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Overexpression of the normal p53 protein in tumor cell lines is known to induce apoptosis and a potential mediator of this response is the apoptotic inducer, Bax. The expression of Bax mRNA products were investigated in the ECV-304 endothelial cell tumor line and primary human umbilical vein endothelial cells (HUVEC) that were induced to overexpress the p53 protein. Induction of p53 in ECV-304 and...
The natural metabolic byproduct of estradiol, 2-methoxyestradiol (2-MeOE2), induces apoptosis in human lung cancer cells by a p53-dependent mechanism. The expression of wild-type p53 isoforms was investigated in H1299 non-small cell lung carcinoma cells induced into apoptosis by 2-MeOE2. H1299 cells lack endogenous p53 and undergo predominantly a G1 arrest when infected with a recombinant wild-type...
Transfection of the wild-type p53 gene into an immortalized human endothelial cell line (ECV-304) by recombinant adenoviral delivery resulted in high level expression of the wild-type p53 protein and induction of apoptosis. Increases in the number of apoptotic cells were observed within 12 h after infection of ECV-304 cells with recombinant p53 adenovirus, as determined by the appearance of internucleosomal...
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