P450Arom induction in isolated control endometrial cells by peritoneal fluid from women with endometriosis

Lab / animal OA: bronze CC0 ⤵ 9 in-corpus citations
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This study investigated the induction of P450Arom in isolated endometrial cells by peritoneal fluid from women with endometriosis.

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Abstract

OBJECTIVE: To study the effect of peritoneal fluid from women with (PF-E) and without (PF-C) endometriosis on P(450)Arom expression in endometrial cells. DESIGN: Experimental study. SETTING: University research unit. PATIENT(S): Forty women of reproductive age with (n = 22) or without (control; n = 18) endometriosis. INTERVENTION(S): Peritoneal fluid and eutopic endometrial samples were obtained during surgery from women with (n = 13 and 9, respectively) and without (n = 4 and 14, respectively) endometriosis. MAIN OUTCOME MEASURE(S): Expression study for P(450)Arom, steroid factor 1 (SF-1), chicken ovalbumin upstream transcription factor I (COUP-TFI), and COUP-TFII messenger RNA (reverse transcriptase-polymerase chain reacion) and/or protein (immunoblot) in isolated endometrial epithelial cells transfected or not with expression vector containing SF-1, COUP-TFI, or COUP-TFII complementary DNAs. RESULT(S): Basal messenger RNA and/or protein expression of P(450)Arom and SF-1 were augmented in endometriosis, and that of COUP-TF was diminished. In control cells, (Bu)(2)cAMP and PF-E increased P(450)Arom and SF-1 expression (but not COUP-TF expression) in a dose-dependent way, an effect not observed with PF-C, adsorbed PF-E, or 10(-5) M indomethacin. Transfected cells confirmed these results. Any treatments modified the studied molecules in endometriosis cells. CONCLUSION(S): These data indicate that molecules contained in PF-E favor an estrogenic microenvironment, suggesting a role in the etiopathogenesis of endometriosis enabling the survival, maintenance, and growth of endometrial implants in the ectopic locations.

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Condition tags

endometriosis

MeSH descriptors

Aromatase Ascitic Fluid Ascitic Fluid Endometriosis Endometrium Peritoneal Diseases Adult Adult Aromatase Aromatase Aromatase Ascitic Fluid Ascitic Fluid Case-Control Studies Case-Control Studies Cells, Cultured Cells, Cultured Cell Separation Cell Separation COUP Transcription Factors

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References (57)

Cited by (9)

Source provenance

europepmc
last seen: 2026-10-16T06:09:50.462052+00:00
openalex
last seen: 2026-06-10T17:14:06.276822+00:00
pubmed
last seen: 2026-10-08T21:07:31.877465+00:00
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