TY  - JOUR
AU  - Bruić, Marija
AU  - Pirković, Andrea
AU  - Borozan, Sunčica
AU  - Nacka Aleksić, Mirjana
AU  - Jovanović Krivokuća, Milica
AU  - Spremo-Potparević, Biljana
PY  - 2024
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/3864
AB  - Oxidative stress has been implicated in numerous pregnancy-related disorders. Biologically active plant secondary metabolites, which are present in everyday diet, could prove effective therapeutic agents in preventing
these disorders. This study evaluated effects of taxifolin (dihydroquercetin) on ROS production, markers of
oxidative damage to lipids and proteins, activity of antioxidant enzymes and production of pro-inflammatory
cytokines in H2O2-induced oxidative stress in trophoblast HTR-8/SVneo cells. Taxifolin in 10 µM and 100 µM
concentrations attenuated oxidative damage to lipids and proteins, as evidenced by a decrease in MDA content,
extracellular LDH activity, carbonyl groups and nitrite contents. A reduction in the activity of antioxidant enzymes SOD, CAT and GPx in cells pre-treated with taxifolin, prior to H2O2 exposure, was also observed, along
with a reduction in intracellular ROS production. Both evaluated concentrations of taxifolin showed antiinflammatory activity in trophoblast cells, by reducing production of pro-inflammatory cytokines IL-1β and IL6. In this model of H2O2-induced oxidative stress, taxifolin showed marked antioxidative and antiinflammatory activities in trophoblast cells, adding further evidence of its protective effects and showing potential as a therapeutic agent in preventing adverse pregnancy outcomes.
PB  - Elsevier
T2  - Reproductive Toxicology
T1  - Antioxidative and anti-inflammatory effects of taxifolin in H2O2-induced oxidative stress in HTR-8/SVneo trophoblast cell line
VL  - 126
SP  - 108585
DO  - 10.1016/j.reprotox.2024.108585
ER  - 

@article{
author = "Bruić, Marija and Pirković, Andrea and Borozan, Sunčica and Nacka Aleksić, Mirjana and Jovanović Krivokuća, Milica and Spremo-Potparević, Biljana",
year = "2024",
abstract = "Oxidative stress has been implicated in numerous pregnancy-related disorders. Biologically active plant secondary metabolites, which are present in everyday diet, could prove effective therapeutic agents in preventing
these disorders. This study evaluated effects of taxifolin (dihydroquercetin) on ROS production, markers of
oxidative damage to lipids and proteins, activity of antioxidant enzymes and production of pro-inflammatory
cytokines in H2O2-induced oxidative stress in trophoblast HTR-8/SVneo cells. Taxifolin in 10 µM and 100 µM
concentrations attenuated oxidative damage to lipids and proteins, as evidenced by a decrease in MDA content,
extracellular LDH activity, carbonyl groups and nitrite contents. A reduction in the activity of antioxidant enzymes SOD, CAT and GPx in cells pre-treated with taxifolin, prior to H2O2 exposure, was also observed, along
with a reduction in intracellular ROS production. Both evaluated concentrations of taxifolin showed antiinflammatory activity in trophoblast cells, by reducing production of pro-inflammatory cytokines IL-1β and IL6. In this model of H2O2-induced oxidative stress, taxifolin showed marked antioxidative and antiinflammatory activities in trophoblast cells, adding further evidence of its protective effects and showing potential as a therapeutic agent in preventing adverse pregnancy outcomes.",
publisher = "Elsevier",
journal = "Reproductive Toxicology",
title = "Antioxidative and anti-inflammatory effects of taxifolin in H2O2-induced oxidative stress in HTR-8/SVneo trophoblast cell line",
volume = "126",
pages = "108585",
doi = "10.1016/j.reprotox.2024.108585"
}

Bruić, M., Pirković, A., Borozan, S., Nacka Aleksić, M., Jovanović Krivokuća, M.,& Spremo-Potparević, B.. (2024). Antioxidative and anti-inflammatory effects of taxifolin in H2O2-induced oxidative stress in HTR-8/SVneo trophoblast cell line. in Reproductive Toxicology
Elsevier., 126, 108585.
https://doi.org/10.1016/j.reprotox.2024.108585

Bruić M, Pirković A, Borozan S, Nacka Aleksić M, Jovanović Krivokuća M, Spremo-Potparević B. Antioxidative and anti-inflammatory effects of taxifolin in H2O2-induced oxidative stress in HTR-8/SVneo trophoblast cell line. in Reproductive Toxicology. 2024;126:108585.
doi:10.1016/j.reprotox.2024.108585 .

Bruić, Marija, Pirković, Andrea, Borozan, Sunčica, Nacka Aleksić, Mirjana, Jovanović Krivokuća, Milica, Spremo-Potparević, Biljana, "Antioxidative and anti-inflammatory effects of taxifolin in H2O2-induced oxidative stress in HTR-8/SVneo trophoblast cell line" in Reproductive Toxicology, 126 (2024):108585,
https://doi.org/10.1016/j.reprotox.2024.108585 . .

TY  - JOUR
AU  - Pirković, Andrea
AU  - Vilotić, Aleksandra
AU  - Borozan, Sunčica
AU  - Nacka-Aleksić, Mirjana
AU  - Bojić-Trbojević, Žanka
AU  - Jovanović-Krivokuća, Milica
AU  - Battino, Maurizio
AU  - Giampieri, Francesca
AU  - Dekanski, Dragana
PY  - 2023
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/2539
AB  - Olive-derived bioactive compound oleuropein was evaluated against damage induced by hydrogen peroxide in human trophoblast cells in vitro, by examining the changes in several markers implicated in oxidative stress interactions in the placenta. Trophoblast HTR-8/SVneo cells were preincubated with OLE at 10 and 100 µM and exposed to H2O2, as a model of oxidative stress. Protein and lipid peroxidation, as well as antioxidant enzymes’ activity, were determined spectrophotometrically, and DNA damage was evaluated by comet assay. iNOS protein expression was assessed by Western blot, while the mRNA expression of pro- and anti-apoptotic genes BAX and BCL2 and transcription factor NFE2L2, as well as cytokines IL-6 and TNF α were determined by qPCR. Oleuropein demonstrated cytoprotective effects against H2O2 in trophoblast cells by significantly improving the antioxidant status and preventing protein and lipid damage, as well as reducing the iNOS levels. OLE reduced the mRNA expression of IL-6 and TNF α, however, it did not influence the expression of NFE2L2 or the BAX/BCL2 ratio after H2O2 exposure. Oleuropein per se did not lead to any adverse effects in HTR-8/SVneo cells under the described conditions, confirming its safety in vitro. In conclusion, it significantly attenuated oxidative damage and restored antioxidant functioning, confirming its protective role in trophoblast. © 2023 by the authors.
PB  - MDPI
T2  - Antioxidants
T1  - Oleuropein Attenuates Oxidative Stress in Human Trophoblast Cells
VL  - 12
VL  - 1
SP  - 197
DO  - 10.3390/antiox12010197
ER  - 

@article{
author = "Pirković, Andrea and Vilotić, Aleksandra and Borozan, Sunčica and Nacka-Aleksić, Mirjana and Bojić-Trbojević, Žanka and Jovanović-Krivokuća, Milica and Battino, Maurizio and Giampieri, Francesca and Dekanski, Dragana",
year = "2023",
abstract = "Olive-derived bioactive compound oleuropein was evaluated against damage induced by hydrogen peroxide in human trophoblast cells in vitro, by examining the changes in several markers implicated in oxidative stress interactions in the placenta. Trophoblast HTR-8/SVneo cells were preincubated with OLE at 10 and 100 µM and exposed to H2O2, as a model of oxidative stress. Protein and lipid peroxidation, as well as antioxidant enzymes’ activity, were determined spectrophotometrically, and DNA damage was evaluated by comet assay. iNOS protein expression was assessed by Western blot, while the mRNA expression of pro- and anti-apoptotic genes BAX and BCL2 and transcription factor NFE2L2, as well as cytokines IL-6 and TNF α were determined by qPCR. Oleuropein demonstrated cytoprotective effects against H2O2 in trophoblast cells by significantly improving the antioxidant status and preventing protein and lipid damage, as well as reducing the iNOS levels. OLE reduced the mRNA expression of IL-6 and TNF α, however, it did not influence the expression of NFE2L2 or the BAX/BCL2 ratio after H2O2 exposure. Oleuropein per se did not lead to any adverse effects in HTR-8/SVneo cells under the described conditions, confirming its safety in vitro. In conclusion, it significantly attenuated oxidative damage and restored antioxidant functioning, confirming its protective role in trophoblast. © 2023 by the authors.",
publisher = "MDPI",
journal = "Antioxidants",
title = "Oleuropein Attenuates Oxidative Stress in Human Trophoblast Cells",
volume = "12, 1",
pages = "197",
doi = "10.3390/antiox12010197"
}

Pirković, A., Vilotić, A., Borozan, S., Nacka-Aleksić, M., Bojić-Trbojević, Ž., Jovanović-Krivokuća, M., Battino, M., Giampieri, F.,& Dekanski, D.. (2023). Oleuropein Attenuates Oxidative Stress in Human Trophoblast Cells. in Antioxidants
MDPI., 12, 197.
https://doi.org/10.3390/antiox12010197

Pirković A, Vilotić A, Borozan S, Nacka-Aleksić M, Bojić-Trbojević Ž, Jovanović-Krivokuća M, Battino M, Giampieri F, Dekanski D. Oleuropein Attenuates Oxidative Stress in Human Trophoblast Cells. in Antioxidants. 2023;12:197.
doi:10.3390/antiox12010197 .

Pirković, Andrea, Vilotić, Aleksandra, Borozan, Sunčica, Nacka-Aleksić, Mirjana, Bojić-Trbojević, Žanka, Jovanović-Krivokuća, Milica, Battino, Maurizio, Giampieri, Francesca, Dekanski, Dragana, "Oleuropein Attenuates Oxidative Stress in Human Trophoblast Cells" in Antioxidants, 12 (2023):197,
https://doi.org/10.3390/antiox12010197 . .

