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(A to C) mRNA and protein levels of integrin β1 molecules were analyzed by qRT-PCR and western blot analysis as described in the methods. (Each column represents the mean ± SD of three independent experiments; *P<0.05 vs. control; ▴P<0.05 vs. hypoxia/SD). (D) Expression levels of integrin β1 on the MSCs surfacewere analyzed by immunofluorescence assay.
