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Submit Review(±)-Bay K 8644
Description: CaV1.x activator
Chemical Name: 1,4-Dihydro-2,6-dimethyl-5-nitro-4-[2-(trifluoromethyl)phenyl]-3-pyridinecarboxylic acid, methyl ester
Purity: ≥98% (HPLC)
Biological Activity for (±)-Bay K 8644
(±)-Bay K 8644 is a L-type Ca2+ channel activator (EC50 = 17.3 nM). Has positive inotropic, vasoconstrictive and behavioral effects in vivo. In combination with BIX-01294 (Cat. No. 3364), helps generate induced pluripotent stem cells (iPSCs) from mouse embryonic fibroblasts (MEFs). Inhibits autophagy.
(S)-(-)-Enantiomer and (R)-(+)-Enantiomer also available.
Technical Data for (±)-Bay K 8644
| M. Wt | 356.3 |
| Formula | C16H15F3N2O4 |
| Storage | Store at +4°C |
| Purity | ≥98% (HPLC) |
| CAS Number | 71145-03-4 |
| PubChem ID | 2303 |
| InChI Key | ZFLWDHHVRRZMEI-UHFFFAOYSA-N |
| Smiles | COC(=O)C1=C(C)NC(C)=C(C1C1=CC=CC=C1C(F)(F)F)[N+]([O-])=O |
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.
Solubility Data for (±)-Bay K 8644
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| ethanol | 35.63 | 100 | |
| DMSO | 35.63 | 100 |
Preparing Stock Solutions for (±)-Bay K 8644
The following data is based on the product molecular weight 356.3. 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 |
|---|---|---|---|
| 1 mM | 2.81 mL | 14.03 mL | 28.07 mL |
| 5 mM | 0.56 mL | 2.81 mL | 5.61 mL |
| 10 mM | 0.28 mL | 1.4 mL | 2.81 mL |
| 50 mM | 0.06 mL | 0.28 mL | 0.56 mL |
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Product Datasheets for (±)-Bay K 8644
References for (±)-Bay K 8644
References are publications that support the biological activity of the product.
Bourson et al (1989) Central and peripheral effects of the dihydropyridine calcium channel activator BAY K 8644 in the rat. Eur.J.Pharmacol. 160 339 PMID: 2469593
Greenberg et al (1984) Calcium channel 'agonist' BAY K 8644 inhibits calcium antagonist binding to brain and PC12 cell membranes. Brain Res. 305 365 PMID: 6204725
Shi et al (2008) Induction of pluripotent stem cells from mouse embryonic fibroblasts by Oct4 and Klf4 with small-molecule compounds. Cell Stem Cell 3 568 PMID: 18983970
Sarkar et al (2009) Rapamycin and mTOR-independent autophagy inducers ameliorate toxicity of polyglutamine-expanded huntingtin and related proteinopathies. Cell Death Differ. 16 46 PMID: 18636076
If you know of a relevant reference for (±)-Bay K 8644, please let us know.
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Keywords: (±)-Bay K 8644, (±)-Bay K 8644 supplier, Ca2+-channel, activators, L-type, Calcium, CaV, Channels, L-Type, voltage-gated, voltage-dependent, Ca2+, (±)-BayK8644, autophagy, inhibitors, inhibits, Cav1.x, Stem, Cell, Reprogramming, Autophagy, 1544, Tocris Bioscience
15 Citations for (±)-Bay K 8644
Citations are publications that use Tocris products. Selected citations for (±)-Bay K 8644 include:
Subramanian and Morozov (2011) Erk1/2 inhibit synaptic vesicle exocytosis through L-type calcium channels. J Neurosci 31 4755 PMID: 21430174
Grassin-Delyle et al (2013) The expression and relaxant effect of bitter taste receptors in human bronchi. Respir Res 14 134 PMID: 24266887
Bellono (2017) Molecular basis of ancestral vertebrate electroreception. Nature 543 391 PMID: 28264196
Mazzuca et al (2015) Estrogen receptor subtypes mediate distinct microvascular dilation and reduction in [Ca2+]I in mesenteric microvessels of female rat. J Pharmacol Exp Ther 352 291 PMID: 25472954
Cerignoli et al (2012) High throughput measurement of Ca2+ dynamics for drug risk assessment in human stem cell-derived cardiomyocytes by kinetic image cytometry. J Pharmacol Toxicol Methods 66 246 PMID: 22926323
Yang et al (2012) A critical role for protein tyrosine phosphatase nonreceptor type 5 in determining individual susceptibility to develop stress-related cognitive and morphological changes. J Neurosci 32 7550 PMID: 22649233
Cagalinec et al (2016) Role of Mitochondrial Dynamics in Neuronal Development: Mechanism for Wolfram Syndrome. PLoS Biol 14 e1002511 PMID: 27434582
Armstrong and Drapeau (2013) Calcium channel agonists protect against neuromuscular dysfunction in a genetic model of TDP-43 mutation in ALS. EMBO J 33 1741 PMID: 23345247
Fransen et al (2015) Dissecting out the complex Ca2+-mediated phenylephrine-induced contractions of mouse aortic segments. Circ Heart Fail 10 e0121634 PMID: 25803863
Lee et al (2013) TRPM2 channels are required for NMDA-induced burst firing and contribute to H(2)O(2)-dependent modulation in substantia nigra pars reticulata GABAergic neurons. J Neurosci 33 1157 PMID: 23325252
Tian et al (2010) MEF-2 regulates activity-dependent spine loss in striatopallidal medium spiny neurons. Mol Cell Neurosci 44 94 PMID: 20197093
Ets (2016) Sustained Contraction in Vascular Smooth Muscle by Activation of L-type Ca2+ Channels Does Not Involve Ca2+ Sensitization or Caldesmon. Front Pharmacol 7 516 PMID: 28082901
Sharma et al (2016) Suppression of protective responses upon activation of L-type voltage gated calcium channel in macrophages during mycobacterium bovis BCG infection PLoS One 11 e0163845 PMID: 27723836
Saliba et al (2012) Activity-dependent phosphorylation of GABAA receptors regulates receptor insertion and tonic current. PLoS One 31 2937 PMID: 22531784
McKeithan et al (2017) An Automated Platform for Assessment of Congenital and Drug-Induced Arrhythmia with hiPSC-Derived Cardiomyocytes. Front Physiol 8 766 PMID: 29075196
Do you know of a great paper that uses (±)-Bay K 8644 from Tocris? Please let us know.
Reviews for (±)-Bay K 8644
Average Rating: 5 (Based on 1 Review.)
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The pharmacological inhibitors for electrophysiology assay.
By
Anonymous on 02/28/2020
Assay Type: In Vitro
Species: Other
The following concentrations we were used:1 μM Bay K, 10 μM nifedipine, 10 μM nimodipine, 300 nM omega -agatoxin, 1 μM omega -conotoxin, 5 μM mibefradil, 1 μM tetrodotoxin, 1 μM charybdotoxin, 100 nM iberiotoxin, 10 μM NS11021.
