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[Genetics of aging]

A Macieira-Coelho1

  • 1INSERM, Versailles.

Comptes Rendus Des Seances De La Societe De Biologie Et De Ses Filiales
|January 1, 1997
PubMed
Summary
This summary is machine-generated.

Genetic factors influence aging, but genes alone do not determine the aging process. The complex organization of the genome and emerging theories on complex systems are crucial for understanding aging.

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Area of Science:

  • Gerontology
  • Genetics
  • Systems Biology

Context:

  • Classical genetic theories of aging, based on Mendelian inheritance and natural selection, face limitations in explaining recent findings.
  • The human genome's vast uncharacterized regions and the complexity of genetic interactions necessitate broader perspectives.
  • Emerging paradigms in systems biology offer alternative frameworks for understanding aging processes.

Purpose:

  • To review classical genetic theories of aging and highlight unanswered questions.
  • To explore the role of genome organization beyond simple gene determinants.
  • To consider alternative theoretical frameworks for aging, including those based on complex systems.

Summary:

  • Aging is influenced by genetic factors, but genes are not the sole determinants.

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  • The organization and function of the entire genome, not just individual genes, play a significant role in aging.
  • Current genetic theories of aging, primarily based on natural selection, are being complemented by systems biology approaches.
  • The spontaneous organization of complex systems provides a new paradigm for understanding aging.

    • Impact:

    • Challenges the sufficiency of classical genetic models for aging.
    • Highlights the importance of exploring the non-coding genome and epigenetic factors.
    • Suggests a shift towards systems-level understanding of aging.
    • Opens new avenues for research into aging mechanisms and interventions by integrating genetic and systems biology perspectives.