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A, Representative immunoblot of PDGFR-β immunoprecipitated with different control or SSc IgG samples, or with a commercially available PDGFR-β antibody (P). The whole cell extract (WCE) was loaded in the far right lane. B, Average densitometric analysis of immunoblots from two separate experiments. C, Comparison of mean band intensities for control and SSc samples. * p = 0.0358.
