2. Protein Tyrosine Kinase/RTK
  3. VEGFR c-Met/HGFR
  4. Pamufetinib

Pamufetinib  (Synonyms: TAS-115)

Cat. No.: HY-12423 Purity: 98.28%
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Pamufetinib (TAS-115) is a potent VEGFR and hepatocyte growth factor receptor (c-Met/HGFR)-targeted kinase inhibitor with IC50s of 30 and 32 nM for rVEGFR2 and rMET, respectively.

For research use only. We do not sell to patients.

Pamufetinib Chemical Structure

Pamufetinib Chemical Structure

CAS No. : 1190836-34-0

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Based on 1 publication(s) in Google Scholar

Other Forms of Pamufetinib:

Pamufetinib Related Antibodies

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VEGFR1/Flt-1 VEGFR2/KDR/Flk-1 VEGFR3/Flt-4

  • Biological Activity

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  • Purity & Documentation

  • References

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Description

Pamufetinib (TAS-115) is a potent VEGFR and hepatocyte growth factor receptor (c-Met/HGFR)-targeted kinase inhibitor with IC50s of 30 and 32 nM for rVEGFR2 and rMET, respectively.

IC50 & Target[1]

VEGFR2

30 nM (IC50)

c-Met

32 nM (IC50)

Cellular Effect
Cell Line Type Value Description References
HUVEC GI50
> 10 μM
Compound: TAS-115
Cytotoxicity against HUVEC assessed as inhibition of VEGF-independent growth after 72 hrs by CellTiter-Glo method
Cytotoxicity against HUVEC assessed as inhibition of VEGF-independent growth after 72 hrs by CellTiter-Glo method
[PMID: 26717201]
In Vitro

Pamufetinib is ATP antagonism with inhibition constant (Ki) values against rVEGFR2 and rMET of 12 and 39 nM, respectively. Pamufetinib inhibits the kinase activity of both VEGFR2 and MET and their signal-dependent cell growth as strongly as other known VEGFR or MET inhibitors. Pamufetinib induces less damage in various normal cells than do other VEGFR inhibitors[1]. Pamufetinib does not affect the growth of PC-9 or HCC827 cells at concentrations less than 10 μM; however, the combined use of Pamufetinib with erlotinib reverses HGF-induced resistance in the cell lines in a concentration-dependent manner. Pamufetinib inhibits VEGF production by cancer cells and endothelial proliferation[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Pamufetinib Related Antibodies
In Vivo

Pamufetinib (50 mg/kg/d) completely prevents tumor growth during the treatment period. Pamufetinib (200 mg/kg/d) induces a 48% regression from the initial tumor volume in MET-amplified human cancer transplanted models. The estimated 50% effective dose (ED50) of Pamufetinib in this model is 8 mg/kg/d. Pamufetinib significantly prolongs survival of these mice when administered at doses of 50 or 200 mg/kg/d[1]. Pamufetinib inhibits angiogenesis in PC-9/HGF tumors in vivo. Moreover, the doublet erlotinib and Pamufetinib successfully inhibit PC-9/HGF tumor growth and delay tumor regrowth associated with sustained tumor vasculature inhibition even after cessation of the treatment[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Clinical Trial
Molecular Weight

518.56

Formula

C27H23FN4O4S
CAS No.
Appearance

Solid

Color

Off-white to light yellow

SMILES

O=C(C1=C(OC)C=C2N=CC=C(OC3=CC=C(NC(NC(CC4=CC=CC=C4)=O)=S)C=C3F)C2=C1)NC
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 25 mg/mL (48.21 mM; ultrasonic and warming and heat to 60°C; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.9284 mL 9.6421 mL 19.2842 mL
5 mM 0.3857 mL 1.9284 mL 3.8568 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
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Concentration
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Volume
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Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
Purity & Documentation
References
Kinase Assay
[1]

Enzyme inhibition studies are performed using a mobility shift assay. Briefly, 0.3 μg/mL of recombinant MET (rMET, N-terminal glutathione S-transferase (GST) Tag) and 1.5 μM of FL-Peptide 2 or 2 μg/mL of recombinant VEGFR2 (rVEGFR2, amino acid 790-end, N-terminal 6His Tagged) and 1.5 μM of FL-Peptide 22 are added to a 25 μL mixture containing 1/2 the Michaelis constant (Km) level of ATP, 100 mM of HEPES (pH 7.2), 0.003% (w/v) Brij35, 0.04% (v/v) Tween 20, 10 mM of MgCl2, 1 mM of dithiothreitol, a Complete Mini EDTA-free Protease Inhibitor Cocktail Tablet, and a PhosSTOP Phosphatase Inhibitor Cocktail Tablet, with the addition of 0.05% (w/v) CHAPSO only in the case of rVEGFR2. The reaction mixture is incubated for 90 minutes at 28°C and is stopped by the addition of 15 mM of EDTA. Phosphorylated peptide is calculated using a LabChip EZ Reader, Version 2.1.82.0 (UCC Version: 1.96, CCD Version: 102). On the basis of the amount of phosphorylated peptide formed in the control well and the drug-treated well, the 50% inhibitory concentration (IC50) is calculated using a logistic regression analysis. A total of 192 kinase panel assays is performed using the ProfilerPro Kit 1-8 and is analyzed using a mobility shift assay.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Cell Assay
[2]

Cell growth is measured using the MTT dye reduction method. Tumor cells are plated into 96-well plates at a density of 2×103 cells/100 mL RPMI-1640 medium with 10% FBS per well. After 24-hour incubation, various reagents are added to each well, and the cells incubated for a further 72 hours, followed by the addition of 50 μL of MTT solution (2 mg/mL) to each well and incubation for 2 hours. The media containing MTT solution is removed, and the dark blue crystals are dissolved by adding 100 mL of dimethyl sulfoxide. The absorbance of each well is measured with a microplate reader at test and reference wavelengths of 550 and 630 nm, respectively. The percentage of growth is shown relative to untreated controls. Each reagent concentration is tested at least in triplicate during each experiment, and each experiment is conducted at least three times.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[1]

A SC-9 fragment is implanted subcutaneously into the right abdomen of each mouse via a trocar. Suspensions of MKN45 cells are prepared and are implanted subcutaneously into the right abdomen of each nude mouse. The tumor volume (TV, mm3) is calculated. The TAS-115 dose levels are set at 12.5, 50, and 200 mg/kg/d. The dose level for sunitinib is set at 40 mg/kg/d; this dose is equivalent to the maximum tolerated dose (MTD). Oral drug treatment is continued for 14 or 42 consecutive days for the chronic dosing in the SC-9 xenograft model. During the treatment period, TV and body weight are measured twice per week.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 1.9284 mL 9.6421 mL 19.2842 mL 48.2104 mL
5 mM 0.3857 mL 1.9284 mL 3.8568 mL 9.6421 mL
10 mM 0.1928 mL 0.9642 mL 1.9284 mL 4.8210 mL
15 mM 0.1286 mL 0.6428 mL 1.2856 mL 3.2140 mL
20 mM 0.0964 mL 0.4821 mL 0.9642 mL 2.4105 mL
25 mM 0.0771 mL 0.3857 mL 0.7714 mL 1.9284 mL
30 mM 0.0643 mL 0.3214 mL 0.6428 mL 1.6070 mL
40 mM 0.0482 mL 0.2411 mL 0.4821 mL 1.2053 mL
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Pamufetinib Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Pamufetinib1190836-34-0TAS-115TAS115TAS 115VEGFRc-Met/HGFRVascular endothelial growth factor receptorInhibitorinhibitorinhibit

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