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Link to original content: http://pubmed.ncbi.nlm.nih.gov/16425850/
[From gene to disease; MutYH-associated polyposis coli (MAP)] - PubMed Skip to main page content
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Review
. 2005 Dec 31;149(53):2970-2.

[From gene to disease; MutYH-associated polyposis coli (MAP)]

[Article in Dutch]
M Nielsen  1 , M M Weiss, H F A Vasen, F J Hes
Affiliations
  • PMID: 16425850
Review

[From gene to disease; MutYH-associated polyposis coli (MAP)]

[Article in Dutch]
M Nielsen et al. Ned Tijdschr Geneeskd. .

Abstract

MutYH-associated polyposis coli (MAP) is an autosomal recessive inherited form of polyposis and colorectal carcinoma associated with germline mutations in the MutYH gene on chromosome I. The MutYH protein is a base excision repair glycosylase which is involved in the repair of damage caused by the oxidation ofa guanine leading to 8-oxo-7,8-dihydroguanine. If the MutYH protein is dysfunctional, G:C --> T:A mutations in the APC-gene give rise to polyposis and in 50-60% of cases also colorectal carcinoma. MutYH polyposis differs from familial adenomatous polyposis coli in its mode of transmission, later age of onset, a less florid form of polyposis, and fewer extra colonic manifestations.

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