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  • Title: Deficient 3 beta-hydroxy-5-ene steroid secretion by newborn infants.
    Author: Shackleton CH, Swift PG, Savage DC, Honour JW.
    Journal: J Clin Endocrinol Metab; 1979 Aug; 49(2):247-51. PubMed ID: 156733.
    Abstract:
    Congenital adrenal hypoplasia is reported in two siblings. The first died at 16 months of purulent bronchopneumonia after a history of adrenal insufficiency. No gross adrenal tissue was found at autopsy and urinary steroids were not excreted in detectable amounts before death. In a subsequent uncomplicated pregnancy, extremely low estrogens were recorded in the last trimester. Analysis of steroids in the urine of the neontate by gas chromatography revealed virtual absence of 3 beta-hydroxy-5-ene steroids. These suggest hypoplasia of the fetal adrenal cortex. Metabolites of cortisol were excreted in normal amounts and responded adequately to ACTH stimulation. Neonatal hyponatremia was associated with subnormal excretion of corticosterone and aldosterone metabolites. It is proposed that in the perinatal period, the fetal zone is required for mineralocorticoid synthesis, possibly by providing essential precursor steroids, e.g. 21-hydroxypregnenolone.
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