Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:P04637 (p53)
 77,613 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

C23 is an abundant and multi-functional protein, which plays an important role in various biological processes, including ribosome biogenesis and maturation, cell cycle checkpoints and transcriptional regulation [1, 2]. However, the role of C23 in controlling tumorigenesis has not been well defined. Here we report that C23 is highly expressed in cancer cells and the elevated expression of C23 facilitates cancer cell proliferation in vitro and tumor xenograft growth in vivo. Notably, C23 binds to p53 through its GAR domain and suppresses the transcriptional activity of p53 under DNA damage and hypoxia. Moreover, the GAR domain is critical for C23-mediated tumor cell proliferation both in vitro and in vivo. Our findings reveal a novel role of C23 in tumorigenesis and suggest that C23 may represent a potential therapeutic target for treating malignancy.
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PMID:C23 promotes tumorigenesis via suppressing p53 activity. 2750 38