Alternative Splicing in Cancer

A special issue of Genes (ISSN 2073-4425). This special issue belongs to the section "Human Genomics and Genetic Diseases".

Deadline for manuscript submissions: closed (15 July 2023) | Viewed by 1244

Special Issue Editor


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Guest Editor
Department of Clinical & Biomedical Sciences, Medical School, College of Medicine and Health, University of Exeter, Exeter EX1 2LU, UK
Interests: RNA biology; alternative splicing; splice factors; tumor biology; novel therapeutics
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Special Issue Information

Dear Colleagues,

Approximately 94% of genes are alternatively spliced (AS) in humans, and there are thousands of isoforms specifically associated with disease progression. Splicing variants are described in virtually every class of molecules, from growth factors to tyrosine kinase/phosphatase receptors to tumor suppressors and oncogenes. Frequently, the splicing isoforms have opposing functions, e.g., pro- or anti-angiogenic, pro- or anti-apoptotic. A recent report demonstrates that the function of splice isoforms may be as different as being encoded by distinct genes, underlining the importance of AS in gene regulation and modulation of the cells’ functional repertoire. Unsurprisingly, given its extent, numerous splice isoforms have been described to be associated with cancer, and aberrant splicing is recognized as one of the hallmarks of cancer. Besides the implications for cancer pathogenesis, de-regulated alternative splicing is recognized as one of the novel areas of cell biology where therapeutic manipulations may be designed. Indeed, using either small molecules or splicing-switching oligonucleotides, faulty splice isoforms may be switched back to their normal counterparts and therefore inhibit tumor growth. Aberrant AS is also emerging as a novel mechanism in drug chemoresistance.

This Special Issue welcomes the submission of research papers or reviews on any aspect linking constitutive or alternative splicing to cancer progression, pathologic mechanisms, or therapeutic aspects.

Dr. Sebastian Oltean
Guest Editor

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Published Papers (1 paper)

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17 pages, 1587 KiB  
Review
Regulation of Epithelial-Mesenchymal Transitions by Alternative Splicing: Potential New Area for Cancer Therapeutics
by Ling Li, Jinxia Zheng and Sebastian Oltean
Genes 2023, 14(11), 2001; https://doi.org/10.3390/genes14112001 - 26 Oct 2023
Viewed by 979
Abstract
The epithelial-mesenchymal transition (EMT) is a complicated biological process in which cells with epithelial phenotype are transformed into mesenchymal cells with loss of cell polarity and cell–cell adhesion and gain of the ability to migrate. EMT and the reverse mesenchymal-epithelial transitions (METs) are [...] Read more.
The epithelial-mesenchymal transition (EMT) is a complicated biological process in which cells with epithelial phenotype are transformed into mesenchymal cells with loss of cell polarity and cell–cell adhesion and gain of the ability to migrate. EMT and the reverse mesenchymal-epithelial transitions (METs) are present during cancer progression and metastasis. Using the dynamic switch between EMT and MET, tumour cells can migrate to neighbouring organs or metastasize in the distance and develop resistance to traditional chemotherapy and targeted drug treatments. Growing evidence shows that reversing or inhibiting EMT may be an advantageous approach for suppressing the migration of tumour cells or distant metastasis. Among different levels of modulation of EMT, alternative splicing (AS) plays an important role. An in-depth understanding of the role of AS and EMT in cancer is not only helpful to better understand the occurrence and regulation of EMT in cancer progression, but also may provide new therapeutic strategies. This review will present and discuss various splice variants and splicing factors that have been shown to play a crucial role in EMT. Full article
(This article belongs to the Special Issue Alternative Splicing in Cancer)
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