Periodate-treated, non-anticoagulant heparin-carrying polystyrene affects angiogenesis and inhibits subcutaneous induced tumour growth and metastasis to the lung
2002

Heparin-like Substance Inhibits Tumor Growth and Metastasis

Sample size: 8 publication 10 minutes Evidence: high

Author Information

Author(s): Ono K, Ishihara M, Ishikawa K, Ozeki Y, Deguchi H, Sato M, Hashimoto H, Saito Y, Yura H, Kurita A, Maehara T

Primary Institution: National Defense Medical College

Hypothesis

Does non-anticoagulant heparin-carrying polystyrene inhibit tumor growth and metastasis?

Conclusion

Non-anticoagulant heparin-carrying polystyrene significantly inhibits tumor growth and metastasis in mice.

Supporting Evidence

  • NAC-HCPS inhibited tumor growth to about 10% of the control group.
  • NAC-HCPS significantly reduced the number of CD34-positive vessels in tumors.
  • NAC-HCPS showed strong inhibitory effects on endothelial cell growth.
  • NAC-HCPS inhibited the adhesion of tumor cells to Matrigel-coated plates.
  • NAC-HCPS reduced lung metastasis of tumor cells in mice.

Takeaway

A special type of heparin can help stop tumors from growing and spreading in mice, which could be useful for cancer treatment.

Methodology

The study involved in vitro and in vivo experiments to evaluate the effects of NAC-HCPS on tumor growth, angiogenesis, and metastasis using various cancer cell lines and mouse models.

Potential Biases

Potential bias in the selection of cell lines and animal models used in the study.

Limitations

The study primarily focused on specific cancer cell lines and may not be generalizable to all types of tumors.

Participant Demographics

Male C57BL/6 mice, 6-7 weeks old.

Statistical Information

P-Value

0.0065

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1038/sj.bjc.6600307

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