When are depolarizing GABAergic responses excitatory?

W Kilb - Frontiers in Molecular Neuroscience, 2021 - frontiersin.org
The membrane responses upon activation of GABA (A) receptors critically depend on the
intracellular Cl− concentration ([Cl−] i), which is maintained by a set of transmembrane …

[HTML][HTML] Optogenetics for controlling seizure circuits for translational approaches

M Ledri, M Andersson, J Wickham, M Kokaia - Neurobiology of Disease, 2023 - Elsevier
The advent of optogenetic tools has had a profound impact on modern neuroscience
research, revolutionizing our understanding of the brain. These tools offer a remarkable …

Dendritic spines as tunable regulators of synaptic signals

J Tønnesen, UV Nägerl - Frontiers in psychiatry, 2016 - frontiersin.org
Neurons are perpetually receiving vast amounts of information in the form of synaptic input
from surrounding cells. The majority of input occurs at thousands of dendritic spines, which …

[HTML][HTML] KCC2 drives chloride microdomain formation in dendritic blebbing

NL Weilinger, LE Wicki-Stordeur, CJ Groten, JM LeDue… - Cell reports, 2022 - cell.com
Intracellular chloride ion concentration ([Cl–] i) homeostasis is critical for excitatory/inhibitory
balance and volume regulation in neurons. We quantitatively map spatiotemporal dendritic …

[HTML][HTML] Super-resolution STED microscopy in live brain tissue

S Calovi, FN Soria, J Tønnesen - Neurobiology of Disease, 2021 - Elsevier
STED microscopy is one of several fluorescence microscopy techniques that permit imaging
at higher spatial resolution than what the diffraction-limit of light dictates. STED imaging is …

Vesicle and reaction-diffusion hybrid modeling with STEPS

I Hepburn, J Lallouette, W Chen, AR Gallimore… - Communications …, 2024 - nature.com
Vesicles carry out many essential functions within cells through the processes of
endocytosis, exocytosis, and passive and active transport. This includes transporting and …

Geometric principles of second messenger dynamics in dendritic spines

A Cugno, TM Bartol, TJ Sejnowski, R Iyengar… - Scientific reports, 2019 - nature.com
Dendritic spines are small, bulbous protrusions along dendrites in neurons and play a
critical role in synaptic transmission. Dendritic spines come in a variety of shapes that …

Biophysical models reveal the relative importance of transporter proteins and impermeant anions in chloride homeostasis

KM Düsterwald, CB Currin, RJ Burman, CJ Akerman… - Elife, 2018 - elifesciences.org
Fast synaptic inhibition in the nervous system depends on the transmembrane flux of Cl-ions
based on the neuronal Cl-driving force. Established theories regarding the determinants of …

Diminished KCC2 confounds synapse specificity of LTP during senescence

I Ferando, GC Faas, I Mody - Nature neuroscience, 2016 - nature.com
The synapse specificity of long-term potentiation (LTP) ensures that no interference arises
from inputs irrelevant to the memory to be encoded. In hippocampi of aged (21–28 months) …

Chloride dynamics alter the input-output properties of neurons

CB Currin, AJ Trevelyan, CJ Akerman… - PLoS computational …, 2020 - journals.plos.org
Fast synaptic inhibition is a critical determinant of neuronal output, with subcellular targeting
of synaptic inhibition able to exert different transformations of the neuronal input-output …