Effects of cromakalim (BRL 34915) on potassium conductances in CA3 neurons of the guinea-pig hippocampus in vitro [PDF]
The action of the potassium channel activator, cromakalim (BRL 34915), on membrane potential, input resistance and current-voltage-relationship of CA3 neurons in a slice preparation of the guinea-pig hippocampus was investigated by means of intracellular
Alzheimer, Christian +2 more
core +1 more source
Ronzano et al. show that neuronal activity promotes node‐like cluster (NLC) formation before (re)myelination by regulating β1Nav and Nav1.1, which are essential for NLC assembly. This may represent an intermediate step in activity‐driven myelination and contribute to the regulation of axonal conduction.
Rémi Ronzano +10 more
wiley +1 more source
Glutamatergic transmission in the central nucleus of the amygdala is selectively altered in Marchigian Sardinian alcohol-preferring rats: Alcohol and CRF effects [PDF]
The CRF system of the central nucleus of the amygdala (CeA) is important for the processing of anxiety, stress, and effects of acute and chronic ethanol.
CICCOCIOPPO, Roberto +7 more
core +1 more source
Axon Initial Segment: Structure, Biological Functions, Diseases, and Therapeutic Targets
The axon initial segment (AIS) is a specialized axonal domain critical for maintaining neuronal polarity, action potential initiation, and network stability. This review summarizes the necessary elements for maintaining AIS structure and plasticity, discussing crucial biological functions of AIS in neuronal signaling and the neural circuit homeostasis,
Dong‐Yan Song +4 more
wiley +1 more source
Effects of caerulein on the gastric motility of rats. [PDF]
The effects of caerulein on gastric motility in urethane-anesthetized rats were studied. Caerulein administered into the lateral cerebral ventricle (i.c.v.) and jugular vein (i.v.) caused predominantly an inhibitory effect on gastric motility but ...
Jin, Ze-Zhong +2 more
core +1 more source
Efficacy of Retigabine in Treating Weakness in a Mouse Model of Hypokalemic Periodic Paralysis
ABSTRACT Introduction/Aims Hypokalemic periodic paralysis (HypoKPP) is an ion channelopathy causing episodic skeletal muscle weakness triggered by hypokalemia. Reduced inward rectifier K+ (Kir) channel activity contributes to membrane depolarization and paralysis, suggesting that pharmacologic activation of muscle K+ channels may restore excitability ...
Kirsten Denman, Mark M. Rich
wiley +1 more source
Cromakalim (BRL 34915) restores in vitro the membrane potential of depolarized human skeletal muscle fibres [PDF]
The purpose of the present study was to analyze the effects of cromakalim (BRL 34915), a potent drug from a new class of drugs characterized as K+ channel openers, on the electrical activity of human skeletal muscle.
Grafe, Peter +2 more
core +1 more source
Predicting Structural Details of the Sodium Channel Pore Basing on Animal Toxin Studies
Eukaryotic voltage-gated sodium channels play key roles in physiology and are targets for many toxins and medically important drugs. Physiology, pharmacology, and general architecture of the channels has long been the subject of intensive research in ...
Denis B. Tikhonov +2 more
doaj +1 more source
Serotonin Modulates Oscillations of the Membrane Potential in Isolated Spinal Neurons from Lampreys [PDF]
Studies were performed on spinal neurons from lampreys isolated by an enzymatic/mechanical method using pronase. The effects of 100 µM serotonin (5-HT) on membrane potential oscillations induced by a variety of excitatory amino acids were studied.
Batueva, I. V. +4 more
core +1 more source
Different types of potassium transport linked to carbachol and γ-aminobutyric acid actions in rat sympathetic neurons [PDF]
Carbachol and γ-aminobutyric acid depolarize mammalian sympathetic neurons and increase the free extracellular K+-concentration. We have used double-barrelled ion-sensitive microelectrodes to determine changes of the membrane potential and of the free ...
Ballanyi, Klaus +3 more
core +1 more source

