Identification of aldosterone secretion inhibitory factor in bovine adrenal medulla

A. De Léan, H. Ong, N. McNicoll, K. Rácz, J. Gutkowska, M. Cantin

Research output: Contribution to journalArticle

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Abstract

We report the first demonstration of an Aldosterone Secretion Inhibitory Factor (ASIF) in acid extracts of bovine adrenal medulla. Following separation from catecholamines and enkephalins, this factor leads to an 80% inhibition of PGE1-stimulated secretion of aldosterone from bovine adrenal zona glomerulosa. ASIF is retained on cation exchange gels and behaves as a small 5K-dalton peptide on Sephadex G-50. This factor cross-reacts in a radio-receptor assay for [125I] atrial natriuretic factor (ANF). ASIF is distinct from all neuropeptides formerly detected in the adrenal medulla, e.g. somatostatin, enkephalin, neuropeptide Y, dynorphin, neurotensin. In the adrenal gland, this ANF-like factor is predominantly found in the medulla (4 pmo1/mg protein), with only trace amounts in the cortex (0.1 pmo1/mg protein). ASIF might perhaps correspond to the endogenous ligand for the receptor sites that we have previously identified with [125I]ANF in bovine adrenal cortex and could contribute to the formerly reported attenuating influence of the adrenal medulla on mineralocorticoid production.

Original languageEnglish
Pages (from-to)2375-2382
Number of pages8
JournalLife Sciences
Volume36
Issue number25
DOIs
Publication statusPublished - Jun 24 1985

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Adrenal Medulla
Atrial Natriuretic Factor
Zona Glomerulosa
Enkephalins
Dynorphins
Neurotensin
Mineralocorticoids
Alprostadil
Neuropeptide Y
Adrenal Cortex
Adrenal Glands
Somatostatin
Neuropeptides
Aldosterone
Radio
Catecholamines
Cations
Assays
Proteins
Demonstrations

ASJC Scopus subject areas

  • Pharmacology

Cite this

Identification of aldosterone secretion inhibitory factor in bovine adrenal medulla. / De Léan, A.; Ong, H.; McNicoll, N.; Rácz, K.; Gutkowska, J.; Cantin, M.

In: Life Sciences, Vol. 36, No. 25, 24.06.1985, p. 2375-2382.

Research output: Contribution to journalArticle

De Léan, A, Ong, H, McNicoll, N, Rácz, K, Gutkowska, J & Cantin, M 1985, 'Identification of aldosterone secretion inhibitory factor in bovine adrenal medulla', Life Sciences, vol. 36, no. 25, pp. 2375-2382. https://doi.org/10.1016/0024-3205(85)90341-8
De Léan, A. ; Ong, H. ; McNicoll, N. ; Rácz, K. ; Gutkowska, J. ; Cantin, M. / Identification of aldosterone secretion inhibitory factor in bovine adrenal medulla. In: Life Sciences. 1985 ; Vol. 36, No. 25. pp. 2375-2382.
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