TY  - JOUR
AU  - Kostić, Sanja
AU  - Vilotić, Aleksandra
AU  - Pirković, Andrea
AU  - Dekanski, Dragana
AU  - Borozan, Sunčica
AU  - Nacka-Aleksić, Mirjana
AU  - Vrzić-Petronijević, Svetlana
AU  - Jovanović Krivokuća, Milica
PY  - 2022
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/2842
AB  - Caffeic acid is highlighted as one of the major phenolic compounds present in foods with known antioxidant activity. This phenolic is among commonly consumed substances in everyday diet of pregnant women. However, there is not enough information on its effects during pregnancy, especially the most vulnerable early stage. Extravillous trophoblast cells are specific cells of the placenta that come in direct contact with maternal uterine tissue. Through this study we investigated the cytoprotective effects of caffeic acid on H2O2-induced oxidative damage in first trimester extravillous trophoblast cell line HTR-8/SVneo. Investigated concentrations (1–100 μM) of caffeic acid showed neither cytotoxic nor genotoxic effects on HTR-8/SVneo cells. The treatment with caffeic acid 100 μM significantly increased the percentage of cells in G2/M phase of the cell cycle, compared to non-treated cells. Pretreatment with caffeic acid (10 and 100 μM) attenuated oxidative DNA damage significantly, reduced cytotoxicity, protein and lipid peroxidation, and restored antioxidant capacity in trophoblast cells following H2O2 exposure. This beneficial outcome is probably mediated by the augmentation of GSH and effective ROS scavenging by caffeic acid. These promising results require further investigations to reveal the additional mechanisms/pathways and confirmation through studies in vivo.
PB  - Elsevier
T2  - Food and Chemical Toxicology
T1  - Caffeic acid protects human trophoblast HTR-8/SVneo cells from H2O2-induced oxidative stress and genotoxicity
VL  - 163
SP  - 112993
DO  - 10.1016/j.fct.2022.112993
ER  - 

@article{
author = "Kostić, Sanja and Vilotić, Aleksandra and Pirković, Andrea and Dekanski, Dragana and Borozan, Sunčica and Nacka-Aleksić, Mirjana and Vrzić-Petronijević, Svetlana and Jovanović Krivokuća, Milica",
year = "2022",
abstract = "Caffeic acid is highlighted as one of the major phenolic compounds present in foods with known antioxidant activity. This phenolic is among commonly consumed substances in everyday diet of pregnant women. However, there is not enough information on its effects during pregnancy, especially the most vulnerable early stage. Extravillous trophoblast cells are specific cells of the placenta that come in direct contact with maternal uterine tissue. Through this study we investigated the cytoprotective effects of caffeic acid on H2O2-induced oxidative damage in first trimester extravillous trophoblast cell line HTR-8/SVneo. Investigated concentrations (1–100 μM) of caffeic acid showed neither cytotoxic nor genotoxic effects on HTR-8/SVneo cells. The treatment with caffeic acid 100 μM significantly increased the percentage of cells in G2/M phase of the cell cycle, compared to non-treated cells. Pretreatment with caffeic acid (10 and 100 μM) attenuated oxidative DNA damage significantly, reduced cytotoxicity, protein and lipid peroxidation, and restored antioxidant capacity in trophoblast cells following H2O2 exposure. This beneficial outcome is probably mediated by the augmentation of GSH and effective ROS scavenging by caffeic acid. These promising results require further investigations to reveal the additional mechanisms/pathways and confirmation through studies in vivo.",
publisher = "Elsevier",
journal = "Food and Chemical Toxicology",
title = "Caffeic acid protects human trophoblast HTR-8/SVneo cells from H2O2-induced oxidative stress and genotoxicity",
volume = "163",
pages = "112993",
doi = "10.1016/j.fct.2022.112993"
}

Kostić, S., Vilotić, A., Pirković, A., Dekanski, D., Borozan, S., Nacka-Aleksić, M., Vrzić-Petronijević, S.,& Jovanović Krivokuća, M.. (2022). Caffeic acid protects human trophoblast HTR-8/SVneo cells from H2O2-induced oxidative stress and genotoxicity. in Food and Chemical Toxicology
Elsevier., 163, 112993.
https://doi.org/10.1016/j.fct.2022.112993

Kostić S, Vilotić A, Pirković A, Dekanski D, Borozan S, Nacka-Aleksić M, Vrzić-Petronijević S, Jovanović Krivokuća M. Caffeic acid protects human trophoblast HTR-8/SVneo cells from H2O2-induced oxidative stress and genotoxicity. in Food and Chemical Toxicology. 2022;163:112993.
doi:10.1016/j.fct.2022.112993 .

Kostić, Sanja, Vilotić, Aleksandra, Pirković, Andrea, Dekanski, Dragana, Borozan, Sunčica, Nacka-Aleksić, Mirjana, Vrzić-Petronijević, Svetlana, Jovanović Krivokuća, Milica, "Caffeic acid protects human trophoblast HTR-8/SVneo cells from H2O2-induced oxidative stress and genotoxicity" in Food and Chemical Toxicology, 163 (2022):112993,
https://doi.org/10.1016/j.fct.2022.112993 . .

TY  - JOUR
AU  - Topalović, Dijana
AU  - Dekanski, Dragana
AU  - Spremo-Potparević, Biljana
AU  - Pirković, Andrea
AU  - Borozan, Sunčica
AU  - Bajić, Vladan
AU  - Stojanović, Danilo
AU  - Giampieri, Francesca
AU  - Gasparrini, Massimiliano
AU  - Živković, Lada
PY  - 2019
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/1791
AB  - Phenolic groups of steroidal or nonsteroidal estrogens can redox cycle, leading to oxidative stress, where creation of reactive oxygen species are recognized as the main mechanism of their DNA damage properties. Dry olive (Olea europaea L.) leaf extract is known to contain bioactive and antioxidative components and to have an ability to modulate the effects of various oxidants in cells. The main goal of this study was to investigate antigenotoxic potential of a standardized dry olive leaf extract on DNA damage induced by 17 beta-estradiol and diethylstilbestrol in human whole blood cells in vitro, using comet assay. Our results indicated that both hormones showed a genotoxic effect at a concentration of 100 mu M (P < 0.05, n = 6). Dry olive leaf extract was efficient in reducing number of cells with estrogen-induced DNA damage at tested concentrations (0.125, 0.5 and 1 mg/mL) (P < 0.05, n = 6) and under two experimental protocols, pre-treatment and post-treatment, exhibiting antigenotoxic properties. Analysis of antioxidant properties of the extract revealed moderate ABTS radical scavenging properties and reducing power. Overall, our results suggested that the protective potential of dry olive leaf extract could arise from the synergistic effect of its scavenging activity and enhancement of the cells antioxidant capacity.
PB  - Elsevier, Amsterdam
T2  - Mutation Research-Genetic Toxicology and Environmental Mutagenesis
T1  - Dry olive leaf extract attenuates DNA damage induced by estradiol and diethylstilbestrol in human peripheral blood cells in vitro
VL  - 845
SP  - UNSP 402993
DO  - 10.1016/j.mrgentox.2018.12.001
ER  - 

@article{
author = "Topalović, Dijana and Dekanski, Dragana and Spremo-Potparević, Biljana and Pirković, Andrea and Borozan, Sunčica and Bajić, Vladan and Stojanović, Danilo and Giampieri, Francesca and Gasparrini, Massimiliano and Živković, Lada",
year = "2019",
abstract = "Phenolic groups of steroidal or nonsteroidal estrogens can redox cycle, leading to oxidative stress, where creation of reactive oxygen species are recognized as the main mechanism of their DNA damage properties. Dry olive (Olea europaea L.) leaf extract is known to contain bioactive and antioxidative components and to have an ability to modulate the effects of various oxidants in cells. The main goal of this study was to investigate antigenotoxic potential of a standardized dry olive leaf extract on DNA damage induced by 17 beta-estradiol and diethylstilbestrol in human whole blood cells in vitro, using comet assay. Our results indicated that both hormones showed a genotoxic effect at a concentration of 100 mu M (P < 0.05, n = 6). Dry olive leaf extract was efficient in reducing number of cells with estrogen-induced DNA damage at tested concentrations (0.125, 0.5 and 1 mg/mL) (P < 0.05, n = 6) and under two experimental protocols, pre-treatment and post-treatment, exhibiting antigenotoxic properties. Analysis of antioxidant properties of the extract revealed moderate ABTS radical scavenging properties and reducing power. Overall, our results suggested that the protective potential of dry olive leaf extract could arise from the synergistic effect of its scavenging activity and enhancement of the cells antioxidant capacity.",
publisher = "Elsevier, Amsterdam",
journal = "Mutation Research-Genetic Toxicology and Environmental Mutagenesis",
title = "Dry olive leaf extract attenuates DNA damage induced by estradiol and diethylstilbestrol in human peripheral blood cells in vitro",
volume = "845",
pages = "UNSP 402993",
doi = "10.1016/j.mrgentox.2018.12.001"
}

Topalović, D., Dekanski, D., Spremo-Potparević, B., Pirković, A., Borozan, S., Bajić, V., Stojanović, D., Giampieri, F., Gasparrini, M.,& Živković, L.. (2019). Dry olive leaf extract attenuates DNA damage induced by estradiol and diethylstilbestrol in human peripheral blood cells in vitro. in Mutation Research-Genetic Toxicology and Environmental Mutagenesis
Elsevier, Amsterdam., 845, UNSP 402993.
https://doi.org/10.1016/j.mrgentox.2018.12.001

Topalović D, Dekanski D, Spremo-Potparević B, Pirković A, Borozan S, Bajić V, Stojanović D, Giampieri F, Gasparrini M, Živković L. Dry olive leaf extract attenuates DNA damage induced by estradiol and diethylstilbestrol in human peripheral blood cells in vitro. in Mutation Research-Genetic Toxicology and Environmental Mutagenesis. 2019;845:UNSP 402993.
doi:10.1016/j.mrgentox.2018.12.001 .

Topalović, Dijana, Dekanski, Dragana, Spremo-Potparević, Biljana, Pirković, Andrea, Borozan, Sunčica, Bajić, Vladan, Stojanović, Danilo, Giampieri, Francesca, Gasparrini, Massimiliano, Živković, Lada, "Dry olive leaf extract attenuates DNA damage induced by estradiol and diethylstilbestrol in human peripheral blood cells in vitro" in Mutation Research-Genetic Toxicology and Environmental Mutagenesis, 845 (2019):UNSP 402993,
https://doi.org/10.1016/j.mrgentox.2018.12.001 . .

