Figure 4.
C40-tPEG-Ex4-Cys (PEG-Ex4) stimulates angiogenesis in post MI failing hearts. A and C, CD31 staining. B and D, α-smooth muscle actin staining. *P < 0.05 vs. MI, **P < 0.01 vs. MI; &P < 0.05 vs. Ex4-P1, &&P < 0.01 vs. Ex4-P1.
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