Nitrate Esters Alleviated Coronary Atherosclerosis Through Inhibition of NF-κB-Regulated Macrophage Polarization Shift in Epicardial Adipose Tissue.

Journal of Cardiovascular Pharmacology
Chun-Yan WeiMing Zhong

Abstract

Nitrate esters have been used in clinical practice for more than one century for the treatment of angina. Their clinical effectiveness is due to vasodilator activity in arteries through a method of delivering nitric oxide or a nitric oxide-like compound. Recently, an increasing numbers of functions of this molecule in biology and pathophysiology have been discovered. Macrophage polarization shift in epicardial adipose tissue (EAT) has been demonstrated to be correlated with the severity of coronary artery disease (CAD). In this study, we aimed to investigate whether nitrate esters could improve coronary atherosclerosis through inhibition of macrophage polarization shift in EAT. A case-control study enrolled 48 subjects in 2 groups: CAD patients with or without nitrate esters treatment. Infiltration of M1/M2 macrophages and the expressions of pro-inflammatory and anti-inflammatory cytokines in EAT and subcutaneous white adipose tissue were investigated by immunohistochemical stain among subjects undergoing coronary artery bypass graft surgery. The expression levels of metabolic genes were investigated by real-time reverse transcription-polymerase chain reaction (RT-PCR). We found that nitrate ester treatment significantly inhibi...Continue Reading

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Citations

Apr 17, 2020·International Journal of Molecular Sciences·Tommaso Gori
Jul 22, 2021·Pharmacology Research & Perspectives·Masashi TawaTakaharu Ishibashi

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