Increased uracil misincorporation in lymphocytes from folate-deficient rats
2000
Folate Deficiency and DNA Stability in Rats
Sample size: 12
publication
Evidence: moderate
Author Information
Author(s): Duthie S J, Grant G, Narayanan S
Primary Institution: Rowett Research Institute
Hypothesis
The study investigates the effects of folate deficiency on DNA stability in lymphocytes from rats.
Conclusion
Moderate folate deficiency in vivo is linked to decreased DNA stability, indicated by increased DNA strand breakage and uracil misincorporation.
Supporting Evidence
- Folate deficiency led to a 25-50% decrease in folate concentrations.
- Plasma homocysteine levels rose by 20% due to folate deficiency.
- DNA strand breakage increased by 50-100% after 8 weeks on a folate-free diet.
- Uracil misincorporation reached approximately 100% after 8 weeks of low folate.
Takeaway
If rats don't get enough folate, their DNA can get damaged more easily, which might be bad for their health.
Methodology
Male Hooded Lister rats were fed a folate-free diet for 10 weeks to assess the effects on DNA stability.
Participant Demographics
Male Hooded Lister rats
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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