Systematic name M3996
Brief description Genes up-regulated in RPTEC cells (normal kidney) by hypoxia.
Full description or abstract The von Hippel-Lindau tumor suppressor, pVHL, is a key player in one of the best characterized hypoxia signaling pathways, the VHL-hypoxia-inducible factor (VHL-HIF) pathway. To better understand the role of VHL in the hypoxia signaling pathways of tumor cells, we used serial analysis of gene expression (SAGE) to investigate hypoxia-regulated gene expression in renal carcinoma cells (786-0), with and without VHL. The gene expression profiles of the cancer cells were compared to SAGE profiles from normal renal proximal tubule cells grown under both normoxia and hypoxia. The data suggest that the role of VHL as a tumor suppressor may be more complex than previously thought. Further, the data reveal that renal carcinoma cells have evolved an alternative hypoxia signaling pathway(s) compared with normal renal cells. These alternative hypoxia pathways demonstrate VHL-dependent and VHL-independent regulation. The genes involved in such pathways include those with potential importance in the physiological and pathological regulation of tumor growth and angiogenesis. Some of the genes identified as showing overexpression in the cancer cells, particularly those encoding secreted or membrane-bound proteins, could be potential biomarkers for tumors or targets for rational therapeutics that are dependent on VHL status.
Collection C2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 12692265   Authors: Jiang Y,Zhang W,Kondo K,Klco JM,St Martin TB,Dufault MR,Madden SL,Kaelin WG Jr,Nacht M
Exact source Table 8S-9S: 7 genes + 407 genes
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Source species Homo sapiens
Contributed by John Newman (University of Washington)
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Version history 3.0: Renamed from HYPOXIA_NORMAL_UP

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