Expression of the DNA mismatch repair proteins hMLH1 and hPMS2 in normal human tissues. |
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| Authors: | D Fink S Nebel S Aebi H Zheng H K Kim R D Christen and S B Howell |
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| Institution: | Department of Medicine and the Cancer Center, University of California, San Diego, La Jolla 92093-0058, USA. |
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| Abstract: | hMLH1 and hPMS2 are part of the DNA mismatch repair complex. Mutations in these genes have been linked to hereditary non-polyposis colon cancer; they also occur in a variety of sporadic cancers. Western blot analysis and immunohistochemistry demonstrated that hMLH1 and hPMS2 are widely expressed nuclear proteins with a distribution pattern very similar to that previously described for hMSH2. These observations showing similar localization of hMLH1 and hPMS2 with hMSH2 are consistent with the biochemical function of these proteins in DNA mismatch repair. |
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