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Recent Advances in Neonatal Diabetes

Amanda Dahl1, Seema Kumar1

  • 1Division of Pediatric Endocrinology and Metabolism, Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, USA.

Diabetes, Metabolic Syndrome and Obesity : Targets and Therapy
|February 28, 2020
PubMed

Insights

Neonatal diabetes mellitus (DM) is a rare condition presenting in infancy. Genetic testing is crucial, as specific gene mutations guide treatment, distinguishing between oral sulfonylurea therapy and insulin dependence.

Area of Science:

  • Endocrinology
  • Genetics
  • Pediatrics

Background:

  • Neonatal diabetes mellitus (DM) is characterized by persistent hyperglycemia within the first year of life.
  • Over 80% of cases are caused by genetic mutations affecting pancreatic beta cells or insulin regulation.
  • Neonatal DM can be transient, permanent, or part of a larger syndrome.

Purpose of the Study:

  • To highlight the significance of genetic testing in diagnosing and managing neonatal diabetes mellitus.
  • To correlate specific genetic mutations with distinct treatment strategies and patient outcomes.

Main Methods:

  • Review of clinical definitions and genetic causes of neonatal DM.
  • Analysis of the impact of specific gene mutations on treatment modalities.
  • Correlation of genetic findings with therapeutic responses.

Main Results:

  • Genetic mutations are identified in over 80% of infants with neonatal DM.
  • Mutations in KCNJ11 or ABCC8 genes, encoding KATP channel subunits, predict a positive response to sulfonylurea oral therapy.
  • Other genetic mutations necessitate insulin treatment.

Conclusions:

  • Genetic testing is essential for accurate diagnosis and personalized treatment of neonatal DM.
  • Targeted genetic analysis allows for effective management, differentiating between oral agents and insulin.
  • Understanding the genetic basis of neonatal DM improves patient outcomes.

Keywords:
ABCC8KCNJ11neonatal diabetessulfonylurea

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