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Evidence for microRNA-mediated regulation in rheumatic diseases


MicroRNA (miRNA), a group of short non-coding RNA of approximately 20-22 nucleotides modulating the stability and translational efficiency of target messenger RNA, present an important new layer controlling gene expression. Hundreds to a thousand miRNA have been identified and are predicted to regulate at least one-third of protein-coding transcripts in the mammalian genome. This study reviews the recent advances reinforcing the awareness that miRNA are key players in rheumatic diseases by regulating major pathogenic molecules, such as tumour necrosis factor, central signal pathways, such as type I interferon pathway and critical immunoregulatory cells, such as regulatory T cells. In animals, blockade of miRNA maturation by the deletion of Dicer or Drasha, interference with miRNA function by the mutation of Roquin and the altered expression of individual miRNA (miR-146a) or miRNA cluster (miR-17-92) all lead to the development of autoimmune diseases. Growing evidence also reveals the differential expression of certain immunity-regulating miRNA in rheumatoid patients. The features of miRNA-mediated regulation, the direction of future miRNA study in rheumatic diseases and the application of miRNA in diagnosis, therapy and prognosis will also be briefly discussed.

Type Journal
ISBN 1468-2060 (Electronic) 0003-4967 (Linking)
Authors Luo, X.; Tsai, L. M.; Shen, N.; Yu, D.;
Publisher Name ANN RHEUM DIS
Published Date 2010-01-01 00:00:00
Published Volume 69 Suppl 1
Published Pages i30-36
Status Published In-print
OpenAccess Link Luo Ann Rheum Dis_.pdf