Cholesterol stiffening of lipid membranes

FT Doole, T Kumarage, R Ashkar, MF Brown - The Journal of Membrane …, 2022 - Springer
Biomembrane order, dynamics, and other essential physicochemical parameters are
controlled by cholesterol, a major component of mammalian cell membranes. Although …

[HTML][HTML] Direct and indirect cholesterol effects on membrane proteins with special focus on potassium channels

F Zakany, T Kovacs, G Panyi, Z Varga - … BBA)-Molecular and Cell Biology of …, 2020 - Elsevier
As described in the literature the interaction between cholesterol and membrane proteins
can occur via direct, ligand-like and indirect mechanisms, in which cholesterol effects are …

Spontaneous curvature, differential stress, and bending modulus of asymmetric lipid membranes

A Hossein, M Deserno - Biophysical Journal, 2020 - cell.com
Lipid bilayers can exhibit asymmetric states, in which the physical characteristics of one
leaflet differ from those of the other. This most visibly manifests in a different lipid …

Distribution of cholesterol in asymmetric membranes driven by composition and differential stress

M Varma, M Deserno - Biophysical Journal, 2022 - cell.com
Many lipid membranes of eukaryotic cells are asymmetric, which means the two leaflets
differ in at least one physical property, such as lipid composition or lateral stress …

Nanoscale dynamics of cholesterol in the cell membrane

K Pinkwart, F Schneider, M Lukoseviciute… - Journal of Biological …, 2019 - ASBMB
Cholesterol constitutes∼ 30–40% of the mammalian plasma membrane, a larger fraction
than of any other single component. It is a major player in numerous signaling processes as …

Requirement of Cholesterol for Calcium‐Dependent Vesicle Fusion by Strengthening Synaptotagmin‐1‐Induced Membrane Bending

HY Ali Moussa, KC Shin, J Ponraj, SJ Kim… - Advanced …, 2023 - Wiley Online Library
Cholesterol is essential for neuronal activity and function. Cholesterol depletion in the
plasma membrane impairs synaptic transmission. However, the molecular mechanisms by …

Simulations of asymmetric membranes illustrate cooperative leaflet coupling and lipid adaptability

M Blumer, S Harris, M Li, L Martinez… - Frontiers in Cell and …, 2020 - frontiersin.org
Biological membranes are composed of lipid bilayers that are often asymmetric with regards
to the lipid composition and/or aqueous solvent they separate. Studying lipid asymmetry …

Simulated dynamic cholesterol redistribution favors membrane fusion pore constriction

AH Beaven, K Sapp, AJ Sodt - Biophysical Journal, 2023 - cell.com
Endo-and exocytosis proceed through a highly strained membrane fusion pore topology
regardless of the aiding protein machinery. The membrane's lipid components bias fusion …

Investigation of the domain line tension in asymmetric vesicles prepared via hemifusion

TA Enoki, J Wu, FA Heberle, GW Feigenson - Biochimica et Biophysica …, 2021 - Elsevier
The plasma membrane (PM) is asymmetric in lipid composition. The distinct and
characteristic lipid compositions of the exoplasmic and cytoplasmic leaflets lead to different …

Designing a useful lipid raft model membrane for electrochemical and surface analytical studies

M Zaborowska, D Dziubak, D Matyszewska, S Sek… - Molecules, 2021 - mdpi.com
A model biomimetic system for the study of protein reconstitution or drug interactions should
include lipid rafts in the mixed lipid monolayer, since they are usually the domains …