QX 314 bromide
Membrane 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.
|Storage||Desiccate at RT|
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.
|Solubility||Soluble to 100 mM in water|
Preparing Stock Solutions
The following data is based on the product molecular weight 343.31. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|1 mM||2.91 mL||14.56 mL||29.13 mL|
|5 mM||0.58 mL||2.91 mL||5.83 mL|
|10 mM||0.29 mL||1.46 mL||2.91 mL|
|50 mM||0.06 mL||0.29 mL||0.58 mL|
References are publications that support the products' biological activity.
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
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
Talbot and Sayer (1996) Intracellular QX-314 inhibits calcium currents in hippocampal CA1 pyramidal neurons. J.Neurophysiol. 76 2120 PMID: 8890325
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Keywords: QX 314 bromide, supplier, Na+, channel, blockers, Sodium, NaV, Channels, voltage-gated, voltage-dependent, QX314, bromide, Voltage-gated, Sodium, Channels, Voltage-gated, Sodium, Channels, Tocris Bioscience
19 Citations for QX 314 bromide
Citations are publications that use Tocris products. Selected citations for QX 314 bromide include:
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
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
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
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
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
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
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
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
McGee et al (2015) Auxiliary Subunit GSG1L Acts to Suppress Calcium-Permeable AMPA Receptor Function. J Neurosci 35 16171 PMID: 26658868
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
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
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
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
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
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
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
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
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