tailieunhanh - Báo cáo y học: "Skewed distribution of proinflammatory CD4+CD28null T cells in rheumatoid arthritis"

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài: Skewed distribution of proinflammatory CD4+CD28null T cells in rheumatoid arthritis. | Available online http content 9 5 R87 Research article Skewed distribution of proinflammatory CD4 CD28nul1 T cells in rheumatoid arthritis Andreas ER Fasth1 Omri Snir1 Anna AT Johansson1 Birgitta Nordmark1 Afsar Rahbar2 Erik af Klint1 Niklas K Bjorkstrom3 Ann-Kristin Ulfgren1 Ronald F van Vollenhoven1 Vivianne Malmstrom1 and Christina Trollmo1 Open Access Rheumatology Unit Department of Medicine Karolinska Institutet Karolinska University Hospital Stockholm Sweden 2Department of Medicine Center for Molecular Medicine Karolinska Institutet Karolinska University Hospital Stockholm Sweden 3Center for Infectious Medicine Department of Medicine Karolinska Institutet Karolinska University Hospital Huddinge Stockholm Sweden Contributed equally Corresponding author Vivianne Malmstrom Received 24 Jun 2007 Revisions requested 31 Jul 2007 Revisions received 23 Aug 2007 Accepted 7 Sep 2007 Published 7 Sep 2007 Arthritis Research Therapy 2007 9 R87 doi ar2286 This article is online at http content 9 5 R87 2007 Fasth et al. licensee BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Expanded populations of CD4 T cells lacking the costimulatory molecule CD28 CD4 CD28nuH T cells have been reported in several inflammatory disorders. In rheumatoid arthritis increased frequencies of CD4 CD28nuH T cells in peripheral blood have previously been associated with extra-articular manifestations and human cytomegalovirus HCMV infection but their presence in and contribution to joint manifestations is not clear. In the present article we investigated the distribution of CD4 CD28nuH T cells in the synovial membrane synovial fluid and peripheral blood of RA patients and .

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