Passive Immunization Reduces Behavioral and Neuropathological Deficits in an Alpha-Synuclein Transgenic Model of Lewy Body Disease
Author Information
Author(s): Masliah Eliezer, Rockenstein Edward, Mante Michael, Crews Leslie, Spencer Brian, Adame Anthony, Patrick Christina, Trejo Margarita, Ubhi Kiren, Rohn Troy T., Mueller-Steiner Sarah, Seubert Peter, Barbour Robin, McConlogue Lisa, Buttini Manuel, Games Dora, Schenk Dale
Primary Institution: Department of Neurosciences, University of California San Diego
Hypothesis
Can passive immunization with a monoclonal α-synuclein antibody reduce deficits associated with α-synuclein accumulation in a transgenic mouse model?
Conclusion
The study found that passive immunization with the 9E4 antibody effectively reduced behavioral deficits and neuropathological alterations in α-synuclein transgenic mice.
Supporting Evidence
- The 9E4 antibody reduced behavioral deficits in the water maze.
- Immunization with 9E4 decreased accumulation of calpain-cleaved α-synuclein.
- In vivo studies showed that 9E4 traffics into the CNS and promotes α-syn clearance.
- Passive immunization may be therapeutically relevant for patients with Parkinson's Disease and Lewy Body Dementia.
Takeaway
Researchers gave special antibodies to mice with a brain problem to see if it would help them think and move better, and it worked!
Methodology
Transgenic mice over-expressing α-synuclein were treated with the 9E4 antibody and assessed for behavioral and neuropathological changes.
Limitations
The study was conducted in a mouse model, which may not fully replicate human conditions.
Participant Demographics
Transgenic mice expressing human α-synuclein under the PDGF-β promoter.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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