Mutagenesis, Vol. 15, No. 1, 57-60,
January 2000
© 2000 UK Environmental Mutagen Society/Oxford University Press
p53 intron 7 polymorphisms in urinary bladder cancer patients and controls
Department of Biosciences at NOVUM, Karolinska Institutet, 141 57 Huddinge and 1 Clinical Epidemiology, Department of OncologyPathology, Karolinska Hospital, 171 76 Stockholm, Sweden
A C
T polymorphism in intron 7 of the human tumour suppressor gene p53 was studied in 159 urinary bladder cancer patients and 171 non-cancer controls. The polymorphism was found in 15% of both patients and controls, suggesting that it has no relevance in urinary bladder cancer pathogenesis or aetiology. A second polymorphism, a T
G change located 20 bp downstream of the C
T change, was found in all samples with the C
T change. Our findings indicate that the C
T and the T
G changes occur simultaneously and belong to the same allelotype.
2 To whom correspondence should be addressed. Tel: +46 8 608 92 38; Fax: +46 8 608 15 01; Email: petra.berggren{at}cnt.ki.se
3 The Stockholm Bladder Cancer Group consists of Jan Adolfsson, Eric Borgström, Johan Hansson, Ulf Norming, Gunnar Steineck and Hans Wijkström
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