Phorbol 12,13-dibutyrate
Biological Activity
Protein kinase C activator. Induces contraction of vascular smooth muscle and inhibits MLC phosphatase (MLCP) in vascular smooth muscle. Activity does not alter intracellular Ca2+ concentration. Also inhibits the activity of Na+,K+ ATPase in OK cells.
Technical Data
| M. Wt | 504.61 |
| Formula | C28H40O8 |
| Storage | Store at -20°C |
| Purity | ≥98% (HPLC) |
| CAS Number | 37558-16-0 |
| PubChem ID | 37783 |
| InChI Key | BQJRUJTZSGYBEZ-YVQNUNKESA-N |
| Smiles | OCC1=C[C@]([C@@](C(C)4C)([H])[C@@]4(OC(CCC)=O)[C@H](OC(CCC)=O)[C@H]3C)([H])[C@@]3(O)[C@@](C=C(C)C2=O)([H])[C@]2(O)C1 |
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
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| DMSO | 25.23 | 50 |
Preparing Stock Solutions
The following data is based on the product molecular weight 504.61. 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 |
|---|---|---|---|
| 0.5 mM | 3.96 mL | 19.82 mL | 39.63 mL |
| 2.5 mM | 0.79 mL | 3.96 mL | 7.93 mL |
| 5 mM | 0.4 mL | 1.98 mL | 3.96 mL |
| 25 mM | 0.08 mL | 0.4 mL | 0.79 mL |
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References
References are publications that support the biological activity of the product.
Middleton et al (1993) Heterogeneity of protein kinase C-mediated rapid regulation of Na/K-ATPase in kidney epithelial cells. J.Biol.Chem. 268 15958 PMID: 8393456
Hori et al (1999) Presynaptic mechanism for phorphol ester-induced synaptic potentiation. J.Neurosci. 19 7262 PMID: 10460232
Sakai et al (2010) Augmented PDBu-mediated contaction of bronchial smooth muscle of mice with antigen-induced airway hyperresponsiveness. J.Smooth Muscle Res. 46 259 PMID: 21187674
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Keywords: Phorbol 12,13-dibutyrate, Phorbol 12,13-dibutyrate supplier, PDBu, protein, kinases, c, pkc, activators, phorbol, esters, Protein, Kinase, C, Enzyme, Substrates, /, Activators, 4153, Tocris Bioscience
2 Citations for Phorbol 12,13-dibutyrate
Citations are publications that use Tocris products. Selected citations for Phorbol 12,13-dibutyrate include:
Nostro et al (2015) Efficient generation of NKX6-1+ pancreatic progenitors from multiple human pluripotent stem cell lines. J Cell Biol 4 591 PMID: 25843049
Sánchez et al (2014) Endothelin-1 contributes to endothelial dysfunction and enhanced vasoconstriction through augmented superoxide production in penile arteries from insulin-resistant obese rats: role of ET(A) and ET(B) receptors. Br J Pharmacol 171 5682 PMID: 25091502
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Guinea pig ventricular cardiomyocytes were patched and superfused with Saxagliptin (2 µM, 5 min) followed by Phorbol 12,13-dibutyrate (PDB, 10 nM, 5 min) and action potentials were stimulated at a 1 Hz frequency. Action potential duration (APD) were analysed at 20%, 50% and 90% repolarization (shown in Image). PDB reduced saxagliptin-induced APD prolongation.
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