Rab3 and synaptotagmin proteins in the regulation of vesicle fusion and neurotransmitter release

X Wang, D Yu, H Wang, Z Lei, Y Zhai, M Sun, S Chen… - Life Sciences, 2022 - Elsevier
Ca 2+-triggered neurotransmitter release involves complex regulatory mechanisms,
including a series of protein-protein interactions. Three proteins, synaptobrevin (VAMP) …

Allosteric stabilization of calcium and phosphoinositide dual binding engages several synaptotagmins in fast exocytosis

JRL Kobbersmed, MMM Berns, S Ditlevsen… - Elife, 2022 - elifesciences.org
Synaptic communication relies on the fusion of synaptic vesicles with the plasma membrane,
which leads to neurotransmitter release. This exocytosis is triggered by brief and local …

Forces of change: optical tweezers in membrane remodeling studies

SK Cheppali, R Dharan, R Sorkin - The Journal of Membrane Biology, 2022 - Springer
Optical tweezers allow precise measurement of forces and distances with piconewton and
nanometer precision, and have thus been instrumental in elucidating the mechanistic details …

Lactadherin's Multistate Binding Predicts Stable Membrane-Bound Conformations of Factors V and VIII's C Domains

KJ Cheng, AM De Lio, R Jain, D Paul, JH Morrissey… - Biochemistry, 2023 - ACS Publications
Protein binding to negatively charged lipids is essential for maintaining numerous vital
cellular processes where its dysfunction can lead to various diseases. One such protein that …

The release of inhibition model reproduces kinetics and plasticity of neurotransmitter release in central synapses

CA Norman, SS Krishnakumar, Y Timofeeva… - Communications …, 2023 - nature.com
Calcium-evoked release of neurotransmitters from synaptic vesicles (SVs) is catalysed by
SNARE proteins. The predominant view is that, at rest, complete assembly of SNARE …

Correlation between evoked neurotransmitter release and adaptive functions in SYT1-associated neurodevelopmental disorder

PY Park, LE Bleakley, N Saraya, R Al-Jawahiri, J Eck… - …, 2024 - thelancet.com
Background Pathogenic missense variants in the essential synaptic vesicle protein
synaptotagmin-1 (SYT1) cause a neurodevelopmental disorder characterised by motor …

SNARE Proteins in Synaptic Vesicle Fusion

MT Palfreyman, SE West, EM Jorgensen - Molecular Mechanisms of …, 2023 - Springer
Neurotransmitters are stored in small membrane-bound vesicles at synapses; a subset of
synaptic vesicles is docked at release sites. Fusion of docked vesicles with the plasma …

Ca2+-dependent lipid preferences shape synaptotagmin-1 C2A and C2B dynamics: Insights from experiments and simulations

J Bender, T Kundlacz, LSP Rudden, M Frick, J Bieber… - Structure, 2024 - cell.com
Signal transmission between neurons requires exocytosis of neurotransmitters from the
lumen of synaptic vesicles into the synaptic cleft. Following an influx of Ca 2+, this process is …

A conserved electrostatic membrane‐binding surface in synaptotagmin‐like proteins revealed using molecular phylogenetic analysis and homology modeling

NL Chon, S Tran, CS Miller, H Lin, JD Knight - Protein Science, 2024 - Wiley Online Library
Protein structure prediction has emerged as a core technology for understanding
biomolecules and their interactions. Here, we combine homology‐based structure prediction …

Delineation of the pathogenic presynaptic mechanisms of synaptotagmin-1 variants

H Melland, K Venter, SL Leech, A Ferreira, EH Arvell… - bioRxiv, 2023 - biorxiv.org
Missense variants in the presynaptic calcium sensor synaptotagmin-1 (SYT1) are associated
with an autosomal dominant neurodevelopmental disorder (NDD). These cause dominant …