{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T18:51:04Z","timestamp":1790016664448,"version":"4.0.1"},"reference-count":37,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2025,8,15]],"date-time":"2025-08-15T00:00:00Z","timestamp":1755216000000},"content-version":"vor","delay-in-days":14,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["American J Rep Immunol"],"published-print":{"date-parts":[[2025,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>Endometriosis (EMS) is a chronic inflammatory disorder with ectopic endometrial tissues arising in extrauterine areas. We investigated the mechanism of adenosine triphosphate (ATP)\/P2X4 regulating inflammation and oxidative stress in EMS.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Normal endometrial tissues and ectopic endometrial tissues were collected, and determined for P2X4 expression by immunohistochemical staining. Normal (nESCs) and ectopic endometrial stromal cells (eESCs) were isolated and manipulated with Apyrase (a soluble ATP\u2010diphosphohydrolase), 5\u2010BDBD (a P2X4 receptor antagonist), or Nigericin (a NOD\u2010like receptor 3 [NLRP3] inflammasome activator). The ATP concentration in endometrial tissues and cells were assessed through the ATP colorimetric\/fluorescence assay, and cellular P2X4 expression was determined by RT\u2010qPCR. Fluo 3\u2010AM calcium ion fluorescence probe was utilized for detecting calcium ion concentration. Levels of inflammation\u2010associated proteins (interleukin [IL]\u20101\u03b2, tumor necrosis factor\u2010alpha [TNF\u2010\u03b1], IL\u20106, IL\u201018), oxidative stress indicators (malondialdehyde [MDA], superoxide dismutase [SOD], catalase [CAT], and glutathione peroxidase [GSH\u2010Px]), reactive oxygen species (ROS), and the NLRP3 inflammasome pathway\u2010related proteins were determined by ELISA, DCFH\u2010DA fluorescent probe, and Western blot.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>ATP and P2X4 were upregulated in EMS. Apyrase or 5\u2010BDBD treatment or P2X4 knockdown reduced the concentration of Ca<jats:sup>2+<\/jats:sup> and levels of IL\u20101\u03b2, TNF\u2010\u03b1, IL\u20106, MDA, and ROS, but increased the activities of SOD, GSH\u2010Px, and CAT in eESCs. Besides, 5\u2010BDBD treatment decreased the expression levels of the NLRP3 inflammasome pathway\u2010related proteins in eESCs and suppressed the secretion of IL\u20101\u03b2 and IL\u201018. Nigericin could reverse the inhibitory impact of 5\u2010BDBD on NLRP3 inflammasome activation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Altogether, ATP\/P2X4 aggravates inflammation and oxidative stress in EMS by activating NLRP3.<\/jats:p><\/jats:sec>","DOI":"10.1111\/aji.70132","type":"journal-article","created":{"date-parts":[[2025,8,15]],"date-time":"2025-08-15T11:45:50Z","timestamp":1755258350000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["ATP\/P2X4 Regulates Inflammation and Oxidative Stress in Endometriosis Through NLRP3 Inflammasome\u2013Dependent Mechanisms"],"prefix":"10.1111","volume":"94","author":[{"given":"Tingting","family":"Wu","sequence":"first","affiliation":[{"name":"4th Department of Gynecology NHC Key Laboratory of Birth Defect for Research and Prevention\uff08Hunan Provincial Maternal and Child Health Care Hospital\uff09 Changsha City Hunan Province China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yan","family":"Guo","sequence":"additional","affiliation":[{"name":"2nd Department of Obstetrics NHC Key Laboratory of Birth Defect for Research and Prevention\uff08Hunan Provincial Maternal and Child Health Care Hospital\uff09 Changsha City Hunan Province China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,8,15]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"crossref","DOI":"10.1136\/bmj-2022-070750","article-title":"Pathophysiology, Diagnosis, and Management of Endometriosis","volume":"379","author":"Horne A. 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