The quantification of ACTA2 expression relative to GAPDH (loading control) in control and IPF fibroblasts treated with control or PRRX1 siRNA in presence of TGF-β1 relative to siControl +TGF-β1 condition is displayed as dot plot with median on the right. The gene discussed is TGFB1; the disease is idiopathic pulmonary fibrosis.