Anti-tumour activity of low-toxicity lipopolysaccharide from Bordetella pertussis
Author Information
Author(s): M. Ohnishi, S. Kimura, M. Yamazaki, H. Oshima, D.-I. Mizuno, S. Abel, H. Yamaguchi
Primary Institution: Teikyo University
Hypothesis
Can a low-toxicity lipopolysaccharide (BP-LPS) from Bordetella pertussis exhibit anti-tumour activity without severe toxicity?
Conclusion
BP-LPS shows strong anti-tumour activity against various murine tumours with significantly lower toxicity compared to other lipopolysaccharides.
Supporting Evidence
- BP-LPS was less toxic than E. coli LPS, with a higher LD50.
- BP-LPS caused complete tumour regression in all mice injected with MM46 carcinoma.
- Mice treated with BP-LPS survived without significant weight loss.
Takeaway
Researchers found that a special substance from Bordetella pertussis can help fight tumors without making mice sick.
Methodology
Mice were injected with BP-LPS and various tumours were monitored for growth inhibition and toxicity.
Limitations
The study primarily involved murine models, which may not fully represent human responses.
Participant Demographics
Male C3H/HeN, Balb/c, and C57BL/6 mice were used.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
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