Specific imbalance of excitatory/inhibitory signaling establishes seizure onset pattern in temporal lobe epilepsy

M Avoli, M De Curtis, V Gnatkovsky… - Journal of …, 2016 - journals.physiology.org
Low-voltage fast (LVF) and hypersynchronous (HYP) patterns are the seizure-onset patterns
most frequently observed in intracranial EEG recordings from mesial temporal lobe epilepsy …

GABAergic interneurons in seizures: investigating causality with optogenetics

V Magloire, MS Mercier, DM Kullmann… - The …, 2019 - journals.sagepub.com
Seizures are complex pathological network events characterized by excessive and
hypersynchronized activity of neurons, including a highly diverse population of GABAergic …

Excitatory effects of parvalbumin-expressing interneurons maintain hippocampal epileptiform activity via synchronous afterdischarges

TJ Ellender, JV Raimondo, A Irkle… - Journal of …, 2014 - Soc Neuroscience
Epileptic seizures are characterized by periods of hypersynchronous, hyperexcitability within
brain networks. Most seizures involve two stages: an initial tonic phase, followed by a longer …

Tranexamic acid concentrations associated with human seizures inhibit glycine receptors

I Lecker, DS Wang, AD Romaschin… - The Journal of …, 2012 - Am Soc Clin Investig
Antifibrinolytic drugs are widely used to reduce blood loss during surgery. One serious
adverse effect of these drugs is convulsive seizures; however, the mechanisms underlying …

Fast spiking interneuron control of seizure propagation in a cortical slice model of focal epilepsy

M Cammarota, G Losi, A Chiavegato… - The Journal of …, 2013 - Wiley Online Library
Key points In focal epilepsy the propagation of seizure discharges arising at restricted brain
sites is opposed by feedforward inhibition. Failure of this inhibition marks focal seizure …

Interneuron desynchronization precedes seizures in a mouse model of Dravet syndrome

CH Tran, M Vaiana, J Nakuci… - Journal of …, 2020 - Soc Neuroscience
Recurrent seizures, which define epilepsy, are transient abnormalities in the electrical
activity of the brain. The mechanistic basis of seizure initiation, and the contribution of …

Interneuron activity leads to initiation of low‐voltage fast‐onset seizures

Z Shiri, F Manseau, M Lévesque, S Williams… - Annals of …, 2015 - Wiley Online Library
Seizures in temporal lobe epilepsy can be classified as hypersynchronous and low‐voltage
fast according to their onset patterns. Experimental evidence suggests that low‐voltage fast …

Disrupting epileptiform activity by preventing parvalbumin interneuron depolarization block

A Călin, AS Ilie, CJ Akerman - Journal of Neuroscience, 2021 - Soc Neuroscience
Inhibitory synaptic mechanisms oppose epileptic network activity in the brain. The
breakdown in this inhibitory restraint and propagation of seizure activity has been linked to …

[PDF][PDF] An excitatory and epileptogenic effect of dentate gyrus mossy cells in a mouse model of epilepsy

JJ Botterill, YL Lu, JJ LaFrancois, HL Bernstein… - Cell reports, 2019 - cell.com
The sparse activity of hippocampal dentate gyrus (DG) granule cells (GCs) is thought to be
critical for cognition and behavior, whereas excessive DG activity may contribute to …

Excitatory GABAergic signalling is associated with benzodiazepine resistance in status epilepticus

RJ Burman, JS Selfe, JH Lee, M van den Berg, A Calin… - Brain, 2019 - academic.oup.com
Status epilepticus is defined as a state of unrelenting seizure activity. Generalized
convulsive status epilepticus is associated with a rapidly rising mortality rate, and thus …