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Cancer Res. 2003 Jan 15;63(2):304-7.

BRD4-NUT fusion oncogene: a novel mechanism in aggressive carcinoma.

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  • 1Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA. cfrench@partners.org

Abstract

The poorly differentiated carcinoma with t(15;19)(q13, p13.1) is characterized by its highly aggressive, invariably lethal clinical course. The chromosome 19 translocation breakpoint targets the BRD4 double bromodomain-containing gene, which functions in regulation of cell cycle progression. Herein we demonstrate that BRD4 is fused with nearly the entire transcript of the novel 15q13 gene, NUT (nuclear protein in testis), forming a 6.4-kb fusion oncogene, BRD4-NUT. NUT, like BRD4, is predicted to encode a nuclear protein but, unlike the ubiquitous BRD4 transcript, is expressed only in testis. These findings establish a model to elucidate the oncogenic consequences of unscheduled NUT expression and altered BRD4 function. Very few fusion oncogenes have been identified in epithelial tumors, and BRD4-NUT is the first fusion oncogene mechanism identified in a highly lethal form of carcinoma.

PMID:
12543779
[PubMed - indexed for MEDLINE]
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