Results 21 to 30 of about 2,241,154 (143)

Regulation of pain neurotransmitters and chondrocytes metabolism mediated by voltage-gated ion channels: A narrative review

open access: yesHeliyon, 2023
Osteoarthritis (OA) is one of the leading causes of chronic pain and dysfunction. It is essential to comprehend the nature of pain and cartilage degeneration and its influencing factors on OA treatment. Voltage-gated ion channels (VGICs) are essential in
Xinwei Wang, Xueping Li
doaj   +1 more source

Determining the structure of the bacterial voltage-gated sodium channel NaChBac embedded in liposomes by cryo electron tomography and subtomogram averaging

open access: yesScientific Reports, 2023
Voltage-gated sodium channels shape action potentials that propagate signals along cells. When the membrane potential reaches a certain threshold, the channels open and allow sodium ions to flow through the membrane depolarizing it, followed by the ...
Shih-Ying Scott Chang   +3 more
doaj   +1 more source

Voltage-Gated Sodium Channels in Neocortical Pyramidal Neurons Display Cole-Moore Activation Kinetics

open access: yesFrontiers in Cellular Neuroscience, 2018
Exploring the properties of action potentials is a crucial step toward a better understanding of the computational properties of single neurons and neural networks. The voltage-gated sodium channel is a key player in action potential generation.
Mara Almog   +4 more
doaj   +1 more source

1-O-Acetylgeopyxin A, a derivative of a fungal metabolite, blocks tetrodotoxin-sensitive voltage-gated sodium, calcium channels and neuronal excitability which correlates with inhibition of neuropathic pain

open access: yesMolecular Brain, 2020
Chronic pain can be the result of an underlying disease or condition, medical treatment, inflammation, or injury. The number of persons experiencing this type of pain is substantial, affecting upwards of 50 million adults in the United States ...
Yuan Zhou   +9 more
doaj   +1 more source

A Tale of Toxin Promiscuity: The Versatile Pharmacological Effects of Hcr 1b-2 Sea Anemone Peptide on Voltage-Gated Ion Channels

open access: yesMarine Drugs, 2022
Sea anemones are a rich source of biologically active compounds. Among approximately 1100 species described so far, Heteractis crispa species, also known as sebae anemone, is native to the Indo-Pacific area.
Ernesto Lopes Pinheiro-Junior   +5 more
doaj   +1 more source

Molecular mechanisms of the coupling of gating to voltage sensing in transmembrane proteins [PDF]

open access: yes, 2014
Voltage gated potassium ion (Kv) channels regulate action potentials of the nervous system by responding to changes in transmembrane voltage, enabling K+ transport across the membrane to restore cells to their resting potential.
Starek, Greg
core   +1 more source

Shellfish Toxins Targeting Voltage-Gated Sodium Channels

open access: yesMarine Drugs, 2013
Voltage-gated sodium channels (VGSCs) play a central role in the generation and propagation of action potentials in excitable neurons and other cells and are targeted by commonly used local anesthetics, antiarrhythmics, and anticonvulsants. They are also
Fan Zhang   +3 more
doaj   +1 more source

Photocontrol of Voltage-Gated Ion Channel Activity by Azobenzene Trimethylammonium Bromide in Neonatal Rat Cardiomyocytes. [PDF]

open access: yesPLoS ONE, 2016
The ability of azobenzene trimethylammonium bromide (azoTAB) to sensitize cardiac tissue excitability to light was recently reported. The dark, thermally relaxed trans- isomer of azoTAB suppressed spontaneous activity and excitation propagation speed ...
Sheyda R Frolova   +4 more
doaj   +1 more source

Kv7 and Kv11 channels in myometrial regulation. [PDF]

open access: yes, 2013
Ion channels play a key role in defining myometrial contractility. Modulation of ion channel populations is proposed to underpin gestational changes in uterine contractility associated with the transition from uterine quiescence to active labour.
Tribe, Rachel M; id_orcid   +5 more
core   +1 more source

An update on transcriptional and post-translational regulation of brain voltage-gated sodium channels [PDF]

open access: yes, 2015
Voltage-gated sodium channels are essential proteins in brain physiology, as they generate the sodium currents that initiate neuronal action potentials.
Onwuli, Donatus O.   +3 more
core   +1 more source

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