The role of renal dopaminergic activity in the pathophysiology of essential hypertension.

The role of renal dopaminergic activity in the pathophysiology of essential hypertension.
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肾多巴胺能活性在原发性高血压病理生理学中的作用。

DOI:
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发表时间:
1996
期刊:
Japanese Heart Journal
影响因子:
--
通讯作者:
O. Iimura
O. Iimura
中科院分区:
--
文献类型:
--
作者:
O. Iimura

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虽然原发性高血压的发病机制尚不清楚,但目前普遍认为肾脏参与了该病的病理生理过程。因此,本文综述了肾多巴胺能活性在原发性高血压中的作用。这被认为是最重要的肾脏利尿和降压系统之一。在原发性高血压患者中观察到尿中游离多巴胺(DA)排泄的抑制,特别是在那些血浆肾素活性(LRH)低且表现出体液容量扩张的患者中。发现外源性给药DA的利钠反应增加,特别是在LRH中,并且表明肾中左旋多巴抑制DA的生物合成。此外,这种肾多巴胺能活性的抑制也被观察到在任何高血压证据出现之前有明显高血压家族史的年轻血压正常受试者。从这些发现可以得出结论,肾脏多巴胺能活性的降低,至少在一定程度上,不仅参与了原发性高血压的病理生理,而且参与了该病的发病机制。
Although the pathogenesis of essential hypertension still remains unclear, it is now generally accepted that the kidney is deeply involved in the pathophysiology of this disease. This paper therefore, reviews current knowledge of the role of renal dopaminergic activity in essential hypertension. This is believed to be one of the most important renal diuretic and depressor systems. Suppression of urinary excretion of free dopamine (DA) is observed in essential hypertensives, particularly in those with low plasma renin activity (LRH) who demonstrate body fluid volume expansion. An increased natriuretic response to exogeneously administered DA is found, particularly in LRH, and suppressed biosynthesis of DA from L-dopa in the kidney has been suggested. Furthermore, this suppression of renal dopaminergic activity was also observed in young normotensive subjects with an apparent family history of hypertension before any evidence of hypertension emerged. From these findings, it is concluded that the decrease in renal dopaminergic activity is involved, at least in part, not only in the pathophysiology of essential hypertension, but also in the pathogenesis of this disease.
内源性多巴胺在伴随各种钠挑战的尿钠排泄中的作用。
DOI: 10.1093/ajh/3.6.90s
发表时间: 1990
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发表时间: 1991
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影响因子: --
作者:
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通讯作者: Murphy,MB
DOI: 10.1161/01.hyp.15.6.560
发表时间: 1990-06-01
期刊: HYPERTENSION
影响因子: 8.3
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FELDER, RA;SEIKALY, MG;JOSE, PA
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