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Related Experiment Videos

Programmed cell death: new thoughts and relevance to aging.

R A Lockshin1, Z F Zakeri

  • 1Department of Biological Sciences, St. John's University, Jamaica, New York.

Journal of Gerontology
|September 1, 1990
PubMed
Summary
This summary is machine-generated.

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International Cell Death Society annual meeting 2009.

Cell death and differentiation·2009

Cell death, crucial in development, is tightly regulated by various factors. Understanding these cell death mechanisms may lead to protecting cells or targeting cancer cells for destruction.

Area of Science:

  • Developmental Biology
  • Cell Biology
  • Molecular Biology

Background:

  • Cell death is a fundamental process in development, akin to cell division (mitosis).
  • Cell viability is maintained by endocrine, neuronal, diffusible, and cell-to-cell contact factors.
  • Specific circulating factors can trigger programmed cell death in targeted cells.

Purpose of the Study:

  • To explore the regulatory mechanisms of cell death in biological systems.
  • To investigate the role of gene regulation in the process of cell death.
  • To understand how cell death mechanisms in development relate to cellular senescence.

Main Methods:

  • Analysis of factors influencing cell viability (endocrine, neuronal, diffusible, cell contact).
  • Investigation of specific circulating factors inducing cell self-destruction.

Related Experiment Videos

  • Examination of gene regulation in cells undergoing death, including thymocytes.
  • Comparison of cell death mechanisms in development and senescence.

    • Main Results:

    • Cell death is tightly regulated, involving various external and internal factors.
    • Some cells are primed for self-destruction, activating specific enzymes.
    • Dying cells up-regulate a limited set of genes prior to death.
    • Cell death mechanisms in development appear to be involved in senescence.

    Conclusions:

    • Cell death regulation is complex, involving multiple signaling pathways and genetic control.
    • Understanding these pathways offers potential for therapeutic interventions.
    • Potential applications include protecting cells from loss and inducing lysis in malignant cells.