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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

hMLH1, hMSH2 and hMSH6 mutations in hereditary non-polyposis colorectal cancer families from southern Sweden.

We have screened 17 Southern Sweden individuals/families with suspected hereditary non-polyposis colorectal cancer (HNPCC) for mutations in the DNA-mismatch repair genes hMLH1, hMSH2 and hMSH6 using denaturing gradient gel electrophoresis, protein truncation test and direct DNA sequencing. The families were selected on the basis of a family history of HNPCC-related tumors or the occurrence of metachronous colorectal cancer/endometrial cancer at young age in an individual with a weak family history of cancer. Furthermore, we required that tumor tissue from at least one individual in the family had to display microsatellite instability. We identified germ-line mutations in 9 individuals from 8 families. Five families had mutations in hMLH1, 4 of which were splice site mutations, 2 had frameshift mutations in hMSH2 and 1 patient with metachronous endometrial and rectal cancer but with a weak family history of cancer had a nonsense mutation in hMSH6. Our results present novel germ-line DNA-repair gene mutations, one of these in hMSH6, and demonstrate the diversified mutation spectrum in Sweden, where no founder mutation has so far been identified.[1]

References

  1. hMLH1, hMSH2 and hMSH6 mutations in hereditary non-polyposis colorectal cancer families from southern Sweden. Planck, M., Koul, A., Fernebro, E., Borg, A., Kristoffersson, U., Olsson, H., Wenngren, E., Mangell, P., Nilbert, M. Int. J. Cancer (1999) [Pubmed]
 
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