Original Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Jun 14, 2011; 17(22): 2774-2780
Published online Jun 14, 2011. doi: 10.3748/wjg.v17.i22.2774
Figure 3
Figure 3 Representative results of polymerase chain reaction electrophoresis with the DNA extracted from human embryo kidney 293 cells of in vitro infection experiments. C+: Porcine endogenous retrovirus-infected human embryo kidney 293 cells; C-: Pure water. The ladder ranged from 100 to 600 bp. “Hep” and “Nano” meant the incubating supernatant from the simple culture of hepatocytes and the hepatocyte culture on chitosan nanofiber scaffolds. SsCytB: Sus scrofa cytochrome B.