Angiotensin binding to rat adrenal capsular cell suspensions |
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Authors: | P Brecher M Tabacchi H Y Pyun A V Chobanian |
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Institution: | Boston University Medical Center 80 E. Concord Street, Boston, Mass. 02118 USA |
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Abstract: | Adrenal cell suspensions obtained by collagenase digestion of rat adrenal capsules was demonstrated to bind tritiated angiotensin II. The binding was rapid and reversible and was temperature dependent. Saturation of binding sites of a low order of capacity could be demonstrated by the addition of unlabeled angiotensin II. Specificity for this binding was demonstrated using several peptide analogues. Specificity was also observed with respect to cell type. These studies suggest the presence of a biologically significant receptor for angiotensin in cells of the zona glomerulosa of rat adrenal glands. |
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