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Telomerase inhibitors.

P T Rowley1, M Tabler

  • 1Department of Medicine and Division of Genetics, University of Rochester School of Medicine, Rochester, New York 14642, USA. peter_rowley@urmc.rochester.edu

Anticancer Research
|February 24, 2001
PubMed
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Telomerase is a key target in anticancer research. Inhibiting telomerase activity in cancer cells, while sparing normal cells, is crucial for developing effective cancer therapies.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Oncology

Background:

  • Telomerase is highly active in most cancer cells, making it a promising target for anticancer drug development.
  • Most normal somatic cells exhibit low or undetectable telomerase activity.
  • Current research focuses on inhibiting telomerase to halt cancer cell proliferation.

Purpose of the Study:

  • To review and evaluate different strategies for inhibiting telomerase activity.
  • To discuss the potential of various agents, including antisense oligonucleotides, ribozymes, and G-quadruplex stabilizers.
  • To define the criteria for a specific telomerase inhibitor.

Main Methods:

  • Review of existing literature on telomerase inhibitors.
  • Analysis of different inhibitory approaches targeting telomerase RNA and G-quadruplex structures.

Related Experiment Videos

  • Discussion of screening methods and challenges in identifying specific inhibitors.

    • Main Results:

    • Antisense approaches targeting telomerase RNA have been extensively studied.
    • Ribozymes targeting telomerase have been less investigated.
    • Agents stabilizing G-quadruplex structures show potential for telomerase inhibition.
    • The specificity of many identified inhibitors remains uncertain.

    Conclusions:

    • Developing specific telomerase inhibitors is essential for effective cancer therapy.
    • A specific inhibitor should halt telomerase activity without immediately affecting cell division.
    • Long-term effects of specific inhibitors include telomere shortening, chromosomal fusion, and growth arrest.