TY  - JOUR
AU  - Živković, Lada
AU  - Borozan, Sunčica
AU  - Čabarkapa, Andrea
AU  - Topalović, Dijana
AU  - Ciptasari, Ummi
AU  - Bajić, Vladan
AU  - Spremo-Potparević, Biljana
PY  - 2017
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/1501
AB  - The ability of Agaricus blazei mushroom in its dried and powdered mycelial form was evaluated for its antigenotoxic properties for the first time. Antigenotoxic effects in human peripheral blood cells against H2O2-induced DNA damage were examined in pretreatment and posttreatment protocol by comet assay. The results showed better antigenotoxic properties of Agaricus blazei on the interventional level, respectively, after treatment. Agaricus blazei in concentration of 250 mu g/mL after treatment was most efficient in regard to its action against DNA damage. The evaluation of repair kinetics showed decrease in H2O2 induced DNA damage 15min after the application of A. blazei, reaching the maximum potency after 30 min. Analysis of antioxidant properties of Agaricus blazei revealed strong center dot OH scavenging properties and moderate reducing power, while its DPPH scavenging ability was weak. In regard to our findings, we can conclude that our preliminary results demonstrated antigenotoxic properties of Agaricus blazei and its strong center dot OH scavenging ability. Mechanisms underlying its properties should be further evaluated in in vivo studies.
PB  - Hindawi Ltd, London
T2  - Oxidative Medicine and Cellular Longevity
T1  - Antigenotoxic Properties of Agaricus blazei against Hydrogen Peroxide in Human Peripheral Blood Cells
VL  - 2017
SP  - 8759764
DO  - 10.1155/2017/8759764
ER  - 

@article{
author = "Živković, Lada and Borozan, Sunčica and Čabarkapa, Andrea and Topalović, Dijana and Ciptasari, Ummi and Bajić, Vladan and Spremo-Potparević, Biljana",
year = "2017",
abstract = "The ability of Agaricus blazei mushroom in its dried and powdered mycelial form was evaluated for its antigenotoxic properties for the first time. Antigenotoxic effects in human peripheral blood cells against H2O2-induced DNA damage were examined in pretreatment and posttreatment protocol by comet assay. The results showed better antigenotoxic properties of Agaricus blazei on the interventional level, respectively, after treatment. Agaricus blazei in concentration of 250 mu g/mL after treatment was most efficient in regard to its action against DNA damage. The evaluation of repair kinetics showed decrease in H2O2 induced DNA damage 15min after the application of A. blazei, reaching the maximum potency after 30 min. Analysis of antioxidant properties of Agaricus blazei revealed strong center dot OH scavenging properties and moderate reducing power, while its DPPH scavenging ability was weak. In regard to our findings, we can conclude that our preliminary results demonstrated antigenotoxic properties of Agaricus blazei and its strong center dot OH scavenging ability. Mechanisms underlying its properties should be further evaluated in in vivo studies.",
publisher = "Hindawi Ltd, London",
journal = "Oxidative Medicine and Cellular Longevity",
title = "Antigenotoxic Properties of Agaricus blazei against Hydrogen Peroxide in Human Peripheral Blood Cells",
volume = "2017",
pages = "8759764",
doi = "10.1155/2017/8759764"
}

Živković, L., Borozan, S., Čabarkapa, A., Topalović, D., Ciptasari, U., Bajić, V.,& Spremo-Potparević, B.. (2017). Antigenotoxic Properties of Agaricus blazei against Hydrogen Peroxide in Human Peripheral Blood Cells. in Oxidative Medicine and Cellular Longevity
Hindawi Ltd, London., 2017, 8759764.
https://doi.org/10.1155/2017/8759764

Živković L, Borozan S, Čabarkapa A, Topalović D, Ciptasari U, Bajić V, Spremo-Potparević B. Antigenotoxic Properties of Agaricus blazei against Hydrogen Peroxide in Human Peripheral Blood Cells. in Oxidative Medicine and Cellular Longevity. 2017;2017:8759764.
doi:10.1155/2017/8759764 .

Živković, Lada, Borozan, Sunčica, Čabarkapa, Andrea, Topalović, Dijana, Ciptasari, Ummi, Bajić, Vladan, Spremo-Potparević, Biljana, "Antigenotoxic Properties of Agaricus blazei against Hydrogen Peroxide in Human Peripheral Blood Cells" in Oxidative Medicine and Cellular Longevity, 2017 (2017):8759764,
https://doi.org/10.1155/2017/8759764 . .

TY  - JOUR
AU  - Vasiljević, Jovana
AU  - Živković, Lada
AU  - Čabarkapa, Andrea
AU  - Bajić, Vladan
AU  - Đelić, Ninoslav
AU  - Spremo-Potparević, Biljana
PY  - 2016
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/1429
AB  - Context • Cordyceps sinensis (C sinensis) is a well-known, traditional, Chinese medicinal mushroom, valued for its beneficial properties for human health. C sinensis has been reported to have immunomodulatory, anticancer, antiaging, antioxidant and anti-inflammatory activity. Despite potential medicinal benefits, no previously published reports are available about the genotoxicity or antigenotoxicity of C sinensis, as detected by comet assay. Objective • The objective of the study was to evaluate both the genotoxic and antigenotoxic potential of an extract of C sinensis (CS extract) in human peripheral blood cells. Design • The research team designed a pilot study. Setting •The study was conducted at the Center for Biological Research, University of Belgrade, in Belgrade, Serbia. Participants • Participants were 6 healthy individuals (2 males and 4 females), between the ages of 20 and 45 y, recruited on a voluntary basis, who provided heparinized, peripheral blood samples. Intervention • Four concentrations of the CS extract— 125 μg/mL, 250 μg/mL, 500 μg/mL, and 1000 μg/mL—were used in the treatment of tested blood cells from the blood samples. Three independent procedures were performed: (1) a genotoxicity assessment, (2) an antigenotoxicity assessment for pretreatment of human cells with the CS extract prior to their exposure to hydrogen peroxide (H2O2) (ie, an evaluation of the benefits of the CS extract as a preventive agent); and (3) posttreatment of human cells with the CS extract after their exposure to H2O2 (ie, an evaluation of the benefits of the CS extract as an interventional agent). Outcome Measures • Cells were graded by eye inspection into 5 classes, depending on the extent of DNA damage, representing: (1) class A—undamaged cells with no tail (<5% damaged DNA); (2) class B—low-level damage (5%-20%); (3) class C—medium-level damage (20%-40%); (4) class D—high-level damage (40%-95%), and (5) class E—total destruction (>95%). Results • The CS extract proved to be nongenotoxic because no induced DNA damage was detected at all tested concentrations. For the antigenotoxicity assessment of the pretreatment with the CS extract, only the 1000-μg/mL concentration showed a significant decrease in the number of cells exhibiting H2O2-induced DNA damage. For the posttreatment, the CS extract exhibited antigenotoxic potential by attenuating H2O2-induced DNA damage at all concentrations tested. The evaluation of repair kinetics showed a decrease in DNA-damaged cells 15 min after the application of the CS extract, reaching a maximum potency after 45 min. Conclusions • The results indicated that C sinensis can be used as a postapplicative agent that counteracts the effect of oxidative stress. The resulting reduction in DNA damage might be related to its scavenging properties and stimulation of DNA repair.
PB  - Innovision Communications, Aliso Viejo
T2  - Alternative Therapies in Health and Medicine
T1  - Cordyceps sinensis: Genotoxic potential in human peripheral blood cells and antigenotoxic properties against hydrogen peroxide by comet assay
VL  - 22
SP  - 24
EP  - 31
UR  - https://hdl.handle.net/21.15107/rcub_veterinar_1429
ER  - 

@article{
author = "Vasiljević, Jovana and Živković, Lada and Čabarkapa, Andrea and Bajić, Vladan and Đelić, Ninoslav and Spremo-Potparević, Biljana",
year = "2016",
abstract = "Context • Cordyceps sinensis (C sinensis) is a well-known, traditional, Chinese medicinal mushroom, valued for its beneficial properties for human health. C sinensis has been reported to have immunomodulatory, anticancer, antiaging, antioxidant and anti-inflammatory activity. Despite potential medicinal benefits, no previously published reports are available about the genotoxicity or antigenotoxicity of C sinensis, as detected by comet assay. Objective • The objective of the study was to evaluate both the genotoxic and antigenotoxic potential of an extract of C sinensis (CS extract) in human peripheral blood cells. Design • The research team designed a pilot study. Setting •The study was conducted at the Center for Biological Research, University of Belgrade, in Belgrade, Serbia. Participants • Participants were 6 healthy individuals (2 males and 4 females), between the ages of 20 and 45 y, recruited on a voluntary basis, who provided heparinized, peripheral blood samples. Intervention • Four concentrations of the CS extract— 125 μg/mL, 250 μg/mL, 500 μg/mL, and 1000 μg/mL—were used in the treatment of tested blood cells from the blood samples. Three independent procedures were performed: (1) a genotoxicity assessment, (2) an antigenotoxicity assessment for pretreatment of human cells with the CS extract prior to their exposure to hydrogen peroxide (H2O2) (ie, an evaluation of the benefits of the CS extract as a preventive agent); and (3) posttreatment of human cells with the CS extract after their exposure to H2O2 (ie, an evaluation of the benefits of the CS extract as an interventional agent). Outcome Measures • Cells were graded by eye inspection into 5 classes, depending on the extent of DNA damage, representing: (1) class A—undamaged cells with no tail (<5% damaged DNA); (2) class B—low-level damage (5%-20%); (3) class C—medium-level damage (20%-40%); (4) class D—high-level damage (40%-95%), and (5) class E—total destruction (>95%). Results • The CS extract proved to be nongenotoxic because no induced DNA damage was detected at all tested concentrations. For the antigenotoxicity assessment of the pretreatment with the CS extract, only the 1000-μg/mL concentration showed a significant decrease in the number of cells exhibiting H2O2-induced DNA damage. For the posttreatment, the CS extract exhibited antigenotoxic potential by attenuating H2O2-induced DNA damage at all concentrations tested. The evaluation of repair kinetics showed a decrease in DNA-damaged cells 15 min after the application of the CS extract, reaching a maximum potency after 45 min. Conclusions • The results indicated that C sinensis can be used as a postapplicative agent that counteracts the effect of oxidative stress. The resulting reduction in DNA damage might be related to its scavenging properties and stimulation of DNA repair.",
publisher = "Innovision Communications, Aliso Viejo",
journal = "Alternative Therapies in Health and Medicine",
title = "Cordyceps sinensis: Genotoxic potential in human peripheral blood cells and antigenotoxic properties against hydrogen peroxide by comet assay",
volume = "22",
pages = "24-31",
url = "https://hdl.handle.net/21.15107/rcub_veterinar_1429"
}

Vasiljević, J., Živković, L., Čabarkapa, A., Bajić, V., Đelić, N.,& Spremo-Potparević, B.. (2016). Cordyceps sinensis: Genotoxic potential in human peripheral blood cells and antigenotoxic properties against hydrogen peroxide by comet assay. in Alternative Therapies in Health and Medicine
Innovision Communications, Aliso Viejo., 22, 24-31.
https://hdl.handle.net/21.15107/rcub_veterinar_1429

Vasiljević J, Živković L, Čabarkapa A, Bajić V, Đelić N, Spremo-Potparević B. Cordyceps sinensis: Genotoxic potential in human peripheral blood cells and antigenotoxic properties against hydrogen peroxide by comet assay. in Alternative Therapies in Health and Medicine. 2016;22:24-31.
https://hdl.handle.net/21.15107/rcub_veterinar_1429 .

