Title : Chronic high-sodium diet increases aortic wall endothelin-1 expression in a blood pressure-independent fashion in rats.

Pub. Date : 2006 Jun

PMID : 16741004






4 Functional Relationships(s)
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1 Chronic high-sodium diet increases aortic wall endothelin-1 expression in a blood pressure-independent fashion in rats. Sodium endothelin 1 Rattus norvegicus
2 We hypothesized that a high-sodium diet (HNa) increases vascular ET-1 production independent of arterial blood pressure changes. Sodium endothelin 1 Rattus norvegicus
3 Comparing WKY rats fed a low-sodium diet (LNa) with those fed HNa for 3 weeks, aortic wall ET-1 protein is significantly increased in response to HNa (331 +/- 43 pg/g tissue for LNa vs. 557 +/- 34 pg/gm tissue for HNa). Sodium endothelin 1 Rattus norvegicus
4 Therefore, the expression of ET-1 mRNA by the aortic wall is increased in response to chronic high dietary sodium in WKY rats in the absence of changes in arterial blood pressure. Sodium endothelin 1 Rattus norvegicus