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Construction of p16 Gene Recombinant Expression Vector and Its Antitumorigenic Effects on Human Lung Adenocarcinoma Cells
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Abstract:
p16 gene was a tumor supressor gene found recently. The p16 protein is a negative regulator of cell proliferation . Loss of normal p16 function is associated with the development of neoplasms. To detect antitumorigenic effect of p16 on human lung adenocarcinoma cells, we cloned a p16 cDNA into the pcDNA3 vector at the sites of BamHl and Xho I to gain a p16 gene recombinant expression vector plasmid. We then transferred the p16 gene recombinant plasmid into human lung adenocarcinoma cell line (NCI-H460) by electroporation method. After G418 selection we assessed cell growth properties and cell cycle pattern by flow cytometry to G418-resistant clones of NCI-H460-pl6 and NCI-H460-vect respectively. The results show that human p16 gene could suppress the phenotype of NCI-H460 cell line and p16 gene therapy plays a positive role in human lung adenocarcinoma treatment.
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Clc Number:
R73-36
