Abstract:
:Germline mutations in genes encoding proteins involved in DNA mismatch repair are responsible for the autosomal dominantly inherited cancer predisposition syndrome hereditary nonpolyposis colorectal cancer (HNPCC). We describe here analysis of hMLH1 and hMSH2 in nine Greek families referred to our centre for HNPCC. A unique disease-causing mutation has been identified in seven out of nine (78%) families. The types of mutations identified are nonsense (five out of seven) (hMLH1: E557X, R226X; hMSH2: Q158X, R359X and R711X), a 2 bp deletion (hMSH2 1704_1705delAG) and a 2.2 kb Alu-mediated deletion encompassing exon 3 of the hMSH2 gene. The majority of mutations identified in this cohort are found in hMSH2 (77.7%). Furthermore, four of the mutations identified are novel. Finally, a number of novel benign variations were observed in both genes. This is the first report of HNPCC analysis in the Greek population, further underscoring the differences observed in the various geographic populations.
journal_name
Br J Cancerjournal_title
British journal of cancerauthors
Apessos A,Mihalatos M,Danielidis I,Kallimanis G,Agnantis NJ,Triantafillidis JK,Fountzilas G,Kosmidis PA,Razis E,Georgoulias VA,Nasioulas Gdoi
10.1038/sj.bjc.6602260subject
Has Abstractpub_date
2005-01-31 00:00:00pages
396-404issue
2eissn
0007-0920issn
1532-1827pii
6602260journal_volume
92pub_type
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journal_title:British journal of cancer
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更新日期:2002-11-04 00:00:00
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pub_type: 杂志文章
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