Vasiljević, Jovana, Živković, Lada, Čabarkapa, Andrea, Bajić, Vladan, Đelić, Ninoslav, Spremo-Potparević, Biljana, "Cordyceps sinensis: Genotoxic potential in human peripheral blood cells and antigenotoxic properties against hydrogen peroxide by comet assay" in Alternative Therapies in Health and Medicine, 22 (2016):24-31,
https://hdl.handle.net/21.15107/rcub_veterinar_1429 .

TY  - JOUR
AU  - Čabarkapa, Andrea
AU  - Živković, Lada
AU  - Borozan, Sunčica
AU  - Zlatkovic-Svenda, Mirjana
AU  - Dekanski, Dragana
AU  - Jancić, Ivan
AU  - Radak-Perović, Marija
AU  - Bajić, Vladan
AU  - Spremo-Potparević, Biljana
PY  - 2016
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/1418
AB  - The effects of co-administration of dry olive leaf extract (DOLE) with standard methotrexate (MTX) therapy on the parameters of cell damage and inflammation in patients with early and long-term rheumatoid arthritis (RA) were evaluated at baseline, 3 and 6weeks. Patients were assigned to groups: the early phase RA group on MTX monotherapy (E MTX), and the two RA groups that received co-treatment with DOLE and MTX: early (E MTX+DOLE) and long-term phase patients (L-t MTX+ DOLE). Baseline values indicated increased parameters of cell damage and disruption of redox balance in all groups. After three weeks the E MTX+DOLE group maintained high catalase activity, exhibited decrease of lipid peroxidation and protein damage indicatorsthiols and nitrites, while levels of DNA damage and pro-inflammatory interleukin-6 were significantly reduced. In E MTX group catalase activity remained unaltered while significant lipid peroxidation and DNA damage reductions were seen only after six weeks. L-t MTX+DOLE group showed only modest alterations of cell damage parameters during six weeks. Combined administration of DOLE with MTX contributes to faster reduction of cell damage, restores oxidative balance and improves interleukin-6 suppression during high disease activity in early phase RA, but not in long term patients. Copyright
PB  - Wiley-Blackwell, Hoboken
T2  - Phytotherapy Research
T1  - Dry Olive Leaf Extract in Combination with Methotrexate Reduces Cell Damage in Early Rheumatoid Arthritis PatientsA Pilot Study
VL  - 30
IS  - 10
SP  - 1615
EP  - 1623
DO  - 10.1002/ptr.5662
ER  - 

@article{
author = "Čabarkapa, Andrea and Živković, Lada and Borozan, Sunčica and Zlatkovic-Svenda, Mirjana and Dekanski, Dragana and Jancić, Ivan and Radak-Perović, Marija and Bajić, Vladan and Spremo-Potparević, Biljana",
year = "2016",
abstract = "The effects of co-administration of dry olive leaf extract (DOLE) with standard methotrexate (MTX) therapy on the parameters of cell damage and inflammation in patients with early and long-term rheumatoid arthritis (RA) were evaluated at baseline, 3 and 6weeks. Patients were assigned to groups: the early phase RA group on MTX monotherapy (E MTX), and the two RA groups that received co-treatment with DOLE and MTX: early (E MTX+DOLE) and long-term phase patients (L-t MTX+ DOLE). Baseline values indicated increased parameters of cell damage and disruption of redox balance in all groups. After three weeks the E MTX+DOLE group maintained high catalase activity, exhibited decrease of lipid peroxidation and protein damage indicatorsthiols and nitrites, while levels of DNA damage and pro-inflammatory interleukin-6 were significantly reduced. In E MTX group catalase activity remained unaltered while significant lipid peroxidation and DNA damage reductions were seen only after six weeks. L-t MTX+DOLE group showed only modest alterations of cell damage parameters during six weeks. Combined administration of DOLE with MTX contributes to faster reduction of cell damage, restores oxidative balance and improves interleukin-6 suppression during high disease activity in early phase RA, but not in long term patients. Copyright",
publisher = "Wiley-Blackwell, Hoboken",
journal = "Phytotherapy Research",
title = "Dry Olive Leaf Extract in Combination with Methotrexate Reduces Cell Damage in Early Rheumatoid Arthritis PatientsA Pilot Study",
volume = "30",
number = "10",
pages = "1615-1623",
doi = "10.1002/ptr.5662"
}

Čabarkapa, A., Živković, L., Borozan, S., Zlatkovic-Svenda, M., Dekanski, D., Jancić, I., Radak-Perović, M., Bajić, V.,& Spremo-Potparević, B.. (2016). Dry Olive Leaf Extract in Combination with Methotrexate Reduces Cell Damage in Early Rheumatoid Arthritis PatientsA Pilot Study. in Phytotherapy Research
Wiley-Blackwell, Hoboken., 30(10), 1615-1623.
https://doi.org/10.1002/ptr.5662

Čabarkapa A, Živković L, Borozan S, Zlatkovic-Svenda M, Dekanski D, Jancić I, Radak-Perović M, Bajić V, Spremo-Potparević B. Dry Olive Leaf Extract in Combination with Methotrexate Reduces Cell Damage in Early Rheumatoid Arthritis PatientsA Pilot Study. in Phytotherapy Research. 2016;30(10):1615-1623.
doi:10.1002/ptr.5662 .

Čabarkapa, Andrea, Živković, Lada, Borozan, Sunčica, Zlatkovic-Svenda, Mirjana, Dekanski, Dragana, Jancić, Ivan, Radak-Perović, Marija, Bajić, Vladan, Spremo-Potparević, Biljana, "Dry Olive Leaf Extract in Combination with Methotrexate Reduces Cell Damage in Early Rheumatoid Arthritis PatientsA Pilot Study" in Phytotherapy Research, 30, no. 10 (2016):1615-1623,
https://doi.org/10.1002/ptr.5662 . .

TY  - JOUR
AU  - Žukovec-Topalović, Dijana
AU  - Živković, Lada
AU  - Čabarkapa, Andrea
AU  - Đelić, Ninoslav
AU  - Bajić, Vladan
AU  - Dekanski, Dragana
AU  - Spremo-Potparević, Biljana
PY  - 2015
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/1177
AB  - The thyroid hormones change the rate of basal metabolism, modulating the consumption of oxygen and causing production of reactive oxygen species, which leads to the development of oxidative stress and DNA strand breaks. Olive (Olea europaea L.) leaf contains many potentially bioactive compounds, making it one of the most potent natural antioxidants. The objective of this study was to evaluate the genotoxicity of L-thyroxine and to investigate antioxidative and antigenotoxic potential of the standardized oleuropein-rich dry olive leaf extract (DOLE) against hydrogen peroxide and L-thyroxine-induced DNA damage in human peripheral blood leukocytes by using the comet assay. Various concentrations of the extract were tested with both DNA damage inducers, under two different experimental conditions, pretreatment and posttreatment. Results indicate that L-thyroxine exhibited genotoxic effect and that DOLE displayed protective effect against thyroxine-induced genotoxicity. The number of cells with DNA damage, was significantly reduced, in both pretreated and posttreated samples (P < 0.05). Comparing the beneficial effect of all tested concentrations of DOLE, in both experimental protocols, it appears that extract was more effective in reducing DNA damage in the pretreatment, exhibiting protective role against L-thyroxine effect. This feature of DOLE can be explained by its capacity to act as potent free radical scavenger.
PB  - Hindawi Ltd, London
T2  - Oxidative Medicine and Cellular Longevity
T1  - Dry Olive Leaf Extract Counteracts L-Thyroxine-Induced Genotoxicity in Human Peripheral Blood Leukocytes In Vitro
VL  - 2015
SP  - 762192
DO  - 10.1155/2015/762192
ER  - 

@article{
author = "Žukovec-Topalović, Dijana and Živković, Lada and Čabarkapa, Andrea and Đelić, Ninoslav and Bajić, Vladan and Dekanski, Dragana and Spremo-Potparević, Biljana",
year = "2015",
abstract = "The thyroid hormones change the rate of basal metabolism, modulating the consumption of oxygen and causing production of reactive oxygen species, which leads to the development of oxidative stress and DNA strand breaks. Olive (Olea europaea L.) leaf contains many potentially bioactive compounds, making it one of the most potent natural antioxidants. The objective of this study was to evaluate the genotoxicity of L-thyroxine and to investigate antioxidative and antigenotoxic potential of the standardized oleuropein-rich dry olive leaf extract (DOLE) against hydrogen peroxide and L-thyroxine-induced DNA damage in human peripheral blood leukocytes by using the comet assay. Various concentrations of the extract were tested with both DNA damage inducers, under two different experimental conditions, pretreatment and posttreatment. Results indicate that L-thyroxine exhibited genotoxic effect and that DOLE displayed protective effect against thyroxine-induced genotoxicity. The number of cells with DNA damage, was significantly reduced, in both pretreated and posttreated samples (P < 0.05). Comparing the beneficial effect of all tested concentrations of DOLE, in both experimental protocols, it appears that extract was more effective in reducing DNA damage in the pretreatment, exhibiting protective role against L-thyroxine effect. This feature of DOLE can be explained by its capacity to act as potent free radical scavenger.",
publisher = "Hindawi Ltd, London",
journal = "Oxidative Medicine and Cellular Longevity",
title = "Dry Olive Leaf Extract Counteracts L-Thyroxine-Induced Genotoxicity in Human Peripheral Blood Leukocytes In Vitro",
volume = "2015",
pages = "762192",
doi = "10.1155/2015/762192"
}

Žukovec-Topalović, D., Živković, L., Čabarkapa, A., Đelić, N., Bajić, V., Dekanski, D.,& Spremo-Potparević, B.. (2015). Dry Olive Leaf Extract Counteracts L-Thyroxine-Induced Genotoxicity in Human Peripheral Blood Leukocytes In Vitro. in Oxidative Medicine and Cellular Longevity
Hindawi Ltd, London., 2015, 762192.
https://doi.org/10.1155/2015/762192

Žukovec-Topalović D, Živković L, Čabarkapa A, Đelić N, Bajić V, Dekanski D, Spremo-Potparević B. Dry Olive Leaf Extract Counteracts L-Thyroxine-Induced Genotoxicity in Human Peripheral Blood Leukocytes In Vitro. in Oxidative Medicine and Cellular Longevity. 2015;2015:762192.
doi:10.1155/2015/762192 .

