Fast activity chirp patterns in focal seizures from patients and animal models

M Lévesque, V Gnatkovsky, FR Li, P Scalmani… - …, 2024 - Wiley Online Library
Time–frequency analysis of focal seizure electroencephalographic signals performed with
depth electrodes in human temporal lobe structures has revealed the occurrence at onset of …

CA3 principal cell activation triggers hypersynchronous-onset seizures in a mouse model of mesial temporal lobe epilepsy

S Wang, M Lévesque, TAJ Fisher… - Journal of …, 2023 - journals.physiology.org
Mesial temporal lobe epilepsy (MTLE) is the most common form of focal epilepsy and it is
characterized by seizures that are often refractory to medications. Seizures in MTLE have …

Modulation of in vitro epileptiform activity by optogenetic stimulation of parvalbumin-positive interneurons

S Wang, C Kfoury, A Marion… - Journal of …, 2022 - journals.physiology.org
GABAA signaling is surprisingly involved in the initiation of epileptiform activity since
increased interneuron firing, presumably leading to excessive GABA release, often …

[HTML][HTML] Frequency-dependent seizure-suppressing effects of optogenetic activation of septal inhibitory cells in mesial temporal lobe epilepsy

M Lévesque, FR Li, S Wang, M Avoli - Neurobiology of Disease, 2024 - Elsevier
Mesial temporal lobe epilepsy (MTLE) is characterized by recurring focal seizures that arise
from limbic areas and are often refractory to pharmacological interventions. We have …

[HTML][HTML] Gene therapy for Dravet syndrome: promises and impact on disease trigger and secondary modifications

C Di Berardino, L Massimino, F Ungaro… - Rare Disease and …, 2024 - oaepublish.com
Dravet syndrome is a severe epileptic syndrome that begins during the first year of life of
otherwise healthy babies. Over the years, the seizure burden changes, and pathology …

Low concentration dimethyl sulfoxide (DMSO) modulates epileptiform synchronization in the 4-aminopyridine in vitro model

FR Li, M Gemayel, M Lévesque, S Wang… - Journal of Neuroscience …, 2024 - Elsevier
Dimethyl sulfoxide (DMSO) is commonly used to dissolve water-insoluble drugs due to its
dipolar and aprotic properties. It also serves as a vehicle in many pharmacological studies …

[HTML][HTML] Ictal activity is sustained by the estrogen receptor β during the estrous cycle

FR Li, M Lévesque, S Wang, MI Carreño-Muñoz… - Current Research in …, 2024 - Elsevier
Catamenial epilepsy, defined as a periodicity of seizure exacerbation during the menstrual
cycle, affects up to 70% of epileptic women. Seizures in these patients are often non …

Long-term hippocampal low-frequency stimulation alleviates focal seizures, memory deficits and synaptic pathology in epileptic mice

P Kleis, E Paschen, A Djie-Maletz, A Vlachos, CA Haas… - bioRxiv, 2025 - biorxiv.org
Background: Mesial temporal lobe epilepsy (MTLE) is a prevalent form of focal epilepsy
characterized by seizures originating from the hippocampus and adjacent regions …

[HTML][HTML] GABAB receptor outward currents are transiently disclosed by the convulsant 4-aminopyridine in vitro

A Cattani, S Wang, M Lévesque, JP Farmer… - Current Research in …, 2023 - Elsevier
The K+ channel blocker 4-aminopyridine (4AP) has been extensively used to investigate the
mechanisms underlying neuronal network synchronization in both in vitro and in vivo animal …

Role of Parvalbumin-Positive Interneurons in Mesial Temporal Lobe Epilepsy

S Wang - 2024 - escholarship.mcgill.ca
Epilepsy is a chronic pathological brain state that is characterized by spontaneous recurrent
seizures. Mesial temporal lobe epilepsy (MTLE) is the most common form of focal epilepsy in …