Rapid homeostatic plasticity and neuropsychiatric therapeutics

ET Kavalali, LM Monteggia - Neuropsychopharmacology, 2023 - nature.com
Neuronal and synaptic plasticity are widely used terms in the field of psychiatry. However,
cellular neurophysiologists have identified two broad classes of plasticity. Hebbian forms of …

MDGAs perform activity-dependent synapse type-specific suppression via distinct extracellular mechanisms

S Kim, G Jang, H Kim, D Lim, KA Han… - Proceedings of the …, 2024 - National Acad Sciences
MDGA (MAM domain containing glycosylphosphatidylinositol anchor) family proteins were
previously identified as synaptic suppressive factors. However, various genetic …

[HTML][HTML] Spatially non-overlapping Ca2+ signals drive distinct forms of neurotransmission

CS Wang, LM Monteggia, ET Kavalali - Cell reports, 2023 - cell.com
Summary Calcium (Ca 2+) signaling is tightly regulated within a presynaptic bouton. Here,
we visualize Ca 2+ signals within hippocampal presynaptic boutons using GCaMP8s tagged …

Nanoscale architecture of synaptic vesicles and scaffolding complexes revealed by cryo-electron tomography

RG Held, J Liang, AT Brunger - Proceedings of the National Academy of …, 2024 - pnas.org
The spatial distribution of proteins and their arrangement within the cellular ultrastructure
regulates the opening of α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) …

Distinct SAP102 and PSD-95 nano-organization defines multiple types of synaptic scaffold protein domains at single synapses.

SR Metzbower, AD Levy, PA Dharmasri… - Journal of …, 2024 - Soc Neuroscience
MAGUK scaffold proteins play a central role in maintaining and modulating synaptic
signaling, providing a framework to retain and position receptors, signaling molecules, and …

Frequency of spontaneous neurotransmission at individual boutons corresponds to the size of the readily releasable pool of vesicles

AJ Ralowicz, S Hokeness, MB Hoppa - Journal of Neuroscience, 2024 - Soc Neuroscience
Synapses maintain two forms of neurotransmitter release to support communication in the
brain. First, evoked neurotransmitter release is triggered by the invasion of an action …

Brain-derived neurotrophic factor scales presynaptic calcium transients to modulate excitatory neurotransmission

CS Wang, CI McCarthy… - Proceedings of the …, 2024 - National Acad Sciences
Brain-derived neurotrophic factor (BDNF) plays a critical role in synaptic physiology, as well
as mechanisms underlying various neuropsychiatric diseases and their treatment. Despite …

SV2B defines a subpopulation of synaptic vesicles

I Paulussen, H Beckert, TF Musial… - Journal of Molecular …, 2023 - academic.oup.com
Synaptic vesicles can undergo several modes of exocytosis, endocytosis, and trafficking
within individual synapses, and their fates may be linked to differences in the vesicular …

Neuronal glutamate transporters control reciprocal inhibition and gain modulation in D1 medium spiny neurons

MA Petroccione, LY D'Brant, N Affinnih, PH Wehrle… - Elife, 2023 - elifesciences.org
Understanding the function of glutamate transporters has broad implications for explaining
how neurons integrate information and relay it through complex neuronal circuits. Most of …

Spontaneous and evoked synaptic vesicle release arises from a single releasable pool

J Duan, M Kahms, A Steinhoff, J Klingauf - Cell Reports, 2024 - cell.com
The quantal content of an evoked postsynaptic response is typically determined by dividing
it by the average spontaneous miniature response. However, this approach is challenged by …