Quantifying Tumorigenic Cancer Cells in Mice
Author Information
Author(s): E. Mayhew, D. Glaves
Primary Institution: Roswell Park Memorial Institute
Hypothesis
The study aims to quantify the number of potentially tumorigenic cancer cells released into circulation and arrested in the lungs of mice with specific types of tumors.
Conclusion
The study found that a significant number of potentially tumorigenic cancer cells can be detected in the circulation and lungs of tumor-bearing mice, even before overt metastases appear.
Supporting Evidence
- Viable cancer cells were detectable within 4 days of tumor growth.
- 98% of mice with circulating cancer cells had potentially tumorigenic cells in their lungs.
- The bioassay procedure can detect as few as 10 to 100 tumorigenic cells.
Takeaway
The researchers figured out how to count cancer cells in mice's blood and lungs to see how many could cause tumors, even if they weren't causing visible problems yet.
Methodology
The study used a bioassay procedure to quantify tumorigenic cancer cells in the blood and lungs of mice with tumors.
Limitations
The study did not record the incidence of metastases for Lewis lung carcinoma in bioassay experiments, which may limit the understanding of its metastatic potential.
Participant Demographics
C57BL/6J female mice aged 6-10 weeks were used in the experiments.
Statistical Information
P-Value
p<0.05
Confidence Interval
approximately ±1 log10 unit
Statistical Significance
p<0.05
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