Systematic name M17374
Brief description Genes up-regulated in DLD1 cells (colon cancer) by p73 beta [GeneID=7161] or by and p63 gamma [GeneID=8626] but not by p53 [GeneID=7157].
Full description or abstract p63 and p73 show a high degree of structural homology to p53 and are members of a family of transcriptional factors that can activate transcription of p53-responsive genes. p53 is mutated in more than 50% of human cancers, whereas p63 and p73 are rarely mutated. Studies of knockout mice also revealed an unexpected functional diversity among the p53 family. To determine how p63 and p73 are involved in tumorigenesis and normal development, we used cDNA microarray to examine 9216 genes in human colorectal cancer cells. We discovered that the expression of pigment epithelium-derived factor (PEDF) was specifically induced by either p63 or p73, but not by p53. We also report here that the PEDF gene contains a response element specific for p63 and p73 in its promoter region and is a direct target of p63 and p73. Collectively, p63 and p73 may be involved in cell fate by inducing PEDF expression.
Collection C2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 15856012   Authors: Sasaki Y,Naishiro Y,Oshima Y,Imai K,Nakamura Y,Tokino T
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Source species Homo sapiens
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