Dietary Methionine Restriction Improves Health in Older Mice
Author Information
Author(s): Parkhitko Andrey, Arciga Ulalume Hernandez, Stamenkovic Ceda, Yadav Shweta, Ables Gene, Sacco Alessandra, Jurczak Michael, Rizzo Stacey J Sukoff
Primary Institution: University of Pittsburgh
Hypothesis
Does dietary methionine restriction started late in life improve healthspan in aging mice?
Conclusion
Dietary methionine restriction started late in life shows multiple health benefits in mice, particularly in neuromuscular function and metabolic health.
Supporting Evidence
- Dietary methionine restriction started late in life improved neuromuscular function in mice.
- Health benefits were also observed in metabolic health and lung function.
- Nitisinone treatment did not show similar benefits.
- Epigenetic clocks were not significantly affected by dietary methionine restriction.
Takeaway
Eating less of a certain nutrient called methionine when you're older can help you stay healthier and stronger.
Methodology
Long-term dietary methionine restriction or treatment with a TDP inhibitor was initiated in 18-month-old male and female C57BL/6J mice.
Limitations
The study primarily focused on mice, and the effects on human aging are still unclear.
Participant Demographics
18-month-old male and female C57BL/6J mice.
Digital Object Identifier (DOI)
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