Figure 1.

Expression of endostatin in HeLa cells using Western blot analysis. Lane 1: HeLa cells were transfected by pShuttle2-endostatin using PEI, lane 2: transfected by pShuttle2-endostatin using TPGS-b-(PCL-ran-PGA)/PEI, lane 3: transfected by pShuttle2 using TPGS-b-(PCL-ran-PGA)/PEI.

Qiu et al. Nanoscale Research Letters 2012 7:666   doi:10.1186/1556-276X-7-666
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