Osteoarthritis accelerates and exacerbates Alzheimer's disease pathology in mice
2011

Osteoarthritis and Alzheimer's Disease in Mice

Sample size: 38 publication 10 minutes Evidence: moderate

Author Information

Author(s): Stephanos Kyrkanides, Ross H. Tallents, Jennie H. Miller, Mallory E. Olschowka, Renee Johnson, Meixiang Yang, John A. Olschowka, Sabine M. Brouxhon, M. Kerry O'Banion

Primary Institution: Stony Brook University Health Science Center

Hypothesis

Localized peripheral inflammation, such as osteoarthritis, contributes to neuroinflammation and neurodegenerative disease.

Conclusion

Peripheral inflammation triggers neuroinflammation and accelerates Alzheimer's disease pathology.

Supporting Evidence

  • Induction of osteoarthritis in mice led to increased neuroinflammation.
  • APP/PS1 mice with osteoarthritis developed Aβ plaques earlier than those without.
  • Behavioral changes were observed in mice with induced osteoarthritis.

Takeaway

When mice with arthritis were studied, they showed more signs of Alzheimer's disease, like brain plaques, than those without arthritis.

Methodology

The study used a mouse model to induce osteoarthritis and assessed its effects on neuroinflammation and Alzheimer's pathology.

Potential Biases

Potential bias in animal model selection and interpretation of results.

Limitations

The study was conducted in mice, which may not fully replicate human conditions.

Participant Demographics

Mice were 2 months old at the start of the study.

Statistical Information

P-Value

p<0.016

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1742-2094-8-112

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