Using DNA Immunization to Restore Support Cell Balance in a Down Syndrome Mouse Model

Vaccination against the Aβ fragment improved cognitive and behavioral abilities in Ts65Dn mice, a model for Down Syndrome.

• Anti-Aβ vaccination led to the production of antibodies and facilitated the removal of Aβ from brain regions.
• Reduced neurodegeneration was observed in vaccinated mice, alongside restoration of healthy microglial and astroglial cell functions.
• Vaccinated Ts65Dn mice showed enhanced performance in spatial-learning tasks and reduced typical motor hyperactivity.
• Short-term memory abilities were restored in vaccinated mice, suggesting potential cognitive benefits.
• The findings may indicate that individuals with Down Syndrome could benefit from early immunotherapy targeting Aβ.

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