Role of apoptosis in pancreatic β-cell death in diabetes

Joya Chandra, Boris Zhivotovsky, Sergei Zaitsev, Lisa Juntti-Berggren, Per Olof Berggren, Sten Orrenius

Research output: Contribution to journalArticle

87 Scopus citations

Abstract

Apoptosis is a physiological form of cell death that occurs during normal development, and critical mediators of this process include caspases, reactive oxygen species, and Ca2+. Excessive apoptosis of the pancreatic β-cell has been associated with diabetes. Consequently, apoptosis research has focused on how infiltrating macrophages or cytotoxic T-cells might kill pancreatic β-cells using cytokines or death receptor triggering. Meanwhile, the intracellular events in the target β-cell have been largely ignored. Elucidation of such targets might help develop improved treatment strategies for diabetes. This article will outline recent developments in apoptosis research, with emphasis on mechanisms that may be relevant to β-cell death in type 1 and type 2 diabetes. Several of the models proposed in β-cell killing converge on Ca2+ signaling, indicating that the pancreatic β-cell may be an ideal system in which to carefully dissect the role of Ca2+ during apoptosis.

Original languageEnglish (US)
Pages (from-to)S44-S47
JournalDiabetes
Volume50
Issue numberSUPPL. 1
DOIs
StatePublished - 2001

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism

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    Chandra, J., Zhivotovsky, B., Zaitsev, S., Juntti-Berggren, L., Berggren, P. O., & Orrenius, S. (2001). Role of apoptosis in pancreatic β-cell death in diabetes. Diabetes, 50(SUPPL. 1), S44-S47. https://doi.org/10.2337/diabetes.50.2007.s44