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      Association between HLA-DRB1*15 and Japanese Patients with Rheumatoid Arthritis Complicated by Renal Involvement

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          Abstract

          We performed serological phenotyping of HLA antigens in 175 patients with rheumatoid arthritis (RA) with (n = 41) and without (n = 134) renal involvement (RI), and DNA typing of HLA class II alleles in 75 patients. Among the patients with RA, the frequency of serologically determined HLA-DR4 was found to be significantly increased (odds ratio: 1.8, confidence interval: 1.3–2.5, p = 2.4×10<sup>–4</sup>). In the patients without RI, the frequency of serological DR4 significantly increased (odds ratio: 2.2, confidence interval: 1.6–3.3, p = 2.6×10<sup>–5</sup>). On the other hand, among the patients with RI, a serological determinant, DR15, did significantly increase (odds ratio: 2.7, confidence interval: 0.9–8.4, p = 1.2×10<sup>–3</sup>) in comparison to the controls. At the DNA level, we found that the association of Japanese RA patients with serological HLA-DR4 was based on that with a genotype of HLA-DRB1*0405 (odds ratio: 2.4, confidence interval: 1.5–4.0, p = 4.4×10<sup>–4</sup>) and also found an association of HLA-DRB1*1501 (odds ratio: 2.8, confidence interval: 1.2–6.6, p = 0.017) with RA patients having RI. Our results confirmed the association of HLA-DRB1*04 with RA over the ethnic barrier at the DNA level. Our results also suggested a distinct genetic effect of HLA-DRB1*1501 in the aspect of the susceptibility of RI in RA.

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          Dw subtypes of DR4 in rheumatoid arthritis: Evidence for a preferential association with Dw4

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            Author and article information

            Journal
            NEF
            Nephron
            10.1159/issn.1660-8151
            Nephron
            S. Karger AG
            1660-8151
            2235-3186
            1999
            1999
            10 February 1999
            : 81
            : 2
            : 165-171
            Affiliations
            Kidney Center, Fukuoka University Hospital, Fukuoka, Japan
            Article
            45273 Nephron 1999;81:165–171
            10.1159/000045273
            9933752
            © 1999 S. Karger AG, Basel

            Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

            Page count
            Tables: 4, References: 63, Pages: 7
            Product
            Self URI (application/pdf): https://www.karger.com/Article/Pdf/45273
            Categories
            Original Paper

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