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Telomerase activation in cervical cancer
1Program in Cancer Biology, Fred Hutchinson Cancer Research Center, University of Washington, Seattle 98104, USA.
The American Journal of Pathology
|July 1, 1997
Summary
Telomerase activation is common in high-grade cervical cancers, suggesting its potential as a diagnostic marker. This enzyme
Area of Science:
- Oncology
- Virology
- Molecular Biology
Background:
- High-risk human papillomaviruses (HPVs) are implicated in cervical cancer development.
- Telomerase activation, linked to cellular immortality, is observed in many cancers.
Purpose of the Study:
- To investigate telomerase activity in high-grade cervical cancers.
- To detect the presence of HPV in these same cancer tissues.
Main Methods:
- Examined 10 high-grade cervical cancers and paired normal tissues.
- Assessed telomerase activity.
- Used polymerase chain reaction (PCR) to detect HPV nucleic acids (L1 and E6 regions).
Main Results:
- Telomerase activity was present in all 10 cervical cancers, but not in normal tissues.
- HPV DNA was detected in 7 of 10 cancers (HPV-16 in 3, HPV-18 in 4).
- HPV DNA was absent in 3 of the 10 cancers.
Conclusions:
- Telomerase activation is a frequent event in high-grade cervical cancers.
- Telomerase activity may serve as a valuable diagnostic marker for cervical cancer.