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(A) Northern blot analyses of integrin subunit mRNAs in human dermal microvascular EC stimulated with VEGF (20 ng/ml) for up to 24 h. Ten micrograms of total cellular RNA was loaded in each well. (B) Densitometric quantitation of Northern blot analyses. The signal associated with each integrin mRNA was normalized to the internal β-actin mRNA standard to adjust for minor differences in RNA loading.
