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Methobromide salt of (+)-bicuculline. Water soluble and more stable than bicuculline. Non-GABA receptor-mediated actions reported.
|Storage||Store at RT|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
|Solvent||Max Conc. mg/mL||Max Conc. mM|
Preparing Stock Solutions
The following data is based on the product molecular weight 462.3. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|0.5 mM||4.33 mL||21.63 mL||43.26 mL|
|2.5 mM||0.87 mL||4.33 mL||8.65 mL|
|5 mM||0.43 mL||2.16 mL||4.33 mL|
|25 mM||0.09 mL||0.43 mL||0.87 mL|
References are publications that support the biological activity of the product.
Bowery et al (1983) Characteristics of GABAB receptor binding sites on rat whole brain synaptic membranes. Br.J.Pharmacol. 78 191 PMID: 6297646
Seutin and Johnson (1999) Recent advances in the pharmacology of quaternary salts of bicuculline. TiPS 20 268 PMID: 10390643
Sperber et al (1987) Nigral infusions of muscimol or bicuculline facilitate seizures in developing rats. Brain Res. 465 243 PMID: 3440204
If you know of a relevant reference for (-)-Bicuculline methobromide, please let us know.
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Keywords: (-)-Bicuculline methobromide, (-)-Bicuculline methobromide supplier, Water-soluble, GABAA, antagonists, Receptors, 0109, Tocris Bioscience
15 Citations for (-)-Bicuculline methobromide
Citations are publications that use Tocris products. Selected citations for (-)-Bicuculline methobromide include:
Johnson et al (2011) Activation of group II metabotropic glutamate receptors induces long-term depression of excitatory synaptic transmission in the substantia nigra pars reticulata. Neurosci Lett 504 102 PMID: 21945652
Peng et al (2010) Postsynaptic spiking homeostatically induces cell-autonomous regulation of inhibitory inputs via retrograde signaling. J Neurosci 30 16220 PMID: 21123568
Galván et al (2010) Critical involvement of postsynaptic protein kinase activation in long-term potentiation at hippocampal mossy fiber synapses on CA3 interneurons. J Neurosci 30 2844 PMID: 20181582
Andrade-Talavera et al (2016) Presynaptic Spike Timing-Dependent Long-Term Depression in the Mouse Hippocampus. Cereb Cortex 26 3637 PMID: 27282393
Nam et al (2019) Activation of Astrocytic μ-Opioid Receptor Causes Conditioned Place Preference. Cell Rep 28 1154 PMID: 31365861
Galván et al (2015) Synapse-specific compartmentalization of signaling cascades for LTP induction in CA3 interneurons. Neuroscience 290 332 PMID: 25637803
Maguire et al (2014) Extrasynaptic glycine receptors of rodent dorsal raphe serotonergic neurons: a sensitive target for ethanol. Neuropsychopharmacology 39 1232 PMID: 24264816
Gascon et al (2006) GABA regulates dendritic growth by stabilizing lamellipodia in newly generated interneurons of the olfactory bulb. J Neurosci 26 12956 PMID: 17167085
Woo et al (2019) Pharmacological Dissection of Intrinsic Optical Signal Reveals a Functional Coupling between Synaptic Activity and Astrocytic Volume Transient. Exp Neurobiol 28 30 PMID: 30853822
Chen et al (2017) Distinct Inhibitory Circuits Orchestrate Cortical beta and gamma Band Oscillations. Neuron 96 1403 PMID: 29268099
Maccione et al (2014) Following the ontogeny of retinal waves: pan-retinal recordings of population dynamics in the neonatal mouse. J Physiol 592 1545 PMID: 24366261
Sipilä et al (2009) Compensatory enhancement of intrinsic spiking upon NKCC1 disruption in neonatal hippocampus. J Neurosci 29 6982 PMID: 19474325
Krook-Magnuson et al (2008) Tonically active inhibition selectively controls feedforward circuits in mouse barrel cortex. J Neurophysiol 100 932 PMID: 18509076
Huang and Hessler Social modulation during songbird courtship potentiates midbrain DArgic neurons. PLoS One 3 e3281 PMID: 18827927
Miyazato et al (2008) GABA receptor activation in the lumbosacral spinal cord decreases detrusor overactivity in spinal cord injured rats. J Urol 179 1178 PMID: 18206170
Do you know of a great paper that uses (-)-Bicuculline methobromide from Tocris? Please let us know.
Reviews for (-)-Bicuculline methobromide
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Apart of classical action at GABA-A receptors, bicuculline methobromide (BIC) can be used as a tool to reveal presence of alpha2 glycine receptor (GlyR) subunit.In our work we transfected HEK cells with alpha2 and beta GlyR subunits to obtain heteromeric GlyRs. Application of glycine triggered a clear receptors response, but subsequent addition of BIC decreased response amplitude by >95% (see image). This confirmed expression of alpha2 subunits and their incorporation into active GlyRs.
Literature in this Area
Tocris offers the following scientific literature in this area to showcase our products. We invite you to request* or download your copy today!
*Please note that Tocris will only send literature to established scientific business / institute addresses.
GABA Receptors Scientific Review
Written by Ian Martin, Norman Bowery and Susan Dunn, this review provides a history of the GABA receptor, as well as discussing the structure and function of the various subtypes and the clinical potential of receptor modulators; compounds available from Tocris are listed.
The key feature of drug addiction is the inability to stop using a drug despite clear evidence of harm. This poster describes the brain circuits associated with addiction, and provides an overview of the main classes of addictive drugs and the neurotransmitter systems that they target.
Epilepsy is a brain disease that affects 60 million people globally. More than 20 anti-seizure drugs are currently available, but these do not address the underlying causes of the condition. This poster summarizes current knowledge about the development of the condition and highlights some approaches that have disease-modifying effects in proof-of-concept studies.
Peripheral sensitization is the reduction in the threshold of excitability of sensory neurons that results in an augmented response to a given external stimulus. This poster outlines the excitatory and inhibitory signaling pathways involved in modulation of peripheral sensitization. The role of ion channels, GPCRs, neurotrophins, and cytokines in sensory neurons are also described.
Schizophrenia is a debilitating psychiatric disorder that affects 1% of the worldwide population. This poster describes the neurobiology of Schizophrenia, as well as highlighting the genetic and environmental factors that play a fundamental role in the etiology of the disease. The current and emerging drug targets are also discussed.