Research Article

Double-Gene Copromoting Expression Analysis in tPA/GH Transgenic Goat Mammary Epithelial Cells and Thrombolytic Activity of tPA In Vitro

Figure 6

Western blotting detection of tPA expression in transgenic monoclonal mammary epithelial cell lines. M: protein molecular weight standard; 1: positive control (tPA standard); 2: negative control (normal nontransgenic cell inducer); 3-6: expression of cell inducer (108#, 90#, 32#, and 15#).