Persisting Region-Specific Microglia Activation and Synaptic Imbalance During Remission in a DSS-Induced Colitis Model. [PDF]
Relapsing colitis region‐specific microglial states beyond remission. Cortical microglia remain pro‐inflammatory and synapse‐disruptive, while hippocampal microglia shift toward a reparative program that maintains neuronal circuit stability. ABSTRACT Ulcerative colitis (UC) patients experience cycles of active gut inflammation and remission, with ...
Morton L +6 more
europepmc +2 more sources
Gephyrin: a central GABAergic synapse organizer [PDF]
Gephyrin is a central element that anchors, clusters and stabilizes glycine and γ-aminobutyric acid type A receptors at inhibitory synapses of the mammalian brain. It self-assembles into a hexagonal lattice and interacts with various inhibitory synaptic proteins. Intriguingly, the clustering of gephyrin, which is regulated by multiple posttranslational
Gayoung, Choii, Jaewon, Ko
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Startle disease is a rare disorder associated with mutations in GLRA1 and GLRB, encoding glycine receptor (GlyR) α1 and β subunits, which enable fast synaptic inhibitory transmission in the spinal cord and brainstem.
Inken Piro +7 more
doaj +1 more source
Receptors, gephyrin and gephyrin‐associated proteins: novel insights into the assembly of inhibitory postsynaptic membrane specializations [PDF]
The synaptic localization of ion channel receptors is essential for efficient synaptic trans‐mission and the precise regulation of diverse neuronal functions, such as signal integration and synaptic plasticity. Emerging evidence points to an important role of cytoskeleton‐associated proteins that assemble receptors and components of the subsynaptic ...
M, Kneussel, H, Betz
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Complex regulation of Gephyrin splicing is a determinant of inhibitory postsynaptic diversity
The protein gephyrin is involved in organizing synapses. Here, the authors show how different transcripts of gephyrin form and regulate inhibitory synapses.
Raphaël Dos Reis +12 more
doaj +1 more source
The GDP-GTP exchange factor collybistin: an essential determinant of neuronal gephyrin clustering [PDF]
Glycine receptors (GlyRs) and specific subtypes of GABA(A) receptors are clustered at synapses by the multidomain protein gephyrin, which in turn is translocated to the cell membrane by the GDP-GTP exchange factor collybistin.
Ward, H +53 more
core +1 more source
Hippocampal Astrocytes Impact Postnatal Development of Inhibitory Connections, Parvalbumin Levels, Social, and Spatial Navigation Behaviors in a Mouse Model of Fragile X Syndrome. [PDF]
Astrocyte‐specific postnatal deletion of Fmr1 affects GABAergic gene expression and phasic inhibition of CA1 neurons in the hippocampus. While GABA transport in astrocytes does not alter tonic inhibition of CA1 pyramidal cells, it affects PV levels and is implicated in impaired spatial memories and social behaviors in astrocyte‐specific Fmr1 cKO mice ...
Wagner VA +9 more
europepmc +2 more sources
In the rural communities of sub-Saharan African (sSA) countries, malaria is being managed using phytocompounds. Artesunate is reported to inhibit Gephyrin E, a central, multi-domain scaffolding protein of inhibitory post-synapses.
Michael P. Okoh +8 more
doaj +1 more source
Autoimmunity to Gephyrin in Stiff-Man Syndrome [PDF]
Stiff-Man syndrome (SMS) is a rare disease of the central nervous system (CNS) characterized by chronic rigidity, spasms, and autoimmunity directed against synaptic antigens, most often the GABA-synthesizing enzyme glutamic acid decarboxylase (GAD). In a subset of cases, SMS has an autoimmune paraneoplastic origin.
Butler, Margaret Husta +7 more
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Gephyrin: a scaffold that builds a phase at the inhibitory postsynapses [PDF]
The scaffolding protein gephyrin is a core component of many inhibitory synapses. Bai and colleagues now show that phase separation of gephyrin with the subunits of both glycine and GABA receptors underlies the formation of postsynaptic sheets at the inhibitory ...
Christian Hoffmann, Dragomir Milovanovic
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