Neuropathology

admin September 22, 2018

Abstract

Synaptic degeneration and neuronal loss are early events in Alzheimer’s disease (AD), occurring long before symptom onset, thus making synaptic biomarkers relevant for enabling early diagnosis. The postsynaptic protein neurogranin (Ng) is a cerebrospinal fluid (CSF) biomarker for AD, also in the prodromal phase.… Read More...

Ayami Okuzumi, Masaru Kurosawa, Taku Hatano, Masashi Takanashi, Shuuko Nojiri, Takeshi Fukuhara, Tomoyuki Yamanaka, Haruko Miyazaki, Saki Yoshinaga, Yoshiaki Furukawa, Tomomi Shimogori, Nobutaka Hattori and Nobuyuki Nukina September 20, 2018

Accumulating evidence suggests that the lesions of Parkinson’s disease (PD) expand due to transneuronal spreading of fibrils composed of misfolded alpha-synuclein (a-syn), over the course of 5–10 years. Howeve…

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admin September 20, 2018

Abstract

In Alzheimer’s disease (AD) and other tauopathies, the cytosolic protein Tau misfolds and forms intracellular aggregates which accumulate within the brain leading to neurodegeneration. Clinical progression is tightly linked to the progressive spread of Tau pathology throughout the brain, and several lines of evidence suggest that Tau aggregates or “seeds” may propagate pathology by spreading from cell to cell in a “prion like” manner.… Read More...

admin September 17, 2018

Abstract

Despite the wealth of genomic and transcriptomic data in Parkinson’s disease (PD), the initial molecular events are unknown. Using LD score regression analysis, we show significant enrichment in PD heritability within regulatory sites for LPS-activated monocytes and that TLR4 expression is highest within human substantia nigra, the most affected brain region, suggesting a role for TLR4 inflammatory responses.… Read More...

admin September 15, 2018

Abstract

Nodding syndrome is an epidemic neurologic disorder of unknown cause that affects children in the subsistence-farming communities of East Africa. We report the neuropathologic findings in five fatal cases (13–18 years of age at death) of nodding syndrome from the Acholi people in northern Uganda.… Read More...

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