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p53, also known as Tumor protein P53, cellular tumor antigen p53 (UniProt name), or transformation-related protein 53 (TRP53) is a regulatory protein that is often mutated in human cancers. The p53 proteins (originally thought to be, and often spoken of as, a single protein) are crucial in vertebrates , where they prevent cancer formation. [ 5 ]
The p53 upregulated modulator of apoptosis (PUMA) also known as Bcl-2-binding component 3 (BBC3), is a pro-apoptotic protein, member of the Bcl-2 protein family. [ 5 ] [ 6 ] In humans, the Bcl-2-binding component 3 protein is encoded by the BBC3 gene .
P53 function can also be responsible for a limited life span where mutations of the p53 gene causes expression of dominant-negative forms producing long lived animals. For example in an experiment using C. elegans , the increased life span of p53 mutants was found to depend on increased autophagy. [ 19 ]
The expression of the mouse counterpart of this gene has been found to be positively regulated by the tumor suppressor p53 and to induce cell apoptosis in response to DNA damage, which suggests a role for this gene as an effector of p53-dependent apoptosis. Three alternatively spliced transcript variants encoding distinct isoforms have been ...
P53, p63, and p73 have similar features in their gene structures and functions but have also diverged evolutionarily. The p53 family evolved from an ancestor gene in unicellular life. [ 4 ] The ancestor gene functioned in germ line DNA protection early invertebrates. [ 5 ]
64058 Ensembl ENSG00000112378 ENSMUSG00000019851 UniProt Q96FX8 Q9JK95 RefSeq (mRNA) NM_022121 NM_022032 RefSeq (protein) NP_071404 NP_071315 Location (UCSC) Chr 6: 138.09 – 138.11 Mb Chr 10: 18.72 – 18.73 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse p53 apoptosis effector related to PMP-22 is a plasma membrane protein that, in humans, is encoded by the PERP gene. PERP is a ...
5366 n/a Ensembl ENSG00000141682 n/a UniProt Q13794 n/a RefSeq (mRNA) NM_021127 n/a RefSeq (protein) NP_066950 NP_001369544 NP_001369545 NP_001369546 NP_001369547 NP_001369552 n/a Location (UCSC) Chr 18: 59.9 – 59.9 Mb n/a PubMed search n/a Wikidata View/Edit Human Phorbol-12-myristate-13-acetate-induced protein 1 is a protein that in humans is encoded by the PMAIP1 gene, and is also known ...
This suggests that down-regulation of survivin by p53 is important for p53-mediated apoptotic pathway to successfully result in apoptosis. It is known that a defining characteristic of most tumors is the over-expression of survivin and the complete loss of wild-type p53. [ 17 ]