[Role of PPARα in the oxidative damage of rat liver cells BRL-3A induced by perfluorooctanoic acid]. 2018

Li Wang, and Ziyan Hu, and Weiye Wang, and Zhaoyan Wen, and Mengying Kan, and Hui Liu
Bengbu Medical College, Bengbu 233030, China.

OBJECTIVE To investigate the role of PPARα in oxidative damage of BRL-3A cells induced by perfluorooctanoic acid( PFOA) by inhibiting and activating gene expression. METHODS In vitro culture of rat liver BRL-3A cells were divided into blank control group, PFOA experimental control group, PPARα inhibition group( GW6471), PPARα agonist group( WY14643), PPARα inhibitor pretreatment PFOA group( GW6471 + PFOA), PPARα agonist pretreatment PFOA group( WY14643 + PFOA). Fluorescence immunocytochemistry was used to detect the expression of PPARα. The expression of PPARα and its downstream target gene was detected by q PCR. The expression of related protein was detected by Western blot. RESULTS The expression of PPARα in rat liver BRL-3A cells was successfully inhibited and stimulated by inhibitors and agonists( P < 0. 05). Compared with the blank control group and the PFOA experimental control group, there was a significant decrease in the content of ROS in the WY14643 + PFOA group compared with the blank control group and the PFOA experimental control group( P < 0. 05). The expression of PPARα and its downstream gene Cyp4a1 in GW6471 + PFOA group was higher than that in PPARα inhibitor group( P < 0. 05), but it was significantly lower than that in PFOA experimental control group( P < 0. 05). The expression of related genes in WY14643 + PFOA group was significantly lower than that in PPARα agonist group( P < 0. 05). The protein expression of PPARα in GW6471 + PFOA group was up-regulated compared with the inhibitor group, there was no difference compared with the blank control group. The protein expression of PPARα in WY14643 + PFOA group was not significantly different from that in agonist group, but it was significantly higher than that in PFOA experimental control group( P < 0. 05). CONCLUSIONS PFOA exposure can activate the expression of PPARα, remove ROS, PPARα played a protective role in PFOA-induced rat liver cell oxidative damage.

UI MeSH Term Description Entries
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D002210 Caprylates Derivatives of caprylic acid. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain a carboxy terminated eight carbon aliphatic structure. Caprylate,Octanoates,Caprylic Acids,Octanoic Acids,Acids, Caprylic,Acids, Octanoic
D005466 Fluorocarbons Liquid perfluorinated carbon compounds which may or may not contain a hetero atom such as nitrogen, oxygen or sulfur, but do not contain another halogen or hydrogen atom. This concept includes fluorocarbon emulsions, and fluorocarbon blood substitutes. Perfluorinated and related polyfluorinated chemicals are referred to as PFAS and are defined as chemicals with at least two adjacent carbon atoms, where one carbon is fully fluorinated and the other is at least partially fluorinated. Fluorocarbon,Fluorocarbon Emulsion,Fluorocarbon Emulsions,Fluorotelomer Phosphate Esters,N-Alkyl Perfluoroalkyl Sulfonamido Carboxylates,PFAS Per- and Polyfluoroalkyl Substances,PFC Perfluorinated Chemicals,PFECAs Perfluoropolyether Carboxylic Acids,Per- and Polyfluoroalkyl Substances,Perfluoroalkane Sulfonamides,Perfluoroalkyl Carboxylates,Perfluoroalkyl Ether Carboxylates,Perfluoroalkyl Polyether Carboxylates,Perfluorocarbon,Perfluorocarbons,Perfluoropolyether Carboxylic Acids,Polyfluorocarbons,Fluorinated Telomer Alcohols,Fluoro-Telomer Alcohols,Polyfluorinated Telomer Alcohols,Telomer Fluorocarbons,Acids, Perfluoropolyether Carboxylic,Alcohols, Fluorinated Telomer,Alcohols, Fluoro-Telomer,Alcohols, Polyfluorinated Telomer,Carboxylates, Perfluoroalkyl,Carboxylates, Perfluoroalkyl Ether,Carboxylates, Perfluoroalkyl Polyether,Carboxylic Acids, Perfluoropolyether,Chemicals, PFC Perfluorinated,Emulsion, Fluorocarbon,Emulsions, Fluorocarbon,Esters, Fluorotelomer Phosphate,Ether Carboxylates, Perfluoroalkyl,Fluoro Telomer Alcohols,Fluorocarbons, Telomer,N Alkyl Perfluoroalkyl Sulfonamido Carboxylates,PFAS Per and Polyfluoroalkyl Substances,Per and Polyfluoroalkyl Substances,Perfluorinated Chemicals, PFC,Phosphate Esters, Fluorotelomer,Polyether Carboxylates, Perfluoroalkyl,Sulfonamides, Perfluoroalkane,Telomer Alcohols, Fluorinated,Telomer Alcohols, Polyfluorinated
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D047493 PPAR alpha A nuclear transcription factor. Heterodimerization with RETINOID X RECEPTOR GAMMA is important to metabolism of LIPIDS. It is the target of FIBRATES to control HYPERLIPIDEMIAS. PPARalpha,Peroxisome Proliferator-Activated Receptor alpha,Peroxisome Proliferator Activated Receptor alpha
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus
D018384 Oxidative Stress A disturbance in the prooxidant-antioxidant balance in favor of the former, leading to potential damage. Indicators of oxidative stress include damaged DNA bases, protein oxidation products, and lipid peroxidation products (Sies, Oxidative Stress, 1991, pxv-xvi). Anti-oxidative Stress,Antioxidative Stress,DNA Oxidative Damage,Nitro-Oxidative Stress,Oxidative Cleavage,Oxidative DNA Damage,Oxidative Damage,Oxidative Injury,Oxidative Nitrative Stress,Oxidative Stress Injury,Oxidative and Nitrosative Stress,Stress, Oxidative,Anti oxidative Stress,Anti-oxidative Stresses,Antioxidative Stresses,Cleavage, Oxidative,DNA Damage, Oxidative,DNA Oxidative Damages,Damage, DNA Oxidative,Damage, Oxidative,Damage, Oxidative DNA,Injury, Oxidative,Injury, Oxidative Stress,Nitrative Stress, Oxidative,Nitro Oxidative Stress,Nitro-Oxidative Stresses,Oxidative Cleavages,Oxidative DNA Damages,Oxidative Damage, DNA,Oxidative Damages,Oxidative Injuries,Oxidative Nitrative Stresses,Oxidative Stress Injuries,Oxidative Stresses,Stress Injury, Oxidative,Stress, Anti-oxidative,Stress, Antioxidative,Stress, Nitro-Oxidative,Stress, Oxidative Nitrative,Stresses, Nitro-Oxidative

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