{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T06:47:25Z","timestamp":1769755645308,"version":"3.49.0"},"reference-count":54,"publisher":"Public Library of Science (PLoS)","issue":"8","license":[{"start":{"date-parts":[[2022,8,25]],"date-time":"2022-08-25T00:00:00Z","timestamp":1661385600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000072","name":"National Institute of Dental and Craniofacial Research","doi-asserted-by":"publisher","award":["U24DE026915 and U24DE029462"],"award-info":[{"award-number":["U24DE026915 and U24DE029462"]}],"id":[{"id":"10.13039\/100000072","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:p>Temporomandibular joint (TMJ) Meniscus removal is an option for the patient to regain full range of motion if the disc is irreversibly damaged or unable to be reduced. However, this procedure leaves the joint vulnerable to condylar remodeling and degeneration. We have shown that extracellular matrix (ECM) scaffolds remodel into a tissue with near native TMJ meniscus in previous studies. The next step towards clinical translation is to manufacture the ECM scaffold as a device under good manufacturing practices (GMP) and test it in a pre-clinical animal study under good laboratory practices (GLP). The primary objective of this study was to evaluate the in-vivo histopathological response to a Prototype GMP manufactured device made of decellularized porcine small intestinal submucosa (SIS), by observing for signs of surrounding tissue reaction to the device that are indicative of an adverse host response in comparison to an empty control at 21 days post-surgical implantation in a canine TMJ meniscus removal and implant model in a GLP setting. The conclusive findings were that the ECM device is safe for placement in the TMJ. After 21 days post implantation, histology of tissue surrounding the device and draining lymph nodes showed that the Prototype GMP device had no negative effects compared to the empty site (as evaluated by the board-certified veterinary pathologist). Furthermore, there was a lack of negative findings for clinical pathology (hematology and clinical chemistry), mortality, and body weight\/weight change. Future studies will go to one year after implantation to show that the remodel device remains as a viable tissue with near native mechanical properties.<\/jats:p>","DOI":"10.1371\/journal.pone.0273336","type":"journal-article","created":{"date-parts":[[2022,8,25]],"date-time":"2022-08-25T17:35:58Z","timestamp":1661448958000},"page":"e0273336","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":11,"title":["Decellularized small intestine submucosa device for temporomandibular joint meniscus repair: Acute timepoint safety study"],"prefix":"10.1371","volume":"17","author":[{"given":"William L.","family":"Chung","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bryan N.","family":"Brown","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4602-9258","authenticated-orcid":true,"given":"Alejandro J.","family":"Almarza","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"340","published-online":{"date-parts":[[2022,8,25]]},"reference":[{"key":"pone.0273336.ref001","article-title":"Washington (DC)","author":"O Yost","year":"2020"},{"key":"pone.0273336.ref002","first-page":"93","article-title":"TMJ Disc Displacement without Reduction Management: A Systematic Review","author":"M Al-Baghdadi","year":"2014","journal-title":"J Dent Res"},{"key":"pone.0273336.ref003","first-page":"167","volume-title":"Internal Derangements of the Temporomandibular Joint","author":"MF Dolwick","year":"1983"},{"issue":"6","key":"pone.0273336.ref004","doi-asserted-by":"crossref","first-page":"705","DOI":"10.14219\/jada.archive.2003.0256","article-title":"Magnetic resonance imaging predictors of temporomandibular joint pain","volume":"134","author":"R Emshoff","year":"2003","journal-title":"J Am Dent Assoc"},{"issue":"5","key":"pone.0273336.ref005","doi-asserted-by":"crossref","first-page":"489","DOI":"10.1016\/j.oooo.2015.01.020","article-title":"Treating temporomandibular disorders with permanent mandibular repositioning: is it medically necessary?","volume":"119","author":"CS Greene","year":"2015","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol"},{"issue":"Suppl 3","key":"pone.0273336.ref006","doi-asserted-by":"crossref","first-page":"127","DOI":"10.1111\/j.1600-0501.2007.01445.x","article-title":"In patients with temporomandibular disorders, do particular interventions influence oral health-related quality of life? 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