Calcium channels, synaptic plasticity, and neuropsychiatric disease

E Nanou, WA Catterall - Neuron, 2018 - cell.com
Voltage-gated calcium channels couple depolarization of the cell-surface membrane to entry
of calcium, which triggers secretion, contraction, neurotransmission, gene expression, and …

Mechanism of neurotransmitter release coming into focus

J Rizo - Protein Science, 2018 - Wiley Online Library
Research for three decades and major recent advances have provided crucial insights into
how neurotransmitters are released by Ca2+‐triggered synaptic vesicle exocytosis, leading …

Mechanism and cellular function of direct membrane binding by the ESCRT and ERES-associated Ca2+-sensor ALG-2

S Shukla, W Chen, S Rao, S Yang… - Proceedings of the …, 2024 - National Acad Sciences
Apoptosis linked Gene-2 (ALG-2) is a multifunctional intracellular Ca2+ sensor and the
archetypal member of the penta-EF hand protein family. ALG-2 functions in the repair of …

Hypothesis–buttressed rings assemble, clamp, and release SNAREpins for synaptic transmission

JE Rothman, SS Krishnakumar, K Grushin… - FEBS …, 2017 - Wiley Online Library
Neural networks are optimized to detect temporal coincidence on the millisecond timescale.
Here, we offer a synthetic hypothesis based on recent structural insights into SNARE s and …

Single-molecule force spectroscopy of protein-membrane interactions

L Ma, Y Cai, Y Li, J Jiao, Z Wu, B O'Shaughnessy… - Elife, 2017 - elifesciences.org
Many biological processes rely on protein–membrane interactions in the presence of
mechanical forces, yet high resolution methods to quantify such interactions are lacking …

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 …

Synaptotagmin-7 places dense-core vesicles at the cell membrane to promote Munc13-2- and Ca2+-dependent priming

B Tawfik, JS Martins, S Houy, C Imig, PS Pinheiro… - Elife, 2021 - elifesciences.org
Synaptotagmins confer calcium-dependence to the exocytosis of secretory vesicles, but how
coexpressed synaptotagmins interact remains unclear. We find that synaptotagmin-1 and …

The high-affinity calcium sensor synaptotagmin-7 serves multiple roles in regulated exocytosis

DD MacDougall, Z Lin, NL Chon, SL Jackman… - Journal of General …, 2018 - rupress.org
Synaptotagmin (Syt) proteins comprise a 17-member family, many of which trigger
exocytosis in response to calcium. Historically, most studies have focused on the isoform Syt …

5-IP7 is a GPCR messenger mediating neural control of synaptotagmin-dependent insulin exocytosis and glucose homeostasis

X Zhang, N Li, J Zhang, Y Zhang, X Yang, Y Luo… - Nature …, 2021 - nature.com
diphosphoinositol pentakisphosphate (5-IP7) is a signalling metabolite linked to various
cellular processes. How extracellular stimuli elicit 5-IP7 signalling remains unclear. Here we …

On the difficulties of characterizing weak protein interactions that are critical for neurotransmitter release

J Rizo, G David, ME Fealey, K Jaczynska - FEBS Open Bio, 2022 - Wiley Online Library
The mechanism of neurotransmitter release has been extensively characterized, showing
that vesicle fusion is mediated by the SNARE complex formed by syntaxin‐1, SNAP‐25 and …