EGFP alone failed to transduce into human aortic smooth muscle cells, whereas PEP-1-EGFP fusion protein could transduce into them and distributed in cytoplasm and nucleus after 1h incubation.

• EGFP蛋白不能进入细胞内,PEP-1-EGFP融合蛋白和人平滑肌细胞共同孵育1h后可见有明亮绿色荧光分布于胞浆和胞核。