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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Angiotensin and angiotensin receptors in cartilaginous fishes.

In mammals, a principal bioactive component of the renin-angiotensin system (RAS), angiotensin II ( ANG II), is known to be vasopressor, dipsogenic, a stimulant of adrenocortical secretion and to control glomerular and renal tubular function. Historically, a RAS analogous to that found in mammals was thought to have first evolved in the bony fishes. Recent research has identified the unusually structured elasmobranch [Asp(1)-Pro(3)-Ile(5)] ANG II. Physiological studies have demonstrated that ANG II in elasmobranchs is vasopressor, and stimulates interrenal gland production of the elasmobranch corticosteroid 1alpha-hydroxycorticosterone. The specific binding of ANG II in elasmobranchs has been reported in gills, heart, interrenal gland, gut and rectal gland. The precise osmoregulatory role ANG II plays in cartilaginous fishes is not yet known; however, putative evidence is emerging for a role in the control of drinking rate, rectal gland secretion, and kidney function.[1]

References

  1. Angiotensin and angiotensin receptors in cartilaginous fishes. Anderson, W.G., Cerra, M.C., Wells, A., Tierney, M.L., Tota, B., Takei, Y., Hazon, N. Comp. Biochem. Physiol., Part A Mol. Integr. Physiol. (2001) [Pubmed]
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