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"Structure of the human MSH2 locus and analysis of two Muir-Torre kindreds for msh2 mutations."

Kolodner RD, Hall NR, Lipford J, Kane MF, Rao MR, Morrison P, Wirth L, Finan PJ, Burn J, Chapman P



Published Dec. 1, 1994 in Genomics volume 24 .

Pubmed ID: 7713503

Abstract:
Hereditary nonpolyposis colorectal carcinoma (HNPCC) is a major cancer susceptibility syndrome known to be caused by inheritance of mutations in genes such as hMSH2 and hMLH1, which encode components of a DNA mismatch repair system. The MSH2 genomic locus has been cloned and shown to cover approximately 73 kb of genomic DNA and to contain 16 exons. The sequence of all the intron-exon junctions has been determined and used to develop methods for analyzing each MSH2 exon for mutations. These methods have been used to analyze two large HNPCC kindreds exhibiting features of the Muir-Torre syndrome and demonstrate that cancer susceptibility is due to the inheritance of a frameshift mutation in the MSH2 gene in one family and a nonsense mutation in the MSH2 gene in the other family.


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Last modification of this entry: Oct. 6, 2010

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