Žukovec-Topalović, Dijana, Živković, Lada, Čabarkapa, Andrea, Đelić, Ninoslav, Bajić, Vladan, Dekanski, Dragana, Spremo-Potparević, Biljana, "Dry Olive Leaf Extract Counteracts L-Thyroxine-Induced Genotoxicity in Human Peripheral Blood Leukocytes In Vitro" in Oxidative Medicine and Cellular Longevity, 2015 (2015):762192,
https://doi.org/10.1155/2015/762192 . .

TY  - JOUR
AU  - Topalović, Dijana
AU  - Živković, Lada
AU  - Đelić, Ninoslav
AU  - Bajić, Vladan
AU  - Čabarkapa, Andrea
AU  - Jović, Slavoljub
AU  - Spremo-Potparević, Biljana
PY  - 2015
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/1212
AB  - Hormones are cellular products involved in the regulation of a large number of processes in living systems, and which by their actions affect the growth, function and metabo­lism of cells. Considering that hormones are compounds normally present in the organism, it is important to determine if they can, under certain circumstances, lead to genetic changes in the hereditary material. Numerous experimental studies in vitro and in vivo in different systems, from bacteria to mammals, dealt with the mutagenic and genotoxic effects of hormones. This work presents an overview of the research on genotoxic effects of non­steroidal hormones, although possible changes of genetic material under their influence have not still been known enough, and moreover, investigations on their genotoxic influ­ence have given conflicting results. The study results show that mechanisms of genotoxic effect of nonsteroidal hormones are manifested through the increase of oxidative stress by arising reactive oxygen species. A common mechanism of ROS occurence in thyroid hormones and catecholamines is through metabolic oxidation of their phenolic groups. Mani­festation of insulin genotoxic effect is based on production of ROS by activation of NADPH isophorms, while testing oxytocin showed absence of genotoxic effect. Considering that the investigations on genotoxicity of nonsteroidal hormones demonstrated both positive and negative results, the explanation of this discordance involve limitations of test systems themselves, different cell types or biological species used in the experiments, different lev­el of reactivity in vitro and in vivo, as well as possible variations in a tissue-specific expres­sion. Integrated, the provided data contribute to better understanding of genotoxic effect of nonsteroidal hormones and point out to the role and mode of action of these hormones in the process of occurring of effects caused by oxidative stress.
AB  - Hormoni su ćelijski proizvodi uključeni u regulaciju velikog broja procesa u živim sistemima koji svojim dejstvom utiču na rast, funkciju ili metabolizam ćelija. Obzirom da su hormoni jedinjenja koja su uobičajeno prisutna u organizmu, značajno je utvrditi da li oni mogu pod izvesnim okolnostima dovesti do genetičkih promena na naslednom materijalu. Eksperimentalna ispitivanja u in vitro i in vivo uslovima u različitim sistemima, od bakterija do sisara, bavila su se istraživanjem mutagenih i genotoksičnih efekata hormona. U ovom radu je dat pregled istraživanja genotoksičnih efekata nesteroidnih hormona, pošto još uvek nisu dovoljno poznate moguće promene naslednog materijala pod njihovim uticajem, a i ispitivanja njihovog genotoksičnog dejstva su dala oprečne rezultate. Rezultati studija pokazuju da se mehanizmi genotoksičnog dejstva nesteroidnih hormona ispoljavaju kroz povećanje oksidativnog stresa nastankom reaktivnih vrsta kiseonika (reactive oxygen species - ROS). Uobičajeni mehanizam nastanka ROS kod tireoidnih hormona i kateholamina je putem metaboličke oksidacije njihovih fenolnih grupa. Ispoljavanje genotoksičnog efekta insulina se zasniva na produkciji ROS putem aktivacije NADPH izoformi, dok je ispitivanje oksitocina pokazalo odsustvo genotoksičnog efekta. Uzimajući u obzir da su ispitivanja genotoksičnosti nesteroidnih hormona pokazala i pozitivne i negativne rezultate, objašnjenja ovog neslaganja obuhvataju ograničenja samih test sistema, različite tipove ćelije ili bioloških vrsta upotrebljenih u eksperimentima, različiti nivo reaktivnosti u in vitro i in vivo uslovima, kao i moguće razlike u tkivno specifičnoj ekspresiji. Objedinjeni, navedeni podaci doprinose boljem razumevanju genotoksičnih efekata nesteroidnih hormona i ukazuju na ulogu i načine delovanja ovih hormona u procesu nastanka efekata izazvanih oksidativnim stresom.
PB  - Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd
T2  - Veterinarski Glasnik
T1  - Genotoxic potential of nonsteroidal hormones
T1  - Genotoksični potencijal nesteroidnih hormona
VL  - 69
IS  - 3-4
SP  - 245
EP  - 257
DO  - 10.2298/VETGL1504245T
ER  - 

@article{
author = "Topalović, Dijana and Živković, Lada and Đelić, Ninoslav and Bajić, Vladan and Čabarkapa, Andrea and Jović, Slavoljub and Spremo-Potparević, Biljana",
year = "2015",
abstract = "Hormones are cellular products involved in the regulation of a large number of processes in living systems, and which by their actions affect the growth, function and metabo­lism of cells. Considering that hormones are compounds normally present in the organism, it is important to determine if they can, under certain circumstances, lead to genetic changes in the hereditary material. Numerous experimental studies in vitro and in vivo in different systems, from bacteria to mammals, dealt with the mutagenic and genotoxic effects of hormones. This work presents an overview of the research on genotoxic effects of non­steroidal hormones, although possible changes of genetic material under their influence have not still been known enough, and moreover, investigations on their genotoxic influ­ence have given conflicting results. The study results show that mechanisms of genotoxic effect of nonsteroidal hormones are manifested through the increase of oxidative stress by arising reactive oxygen species. A common mechanism of ROS occurence in thyroid hormones and catecholamines is through metabolic oxidation of their phenolic groups. Mani­festation of insulin genotoxic effect is based on production of ROS by activation of NADPH isophorms, while testing oxytocin showed absence of genotoxic effect. Considering that the investigations on genotoxicity of nonsteroidal hormones demonstrated both positive and negative results, the explanation of this discordance involve limitations of test systems themselves, different cell types or biological species used in the experiments, different lev­el of reactivity in vitro and in vivo, as well as possible variations in a tissue-specific expres­sion. Integrated, the provided data contribute to better understanding of genotoxic effect of nonsteroidal hormones and point out to the role and mode of action of these hormones in the process of occurring of effects caused by oxidative stress., Hormoni su ćelijski proizvodi uključeni u regulaciju velikog broja procesa u živim sistemima koji svojim dejstvom utiču na rast, funkciju ili metabolizam ćelija. Obzirom da su hormoni jedinjenja koja su uobičajeno prisutna u organizmu, značajno je utvrditi da li oni mogu pod izvesnim okolnostima dovesti do genetičkih promena na naslednom materijalu. Eksperimentalna ispitivanja u in vitro i in vivo uslovima u različitim sistemima, od bakterija do sisara, bavila su se istraživanjem mutagenih i genotoksičnih efekata hormona. U ovom radu je dat pregled istraživanja genotoksičnih efekata nesteroidnih hormona, pošto još uvek nisu dovoljno poznate moguće promene naslednog materijala pod njihovim uticajem, a i ispitivanja njihovog genotoksičnog dejstva su dala oprečne rezultate. Rezultati studija pokazuju da se mehanizmi genotoksičnog dejstva nesteroidnih hormona ispoljavaju kroz povećanje oksidativnog stresa nastankom reaktivnih vrsta kiseonika (reactive oxygen species - ROS). Uobičajeni mehanizam nastanka ROS kod tireoidnih hormona i kateholamina je putem metaboličke oksidacije njihovih fenolnih grupa. Ispoljavanje genotoksičnog efekta insulina se zasniva na produkciji ROS putem aktivacije NADPH izoformi, dok je ispitivanje oksitocina pokazalo odsustvo genotoksičnog efekta. Uzimajući u obzir da su ispitivanja genotoksičnosti nesteroidnih hormona pokazala i pozitivne i negativne rezultate, objašnjenja ovog neslaganja obuhvataju ograničenja samih test sistema, različite tipove ćelije ili bioloških vrsta upotrebljenih u eksperimentima, različiti nivo reaktivnosti u in vitro i in vivo uslovima, kao i moguće razlike u tkivno specifičnoj ekspresiji. Objedinjeni, navedeni podaci doprinose boljem razumevanju genotoksičnih efekata nesteroidnih hormona i ukazuju na ulogu i načine delovanja ovih hormona u procesu nastanka efekata izazvanih oksidativnim stresom.",
publisher = "Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd",
journal = "Veterinarski Glasnik",
title = "Genotoxic potential of nonsteroidal hormones, Genotoksični potencijal nesteroidnih hormona",
volume = "69",
number = "3-4",
pages = "245-257",
doi = "10.2298/VETGL1504245T"
}

Topalović, D., Živković, L., Đelić, N., Bajić, V., Čabarkapa, A., Jović, S.,& Spremo-Potparević, B.. (2015). Genotoxic potential of nonsteroidal hormones. in Veterinarski Glasnik
Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd., 69(3-4), 245-257.
https://doi.org/10.2298/VETGL1504245T

Topalović D, Živković L, Đelić N, Bajić V, Čabarkapa A, Jović S, Spremo-Potparević B. Genotoxic potential of nonsteroidal hormones. in Veterinarski Glasnik. 2015;69(3-4):245-257.
doi:10.2298/VETGL1504245T .

Topalović, Dijana, Živković, Lada, Đelić, Ninoslav, Bajić, Vladan, Čabarkapa, Andrea, Jović, Slavoljub, Spremo-Potparević, Biljana, "Genotoxic potential of nonsteroidal hormones" in Veterinarski Glasnik, 69, no. 3-4 (2015):245-257,
https://doi.org/10.2298/VETGL1504245T . .

