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Related Concept Videos

Aging01:26

Aging

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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...
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Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

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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...
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Mitochondria01:37

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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,...
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The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

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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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Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

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As individuals age, their body's physiology evolves, affecting drug pharmacokinetics. The most apparent changes occur in the gastrointestinal tract, where an increase in gastric pH, a delay in gastric emptying, and a reduction in gastrointestinal motility are observed. Remarkably, these changes do not substantially modify the absorption of orally administered drugs, particularly those absorbed via passive diffusion.Transdermal drug delivery emerges as a highly viable method for older adults due...
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Longitudinal Research02:20

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Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Author Spotlight: Automated Lifespan Monitoring – Discovering Aging Dynamics with the Lifespan Machine
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New methodologies in ageing research.

Brenna Osborne1, Daniela Bakula1, Michael Ben Ezra1

  • 1Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark.

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Cutting-edge technologies are revolutionizing ageing research. New model organisms, high-throughput methods, and machine learning offer critical insights into ageing mechanisms and diseases.

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Area of Science:

  • Gerontology and Biomedical Sciences
  • Molecular Biology and Genetics
  • Computational Biology

Background:

  • Ageing is a complex biological process with significant implications for human health.
  • Understanding ageing mechanisms is crucial for developing treatments for age-related diseases.
  • Emerging technologies are vital for advancing ageing research.

Purpose of the Study:

  • To review the latest technological advancements in ageing research.
  • To highlight novel approaches for studying the biology of ageing.
  • To provide insights into future directions in the field.

Main Methods:

  • Exploration of emerging model organisms for ageing studies.
  • Application of high-throughput methodologies for large-scale analysis.
  • Integration of machine-driven approaches and artificial intelligence.

Main Results:

  • Identification of novel model systems that offer unique advantages for ageing research.
  • Demonstration of the power of high-throughput screening in uncovering ageing-related pathways.
  • Showcasing the potential of machine learning in predicting and understanding ageing phenotypes.

Conclusions:

  • Technological innovation is accelerating the pace of discovery in ageing research.
  • New tools and approaches are providing unprecedented insights into the complexities of ageing.
  • These advancements hold promise for the development of interventions against age-related diseases.