{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T11:07:37Z","timestamp":1780398457601,"version":"3.54.1"},"reference-count":21,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,1,29]],"date-time":"2021-01-29T00:00:00Z","timestamp":1611878400000},"content-version":"vor","delay-in-days":28,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"The Second Hospital of Anhui Medical University"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Mediators of Inflammation"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:p><jats:italic>Objective<\/jats:italic>. Intrauterine adhesions affect menstruation and fertility, and endometrial fibrosis is the final manifestation of IUA. MMP\u20109 is closely related to fibrosis. The purpose of the study was to assess the role of MMP\u20109 in intrauterine adhesion (IUA) in rats and patients. <jats:italic>Methods<\/jats:italic>. 40 rats and 24 women were enrolled in this study. 40 rats were randomly divided into 3 groups: IUA group (<jats:italic>n<\/jats:italic> = 20), sham group (<jats:italic>n<\/jats:italic> = 10), and control group (<jats:italic>n<\/jats:italic> = 10). Rat IUA models were established by intrauterine mechanical and chemical injured. In this study, 12 patients of intrauterine adhesions were detected and underwent TCRA (transcervical resection of adhesion) surgery, and endometrial tissue specimens were obtained during operation. One month later, an office hysteroscopy procedure was performed, and endometrial tissue specimens were obtained during operation again (postoperative group). A group of 12 normal age\u2010matched control individuals served as controls underwent hysteroscopy and endometrial sampling. We used immunohistochemistry to detect MMP\u20109 expressions in rats and human endometrial tissues and to detect MMP\u20109 protein levels by Western blotting. In addition, we detected mRNA expression levels with qRT\u2010PCR. <jats:italic>Results<\/jats:italic>. The expression of MMP\u20109 in the IUA rats was reduced compared with that in the sham group and Ctrl group (<jats:italic>P<\/jats:italic> &lt; 0.05), and the expression of MMP\u20109 was also reduced in the IUA patients compared with that in the Ctrl group (<jats:italic>P<\/jats:italic> &lt; 0.05). The mRNA levels of MMP\u20109 in the endometrium reflected similar results (<jats:italic>P<\/jats:italic> &lt; 0.05). The MMP\u20109 clearly increased even in the endometrium after TCRA surgery (<jats:italic>P<\/jats:italic> &lt; 0.05). <jats:italic>Conclusion<\/jats:italic>. Our study suggests that MMP\u20109 may play an important role in IUA. In the future, more in\u2010depth research should be conducted on MMP\u20109.<\/jats:p>","DOI":"10.1155\/2021\/6676510","type":"journal-article","created":{"date-parts":[[2021,1,29]],"date-time":"2021-01-29T20:35:06Z","timestamp":1611952506000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Expression and Potential Role of MMP\u20109 in Intrauterine Adhesion"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0765-9209","authenticated-orcid":false,"given":"Congqing","family":"Li","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenyan","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shiying","family":"Sun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Youjiang","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ziang","family":"Fang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lin","family":"Cong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,1,29]]},"reference":[{"key":"e_1_2_11_1_2","first-page":"1337","article-title":"Fall von volligenSchwund der GebaumutterhohlenachAuskratzung","volume":"18","author":"Fritsch H. 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