Gene discovery in rheumatoid arthritis highlights the CD40/NF-ĸB signaling pathway in disease pathogenesis
Lindsey A. Criswell,
Lindsey A. Criswell
Rosalind Russell Medical Research Center for Arthritis, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA.
Search for more papers by this authorLindsey A. Criswell,
Lindsey A. Criswell
Rosalind Russell Medical Research Center for Arthritis, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA.
Search for more papers by this authorLindsey A. Criswell
Department of MedicineRosalind Russell Medical Research Center for ArthritisUniversity of California, San FranciscoSan Francisco, CA 94143, USATel.: +1 415 476-9026Fax: +1 415 476-9370e-mail: [email protected]
Abstract
Summary: During the past several years, substantial progress has been made in the identification of genetic variants that predispose to rheumatoid arthritis (RA) and other autoimmune disorders. Progress in this area has been facilitated by the availability of new technology that allows for a much more comprehensive screen of the genome than was possible before, in conjunction with large samples of RA patients with well-characterized disease. Recent RA genetic studies have identified genes with important functions related to intracellular signaling mechanisms, transcription factors, cytokines, membrane receptors, costimulatory molecules, and enzymes. In particular, recent discoveries highlight the importance of the CD40/NF-κB signaling pathway in RA, based on genetic association with several genes relevant to this pathway, including CD40, TRAF1, TNFAIP3, and REL. Progress in the identification of genes that contribute to RA is proceeding at a very rapid pace. These genetic discoveries shed light on underlying disease mechanisms in RA and provide targets for the development of novel diagnostic and therapeutic tools for future use in this chronic inflammatory disorder.
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