ArticleThe Journal of biological chemistry2021
Hop2 interacts with the transcription factor CEBPα and suppresses adipocyte differentiation.
Article in The Journal of biological chemistry, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 7 citations in OpenAlex.
- Long non-coding RNA MLST promotes milk fat synthesis in bovine mammary epithelial cells by sponging miR-7 to activate the mTOR signal pathway.Journal of animal science · 2026Article
- Micro-Current Stimulation Can Modulate the Adipogenesis Process by Regulating the Insulin Signaling Pathway in 3T3-L1 Cells andLife (Basel, Switzerland) · 2023Article
- HMG20A Inhibit Adipogenesis by Transcriptional and Epigenetic Regulation of MEF2C Expression.International journal of molecular sciences · 2022Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
CCAAT enhancer binding protein (CEBP) transcription factors (TFs) are known to promote adipocyte differentiation; however, suppressors of CEBP TFs have not been reported thus far. Here, we find that homologous chromosome pairing protein 2 (Hop2) functions as an inhibitor for the TF CEBPα. We found that Hop2 mRNA is highly and specifically expressed in adipose tissue, and that ectopic Hop2 expression suppresses reporter activity induced by CEBP as revealed by DNA transfection. Recombinant and ectopically expressed Hop2 was shown to interact with CEBPα in pull-down and coimmunoprecipitation assays, and interaction between endogenous Hop2 and CEBPα was observed in the nuclei of 3T3 preadipocytes and adipocytes by immunofluorescence and coimmunoprecipitation of nuclear extracts. In addition, Hop2 stable overexpression in 3T3 preadipocytes inhibited adipocyte differentiation and adipocyte marker gene expression. These in vitro data suggest that Hop2 inhibits adipogenesis by suppressing CEBP-mediated transactivation. Consistent with a negative role for Hop2 in adipogenesis, ablation of Hop2 (Hop2
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