Prostaglandin E-2 Via Steroidogenic Factor-1 Coordinately Regulates Transcription of Steroidogenic Genes Necessary for Estrogen Synthesis in Endometriosis

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Attar E., Tokunaga H., Imir G., Yilmaz M. B., Redwine D., Putman M., ...More

JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM, vol.94, no.2, pp.623-631, 2009 (SCI-Expanded)

• Publication Type: Article / Article
• Volume: 94 Issue: 2
• Publication Date: 2009
• Doi Number: 10.1210/jc.2008-1180
• Journal Name: JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
• Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
• Page Numbers: pp.623-631
• Çukurova University Affiliated: No

Abstract

Context: Products of at least five specific steroidogenic genes, including steroidogenic acute regulatory protein (StAR), which facilitates the entry of cytosolic cholesterol into the mitochondrion, side chain cleavage P450 enzyme, 3 beta-hydroxysteroid-dehydrogenase-2, 17-hydroxylase/17-20-lyase, and aromatase, which catalyzes the final step, are necessary for the conversion of cholesterol to estrogen. Expression and biological activity of StAR and aromatase were previously demonstrated in endometriosis but not in normal endometrium. Prostaglandin E-2 (PGE(2)) induces aromatase expression via the transcriptional factor steroidogenic factor-1 (SF1) in endometriosis, which is opposed by chicken-ovalbumin upstream- transcription factor (COUP-TF) and Wilms' tumor-1 (WT1) in endometrium.