[HTML][HTML] Retinal pigment epithelium 65 kDa protein (RPE65): An update

PD Kiser - Progress in retinal and eye research, 2022 - Elsevier
Vertebrate vision critically depends on an 11-cis-retinoid renewal system known as the
visual cycle. At the heart of this metabolic pathway is an enzyme known as retinal pigment …

[HTML][HTML] Dynamic lipid turnover in photoreceptors and retinal pigment epithelium throughout life

D Lewandowski, CL Sander, A Tworak, F Gao… - Progress in retinal and …, 2022 - Elsevier
The retinal pigment epithelium-photoreceptor interphase is renewed each day in a stunning
display of cellular interdependence. While photoreceptors use photosensitive pigments to …

Capturing a rhodopsin receptor signalling cascade across a native membrane

S Chen, T Getter, D Salom, D Wu, D Quetschlich… - Nature, 2022 - nature.com
G protein-coupled receptors (GPCRs) are cell-surface receptors that respond to various
stimuli to induce signalling pathways across cell membranes. Recent progress has yielded …

Structure and function of ABCA4 and its role in the visual cycle and Stargardt macular degeneration

RS Molday, FA Garces, JF Scortecci… - Progress in retinal and eye …, 2022 - Elsevier
ABCA4 is a member of the superfamily of ATP-binding cassette (ABC) transporters that is
preferentially localized along the rim region of rod and cone photoreceptor outer segment …

Beyond fluidity: the role of lipid unsaturation in membrane function

T Harayama, B Antonny - Cold Spring Harbor …, 2023 - cshperspectives.cshlp.org
The number of double bonds in the acyl chains of membrane lipids varies tremendously at
all scales of life, from the organism level to the subcellular level, where differences in lipid …

The essential role of docosahexaenoic acid and its derivatives for retinal integrity

D Swinkels, M Baes - Pharmacology & Therapeutics, 2023 - Elsevier
The fatty acid composition of photoreceptor outer segment (POS) phospholipids diverges
from other membranes, being highly enriched in polyunsaturated fatty acids (PUFAs). The …

Detergent-free isolation of membrane proteins and strategies to study them in a near-native membrane environment

B Krishnarjuna, A Ramamoorthy - Biomolecules, 2022 - mdpi.com
Atomic-resolution structural studies of membrane-associated proteins and peptides in a
membrane environment are important to fully understand their biological function and the …

Cryo-EM structures of peripherin-2 and ROM1 suggest multiple roles in photoreceptor membrane morphogenesis

D El Mazouni, P Gros - Science advances, 2022 - science.org
Mammalian peripherin-2 (PRPH2) and rod outer segment membrane protein 1 (ROM1) are
retina-specific tetraspanins that partake in the constant renewal of stacked membrane discs …

ELOVL4 mutations that cause spinocerebellar ataxia-34 differentially alter very long chain fatty acid biosynthesis

YK Gyening, NK Chauhan, M Tytanic, V Ea… - Journal of Lipid …, 2023 - ASBMB
Abstract The FA Elongase-4 (ELOVL4) enzyme mediates biosynthesis of both very long
chain (VLC)-PUFAs and VLC-saturated FA (VLC-SFAs). VLC-PUFAs play critical roles in …

Lipid packing is disrupted in copolymeric nanodiscs compared with intact membranes

LMR Hernandez, I Levental - Biophysical Journal, 2023 - cell.com
Discoidal lipid-protein nanoparticles known as nanodiscs are widely used tools in structural
and membrane biology. Amphipathic, synthetic copolymers have recently become an …