BCLAF1 and its splicing regulator SRSF10 regulate the tumorigenic potential of colon cancer cells

Bcl-2-associated transcription factor 1 (BCLAF1) is known to be involved in multiple biological processes. Although several splice variants of BCLAF1 have been identified, little is known about how BCLAF1 splicing is regulated or the contribution of alternative splicing to its developmental function...

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Veröffentlicht in:Nature communications 2014-08, Vol.5 (1), p.4581-4581, Article 4581
Hauptverfasser: Zhou, Xuexia, Li, Xuebing, Cheng, Yuanming, Wu, Wenwu, Xie, Zhiqin, Xi, Qiulei, Han, Jun, Wu, Guohao, Fang, Jing, Feng, Ying
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container_title Nature communications
container_volume 5
creator Zhou, Xuexia
Li, Xuebing
Cheng, Yuanming
Wu, Wenwu
Xie, Zhiqin
Xi, Qiulei
Han, Jun
Wu, Guohao
Fang, Jing
Feng, Ying
description Bcl-2-associated transcription factor 1 (BCLAF1) is known to be involved in multiple biological processes. Although several splice variants of BCLAF1 have been identified, little is known about how BCLAF1 splicing is regulated or the contribution of alternative splicing to its developmental functions. Here we find that inclusion of alternative exon5a was significantly increased in colorectal cancer (CRC) samples. Knockdown of the BCLAF1 protein isoform resulting from exon5a inclusion inhibited growth and that its overexpression increased tumorigenic potential. We also found that the splicing factor SRSF10 stimulates inclusion of exon5a and has growth-inducing activity. Importantly, the upregulation of SRSF10 expression observed in clinical CRC samples parallels the increased inclusion of BCLAF1 exon5a, both of which are associated with higher tumour grade. These findings identify SRSF10 as a key regulator of BCLAF1 pre-mRNA splicing and the maintenance of oncogenic features in human colon cancer cells. Alternative splicing often alters the biological function of proteins. Here, Zhou et al . show that the splicing factor SRSF10 directs the inclusion of exon5a in Bcl-2-associated transcription factor 1, and that this drives cell growth and tumorigenic potential in human colon cancer cells.
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subjects 13
13/106
13/44
38/109
38/61
38/71
38/90
631/337/1645/1792
631/67/1504/1885/1393
692/420/755
Alternative Splicing
Animals
Antineoplastic Agents - chemistry
Carcinoma - genetics
Carcinoma - metabolism
Cell Cycle Proteins - genetics
Cell Cycle Proteins - metabolism
Cell growth
Cell Line, Tumor
Cell Proliferation
Colonic Neoplasms - genetics
Colonic Neoplasms - metabolism
Colorectal cancer
Exons
Food safety
Gene Expression Regulation, Neoplastic
Humanities and Social Sciences
Humans
Kinases
Lung cancer
Male
Mice
Mice, Inbred BALB C
Mice, Knockout
Mice, Nude
multidisciplinary
Neoplasm Transplantation
Oligonucleotide Array Sequence Analysis
Proteins
Repressor Proteins - genetics
Repressor Proteins - metabolism
RNA Precursors - genetics
RNA-Binding Proteins - genetics
RNA-Binding Proteins - metabolism
Science
Science (multidisciplinary)
Serine-Arginine Splicing Factors
Transcription factors
Tumor Suppressor Proteins - genetics
Tumor Suppressor Proteins - metabolism
Tumorigenesis
Up-Regulation
title BCLAF1 and its splicing regulator SRSF10 regulate the tumorigenic potential of colon cancer cells
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