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A Case of Vitamin-D-Dependent Rickets Type 1A with Normal 1,25-Dihydroxyvitamin D Caused by Two Novel Mutations of the CYP27B1 Gene.

Hormone research in paediatrics - 1 Jan 2017

Giannakopoulos Aris, Efthymiadou Alexandra, Chrysis Dionisios

Abstract excerpt

BACKGROUND: Vitamin-D-dependent rickets 1A (VDDR-1A) is caused by mutations of the renal CYP27B1 gene and is a rare form of rickets. Herein, we report a 20-month-old toddler who presented with inability to walk and failure to thrive. The clinical, biochemical and radiological findings were consistent with a diagnosis of rickets, specifically of the genetic type due to increased 25-OH vitamin D stores. METHODS AND...

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PMID: 27287609
DOI: 10.1159/000446774

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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