Resistance to Chemotherapy in Lung Cancer Xenografts
Author Information
Author(s): R. Berman, B. Gusterson, G.G. Steel
Primary Institution: Institute of Cancer Research
Hypothesis
The study investigates the biological basis of drug resistance in small cell lung cancer xenografts.
Conclusion
The study found that resistance to alkylating agents in small cell lung cancer xenografts is associated with features of squamous differentiation.
Supporting Evidence
- Two xenografts were sensitive to cyclophosphamide, while one was resistant.
- The resistant xenograft showed increased production of a specific hormone compared to sensitive lines.
- Histological examination revealed squamous differentiation in resistant xenografts.
Takeaway
Some types of lung cancer can become resistant to treatment, and this resistance is linked to changes in the cancer cells.
Methodology
Xenografts from three patients were established in immune-suppressed mice, and their sensitivity to various alkylating agents was tested.
Limitations
The study only examined three xenografts, which may limit the generalizability of the findings.
Participant Demographics
Patients with small cell lung cancer.
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