Timing of Selenium and Isoflavones Supplementation and Prostate Cancer Risk in Rats
Author Information
Author(s): Jessica R. Tolman, Edwin D. Lephart, Kenneth D. R. Setchell, Dennis L. Eggett, Merrill J. Christensen
Primary Institution: Brigham Young University
Hypothesis
Does combined supplementation of selenium and isoflavones reduce prostate cancer risk factors in rats more than each component individually?
Conclusion
Combined intake of high selenium and high isoflavones may achieve greater chemopreventive effects than either compound individually.
Supporting Evidence
- High isoflavone intake significantly reduced body weight in rat pups.
- Combined high selenium and high isoflavones produced the lowest weight gain in pups.
- High selenium intake decreased serum IGF-1 levels in pups.
Takeaway
Feeding rats a mix of selenium and isoflavones from birth helps them stay healthier and reduces their risk of prostate cancer.
Methodology
Male Noble rat pups were fed diets with varying levels of selenium and isoflavones from conception until sacrifice at different ages.
Limitations
The study was conducted on rats, which may not fully represent human responses.
Participant Demographics
Male Noble rats
Statistical Information
P-Value
p = 0.001–0.047
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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