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Apoptosis is related to many diseases and development. The p53 tumor-suppressor protein induces apoptosis through transcriptional activation of several genes. A novel p53 inducible pro-apoptotic gene was identified recently and designated PUMA (for p53 upregulated modulator of apoptosis) and bbc3 (for Bcl-2 binding component 3) in human and mouse. PUMA/bbc3 is one of the pro-apoptotic Bcl-2 family members including Bax and Noxa, which are also transcriptional targets of p53. The PUMA gene encodes two BH3 domain-containing proteins termed PUMA-a and PUMA-b. PUMA proteins bind Bcl-2, localize to the mitochondria, and induce cytochrome c release and apoptosis in response to p53. PUMA may be a direct mediator of p53-induced apoptosis.
Gene Name: | BCL2 binding component 3 |
Family/Subfamily: | Apoptosis , not assigned-Apoptosis |
Synonyms: | BBC3, Bcl-2-binding component 3, BCL2 binding component 3, JFY-1, JFY1, PUMA, PUMA alpha |
Target Sequences: | NM_014417 NP_055232.1 Q9BXH1 |
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