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Growth inhibition of transplantable mouse tumors by non-digestible carbohydrates
H S Taper1, N M Delzenne, M B Roberfroid
1Département des sciences pharmaceutiques, Université catholique de Louvain, Brussels, Belgium.
Abstract:
The possible influence of dietary non-digestible carbohydrates (15% oligofructose, inulin or pectin incorporated in basal diet) on the growth of intramuscularily transplanted mouse tumors, from 2 tumor lines (TLT and EMT6), was investigated. The results were evaluated by regular tumor measurements with Vernier caliper. Mean tumor surface in experimental groups was compared with that in animals of control group fed basal diet containing starch as the only carbohydrate. The growth of both tumor lines was significantly inhibited by supplementation of non-digestible carbohydrates.
Insights
Dietary non-digestible carbohydrates like oligofructose, inulin, and pectin significantly inhibited the growth of mouse tumors. This study explored the impact of these fibers on tumor development in two distinct mouse tumor lines.
Area of Science:
- Oncology
- Nutrition Science
- Cancer Research
Background:
- Dietary components can influence tumor development.
- Non-digestible carbohydrates are known for their prebiotic and physiological effects.
- Understanding the role of diet in cancer progression is crucial for therapeutic strategies.
Purpose of the Study:
- To investigate the effect of dietary non-digestible carbohydrates on the growth of transplanted mouse tumors.
- To evaluate the efficacy of oligofructose, inulin, and pectin in modulating tumor progression.
- To compare the anti-tumor effects across different tumor lines.
Main Methods:
- Intramuscular transplantation of two mouse tumor lines (TLT and EMT6).
- Inclusion of 15% non-digestible carbohydrates (oligofructose, inulin, pectin) in the basal diet.
- Regular tumor size measurement using a Vernier caliper.
- Comparison of tumor growth between experimental groups and a control group fed a starch-based diet.
Main Results:
- Supplementation with non-digestible carbohydrates significantly inhibited the growth of both TLT and EMT6 tumor lines.
- A notable reduction in mean tumor surface was observed in animals receiving dietary fiber.
- The inhibitory effect was consistent across the tested non-digestible carbohydrate types.
Conclusions:
- Dietary non-digestible carbohydrates demonstrate significant anti-tumor properties.
- Oligofructose, inulin, and pectin can serve as potential dietary interventions to impede tumor growth.
- Further research into the mechanisms of action and clinical applications is warranted.