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MYCN controls an alternative RNA splicing program in high-risk metastatic neuroblastoma.

Cancer Lett.. 2016-02; 
Zhang S, Wei JS, Li SQ, Badgett TC, Song YK, Agarwal S, Coarfa C, Tolman C, Hurd L, Liao H, He J, Wen X, Liu Z, Thiele CJ, Westermann F, Asgharzadeh S, Seeger RC, Maris JM, Guidry Auvil JM, Smith MA, Kolaczyk ED, Shohet J, Khan J.
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摘要

The molecular mechanisms underlying the aggressive behavior of MYCN driven neuroblastoma (NBL) is under intense investigation; however, little is known about the impact of this family of transcription factors on the splicing program. Here we used high-throughput RNA sequencing to systematically study the expression of RNA isoforms in stage 4 MYCN-amplified NBL, an aggressive subtype of metastatic NBL. We show that MYCN-amplified NBL tumors display a distinct gene splicing pattern affecting multiple cancer hallmark functions. Six splicing factors displayed unique differential expression patterns in MYCN-amplified tumors and cell lines, and the binding motifs for some of these splicing factors are significantly e... More

关键词

MYCN-amplification; Neuroblastoma; RNA isoforms; RNA-seq; Splicing