期刊
ACTA NATURAE
卷 13, 期 2, 页码 58-69出版社
RUSSIAN FEDERATION AGENCY SCIENCE & INNOVATION
DOI: 10.32607/actanaturae.11089
关键词
poly-ADP-ribose; PARP; PARG; PAR code; NAD plus; phase separation
资金
- Russian Foundation for Basic Research [17-54-33045]
Poly(ADP-ribosyl)ation plays a crucial role in cellular metabolism and various cellular processes through complex regulatory mechanisms. Pharmacological correction of PAR levels may provide a novel approach for treating a variety of diseases.
Poly(ADP-ribosyl)ation plays a key role in cellular metabolism. Covalent poly(ADP-ribosyl)ation affects the activity of the proteins engaged in DNA repair, chromatin structure regulation, gene expression, RNA processing, ribosome biogenesis, and protein translation. Non-covalent PAR-dependent interactions are involved in the various types of cellular response to stress and viral infection, such as inflammation, hormonal signaling, and the immune response. The review discusses how structurally different poly(ADP-ribose) (PAR) molecules composed of identical monomers can differentially participate in various cellular processes acting as the so-called PAR code. The article describes the ability of PAR polymers to form functional biomolecular clusters through a phase-separation in response to various signals. This phase-separation contributes to rapid spatial segregation of biochemical processes and effective recruitment of the necessary components. The cellular PAR level is tightly controlled by a network of regulatory proteins: PAR code writers, readers, and erasers. Impaired PAR metabolism is associated with the development of pathological processes causing oncological, cardiovascular, and neurodegenerative diseases. Pharmacological correction of the PAR level may represent a new approach to the treatment of various diseases.
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