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Anterior prefrontal EEG theta activities indicate memory and executive functions in patients with epilepsy.
Epilepsia
January 2025
Brain and Mind Electrophysiology Laboratory, Multimedia Systems Department, BioTechMed Center, Gdansk University of Technology, Gdansk, Poland.
Objective: Cognitive deficits are one of the most debilitating comorbidities in epilepsy and other neurodegenerative, neuropsychiatric, and neurodevelopmental brain disorders. Current diagnostic and therapeutic options are limited and lack objective measures of the underlying neural activities. In this study, electrophysiological biomarkers that reflect cognitive functions in clinically validated batteries were determined to aid diagnosis and treatment in specific brain regions.
View Article and Find Full Text PDFMutation in and a Variant Linked to a Severe Sporadic Infant Dilated Cardiomyopathy Case.
Case Rep Genet
December 2024
Cardiovascular Research Department, Lankenau Institute for Medical Research, Lankenau Hearth Institute, Wynnewood, Pennsylvania 19096, USA.
Structural or electrophysiologic cardiac anomalies may compromise cardiac function, leading to sudden cardiac death (SCD). Genetic screening of families with severe cardiomyopathies underlines the role of genetic variations in cardiac-specific genes. The present study details the clinical and genetic characterization of a malignant dilated cardiomyopathy (DCM) case in a 1-year-old Mexican child who presented a severe left ventricular dilation and dysfunction that led to SCD.
View Article and Find Full Text PDFEnhancing diabetic rat peripheral nerve conduction velocity parameters through the potent effects of MitoTEMPO.
Heliyon
December 2024
Baskent University, Faculty of Medicine, Department of Biophysics, Ankara, Türkiye.
The efficacy of MitoTEMPO, a mitochondria-targeted antioxidant, in altering nerve fiber conduction properties within the sciatic nerve of streptozotocin (STZ)-induced diabetic rats, a model for diabetic neuropathy characterized by myelinated fiber atrophy and nodal abnormalities. Utilizing the STZ-induced diabetic rat model, we assessed the impact of MitoTEMPO on nerve function through compound action potential (CAP) analysis and histological evaluation. Key indicators such as maximum depolarization (MD), CAP area, and conduction velocity distribution (CVD) were measured to gauge MitoTEMPO's neuroprotective effects, alongside physical parameters like weight and blood glucose levels.
View Article and Find Full Text PDFInsulative Compression of Neuronal Tissues on Microelectrode Arrays by Perfluorodecalin Enhances Electrophysiological Measurements.
Adv Healthc Mater
January 2025
Institute of Industrial Science, The University of Tokyo, Meguro, Tokyo, 153-8505, Japan.
Microelectrode array (MEA) techniques provide a powerful method for exploration of neural network dynamics. A critical challenge is to interface 3D neural tissues including neural organoids with the flat MEAs surface, as it is essential to place neurons near to the electrodes for recording weak extracellular signals of neurons. To enhance performance of MEAs, most research have focused on improving their surface treatment, while little attention has been given to improve the tissue-MEA interactions from the medium side.
View Article and Find Full Text PDFVisualization of primary afferent-evoked excitation of spinal dorsal horn neurons using an intracellular Ca imaging technique in adult rat spinal cord slices.
J Anesth
January 2025
Division of Anesthesiology, Niigata University Graduate School of Medical and Dental Science, 1-757 Asahimachi-dori, Chuo-ku, Niigata, 951-8510, Japan.
Purpose: Intracellular Ca imaging is a valuable tool for studying neuronal activity; however, its application in the spinal cord of mature animals remains underdeveloped. This study aimed to establish an intracellular Ca imaging method in adult rat spinal cord slices without complex genetic modifications and characterize primary afferent-evoked intracellular Ca responses in spinal dorsal horn neurons.
Methods: L5 lumbar spinal cord slices from adult rats were stained with a Ca indicator.
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