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Related Experiment Videos

Aging and the brain

J E Goldman1, N Y Calingasan, G E Gibson

  • 1Department of Pathology, Columbia University College of Physicians and Surgeons, New York, NY 10032.

Current Opinion in Neurology
|August 1, 1994
PubMed
Summary

Aging mammalian central nervous systems undergo significant changes affecting neurotransmitter systems and calcium homeostasis. This review details these alterations, including synaptic transmission and neuropathology, in both humans and other mammals.

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Area of Science:

  • Neuroscience
  • Gerontology
  • Mammalian Biology

Background:

  • The aging process in the mammalian central nervous system (CNS) is characterized by complex physiological and structural alterations.
  • Understanding these changes is crucial for addressing age-related neurological disorders.

Purpose of the Study:

  • To provide a comprehensive review of the key changes occurring in the mammalian CNS during aging.
  • To highlight specific areas of focus including neurotransmitter systems, calcium regulation, and synaptic function.

Main Methods:

  • Literature review synthesizing findings from studies on aging in human and nonhuman mammalian CNS.
  • Analysis of research focusing on molecular, cellular, and anatomical changes associated with senescence.

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Main Results:

  • Aging impacts neurotransmitter systems, leading to altered signaling pathways.
  • Disruptions in calcium homeostasis and synaptic transmission are prominent features of CNS aging.
  • Accumulation of amyloid and other neuropathological hallmarks, alongside anatomical shifts, are observed.

Conclusions:

  • The aging mammalian CNS exhibits multifaceted changes impacting neuronal function and brain structure.
  • These age-related alterations in the CNS provide insights into neurodegenerative processes and potential therapeutic targets.