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Functional implications of the p.Cys680Arg mutation in the MLH1 mismatch repair protein

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In clinical genetic diagnostics, it is difficult to predict whether genetic mutations that do not greatly alter the primary sequence of the encoded protein causing unknown functional effects on cognate proteins lead to development of disease. Here, we report the clinical identification of c.2038 T>C missense mutation in exon 18 of the human MLH1 gene and biochemically characterization of the p.Cys680Arg mutant MLH1 protein to implicate it in the pathogenicity of the Lynch syndrome (LS). We show that the mutation is deficient in DNA mismatch repair and, therefore, contributing to LS in the carriers.

OriginalsprogEngelsk
TidsskriftMolecular Genetics & Genomic Medicine
Vol/bind2
Udgave nummer4
Sider (fra-til)352-355
Antal sider4
ISSN2324-9269
DOI
StatusUdgivet - jul. 2014

ID: 137742046