TY  - JOUR
AU  - Čabarkapa, Andrea
AU  - Borozan, Sunčica
AU  - Živković, Lada
AU  - Milanović-Čabarkapa, Mirjana
AU  - Stojanović, Srđan
AU  - Bajić, Vladan
AU  - Spremo-Potparević, Biljana
PY  - 2015
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/1827
AB  - The aim of this study was to determine oxidative alterations leading to cellular dysfunctions in Pb-exposed subjects by evaluating damage to all major classes of biomolecules in the cell, lipid peroxidation, protein and DNA damage and determine relationships between parameters of Pb toxicity and specific biomarkers of oxidative damage.Analysis was conducted of smelter workers with high blood Pb and urine aminolevulinic acid levels and slightly elevated values of coproporphyrin and erythrocyte protoporphyrin IX. Significant decreases of thiol groups and increases in carbonyl groups as protein degradation end products, and of nitrite were detected. Elevated rates of lipid peroxidation and rises in the activities of the antioxidant enzymes Cu-Zn superoxide dismutase and catalase were also observed. Both enzymes showed positive correlations with the blood lead levels and urine coproporphyrin, while thiol groups correlated negatively with the same indices. The genotoxic potential of lead was manifested through an increased number of DNA-damaged cells. Increased activities of serum lactate dehydrogenase isoenzymes indicated cellular damage in the lungs, kidneys, and liver. These lead-induced impairments should be taken into consideration in the assessment of Pb-related health hazards.
PB  - Taylor & Francis Ltd, Abingdon
T2  - Toxicology
T1  - Implications of oxidative stress in occupational exposure to lead on a cellular level
VL  - 97
IS  - 6
SP  - 799
EP  - 813
DO  - 10.1080/02772248.2015.1060973
ER  - 

@article{
author = "Čabarkapa, Andrea and Borozan, Sunčica and Živković, Lada and Milanović-Čabarkapa, Mirjana and Stojanović, Srđan and Bajić, Vladan and Spremo-Potparević, Biljana",
year = "2015",
abstract = "The aim of this study was to determine oxidative alterations leading to cellular dysfunctions in Pb-exposed subjects by evaluating damage to all major classes of biomolecules in the cell, lipid peroxidation, protein and DNA damage and determine relationships between parameters of Pb toxicity and specific biomarkers of oxidative damage.Analysis was conducted of smelter workers with high blood Pb and urine aminolevulinic acid levels and slightly elevated values of coproporphyrin and erythrocyte protoporphyrin IX. Significant decreases of thiol groups and increases in carbonyl groups as protein degradation end products, and of nitrite were detected. Elevated rates of lipid peroxidation and rises in the activities of the antioxidant enzymes Cu-Zn superoxide dismutase and catalase were also observed. Both enzymes showed positive correlations with the blood lead levels and urine coproporphyrin, while thiol groups correlated negatively with the same indices. The genotoxic potential of lead was manifested through an increased number of DNA-damaged cells. Increased activities of serum lactate dehydrogenase isoenzymes indicated cellular damage in the lungs, kidneys, and liver. These lead-induced impairments should be taken into consideration in the assessment of Pb-related health hazards.",
publisher = "Taylor & Francis Ltd, Abingdon",
journal = "Toxicology",
title = "Implications of oxidative stress in occupational exposure to lead on a cellular level",
volume = "97",
number = "6",
pages = "799-813",
doi = "10.1080/02772248.2015.1060973"
}

Čabarkapa, A., Borozan, S., Živković, L., Milanović-Čabarkapa, M., Stojanović, S., Bajić, V.,& Spremo-Potparević, B.. (2015). Implications of oxidative stress in occupational exposure to lead on a cellular level. in Toxicology
Taylor & Francis Ltd, Abingdon., 97(6), 799-813.
https://doi.org/10.1080/02772248.2015.1060973

Čabarkapa A, Borozan S, Živković L, Milanović-Čabarkapa M, Stojanović S, Bajić V, Spremo-Potparević B. Implications of oxidative stress in occupational exposure to lead on a cellular level. in Toxicology. 2015;97(6):799-813.
doi:10.1080/02772248.2015.1060973 .

Čabarkapa, Andrea, Borozan, Sunčica, Živković, Lada, Milanović-Čabarkapa, Mirjana, Stojanović, Srđan, Bajić, Vladan, Spremo-Potparević, Biljana, "Implications of oxidative stress in occupational exposure to lead on a cellular level" in Toxicology, 97, no. 6 (2015):799-813,
https://doi.org/10.1080/02772248.2015.1060973 . .

TY  - JOUR
AU  - Čabarkapa, Andrea
AU  - Borozan, Sunčica
AU  - Živković, Lada
AU  - Milanović-Čabarkapa, Mirjana
AU  - Stojanović, Srđan
AU  - Bajić, Vladan
AU  - Spremo-Potparević, Biljana
PY  - 2015
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/1249
AB  - The aim of this study was to determine oxidative alterations leading to cellular dysfunctions in Pb-exposed subjects by evaluating damage to all major classes of biomolecules in the cell, lipid peroxidation, protein and DNA damage and determine relationships between parameters of Pb toxicity and specific biomarkers of oxidative damage.Analysis was conducted of smelter workers with high blood Pb and urine aminolevulinic acid levels and slightly elevated values of coproporphyrin and erythrocyte protoporphyrin IX. Significant decreases of thiol groups and increases in carbonyl groups as protein degradation end products, and of nitrite were detected. Elevated rates of lipid peroxidation and rises in the activities of the antioxidant enzymes Cu-Zn superoxide dismutase and catalase were also observed. Both enzymes showed positive correlations with the blood lead levels and urine coproporphyrin, while thiol groups correlated negatively with the same indices. The genotoxic potential of lead was manifested through an increased number of DNA-damaged cells. Increased activities of serum lactate dehydrogenase isoenzymes indicated cellular damage in the lungs, kidneys, and liver. These lead-induced impairments should be taken into consideration in the assessment of Pb-related health hazards.
PB  - Taylor & Francis Ltd, Abingdon
T2  - Toxicological and Environmental Chemistry
T1  - Implications of oxidative stress in occupational exposure to lead on a cellular level
VL  - 97
IS  - 6
SP  - 799
EP  - 813
DO  - 10.1080/02772248.2015.1060973
ER  - 

@article{
author = "Čabarkapa, Andrea and Borozan, Sunčica and Živković, Lada and Milanović-Čabarkapa, Mirjana and Stojanović, Srđan and Bajić, Vladan and Spremo-Potparević, Biljana",
year = "2015",
abstract = "The aim of this study was to determine oxidative alterations leading to cellular dysfunctions in Pb-exposed subjects by evaluating damage to all major classes of biomolecules in the cell, lipid peroxidation, protein and DNA damage and determine relationships between parameters of Pb toxicity and specific biomarkers of oxidative damage.Analysis was conducted of smelter workers with high blood Pb and urine aminolevulinic acid levels and slightly elevated values of coproporphyrin and erythrocyte protoporphyrin IX. Significant decreases of thiol groups and increases in carbonyl groups as protein degradation end products, and of nitrite were detected. Elevated rates of lipid peroxidation and rises in the activities of the antioxidant enzymes Cu-Zn superoxide dismutase and catalase were also observed. Both enzymes showed positive correlations with the blood lead levels and urine coproporphyrin, while thiol groups correlated negatively with the same indices. The genotoxic potential of lead was manifested through an increased number of DNA-damaged cells. Increased activities of serum lactate dehydrogenase isoenzymes indicated cellular damage in the lungs, kidneys, and liver. These lead-induced impairments should be taken into consideration in the assessment of Pb-related health hazards.",
publisher = "Taylor & Francis Ltd, Abingdon",
journal = "Toxicological and Environmental Chemistry",
title = "Implications of oxidative stress in occupational exposure to lead on a cellular level",
volume = "97",
number = "6",
pages = "799-813",
doi = "10.1080/02772248.2015.1060973"
}

Čabarkapa, A., Borozan, S., Živković, L., Milanović-Čabarkapa, M., Stojanović, S., Bajić, V.,& Spremo-Potparević, B.. (2015). Implications of oxidative stress in occupational exposure to lead on a cellular level. in Toxicological and Environmental Chemistry
Taylor & Francis Ltd, Abingdon., 97(6), 799-813.
https://doi.org/10.1080/02772248.2015.1060973

Čabarkapa A, Borozan S, Živković L, Milanović-Čabarkapa M, Stojanović S, Bajić V, Spremo-Potparević B. Implications of oxidative stress in occupational exposure to lead on a cellular level. in Toxicological and Environmental Chemistry. 2015;97(6):799-813.
doi:10.1080/02772248.2015.1060973 .

Čabarkapa, Andrea, Borozan, Sunčica, Živković, Lada, Milanović-Čabarkapa, Mirjana, Stojanović, Srđan, Bajić, Vladan, Spremo-Potparević, Biljana, "Implications of oxidative stress in occupational exposure to lead on a cellular level" in Toxicological and Environmental Chemistry, 97, no. 6 (2015):799-813,
https://doi.org/10.1080/02772248.2015.1060973 . .

