The Cancer Spliceome: Reprograming of Alternative Splicing in Cancer

<p dir="ltr">Alternative splicing allows for the expression of multiple RNA and protein isoforms from one gene, making it a major contributor to transcriptome and proteome diversification in eukaryotes. Advances in next generation sequencing technologies and genome-wide analyses have...

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محفوظ في:
التفاصيل البيبلوغرافية
المؤلف الرئيسي: Ettaib El Marabti (23276158) (author)
مؤلفون آخرون: Ihab Younis (57824) (author)
منشور في: 2018
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author Ettaib El Marabti (23276158)
author2 Ihab Younis (57824)
author2_role author
author_facet Ettaib El Marabti (23276158)
Ihab Younis (57824)
author_role author
dc.creator.none.fl_str_mv Ettaib El Marabti (23276158)
Ihab Younis (57824)
dc.date.none.fl_str_mv 2018-09-07T03:00:00Z
dc.identifier.none.fl_str_mv 10.3389/fmolb.2018.00080
dc.relation.none.fl_str_mv https://figshare.com/articles/journal_contribution/The_Cancer_Spliceome_Reprograming_of_Alternative_Splicing_in_Cancer/31445944
dc.rights.none.fl_str_mv CC BY 4.0
info:eu-repo/semantics/openAccess
dc.subject.none.fl_str_mv Biological sciences
Genetics
Biomedical and clinical sciences
Clinical sciences
Oncology and carcinogenesis
splicing
cancer spliceome
alternative splicing
exons
introns
dc.title.none.fl_str_mv The Cancer Spliceome: Reprograming of Alternative Splicing in Cancer
dc.type.none.fl_str_mv Text
Journal contribution
info:eu-repo/semantics/publishedVersion
text
contribution to journal
description <p dir="ltr">Alternative splicing allows for the expression of multiple RNA and protein isoforms from one gene, making it a major contributor to transcriptome and proteome diversification in eukaryotes. Advances in next generation sequencing technologies and genome-wide analyses have recently underscored the fact that the vast majority of multi-exon genes under normal physiology engage in alternative splicing in tissue-specific and developmental-specific manner. On the other hand, cancer cells exhibit remarkable transcriptome alterations partly by adopting cancer-specific splicing isoforms. These isoforms and their encoded proteins are not insignificant byproducts of the abnormal physiology of cancer cells, but either drivers of cancer progression or small but significant contributors to specific cancer hallmarks. Thus, it is paramount that the pathways that regulate alternative splicing in cancer, including the splicing factors that bind to pre-mRNAs and modulate spliceosome recruitment. In this review, we present a few distinct cases of alternative splicing in cancer, with an emphasis on their regulation as well as their contribution to cancer cell phenotype. Several categories of splicing aberrations are highlighted, including alterations in cancer-related genes that directly affect their pre-mRNA splicing, mutations in genes encoding splicing factors or core spliceosomal subunits, and the seemingly mutation-free disruptions in the balance of the expression of RNA-binding proteins, including components of both the major (U2-dependent) and minor (U12-dependent) spliceosomes. Given that the latter two classes cause global alterations in splicing that affect a wide range of genes, it remains a challenge to identify the ones that contribute to cancer progression. These challenges necessitate a systematic approach to decipher these aberrations and their impact on cancer. Ultimately, a sufficient understanding of splicing deregulation in cancer is predicted to pave the way for novel and innovative RNA-based therapies.</p><h2 dir="ltr">Other Information</h2><p dir="ltr">Published in: Frontiers in Molecular Biosciences<br>License: <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank">https://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.3389/fmolb.2018.00080" target="_blank">https://dx.doi.org/10.3389/fmolb.2018.00080</a></p>
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identifier_str_mv 10.3389/fmolb.2018.00080
network_acronym_str Manara2
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oai_identifier_str oai:figshare.com:article/31445944
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spelling The Cancer Spliceome: Reprograming of Alternative Splicing in CancerEttaib El Marabti (23276158)Ihab Younis (57824)Biological sciencesGeneticsBiomedical and clinical sciencesClinical sciencesOncology and carcinogenesissplicingcancer spliceomealternative splicingexonsintrons<p dir="ltr">Alternative splicing allows for the expression of multiple RNA and protein isoforms from one gene, making it a major contributor to transcriptome and proteome diversification in eukaryotes. Advances in next generation sequencing technologies and genome-wide analyses have recently underscored the fact that the vast majority of multi-exon genes under normal physiology engage in alternative splicing in tissue-specific and developmental-specific manner. On the other hand, cancer cells exhibit remarkable transcriptome alterations partly by adopting cancer-specific splicing isoforms. These isoforms and their encoded proteins are not insignificant byproducts of the abnormal physiology of cancer cells, but either drivers of cancer progression or small but significant contributors to specific cancer hallmarks. Thus, it is paramount that the pathways that regulate alternative splicing in cancer, including the splicing factors that bind to pre-mRNAs and modulate spliceosome recruitment. In this review, we present a few distinct cases of alternative splicing in cancer, with an emphasis on their regulation as well as their contribution to cancer cell phenotype. Several categories of splicing aberrations are highlighted, including alterations in cancer-related genes that directly affect their pre-mRNA splicing, mutations in genes encoding splicing factors or core spliceosomal subunits, and the seemingly mutation-free disruptions in the balance of the expression of RNA-binding proteins, including components of both the major (U2-dependent) and minor (U12-dependent) spliceosomes. Given that the latter two classes cause global alterations in splicing that affect a wide range of genes, it remains a challenge to identify the ones that contribute to cancer progression. These challenges necessitate a systematic approach to decipher these aberrations and their impact on cancer. Ultimately, a sufficient understanding of splicing deregulation in cancer is predicted to pave the way for novel and innovative RNA-based therapies.</p><h2 dir="ltr">Other Information</h2><p dir="ltr">Published in: Frontiers in Molecular Biosciences<br>License: <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank">https://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.3389/fmolb.2018.00080" target="_blank">https://dx.doi.org/10.3389/fmolb.2018.00080</a></p>2018-09-07T03:00:00ZTextJournal contributioninfo:eu-repo/semantics/publishedVersiontextcontribution to journal10.3389/fmolb.2018.00080https://figshare.com/articles/journal_contribution/The_Cancer_Spliceome_Reprograming_of_Alternative_Splicing_in_Cancer/31445944CC BY 4.0info:eu-repo/semantics/openAccessoai:figshare.com:article/314459442018-09-07T03:00:00Z
spellingShingle The Cancer Spliceome: Reprograming of Alternative Splicing in Cancer
Ettaib El Marabti (23276158)
Biological sciences
Genetics
Biomedical and clinical sciences
Clinical sciences
Oncology and carcinogenesis
splicing
cancer spliceome
alternative splicing
exons
introns
status_str publishedVersion
title The Cancer Spliceome: Reprograming of Alternative Splicing in Cancer
title_full The Cancer Spliceome: Reprograming of Alternative Splicing in Cancer
title_fullStr The Cancer Spliceome: Reprograming of Alternative Splicing in Cancer
title_full_unstemmed The Cancer Spliceome: Reprograming of Alternative Splicing in Cancer
title_short The Cancer Spliceome: Reprograming of Alternative Splicing in Cancer
title_sort The Cancer Spliceome: Reprograming of Alternative Splicing in Cancer
topic Biological sciences
Genetics
Biomedical and clinical sciences
Clinical sciences
Oncology and carcinogenesis
splicing
cancer spliceome
alternative splicing
exons
introns