4.7 Review

The cGAS-STING signaling in cardiovascular and metabolic diseases: Future novel target option for pharmacotherapy

Journal

ACTA PHARMACEUTICA SINICA B
Volume 12, Issue 1, Pages 50-75

Publisher

INST MATERIA MEDICA, CHINESE ACAD MEDICAL SCIENCES
DOI: 10.1016/j.apsb.2021.05.011

Keywords

STING; cGAS; Cardiovascular diseases; Metabolic diseases; Damage-associated molecular patterns; Inflammation; ER stress; Mitochondria

Funding

  1. National Key R&D Program of China [2018YFC1704500]
  2. National Program for NSFC (China) [81973624, 81873192, 81830112]
  3. Natural Science Foundation of Tianjin City (China) [19JCYBJC28200]
  4. Important Drug Develop of MOST (China) [2019ZX09201005-002-007]
  5. Science and Technology Program of Tianjin (China) [20ZYJDJC00070]

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The cGAS-STING signaling pathway is closely related to cardiovascular and metabolic disorders and plays an important regulatory role in various sterile inflammatory diseases. Studying this signaling pathway is of great significance for understanding the relationship between cardiovascular and metabolic tissues and diseases.
The cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) signaling exert essential regulatory function in microbial-and onto-immunology through the induction of cytokines, primarily type I interferons. Recently, the aberrant and deranged signaling of the cGAS -STING axis is closely implicated in multiple sterile inflammatory diseases, including heart failure, myocardial infarction, cardiac hypertrophy, nonalcoholic fatty liver diseases, aortic aneurysm and dissection, obesity, etc. This is because of the massive loads of damage-associated molecular patterns (mitochondrial DNA, DNA in extracellular vesicles) liberated from recurrent injury to metabolic cellular organelles and tissues, which are sensed by the pathway. Also, the cGAS-STING pathway crosstalk with essential intracellular homeostasis processes like apoptosis, autophagy, and regulate cellular metabolism. Targeting derailed STING signaling has become necessary for chronic inflammatory diseases. Meanwhile, excessive type I interferons signaling impact on cardiovascular and metabolic health remain entirely elusive. In this review, we summarize the intimate connection between the cGAS -STING pathway and cardiovascular and metabolic disorders. We also discuss some potential small molecule inhibitors for the pathway. This review provides insight to stimulate interest in and support future research into understanding this signaling axis in cardiovascular and metabolic tissues and diseases. (C) 2022 Chinese Pharmaceutical Association and Institute of Materia Medica, Chinese Academy of Medical Sciences. Production and hosting by Elsevier B.V.

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