PRN1371
Based on 1 publication(s) in Google Scholar
PRN1371 is a highly selective and potent FGFR1-4 and CSF1R inhibitor with IC50s of 0.6, 1.3, 4.1, 19.3 and 8.1 nM for FGFR1, FGFR2, FGFR3, FGFR4 and CSF1R, respectively.
For research use only. We do not sell to patients.
- Purity: 99.78%
- CAS No.: 1802929-43-6
- Formula: C26H30Cl2N6O4
- Molecular Weight:561.46
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Protocol
- Purity & Documentation
- References
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) PRN1371
More
Biological Activity
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FGFR1 0.6 nM (IC50) |
FGFR2 1.3 nM (IC50) |
FGFR3 4.1 nM (IC50) |
FGFR4 19.3 nM (IC50) |
CSF1R 8.1 nM (IC50) |
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| SNU-16 | IC50 |
2.6 nM
Compound: 34
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Antiproliferative activity against human SNU16 cells over-expressing FGFR2 after 72 hrs by Presto-Blue assay
Antiproliferative activity against human SNU16 cells over-expressing FGFR2 after 72 hrs by Presto-Blue assay
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[PMID: 28665128] |
PRN1371 presents a unique profile of high biochemical and cellular potency (FGFR1 IC50=0.6 nM, SNU16 IC50=2.6 nM), prolonged target engagement (FGFR1 occupancy 24 h=96%), < 30% hERG inhibition at 1 μM, and good predicted ADME stability with BME reactivity Kd>100 μM. Broader kinome-wide biochemical profiling of PRN1371 against 251 kinases identifies only FGFR1 4 and CSF1R as being potently inhibited[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
| NCT Number | Sponsor | Condition | Start Date |
Phase
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|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
Chemical Information
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CAS No. 1802929-43-6
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Appearance Solid
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Molecular Weight 561.46
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Formula C26H30Cl2N6O4
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Color White to off-white
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SMILES
O=C1C(C2=C(Cl)C(OC)=CC(OC)=C2Cl)=CC3=CN=C(NC)N=C3N1CCCN4CCN(C(C=C)=O)CC4
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 2 years -20°C 1 year
Publications (1)
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Journal Impact Factor
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Most Recent
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Proc Natl Acad Sci U S A
Endocytosis triggers V-ATPase-SYK-mediated priming of cGAS activation and innate immune response. [Abstract]2022 Oct 25;119(43):e2207280119. PMID: 36252040
Solvent & Solubility
DMSO : 25 mg/mL (44.53 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (4.45 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: 2.5 mg/mL (4.45 mM); Suspended solution; Need ultrasonic
This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Protocol
Enzyme inhibition is determined using a Caliper capillary electrophoresis system that separates phosphorylated and nonphosphorylated peptides on the basis of charge. Different concentrations of PRN1371 are first preincubated with enzyme for 15 min. The reaction is initiated with addition of peptide substrate, ATP, and Mg2+ and incubated at 25°C for 3 h. To stop the reaction, the mixture is quenched with EDTA. The buffer is 100 mM HEPES, pH 7.5, 0.1% BSA, 0.01% Triton X-100, 1 mM DTT, 10 mM MgCl2, 10 mM sodium orthovanadate, 10 μM β-glycerophosphate, and 1% DMSO. The ATP concentration of the reaction is at the predetermined value of the Km for ATP[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
SNU16 cells are first seeded into 384- well plates and PRN1371 added such that the highest final compound concentration is 5 μM. Cells are incubated with PRN1371 for 72 h at 37°C. To detect viability, the Presto-Blue cell viability reagent is added. Plates are read using an Analyst HT with a fluorescent mode employing 530 nm excitation and 590 nm emission[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Mice: PRN1371 is evaluated in pharmacodynamics and efficacy studies using a SNU16 gastric cancer xenograft mouse model with high overexpression of FGFR2. In nude mice implanted with subcutaneous SNU16 tumors, pFGFR2 levels in the tumor are measured via Western blotting at 8 h following a 10 mg/kg oral dose. Low levels of pFGFR2 confirmed the ability of compound 34 to block FGFR2 activity in tumor tissue. Efficacy is determined by measuring tumor growth inhibition in the same SNU16 xenograft model[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Purity & Documentation
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Data Sheet (282 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Portuguese - PT (393 KB)
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Handling Instructions (2659 KB)
References
[1]. Brameld KA, et al. Discovery of the Irreversible Covalent FGFR Inhibitor 8-(3-(4-Acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one (PRN1371) for the Treatment of Solid Tumors. J Med Chem. 2017 Aug 10;60(15):6516-6527. [Content Brief]
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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 1.7811 mL | 8.9054 mL | 17.8107 mL | 44.5268 mL |
| 5 mM | 0.3562 mL | 1.7811 mL | 3.5621 mL | 8.9054 mL | |
| 10 mM | 0.1781 mL | 0.8905 mL | 1.7811 mL | 4.4527 mL | |
| 15 mM | 0.1187 mL | 0.5937 mL | 1.1874 mL | 2.9685 mL | |
| 20 mM | 0.0891 mL | 0.4453 mL | 0.8905 mL | 2.2263 mL | |
| 25 mM | 0.0712 mL | 0.3562 mL | 0.7124 mL | 1.7811 mL | |
| 30 mM | 0.0594 mL | 0.2968 mL | 0.5937 mL | 1.4842 mL | |
| 40 mM | 0.0445 mL | 0.2226 mL | 0.4453 mL | 1.1132 mL |
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