Challenges in the therapeutic targeting of KCa channels: From basic physiology to clinical applications

NTH Van, WK Kim, JH Nam - International Journal of Molecular Sciences, 2024 - mdpi.com
Calcium-activated potassium (KCa) channels are ubiquitously expressed throughout the
body and are able to regulate membrane potential and intracellular calcium concentrations …

The molecular basis for the calcium-dependent slow afterhyperpolarization in CA1 hippocampal pyramidal neurons

G Sahu, RW Turner - Frontiers in Physiology, 2021 - frontiersin.org
Neuronal signal transmission depends on the frequency, pattern, and timing of spike output,
each of which are shaped by spike afterhyperpolarizations (AHPs). There are classically …

Overexpression of KCNN4 channels in principal neurons produces an anti-seizure effect without reducing their coding ability

ES Nikitin, TY Postnikova, EY Proskurina… - Gene Therapy, 2024 - nature.com
Gene therapy offers a potential alternative to the surgical treatment of epilepsy, which affects
millions of people and is pharmacoresistant in~ 30% of cases. Aimed at reducing the …

Potassium channels as prominent targets and tools for the treatment of epilepsy

ES Nikitin, LV Vinogradova - Expert Opinion on Therapeutic …, 2021 - Taylor & Francis
Introduction K+ channels are of great interest to epilepsy research as mutations in their
genes are found in humans with inherited epilepsy. At the level of cellular physiology, K+ …

Nav1. 2 and BK channel interaction shapes the action potential in the axon initial segment

L Filipis, LA Blömer, J Montnach… - The Journal of …, 2023 - Wiley Online Library
In neocortical layer‐5 pyramidal neurons, the action potential (AP) is generated in the axon
initial segment (AIS) when the membrane potential (Vm) reaches the threshold for activation …

Evaluation of mechanisms involved in regulation of intrinsic excitability by extracellular calcium in CA1 pyramidal neurons of rat

M Forsberg, D Zhou, S Jalali, G Faravelli… - Journal of …, 2025 - Wiley Online Library
It is well recognized that changes in the extracellular concentration of calcium ions influence
the excitability of neurons, yet what mechanism (s) mediate these effects is still a matter of …

Potassium KCa3. 1 channel overexpression deteriorates functionality and availability of channels at the outer cellular membrane

NV Bal, I Oblasov, VN Ierusalimsky… - Scientific Reports, 2025 - nature.com
The engineered expression of K+ channels has been proposed as a potential treatment for
epilepsy due to their exceptional ability to hyperpolarize neurons. A number of rodent …

Ca2+-permeable AMPA receptor-dependent silencing of neurons by KCa3. 1 channels during epileptiform activity

I Oblasov, NV Bal, AM Shvadchenko… - Biochemical and …, 2024 - Elsevier
Abstract Ca 2+-activated KCa3. 1 channels are known to contribute to slow
afterhyperpolarization in pyramidal neurons of several brain areas, while Ca 2+-permeable …

Vasoactive intestinal peptide excites GnRH neurons via KCa3. 1, a potential player in the slow afterhyperpolarization current

S Constantin, C Quignon, K Pizano… - Frontiers in Cellular …, 2024 - frontiersin.org
Vasoactive intestinal peptide (VIP) is an important component of the suprachiasmatic
nucleus (SCN) which relays circadian information to neuronal populations, including GnRH …

Parallelized Mechanical Stimulation of Neuronal Calcium Through Cell‐Internal Nanomagnetic Forces Provokes Lasting Shifts in the Network Activity State

CL Beck, A Kunze - Small, 2025 - Wiley Online Library
Neurons differentiate mechanical stimuli force and rate to elicit unique functional responses,
driving the need for further tools to generate various mechanical stimuli. Here, cell‐internal …