Natriuretic action of angiotensin(1–7)

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Abstract
Evidence that angiotensin(1-7) (Ang(1-7)) is biologically active and can be synthesized by the kidney prompted us to examine its actions in the rat, isolated kidney. Ang(1-7) had three major effects producing, (1) a substantial natriuresis and diuresis, (2) an increase in urinary sodium concentration associated with a fall in potassium concentration and (3) an increase in glomerular filtration rate without affecting renal vascular resistance. Thus, Ang(1-7) may participate in the renal effects of the renin-angiotensin system.