Validation experiment designed to validate causal mechanisms targeting TET2 in young APPswe/PSEN1 double-transgenic mice. Primary outcome: cognitive performance and amyloid burden
This in vivo experiment investigated the functional role of Tet2 in cognition and amyloid pathology using adeno-associated virus (AAV)-mediated gene delivery in 2×Tg-AD mice. Recombinant AAV vectors were stereotaxically microinjected into the bilateral dentate gyrus regions of the hippocampus to achieve either Tet2 knockdown or overexpression. The study examined young 2×Tg-AD mice to determine how manipulating Tet2 levels affected cognitive function and amyloid load. The researchers found that knocking down Tet2 in young 2×Tg-AD mice resulted in cognitive impairments, while the effects of Tet2 overexpression on cognition and amyloid pathology were also evaluated.
Stereotaxic injection of recombinant AAV into bilateral dentate gyrus for Tet2 knockdown or overexpression, followed by behavioral testing
Tet2 knockdown would impair cognition while overexpression would provide cognitive protection
Measurable changes in cognitive behavior and amyloid pathology
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