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Inhibitory effect of dietary inulin or oligofructose on the development of cancer metastases
1Unité de Pharmacocinétique, Métabolisme, Nutrition et Toxicologie, Université Catholique de Louvain, Avenue Em. Mounier, 73,UCL/PMNT 7369, B 1200 Bruxelles, Belgium. ferdinand@pmnt.ucl.ac.be
Abstract:
The possible influence of continuous dietary treatment with 15% inulin or oligofructose on the development of lung metastases of a transplantable liver tumor in young male C3H mice was investigated. Microscopical examination demonstrated a distinct inhibitory effect of this dietary treatment on the development of lung metastases of this tumor. There were 59% of mice bearing lung metastases in the control group, 36% in the inulin fed group and 35% in the oligofructose fed group. The total number of lung metastases was 37 in the control group, 18 in inulin fed and 6 in oligofructose fed mice. Several possible, mechanisms hypothetically involved in this astonishing inhibition of the development of lung metastases by dietary treatment with inulin or oligofructose are discussed.
Insights
Dietary inulin or oligofructose significantly inhibited liver tumor lung metastasis in mice. This dietary intervention reduced the incidence and number of lung metastases, suggesting a potential therapeutic role.
Area of Science:
- Oncology
- Nutrition Science
- Gastroenterology
Background:
- Liver cancer is a significant global health concern.
- Metastasis, particularly to the lungs, is a major cause of mortality in liver cancer patients.
- Dietary interventions are increasingly explored for cancer prevention and treatment.
Purpose of the Study:
- To investigate the effect of dietary inulin and oligofructose on the development of lung metastases from a transplantable liver tumor.
- To evaluate the inhibitory potential of these prebiotics on tumor metastasis.
Main Methods:
- Young male C3H mice were used in the study.
- Mice received continuous dietary treatment with 15% inulin or oligofructose.
- Microscopical examination was performed to assess lung metastases.
Main Results:
- Dietary inulin and oligofructose showed a distinct inhibitory effect on lung metastasis development.
- The percentage of mice with lung metastases was 59% (control), 36% (inulin), and 35% (oligofructose).
- The total number of lung metastases was significantly reduced: 37 (control), 18 (inulin), and 6 (oligofructose).
Conclusions:
- Continuous dietary intake of inulin or oligofructose effectively inhibits the development of lung metastases from liver tumors.
- These prebiotics demonstrate a promising role in reducing cancer metastasis.
- Further research into the underlying mechanisms of this inhibition is warranted.
