Telomere Targeting Approaches in Cancer: Beyond Length Maintenance
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Updated: Sep 27, 2025

Telomere Length and Telomerase Activity; A Yin and Yang of Cell Senescence
Published on: May 22, 2013
Eleonora Vertecchi1, Angela Rizzo2, Erica Salvati1
1Institute of Molecular Biology and Pathology, National Research Council, Rome, Italy, c/o Department of Biology and Biotechnology, Sapienza University of Rome, Via degli Apuli 4, 00185 Rome, Italy.
Abstract:
Telomeres are crucial structures that preserve genome stability. Their progressive erosion over numerous DNA duplications determines the senescence of cells and organisms. As telomere length homeostasis is critical for cancer development, nowadays, telomere maintenance mechanisms are established targets in cancer treatment. Besides telomere elongation, telomere dysfunction impinges on intracellular signaling pathways, in particular DNA damage signaling and repair, affecting cancer cell survival and proliferation. This review summarizes and discusses recent findings in anticancer drug development targeting different "telosome" components.
Insights
Telomere length is vital for cell stability and cancer development. This review covers new anticancer drugs targeting telomere maintenance mechanisms and their impact on cancer cell survival.
Area of Science:
- Genetics and Molecular Biology
- Cancer Research
- Cell Biology
Background:
- Telomeres protect genome stability but shorten with cell division.
- Telomere shortening leads to cellular senescence and organism aging.
- Telomere maintenance is crucial for cancer cell survival and proliferation.
Purpose of the Study:
- To review recent advancements in anticancer drug development.
- To focus on drugs targeting telomere maintenance mechanisms.
- To discuss the impact of telomere dysfunction on cancer signaling pathways.
Main Methods:
- Literature review of recent findings.
- Analysis of drug development targeting telomere components.
- Discussion of telomere dysfunction's role in DNA damage signaling and repair.
Main Results:
- Telomere maintenance mechanisms are key targets in cancer therapy.
- Telomere dysfunction affects DNA damage response pathways.
- Various "telosome" components are being explored for drug development.
Conclusions:
- Targeting telomere maintenance offers a promising strategy for cancer treatment.
- Understanding telomere biology is critical for developing effective anticancer drugs.
- Drug development focuses on inhibiting or manipulating telomere elongation and function.
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