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A case of pseudohypoaldosteronism type 1 with a mutation in the mineralocorticoid receptor gene / 소아과
Korean Journal of Pediatrics ; : 90-93, 2011.
Article in English | WPRIM | ID: wpr-155022
ABSTRACT
Pseudohypoaldosteronism type 1 (PHA1) is a rare form of mineralocorticoid resistance characterized in newborns by salt wasting with dehydration, hyperkalemia and failure to thrive. This disease is heterogeneous in etiology and includes autosomal dominant PHA1 owing to mutations of the NR3C2 gene encoding the mineralocorticoid receptor, autosomal recessive PHA1 due to mutations of the epithelial sodium channel (ENaC) gene, and secondary PHA1 associated with urinary tract diseases. Amongst these diseases, autosomal dominant PHA1 shows has manifestations restricted to renal tubules including a mild salt loss during infancy and that shows a gradual improvement with advancing age. Here, we report a neonatal case of PHA1 with a NR3C2 gene mutation (a heterozygous c.2146_2147insG in exon 5), in which the patient showed failure to thrive, hyponatremia, hyperkalemia, and elevated plasma renin and aldosterone levels. This is the first case of pseudohypoaldosteronism type 1 confirmed by genetic analysis in Korea.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Plasma / Urologic Diseases / Pseudohypoaldosteronism / Exons / Renin / Receptors, Mineralocorticoid / Dehydration / Aldosterone / Epithelial Sodium Channels / Failure to Thrive Limits: Humans / Infant / Infant, Newborn Country/Region as subject: Asia Language: English Journal: Korean Journal of Pediatrics Year: 2011 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Plasma / Urologic Diseases / Pseudohypoaldosteronism / Exons / Renin / Receptors, Mineralocorticoid / Dehydration / Aldosterone / Epithelial Sodium Channels / Failure to Thrive Limits: Humans / Infant / Infant, Newborn Country/Region as subject: Asia Language: English Journal: Korean Journal of Pediatrics Year: 2011 Type: Article