نتایج جستجو برای: cornu ammonis
تعداد نتایج: 721 فیلتر نتایج به سال:
We studied neuroinflammation in individuals with late-life depression, as a risk factor for dementia, using [11C]PK11195 positron emission tomography (PET). Five older participants with major depression and 13 controls underwent PET and multimodal 3T magnetic resonance imaging (MRI), with blood taken to measure C-reactive protein (CRP). We found significantly higher CRP levels in those with lat...
BACKGROUND Sleep apnea is a chronic, widely underdiagnosed condition characterized by disruption of sleep architecture and intermittent hypoxia due to short cessations of breathing. It is a major independent risk factor for myocardial infarction, congestive heart failure and stroke as well as one of the rare modifiable risk factors for Alzheimer's Dementia. Reliable animal disease models are ne...
ObjectiveThe present study validates the results of automated hippocampal subfield segmentation with histopathology in epilepsy patients undergoing surgery.MethodsWe performed an on presurgical three-dimensional, T1-weighted magnetization Prepared Rapid Acquisition Gradient Echoes Magnetic Resonance Imaging (MRI) data 25 unilateral mesial temporal lobe due to sclerosis (HS), using Freesurfer Ve...
BACKGROUND Ketamine is increasingly popular in clinical practice and its combination with α(2)-agonists can provide good anaesthetic stability. Little is known about the effects of this combination in the brain. Therefore, we investigated the effects of different concentrations of ketamine combined with medetomidine on cognition and its potential apoptotic neurodegenerative effect in adult mice...
Sharp wave-ripples and interictal events are physiological and pathological forms of transient high activity in the hippocampus with similar features. Sharp wave-ripples have been shown to be essential in memory consolidation, whereas epileptiform (interictal) events are thought to be damaging. It is essential to grasp the difference between physiological sharp wave-ripples and pathological int...
Over the past four decades, a "standard framework" has emerged to explain the neural mechanisms of episodic memory storage. This framework has been instrumental in driving hippocampal research forward and now dominates the design and interpretation of experimental and theoretical studies. It postulates that cortical inputs drive plasticity in the recurrent cornu ammonis 3 (CA3) synapses to rapi...
BACKGROUND The neonatal brain is particularly vulnerable to imbalances in redox homeostasis because of rapid growth and immature antioxidant systems. Vitamin C has been shown to have a key function in the brain, and during states of deficiency it is able to retain higher concentrations of vitamin C than other organs. However, because neurons maintain one of the highest intracellular concentrati...
The aim of this study was to investigate the activity apoptosis and autophagy in animals (cows, horses, donkeys, dogs cats) naturally infected with rabies by using immunohistochemistry, immunofluorescence, qPCR. mRNA transcript levels caspase-3, Bax, Bcl2 LC3B were determined Caspase-3 AIF immunopositivity not observed immunohistochemical immunofluorescence staining, whereas intensively compare...
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