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Antidiuretic effect of [Sar1, Val5, Ala8] angiotensin II inLophius americanus

✍ Scribed by Churchill, Paul ;Malvin, Richard ;Churchill, Monique ;Beasley, Debbie ;Shier, David


Publisher
John Wiley and Sons
Year
1985
Tongue
English
Weight
502 KB
Volume
233
Category
Article
ISSN
0022-104X

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✦ Synopsis


We have reported previously that angiotensin I1 increases urine flow and Na and K excretion rates in the aglomerular goosefish Lophius americanus. The present experiments were undertaken to determine if antagonism of endogenous angiotensin has the opposite renal effects. Arterial blood pressure, urine flow, and plasma and urine electrolytes were measured during two consecutive clearance periods in two groups of goosefish. The control group (n = 7) received saline intravenously during both periods; the experimental group (n = 8) received saline during the first period and a competitive antagonist of angiotensin I1 (saralasin, or [Sarl, Val5, Alas] angiotension 11) dissolved


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Synthesis of [Sar1, Val5, (4β€²-Azido-3β€²,5
✍ Michel Bernier; Emannuel Escher πŸ“‚ Article πŸ“… 1980 πŸ› John Wiley and Sons 🌐 German βš– 219 KB πŸ‘ 1 views

## Abstract The synthesis of [Sar^1^, Val^5^, (4′‐azido‐3β€²,5′‐ditritio)Phe^8^] angiotensin II from a iodinated precursor peptide is described. The principal problems of this synthesis and their resolution are discussed: (i) The β‐induced autophotolysis of the highly tritiated (73 Ci/mmol) and photo