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Updated: May 17, 2026
08:34
Utilizing Murine Inducible Telomerase Alleles in the Studies of Tissue Degeneration/Regeneration and Cancer
Published on: April 13, 2015
[Mammalian telomere biology]
Molekuliarnaia Biologiia
|November 2, 2012
Summary
Telomeres, protective chromosomal caps, are crucial for genome stability and cell division. Their length is dynamically regulated by telomerase, shelterin proteins, and other factors in normal and immortal cells.
Area of Science:
- Cell Biology
- Genetics
- Molecular Biology
Background:
- Telomeres are essential nucleoprotein structures capping eukaryotic chromosome ends.
- They prevent DNA degradation and end-to-end fusion, maintaining genome stability.
- Telomere function is intricately linked to telomerase activity, shelterin complexes, and associated proteins.
Purpose of the Study:
- To review telomere functioning in normal and immortal cells.
- To analyze mechanisms of telomere length control, including telomerase-dependent and alternative pathways.
- To discuss the role of telomeres in genome stability, cell division, and nuclear organization.
Main Methods:
- Literature review focusing on telomere biology.
- Analysis of telomere length regulation mechanisms.
- Consideration of telomere's role in cellular processes and genome maintenance.
Main Results:
- Telomere length is controlled by telomerase activity, shelterin, and associated factors.
- Alternative lengthening of telomeres (ALT) and telomere shortening mechanisms (t-cycles) are discussed.
- Shelterin proteins may dictate the dominant telomere length control pathway in mammalian cells.
Conclusions:
- Telomeres are vital for maintaining genome integrity and facilitating cell division.
- Understanding telomere dynamics is key to comprehending cellular aging and immortality.
- Telomere organization exhibits diversity across mammals, highlighting evolutionary adaptations.
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02:41Telomeres and Telomerase
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Overview
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