Granulocyte-Colony Stimulating Factor Production in Tumor Xenografts
Author Information
Author(s): Y. Katoh, M. Nakamura, Y. Ohnishi, K. Shimamura, Y. Ueyama, N. Tamaoki
Primary Institution: Tokai University School of Medicine
Hypothesis
Does the production of granulocyte-colony stimulating factor (G-CSF) by tumor xenografts contribute to leukocytosis in host animals?
Conclusion
The study found that G-CSF production is common in human tumor xenografts associated with leukocytosis, but other factors are also likely involved.
Supporting Evidence
- Seventeen of 155 human tumor xenografts induced leukocytosis in nude rats.
- Ten of the 17 xenografts expressed the G-CSF gene.
- Serum G-CSF levels increased significantly in host animals with G-CSF expressing xenografts.
Takeaway
Some tumors can make a substance called G-CSF that makes more white blood cells, which can be a problem for the body.
Methodology
The study examined 155 human tumor xenografts in nude mice to assess G-CSF production and its association with leukocytosis.
Limitations
The study did not explore all potential factors contributing to leukocytosis beyond G-CSF.
Participant Demographics
The study involved human tumor xenografts established in nude mice.
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