期刊
NON-CODING RNA RESEARCH
卷 4, 期 4, 页码 128-134出版社
KEAI PUBLISHING LTD
DOI: 10.1016/j.ncrna.2019.11.002
关键词
Paraspeckle; Gene regulation; mRNA retention; Microspeckles; Apoptosis
The nucleus is an essential hub for the regulation of gene expression in both spatial and temporal contexts. The complexity required to manage such a feat has resulted in the evolution of multiple sub-structures in the nucleus such as the nucleolus, small cajal bodies and nuclear stress bodies. The paraspeckle is another membraneless structure composed of RNA elements, primarily the long non-coding RNA (lncRNA) Nuclear Enriched Abundant Transcript 1 (NEAT1), associated with RNA binding proteins (RBPs). The paraspeckle is showing signs of being involved in various aspects of gene regulation and its role in many pathologies from cancer to viral infection is beginning to be addressed. Research into paraspeckle-directed gene regulation highlights the increase in the appreciation of the biological significance of non-coding RNA (ncRNA). This review will thus cover the basis of how a structure as large as a paraspeckle forms along with its functions. It will also explore how it effects pathological conditions and can be used in clinical intervention, with special emphasis on the multitude of methods utilised by paraspeckles for apoptotic regulation.
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