TY  - JOUR
AU  - Čabarkapa, Andrea
AU  - Borozan, Sunčica
AU  - Zivković, L.
AU  - Stojanović, S.
AU  - Milanović-Čabarkapa, Mirjana
AU  - Bajić, Vladan
AU  - Spremo-Potparević, Biljana
PY  - 2015
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/1310
AB  - Lead induced oxidative cellular damage and long-term persistence of associated adverse effects increases risk of late-onset diseases. CaNa(2)EDTA chelation is known to remove contaminating metals and to reduce free radical production. The objective was to investigate the impact of chelation therapy on modulation of lead induced cellular damage, restoration of altered enzyme activities and lipid homeostasis in peripheral blood of workers exposed to lead, by comparing the selected biomarkers obtained prior and after five-day CaNa(2)EDTA chelation intervention. The group of smelting factory workers diagnosed with lead intoxication and current lead exposure 5.8 +/- 1.2 years were administered five-day CaNa(2)EDTA chelation. Elevated baseline activity of antioxidant enzymes Cu, Zn-SOD and CAT as well as depleted thiols and increased protein degradation products-carbonyl groups and nitrites, pointing to Pb induced oxidative damage, were restored toward normal values following the treatment. Lead showed inhibitor potency on both RBC AChE and BChE in exposed workers, and chelation re-established the activity of BChE, while RBC AChE remained unaffected. Also, genotoxic effect of lead detected in peripheral blood lymphocytes was significantly decreased after therapy, exhibiting 18.9% DNA damage reduction. Administration of chelation reversed the depressed activity of serum PON 1 and significantly decreased lipid peroxidation detected by the post-chelation reduction of MDA levels. Lactate dehydrogenase LDF1-5 isoenzymes levels showed evident but no significant trend of restoring toward normal control values following chelation. CaNa(2)EDTA chelation ameliorates the alterations linked with Pb mediated oxidative stress, indicating possible benefits in reducing health risks associated with increased oxidative damage in lead exposed populations.
PB  - Elsevier Ireland Ltd, Clare
T2  - Chemico-Biological Interactions
T1  - CaNa(2)EDTA chelation attenuates cell damage in workers exposed to lead-a pilot study
VL  - 242
SP  - 171
EP  - 178
DO  - 10.1016/j.cbi.2015.10.002
ER  - 

@article{
author = "Čabarkapa, Andrea and Borozan, Sunčica and Zivković, L. and Stojanović, S. and Milanović-Čabarkapa, Mirjana and Bajić, Vladan and Spremo-Potparević, Biljana",
year = "2015",
abstract = "Lead induced oxidative cellular damage and long-term persistence of associated adverse effects increases risk of late-onset diseases. CaNa(2)EDTA chelation is known to remove contaminating metals and to reduce free radical production. The objective was to investigate the impact of chelation therapy on modulation of lead induced cellular damage, restoration of altered enzyme activities and lipid homeostasis in peripheral blood of workers exposed to lead, by comparing the selected biomarkers obtained prior and after five-day CaNa(2)EDTA chelation intervention. The group of smelting factory workers diagnosed with lead intoxication and current lead exposure 5.8 +/- 1.2 years were administered five-day CaNa(2)EDTA chelation. Elevated baseline activity of antioxidant enzymes Cu, Zn-SOD and CAT as well as depleted thiols and increased protein degradation products-carbonyl groups and nitrites, pointing to Pb induced oxidative damage, were restored toward normal values following the treatment. Lead showed inhibitor potency on both RBC AChE and BChE in exposed workers, and chelation re-established the activity of BChE, while RBC AChE remained unaffected. Also, genotoxic effect of lead detected in peripheral blood lymphocytes was significantly decreased after therapy, exhibiting 18.9% DNA damage reduction. Administration of chelation reversed the depressed activity of serum PON 1 and significantly decreased lipid peroxidation detected by the post-chelation reduction of MDA levels. Lactate dehydrogenase LDF1-5 isoenzymes levels showed evident but no significant trend of restoring toward normal control values following chelation. CaNa(2)EDTA chelation ameliorates the alterations linked with Pb mediated oxidative stress, indicating possible benefits in reducing health risks associated with increased oxidative damage in lead exposed populations.",
publisher = "Elsevier Ireland Ltd, Clare",
journal = "Chemico-Biological Interactions",
title = "CaNa(2)EDTA chelation attenuates cell damage in workers exposed to lead-a pilot study",
volume = "242",
pages = "171-178",
doi = "10.1016/j.cbi.2015.10.002"
}

Čabarkapa, A., Borozan, S., Zivković, L., Stojanović, S., Milanović-Čabarkapa, M., Bajić, V.,& Spremo-Potparević, B.. (2015). CaNa(2)EDTA chelation attenuates cell damage in workers exposed to lead-a pilot study. in Chemico-Biological Interactions
Elsevier Ireland Ltd, Clare., 242, 171-178.
https://doi.org/10.1016/j.cbi.2015.10.002

Čabarkapa A, Borozan S, Zivković L, Stojanović S, Milanović-Čabarkapa M, Bajić V, Spremo-Potparević B. CaNa(2)EDTA chelation attenuates cell damage in workers exposed to lead-a pilot study. in Chemico-Biological Interactions. 2015;242:171-178.
doi:10.1016/j.cbi.2015.10.002 .

Čabarkapa, Andrea, Borozan, Sunčica, Zivković, L., Stojanović, S., Milanović-Čabarkapa, Mirjana, Bajić, Vladan, Spremo-Potparević, Biljana, "CaNa(2)EDTA chelation attenuates cell damage in workers exposed to lead-a pilot study" in Chemico-Biological Interactions, 242 (2015):171-178,
https://doi.org/10.1016/j.cbi.2015.10.002 . .

TY  - JOUR
AU  - Čabarkapa, Andrea
AU  - Živković, Lada
AU  - Žukovec, Dijana
AU  - Đelić, Ninoslav
AU  - Bajić, Vladan
AU  - Dekanski, Dragana
AU  - Spremo-Potparević, Biljana
PY  - 2014
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/1104
AB  - Excessive release of stress hormone adrenaline is accompanied by generation of reactive oxygen species which may cause disruption of DNA integrity leading to cancer and age-related disorders. Phenolic-rich plant product dry olive leaf extract (DOLE) is known to modulate effects of various oxidants in human cells. The aim was to evaluate the effect of commercial DOLE against adrenaline induced DNA damage in human leukocytes by using comet assay. Peripheral blood leukocytes from 6 healthy subjects were treated in vitro with three final concentrations of DOLE (0.125, 0.5, and 1 mg/mL) for 30 min at 37 degrees C under two different protocols, pretreatment and post-treatment. Protective effect of DOLE was assessed from its ability to attenuate formation of DNA lesions induced by adrenaline. Compared to cells exposed only to adrenaline, DOLE displayed significant reduction (P < 0.001) of DNA damage at all three concentrations and under both experimental protocols. Pearson correlation analysis revealed a significant positive association between DOLE concentration and leukocytes DNA damage (P < 0.05). Antigenotoxic effect of the extract was more pronounced at smaller concentrations. Post-treatment with 0.125 mg/mL DOLE was the most effective against adrenaline genotoxicity. Results indicate genoprotective and antioxidant properties in dry olive leaf extract, strongly supporting further explorations of its underlying mechanisms of action.
PB  - Pergamon-Elsevier Science Ltd, Oxford
T2  - Toxicology in Vitro
T1  - Protective effect of dry olive leaf extract in adrenaline induced DNA damage evaluated using in vitro comet assay with human peripheral leukocytes
VL  - 28
IS  - 3
SP  - 451
EP  - 456
DO  - 10.1016/j.tiv.2013.12.014
ER  - 

@article{
author = "Čabarkapa, Andrea and Živković, Lada and Žukovec, Dijana and Đelić, Ninoslav and Bajić, Vladan and Dekanski, Dragana and Spremo-Potparević, Biljana",
year = "2014",
abstract = "Excessive release of stress hormone adrenaline is accompanied by generation of reactive oxygen species which may cause disruption of DNA integrity leading to cancer and age-related disorders. Phenolic-rich plant product dry olive leaf extract (DOLE) is known to modulate effects of various oxidants in human cells. The aim was to evaluate the effect of commercial DOLE against adrenaline induced DNA damage in human leukocytes by using comet assay. Peripheral blood leukocytes from 6 healthy subjects were treated in vitro with three final concentrations of DOLE (0.125, 0.5, and 1 mg/mL) for 30 min at 37 degrees C under two different protocols, pretreatment and post-treatment. Protective effect of DOLE was assessed from its ability to attenuate formation of DNA lesions induced by adrenaline. Compared to cells exposed only to adrenaline, DOLE displayed significant reduction (P < 0.001) of DNA damage at all three concentrations and under both experimental protocols. Pearson correlation analysis revealed a significant positive association between DOLE concentration and leukocytes DNA damage (P < 0.05). Antigenotoxic effect of the extract was more pronounced at smaller concentrations. Post-treatment with 0.125 mg/mL DOLE was the most effective against adrenaline genotoxicity. Results indicate genoprotective and antioxidant properties in dry olive leaf extract, strongly supporting further explorations of its underlying mechanisms of action.",
publisher = "Pergamon-Elsevier Science Ltd, Oxford",
journal = "Toxicology in Vitro",
title = "Protective effect of dry olive leaf extract in adrenaline induced DNA damage evaluated using in vitro comet assay with human peripheral leukocytes",
volume = "28",
number = "3",
pages = "451-456",
doi = "10.1016/j.tiv.2013.12.014"
}

Čabarkapa, A., Živković, L., Žukovec, D., Đelić, N., Bajić, V., Dekanski, D.,& Spremo-Potparević, B.. (2014). Protective effect of dry olive leaf extract in adrenaline induced DNA damage evaluated using in vitro comet assay with human peripheral leukocytes. in Toxicology in Vitro
Pergamon-Elsevier Science Ltd, Oxford., 28(3), 451-456.
https://doi.org/10.1016/j.tiv.2013.12.014

Čabarkapa A, Živković L, Žukovec D, Đelić N, Bajić V, Dekanski D, Spremo-Potparević B. Protective effect of dry olive leaf extract in adrenaline induced DNA damage evaluated using in vitro comet assay with human peripheral leukocytes. in Toxicology in Vitro. 2014;28(3):451-456.
doi:10.1016/j.tiv.2013.12.014 .

Čabarkapa, Andrea, Živković, Lada, Žukovec, Dijana, Đelić, Ninoslav, Bajić, Vladan, Dekanski, Dragana, Spremo-Potparević, Biljana, "Protective effect of dry olive leaf extract in adrenaline induced DNA damage evaluated using in vitro comet assay with human peripheral leukocytes" in Toxicology in Vitro, 28, no. 3 (2014):451-456,
https://doi.org/10.1016/j.tiv.2013.12.014 . .

