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Updated: Jul 13, 2026
12:08
Telomere Length and Telomerase Activity; A Yin and Yang of Cell Senescence
Published on: May 22, 2013
Telomere dynamics: the means to an end.
1Ruder Bosković Institute, Department of Molecular Biology, Zagreb, Croatia.
Cell Proliferation
|July 20, 2007
Summary
Telomeres, the protective caps of chromosomes, are vital for genome stability and cell division. This review explores how telomere length is regulated, impacting cell growth and aging.
Area of Science:
- Molecular Biology
- Genetics
- Cell Biology
Background:
- Telomeres are essential structures at the ends of linear chromosomes in eukaryotic cells.
- They are composed of repetitive DNA sequences (TTAGGG)n and associated proteins, forming the telosome.
- Telomeres are critical for maintaining genome stability, regulating cell division, growth, and senescence.
Purpose of the Study:
- To review the structural and mechanistic aspects of telomere length regulation.
- To examine how these regulatory processes influence normal and immortal cell growth.
Main Methods:
- Literature review of structural and mechanistic studies on telomere length regulation.
- Analysis of the interplay between telomere components and cellular factors.
- Survey of research linking telomere dynamics to cell proliferation and aging.
Main Results:
- Telomere length is dynamically regulated through complex interactions of DNA sequences and proteins.
- Alterations in telomere maintenance mechanisms directly affect cell division control.
- Dysregulation of telomere length is implicated in both normal cellular senescence and immortal cell proliferation.
Conclusions:
- Understanding telomere structure and regulation is key to comprehending genome maintenance.
- Telomere length dynamics play a significant role in cellular aging and cancer biology.
- Further research into telomere regulation could offer insights into therapeutic strategies for age-related diseases and cancer.
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