Angiotensins are peptide hormone components of the renin-angiotensin system involved in the regulation of blood vessel constriction and aldosterone release. Angiotensin I, a decapeptide derived from angiotensinogen, is a converted to Angiotensin II by the removal of the two C-terminal amino acids. Various analogues of Angiotensin I may be used as substrates to identify, differentiate and characterize angiotensin-converting enzyme(s) (ACE).
The American journal of physiology, 273(1 Pt 2), R49-R57 (1997-07-01)
Immunohistochemical and pharmacological techniques were utilized to investigate the relationships between angiotensins and catecholamine release from the chromaffin tissue of rainbow trout (Oncorhynchus mykiss). Double labeling with [Asp1, Ile5]angiotensin II-fluorescein isothiocyanate (ANG II-FITC) and anti-dopamine beta-hydroxylase revealed specific ANG II
General and comparative endocrinology, 135(3), 286-292 (2004-01-16)
In order to delineate further the molecular evolution of the renin-angiotensin system in vertebrates, angiotensin I (ANG I) has been isolated after incubation of plasma and kidney extracts of emu (Dromiceus novaehollandiae), axolotl (Ambystoma mexicanum), and sea lamprey (Petromyzon marinus).
To understand how vertebrates utilize angiotensins during evolutionary development, we undertook studies to synthesize and/or characterize angiotensin-like peptides from nonmammalian species. The present paper describes the synthesis of [Asp1,Val5,Asn9] angiotensin I (bull frog, Rana catesbeiana) (I), [Asn1,Val5,His9] angiotensin I (Japanese
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