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Regulation of the conserved 3 '-5 ' exoribonuclease EXOSC10/Rrp6 during cell division, development and cancer

Abstract : The conserved 3 '-5 ' exoribonuclease EXOSC10/Rrp6 processes and degrades RNA, regulates gene expression and participates in DNA double-strand break repair and control of telomere maintenance via degradation of the telomerase RNA component. EXOSC10/Rrp6 is part of the multimeric nuclear RNA exosome and interacts with numerous proteins. Previous clinical, genetic, biochemical and genomic studies revealed the protein's essential functions in cell division and differentiation, its RNA substrates and its relevance to autoimmune disorders and oncology. However, little is known about the regulatory mechanisms that control the transcription, translation and stability of EXOSC10/Rrp6 during cell growth, development and disease and how these mechanisms evolved from yeast to human. Herein, we provide an overview of the RNA- and protein expression profiles of EXOSC10/Rrp6 during cell division, development and nutritional stress, and we summarize interaction networks and post-translational modifications across species. Additionally, we discuss how known and predicted protein interactions and post-translational modifications influence the stability of EXOSC10/Rrp6. Finally, we explore the idea that different EXOSC10/Rrp6 alleles, which potentially alter cellular protein levels or affect protein function, might influence human development and disease progression. In this review we interpret information from the literature together with genomic data from knowledgebases to inspire future work on the regulation of this essential protein's stability in normal and malignant cells.
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Submitted on : Wednesday, May 12, 2021 - 10:32:42 AM
Last modification on : Thursday, December 2, 2021 - 2:18:04 PM
Long-term archiving on: : Friday, August 13, 2021 - 6:22:34 PM

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Igor Stuparevic, Ana Novacic, A.R. Rahmouni, Anne Fernandez, Ned Lamb, et al.. Regulation of the conserved 3 '-5 ' exoribonuclease EXOSC10/Rrp6 during cell division, development and cancer. Biological Reviews, Wiley, 2021, 96 (4), pp.1092-1113. ⟨10.1111/brv.12693⟩. ⟨hal-03162335⟩

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