Fusion Genes and RNAs in Cancer Development

Fusion RNAs are a hallmark of some cancers. They result either from chromosomal rearrangements or from splicing mechanisms that are non-chromosomal rearrangements. Chromosomal rearrangements that result in gene fusions are particularly prevalent in sarcomas and hematopoietic malignancies; they are a...

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Main Authors: Kenzui Taniue, Nobuyoshi Akimitsu
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:Non-Coding RNA
Subjects:
Online Access:https://www.mdpi.com/2311-553X/7/1/10
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author Kenzui Taniue
Nobuyoshi Akimitsu
author_facet Kenzui Taniue
Nobuyoshi Akimitsu
author_sort Kenzui Taniue
collection DOAJ
description Fusion RNAs are a hallmark of some cancers. They result either from chromosomal rearrangements or from splicing mechanisms that are non-chromosomal rearrangements. Chromosomal rearrangements that result in gene fusions are particularly prevalent in sarcomas and hematopoietic malignancies; they are also common in solid tumors. The splicing process can also give rise to more complex RNA patterns in cells. Gene fusions frequently affect tyrosine kinases, chromatin regulators, or transcription factors, and can cause constitutive activation, enhancement of downstream signaling, and tumor development, as major drivers of oncogenesis. In addition, some fusion RNAs have been shown to function as noncoding RNAs and to affect cancer progression. Fusion genes and RNAs will therefore become increasingly important as diagnostic and therapeutic targets for cancer development. Here, we discuss the function, biogenesis, detection, clinical relevance, and therapeutic implications of oncogenic fusion genes and RNAs in cancer development. Further understanding the molecular mechanisms that regulate how fusion RNAs form in cancers is critical to the development of therapeutic strategies against tumorigenesis.
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spelling doaj.art-9fa95a9b37f144b18c30065ea2ccd7732023-12-03T12:22:04ZengMDPI AGNon-Coding RNA2311-553X2021-02-01711010.3390/ncrna7010010Fusion Genes and RNAs in Cancer DevelopmentKenzui Taniue0Nobuyoshi Akimitsu1Isotope Science Center, The University of Tokyo, 2-11-16, Yayoi, Bunkyo-ku, Tokyo 113-0032, JapanIsotope Science Center, The University of Tokyo, 2-11-16, Yayoi, Bunkyo-ku, Tokyo 113-0032, JapanFusion RNAs are a hallmark of some cancers. They result either from chromosomal rearrangements or from splicing mechanisms that are non-chromosomal rearrangements. Chromosomal rearrangements that result in gene fusions are particularly prevalent in sarcomas and hematopoietic malignancies; they are also common in solid tumors. The splicing process can also give rise to more complex RNA patterns in cells. Gene fusions frequently affect tyrosine kinases, chromatin regulators, or transcription factors, and can cause constitutive activation, enhancement of downstream signaling, and tumor development, as major drivers of oncogenesis. In addition, some fusion RNAs have been shown to function as noncoding RNAs and to affect cancer progression. Fusion genes and RNAs will therefore become increasingly important as diagnostic and therapeutic targets for cancer development. Here, we discuss the function, biogenesis, detection, clinical relevance, and therapeutic implications of oncogenic fusion genes and RNAs in cancer development. Further understanding the molecular mechanisms that regulate how fusion RNAs form in cancers is critical to the development of therapeutic strategies against tumorigenesis.https://www.mdpi.com/2311-553X/7/1/10fusion RNAsgene fusionschromosomal rearrangementstrans-splicingcis-splicingFISH
spellingShingle Kenzui Taniue
Nobuyoshi Akimitsu
Fusion Genes and RNAs in Cancer Development
Non-Coding RNA
fusion RNAs
gene fusions
chromosomal rearrangements
trans-splicing
cis-splicing
FISH
title Fusion Genes and RNAs in Cancer Development
title_full Fusion Genes and RNAs in Cancer Development
title_fullStr Fusion Genes and RNAs in Cancer Development
title_full_unstemmed Fusion Genes and RNAs in Cancer Development
title_short Fusion Genes and RNAs in Cancer Development
title_sort fusion genes and rnas in cancer development
topic fusion RNAs
gene fusions
chromosomal rearrangements
trans-splicing
cis-splicing
FISH
url https://www.mdpi.com/2311-553X/7/1/10
work_keys_str_mv AT kenzuitaniue fusiongenesandrnasincancerdevelopment
AT nobuyoshiakimitsu fusiongenesandrnasincancerdevelopment