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Effect of a spironolactone derivative (SC 14266) on Plasma renin activity in adrenal regeneration hypertension.

Abstract
The effects of treatment with a spironolactone derivative (SC 14266) for 9 experimental weeks on blood pressure and plasma renin activity (PRA) were investigated in unilaterally nephroadrenalectomized rats drinking 1% saline ("unilater nephrectomy"), unilaterally nephroadrenalectomized and contralaterally adrenal-enucleated rats drinking 1% saline ("adrenal enucleation") and intact rats drinking tap water ("normal"). The development of hypertension in "adrenal enucleation" rats was prevented by treatment with SC 14266 and the drug did not significantly affect the blood pressure in either "unilateral nephrectomy" or "normal" rats. SC 14266 did not influence a low level of basal PRA and the blunted response of PRA to furosemide administration in either "unilateral nephrectomy" or "adrenal enucleation" rats. On the other hand, PRA after furosemide administration in "normal" rats receiving SC 14266 was significantly higher than that in those rats treated with vehicle. The results suggest that the mineralocorticoid(s) secreted by the enucleated adrenal has a hypertensogenic property but no effect on the suppression of renin secretion under a high sodium intake and the unilateral nephrectomy.
AuthorsS Morimoto, K Uchida, I Miyamori, I Yamamoto, K S Kim
JournalEndocrinologia japonica (Endocrinol Jpn) Vol. 23 Issue 3 Pg. 227-31 (Jun 1976) ISSN: 0013-7219 [Print] Japan
PMID991834 (Publication Type: Journal Article)
Chemical References
  • Pregnadienes
  • Canrenoic Acid
  • Renin
Topics
  • Adrenal Glands (drug effects, physiology)
  • Adrenalectomy
  • Animals
  • Canrenoic Acid (pharmacology)
  • Hypertension (blood)
  • Male
  • Nephrectomy
  • Pregnadienes (pharmacology)
  • Rats
  • Regeneration
  • Renin (blood)

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