Extrasynaptic GABAA receptors in the brainstem and spinal cord: structure and function

R Delgado-Lezama, E Loeza-Alcocer… - Current …, 2013 - ingentaconnect.com
γ-aminobutyric acid (GABA) plays many of its key roles in embryonic development and
functioning of the central nervous system (CNS) by acting on ligand gated chloride …

Tests for presynaptic modulation of corticospinal terminals from peripheral afferents and pyramidal tract in the macaque

A Jackson, SN Baker, EE Fetz - The Journal of physiology, 2006 - Wiley Online Library
The efficacy of sensory input to the spinal cord can be modulated presynaptically during
voluntary movement by mechanisms that depolarize afferent terminals and reduce …

GABAB Receptors Tonically Inhibit Motoneurons and Neurotransmitter Release from Descending and Primary Afferent Fibers

X Delgado-Ramírez, NS Alvarado-Cervantes… - Life, 2023 - mdpi.com
Motoneurons receive thousands of excitatory and inhibitory synapses from descending
tracts and primary afferent fibers. The excitability of these neurons must be precisely …

Functional and molecular clues reveal precursor‐like cells and immature neurones in the turtle spinal cord

RE Russo, A Fernández, C Reali… - The Journal of …, 2004 - Wiley Online Library
In lower vertebrates, some cells contacting the central canal (CC) retain the ability to
proliferate, leading the reconstruction of the spinal cord after injury. A better understanding …

α5GABAA receptors mediate primary afferent fiber tonic excitability in the turtle spinal cord

E Loeza-Alcocer, M Canto-Bustos… - Journal of …, 2013 - journals.physiology.org
γ-Amino butyric acid (GABA) plays a key role in the regulation of central nervous system by
activating synaptic and extrasynaptic GABAA receptors. It is acknowledged that …

Pre‐ and postsynaptic modulation of monosynaptic reflex by GABAA receptors on turtle spinal cord

W Bautista, J Aguilar, JE Loeza‐Alcocer… - The Journal of …, 2010 - Wiley Online Library
There is growing evidence that activation of high affinity extrasynaptic GABAA receptors in
the brain, cerebellum and spinal cord substantia gelatinosa results in a tonic inhibition …

Spectral breadth and laminar distribution of thalamocortical inputs to A1

I Intskirveli, A Joshi… - Journal of …, 2016 - journals.physiology.org
The GABAergic agonist muscimol is used to inactivate brain regions in order to reveal
afferent inputs in isolation. However, muscimol's use in primary auditory cortex (A1) has …

Functional Expression of T-Type Ca2+ Channels in Spinal Motoneurons of the Adult Turtle

M Canto-Bustos, E Loeza-Alcocer… - PloS one, 2014 - journals.plos.org
Voltage-gated Ca2+ (CaV) channels are transmembrane proteins comprising three
subfamilies named CaV1, CaV2 and CaV3. The CaV3 channel subfamily groups the low …

Extrasynaptic α6 Subunit-Containing GABAA Receptors Modulate Excitability in Turtle Spinal Motoneurons

C Andres, J Aguilar, R Gonzalez-Ramirez… - PLoS …, 2014 - journals.plos.org
Motoneurons are furnished with a vast repertoire of ionotropic and metabotropic receptors
as well as ion channels responsible for maintaining the resting membrane potential and …

Characterization of the binding of [3H] CGP54626 to GABAB receptors in the male bullfrog (Rana catesbeiana)

MJ Asay, SK Boyd - Brain research, 2006 - Elsevier
Gamma-aminobutyric acid (GABA) is the main inhibitory neurotransmitter in the vertebrate
brain. GABA activates both ionotropic (GABAA) and metabotropic (GABAB) receptors in …