【摘 要】
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Objective:To investigate the silencing effects of recombinant adenovirus Ad-shRNA-MK on midkine(MK) gene in pancreatic cancer cells. Methods:Ad-shRNA-MK was use
【出 处】
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Journal of Nanjing Medical University
论文部分内容阅读
Objective:To investigate the silencing effects of recombinant adenovirus Ad-shRNA-MK on midkine(MK) gene in pancreatic cancer cells. Methods:Ad-shRNA-MK was used to infect pancreatic cancer BxPC-3 cells. Assays were conducted for knockdown of the MK gene on the day of infection and on the 1st, 3rd, 5th, 7th, and 9th days post-infection by using immunocytochemistry, real-time RT-PCR, and Western blot analysis. Results:The adenoviral Ad-shRNA-PTN was constructed successfully, and infection was confirmed by electron microscopic observation. By using real-time RT-PCR, the inhibition rates of MK mRNA expression in the BxPC-3 cells were 20%, 80%, 55%, and 23% on the 1st, 3rd, 5th, and 7th days post-infection. Immunocytochemistry and Western blot analysis confirmed this effect at the gene product level. Conclusion:Efficient and specific knockdown of MK in pancreatic cancer cells by adenoviral Ad-shRNA-PTN is a potentially powerful tool for the study of gene therapy of pancreatic cancer nerve infiltration.
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