TargetRx Atlas

MRNA basic information

  • mRNA ID:ENST00000371199
  • Gene Name:XIAP
  • mRNA database:Ensembl
  • mRNA expression :up-regulated
  • mRNA Method:RT-PCR
  • mRNA Pathway:NA
  • Evidence:predicted
  • (mRNA-drug)

Drug basic information

  • Drug ID:NA
  • Drug Name:NA
  • Drug Method:NA

Disease basic infommation

  • Disease:renal cancer
  • Tissue:Human renal carcinoma Caki cell

Other information

  • Title:Overexpression of Par-4 enhances thapsigargin-induced apoptosis via down-regulation of XIAP and inactivation of Akt in human renal cancer cells.
  • Journal:J Cell Biochem
  • Published:2008
  • PubMed ID:18041764
  • Abstract:The prostate-apoptosis-response-gene-4 (Par-4) protein has been shown to function as an effector of cell death in response to various apoptotic stimuli that trigger mitochondria and membrane receptor-mediated cell death pathways. We found that overexpressing Par-4 by stable transfection sensitizes Caki cells to induction of apoptosis by TRAIL and drugs that induce endoplasmic reticulum (ER) stress [thapsigargin (TG), tunicamycin (TU) and etoposide]. Ectopic expression of Par-4 is associated with decreased levels of XIAP protein in TG-treated cells, caused in part by XIAP protein instability and caspase activation. Levels of phospho-Akt are decreased in Caki/Par-4 cells to a significantly greater extent than in Caki/Vector cells by treatment with TG, and this is in turn associated with decreased levels of phospho-PDK1, the kinase upstream of Akt. In conclusion, we provide evidence that ectopic expression of Par-4 sensitizes Caki cells to TG and that XIAP protein instability and inactivation of Akt are important in cellular pathways affected by Par-4.
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