Gene Set: WANG_CISPLATIN_RESPONSE_AND_XPC_UP

Standard name WANG_CISPLATIN_RESPONSE_AND_XPC_UP
Systematic name M19511
Brief description Genes up-regulated in fibroblasts with defective XPC [GeneID=7508] in response to cisplatin [PubChem=2767].
Full description or abstract XPC is an important DNA damage recognition protein involved in DNA nucleotide excision repair. We have studied the role of the XPC protein in cisplatin treatment-mediated cell cycle regulation. Through the comparison of microarray data obtained from human normal fibroblasts and two individual XPC-defective cell lines, 486 genes were identified as XPC-responsive genes in the cisplatin treatment (with a minimal 1.5-fold change) and 297 of these genes were further mapped to biological pathways and gene ontologies. The cell cycle and cell proliferation-related genes were the most affected genes by the XPC defect in the cisplatin treatment. Many other cellular function genes were also affected by the XPC defect in the treatment. Western blot hybridization results revealed that the XPC defect reduced the p53 responses to the cisplatin treatment. The ability to activate caspase-3 was also attenuated in the XPC cells with the treatment. These results suggest that the XPC protein plays a critical role in initiating the cisplatin DNA damaging treatment-mediated signal transduction process, resulting in activation of the p53 pathway and cell cycle arrest that allow DNA repair and apoptosis to take place. These results reveal an important role of the XPC protein in the cancer prevention.
Collection C2: curated gene sets
      CGP: chemical and genetic perturbations
Source publication Pubmed 15107491   Authors: Wang G,Chuang L,Zhang X,Colton S,Dombkowski A,Reiners J,Diakiw A,Xu XS
Exact source Table 1S: fold change > 0
Related gene sets (show 1 additional gene sets from the source publication)

(show 381 gene sets from the same authors)
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Organism Homo sapiens
Contributed by John Newman (University of Washington)
Source platform SEQ_ACCESSION
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Compendia expression profiles Human tissue compendium (Novartis)
NCI-60 cell lines (National Cancer Institute)
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Version history 3.0: Renamed from CIS_XPC_UP

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