Effects of Omega-3 and Omega-6 Fatty Acids on Tumors in Mice
Author Information
Author(s): D. Yam, A. Fink, I. Nir, P. Budowski
Primary Institution: Weizmann Institute of Science
Hypothesis
How do diets differing in omega-6 and omega-3 polyunsaturated fatty acids affect two transplantable tumors differing in their dependence on insulin?
Conclusion
Diets high in omega-3 fatty acids reduced tumor size in mice, particularly in those with EL4-lymphoma.
Supporting Evidence
- Dietary treatments did not significantly affect tumor incidence or mortality.
- EL4-bearing mice showed increased body weight due to water accumulation.
- Linseed oil reduced tumor weight in EL4 mice compared to soya-bean oil.
Takeaway
Feeding mice different types of oils changed how their tumors grew, with fish oil helping to shrink some tumors.
Methodology
C57BL/6J male mice were fed diets supplemented with different oils and injected with tumor cells to observe effects on tumor growth and body composition.
Limitations
The study used a relatively small amount of test oil, which may limit the observed effects.
Participant Demographics
C57BL/6J male mice, aged 26-30 weeks.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
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