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Intrahippocampal injection of the murine modified scrapie (ME7) induces a model of prion disease in vivo. Animals inoculated with ME7 brain homogenate were compared to controls at 8, 12 and 21 weeks. The data show that the accumulation of misfolded prion (PrP(Sc)) coincided with selective reduction in presynaptic protein expression early in disease. This(More)
We previously detailed how intrahippocampal inoculation of C57BL/6J mice with murine modified scrapie (ME7) leads to chronic neurodegeneration (Cunningham C, Deacon R, Wells H, Boche D, Waters S, Diniz CP, Scott H, Rawlins JN, Perry VH (2003) Eur J Neurosci 17:2147-2155.). Our characterization of the ME7-model is based on inoculation of this murine modified(More)
Corticotropin-releasing factor (CRF) and urocortin (UCN) are closely related multifunctional regulators, governing, among other processes, Purkinje cell development. Here, we investigate the effects of CRF and UCN on Purkinje cells in organotypic slices. We show that both peptides upregulate delta2 ionotropic glutamate receptor gene expression, and increase(More)
We report on a novel transgenic mouse model expressing human full-length Tau with the Tau mutation A152T (hTau(AT)), a risk factor for FTD-spectrum disorders including PSP and CBD Brain neurons reveal pathological Tau conformation, hyperphosphorylation, mis-sorting, aggregation, neuronal degeneration, and progressive loss, most prominently in area CA3 of(More)
In chronic neurodegenerative diseases associated with aggregates of misfolded proteins (such as Alzheimer's, Parkinson's and prion disease), there is an early degeneration of presynaptic terminals prior to the loss of the neuronal somata. Identifying the mechanisms that govern synapse degeneration is of paramount importance, as cognitive decline is strongly(More)
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