Neonatal diabetes mellitus with pancreatic agenesis in an infant with homozygous IPF-1 Pro63fsX60 mutation
- PMID: 19496967
- PMCID: PMC6951802
- DOI: 10.1111/j.1399-5448.2009.00526.x
Neonatal diabetes mellitus with pancreatic agenesis in an infant with homozygous IPF-1 Pro63fsX60 mutation
Abstract
Permanent neonatal diabetes mellitus is a rare disorder known to be caused by activating mutations in KCNJ11 or ABCC8, inactivating mutations in INS, or very rarely in GCK or insulin promotor factor-1 (IPF-1) genes. We report a patient with permanent neonatal diabetes mellitus and severe exocrine pancreatic insufficiency. Ultrasound examination revealed pancreatic agenesis with a suggestion of a small amount of tissue in the head of the pancreas. Genetic testing revealed that the neonate had a homozygous Pro63fsX60 IPF-1 mutation. This is the second reported case of neonatal diabetes mellitus secondary to a homozygous mutation in the IPF-1 gene and supports the previously proposed biological role of IPF-1 in the pancreatic development in human.
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