PF-07208254
Based on 1 Customer Validation
PF-07208254 is a selective, orally active allosteric inhibitor of branched-chain ketoacid dehydrogenase kinase (BDK) (IC50=110 nM, Ki=54 nM, KD=84 nM). PF-07208254 inhibits BDK-mediated BCKDH phosphorylation and enhances the catabolism of branched-chain amino acids (BCAAs) and branched-chain keto acids (BCKAs) by binding to the allosteric pocket of BDK, reducing BDK binding to BCKDH-E2 and promoting BDK degradation. PF-07208254 inhibits BDK activity in human skeletal muscle cells (IC50=540 nM) and has activity to improve cardiac function and metabolism. PF-07208254 can be used in the study of cardiometabolic diseases (e.g., heart failure, type 2 diabetes).
For research use only. We do not sell to patients.
- Purity : 98.46%
- CAS No.: 2573122-40-2
- Formula: C7H2ClFO2S2
- Molecular Weight:236.67
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Protocols
- Purity & Documentation
- References
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Help & FAQs
Biological Activity
Description
In Vitro
PF-07208254 inhibits BCKDH phosphorylation in human skeletal muscle cells with a cellular IC50 of 540 nM[1].
PF-07208254 (3-30 μM; 48 h) reduces the pBCKDH/BCKDH ratio and BDK protein levels in HEK293 cells in a dose-dependent manner[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Further protocols information, click here.
In Vivo
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:16-week-old male C57BL6/J mice, high-fat diet (HFD)-induced obese model[1]
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Dosage:30 mg/kg, 90 mg/kg
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Administration:Oral gavage, once daily, 8 weeks
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Result:Reduced glucose excursion in oral glucose tolerance test (oGTT) at day 2 and week 2, with significant reduction in AUC; decreased triglyceride content in liver (with a strong trend, p=0.06) and reduced steatosis score; lowered expression of inflammatory genes (Ccl2, Ccr2, Cd68) and fibrotic genes (Col1a1, Col1a2) in liver; decreased fasting insulin levels; caused significant, dose- and time-dependent reductions in BCAA and BCKA levels in plasma and muscle.
Chemical Information
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CAS No. 2573122-40-2
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Appearance Solid
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Molecular Weight 236.67
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Formula C7H2ClFO2S2
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Color White to off-white
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SMILES
FC1=CC(SC(C(O)=O)=C2Cl)=C2S1
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Structure Classification
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Initial Source
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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 6 months -20°C 1 month
Solvent & Solubility
In Vitro:
DMSO : 100 mg/mL (422.53 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, 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.
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.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
In Vivo:
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 (10.56 mM); Clear solution; Need ultrasonic
This protocol yields a clear solution of 2.5 mg/mL.
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.
In Vivo Dissolution Calculator
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.
Protocols
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Kinase activity and phosphorylation assays
Kinase activity assays measure the ability of kinases to transfer phosphate groups from ATP to specific substrates, while phosphorylation assays detect the presence and levels of phosphorylated proteins. Common methods include radiolabeled ATP incorporation (e. g. ,), ADP release detection via bioluminescence (e. g. ,[3]), enzyme-linked immunosorbent assays (ELISA) for phospho-specific epitopes (e. g. ,[6]), and microtiter-based formats for high-throughput screening (e. g. ,[8]). The ADP-Glo assay quantifies kinase activity by measuring ADP produced during phosphorylation using a luciferase-based system. Radiometric assays involve autoradiography or scintillation counting after incorporation of 32P-labeled ATP into substrate proteins. ELISA-based approaches rely on phospho-specific antibodies to detect activated kinases in cell lysates or purified samples.
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Western Blot
Western blotting (WB) is a commonly used experimental method in molecular biology, biochemistry, and immunogenetics for identifying and quantifying target proteins. It combines gel electrophoresis with immunoassay, enabling researchers to analyze protein expression, post-translational modifications, and molecular weight.
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Cell Cytotoxicity Assay
Cytotoxicity assays are usually based on the assessment of cell membrane damage, which can also be indirectly detected by measuring cell viability. Detection methods include MTT assay, CKK-8 assay, LDH assay and ATP assay, etc.
