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Figure 4 Adenoviral vascular endothelial growth factor (AdVEGF-165) transfection does not alter skeletal myoblast (SKMB) engraftment. (A) Representative lanes from Western blot analyses of 50 µg of protein extract from whole hearts five days after sham operation (n = 3), or transplantation with 1 x 106 SKMB transfected with either AdLuciferase (n = 3) or AdVEGF-165 (n = 4) 18 h before transplantation using antibodies specific to either skeletal myocyte myosin heavy chain (MY-32) or the light chain of cardiac myosin. (B) Quantification of MY-32 bands from Western blot analysis in arbitrary units. Data represent mean ± SD. p = NS SKMB vs. SKMB + AdVEGF-165.