Actions of Quercetin, a Polyphenol, on Blood Pressure.

Actions of Quercetin, a Polyphenol, on Blood Pressure.
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DOI:
10.3390/molecules22020209
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发表时间:
2017-01-29
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Taruno A
Taruno A
中科院分区:
其他
文献类型:
--
作者:
Marunaka Y;Marunaka R;Sun H;Yamamoto T;Kanamura N;Inui T;Taruno A

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血压控制障碍会导致严重的心血管系统疾病。槲皮素是一种黄酮类化合物,是一种多酚类化合物,其特征是含有大量的酚结构单元,通过改变各种血压调节因子,如血管顺应性、外周血管阻力和总血容量的值,通过抗炎和抗氧化作用,发挥抗高血压作用。除了槲皮素的抗炎和抗氧化作用外,我们还特别描述了槲皮素对细胞溶质Cl−浓度([Cl−]c)作用的新机制和细胞溶质Cl−的新作用,即,(1)槲皮素通过激活肾上皮细胞中的Na+-K+-2Cl−协同转运蛋白1(NKCC 1)来升高[Cl−]c,从而通过上皮Na+通道(ENaC)促进Na+重吸收;(2)槲皮素诱导的肾上皮细胞中[Cl−]c升高减少了ENaC的表达,导致肾Na+重吸收减少;(3)ENaC介导的Na+在肾上皮细胞中重吸收的减少降低了容积依赖性血压升高。本文就槲皮素通过激活NKCC 1发挥抗高血压作用的新机制作一综述。
Disorder of blood pressure control causes serious diseases in the cardiovascular system. This review focuses on the anti-hypertensive action of quercetin, a flavonoid, which is one of the polyphenols characterized as the compounds containing large multiples of phenol structural units, by varying the values of various blood pressure regulatory factors, such as vascular compliance, peripheral vascular resistance, and total blood volume via anti-inflammatory and anti-oxidant actions. In addition to the anti-inflammatory and anti-oxidant actions of quercetin, we especially describe a novel mechanism of quercetin’s action on the cytosolic Cl− concentration ([Cl−]c) and novel roles of the cytosolic Cl− i.e., (1) quercetin elevates [Cl−]c by activating Na+-K+-2Cl− cotransporter 1 (NKCC1) in renal epithelial cells contributing to Na+ reabsorption via the epithelial Na+ channel (ENaC); (2) the quercetin-induced elevation of [Cl−]c in renal epithelial cells diminishes expression of ENaC leading to a decrease in renal Na+ reabsorption; and (3) this reduction of ENaC-mediated Na+ reabsorption in renal epithelial cells drops volume-dependent elevated blood pressure. In this review, we introduce novel, unique mechanisms of quercetin’s anti-hypertensive action via activation of NKCC1 in detail.
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