Apoptosis

, Volume 14, Issue 12, pp 1472–1483

Diabetes and apoptosis: neural crest cells and neural tube

  • James H. ChappellJr.
  • Xiao Dan Wang
  • Mary R. Loeken
Diabetes and Apoptosis

DOI: 10.1007/s10495-009-0338-6

Cite this article as:
Chappell, J.H., Wang, X.D. & Loeken, M.R. Apoptosis (2009) 14: 1472. doi:10.1007/s10495-009-0338-6

Abstract

Birth defects resulting from diabetic pregnancy are associated with apoptosis of a critical mass of progenitor cells early during the formation of the affected organ(s). Insufficient expression of genes that regulate viability of the progenitor cells is responsible for the apoptosis. In particular, maternal diabetes inhibits expression of a gene, Pax3, that encodes a transcription factor which is expressed in neural crest and neuroepithelial cells. As a result of insufficient Pax3, cardiac neural crest and neuroepithelial cells undergo apoptosis by a process dependent on the p53 tumor suppressor protein. This, then provides a cellular explanation for the cardiac outflow tract and neural tube and defects induced by diabetic pregnancy.

Keywords

Diabetic pregnancyCongenital defectsNeural tube defectCardiac outflow tract defectApoptosisOxidative stressPax3p53

Abbreviations

T1DM

Type 1 diabetes mellitus

T2DM

Type 2 diabetes mellitus

STZ

Streptozotocin

NTD

Neural tube defect(s)

COTD

Cardiac outflow tract defect(s)

CNC

Cardiac neural crest

Glut

Glucose transporter(s)

GSH

Reduced glutathione

GSSG

Oxidized glutathione

Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • James H. ChappellJr.
    • 1
  • Xiao Dan Wang
    • 1
  • Mary R. Loeken
    • 1
  1. 1.Section on Developmental and Stem Cell BiologyJoslin Diabetes CenterBostonUSA