Degeneracy in epilepsy: multiple routes to hyperexcitable brain circuits and their repair

TM Stöber, D Batulin, J Triesch, R Narayanan… - Communications …, 2023 - nature.com
Due to its complex and multifaceted nature, developing effective treatments for epilepsy is
still a major challenge. To deal with this complexity we introduce the concept of degeneracy …

Loss of neuronal heterogeneity in epileptogenic human tissue impairs network resilience to sudden changes in synchrony

S Rich, HM Chameh, J Lefebvre, TA Valiante - Cell Reports, 2022 - cell.com
A myriad of pathological changes associated with epilepsy can be recast as decreases in
cell and circuit heterogeneity. We thus propose recontextualizing epileptogenesis as a …

HCN channels at the cell soma ensure the rapid electrical reactivity of fast-spiking interneurons in human neocortex

V Szegedi, E Bakos, S Furdan, BH Kovács… - PLoS …, 2023 - journals.plos.org
Accumulating evidence indicates that there are substantial species differences in the
properties of mammalian neurons, yet theories on circuit activity and information processing …

Clinical parameters affect the structure and function of superficial pyramidal neurons in the adult human neocortex

M Lenz, P Kruse, A Eichler, J Straehle… - Brain …, 2024 - academic.oup.com
The interplay between neuronal structure and function underpins the dynamic nature of
neocortical networks. Despite extensive studies in animal models, our understanding of …

An in vitro whole-cell electrophysiology dataset of human cortical neurons

D Howard, HM Chameh, A Guet-McCreight… - …, 2022 - academic.oup.com
Background Whole-cell patch-clamp electrophysiology is an essential technique for
understanding how single neurons translate their diverse inputs into a functional output. The …

In-silico testing of new pharmacology for restoring inhibition and human cortical function in depression

A Guet-McCreight, HM Chameh, F Mazza… - Communications …, 2024 - nature.com
Reduced inhibition by somatostatin-expressing interneurons is associated with depression.
Administration of positive allosteric modulators of α5 subunit-containing GABAA receptor (α5 …

Electrophysiology and morphology of human cortical supragranular pyramidal cells in a wide age range

P Barzó, I Szöts, M Tóth, ÉA Csajbók, G Molnár… - …, 2024 - pmc.ncbi.nlm.nih.gov
The basic excitatory neurons of the cerebral cortex, the pyramidal cells, are the most
important signal integrators for the local circuit. They have quite characteristic morphological …

Therapeutic dose prediction of α5-GABA receptor modulation from simulated EEG of depression severity

A Guet-McCreight, F Mazza, TD Prevot… - PLOS Computational …, 2024 - journals.plos.org
Treatment for major depressive disorder (depression) often has partial efficacy and a large
portion of patients are treatment resistant. Recent studies implicate reduced somatostatin …

Hyperpolarization-activated cation channels shape the spiking frequency preference of human cortical layer 5 pyramidal neurons

H Inibhunu, HM Chameh, F Skinner, S Rich… - Eneuro, 2023 - eneuro.org
Discerning the contribution of specific ionic currents to complex neuronal dynamics is a
difficult, but important, task. This challenge is exacerbated in the human setting, although the …

Intra-individual physiomic landscape of pyramidal neurons in the human neocortex

H Planert, FX Mittermaier, S Grosser, P Fidzinski… - bioRxiv, 2021 - biorxiv.org
Computation within cortical microcircuits is determined by functional properties of the
neurons and their synaptic interactions. While heterogeneity of inhibitory interneurons is well …