Abnormalities of aldosterone synthesis and action in children

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Genetic defects in aldosterone biosynthesis and action affect blood pressure and electrolyte homeostasis. Aldosterone synthase deficiency, salt-wasting forms of congenital adrenal hyperplasia, and adrenal hypoplasia congenita all cause aldosterone deficiency, signs of which include hyponatremia, hyperkalemia, hypovolemia, elevated plasma renin activity, and sometimes shock and death. Conversely, the inappropriate regulation of aldosterone synthesis seen in glucocorticoid-suppressible hyperaldosteronism may cause hypokalemia, suppressed plasma renin activity, and hypertension. Similar problems occur when the normal ligand specificity of the aldosterone receptor is lost, as in the syndrome of apparent mineralocorticoid excess due to 11β-hydroxysteroid dehydrogenase deficiency. The effects of aldosterone are mediated largely through activation of the epithelial sodium channel, and inactivating or activating mutations of this channel leads to signs of mineralocorticoid deficiency or excess, termed pseudohypoaldosteronism and Liddle's syndrome, respectively.

Original languageEnglish (US)
Pages (from-to)424-430
Number of pages7
JournalCurrent Opinion in Pediatrics
Volume9
Issue number4
StatePublished - 1997

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Aldosterone
Renin
Apparent Mineralocorticoid Excess Syndrome
Liddle Syndrome
Pseudohypoaldosteronism
Cytochrome P-450 CYP11B2
11-beta-Hydroxysteroid Dehydrogenases
Epithelial Sodium Channels
Mineralocorticoid Receptors
Congenital Adrenal Hyperplasia
Mineralocorticoids
Hyperkalemia
Hypovolemia
Hypokalemia
Hyponatremia
Electrolytes
Shock
Homeostasis
Salts
Blood Pressure

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Abnormalities of aldosterone synthesis and action in children. / White, Perrin C.

In: Current Opinion in Pediatrics, Vol. 9, No. 4, 1997, p. 424-430.

Research output: Contribution to journalArticle

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