[HTML][HTML] Lipoprotein-induced increases in cholesterol and 7-ketocholesterol result in opposite molecular-scale biophysical effects on membrane structure

MAA Ayee, I Levitan - Frontiers in Cardiovascular Medicine, 2021 - frontiersin.org
Under hypercholesterolemic conditions, exposure of cells to lipoproteins results in a subtle
membrane increase in the levels of cholesterol and 7-ketocholesterol, as compared to …

Tail-oxidized cholesterol enhances membrane permeability for small solutes

A Olzynska, W Kulig, H Mikkolainen, T Czerniak… - Langmuir, 2020 - ACS Publications
Cholesterol renders mammalian cell membranes more compact by reducing the amount of
voids in the membrane structure. Because of this, cholesterol is known to regulate the ability …

Rapid diffusion of cholesterol along polyunsaturated membranes via deep dives

M Javanainen, H Martinez-Seara - Physical Chemistry Chemical …, 2019 - pubs.rsc.org
Cholesterol regulates the function of membrane proteins either via direct or membrane-
mediated effects. Therefore, its ready availability is crucial for many protein-governed …

The aliphatic chain of cholesterol modulates bilayer interleaflet coupling and domain registration

X Lin, S Zhang, H Ding, I Levental, AA Gorfe - FEBS letters, 2016 - Wiley Online Library
Cholesterol is a necessary component and critical regulator of liquid‐ordered membrane
domains. However, the structural features that determine its unique physicochemical …

The effects of the lipid type on the spatial arrangement and dynamics of cholesterol in binary component lipid membranes

Y Oh, ES Song, BJ Sung - The Journal of Chemical Physics, 2021 - pubs.aip.org
Intermolecular interactions between cholesterol and lipids in cell membranes, which play
critical roles in cellular processes such as the formation of nano-domains, depend on the …

[PDF][PDF] 25-Hydroxycholesterol increases the availability of cholesterol in phospholipid membranes

BN Olsen, PH Schlesinger, DS Ory, NA Baker - Biophysical journal, 2011 - cell.com
Side-chain oxysterols are enzymatically generated oxidation products of cholesterol that
serve a central role in mediating cholesterol homeostasis. Recent work has shown that side …

[HTML][HTML] Cholesterol in phospholipid bilayers: positions and orientations inside membranes with different unsaturation degrees

I Ermilova, AP Lyubartsev - Soft Matter, 2019 - pubs.rsc.org
Cholesterol is an essential component of all animal cell membranes and plays an important
role in maintaining the membrane structure and physical–chemical properties necessary for …

[PDF][PDF] Oxidation of cholesterol changes the permeability of lipid membranes

WT Kulig, H Mikkolainen, A Olzynska, P Jurkiewicz… - Biophysical journal, 2017 - cell.com
The function of living systems is inherently based on cells, which are the key building blocks
of living organisms. Each cell in a human body is surrounded by a cell membrane, which …

Interactions between ether phospholipids and cholesterol as determined by scattering and molecular dynamics simulations

J Pan, X Cheng, FA Heberle, B Mostofian… - The Journal of …, 2012 - ACS Publications
Cholesterol and ether lipids are ubiquitous in mammalian cell membranes, and their
interactions are crucial in ether lipid mediated cholesterol trafficking. We report on …

Cholesterol flip-flop impacts domain registration in plasma membrane models

S Thallmair, HI Ingólfsson… - The journal of physical …, 2018 - ACS Publications
The plasma membrane is a highly complex multicomponent system that is central to the
functioning of cells. Cholesterol, a key lipid component of the plasma membrane, promotes …