Human Gene Set: BRACHAT_RESPONSE_TO_CISPLATIN

For the Mouse gene set with the same name, see BRACHAT_RESPONSE_TO_CISPLATIN

Standard name BRACHAT_RESPONSE_TO_CISPLATIN
Systematic name M1509
Brief description Genes up-regulated in FL5.12 cells (pro-B lymphocyte) in response to cisplatin [PubChem=2767].
Full description or abstract DNA microarrays are powerful tools for the analysis of gene expression on a genomic scale. The importance of individual regulatory events for the process under study can however not be deduced unequivocally without additional experiments. We devised a strategy to identify central regulators of cancer drug responses by combining the results of microarray experiments with efficient methods for phenotypic testing of candidate genes. We exposed murine FL5.12 pro-B cells to cisplatin, camptothecin, methotrexate or paclitaxel, respectively and analysed the patterns of gene expression with cDNA microarrays. Drug-specific regulatory events as well as intersections between different apoptotic pathways, including previously studied responses to staurosporine and interleukin-3 (IL-3) deprivation, were identified. Genes shared by at least three pathways were chosen for further analysis. Ectopic expression of three such genes, TEAP, GP49B, and Lipin1 was found to have an anti-proliferative effect on pro-B cells. Interestingly, we identified hemoglobin alpha as a strong pro-apoptotic regulator. While hemoglobin-expressing cells were growing normally in the presence of IL-3, they displayed accelerated apoptosis with similar kinetics as Bax overexpressing cells upon IL-3 removal. The pro-apoptotic effect of hemoglobin was suppressed by Bcl-2 and was characterized by enhanced stimulation of caspase activity.
Collection C2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 12447701   Authors: Brachat A,Pierrat B,Xynos A,Brecht K,Simonen M,Brüngger A,Heim J
Exact source Table 1 & 2: Cisplatin
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Source species Mus musculus
Contributed by John Newman (University of Washington)
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identifier namespace		 MOUSE_SEQ_ACCESSION
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Version history 3.1: First introduced

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