Aquaporin-9 and endometriomas: pathophysiological insights from a case–control study
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Abstract
INTRODUCTION: Endometriosis is an estrogen-dependent condition characterized by ectopic implantation of endometrial tissue; molecular mechanisms underlying lesion persistence remain incompletely understood. Aquaporins (AQPs), transmembrane water channels involved in migration and proliferation, have been implicated in endometriosis pathophysiology, although data on AQP9 are limited. METHODS: This prospective case-control study evaluated AQP9 concentrations in serum, peritoneal fluid, and cervicovaginal secretions of women with endometriomas compared with healthy surgical controls. Twenty-seven women with unilateral endometrioma and 30 undergoing bilateral tubal ligation were included. AQP9 levels were measured using ELISA, and analyses included correlation, receiver operating characteristic (ROC) curve analysis, and logistic regression adjusted for age, body mass index (BMI), gravida and parity. RESULTS: = 0.008). CONCLUSION: Peritoneal AQP9 elevation reflects alterations in the local peritoneal microenvironment, supporting its potential role in the pathophysiology of endometriosis.
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- europepmc
- last seen: 2026-06-04T01:30:01.192114+00:00
- openalex
- last seen: 2026-06-04T00:00:01.174412+00:00
- pubmed
- last seen: 2026-05-27T00:30:31.317476+00:00
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