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Change in expression of PDGFRβ in PAH lungs. Expression of PDGFRβ in lung homogenates from patients with PAH (n = 4) and healthy donors (n = 4) and densitometric quantification of the signal intensity. Western blot analysis was performed with anti-PDGFRβ antibody. The specific antibody recognizes protein at a molecular weight of ∼185 kDa. Quantification of PDGFRβ is shown in the bar graph.
