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Programmed cell death and its clinical implications

Bandhana Katoch1, Sonia Sebastian, Sudhir Sahdev

  • 1Department of Biochemistry, M. S. University of Baroda, Vadodara 390 002, India

Indian Journal of Experimental Biology
|March 8, 2003
PubMed

Insights

Programmed cell death (PCD) is a regulated process vital for development. Alternative pathways exist beyond caspases, suggesting conserved mechanisms and therapeutic potential for diseases linked to PCD dysregulation.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Genetics

Background:

  • Programmed cell death (PCD) is a fundamental biological process in eukaryotes, crucial for development in both animals and plants.
  • Apoptosis, a well-studied form of PCD, involves a central 'death switch' including the apoptosome and executioner caspases.
  • Alternative cell death pathways exist, independent of the caspase cascade, highlighting the complexity of PCD regulation.

Purpose of the Study:

  • To explore the mechanisms and evolutionary conservation of programmed cell death pathways.
  • To investigate the role of PCD dysregulation in various disease states and aging.
  • To identify potential therapeutic targets within PCD pathways for novel medical interventions.

Main Methods:

  • Review of existing literature on apoptosis and non-apoptotic cell death pathways.
  • Analysis of conserved molecular components, such as cytochrome C release from mitochondria.
  • Correlation of PCD dysregulation with disease pathologies and aging processes.

Main Results:

  • Identification of the apoptosome and caspases as key players in apoptosis.
  • Evidence for evolutionarily conserved PCD pathways, indicated by mitochondrial cytochrome C release in plants and animals.
  • Linkage of aberrant apoptosis to diseases including neurodegeneration, cancer, and autoimmune disorders.

Conclusions:

  • Programmed cell death is a complex, conserved process with multiple regulatory pathways.
  • Dysregulation of PCD is implicated in numerous diseases and aging, presenting therapeutic opportunities.
  • Targeting specific molecules in PCD pathways offers potential for developing new drugs and gene therapies.

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