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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...
Revisionist Views of Adolescent and Adult Cognition01:24

Revisionist Views of Adolescent and Adult Cognition

A revisionist approach to Jean Piaget's theory of cognitive development has brought new insights that challenge and reinterpret his established ideas. Piaget proposed that the formal operational stage, emerging in adolescence, represents the culmination of cognitive maturity. During this stage, individuals are said to develop abstract thinking, engage in systematic problem-solving, and show a form of egocentrism, believing others are as preoccupied with their behavior as they are themselves.
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

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...
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...
Cognitive Development During Adulthood01:30

Cognitive Development During Adulthood

Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
History of Microbiology01:28

History of Microbiology

Microbiology, a scientific field dedicated to the study of microorganisms, has undergone profound development since its inception in the 17th century. Its history is marked by key discoveries and technological advancements that have shaped our understanding of life at the microscopic level and transformed medicine, agriculture, and industry.Early Foundations of MicrobiologyThe early foundations of microbiology were built on groundbreaking observations and the development of pioneering...

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Related Experiment Video

Updated: Jun 30, 2026

Methods to Study Changes in Inherent Protein Aggregation with Age in Caenorhabditis elegans
11:57

Methods to Study Changes in Inherent Protein Aggregation with Age in Caenorhabditis elegans

Published on: November 26, 2017

Advances in age-old questions.

Darby J Carlson1, Anjeza Pashaj, Kylee Gardner

  • 1Biology Department, University of Nebraska at Kearney, Kearney, Nebraska, USA.

Fly
|September 30, 2008
PubMed
Summary

Fruit flies (Drosophila melanogaster) are excellent models for aging research due to their ease of use and genetic manipulability. The 49th Annual Drosophila Research Conference highlighted key findings in fly aging, including lifespan manipulation and gene expression studies.

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Continuous High-resolution Microscopic Observation of Replicative Aging in Budding Yeast
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Continuous High-resolution Microscopic Observation of Replicative Aging in Budding Yeast

Published on: August 20, 2013

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Last Updated: Jun 30, 2026

Methods to Study Changes in Inherent Protein Aggregation with Age in Caenorhabditis elegans
11:57

Methods to Study Changes in Inherent Protein Aggregation with Age in Caenorhabditis elegans

Published on: November 26, 2017

Continuous High-resolution Microscopic Observation of Replicative Aging in Budding Yeast
10:41

Continuous High-resolution Microscopic Observation of Replicative Aging in Budding Yeast

Published on: August 20, 2013

Area of Science:

  • Gerontology
  • Model Organisms
  • Physiology

Background:

  • Drosophila melanogaster offers significant advantages for aging research, including low cost, short lifecycles, and genetic tractability.
  • The 49th Annual Drosophila Research Conference featured extensive discussions on fly aging and physiology.

Framework:

  • Presentations covered life span manipulation, genetic factors influencing aging, and gene expression patterns.
  • Research explored signaling pathways and the utility of Drosophila as a model for age-related diseases.

Implementation:

  • Over 30 poster presentations and 8 platform talks focused on physiology and aging.
  • A dedicated workshop addressed longevity and functional senescence in Drosophila.

Implications:

  • Findings contribute to understanding fundamental aging processes and age-related diseases.
  • Drosophila melanogaster continues to be a powerful tool for advancing gerontological research.