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Alternative splicing allows for the generation of protein diversity and fine-tunes gene expression. Several model systems have been used for the in vivo study of alternative splicing. Here we review the use of the nematode  Caenorhabditis elegans  to study splicing regulation in vivo. Recent studies have shown that close to 25% of genes in the worm genome undergo alternative splicing. A big proportion of these events are functional, conserved, and under strict regulation either across development or other conditions. Several techniques like genome-wide RNAi screens and bichromatic reporters are available for the study of alternative splicing in worms. In this review, we focus, first, on the main studies that have been performed to dissect alternative splicing in this system and later on examples from genes that have human homologs that are implicated in cancer. The significant advancement towards understanding the regulation of alternative splicing and cancer that the  C. elegans  system has offered is discussed.

international journal of cell biology

Alternative Splicing Regulation of Cancer-Related Pathways in<i>Caenorhabditis elegans</i>: An In Vivo Model System with a Powerful Reverse Genetics Toolbox

Alternative Splicing Regulation of Cancer-Related Pathways inCaenorhabditis elegans: An In Vivo Model System with a Powerful Reverse Genetics Toolbox