Gephyrin is the key scaffolding molecule organizing the postsynaptic density at inhibitory synapses. Utilizing localization microscopy, Specht et al. (2013) report in this issue of Neuron on the quantitative assessment of gephyrin clusters and associated glycine receptors and GABAA receptors.
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http://dx.doi.org/10.1016/j.neuron.2013.07.004 | DOI Listing |
J Neurosci
January 2024
Ottawa Hospital Research Institute (Neuroscience), University of Ottawa, Ottawa, Ontario K1H-8M5, Canada
Selective serotonin (5-HT) reuptake inhibitors are only 30% effective for remission in subjects with major depression, and the best treatments for SSRI-resistant patients remain unclear. To model SSRI resistance, we used cF1ko mice with conditional deletion of the repressor Freud-1/CC2D1A in adult 5-HT neurons. Within weeks, this deletion leads to overexpression of 5-HT1A autoreceptors, reduced serotonergic activity, and fluoxetine-resistant anxiety-depression phenotype.
View Article and Find Full Text PDFDis Markers
September 2022
Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, 350012, China.
Tourette syndrome (TS) is a neurodevelopmental movement disorder characterized by multiple motor and vocal tics. In this study, we used a TS rat model induced by 3,3'-iminodipropionitrile (IDPN) and aimed to investigate the expression change of Syntaxin 1A (STX1A). Rats in the control group received intraperitoneal injection of normal saline, and TS rats were injected with IDPN (150 mg/kg/day).
View Article and Find Full Text PDFInt J Mol Sci
January 2022
Department of Neurotoxicology, Mossakowski Medical Research Institute, Polish Academy of Sciences, 5 Pawińskiego Str., 02-106 Warsaw, Poland.
Decreased platelet count represents a feature of acute liver failure (ALF) pathogenesis. Platelets are the reservoir of transforming growth factor 1 (TGF-β1), a multipotent cytokine involved in the maintenance of, i.a.
View Article and Find Full Text PDFNeurobiol Dis
December 2017
Epilepsy Research Laboratories, Stanford Univ. Sch. of Medicine, United States. Electronic address:
Unlabelled: Electrophysiological experiments in the partial cortical isolation ("undercut" or "UC") model of injury-induced neocortical epileptogenesis have shown alterations in GABAergic synaptic transmission attributable to abnormalities in presynaptic terminals. To determine whether the decreased inhibition was associated with structural abnormalities in GABAergic interneurons, we used immunocytochemical techniques, confocal microscopy and EM in UC and control sensorimotor rat cortex to analyze structural alterations in fast-spiking parvalbumin-containing interneurons and pyramidal (Pyr) cells of layer V. Principle findings were: 1) there were no decreases in counts of parvalbumin (PV)- or GABA-immunoreactive interneurons in UC cortex, however there were significant reductions in expression of VGAT and GAD-65 and -67 in halos of GABAergic terminals around Pyr somata in layer V.
View Article and Find Full Text PDFLeg Med (Tokyo)
September 2016
Department of Forensic Medicine, Faculty of Medicine, Fukuoka University, Japan. Electronic address:
We report the quantification of immunohistochemical findings for a diagnosis of dementia in autopsy cases among older decedents. Autopsy cases were selected with the following requirements: >65yo; no head injuries, thermal injuries, or heat stroke; no intracranial lesions; and within 48h of death. Among cases that met all requirements, 10 had a clinical diagnosis of dementia were included in dementia group.
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