Permanent neonatal diabetes
Permanent neonatal diabetes mellitus | |
---|---|
Other names | PNDM |
Specialty | Neonatology |
Permanent neonatal diabetes mellitus (PNDM) is a newly identified and potentially treatable form of monogenic
Signs and symptoms
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Cause
It can be associated with
Diagnosis
This results in congenital impairment of insulin release, although in the past, this was always being thought to be unusually early
Treatment
Remarkably, this type of diabetes often responds well to sulfonylureas and insulin may not be necessary. More severe mutations in the KCNJ11 gene can cause early-onset diabetes which does not respond to the sulfonylurea drugs, as well as a syndrome of developmental delay and neurological features called the DEND syndrome. These forms of diabetes are very rare conditions, appearing in about 1/100,000 to 1/200,000 live births, and accounting for about 1/1000 of type 1 diabetes cases. Fewer than 5% of the cases assumed to exist have been diagnosed, and most diabetes clinics around the world are checking for KCNJ11 mutations in any persons who developed apparent insulin-dependent diabetes without the typical type 1 antibodies before 6 months of age. At least some of these people have been able to change from insulin to sulfonylurea pills after decades of injections.[citation needed]
See also
- Transient neonatal diabetes mellitus
References
- ^ Hattersley A, Gloyn A, Pearson E, Edgehill E, Flanagan S, Ellard S. Novel monogenic diabetes results from activating mutations in Kir6.2 Presented at the First Meeting for the European Group for the Study of Monogenic Diabetes ("MODY in Malaga"); Malaga, Spain, 21 October 2004. Published form should be available in 2005.
- PMID 17978456. Archived from the originalon June 10, 2008.
- ^ Online Mendelian Inheritance in Man (OMIM): 606176