PKC regulation of ion channels: The involvement of PIP2

KD Gada, DE Logothetis - Journal of Biological Chemistry, 2022 - ASBMB
Ion channels are integral membrane proteins whose gating has been increasingly shown to
depend on the presence of the low-abundance membrane phospholipid …

PIP2 regulation of KCNQ channels: biophysical and molecular mechanisms for lipid modulation of voltage-dependent gating

MA Zaydman, J Cui - Frontiers in physiology, 2014 - frontiersin.org
Voltage-gated potassium (Kv) channels contain voltage-sensing (VSD) and pore-gate (PGD)
structural domains. During voltage-dependent gating, conformational changes in the two …

Vascular KCNQ potassium channels as novel targets for the control of mesenteric artery constriction by vasopressin, based on studies in single cells, pressurized …

AR Mackie, LI Brueggemann, KK Henderson… - … of Pharmacology and …, 2008 - ASPET
Pressor effects of the vasoconstrictor hormone arginine vasopressin (AVP), observed when
systemic AVP concentrations are less than 100 pM, are important for the physiological …

Structure, function, and modification of the voltage sensor in voltage-gated ion channels

SI Börjesson, F Elinder - Cell biochemistry and biophysics, 2008 - Springer
Voltage-gated ion channels are crucial for both neuronal and cardiac excitability. Decades
of research have begun to unravel the intriguing machinery behind voltage sensitivity …

Depolarization activates the phosphoinositide phosphatase Ci‐VSP, as detected in Xenopus oocytes coexpressing sensors of PIP2

Y Murata, Y Okamura - The Journal of physiology, 2007 - Wiley Online Library
Voltage‐evoked signals play critical roles in neural activities, muscle contraction and
exocytosis. Ciona voltage‐sensor containing phosphatase (Ci‐VSP) consists of the …

KCNQ5 channels control resting properties and release probability of a synapse

H Huang, LO Trussell - Nature neuroscience, 2011 - nature.com
Little is known about which ion channels determine the resting electrical properties of
presynaptic membranes. In recordings made from the rat calyx of Held, a giant mammalian …

Differential protein kinase C-dependent modulation of Kv7. 4 and Kv7. 5 subunits of vascular Kv7 channels

LI Brueggemann, AR Mackie, LL Cribbs, J Freda… - Journal of Biological …, 2014 - ASBMB
The Kv7 family (Kv7. 1–7.5) of voltage-activated potassium channels contributes to the
maintenance of resting membrane potential in excitable cells. Previously, we provided …

Phosphoproteomic of the acetylcholine pathway enables discovery of the PKC-β-PIX-Rac1-PAK cascade as a stimulatory signal for aversive learning

Y Yamahashi, YH Lin, A Mouri, S Iwanaga… - Molecular …, 2022 - nature.com
Acetylcholine is a neuromodulator critical for learning and memory. The cholinesterase
inhibitor donepezil increases brain acetylcholine levels and improves Alzheimer's disease …

A PIP2 substitute mediates voltage sensor-pore coupling in KCNQ activation

Y Liu, X Xu, J Gao, MM Naffaa, H Liang, J Shi… - Communications …, 2020 - nature.com
Abstract KCNQ family K+ channels (KCNQ1-5) in the heart, nerve, epithelium and ear
require phosphatidylinositol 4, 5-bisphosphate (PIP2) for voltage dependent activation …

Phosphatidylinositol 4, 5-bisphosphate (PIP2) regulates KCNQ3 K+ channels by interacting with four cytoplasmic channel domains

FS Choveau, V De la Rosa, SM Bierbower… - Journal of Biological …, 2018 - ASBMB
Phosphatidylinositol 4, 5-bisphosphate (PIP 2) in the plasma membrane regulates the
function of many ion channels, including M-type (potassium voltage-gated channel …