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Active immunotherapy targeting β-amyloid (Aβ) is the most promising strategy to prevent or treat Alzheimer's disease (AD). Based on pre-clinical studies and clinical trials, a safe and effective AD vaccine requires a delicate balance between providing therapeutically adequate anti-Aβ antibodies and eliminating or suppressing unwanted adverse T cell-mediated(More)
Alzheimer's disease (AD) is a neurodegenerative disorder that impairs memory and cognition. Targeting amyloid-β (Aβ) may be currently the most promising immunotherapeutic strategy for AD. In this study, a recombinant chimeric 6Aβ15-THc-C immunogen was formulated with alum adjuvant as a novel Aβ B-cell epitope candidate vaccine (rCV02) for AD. We examined(More)
Alzheimer’s disease (AD) is a neurodegenerative disorder characterized by a progressive amyloid-β accumulation, loss of cognitive abilities, and synaptic alterations. Given the remarkable recovery of cognition in AD models of targeting-Aβ immunotherapy, we sought to determine the molecular correlate(s) associated with improvement. We evaluated the efficacy(More)
Active and passive immunotherapy targeting amyloid-β (Aβ) may be the most promising strategy to prevent or treat Alzheimer's disease (AD). Previously, immunization with the recombinant 6Aβ15-T antigen generated robust anti-Aβ serum antibodies that strongly recognized Aβ42 oligomers in different mice, markedly reduced the amyloid burden, and improved(More)
DNA vaccines are generally weak stimulators of the immune system. Fortunately, their efficacy can be improved using a viral replicon vector or by the addition of immunostimulatory CpG motifs, although the design of these engineered DNA vectors requires optimization. Our results clearly suggest that multiple copies of three types of CpG motifs or(More)
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