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Angiotensins

Investigators at Case Western Reserve University publish new data on angiotensins

Published in Proteomics Weekly, March 17th, 2008

"Angiotensin II is a major regulatory peptide for proximal tubule Na+ reabsorption acting through two distinct receptor subtypes: AT(1) and AT(2). Physiological or pathological roles of AT(2) have been difficult to unravel because angiotensin II can affect Na+ transport either directly via AT(2) on luminal or peritubular plasma membranes of proximal tubule cells or indirectly via the renal vasculature," scientists in the United States report.

"Furthermore, separate systemic and intratubular renin-angiotensin systems impart considerable complexity to angiotensin's regulation. A transport-competent, proximal tubule cell model that lacks AT(2) is a potentially useful tool...

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