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Antibodies against specific extractable nuclear antigens (ENAs) as diagnostic and prognostic tools and inducers of a profibrotic phenotype in cultured human skin fibroblasts: are they functional? This study suggests a pathogenic role of scleroderma-specific autoantibodies to directly induce pro-fibrotic activation in human dermal fibroblasts. PubMed, Arthritis Res Ther, 2019 Jun 24;21(1):152. (Also see Fibroblasts and Antibodies) This item was posted in the ISN Newsroom. Please check the newsroom daily for updates on scleroderma and other related articles.