Yalun Zhang

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OBJECTIVE Common single nucleotide polymorphisms in the SORL1 gene have been associated with late onset Alzheimer disease (LOAD), but causal variants have not been fully characterized nor has the mechanism been established. The study was undertaken to identify functional SORL1 mutations in patients with LOAD. METHODS This was a family- and cohort-based(More)
The transgenic TgCRND8 mouse is widely used as an animal model of Alzheimer's disease (AD) and exhibits an early onset of senile plaque pathogenesis in the brain. Here we report that TgCRND8 mice also have amyloid-β (Aβ) neuropathology in spinal cord. TgCRND8 mice began to show obvious Aβ deposition in both gray matter of dorsal horn and white matter in the(More)
Traditional drug development for Alzheimer's disease (AD) is costly, time consuming and burdened by a very low success rate. An alternative strategy is drug repositioning, redirecting existing drugs for another disease. The large amount of biological data accumulated to date warrants a comprehensive investigation to better understand AD pathogenesis and(More)
The precise annotation and accurate identification of neural structures are prerequisites for studying mammalian brain function. The orientation of neurons and neural circuits is usually determined by mapping brain images to coarse axial-sampling planar reference atlases. However, individual differences at the cellular level likely lead to position errors(More)
OBJECTIVE To characterize the clinical and molecular effect of mutations in the sortilin-related receptor (SORL1) gene. METHODS We performed whole-exome sequencing in early-onset Alzheimer disease (EOAD) and late-onset Alzheimer disease (LOAD) families followed by functional studies of select variants. The phenotypic consequences associated with SORL1(More)
Conflicting findings exist regarding the formation of diffuse and dense-core β-amyloid (Aβ) plaques in Alzheimer's disease (AD). In the present study, we characterized Aβ plaque types in the brain and spinal cord of TgCRND8 mice, which express a transgene incorporating both the Indiana mutation (V717F) and the Swedish mutations (K670N/M671L) in the human(More)
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