Synonyms:58 kDa heat shock protein, C1orf10, cornulin, CRNN, DRC1, PDRC1, SEP53, Tumor related protein Background:Survival factor that participates in the clonogenicity of squamous esophageal epithelium cell lines, attenuates deoxycholic acid(DCA)-induced apoptotic cell death and release of calcium. When overexpressed in oral squamous carcinom cell lines, regulates negatively cell proliferation by the induction of G1 arrest.