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Updated: Jul 10, 2026
12:08
Telomere Length and Telomerase Activity; A Yin and Yang of Cell Senescence
Published on: May 22, 2013
Telomere shortening and ageing
1Kidney Disease Center, The 1st Affiliated Hospital of Zhe Jiang University, Zhejiang, China.
Zeitschrift Fur Gerontologie Und Geriatrie
|October 19, 2007
Summary
Telomere shortening limits cell division and acts as a tumor suppressor. However, it also negatively impacts aging, regeneration, and increases cancer risk.
Area of Science:
- Human genetics and molecular biology
- Cellular biology
- Gerontology
Background:
- Telomeres are protective caps at the ends of human chromosomes.
- Telomere shortening occurs with each cell division, limiting cellular proliferation.
- This shortening can induce cellular senescence, differentiation, or apoptosis.
Purpose of the Study:
- To review the multifaceted role of telomere shortening in human aging.
- To explore the connection between telomere shortening and chronic diseases.
- To summarize the implications of telomere shortening in cancer development.
Main Methods:
- Literature review of current research on telomeres.
- Analysis of studies investigating telomere length in aging populations.
- Examination of data linking telomere dynamics to disease and cancer.
Main Results:
- Telomere shortening acts as a tumor suppressor mechanism.
- Shortened telomeres impair stem cell function and organ maintenance during aging.
- Age-related telomere attrition is associated with increased cancer incidence.
Conclusions:
- Telomere length is a critical factor in cellular aging and organismal health.
- Understanding telomere dynamics is crucial for addressing age-related diseases and cancer.
- Telomere shortening presents a dual role, balancing tumor suppression with limitations on regenerative capacity.
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02:41Telomeres and Telomerase
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Overview
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