TEPP 46

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Description: Potent and selective pyruvate kinase M2 (PKM2) allosteric activator
Chemical Name: 6-[(3-Aminophenyl)methyl]-4,6-dihydro-4-methyl-2-(methylsulfinyl)-5H-thieno[2',3':4,5]pyrrolo[2,3-d]pyridazin-5-one
Purity: ≥98% (HPLC)
Datasheet
Citations
Reviews

Biological Activity for TEPP 46

TEPP 46 is a potent and selective allosteric activator of pyruvate kinase M2 (PKM2) (EC50 = 92 nM); it exhibits no effect on PKM1. TEPP 46 binds at the dimer-dimer interface of the PKM2 homotetramer, blocks its translocation into the nuclues and promotes a constitutively PKM2 active state. TEPP 46 impairs H1299 lung cancer cell proliferation under hypoxic conditions but not under normoxia in vitro. It inhibits growth of H1299 tumor xenografts in mice. TEPP 46 can reverse fructose-derived F1P inhibition of PKM2 and prevent fructose promoted hypoxia adaptation of intestinal cells. TEPP 46 reduces activation, proliferation, and cytokine production of both T helper 17 (Th17) and Th1 cells in vitro. It also inhibits experimental autoimmune encephalomyelitis (EAE) in vivo. Orally bioavailable.

Licensing Information

Sold under licence from the National Institute of Health.

Technical Data for TEPP 46

M. Wt 372.47
Formula C17H16N4O2S2
Storage Store at -20°C
Purity ≥98% (HPLC)
CAS Number 1221186-53-3
PubChem ID 44246499
InChI Key ZWKJWVSEDISQIS-UHFFFAOYSA-N
Smiles O=C1C2=C(C=NN1CC=3C=CC=C(N)C3)C=4SC(=CC4N2C)S(=O)C

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 TEPP 46

Solvent Max Conc. mg/mL Max Conc. mM
Solubility
DMSO 37.25 100

Preparing Stock Solutions for TEPP 46

The following data is based on the product molecular weight 372.47. 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.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 2.68 mL 13.42 mL 26.85 mL
5 mM 0.54 mL 2.68 mL 5.37 mL
10 mM 0.27 mL 1.34 mL 2.68 mL
50 mM 0.05 mL 0.27 mL 0.54 mL

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References for TEPP 46

References are publications that support the biological activity of the product.

Anastasiou et al (2012) Pyruvate kinase M2 activators promote tetramer formation and suppress tumorigenesis. Nat.Chem.Biol. 8 839 PMID: 22922757

Angiari et al (2020) Pharmacological activation of pyruvate kinase M2 inhibits CD4+ T Cell pathogenicity and suppresses autoimmunity. Cell Metab. 31 391 PMID: 31761564

Taylor et al (2021) Dietary fructose improves intestinal cell survival and nutrient absorption. Nature 597 263 PMID: 34408323


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Keywords: TEPP 46, TEPP 46 supplier, TEPP46, potent, selective, allosteric, activator, activates, pyruvate, kinase, M2, PKM2, hypoxia, Other, Kinases, 7809, Tocris Bioscience

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