Article
Familial hypomagnesemia with hypercalciuria and nephrocalcinosis caused by CLDN16/CLDN19 mutations in four Chinese families.
Scientific reports - 27 Mar 2026
Wang Chun, Ding Juanjuan, Yang Huihui, Huang Lin, Wang Xiaowen
Abstract excerpt
Familial hypomagnesaemia with hypercalciuria and nephrocalcinosis (FHHNC) is a rare autosomal recessive tubulopathy caused by mutations in the CLDN16 or CLDN19 genes, patients usually develop hypomagnesemia, hypercalciuria, nephrocalcinosis and renal failure early in life, and those with CLDN19 gene mutations have ocular findings in addition. Five children from four non-consanguineous Chinese Han families...
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