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Pre-mRNA splicing is a fundamental process in mammalian gene expression, and alternative splicing plays an extensive role in generating protein diversity. Because the majority of genes undergo pre-mRNA splicing, most cellular processes depend on proper spliceosome function. We focus on the cell cycle and describe its dependence on pre-mRNA splicing and accurate alternative splicing. We outline the key cell-cycle factors and their known alternative splicing isoforms. We discuss different levels of pre-mRNA splicing regulation such as post-translational modifications and changes in the expression of splicing factors. We describe the effect of chromatin dynamics on pre-mRNA splicing during the cell cycle. In addition, we focus on spliceosome component SF3B1, which is mutated in many types of cancer, and describe the link between SF3B1 and its inhibitors and the cell cycle. Crown Copyright © 2020. Published by Elsevier Ltd. All rights reserved.


Mayra Petasny, Mercedes Bentata, Andrea Pawellek, Mai Baker, Gillian Kay, Maayan Salton. Splicing to Keep Cycling: The Importance of Pre-mRNA Splicing during the Cell Cycle. Trends in genetics : TIG. 2021 Mar;37(3):266-278

PMID: 32950269

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