Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/52326
Título: Association of MUTYH and MSH6 germline mutations in colorectal cancer patients
Autores/as: Giráldez, María Dolores
Balaguer, Francesc
Caldés, Trinidad
Sanchez-De-Abajo, Ana 
Gómez-Fernández, Nuria
Ruiz-Ponte, Clara
Muñoz, Jenifer
Garre, Pilar
Gonzalo, Victoria
Moreira, Leticia
Ocaña, Teresa
Clofent, Joan
Carracedo, Angel
Andreu, Montserrat
Jover, Rodrigo
Llor, Xavier
Castells, Antoni
Castellví-Bel, Sergi
Clasificación UNESCO: 32 Ciencias médicas
320713 Oncología
Palabras clave: Colorectal cancer
Base excision repair
MSH6
MUYH
MUTYH, et al.
Fecha de publicación: 2009
Publicación seriada: Familial Cancer 
Resumen: Colorectal cancer (CRC) risk associated with germline monoallelic MUTYH mutations remains controversial, although a slightly increased risk for this disease has been suggested. MUTYH and MSH6 proteins act in cooperation during the DNA repair process. Based on this interaction, it was hypothesized that the combination of heterozygote germline mutations in both genes could result in an increased CRC risk. To further clarify the interaction between MUTYH and MSH6, we analyzed the prevalence of MSH6 mutations in a cohort of CRC patients and controls previously tested for MUTYH mutations: CRC patients with and without a monoallelic MUTYH mutation (group I, n = 26; group II, n = 50, respectively), and healthy carriers with a monoallelic MUTYH mutation (group III, n = 21). In group I, we found three patients (11.5%) with MSH6 mutations, a missense mutation (p.R635G), a change in the 3'UTR region (c.*4098A > C) and a nonsense mutation (p.Q982X). In group II and III, no mutations were detected. In CRC patients, MSH6 mutations were more frequently found in MUTYH mutation carriers than in noncarriers (11.5% vs. 0%, P = 0.037). CRC patients carrying monoallelic MUTYH mutations harbor more frequently concomitant MSH6 mutations than patients without them, thus suggesting that both genes could act cooperatively and confer together an increased CRC risk.
URI: http://hdl.handle.net/10553/52326
ISSN: 1389-9600
DOI: 10.1007/s10689-009-9282-4
Fuente: Familial Cancer[ISSN 1389-9600],v. 8(4), p. 525-531 (Agosto 2009)
Colección:Artículos
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