{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T09:30:51Z","timestamp":1771666251333,"version":"3.50.1"},"reference-count":50,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2002,11,24]],"date-time":"2002-11-24T00:00:00Z","timestamp":1038096000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2002,11,24]]},"abstract":"<jats:title>Summary<\/jats:title>\n               <jats:p>Sera from patients suffering from systemic autoimmune diseases such as systemic lupus erythematosus (SLE) and systemic sclerosis (SSc) have been shown to contain reactivities to nuclear components. Autoantibodies specifically targeting nucleolar antigens are found most frequently in patients suffering from SSc or SSc overlap syndromes. We determined the prevalence and clinical significance of autoantibodies directed to nucleolar RNA-protein complexes, the so-called small nucleolar ribonucleoprotein complexes (snoRNPs). A total of 172 patient sera with antinucleolar antibodies were analysed by immunoprecipitation. From 100 of these patients clinical information was obtained by chart review. Autoantibodies directed to snoRNPs were detected not only in patients suffering from SSc and primary Raynaud's phenomenon (RP), but also in patients suffering from SLE, rheumatoid arthritis (RA) and myositis (PM\/DM). Antibodies against box C\/D small snoRNPs can be subdivided in antifibrillarin positive and antifibrillarin negative reactivity. Antifibrillarin-positive patient sera were associated with a poor prognosis in comparison with antifibrillarin negative (reactivity with U3 or U8 snoRNP only) patient sera. Anti-Th\/To autoantibodies were associated with SSc, primary RP and SLE and were found predominantly in patients suffering from decreased co-diffusion and oesophagus motility and xerophthalmia. For the first time autoantibodies that recognize box H\/ACA snoRNPs are described, identifying this class of snoRNPs as a novel autoantigenic activity. Taken together, our data show that antinucleolar patient sera directed to small nucleolar ribonucleoprotein complexes are found frequently in other diseases than SSc and that categorization of diagnoses and clinical manifestations based on autoantibody profiles seems particularly informative in patient sera recognizing box C\/D snoRNPs.<\/jats:p>","DOI":"10.1046\/j.1365-2249.2002.01991.x","type":"journal-article","created":{"date-parts":[[2003,3,11]],"date-time":"2003-03-11T10:34:16Z","timestamp":1047378856000},"page":"532-540","source":"Crossref","is-referenced-by-count":64,"title":["Autoantibodies against small nucleolar ribonucleoprotein complexes and their clinical associations"],"prefix":"10.1093","volume":"130","author":[{"given":"H","family":"VAN EENENNAAM","sequence":"first","affiliation":[{"name":"Department of Biochemistry, University of Nijmegen, Nijmegen, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J H P","family":"VOGELZANGS","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, University of Nijmegen, Nijmegen, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L","family":"BISSCHOPS","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, University Medical Centre St Radboud, Nijmegen, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L C J","family":"TE BOOME","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, University Medical Centre St Radboud, Nijmegen, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"H P","family":"SEELIG","sequence":"additional","affiliation":[{"name":"Institute of Immunology and Molecular Genetics, Karlsruhe, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M","family":"RENZ","sequence":"additional","affiliation":[{"name":"Institute of Immunology and Molecular Genetics, Karlsruhe, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D-J","family":"DE ROOIJ","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, Sint Maartens Hospital Nijmegen, Nijmegen, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R","family":"BROUWER","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, University of Nijmegen, Nijmegen, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"H","family":"PLUK","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, University of Nijmegen, Nijmegen, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G J M","family":"PRUIJN","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, University of Nijmegen, Nijmegen, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"W J","family":"VAN VENROOIJ","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, University of Nijmegen, Nijmegen, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F H J","family":"VAN DEN HOOGEN","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, University Medical Centre St Radboud, Nijmegen, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2002,11,24]]},"reference":[{"key":"2022011221521740900_b1","doi-asserted-by":"crossref","first-page":"257","DOI":"10.1111\/j.1346-8138.1993.tb01389.x","article-title":"Autoantibodies in scleroderma","volume":"20","author":"Fritzler","year":"1993","journal-title":"J Dermatol"},{"key":"2022011221521740900_b2","first-page":"S57","article-title":"Autoantibodies in scleroderma","volume":"7","author":"Pollard","year":"1989","journal-title":"Clin Exp Rheumatol"},{"key":"2022011221521740900_b3","doi-asserted-by":"crossref","first-page":"1431","DOI":"10.1002\/art.1780330917","article-title":"The analysis of antinuclear and antinucleolar autoantibodies of scleroderma by radioimmunoprecipitation assays","volume":"33","author":"Kipnis","year":"1990","journal-title":"Arthritis Rheum"},{"key":"2022011221521740900_b4","first-page":"233","article-title":"Systemic sclerosis: a woman disease","volume":"1","author":"Fimiani","year":"2001","journal-title":"Mod Asp Immunobiol"},{"key":"2022011221521740900_b5","doi-asserted-by":"crossref","first-page":"1151","DOI":"10.1002\/art.1780390712","article-title":"Autoantibodies to fibrillarin in systemic sclerosis (scleroderma). 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