The present study investigated the effects of PCBs on the rat kidneys with attention given to the determination critical effect dose (CED) using the Benchmark dose (BMD) approach. Male albino Wistar rats (7 animals per group) were given by oral gavage Aroclor 1254 dissolved in corn oil at doses of 0.0, 0.5, 1, 2, 4, 8, or 16 mg/kg b.w./day for 28 days. The PCB nephrotoxicity was manifested by a dose-dependent changes in serum urea levels. The study has also revealed PCB-induced oxidative stress induction in kidneys. The observed nephrotoxic effects can be partly explained by oxidative damage of lipids and proteins in the kidneys due to observed reduced CuZnSOD activity and disturbances in antioxidant protection. Аll the renal oxidative stress parameters showed dependence on PCB oral doses as well as internal, measure kidney PCB levels. Calculated BMDL values were lower than estimated no observed adverse effect levels (NOAEL) based on the study, suggesting the importance of BMD approach... use in future risk assessment.
TY - JOUR
AU - Buha-Đorđević, Aleksandra
AU - Milovanović, Vesna
AU - Ćurčić, Marijana
AU - Antonijević-Miljaković, Evica
AU - Bulat, Zorica
AU - Đukić-Ćosić, Danijela
AU - Janković, Saša
AU - Vučinić, Slavica
AU - Hayes, Wallace
AU - Antonijević, Biljana
PY - 2023
UR - https://farfar.pharmacy.bg.ac.rs/handle/123456789/4326
AB - The present study investigated the effects of PCBs on the rat kidneys with attention given to the determination critical effect dose (CED) using the Benchmark dose (BMD) approach. Male albino Wistar rats (7 animals per group) were given by oral gavage Aroclor 1254 dissolved in corn oil at doses of 0.0, 0.5, 1, 2, 4, 8, or 16 mg/kg b.w./day for 28 days. The PCB nephrotoxicity was manifested by a dose-dependent changes in serum urea levels. The study has also revealed PCB-induced oxidative stress induction in kidneys. The observed nephrotoxic effects can be partly explained by oxidative damage of lipids and proteins in the kidneys due to observed reduced CuZnSOD activity and disturbances in antioxidant protection. Аll the renal oxidative stress parameters showed dependence on PCB oral doses as well as internal, measure kidney PCB levels. Calculated BMDL values were lower than estimated no observed adverse effect levels (NOAEL) based on the study, suggesting the importance of BMD approach use in future risk assessment.
PB - Academic Press Inc.
T2 - Environmental Research
T1 - New insight into the perplexing toxic features of PCBs: A study of nephrotoxicity in an animal model
VL - 217
DO - 10.1016/j.envres.2022.114829
ER -
@article{
author = "Buha-Đorđević, Aleksandra and Milovanović, Vesna and Ćurčić, Marijana and Antonijević-Miljaković, Evica and Bulat, Zorica and Đukić-Ćosić, Danijela and Janković, Saša and Vučinić, Slavica and Hayes, Wallace and Antonijević, Biljana",
year = "2023",
abstract = "The present study investigated the effects of PCBs on the rat kidneys with attention given to the determination critical effect dose (CED) using the Benchmark dose (BMD) approach. Male albino Wistar rats (7 animals per group) were given by oral gavage Aroclor 1254 dissolved in corn oil at doses of 0.0, 0.5, 1, 2, 4, 8, or 16 mg/kg b.w./day for 28 days. The PCB nephrotoxicity was manifested by a dose-dependent changes in serum urea levels. The study has also revealed PCB-induced oxidative stress induction in kidneys. The observed nephrotoxic effects can be partly explained by oxidative damage of lipids and proteins in the kidneys due to observed reduced CuZnSOD activity and disturbances in antioxidant protection. Аll the renal oxidative stress parameters showed dependence on PCB oral doses as well as internal, measure kidney PCB levels. Calculated BMDL values were lower than estimated no observed adverse effect levels (NOAEL) based on the study, suggesting the importance of BMD approach use in future risk assessment.",
publisher = "Academic Press Inc.",
journal = "Environmental Research",
title = "New insight into the perplexing toxic features of PCBs: A study of nephrotoxicity in an animal model",
volume = "217",
doi = "10.1016/j.envres.2022.114829"
}
Buha-Đorđević, A., Milovanović, V., Ćurčić, M., Antonijević-Miljaković, E., Bulat, Z., Đukić-Ćosić, D., Janković, S., Vučinić, S., Hayes, W.,& Antonijević, B.. (2023). New insight into the perplexing toxic features of PCBs: A study of nephrotoxicity in an animal model. in Environmental Research
Academic Press Inc.., 217.
https://doi.org/10.1016/j.envres.2022.114829
Buha-Đorđević A, Milovanović V, Ćurčić M, Antonijević-Miljaković E, Bulat Z, Đukić-Ćosić D, Janković S, Vučinić S, Hayes W, Antonijević B. New insight into the perplexing toxic features of PCBs: A study of nephrotoxicity in an animal model. in Environmental Research. 2023;217.
doi:10.1016/j.envres.2022.114829 .
Buha-Đorđević, Aleksandra, Milovanović, Vesna, Ćurčić, Marijana, Antonijević-Miljaković, Evica, Bulat, Zorica, Đukić-Ćosić, Danijela, Janković, Saša, Vučinić, Slavica, Hayes, Wallace, Antonijević, Biljana, "New insight into the perplexing toxic features of PCBs: A study of nephrotoxicity in an animal model" in Environmental Research, 217 (2023),
https://doi.org/10.1016/j.envres.2022.114829 . .
