Abstract
The diagnosed incidence of small intestine neuroendocrine tumors (SI-NETs) is increasing, and the underlying genomic mechanisms have not yet been defined. Using exome-and genome-sequence analysis of SI-NETs, we identified recurrent somatic mutations and deletions in CDKN1B, the cyclin-dependent kinase inhibitor gene, which encodes p27. We observed frameshift mutations of CDKN1B in 14 of 180 SI-NETs, and we detected hemizygous deletions encompassing CDKN1B in 7 out of 50 SI-NETs, nominating p27 as a tumor suppressor and implicating cell cycle dysregulation in the etiology of SI-NETs.
Original language | English (US) |
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Pages (from-to) | 1483-1486 |
Number of pages | 4 |
Journal | Nature Genetics |
Volume | 45 |
Issue number | 12 |
DOIs | |
State | Published - Dec 2013 |
ASJC Scopus subject areas
- Genetics