Insights into lipid-protein interactions from computer simulations

DP Tieleman, BI Sejdiu, EA Cino, P Smith… - Biophysical …, 2021 - Springer
Lipid-protein interactions play an important direct role in the function of many membrane
proteins. We argue they are key players in membrane structure, modulate membrane …

Structural mechanisms for the activation of human cardiac KCNQ1 channel by electro-mechanical coupling enhancers

D Ma, L Zhong, Z Yan, J Yao, Y Zhang… - Proceedings of the …, 2022 - National Acad Sciences
The cardiac KCNQ1 potassium channel carries the important IKs current and controls the
heart rhythm. Hundreds of mutations in KCNQ1 can cause life-threatening cardiac …

Targeting ion channels with ultra-large library screening for hit discovery

K Melancon, P Pliushcheuskaya, J Meiler… - Frontiers in Molecular …, 2024 - frontiersin.org
Ion channels play a crucial role in a variety of physiological and pathological processes,
making them attractive targets for drug development in diseases such as diabetes, epilepsy …

Polyunsaturated fatty acids inhibit a pentameric ligand-gated ion channel through one of two binding sites

NM Dietzen, MJ Arcario, LJ Chen, JT Petroff II… - Elife, 2022 - elifesciences.org
Polyunsaturated fatty acids (PUFAs) inhibit pentameric ligand-gated ion channels (pLGICs)
but the mechanism of inhibition is not well understood. The PUFA, docosahexaenoic acid …

Molecular Insights into Single-Chain Lipid Modulation of Acid-Sensing Ion Channel 3

R Bandarupalli, R Roth, RC Klipp… - The Journal of …, 2024 - ACS Publications
Polyunsaturated fatty acids (PUFAs) and their analogs play a significant role in modulating
the activity of diverse ion channels, and recent studies show that these lipids potentiate acid …

Cyclodextrins Exert a Ligand-like Current Inhibitory Effect on the KV1.3 Ion Channel Independent of Membrane Cholesterol Extraction

T Kovacs, T Sohajda, L Szente, P Nagy… - Frontiers in Molecular …, 2021 - frontiersin.org
Cyclodextrins (CDs) are cyclic oligosaccharides capable of forming water-soluble
complexes with a variety of otherwise poorly soluble molecules including cholesterol and …

Endocannabinoids enhance hKV7. 1/KCNE1 channel function and shorten the cardiac action potential and QT interval

I Hiniesto-Iñigo, LM Castro-Gonzalez, V Corradi… - …, 2023 - thelancet.com
Background Genotype-positive patients who suffer from the cardiac channelopathy Long QT
Syndrome (LQTS) may display a spectrum of clinical phenotypes, with often unknown …

Subtype-specific responses of hKv7. 4 and hKv7. 5 channels to polyunsaturated fatty acids reveal an unconventional modulatory site and mechanism

DJA Frampton, K Choudhury, J Nikesjö, L Delemotte… - Elife, 2022 - elifesciences.org
Abstract The KV 7.4 and KV 7.5 subtypes of voltage-gated potassium channels play a role in
important physiological processes such as sound amplification in the cochlea and adjusting …

PUFA stabilizes a conductive state of the selectivity filter in IKs channels

A Golluscio, J Eldstrom, JJ Jowais, ME Perez… - Elife, 2024 - elifesciences.org
In cardiomyocytes, the KCNQ1/KCNE1 channel complex mediates the slow delayed-rectifier
current (IKs), pivotal during the repolarization phase of the ventricular action potential …

Structural determinants of acid-sensing ion channel potentiation by single chain lipids

RC Klipp, JR Bankston - Journal of General Physiology, 2022 - rupress.org
Acid-sensing ion channels (ASICs) are sensitized to activation by inflammatory mediators
such as the polyunsaturated fatty acid (PUFA) arachidonic acid (AA). Previous work has …