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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2001-5-9
pubmed:abstractText
Pseudohypoaldosteronism type 1 (PHA1) is characterized by neonatal salt wasting resistant to mineralocorticoids. There are 2 forms of PHA1: the autosomal recessive form with symptoms persisting into adulthood, caused by mutations in the amiloride-sensitive luminal sodium channel, and the autosomal dominant or sporadic form, which shows milder symptoms that remit with age. Mutations in the gene encoding the human mineralocorticoid receptor (hMR) are, at least in some patients, responsible for the latter form of PHA1. We here report the results of a genetic study in a sporadic case and in 5 affected patients from 2 families with autosomal dominant PHA1. In the sporadic case we identified a new frameshift mutation, Ins2871C, in exon 9 of the hMR gene. Family members were asymptomatic and had no mutation. This mutation is the first described in exon 9 and impairs the last 27 amino acids of the hormone-binding domain. In 2 kindreds with autosomal dominant PHA1 we found no mutation of the hMR gene. Our results confirm the hypothesis that autosomal dominant or sporadic PHA1 is a genetically heterogeneous disease involving other, as yet unidentified, genes.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0021-972X
pubmed:author
pubmed:issnType
Print
pubmed:volume
86
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2056-9
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
2001
pubmed:articleTitle
Evidence for genetic heterogeneity of pseudohypoaldosteronism type 1: identification of a novel mutation in the human mineralocorticoid receptor in one sporadic case and no mutations in two autosomal dominant kindreds.
pubmed:affiliation
Division of Pediatric Endocrinology, Department of Pediatrics, Christian Albrechts University of Kiel, Germany.
pubmed:publicationType
Journal Article