Hypertension, Vol 8, 549-551, Copyright © 1986 by American Heart Association
RM Graham, KD Bloch, VB Delaney, E Bourke and JG Seidman
We investigated whether the gene for atrial natriuretic factor, a recently
discovered peptide hormone with potent natriuretic, diuretic, and
vasorelaxant properties, was pathogenetically linked to an uncommon but
well-defined fluid and electrolyte disorder, Bartter's syndrome.
Restriction fragment length polymorphisms in the atrial natriuretic factor
gene were sought in a large kindred with six of 23 family members being
affected. A Bgl II polymorphism, identified in two of 40 (5%) apparently
normal subjects, was found in one of two first- generation family members.
This polymorphism was also present in five of seven unaffected
second-generation siblings but in only three of six affected siblings. The
failure of the absence or the presence of the polymorphism to cosegregate
with the disease clearly indicates that in this kindred, the gene for
atrial natriuretic factor is not linked to Bartter's syndrome.
ARTICLES
Bartter's syndrome and the atrial natriuretic factor gene
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