QX 314 bromide
Cat. No. 1014
Chemical Name: N-(2,6-Dimethylphenylcarbamoylmethy
Biological ActivityMembrane impermeable quaternary derivative of lidocaine, a blocker of voltage-activated Na+ channels. Intracellular QX 314 bromide also inhibits calcium currents in hippocampal CA1 pyramidal neurons.
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Certificate of Analysis / Product Datasheet / Safety Datasheet
References are publications that support the products' biological activity.
Talbot and Sayer (1996) Intracellular QX-314 inhibits calcium currents in hippocampal CA1 pyramidal neurons. J.Neurophysiol. 76 2120. PMID: 8890325.
Perkins and Wong (1995) Intracellular QX-314 blocks the hyperpolarization activated inward current Iq in hippocampal CA1 pyramidal cells. J.Neurophysiol. 73 911. PMID: 7760149.
Alreja and Aghajanian (1994) QX-314 blocks the potassium but not the sodium dependent components of the opiate response in locus coeruleus neurons. Brain.Res. 639 320. PMID: 8205485.
Stichartz et al (1973) The inhibition of sodium currents in myelinated nerve by quaternary derivatives of lidocaine. J.Gen.Physiol. 62 37. PMID: 4541340.
If you know of a relevant reference for QX 314 bromide please let us know.
Citations are publications that use Tocris products. Selected citations for QX 314 bromide include:
Ahn et al (2015) Characteristics of K(+) Outward Currents in the Cochlear Outer Hair Cells of Circling Mice within the First Postnatal Week. PLoS One 19 383. PMID: 26170743.
Chen and Chesler (2015) Autocrine boost of NMDAR current in hippocampal CA1 pyramidal neurons by a PMCA-dependent, perisynaptic, extracellular pH shift. J Neurosci 35 873. PMID: 25609607.
Lench et al (2015) Differential Effects of D-Cycloserine and ACBC at NMDA Receptors in the Rat Entorhinal Cortex Are Related to Efficacy at the Co-Agonist Binding Site. Toxins (Basel) 10 e0133548. PMID: 26193112.
McGee et al (2015) Auxiliary Subunit GSG1L Acts to Suppress Calcium-Permeable AMPA Receptor Function. J Neurosci 35 16171. PMID: 26658868.
Puranam et al (2015) Disruption of Fgf13 causes synaptic excitatory-inhibitory imbalance and genetic epilepsy and febrile seizures plus. Korean J Physiol Pharmacol 35 8866. PMID: 26063919.
Sametsky et al (2015) Enhanced GABAA-Mediated Tonic Inhibition in Auditory Thalamus of Rats with Behavioral Evidence of Tinnitus. J Neurosci 35 9369. PMID: 26109660.
Xue et al (2015) Structural elements that underlie Doc2β function during asynchronous synaptic transmission. Proc Natl Acad Sci U S A 112 E4316. PMID: 26195798.
Chuhma et al (2014) Dopamine neurons control striatal cholinergic neurons via regionally heterogeneous dopamine and glutamate signaling. Proc Natl Acad Sci U S A 81 901. PMID: 24559678.
Dale et al (2014) Vortioxetine disinhibits pyramidal cell function and enhances synaptic plasticity in the rat hippocampus. J Psychopharmacol 28 891. PMID: 25122043.
Gaffaney et al (2014) Mutations that disrupt Ca2+-binding activity endow Doc2β with novel functional properties during synaptic transmission. Mol Biol Cell 25 481. PMID: 24356452.
He and Bausch (2014) Synaptic plasticity in glutamatergic and GABAergic neurotransmission following chronic memantine treatment in an in vitro model of limbic epileptogenesis. BMC Neurosci 77 379. PMID: 24184417.
He et al (2013) Synaptic and extrasynaptic plasticity in glutamatergic circuits involving dentate granule cells following chronic N-methyl-D-aspartate receptor inhibition. J Neurosci 109 1535. PMID: 23255721.
Kuroyanagi et al (2009) Postsynaptic glutamate receptor δ family contributes to presynaptic terminal differentiation and establishment of synaptic transmission. J Neurophysiol 106 4912. PMID: 19258455.
Toyoda et al (2009) Roles of the AMPA receptor subunit GluA1 but not GluA2 in synaptic potentiation and activation of ERK in the anterior cingulate cortex. Mol Pain 5 46. PMID: 19664265.
Hong et al (2008) Glutamatergic transmission is sustained at a later period of development of medial nucleus of the trapezoid body-lateral superior olive synapses in circling mice. J Neurosci 28 13003. PMID: 19036993.
Baldelli et al (2007) Lack of synapsin I reduces the readily releasable pool of synaptic vesicles at central inhibitory synapses. J Neurosci 27 13520. PMID: 18057210.
Linnemann et al (2006) Transient change in GABA(A) receptor subunit mRNA expression in Lurcher cerebellar nuclei during Purkinje cell degeneration. Neuron 7 59. PMID: 16872511.
Xu et al (2006) Presynaptic regulation of the inhibitory transmission by GluR5-containing kainate receptors in spinal substantia gelatinosa. Mol Pain 2 29. PMID: 16948848.
Sur et al (2003) N-desmethylclozapine, an allosteric agonist at muscarinic 1 receptor, potentiates N-methyl-D-aspartate receptor activity. Proc Natl Acad Sci U S A 100 13674. PMID: 14595031.
View Related Products by Product Action
Keywords: QX 314 bromide, supplier, Na+, channel, blockers, Sodium, NaV, Channels, voltage-gated, voltage-dependent, QX314, bromide, Tocris Bioscience, Voltage-gated Sodium (NaV) Channel Blocker products