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Related Concept Videos

Aging01:26

Aging

Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Mitochondria01:37

Mitochondria

Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...

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Related Experiment Video

Updated: Jun 10, 2026

Dissecting the Non-human Primate Brain in Stereotaxic Space
09:09

Dissecting the Non-human Primate Brain in Stereotaxic Space

Published on: July 16, 2009

Prospects and perspectives in primate aging research.

Rozalyn M Anderson1, Ricki J Colman

  • 1Department of Medicine, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin, USA. rmanderson5@wisc.edu

Antioxidants & Redox Signaling
|August 18, 2010
PubMed
Summary

Aging research aims to understand age-related frailty and disease vulnerability. Nonhuman primate models offer unique opportunities for mechanistic studies to advance human health care.

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Last Updated: Jun 10, 2026

Dissecting the Non-human Primate Brain in Stereotaxic Space
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Area of Science:

  • Gerontology and Biomedical Research
  • Comparative Biology and Aging

Background:

  • Global life expectancy is increasing, leading to a larger elderly population.
  • Understanding the biological mechanisms of aging and age-related diseases is crucial.
  • Direct human aging studies are limited in mechanistic scope.

Discussion:

  • Nonhuman primates serve as valuable models for aging research.
  • This forum highlights recent advances in primate aging studies.
  • Primate models facilitate mechanistic discovery relevant to human aging.

Key Insights:

  • Primate aging research provides insights into frailty and disease vulnerability.
  • Novel techniques can be validated in nonhuman primates.
  • Mechanistic studies in primates can inform human health strategies.

Outlook:

  • Further exploration of nonhuman primate models is encouraged.
  • Validation of novel approaches in primates is essential before human application.
  • This research aims to accelerate discoveries in human aging and health care.