Impact of Interleukin-1 Receptor Knockout on Amyloid Deposition in Mice
Author Information
Author(s): Das Pritam, Smithson Lisa A, Price Robert W, Holloway Vallie M, Levites Yona, Chakrabarty Paramita, Golde Todd E
Primary Institution: Mayo Clinic College of Medicine
Hypothesis
Does the knockout of interleukin-1 receptor 1 affect amyloid deposition and the efficacy of Aβ immunotherapy in Tg2576 mice?
Conclusion
The lack of the IL-1 R1 receptor does not influence Aβ deposition or the efficacy of passive immunotherapy in Tg2576 mice.
Supporting Evidence
- Passive immunization with anti-Aβ mAb was effective in reducing plaque load in young APP/IL-1 R1-/- mice.
- Immunization was not effective in older APP/IL-1 R1-/- mice or IL-1 R1 sufficient wild type Tg2576 mice.
- IL-1 R1 knockout did not show significant differences in Aβ deposition compared to wild type Tg2576 mice.
Takeaway
Researchers wanted to see if a specific gene knockout in mice would change how they handle a brain protein linked to Alzheimer's. They found it didn't make a difference.
Methodology
The study involved passive immunization of Tg2576 mice with an anti-Aβ antibody and analysis of Aβ deposition and microglial activation.
Potential Biases
Potential bias due to the specific mouse models used and their genetic backgrounds.
Limitations
The study did not explore the long-term effects of IL-1 R1 knockout on other potential inflammatory responses.
Participant Demographics
Tg2576 mice crossed with IL-1 R1 knockout mice, aged 6 to 15 months.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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