Title : Regulation by sodium intake of type 1 angiotensin II receptor mRNAs in the kidney of Sabra rats.

Pub. Date : 2000 Aug

PMID : 10954002






5 Functional Relationships(s)
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1 Regulation by sodium intake of type 1 angiotensin II receptor mRNAs in the kidney of Sabra rats. Sodium angiotensin II receptor, type 1a Rattus norvegicus
2 OBJECTIVE: To study the relationship between the sensitivity to sodium content of the diet in terms of development of hypertension and the regulation of the expression of type 1 angiotensin II receptor subtypes by such a diet. Sodium angiotensin II receptor, type 1a Rattus norvegicus
3 In the cortex (C) and inner stripe (IS), the high sodium diet decreased AT1A and AT1B mRNAs in SBH/y and SBN/y, with a higher magnitude for SBH/y, than for SBN/y (C, -28 versus -20%; IS, -42 versus -20%). Sodium angiotensin II receptor, type 1a Rattus norvegicus
4 CONCLUSION: A high sodium diet significantly decreases both AT1A and AT1B gene expression in two specific zones of the rat kidney containing the target cells of angiotensin II (C and IS). Sodium angiotensin II receptor, type 1a Rattus norvegicus
5 Finally, SBH/y and SBN/y rats differ in the basal level of AT1 mRNA expression in the IS, and in the ability to modulate AT1 mRNA level under sodium intake. Sodium angiotensin II receptor, type 1a Rattus norvegicus