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Trends Genet. 2008 Jan;24(1):7-10. Epub 2007 Dec 3.

Insights into the connection between cancer and alternative splicing.

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  • 1Department of Human Genetics and Molecular Medicine, Sackler Faculty of Medicine, Tel-Aviv University, Ramat Aviv 69978, Israel.


Computational and experimental evidence has revealed that cancerous cells express transcript variants that are abnormally spliced, suggesting that mRNAs are more frequently alternatively spliced in cancerous tissues than in normal ones. We show that cancerous tissues exhibit lower levels of alternative splicing than do normal tissues. Moreover, we found that the distribution of types of alternative splicing differs between cancerous and normal tissues. We further show evidence suggesting that the lower levels of alternative splicing in cancerous tissues might be a result of disruption of splicing regulatory proteins.

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