Abstract
The polymerase chain reaction andHaeIII enzymatic digestion were used to study the seventh exon of the p53 gene in 29 primary and recurrent hepatomas in paraffin-embedded samples from 11 patients. The mutation rate of the p53 gene and its geno-types in samples of primary and recurrent tumours and multiple nodules were investigated. The cellular origins of hepatocellular carcinoma were analysed by p53 genotype. p53 mutation rates were found to be 69.0% (20/29) in the primary and recurrent tumours, 58.8% (10/17) in tumours with a single nodule and 83.3% (10/12) in tumours with multiple nodules. The p53 genotypes were found to be different in 6 pairs of primary and recurrent tumours, and another 5 pairs had the same p53 genotypes. The samples with multiple nodules in the same patients had the same p53 geno-types. Seven recurrences were of multicentric origin and four were of unicentric origin. It is suggested that the recurrent lesions developed from both unicentric and multicentric origins.
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Abbreviations
- HCC :
-
hepatocellular carcinoma
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This work was supported partially by China Medical Board Grant 93-583
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He, B., Tang, ZY., Liu, KD. et al. Analysis of the cellular origin of hepatocellular carcinoma by p53 genotype. J Cancer Res Clin Oncol 122, 763–766 (1996). https://doi.org/10.1007/BF01209125
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DOI: https://doi.org/10.1007/BF01209125