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Diabetes mellitus, permanent neonatal 2

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Description

Permanent neonatal diabetes mellitus-2 (PNDM2) is characterized by onset of insulin-requiring hyperglycemia within the first months of life that requires insulin therapy throughout life. Some patients additionally have marked developmental delay, muscle weakness, and epilepsy (Gloyn et al., 2004). The triad of developmental delay, epilepsy, and neonatal diabetes is known as DEND (Shimomura et al., 2007). Proks et al. (2006) stated that heterozygous activating mutations in KCNJ11 are the most common cause of PNDM and account for 26 to 64% of cases, and that neurologic features are found in 20% of patients with KCNJ11 mutations. For a discussion of genetic heterogeneity of permanent neonatal diabetes mellitus, see PNDM1 (606176).

OMIM

  • Mode of Inheritance

  • Autosomal dominant inheritance

VARIANTS

15

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Genes

External Links

  • OMIM

    618856

  • Orphanet
  • HPO
  • Medgen

    C5394296

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