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Brain
Scopus
ISSN 0006-8950 · Oxford University Press · 55 artikel di indeks
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Potential drug targets for multiple sclerosis identified through Mendelian randomization analysis
Multiple sclerosis is a complex autoimmune disease, and several therapies for multiple sclerosis have been developed and widely used. However, existing medications for multiple sclerosis were far from satisfactory due to their failure to suppress relapses and alleviate disease progression. Novel…
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Amyloid-related imaging abnormalities (ARIA): radiological, biological and clinical characteristics
Excess accumulation and aggregation of toxic soluble and insoluble amyloid-β species in the brain are a major hallmark of Alzheimer's disease. Randomized clinical trials show reduced brain amyloid-β deposits using monoclonal antibodies that target amyloid-β and have identified MRI signal…
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The functional role of the precuneus
Recent advancements in computational approaches and neuroimaging techniques have refined our understanding of the precuneus. While previously believed to be largely a visual processing region, the importance of the precuneus in complex cognitive functions has been previously less familiar due to a…
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The amyloid cascade hypothesis: an updated critical review
Results from recent clinical trials of antibodies that target amyloid-β (Aβ) for Alzheimer's disease have created excitement and have been heralded as corroboration of the amyloid cascade hypothesis. However, while Aβ may contribute to disease, genetic, clinical, imaging and biochemical data…
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Microbiota from Alzheimer’s patients induce deficits in cognition and hippocampal neurogenesis
Alzheimer's disease is a complex neurodegenerative disorder leading to a decline in cognitive function and mental health. Recent research has positioned the gut microbiota as an important susceptibility factor in Alzheimer's disease by showing specific alterations in the gut microbiome composition…
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Head-to-head comparison of 10 plasma phospho-tau assays in prodromal Alzheimer’s disease
Plasma phospho-tau (p-tau) species have emerged as the most promising blood-based biomarkers of Alzheimer's disease. Here, we performed a head-to-head comparison of p-tau181, p-tau217 and p-tau231 measured using 10 assays to detect abnormal brain amyloid-β (Aβ) status and predict future progression…
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How patients with multiple sclerosis acquire disability
Patients with multiple sclerosis acquire disability either through relapse-associated worsening (RAW) or progression independent of relapse activity (PIRA). This study addresses the relative contribution of relapses to disability worsening over the course of the disease, how early progression…
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Precuneus magnetic stimulation for Alzheimer’s disease: a randomized, sham-controlled trial
Repetitive transcranial magnetic stimulation (rTMS) is emerging as a non-invasive therapeutic strategy in the battle against Alzheimer's disease. Alzheimer's disease patients primarily show alterations of the default mode network for which the precuneus is a key node. Here, we hypothesized that…
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Brain-derived tau: a novel blood-based biomarker for Alzheimer’s disease-type neurodegeneration
Blood-based biomarkers for amyloid beta and phosphorylated tau show good diagnostic accuracies and agreements with their corresponding CSF and neuroimaging biomarkers in the amyloid/tau/neurodegeneration [A/T/(N)] framework for Alzheimer's disease. However, the blood-based neurodegeneration marker…
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Towards network-guided neuromodulation for epilepsy
Epilepsy is well-recognized as a disorder of brain networks. There is a growing body of research to identify critical nodes within dynamic epileptic networks with the aim to target therapies that halt the onset and propagation of seizures. In parallel, intracranial neuromodulation, including deep…
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Detection of neuron-derived pathological α-synuclein in blood
To date, no reliable clinically applicable biomarker has been established for Parkinson's disease. Our results indicate that a long anticipated blood test for Parkinson's disease may be realized. Following the isolation of neuron-derived extracellular vesicles of Parkinson's disease patients and…
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Neurovascular injury with complement activation and inflammation in COVID-19
The underlying mechanisms by which severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) leads to acute and long-term neurological manifestations remains obscure. We aimed to characterize the neuropathological changes in patients with coronavirus disease 2019 and determine the underlying…
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Comorbid neuropathological diagnoses in early versus late-onset Alzheimer’s disease
Co-pathologies play an important role in the expression of the Alzheimer's disease clinical phenotype and may influence treatment efficacy. Early-onset Alzheimer's disease, defined as manifesting before age 65, is viewed as a relatively pure form of Alzheimer's disease with a more homogeneous…
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Emerging roles for dynamic aquaporin-4 subcellular relocalization in CNS water homeostasis
Aquaporin channels facilitate bidirectional water flow in all cells and tissues. AQP4 is highly expressed in astrocytes. In the CNS, it is enriched in astrocyte endfeet, at synapses, and at the glia limitans, where it mediates water exchange across the blood-spinal cord and blood-brain barriers…
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Glymphatic system impairment in multiple sclerosis: relation with brain damage and disability
Recent evidence has shown the existence of a CNS 'waste clearance' system, defined as the glymphatic system. Glymphatic abnormalities have been described in several neurodegenerative conditions, including Alzheimer's and Parkinson's disease. Glymphatic function has not been thoroughly explored in…
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Cognitive impairment and altered cerebral glucose metabolism in the subacute stage of COVID-19
During the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic, neurological symptoms increasingly moved into the focus of interest. In this prospective cohort study, we assessed neurological and cognitive symptoms in hospitalized coronavirus disease-19 (COVID-19) patients and…
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COVID-19 neuropathology at Columbia University Irving Medical Center/New York Presbyterian Hospital
Many patients with SARS-CoV-2 infection develop neurological signs and symptoms; although, to date, little evidence exists that primary infection of the brain is a significant contributing factor. We present the clinical, neuropathological and molecular findings of 41 consecutive patients with…
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CD4 T cells mediate brain inflammation and neurodegeneration in a mouse model of Parkinson's disease
α-Synuclein, a key pathological component of Parkinson's disease, has been implicated in the activation of the innate and adaptive immune system. This immune activation includes microgliosis, increased inflammatory cytokines, and the infiltration of T cells into the CNS. More recently, peripherally…
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The role of gut dysbiosis in Parkinson’s disease: mechanistic insights and therapeutic options
Parkinson's disease is a common neurodegenerative disorder in which gastrointestinal symptoms may appear prior to motor symptoms. The gut microbiota of patients with Parkinson's disease shows unique changes, which may be used as early biomarkers of disease. Alterations in the gut microbiota…
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Single-cell sequencing of human midbrain reveals glial activation and a Parkinson-specific neuronal state
Idiopathic Parkinson's disease is characterized by a progressive loss of dopaminergic neurons, but the exact disease aetiology remains largely unknown. To date, Parkinson's disease research has mainly focused on nigral dopaminergic neurons, although recent studies suggest disease-related changes…