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Related Experiment Videos

Telomerase activation in human cancers.

S W Tsao1, D K Zhang, R Y Cheng

  • 1Department of Anatomy, Faculty of Medicine, University of Hong Kong, Hong Kong, China.

Chinese Medical Journal
|March 14, 2001
PubMed
Summary
This summary is machine-generated.

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Telomerase activation, common in cancer cells, maintains telomere length and can serve as a marker for malignancy. This enzyme is also a potential therapeutic target for cancer treatment.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Telomeres progressively shorten with cell division in normal somatic cells.
  • Telomerase activation is crucial for maintaining telomere length.
  • This enzyme is active in most cancer cells and immortal germ cells.

Purpose of the Study:

  • To review the background of telomerase activation.
  • To examine the methodologies for determining telomerase activation.
  • To assess the clinical and pathological significance of telomerase activation in human cancers.

Main Methods:

  • Comprehensive English-language literature search of MEDLINE (1966-1997).
  • Bibliographic reviews of relevant textbooks and review articles.

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Main Results:

  • Telomere shortening is linked to continuous cell division in normal cells.
  • Telomerase activation occurs in the majority of cancer cells and immortal germ cells.
  • The study evaluated the occurrence and clinico-pathological significance of telomerase activation across various human cancers.

Conclusions:

  • Telomerase activation is a frequent event in human cancers.
  • It may function as a valuable biomarker for identifying malignant cells.
  • Telomerase presents a potential therapeutic target for developing novel cancer treatments.