Mutant cohesin drives chromosomal instability in early colorectal adenomas

Francesco Cucco, Adele Servadio, Veronica Gatti, Paolo Bianchi, Linda Mannini, Andrea Prodosmo, Elisa De Vitis, Gianluca Basso, Alessandro Friuli, Luigi Laghi, Silvia Soddu, Gabriella Fontanini, Antonio Musio

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Chromosome missegregation leads to chromosomal instability, thought to play a role in cancer development. As cohesin functions in guaranteeing correct chromosome segregation, increasing data suggests its involvement in tumorigenesis. In a screen of a large series of early colorectal adenomas, a precocious step during colorectal tumorigenesis, we identified eleven mutations in SMC1A core cohesin subunit. In addition, we sequenced the SMC1A gene in colorectal carcinomas and we found only one mutation. Finally, the transfection of the SMC1A mutations identified in early adenomas and wild-type SMC1A gene silencing in normal human fibroblasts led to chromosomal instability. Our findings that SMC1A mutations decrease from early adenomas to colorectal cancers and that mutations lead to chromosomal instability suggest that mutant cohesin could play a pivotal role during colorectal cancer development.

Original languageEnglish
Pages (from-to)6773-6778
Number of pages6
JournalHuman Molecular Genetics
Volume23
Issue number25
DOIs
Publication statusPublished - 2014

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Chromosomal Instability
Adenoma
Mutation
Colorectal Neoplasms
Carcinogenesis
Chromosome Segregation
Gene Silencing
Transfection
Fibroblasts
Chromosomes
cohesins
Genes
Neoplasms

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)
  • Molecular Biology
  • Medicine(all)

Cite this

Cucco, F., Servadio, A., Gatti, V., Bianchi, P., Mannini, L., Prodosmo, A., ... Musio, A. (2014). Mutant cohesin drives chromosomal instability in early colorectal adenomas. Human Molecular Genetics, 23(25), 6773-6778. https://doi.org/10.1093/hmg/ddu394

Mutant cohesin drives chromosomal instability in early colorectal adenomas. / Cucco, Francesco; Servadio, Adele; Gatti, Veronica; Bianchi, Paolo; Mannini, Linda; Prodosmo, Andrea; De Vitis, Elisa; Basso, Gianluca; Friuli, Alessandro; Laghi, Luigi; Soddu, Silvia; Fontanini, Gabriella; Musio, Antonio.

In: Human Molecular Genetics, Vol. 23, No. 25, 2014, p. 6773-6778.

Research output: Contribution to journalArticle

Cucco, F, Servadio, A, Gatti, V, Bianchi, P, Mannini, L, Prodosmo, A, De Vitis, E, Basso, G, Friuli, A, Laghi, L, Soddu, S, Fontanini, G & Musio, A 2014, 'Mutant cohesin drives chromosomal instability in early colorectal adenomas', Human Molecular Genetics, vol. 23, no. 25, pp. 6773-6778. https://doi.org/10.1093/hmg/ddu394
Cucco, Francesco ; Servadio, Adele ; Gatti, Veronica ; Bianchi, Paolo ; Mannini, Linda ; Prodosmo, Andrea ; De Vitis, Elisa ; Basso, Gianluca ; Friuli, Alessandro ; Laghi, Luigi ; Soddu, Silvia ; Fontanini, Gabriella ; Musio, Antonio. / Mutant cohesin drives chromosomal instability in early colorectal adenomas. In: Human Molecular Genetics. 2014 ; Vol. 23, No. 25. pp. 6773-6778.
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