[HTML][HTML] Hydrophobic gating in ion channels

P Aryal, MSP Sansom, SJ Tucker - Journal of molecular biology, 2015 - Elsevier
Biological ion channels are nanoscale transmembrane pores. When water and ions are
enclosed within the narrow confines of a sub-nanometer hydrophobic pore, they exhibit …

Mammalian mechanoelectrical transduction: structure and function of force-gated ion channels

D Douguet, E Honoré - Cell, 2019 - cell.com
The conversion of force into an electrical cellular signal is mediated by the opening of
different types of mechanosensitive ion channels (MSCs), including TREK/TRAAK K 2P …

Physical mechanism for gating and mechanosensitivity of the human TRAAK K+ channel

SG Brohawn, EB Campbell, R MacKinnon - Nature, 2014 - nature.com
Activation of mechanosensitive ion channels by physical force underlies many physiological
processes including the sensation of touch, hearing and pain,,,,. TRAAK (also known as …

K2P channel gating mechanisms revealed by structures of TREK-2 and a complex with Prozac

YY Dong, ACW Pike, A Mackenzie, C McClenaghan… - Science, 2015 - science.org
TREK-2 (KCNK10/K2P10), a two-pore domain potassium (K2P) channel, is gated by
multiple stimuli such as stretch, fatty acids, and pH and by several drugs. However, the …

K2P2. 1 (TREK-1)-activator complexes reveal a cryptic selectivity filter binding site

M Lolicato, C Arrigoni, T Mori, Y Sekioka, C Bryant… - Biophysical …, 2018 - cell.com
Monday, February 19, 2018 303a neuronal excitability, respond to lipids, temperature and
mechanical stretch, and influence pain, temperature perception and anaesthetic responses …

The family of K2P channels: salient structural and functional properties

S Feliciangeli, FC Chatelain, D Bichet… - The Journal of …, 2015 - Wiley Online Library
Potassium channels participate in many biological functions, from ion homeostasis to
generation and modulation of the electrical membrane potential. They are involved in a …

Light controls cerebral blood flow in naive animals

RL Rungta, BF Osmanski, D Boido, M Tanter… - Nature …, 2017 - nature.com
Optogenetics is increasingly used to map brain activation using techniques that rely on
functional hyperaemia, such as opto-fMRI. Here we test whether light stimulation protocols …

Membrane phospholipids control gating of the mechanosensitive potassium leak channel TREK1

PAM Schmidpeter, JT Petroff, L Khajoueinejad… - Nature …, 2023 - nature.com
Tandem pore domain (K2P) potassium channels modulate resting membrane potentials and
shape cellular excitability. For the mechanosensitive subfamily of K2Ps, the composition of …

Transmembrane helix straightening and buckling underlies activation of mechanosensitive and thermosensitive K2P channels

M Lolicato, PM Riegelhaupt, C Arrigoni, KA Clark… - Neuron, 2014 - cell.com
Mechanical and thermal activation of ion channels is central to touch, thermosensation, and
pain. The TRAAK/TREK K 2P potassium channel subfamily produces background currents …

K2P channel C-type gating involves asymmetric selectivity filter order-disorder transitions

M Lolicato, AM Natale, F Abderemane-Ali, D Crottès… - Science …, 2020 - science.org
K2P potassium channels regulate cellular excitability using their selectivity filter (C-type)
gate. C-type gating mechanisms, best characterized in homotetrameric potassium channels …