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Updated: Sep 25, 2025
09:13
Generation of Cancer Cell Clones to Visualize Telomeric Repeat-containing RNA TERRA Expressed from a Single Telomere in Living Cells
Published on: January 17, 2019
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Telomere Interacting Proteins and TERRA Regulation
Lara Pérez-Martínez1,2, Tina Wagner1,3, Brian Luke1,3
1Institute of Molecular Biology (IMB), Mainz, Germany.
Frontiers in Genetics
|April 25, 2022
Summary
Telomere shortening is linked to aging. Researchers identified proteins that regulate telomeric non-coding RNA (TERRA), a key factor in cellular aging, offering new insights into telomere dynamics.
Area of Science:
- Molecular Biology
- Genetics
- Biochemistry
Background:
- Telomere shortening correlates with aging and disease.
- Telomeric non-coding RNA (TERRA) is implicated in regulating replicative senescence.
- Understanding TERRA regulation is crucial for comprehending telomere shortening dynamics.
Purpose of the Study:
- To identify protein regulators of TERRA using a proteomics approach.
- To investigate how these proteins interact with telomeric sequences.
- To elucidate the role of TERRA-interacting proteins in telomere regulation.
Main Methods:
- Proteomics analysis to identify proteins associated with telomeric sequences.
- Investigation of protein-TERRA interactions.
- Analysis of protein effects on TERRA regulation in different telomere states.
Main Results:
- Identification of specific proteins that bind to telomeric sequences.
- Discovery of proteins that positively and negatively regulate TERRA.
- Evidence suggesting that protein regulation of TERRA is dependent on telomere status.
Conclusions:
- Proteins play a significant role in modulating TERRA levels and function.
- These findings expand the understanding of TERRA and telomere interactors.
- The identified proteins offer potential targets for future research into telomere shortening and aging.
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