Detecting Cancer Cells in Blood Using Telomerase Activity
Author Information
Author(s): Gauthier L R, Granotier C, Soria J-C, Faivre S, Boige V, Raymond E, Boussin F D
Primary Institution: Laboratoire de RadioPathologie, DRR/DSV CEA
Hypothesis
Can telomerase activity be used to detect circulating carcinoma cells in the blood of cancer patients?
Conclusion
The developed method successfully detected telomerase activity in a significant number of cancer patients, indicating its potential as a diagnostic tool.
Supporting Evidence
- Telomerase activity was not found in any samples from 30 healthy donors.
- Telomerase activity was detected in 73% of patients with stage IIIB or IV non-small cell lung cancer.
- Telomerase activity was detected in 72% of patients with stage C or D colon cancer.
Takeaway
Scientists found a way to check for cancer cells in blood by looking for a special marker called telomerase, which is often present in cancer patients.
Methodology
The study used immunomagnetic separation to harvest circulating epithelial cells and measured telomerase activity using a TRAP-ELISA method.
Participant Demographics
The study included 30 healthy donors and 26 cancer patients (15 with non-small cell lung cancer and 11 with colon cancer).
Digital Object Identifier (DOI)
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