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Chlorpyrifos induced oxidative stress to promote apoptosis and autophagy through the regulation of miR-19a-AMPK axis in common carp. 2019

Qiaojian Zhang, and Shufang Zheng, and Shengchen Wang, and Wei Wang, and Houjuan Xing, and Shiwen Xu
College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Harbin, 150030, PR China.

Chlorpyrifos (CPF) has become a mainly pollution in water environment. Micro-RNAs (miRNAs) play an important part in the development of apoptosis and autophagy. However, the potential mechanism of CPF induced kidney toxicity and the roles of miRNAs are still unclear. To explore the underlying mechanism, the kidney of common carp exposed to different concentrations of CPF for 40 days was used as a research object. We found that CPF could damage the ultrastructure and function of kidney; and also caused antioxidant system disorder. CPF inhibited the mRNA level of miR-19a which improved AMP-activated protein kinase (AMPK). Furthermore, the detection of apoptosis and autophagy relative genes showed that the expressions of TSC complex subunit 2 (TSC2), light chain 3 (LC3), Dynein, tumor protein 53 (p53), Bcl-2 associated X protein (Bax), caspase-3 and caspase-9 were enhanced and the expressions of nechanistic target of rapamycin (mTOR), Ras homolog mTORC1 binding (Rheb) and B-cell lymphoma (Bcl-2) were reduced in dose-dependent way. Taken together, we conclude that CPF causes oxidative stress and miR-19a-AMPK axis disorder, thereby promotes apoptosis and autophagy in common carp kidney. Our study will provide theoretical basis for toxicology research and environmental protection of CPF.

UI MeSH Term Description Entries
D007306 Insecticides Pesticides designed to control insects that are harmful to man. The insects may be directly harmful, as those acting as disease vectors, or indirectly harmful, as destroyers of crops, food products, or textile fabrics. Insecticide
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D011897 Random Allocation A process involving chance used in therapeutic trials or other research endeavor for allocating experimental subjects, human or animal, between treatment and control groups, or among treatment groups. It may also apply to experiments on inanimate objects. Randomization,Allocation, Random
D002347 Carps Common name for a number of different species of fish in the family Cyprinidae. This includes, among others, the common carp, crucian carp, grass carp, and silver carp. Carassius carassius,Crucian Carp,Cyprinus,Grass Carp,Carp,Ctenopharyngodon idellus,Cyprinus carpio,Hypophthalmichthys molitrix,Koi Carp,Silver Carp,Carp, Crucian,Carp, Grass,Carp, Koi,Carp, Silver,Carps, Crucian,Carps, Grass,Carps, Silver,Crucian Carps,Grass Carps,Silver Carps
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D004390 Chlorpyrifos An organothiophosphate cholinesterase inhibitor that is used as an insecticide and as an acaricide. Dursban,Lorsban
D005786 Gene Expression Regulation Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control (induction or repression) of gene action at the level of transcription or translation. Gene Action Regulation,Regulation of Gene Expression,Expression Regulation, Gene,Regulation, Gene Action,Regulation, Gene Expression
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
D001343 Autophagy The segregation and degradation of various cytoplasmic constituents via engulfment by MULTIVESICULAR BODIES; VACUOLES; or AUTOPHAGOSOMES and their digestion by LYSOSOMES. It plays an important role in BIOLOGICAL METAMORPHOSIS and in the removal of bone by OSTEOCLASTS. Defective autophagy is associated with various diseases, including NEURODEGENERATIVE DISEASES and cancer. Autophagocytosis,ER-Phagy,Lipophagy,Nucleophagy,Reticulophagy,Ribophagy,Autophagy, Cellular,Cellular Autophagy,ER Phagy
D014874 Water Pollutants, Chemical Chemical compounds which pollute the water of rivers, streams, lakes, the sea, reservoirs, or other bodies of water. Chemical Water Pollutants,Landfill Leachate,Leachate, Landfill,Pollutants, Chemical Water

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