Abstract:
:Clinical and experimental evidence is consistent with a key role for transforming human papilloma viruses (HPVs) in the aetiology of anogenital carcinoma. Cervical carcinoma does, however, occasionally occur in the absence of HPV sequences (Riou et al., 1990). We have used a direct cDNA/PCR sequencing protocol to analyse the sequence of p53 mRNA expressed by HPV positive and negative cervical carcinoma cell lines. Six cell lines which contain HPV sequences express p53 mRNA which has wild-type sequence throughout conserved boxes 2, 3, 4 and 5. The two HPV negative cell lines (C33a and HT3) express mutant p53 mRNA. In each case the mutation occurs in an evolutionarily conserved amino acid. Our data suggest that loss of wild-type p53 function is important in development of cervical carcinoma, and that this might be achieved either by mutation within the p53 gene or the presence of a virally encoded p53 binding protein.
journal_name
Oncogenejournal_title
Oncogeneauthors
Crook T,Wrede D,Vousden KHsubject
Has Abstractpub_date
1991-05-01 00:00:00pages
873-5issue
5eissn
0950-9232issn
1476-5594journal_volume
6pub_type
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