Systematic name M17537
Brief description Down-regulated in ovarian epithelial cells (MCV152) 72 hours following FSH treatment, compared to untreated
Full description or abstract Epidemiologic data have implicated reproductive follicle-stimulating hormone (FSH) as a probable risk factor for ovarian cancer (OC) development. Although pituitary and sex hormones have been reported to regulate OC cell growth, no information is available on the influence of FSH on gene expression profiles during ovarian surface epithelial (OSE) cell proliferation. This study evaluated the effect of FSH treatment on cell proliferation of various OSE cell lines and gene expression profiles with FSH treatment. Follicle-stimulating hormone receptor (FSHR) was found at higher expression at both transcriptional and protein levels in ovarian cancerous tissues compared to normal tissues, and FSH was shown to promote cell growth in 3 OSE cell lines. Furthermore, it was also found that overexpression of FSHR in Chinese hamster ovary (CHO) cells leads to cell proliferation. Using cDNA MicroArray analysis on MCV152 cells with FSH treatment, 91 genes were found upregulated and 68 genes downregulated for more than 2-fold after FSH treatment. Most of the genes were related to metabolism, cell proliferation and oncogenes. Downregulated genes included tumor suppressor genes (RB1, BRCA1, BS69) and the genes related to cell proliferation control. Pathway analysis found that FSH activates certain important enzymes in sterol biosynthesis pathways. FSH-induced gene expression profiles on MCV152 cells support the standing hypothesis that FSH is a probable risk factor for ovarian cancerous development.
Collection C2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 15386376   Authors: Ji Q,Liu PI,Chen PK,Aoyama C
Exact source Table 3
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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 FSH_OVARY_MCV152_DN

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