Beyond a transmission cable—new technologies to reveal the richness in axonal electrophysiology

JC Mateus, MM Sousa, J Burrone, P Aguiar - Journal of Neuroscience, 2024 - jneurosci.org
The axon is a neuronal structure capable of processing, encoding, and transmitting
information. This assessment contrasts with a limiting, but deeply rooted, perspective where …

Retinoic acid signaling in development and differentiation commitment and its regulatory topology

D Wu, FA Khan, K Zhang, NS Pandupuspitasari… - Chemico-Biological …, 2024 - Elsevier
Retinoic acid (RA), the derivative of vitamin A/retinol, is a signaling molecule with important
implications in health and disease. It is a well-known developmental morphogen that …

Homeostatic regulation of axonal Kv1. 1 channels accounts for both synaptic and intrinsic modifications in the hippocampal CA3 circuit

M Zbili, S Rama, MJ Benitez… - Proceedings of the …, 2021 - pnas.org
Homeostatic plasticity of intrinsic excitability goes hand in hand with homeostatic plasticity of
synaptic transmission. However, the mechanisms linking the two forms of homeostatic …

[HTML][HTML] Diversification of potassium currents in excitable cells via Kvβ proteins

MM Dwenger, SM Raph, SP Baba, JB Moore IV… - Cells, 2022 - mdpi.com
Excitable cells of the nervous and cardiovascular systems depend on an assortment of
plasmalemmal potassium channels to control diverse cellular functions. Voltage-gated …

Visualizing physiological parameters in cells and tissues using genetically encoded indicators for metabolites

A San Martín, R Arce-Molina, C Aburto… - Free Radical Biology …, 2022 - Elsevier
The study of metabolism is undergoing a renaissance. Since the year 2002, over 50
genetically-encoded fluorescent indicators (GEFIs) have been introduced, capable of …

A theory of synaptic transmission

B Wang, OK Dudko - Elife, 2021 - elifesciences.org
Rapid and precise neuronal communication is enabled through a highly synchronous
release of signaling molecules neurotransmitters within just milliseconds of the action …

Graded control of Purkinje cell outputs by cAMP through opposing actions on axonal action potential and transmitter release

K Furukawa, T Inoshita… - The Journal of …, 2024 - Wiley Online Library
All‐or‐none signalling by action potentials (APs) in neuronal axons is pivotal for the
precisely timed and identical size of outputs to multiple distant targets. However, technical …

Neuronal FOS reports synchronized activity of presynaptic neurons

M Anisimova, PJ Lamothe-Molina, A Franzelin… - BioRxiv, 2023 - biorxiv.org
The immediate early gene FOS is frequently used as a marker for highly active neurons.
Implicit in this use is the assumption that there is a correlation between neuronal spiking and …

Voltage-gated potassium channels ensure action potential shape fidelity in distal axons

VG Sabater, M Rigby, J Burrone - Journal of Neuroscience, 2021 - jneurosci.org
The initiation and propagation of the action potential (AP) along an axon allows neurons to
convey information rapidly and across distant sites. Although AP properties have typically …

Two epilepsy‐associated variants in KCNA2 (KV1.2) at position H310 oppositely affect channel functional expression

T Mínguez‐Viñas, V Prakash, K Wang… - The Journal of …, 2023 - Wiley Online Library
Two KCNA2 variants (p. H310Y and p. H310R) were discovered in paediatric patients with
epilepsy and developmental delay. KCNA2 encodes KV1. 2‐channel subunits, which …