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lupus guias

Guia Vannucchi, Danila Covelli, Nicola Currò, Davide Dazzi, Antonia Maffini, Irene Campi, Paola Bonara, Claudio Guastella, Lorenzo Pignataro, Roberto Ratiglia, Paolo Beck-Peccoz, Mario Salvi
INTRODUCTION: B cells are known to play a key role in the pathogenesis of autoimmune disease. B lymphocyte activating factor (BAFF), a member of TNF family, promotes autoantibody production by increasing B cell survival and proliferation. Serum BAFF concentrations have been found to be increased in systemic lupus erythematosus, rheumatoid arthritis, and Sjogren's syndrome. OBJECTIVE: We have measured serum BAFF concentrations in patients with Graves' disease (GD) with or without Graves' orbitopathy (GO) and in active GO in relation to immunosuppressive treatment...
May 2012: Journal of Clinical Endocrinology and Metabolism
Nicolas Schleinitz, Laurent Chiche, Sophie Guia, Gaëlle Bouvier, Julie Vernier, Alexis Morice, Elisabeth Houssaint, Jean Robert Harlé, Gilles Kaplanski, Félix A Montero-Julian, Frédéric Vély
DAP12 is an ITAM-bearing transmembrane adaptor originally identified on the surface of Natural Killer cells. A broad expression among other immune cells was later found in myeloid and lymphoid cells. However, data on DAP12 expression pattern rely only on immunoblot and microarray analysis. Here, we describe the generation and the characterization of an anti-DAP12 monoclonal antibody. Using this novel reagent, we show that DAP12 expression is restricted to innate immune cells in basal condition. Since a decreased expression of DAP12 has been suggested in NK cells of systemic lupus erythematosus patients, we have further investigated the NK cell receptor repertoire and leukocyte expression of DAP12 in these patients and no major changes were detectable when compared to controls...
2009: PloS One
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