Article
Further evidence for heritability of an epimutation in one of 12 cases with MLH1 promoter methylation in blood cells clinically displaying HNPCC.
European journal of human genetics : EJHG - 1 Jul 2008
Morak Monika, Schackert Hans Konrad, Rahner Nils, Betz Beate, Ebert Matthias, Walldorf Constanze, Royer-Pokora Brigitte, Schulmann Karsten, von Knebel-Doeberitz Magnus, Dietmaier Wolfgang, Keller Gisela, Kerker Brigitte, Leitner Gertraud, Holinski-Feder Elke
Abstract excerpt
Germline mutations in mismatch repair (MMR) genes, tumours with high microsatellite instability (MSI-H) and loss of MMR protein expression are the hallmarks of HNPCC (Lynch syndrome). While somatic MLH1 promoter hypermethylation is generally accepted in the tumorigenesis of sporadic tumours, abnormal MLH1 promoter methylation in normal body cells is controversially discussed as a mechanism predisposing patients...
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