Neonatal and very-early-onset diabetes mellitus

Michel Polak1, Julian Shield

  • 1Paediatric Endocrinology and INSERM EMI 0363, Hôpital Necker-Enfants Malades, Paris, France. michel.polak@nck.ap-hop-paris.fr

Insights

Transient (TNDM) and permanent neonatal diabetes mellitus (PNDM) are rare infant conditions. Understanding their mechanisms offers insights into fetal development, islet cell function, and type 2 diabetes predisposition.

Area of Science:

  • Endocrinology
  • Pediatrics
  • Genetics

Background:

  • Neonatal diabetes mellitus (NDM) encompasses transient (TNDM) and permanent (PNDM) forms, affecting 1 in 400,000-500,000 live births.
  • TNDM presents in early infancy, resolves, but often relapses later as type 2 diabetes, suggesting persistent pancreatic dysfunction.
  • PNDM involves early-onset insulin secretory failure with identified molecular causes.

Purpose of the Study:

  • To explore the underlying mechanisms of TNDM and PNDM.
  • To investigate the implications of TNDM for fetal pancreatic development, islet cell physiology, and type 2 diabetes risk.
  • To review management strategies for neonatal diabetes, including insulin pump therapy.

Main Methods:

  • Literature review and synthesis of existing research on TNDM and PNDM.
  • Analysis of clinical presentations and suspected etiologies.
  • Discussion of therapeutic approaches.

Main Results:

  • TNDM involves temporary diabetes with potential for later relapse, linked to metabolic stress.
  • PNDM has diverse molecular underpinnings.
  • Insulin pump therapy is a viable option for neonatal insulin management.

Conclusions:

  • NDM pathogenesis offers insights into broader diabetes development and physiology.
  • Further research into TNDM mechanisms may illuminate type 2 diabetes predisposition.
  • Effective insulin management is crucial for infants with PNDM.

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