Transcriptomics

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Renal Cell Carcinomas in Vinylidene Chloride Exposed Male B63FC1 Mice Are Characterized by Oxidative Stress and TP53 Overexpression


ABSTRACT: Vinylidene Chloride has been widely used in the production of plastics and flame retardants. Exposure of B6C3F1 to VDC in the 2-year National Toxicology Program carcinogenicity bioassay resulted in a dose-dependent increase in renal cell hyperplasias, adenomas, and carcinomas (RCCs). Global gene expression analysis showed overrepresentation of pathways associated with chronic xenobiotic and oxidative stress in RCCs from VDC-exposed B6C3F1 mice, as well as cMyc overexpression and dysregulation of Tp53 cell cycle checkpoint and DNA damage repair pathways. Trend analysis comparing RCC, VDC-exposed kidney, and vehicle control kidney showed a conservation of pathway dysregulation in terms of overrepresentation of xenobiotic and oxidative stress, and DNA damage and cell cycle checkpoint pathways in both VDC-exposed kidney and RCC, suggesting that these mechanisms play a role in the development of RCC in VDC-exposed mice.

ORGANISM(S): Mus musculus

PROVIDER: GSE67320 | GEO | 2015/12/21

SECONDARY ACCESSION(S): PRJNA279500

REPOSITORIES: GEO

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