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Research Protocol for Cardiovascular Diseases
Cardiovascular disease can be modeled as maladaptive cardiac remodeling, where ischemic injury or pressure overload activates inflammatory signaling, fibroblast activation, extracellular-matrix deposition, cardiomyocyte hypertrophy, vascular remodeling, and progressive ventricular dysfunction. The TGF-β/SMAD axis is a central profibrotic pathway after myocardial injury and pressure overload, while innate immune and cytokine pathways regulate leukocyte recruitment, scar formation, and adverse remodeling. Key unresolved questions include which inflammatory signals are reparative versus harmful, when fibrosis is protective versus maladaptive, and whether pathway inhibition improves function without weakening necessary infarct healing or compensatory remodeling.
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Protocol for Kinase activity and phosphorylation assays
Kinase activity assays measure transfer of phosphate from ATP to a protein or peptide substrate, generating phosphorylated substrate, ADP, or incorporated radiolabeled phosphate as the readout; phosphorylation assays measure site-specific phosphorylation in cells or tissues as a proxy for kinase-pathway activation, inhibition, or substrate regulation. Phosphorylation can be detected by phospho-specific Western blot, immunoprecipitation kinase assay, phospho-immunofluorescence, phospho-flow cytometry, luminescent ADP detection, radiolabeled ATP incorporation, or reporter-based pathway assays, and these readouts can be applied to cancer cells, primary neurons, mouse tumors, organoids, inflammatory macrophages, ferroptosis studies, and mitophagy studies when the kinase target is biologically relevant.
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Research Protocol for Metabolic Diseases
AMP-activated protein kinase, AMPK, is a conserved cellular energy sensor that responds to reduced cellular energy status and coordinates metabolism by increasing ATP-generating catabolic pathways while suppressing ATP-consuming anabolic processes. In metabolic disease research, the AMPK pathway is experimentally relevant because it regulates hepatic lipid synthesis, fatty acid oxidation, glucose production, skeletal-muscle glucose disposal, mTORC1-linked biosynthesis, autophagy, mitochondrial homeostasis, and whole-body energy balance. The central pathway logic is that energy stress, metformin, exercise-like stimulation, or direct AMPK activators increase AMPKα Thr172 phosphorylation and downstream substrate phosphorylation, including ACC and RAPTOR. Phosphorylation of ACC suppresses lipogenesis and supports fatty acid oxidation, whereas phosphorylation of RAPTOR suppresses mTORC1 signaling and links cellular energy status to growth and protein synthesis control. The pathway is linked
Purity & Documentation
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Data Sheet (276 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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Handling Instructions (2659 KB)
References
[1]. Roth Flach RJ, et al. Small molecule branched-chain ketoacid dehydrogenase kinase (BDK) inhibitors with opposing effects on BDK protein levels. Nat Commun. 2023 Aug 9;14(1):4812. [Content Brief]
[2]. Filipski KJ, et al. Discovery of First Branched-Chain Ketoacid Dehydrogenase Kinase (BDK) Inhibitor Clinical Candidate PF-07328948. J Med Chem. 2025 Feb 13;68(3):2466-2482. [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, 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 |
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| DMSO | 1 mM | 4.2253 mL | 21.1265 mL | 42.2529 mL | 105.6323 mL |
| 5 mM | 0.8451 mL | 4.2253 mL | 8.4506 mL | 21.1265 mL | |
| 10 mM | 0.4225 mL | 2.1126 mL | 4.2253 mL | 10.5632 mL | |
| 15 mM | 0.2817 mL | 1.4084 mL | 2.8169 mL | 7.0422 mL | |
| 20 mM | 0.2113 mL | 1.0563 mL | 2.1126 mL | 5.2816 mL | |
| 25 mM | 0.1690 mL | 0.8451 mL | 1.6901 mL | 4.2253 mL | |
| 30 mM | 0.1408 mL | 0.7042 mL | 1.4084 mL | 3.5211 mL | |
| 40 mM | 0.1056 mL | 0.5282 mL | 1.0563 mL | 2.6408 mL | |
| 50 mM | 0.0845 mL | 0.4225 mL | 0.8451 mL | 2.1126 mL | |
| 60 mM | 0.0704 mL | 0.3521 mL | 0.7042 mL | 1.7605 mL | |
| 80 mM | 0.0528 mL | 0.2641 mL | 0.5282 mL | 1.3204 mL | |
| 100 mM | 0.0423 mL | 0.2113 mL | 0.4225 mL | 1.0563 mL |
PF-07208254 Related Classifications
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