TY  - CONF
AU  - Žukovec, Dijana
AU  - Čabarkapa, Andrea
AU  - Živković, Lada
AU  - Đelić, Ninoslav
AU  - Dekanski, Dragana
AU  - Bajić, Vladan
AU  - Spremo-Potparević, Biljana
PY  - 2013
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/985
PB  - Karger, Basel
C3  - Annals of Nutrition and Metabolism
T1  - Protective Potential of Dry Olive Leaf Extract Against Oxidative Stress in Human Lymphocytes Induced by Thyroxin
VL  - 62
SP  - 51
EP  - 51
UR  - https://hdl.handle.net/21.15107/rcub_veterinar_985
ER  - 

@conference{
author = "Žukovec, Dijana and Čabarkapa, Andrea and Živković, Lada and Đelić, Ninoslav and Dekanski, Dragana and Bajić, Vladan and Spremo-Potparević, Biljana",
year = "2013",
publisher = "Karger, Basel",
journal = "Annals of Nutrition and Metabolism",
title = "Protective Potential of Dry Olive Leaf Extract Against Oxidative Stress in Human Lymphocytes Induced by Thyroxin",
volume = "62",
pages = "51-51",
url = "https://hdl.handle.net/21.15107/rcub_veterinar_985"
}

Žukovec, D., Čabarkapa, A., Živković, L., Đelić, N., Dekanski, D., Bajić, V.,& Spremo-Potparević, B.. (2013). Protective Potential of Dry Olive Leaf Extract Against Oxidative Stress in Human Lymphocytes Induced by Thyroxin. in Annals of Nutrition and Metabolism
Karger, Basel., 62, 51-51.
https://hdl.handle.net/21.15107/rcub_veterinar_985

Žukovec D, Čabarkapa A, Živković L, Đelić N, Dekanski D, Bajić V, Spremo-Potparević B. Protective Potential of Dry Olive Leaf Extract Against Oxidative Stress in Human Lymphocytes Induced by Thyroxin. in Annals of Nutrition and Metabolism. 2013;62:51-51.
https://hdl.handle.net/21.15107/rcub_veterinar_985 .

Žukovec, Dijana, Čabarkapa, Andrea, Živković, Lada, Đelić, Ninoslav, Dekanski, Dragana, Bajić, Vladan, Spremo-Potparević, Biljana, "Protective Potential of Dry Olive Leaf Extract Against Oxidative Stress in Human Lymphocytes Induced by Thyroxin" in Annals of Nutrition and Metabolism, 62 (2013):51-51,
https://hdl.handle.net/21.15107/rcub_veterinar_985 .

TY  - JOUR
AU  - Živković, Lada
AU  - Đelić, Ninoslav
AU  - Bajić, Vladan
AU  - Bogavac-Stanojević, Nataša
AU  - Žukovec, Dijana
AU  - Čabarkapa, Andrea
AU  - Spremo-Potparević, Biljana
PY  - 2013
UR  - https://vet-erinar.vet.bg.ac.rs/handle/123456789/981
AB  - Background: The antioxidant activity of estrogen has a beneficial impact in Alzheimer's disease. A variety of clinical studies have demonstrated that estrogen replacement therapy in postmenopausal women results in a lower frequency of AD, delaying the onset of the neurodegenerative cascade. On the other hand, it has been demonstrated that estrogens may exhibit genotoxic effects, especially at elevated tissue concentrations. Therefore, the aim of this study was to determine whether β-estradiol induces DNA damage in the peripheral blood lymphocytes of healthy young females and males, healthy elderly females and males and females and males with Alzheimer's disease. Methods: All experiments were performed using the alkaline version of the Comet assay (single cell gel electrophoresis), on six donors per each experimental group and controls. Results: In the Comet assay, a significant increase of DNA migration was observed in the lymphocytes of all treated groups (young and elderly females, young and elderly males, AD females and AD males) at all β-estradiol concentrations (50 µmol/L, 100 µmol/L and 250 µmol/L) used in this investigation. In all the experiments cell viability was over 80%.Conclusions: Lymphocytes are sensitive to the test concentrations of β-estradiol in the Comet assay regardless of gender, age and health condition of the examined subjects. Therefore, the role of β-estradiol in cellular DNA damage has been confirmed.
AB  - Uvod: Antioksidativna svojstva estrogena imaju povoljan uticaj na Alchajmerovu bolest (AB). Brojne kliničke studije su pokazale da primena hormonske supstitucione terapije estrogenom kod žena u postmenopauzi smanjuje učestalost pojave AB, odlažući početak neurodegenerativnih procesa. S druge strane, pokazano je da estrogeni mogu ispoljiti genotoksičan efekat, naročito pri povišenim koncentracijama u tkivu. Shodno tome, cilj ove studije bio je ispitivanje sposobnosti β-estradiola da izazove oštećenja u limfocitima periferne krvi zdravih mladih žena i muškaraca, zdravih starih žena i muškaraca, kao i žena i muškaraca koji boluju od Alchajmerove bolesti. Metode: Svi eksperimenti su izvedeni primenom alkalne verzije komet testa (gel-elektroforeza DNK pojedinačnih ćelija), na po šest subjekata u svakoj ispitivanoj grupi. Rezultati: Upotrebom komet testa, zabeleženo je značajno povećanje migracije DNK u limfocitima ispitanika iz svih tretiranih grupa (mladih i starih žena, mladih i starih muškaraca kao i kod žena i muškaraca sa AB), pri svim koncentracijama β-estradiola (50 µmol/L, 100 µmol/L i 250 µmol/L) koje su korišćene u ovoj studiji. U svim eksperimentima vijabilnost ćelija je bila iznad 80%. Zaključak: Limfociti periferne krvi osetljivi su na testirane koncentracije β-estradiola, bez obzira na pol, godište i zdravstveno stanje ispitanika. U skladu s navedenim nalazima, potvrđena je uloga β-estradiola u izazivanju oštećenja na ćelijskoj DNK.
PB  - Društvo medicinskih biohemičara Srbije, Beograd i Versita
T2  - Journal of Medical Biochemistry
T1  - Evaluation of DNA damage in the lymphocytes of young, elderly and Alzheimer's disease patients treated with β-estradiol in the comet assay
T1  - Evaluacija oštećenja DNK u limfocitima mladih, starih i pacijenata obolelih od Alchajmerove bolesti tretiranih β-estradiolom u komet testu
VL  - 32
IS  - 3
SP  - 238
EP  - 244
DO  - 10.2478/jomb-2013-0015
ER  - 

@article{
author = "Živković, Lada and Đelić, Ninoslav and Bajić, Vladan and Bogavac-Stanojević, Nataša and Žukovec, Dijana and Čabarkapa, Andrea and Spremo-Potparević, Biljana",
year = "2013",
abstract = "Background: The antioxidant activity of estrogen has a beneficial impact in Alzheimer's disease. A variety of clinical studies have demonstrated that estrogen replacement therapy in postmenopausal women results in a lower frequency of AD, delaying the onset of the neurodegenerative cascade. On the other hand, it has been demonstrated that estrogens may exhibit genotoxic effects, especially at elevated tissue concentrations. Therefore, the aim of this study was to determine whether β-estradiol induces DNA damage in the peripheral blood lymphocytes of healthy young females and males, healthy elderly females and males and females and males with Alzheimer's disease. Methods: All experiments were performed using the alkaline version of the Comet assay (single cell gel electrophoresis), on six donors per each experimental group and controls. Results: In the Comet assay, a significant increase of DNA migration was observed in the lymphocytes of all treated groups (young and elderly females, young and elderly males, AD females and AD males) at all β-estradiol concentrations (50 µmol/L, 100 µmol/L and 250 µmol/L) used in this investigation. In all the experiments cell viability was over 80%.Conclusions: Lymphocytes are sensitive to the test concentrations of β-estradiol in the Comet assay regardless of gender, age and health condition of the examined subjects. Therefore, the role of β-estradiol in cellular DNA damage has been confirmed., Uvod: Antioksidativna svojstva estrogena imaju povoljan uticaj na Alchajmerovu bolest (AB). Brojne kliničke studije su pokazale da primena hormonske supstitucione terapije estrogenom kod žena u postmenopauzi smanjuje učestalost pojave AB, odlažući početak neurodegenerativnih procesa. S druge strane, pokazano je da estrogeni mogu ispoljiti genotoksičan efekat, naročito pri povišenim koncentracijama u tkivu. Shodno tome, cilj ove studije bio je ispitivanje sposobnosti β-estradiola da izazove oštećenja u limfocitima periferne krvi zdravih mladih žena i muškaraca, zdravih starih žena i muškaraca, kao i žena i muškaraca koji boluju od Alchajmerove bolesti. Metode: Svi eksperimenti su izvedeni primenom alkalne verzije komet testa (gel-elektroforeza DNK pojedinačnih ćelija), na po šest subjekata u svakoj ispitivanoj grupi. Rezultati: Upotrebom komet testa, zabeleženo je značajno povećanje migracije DNK u limfocitima ispitanika iz svih tretiranih grupa (mladih i starih žena, mladih i starih muškaraca kao i kod žena i muškaraca sa AB), pri svim koncentracijama β-estradiola (50 µmol/L, 100 µmol/L i 250 µmol/L) koje su korišćene u ovoj studiji. U svim eksperimentima vijabilnost ćelija je bila iznad 80%. Zaključak: Limfociti periferne krvi osetljivi su na testirane koncentracije β-estradiola, bez obzira na pol, godište i zdravstveno stanje ispitanika. U skladu s navedenim nalazima, potvrđena je uloga β-estradiola u izazivanju oštećenja na ćelijskoj DNK.",
publisher = "Društvo medicinskih biohemičara Srbije, Beograd i Versita",
journal = "Journal of Medical Biochemistry",
title = "Evaluation of DNA damage in the lymphocytes of young, elderly and Alzheimer's disease patients treated with β-estradiol in the comet assay, Evaluacija oštećenja DNK u limfocitima mladih, starih i pacijenata obolelih od Alchajmerove bolesti tretiranih β-estradiolom u komet testu",
volume = "32",
number = "3",
pages = "238-244",
doi = "10.2478/jomb-2013-0015"
}

Živković, L., Đelić, N., Bajić, V., Bogavac-Stanojević, N., Žukovec, D., Čabarkapa, A.,& Spremo-Potparević, B.. (2013). Evaluation of DNA damage in the lymphocytes of young, elderly and Alzheimer's disease patients treated with β-estradiol in the comet assay. in Journal of Medical Biochemistry
Društvo medicinskih biohemičara Srbije, Beograd i Versita., 32(3), 238-244.
https://doi.org/10.2478/jomb-2013-0015

Živković L, Đelić N, Bajić V, Bogavac-Stanojević N, Žukovec D, Čabarkapa A, Spremo-Potparević B. Evaluation of DNA damage in the lymphocytes of young, elderly and Alzheimer's disease patients treated with β-estradiol in the comet assay. in Journal of Medical Biochemistry. 2013;32(3):238-244.
doi:10.2478/jomb-2013-0015 .

Živković, Lada, Đelić, Ninoslav, Bajić, Vladan, Bogavac-Stanojević, Nataša, Žukovec, Dijana, Čabarkapa, Andrea, Spremo-Potparević, Biljana, "Evaluation of DNA damage in the lymphocytes of young, elderly and Alzheimer's disease patients treated with β-estradiol in the comet assay" in Journal of Medical Biochemistry, 32, no. 3 (2013):238-244,
https://doi.org/10.2478/jomb-2013-0015 . .