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  • Title: Effect of somatostatin on the zona glomerulosa of rats treated with angiotensin II or captopril: stereology and plasma hormone concentrations.
    Author: Mazzocchi G, Robba C, Rebuffat P, Gottardo G, Nussdorfer GG.
    Journal: J Steroid Biochem; 1985 Sep; 23(3):353-6. PubMed ID: 2864479.
    Abstract:
    Chronic somatostatin (SRIF) administration induced atrophy of zona glomerulosa cells of the rat adrenal cortex and a noticeable fall in the plasma concentration of aldosterone. The effects of SRIF were comparable with those of captopril, a specific inhibitor of the angiotensin-converting enzyme. SRIF completely abrogated the adrenoglomerulotrophic effects of angiotensin II (AII); the inhibitory actions of SRIF and captopril were not additive. The slight but significant enhancement of zona fasciculata cell growth and plasma corticosterone levels caused by chronic AII administration were ot reversed by SRIF. We interpret these data to indicate that SRIF specifically modulates the stimulatory effects of AII on the growth and steroidogenic capacity of rat zona glomerulosa.
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