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PKR Inhibitor C16 Regulates HIV-gp120 Induced Neuronal Injury and Cognitive Impairment in Vivo and in Vitro Models.
Neurochem Res
January 2025
College of Pharmacy, Guangxi Medical University, Guangxi Zhuang Autonomous Region, Nanning, 530021, China.
To study the neuronal protective effect and its potential mechanism of C16 against gp120-induced cognitive impairment in vitro and in vivo. The NORT method was used to evaluate the short-term memory abilities of rats, the morphological changes in hippocampus were observed by Nissl staining. Cell viability and damage degree were detected by MTT and LDH.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Xuanwu Hospital of Capital Medical University, Beijing, Beijing, China.
Background: Alzheimer's disease (AD), also known as senile dementia, is the most common degenerative disease of the central nervous system. Neuroinflammation is currently believed to be a crucial factor in the progression of AD, while its exact mechanism remains unclear.
Method: APP/PS1 AD mice were treated with a natural active ingredient tetrahydroxy stilbene glucoside (TSG) at 40 mg/kg/day and 80 mg/kg/day respectively for 5 consecutive months, and then the Morris water maze test (MWM) and the novel object recognition test were performed to assess the effect of TSG on the cognitive and memory ability of AD mice.
Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of Texas Medical Branch, Galveston, TX, USA.
Background: Alzheimer's disease (AD) is the memory-related neurodegenerative disorder, contributing to 70% of the cases globally. Synaptic dysfunction is a well-known early event that causes progressive cognitive decline in AD. The latest AD therapeutics on the forefront only offer a moderate symptomatic relief with significant off-target effects.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
Background: Calcineurin, a protein involved in functions such as synaptic plasticity and neuronal survival, plays an important role in the pathophysiology of Alzheimer's disease. This study, randomized, investigated the effects of FK506 (FK), a calcineurin inhibitor, on the behavioral, histological, and biochemical alterations observed in models of neurotoxicity induced by NMDA or Aβ and in a transgenic model for AD, in addition to the organotypic culture model stimulated with NMDA.
Methods: This study involved models for AD to experiment injecting NMDA or Aβ1-42 into the hippocampus of male C57Bl/6 mice aged 8-12 weeks to induce a neurotoxicity model, treating double-transgenic APP/PS1 mice, expressing both mouse/human APP and mutant human PS1, with chronic FK506 for AD, in which, to enable NMDA or Aβ1-42 microinjections, another experiment including a stereotaxic surgery was performed on the C57Bl/6 mice.
A monoamine oxidase B inhibitor altered gene expression of catalytically active dual-specificity phosphatases in human oral gingival keratinocytes.
Eur Rev Med Pharmacol Sci
December 2024
Department of Oral Biological and Medical Sciences, Faculty of Dentistry, The University of British Columbia, Vancouver, BC, Canada.
Objective: Monoamine oxidase (MAO) inhibitors reduce inflammation in a number of in vitro and in vivo models. This finding led to the development of a novel MAO-B selective inhibitor (RG0216) designed to reduce blood-brain barrier penetration. To elucidate RG0216's regulatory role in inflammation-relevant signaling pathways, we employed a transcriptome analytic approach to identify genes that are differentially regulated by RG0216 and then globally identified which inflammation-relevant biological signaling pathways were altered by this drug.
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