Journal
CELLULAR AND MOLECULAR LIFE SCIENCES
Volume 76, Issue 17, Pages 3283-3299Publisher
SPRINGER BASEL AG
DOI: 10.1007/s00018-019-03120-6
Keywords
Poly ADP-ribosylation; PARP1; Gene expression; Transcription; RNA metabolism; RNA-binding proteins; Inflammation
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Funding
- National Natural Science Foundation of China [31371293, 31801182]
- Natural Science Foundation of Jilin Province [20190103068JH, 20180101236JC]
- China Postdoctoral Science Foundation [2018M630313, 2018T110239]
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Poly(ADP-ribosyl)ation (PARylation) is an important post-translational modification in which an ADP-ribose group is transferred to the target protein by poly(ADP-riboses) polymerases (PARPs). Since the discovery of poly-ADP-ribose (PAR) 50 years ago, its roles in cellular processes have been extensively explored. Although research initially focused on the functions of PAR and PARPs in DNA damage detection and repair, our understanding of the roles of PARPs in various nuclear and cytoplasmic processes, particularly in gene expression, has increased significantly. In this review, we discuss the current advances in understanding the roles of PARylation with a particular emphasis in gene expression through RNA biogenesis and processing. In addition to updating PARP's significance in transcriptional regulation, we specifically focus on how PARPs and PARylation affect gene expression, especially inflammation-related genes, at the post-transcriptional levels by modulating RNA processing and degrading. Increasing evidence suggests that PARP inhibition is a promising treatment for inflammation-related diseases besides conventional chemotherapy for cancer.
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