Metal Ionophore Treatment Restores Dendritic Spine Density and Synaptic Protein Levels in a Mouse Model of Alzheimer's Disease
2011

Metal Ionophore Treatment Improves Brain Health in Alzheimer's Mice

Sample size: 12 publication 10 minutes Evidence: high

Author Information

Author(s): Adlard Paul A., Bica Laura, White Anthony R., Nurjono Milawaty, Filiz Gulay, Crouch Peter J., Donnelly Paul S., Cappai Roberto, Finkelstein David I., Bush Ashley I.

Primary Institution: The University of Melbourne

Hypothesis

Can metal ionophores restore dendritic spine density and synaptic protein levels in a mouse model of Alzheimer's disease?

Conclusion

Treatment with the metal ionophore PBT2 significantly restores dendritic spine density and increases levels of key proteins involved in learning and memory in a mouse model of Alzheimer's disease.

Supporting Evidence

  • PBT2 treatment increased apical spine density by 17% in young Tg2576 mice.
  • In older Tg2576 mice, PBT2 treatment increased apical spine density by 32%.
  • PBT2 treatment resulted in significant increases in brain levels of CamKII, spinophilin, NMDAR1A, NMDAR2A, pro-BDNF, and BDNF.

Takeaway

Researchers found that a special treatment helped mice with Alzheimer's disease improve their brain connections, which could help them remember better.

Methodology

The study involved treating Tg2576 mice with PBT2 for 11 days and analyzing dendritic spine density and protein levels in the brain.

Potential Biases

Potential conflicts of interest due to authors' affiliations with Prana Biotechnology Ltd.

Limitations

The study was conducted in a mouse model, which may not fully replicate human Alzheimer's disease.

Participant Demographics

Female Tg2576 mice aged 4 and 14 months.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0017669

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