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To clarify the modifying effect of the codon 72 p53 polymorphism on hepatocellular carcinoma (HCC) stratified by chronic hepatitis B virus (HBV) infection status, 111 incident cases of HCC and 424 controls in HBV-negative subjects and 135 cases and 125 controls in HBV-positive subjects were identified. No correlation between the polymorphism and HCC risk was found when comparing the HBV-positive cases...
When comparing SV40 T antigen-transformed human fibroblasts of a younger generation (24 population doubling) and aging stage (58 population doubling), we found that detachment of cells from the culture surface occurred more frequently in aging cells. DNA fragmentation and chromatin condensation which are typical findings of apoptosis occurred more frequently in aging cells as compared to cells of...
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