{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T14:47:32Z","timestamp":1781102852583,"version":"3.54.1"},"reference-count":37,"publisher":"National Academy of Sciences","issue":"39","content-domain":{"domain":["www.pnas.org"],"crossmark-restriction":true},"short-container-title":["Proc. Natl. Acad. Sci. U.S.A."],"published-print":{"date-parts":[[2006,9,26]]},"abstract":"<jats:p>\n                    Genetic susceptibility to rheumatoid arthritis (RA) is associated with certain MHC class II molecules. To clarify the role of these determinants in RA, we generated the D1CC transgenic mouse that expressed genes involved in antigen processing and presentation by the MHC class II pathway in joints. The class II transactivator, which was transcribed from the rat collagen type II promoter and enhancer, directed the expression of these genes. In D1CC mice congenic for the H-2\n                    <jats:sup>q<\/jats:sup>\n                    (DBA\/1) background, small amounts of bovine collagen type II in adjuvant induced reproducibly an inflammatory arthritis resembling RA. Importantly, these stimuli had no effect in DBA\/1 mice. Eighty-nine percent of D1CC mice developed chronic disease with joint swelling, redness, and heat in association with synovial proliferation as well as pannus formation and mononuclear infiltration of synovial membranes. Granulomatous lesions resembling rheumatoid nodules and interstitial pneumonitis also were observed. As in patients with RA, anticyclic citrullinated peptide antibodies were detected during the inflammatory stage. Finally, joints in D1CC mice displayed juxtaarticular demineralization, severe joint space narrowing, and erosions, which led to ankylosis, but without the appearance of osteophytes. Thus, aberrant expression of MHC class II in joints facilitates the development of severe erosive inflammatory polyarthritis, which is very similar to RA.\n                  <\/jats:p>","DOI":"10.1073\/pnas.0606450103","type":"journal-article","created":{"date-parts":[[2006,9,15]],"date-time":"2006-09-15T20:41:26Z","timestamp":1158352886000},"page":"14465-14470","update-policy":"https:\/\/doi.org\/10.1073\/pnas.cm10313","source":"Crossref","is-referenced-by-count":37,"title":["Aberrant MHC class II expression in mouse joints leads to arthritis with extraarticular manifestations similar to rheumatoid arthritis"],"prefix":"10.1073","volume":"103","author":[{"given":"Satoshi","family":"Kanazawa","sequence":"first","affiliation":[{"name":"Departments of Molecular and Cellular Biology and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shusuke","family":"Ota","sequence":"additional","affiliation":[{"name":"Departments of Molecular and Cellular Biology and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chiyoko","family":"Sekine","sequence":"additional","affiliation":[{"name":"Research Unit for Clinical Immunology, Riken Research Center for Allergy and Immunology, Tokyo 230-0045, Japan;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toyohiro","family":"Tada","sequence":"additional","affiliation":[{"name":"Department of Pathology, Nagoya City University Graduate School of Nursing, Nagoya 467-8601, Japan;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takanobu","family":"Otsuka","sequence":"additional","affiliation":[{"name":"Musculoskeletal Medicine, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Nagoya 467-8601, Japan;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Okamoto","sequence":"additional","affiliation":[{"name":"Departments of Molecular and Cellular Biology and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Grete","family":"S\u00f8nderstrup","sequence":"additional","affiliation":[{"name":"Departments of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305-5124; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B. Matija","family":"Peterlin","sequence":"additional","affiliation":[{"name":"Rosalind Russell Medical Research Center, Departments of Medicine, Microbiology, and Immunology, University of California, San Francisco, CA 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