Related Experiment Video
Updated: Aug 26, 2025
12:08
Telomere Length and Telomerase Activity; A Yin and Yang of Cell Senescence
Published on: May 22, 2013
46.6K
The Relationship Between Telomeres, Cognition, Mood, and Physical Function: A Systematic Review
Sameena F Sheikh-Wu1, Zhan Liang1, Charles A Downs1
15452University of Miami, Coral Gables, FL, USA.
Biological Research for Nursing
|October 12, 2022
Summary
Telomere attrition, the shortening of chromosome ends, is linked to chronic illness symptoms. Interventions like exercise show potential for improving health outcomes by influencing telomere length.
Area of Science:
- Investigates the role of telomeres (chromosome end structures) in chronic illness.
- Examines telomere attrition's connection to cognitive, affective, and physical symptoms.
Background:
- Chronic illnesses involve diverse symptoms influenced by environmental, psychological, and physiological factors.
- Telomere attrition, affected by lifestyle and disease processes, is associated with chronic diseases and mortality.
- Existing research on telomeres and health outcomes presents inconsistent findings.
Approach:
- A comprehensive literature search was conducted in CINAHL and PubMed.
- 33 articles published between 2000 and 2022 were analyzed.
- Synthesizes the current scientific understanding of telomeres and their relationship with symptom experience.
Key Points:
- Telomere attrition correlates with changes in cognitive, affective, and physical function and symptoms.
- The relationship between telomere attrition and health outcomes remains inconsistent.
- Interventional studies suggest that practices like meditation and exercise may impact telomere attrition.
Conclusions:
- Nursing research is crucial for advancing the understanding of telomeres in relation to chronic illness symptoms.
- Future interventions targeting modifiable risk factors could improve health outcomes.
- Further research is needed to clarify the complex role of telomeres in health and disease.
Related Concept Videos
02:41Telomeres and Telomerase
5.3K
5.3K
01:26Aging
154
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...
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...
154
01:30Cognitive Development During Adulthood
214
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,...
214
01:03Long-term Depression
2.6K
Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
If over...
Calcium Ion Concentration Mechanism
If over...
2.6K
01:27Language and Cognition
412
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
412
01:30Stress and Mental Health
199
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
Individuals with depression often experience challenges in both their personal and professional...
199