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Condition: Alzheimer's

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Total 2642 results found since Jan 2013.

Research on Diagnostic Markers for Post-Stroke Cognitive Impairment
CONCLUSION: Aβ42 and Hb in patients with PSCI were significantly lower than in the AD and PSCN groups, and were risk factors for PSCI. When the two are combined, the differential diagnosis performance may be improved.PMID:36795525
Source: Alternative Therapies in Health and Medicine - February 16, 2023 Category: Complementary Medicine Authors: Min Xu Lanqing Yang Zhe Zhong Min Ye Source Type: research

Sensors, Vol. 23, Pages 1900: Multi Modal Feature Extraction for Classification of Vascular Dementia in Post-Stroke Patients Based on EEG Signal
This study used 19 EEG channels recorded from normal elderly, post-stroke with mild cognitive impairment, and post-stroke with dementia. The QEEG method used for feature extraction includes relative power, coherence, and signal complexity; the evaluation performance of normal-mild cognitive impairment-dementia classification was conducted using Support Vector Machine and K-Nearest Neighbor. The results of the classification simulation showed the highest accuracy of 96% by Gaussian SVM with a sensitivity and specificity of 95.6% and 97.9%, respectively. This study is expected to be an additional criterion in the diagnosis o...
Source: Sensors - February 8, 2023 Category: Biotechnology Authors: Sugondo Hadiyoso Hasballah Zakaria Paulus Anam Ong Tati Latifah Erawati Rajab Tags: Article Source Type: research

Stroke and Vascular Cognitive Impairment: The Role of Intestinal Microbiota Metabolite TMAO
CNS Neurol Disord Drug Targets. 2023 Feb 3. doi: 10.2174/1871527322666230203140805. Online ahead of print.ABSTRACTThe gut microbiome interacts with the brain bidirectionally through the microbiome-gut-brain axis, which plays a key role in regulating various nervous system pathophysiological processes. Trimethylamine N-oxide (TMAO) is produced by choline metabolism through intestinal microorganisms, which can cross the blood-brain barrier to act on the central nervous system. Previous studies have shown that elevated plasma TMAO concentrations increase the risk of major adverse cardiovascular events, but there are few studi...
Source: CNS and Neurological Disorders Drug Targets - February 6, 2023 Category: Drugs & Pharmacology Authors: Ruxin Tu Jian Xia Source Type: research

Hydroxysafflor yellow A exerts neuroprotective effect by reducing A β toxicity through inhibiting endoplasmic reticulum stress in oxygen-glucose deprivation/reperfusion cell model
In this study, SH-SY5Y cell model treated with oxygen glucose deprivation/reperfusion (OGD/R) was used to explore the potential mechanism of HSYA. Results from CCK-8 showed that 10μM HSYA restored the cell viability after OGD 2 h/R 24 h. HSYA reduced the levels of malondialdehyde and ROS, while improved the levels of superoxide dismutase and glutathione peroxidase. Furthermore, apoptosis was inhibited and the expression of brain-derived neurotrophic factor was improved after HSYA treatment. In addition, the expression levels of amyloid-β peptides (Aβ) and BACE1 were decreased by HSYA, as well as the expression levels of...
Source: Cell Research - February 3, 2023 Category: Cytology Authors: Hui-Han Ma Jun-Ru Wen Hao Fang Shan Su Can Wan Chao Zhang Fang-Mei Lu Ling-Ling Fan Guang-Liang Wu Zi-Yi Zhou Lijun Qiao Shi-Jie Zhang Ye-Feng Cai Source Type: research

GSE223628 Therapeutic modulation of the blood-brain barrier and ischemic stroke by a bioengineered FZD4-selective WNT surrogate (bulk)
Contributors : Jie Ding ; Kanako Yuki ; Calvin KuoSeries Type : Expression profiling by high throughput sequencingOrganism : Mus musculusDerangements of the blood-brain barrier (BBB) or blood-retinal barrier (BRB) occur in disorders ranging from stroke, cancer, diabetic retinopathy, and Alzheimer's disease. The Norrin/FZD4/TSPAN12 pathway activates WNT/ -catenin signaling, which is essential for BBB and BRB function. However, systemic pharmacologic FZD4 stimulation is hindered by obligate palmitoylation and insolubility of native WNTs and suboptimal properties of the FZD4-selective ligand Norrin. Here, we developed L6-F...
Source: GEO: Gene Expression Omnibus - January 31, 2023 Category: Genetics & Stem Cells Tags: Expression profiling by high throughput sequencing Mus musculus Source Type: research

GSE223498 Therapeutic modulation of the blood-brain barrier and ischemic stroke by a bioengineered FZD4-selective WNT surrogate
Contributors : Jie Ding ; Lukas Vlahos ; Vincent van Unen ; Kanako Yuki ; Calvin KuoSeries Type : Expression profiling by high throughput sequencingOrganism : Mus musculusDerangements of the blood-brain barrier (BBB) or blood-retinal barrier (BRB) occur in disorders ranging from stroke, cancer, diabetic retinopathy, and Alzheimer's disease. The Norrin/FZD4/TSPAN12 pathway activates WNT/ -catenin signaling, which is essential for BBB and BRB function. However, systemic pharmacologic FZD4 stimulation is hindered by obligate palmitoylation and insolubility of native WNTs and suboptimal properties of the FZD4-selective liga...
Source: GEO: Gene Expression Omnibus - January 31, 2023 Category: Genetics & Stem Cells Tags: Expression profiling by high throughput sequencing Mus musculus Source Type: research