Steroidogenic Factor-1 Expression in Ovarian Endometriosis

Jean-Christophe Noël, Jean‐Christophe Noël, Bruno Borghese, Daniel Vaiman, Isabelle Fayt, Vincent Anaf, Charles Chapron
Applied immunohistochemistry & molecular morphology : AIMM · 2010 · vol. 18(3) , pp. 258–261 · doi:10.1097/pai.0b013e3181c06948 · PMID:19875956 · W2085963101
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This study found no steroidogenic factor-1 expression in ovarian endometriosis or eutopic endometrium glands and stroma, but strong expression in adjacent ovarian mesenchymatous cells.

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Abstract

Steroidogenic factor-1 (SF-1), a major protein regulating the complex cascade of steroidogenis, has been postulated to play a role in ovarian endometriosis. However, the expression in situ of SF-1 in ovarian endometriosis is unknown. To shed light on its presence, the expression of SF-1 was studied by immunohistochemistry in 30 cases of ovarian endometriosis (proliferative, n=15; secretory phase, n=15) and in 10 cases of normal eutopic endometrium coming from the same patients. No SF-1 immunoreactivity was observed in glands or endometrial stroma from ovarian endometriosis or eutopic endometrium. In contrast, a strong immunoreactivity was observed in the adjacent ovarian cortical or medullary mesenchymatous cells in all the cases examined independently of the cycle's phases. Contrary to the earlier reported hypothesis, our data showed for the first time the absence of SF-1 expression in glands and endometrial stroma from ovarian endometriosis and eutopic endometrium. However, the strong expression of SF-1 observed in cortical and medullary ovarian mesenchymatous cells adjacent to endometriosis, suggests a potential role for these cells in locally induced steroidogenesis.

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Condition tags

endometriosis

MeSH descriptors

Endometriosis Endometrium Ovarian Diseases Ovary Steroidogenic Factor 1 Uterine Diseases Endometriosis Endometrium Endometrium Endometrium Female Follicular Phase Humans Immunochemistry Luteal Phase Mesenchymal Stem Cells Mesenchymal Stem Cells Mesenchymal Stem Cells Mesenchymal Stem Cells Ovarian Diseases

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