NICOTINAMIDE RIBOSIDE SUPPLEMENTATION PROTECTS AGAINST VIRAL-INDUCED NEURODEGENERATION IN AGED MICE
2024

Nicotinamide Riboside Helps Protect Aging Mice from Brain Damage

Sample size: 12 publication Evidence: moderate

Author Information

Author(s): Enterria-Morales Daniel, Gonzalez Anais Claire, Jallorina Bianca, Martinez Adrian, Doan Andrew, Karve Aadit, Joya Mikaela, Shtrahman Matthew

Primary Institution: University of California San Diego

Hypothesis

Boosting cellular NAD+ levels may help neurons maintain healthy function and slow neurodegeneration.

Conclusion

Nicotinamide Riboside supplementation can partially prevent neurodegeneration in aged mice by reducing inflammation.

Supporting Evidence

  • Nicotinamide Riboside was administered for three weeks before viral injection.
  • The study found reduced activation of microglia and astrocytes in the hippocampus.
  • NR supplementation partially rescued neurodegeneration in the CA3 region.

Takeaway

Giving older mice a special supplement can help their brains stay healthier and fight off damage.

Methodology

Nicotinamide Riboside was given in drinking water for three weeks before a viral injection, and effects were measured after 12 weeks.

Limitations

Further mechanistic studies are required to understand the cellular pathways involved.

Participant Demographics

C57BL/6J wild-type mice, 18 months old.

Digital Object Identifier (DOI)

10.1093/geroni/igae098.2632

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