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Original Article
Brief Report
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Volume 337:1429-1434 November 13, 1997 Number 20
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Propranolol Therapy for Ectopic ß-Adrenergic Receptors in Adrenal Cushing's Syndrome
André Lacroix, M.D., Johanne Tremblay, Ph.D., Guy Rousseau, Ph.D., Michel Bouvier, Ph.D., and Pavel Hamet, M.D., Ph.D.

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Most patients with corticotropin-independent Cushing's syndrome have an adrenal adenoma or carcinoma,1 but a few have bilateral adrenal hyperplasia. Three patients with Cushing's syndrome and corticotropin-independent bilateral adrenal hyperplasia2,3,4 and two patients with adrenal adenomas5,6 in whom food stimulated cortisol secretion have been described; the abnormal adrenal tissues in these patients aberrantly overexpressed receptors for gastric inhibitory polypeptide.6,7 We describe a patient with Cushing's syndrome and corticotropin-independent bilateral adrenal hyperplasia in whom endogenous catecholamines, acting through an ectopic adrenal {beta}-adrenergic receptor, stimulated cortisol secretion; the hyperadrenocorticism was inhibited by {beta}-blockade.

Case Report

A 56-year-old man presented with a left ileofemoral thrombophlebitis, an . . . [Full Text of this Article]

Methods

Clinical Studies

Assays

{beta}-Adrenergic–Receptor Binding and Adenylyl Cyclase Assays

Results

In Vivo Studies

In Vitro Studies

{beta}-Adrenergic–Receptor Binding

Adrenal-Membrane Adenylyl Cyclase Activity

Discussion


Source Information

From the Division of Endocrinology and the Department of Medicine, Research Center, Pavillon Hôtel-Dieu, Centre Hospitalier de l'Université de Montréal (A.L., J.T., P.H.), and the Research Group on the Autonomic Nervous System, Department of Biochemistry, Université de Montréal (G.R., M.B.) — both in Montreal.

Address reprint requests to Dr. Lacroix at the Research Center, Pavillon Hôtel-Dieu, CHUM, 3850 St.-Urbain, Montreal, QC H2W 1T8, Canada.

References


This article has been cited by other articles:



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