TGF-β–treated SSc fibroblasts demonstrated a significant reduction in TGF-β–induced α-SMA expression ( P = 0.03) and showed a trend toward reduced Col1a1 expression, whereas no reduction in fibrotic gene expression was observed in healthy control fibroblasts ( Supplemental Figure 4 ).
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Thy-1 plays a pathogenic role and is a potential biomarker for skin fibrosis in scleroderma.
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