Abstract
Coronary heart disease is a serious cardiovascular illness. Percutaneous coronary artery stent implantation has become a routine way to treat coronary heart disease. Although studies have shown how a drug-eluting stent could improve the efficacy of clinical treatment, 10~20% of in-stent restenosis is still an important outcome that restricts the clinical efficacy of drug-eluting stent implantations and causes cardiovascular events such as angina pectoris, acute myocardial infarction, and sudden death. The KCa3.1 channel plays an important role in neoatherosclerosis of in-stent restenosis by regulating macrophage function. Recent studies have shown that the KCa3.1 channel, which belongs to the family of calcium-activated potassium channels, plays an important role in the occurrence and development of various inflammatory diseases by regulating cell membrane potentials and calcium signaling in the processes of macrophage migration and mitogen-stimulated vascular smooth muscle cell and fibroblast proliferation. The KCa3.1 channel is activated by elevated intracellular calcium levels. Inhibition of the KCa3.1 channel can effectively slow the progression of arterial plaque rupture and reduce the degree of vascular restenosis, and so substances that can carry out this inhibition are expected to become targeted drugs for the treatment of in-stent neoatherosclerosis. This article reviews the pathological and physiological roles of the KCa3.1 channel and its roles in the disease prognosis of in-stent neoatherosclerosis.
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Abbreviations
- AMI:
-
Acute myocardial infarction
- AP-1:
-
Activator protein-1
- bFGF:
-
Basic fibroblast growth factor
- BMS:
-
Bare metal stents
- CHD:
-
Coronary heart disease
- DES:
-
Drug-eluting stent
- EDHF:
-
Endothelium-derived hyperpolarization factor
- fMLP:
-
Formyl-Met-Leu-Phe
- IFN-α:
-
Interferon alpha
- ISNA:
-
In-stent neoatherosclerosis
- ISR:
-
In-stent restenosis
- KCa3.1 channel:
-
Intermediate-conductance Ca2+-activated K+ channels
- LST:
-
Late-stent thrombosis
- MCP-1:
-
Macrophage chemotactic protein 1
- NFAT:
-
Nuclear factor of activated T cells
- PTCA:
-
Percutaneous coronary angioplasty
- PCI:
-
Percutaneous coronary intervention
- PDGF:
-
Platelet-derived growth factor
- MACE:
-
Sudden cardiac death
- VSMC:
-
Vascular smooth muscle cell
- TCR:
-
T cell receptor
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Funding
This study was supported by the National Natural Science Foundation of China (81370304); Natural Science Foundation of Jiangsu Province (BK20151085); Jiangsu Provincial Key Research and Development Program (BE2018611); the 10th Summit of Six Top Talents of Jiangsu Province (2016-WSN-185); and Medical Science and technology development Foundation of Nanjing Department of Health (YKK15101, ZKX16048).
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Zhu, YR., Jiang, XX. & Zhang, DM. Critical regulation of atherosclerosis by the KCa3.1 channel and the retargeting of this therapeutic target in in-stent neoatherosclerosis. J Mol Med 97, 1219–1229 (2019). https://doi.org/10.1007/s00109-019-01814-9
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DOI: https://doi.org/10.1007/s00109-019-01814-9