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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/120947
Germline mutations in the spindle assembly checkpoint genes BUB1 and BUB3 are infrequent in familial colorectal cancer and polyposis
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Germline mutations in BUB1 and BUB3 have been reported to increase the risk of developing colorectal cancer (CRC) at young age, in presence of variegated aneuploidy and reminiscent dysmorphic traits of mosaic variegated aneuploidy syndrome. We performed a mutational analysis of BUB1 and BUB3 in 456 uncharacterized mismatch repair-proficient hereditary non-polyposis CRC families and 88 polyposis cases. Four novel or rare germline variants, one splice-site and three missense, were identified in four families. Neither variegated aneuploidy nor dysmorphic traits were observed in carriers. Evident functional effects in the heterozygous form were observed for c.1965-1G>A, but not for c.2296G>A (p.E766K), in spite of the positive co-segregation in the family. BUB1 c.2473C>T (p.P825S) and BUB3 c.77C>T (p.T26I) remained as variants of uncertain significance. As of today, the rarity of functionally relevant mutations identified in familial and/or early onset series does not support the inclusion of BUB1 and BUB3 testing in routine genetic diagnostics of familial CRC.
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MUR, Pilar, DE VOER, Richarda m., OLIVERA-SALGUERO, Rubén, RODRIGUEZ PERALES, Sandra, PONS, Tirso, SETIÉN, Fernando, AIZA, Gemma, VALDÉS MAS, Rafael, BERTINI, Angelo, PINEDA RIU, Marta, VREEDE, Lilian, NAVARRO, Matilde, IGLESIAS CASALS, Sílvia, GONZÁLEZ, Sara, BRUNET, Joan, VALENCIA, Alfonso, ESTELLER, Manel, LÁZARO GARCÍA, Conxi, KOPS, Geert j. p. l., URIOSTE, Miguel, PUENTE, Xose s., CAPELLÁ, G. (gabriel), VALLE VELASCO, Laura. Germline mutations in the spindle assembly checkpoint genes BUB1 and BUB3 are infrequent in familial colorectal cancer and polyposis. _Molecular Cancer_. 2018. Vol. 17, núm. 1, pàgs. 23. [consulta: 18 de febrer de 2026]. ISSN: 1476-4598. [Disponible a: https://hdl.handle.net/2445/120947]