The ability of cyclic GABA and GHBA derivatives--2-pyrrolidone and gamma-butyrolactone--to increase markedly the inclusion of 14C-leucine in the proteins of hypothalamus and cerebral arteries both normally and in condition of cerebral blood supply disturbances produced by unilateral 20 min ligation of a common carotid artery has been demonstrated.
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Alzheimers Dement
December 2024
Department of Psychiatry and Behavioral Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
Background: Hippocampal hyperactivity is a hallmark of prodromal Alzheimer's disease (AD) that predicts progression in patients with amnestic mild cognitive impairment (aMCI). AGB101 is an extended-release formulation of levetiracetam in the dose range previously demonstrated to normalize hippocampal activity and improve cognitive performance in aMCI. The HOPE4MCI clinical trial used a 78-week protocol to assess progression in amyloid-positive patients with MCI due to AD.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA.
Background: Cytoplasmic inclusions of TDP-43 are the primary pathology in the majority of ALS and FTLD cases. Recent reports in cell and animal models suggest TDP-43 pathology may enhance neuronal excitability, which could contribute to neurodegeneration via excitotoxicity. Dox-regulatable rNLS8 mice express human TDP-43 with mutations in the nuclear localization signal (hTDP-43NLSm) to promote cytoplasmic accumulation.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Department of Psychiatry and Behavioral Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
Background: Hippocampal hyperactivity is a hallmark of prodromal Alzheimer's disease (AD) that predicts progression in patients with amnestic mild cognitive impairment (aMCI). AGB101 is an extended-release formulation of levetiracetam in the dose range previously demonstrated to normalize hippocampal activity and improve cognitive performance in aMCI. The HOPE4MCI clinical trial used a 78-week protocol to assess progression in amyloid-positive patients with MCI due to AD.
View Article and Find Full Text PDFPharmaceutics
November 2024
Department of Pharmaceutical Sciences, College of Pharmacy, Qatar University, Doha P.O. Box 2713, Qatar.
Ketamine HCl, an FDA-approved therapeutic, is administered through various routes, including intranasal delivery. Administering an adequate therapeutic dose of intranasal ketamine HCl is challenging due to the limited volume that can be delivered intranasally given the current commercially available concentrations. This study investigates solubilizing strategies to enhance the aqueous solubility of ketamine HCl for intranasal administration.
View Article and Find Full Text PDFFront Chem
December 2024
Circa Renewable Chemistry Institute, Department of Chemistry, University of York, York, United Kingdom.
This study focuses on the fabrication and characterisation of single-walled carbon nanotube (SWCNT) buckypapers and polyethersulfone (PES) flat-sheet membranes using Cyrene, aiming toevaluate its efficacy as a green solvent for these applications. Pristine SWCNTs were dispersed inCyrene without surfactants and compared to N-Methyl-2-pyrrolidone (NMP) dispersions. Buckypapers were fabricated from these dispersions and characterised using Scanning ElectronMicroscopy (SEM), Atomic Force Microscopy (AFM), and infrared spectroscopy.
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