{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T14:36:58Z","timestamp":1784039818197,"version":"3.55.0"},"reference-count":35,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2020,8,4]],"date-time":"2020-08-04T00:00:00Z","timestamp":1596499200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Oral Diseases"],"published-print":{"date-parts":[[2020,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>Excessive mechanical stress is assumed to be a major cause of temporomandibular joint (TMJ) osteoarthritis (OA). +Focal adhesion kinase (FAK) is a cytoplasmic non\u2010receptor tyrosine kinase involved in a variety of signaling pathways. Little has been reported on the function of FAK in TMJ\u2010OA. In the present study, we investigated the effect of FAK inhibition on TMJ cartilage under excessive mechanical loading stress.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Articular cartilage explants were harvested from the TMJ of rats and subjected to mechanical loading in the presence of an FAK inhibitor in organ culture. The gene expression of inflammatory cytokines was examined after the application of mechanical loading with or without FAK inhibitor. Paraffin\u2010embedded sections of articular cartilage were stained with hematoxylin and eosin, safranin O and fast Green, toluidine blue, TUNEL staining, and immunohistochemical staining and was performed to investigate the protein expression of IL\u20101\u03b2 and MMP\u201013.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Treatment with FAK inhibitor reduced the gene expression of inflammatory cytokines and inhibited the degradation of articular cartilage, as determined histologically. FAK inhibitor treatment also suppressed the protein expression of IL\u20101\u03b2 and MMP\u201013 in the hypertrophic zone, as determined immunohistologically.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Treatment with FAK inhibitor suppresses inflammation and protects condylar cartilage under excessive mechanical loading.<\/jats:p><\/jats:sec>","DOI":"10.1111\/odi.13494","type":"journal-article","created":{"date-parts":[[2020,6,19]],"date-time":"2020-06-19T02:20:50Z","timestamp":1592533250000},"page":"1736-1746","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["FAK inhibition protects condylar cartilage under excessive mechanical stress"],"prefix":"10.1111","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2741-5380","authenticated-orcid":false,"given":"Makoto","family":"Yanoshita","sequence":"first","affiliation":[{"name":"Department of Orthodontics and Craniofacial 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