[HTML][HTML] Effects of general anesthetics on synaptic transmission and plasticity

J Platholi, HC Hemmings Jr - Current Neuropharmacology, 2022 - ncbi.nlm.nih.gov
General anesthetics depress excitatory and/or enhance inhibitory synaptic transmission
principally by modulating the function of glutamatergic or GABAergic synapses, respectively …

Parvalbumin basket cell myelination accumulates axonal mitochondria to internodes

K Kole, BJB Voesenek, ME Brinia, N Petersen… - Nature …, 2022 - nature.com
Abstract Parvalbumin-expressing (PV+) basket cells are fast-spiking inhibitory interneurons
that exert critical control over local circuit activity and oscillations. PV+ axons are often …

Developmentally regulated impairment of parvalbumin interneuron synaptic transmission in an experimental model of Dravet syndrome

K Kaneko, CB Currin, KM Goff, ER Wengert… - Cell reports, 2022 - cell.com
Dravet syndrome is a neurodevelopmental disorder characterized by epilepsy, intellectual
disability, and sudden death due to pathogenic variants in SCN1A with loss of function of the …

Sodium channels involved in the initiation of action potentials in invertebrate and mammalian neurons

DY Romanova, PM Balaban, ES Nikitin - Biophysica, 2022 - mdpi.com
Living organisms react to external stimuli to adapt their activity to the environment for
survival. Acquired information is encoded by neurons by action potentials (APs) in a series …

Biophysical Kv3 channel alterations dampen excitability of cortical PV interneurons and contribute to network hyperexcitability in early Alzheimer's

VJ Olah, AM Goettemoeller, S Rayaprolu, EB Dammer… - Elife, 2022 - elifesciences.org
In Alzheimer's disease (AD), a multitude of genetic risk factors and early biomarkers are
known. Nevertheless, the causal factors responsible for initiating cognitive decline in AD …

CRISPR activation rescues abnormalities in SCN2A haploinsufficiency-associated autism spectrum disorder

S Tamura, AD Nelson, PWE Spratt, H Kyoung, X Zhou… - BioRxiv, 2022 - biorxiv.org
The majority of autism spectrum disorder (ASD) risk genes are associated with ASD due to
haploinsufficiency, where only one gene copy is functional. Here, using SCN2A …

Afterhyperpolarization promotes the firing of mitral cells through a voltage-dependent modification of action potential threshold

N Fourcaud-Trocmé, M Zbili, P Duchamp-Viret… - Eneuro, 2022 - eneuro.org
In the olfactory bulb, mitral cells (MCs) display a spontaneous firing that is characterized by
bursts of action potentials (APs) intermixed with silent periods. Intraburst firing frequency and …

Paradoxical hyperexcitability in disorders of neurodevelopment

MW Antoine - Frontiers in Molecular Neuroscience, 2022 - frontiersin.org
Autism Spectrum Disorder (ASD), Rett syndrome (RTT) and Angelman Syndrome (AS) are
neurodevelopmental disorders (NDDs) that share several clinical characteristics, including …

Brain inspired color feature selection chip

S Xie, L Wang, X Mao, J Cong, Y Zhao… - IEEE Photonics …, 2022 - ieeexplore.ieee.org
Inspired by the mechanism of visual attentional selection, a color feature selection unit
consisting of photoreceptors and an attentional selection circuit (ASC) is presented. The …

The diffuse distribution of Nav1. 2 on mid-axonal regions is a marker for unmyelinated fibers in the central nervous system

R Yamano, H Miyazaki, N Nukina - Neuroscience Research, 2022 - Elsevier
Unmyelinated fibers in the central nervous system are known to exist in hippocampal mossy
fibers, cerebellar parallel fibers and striatal projection fibers. Previously, we and others …