1. Metabolic Enzyme/Protease
  2. FABP
  3. HTS01037

HTS01037 

Cat. No.: HY-101503 Purity: 99.01%
Handling Instructions

HTS01037 is an inhibitor of fatty acid binding; and a competitive antagonist of protein-protein interactions mediated by AFABP/aP2 with a Ki of 0.67 μM.

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

HTS01037 Chemical Structure

HTS01037 Chemical Structure

CAS No. : 682741-29-3

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10 mM * 1 mL in DMSO USD 92 In-stock
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100 mg USD 984 In-stock
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Based on 1 publication(s) in Google Scholar

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Description

HTS01037 is an inhibitor of fatty acid binding; and a competitive antagonist of protein-protein interactions mediated by AFABP/aP2 with a Ki of 0.67 μM.

IC50 & Target

IC50: 0.67 μM (AFABP/aP2)[1]

In Vitro

HTS01037 functions as a high affinity ligand of AFABP/aP2 with an apparent Ki of 0.67 μM. HTS01037 is somewhat selective for AFABP/aP2, but at higher concentrations is a pan-specific FABP inhibitor. HTS01037 inhibits lipolysis in 3T3-L1 adipocytes and reduces LPS-stimulated inflammation in cultured macrophages. HTS01037 acts as an antagonist of the protein-protein interaction between AFABP/aP2 and hormone sensitive lipase but does not activate PPARγ in macrophage or CV-1 cells[1]. Treatment of microglial cells with HTS01037 increases expression of Ucp2 and arginase in the presence or absence of palmitic acid. Moreover, cells exposed to HTS01037 exhibits attenuated expression of inducible nitric oxide synthase (iNOS) compared to palmitic acid alone indicating reduced NFκB signaling[2]. Treatment of macrophages with HTS01037results in a marked decrease in both basal and fatty acid-stimulated LTC4 secretion but no change in 5-HETE production or 5-lipoxygenase expression[3].

Molecular Weight

337.37

Formula

C₁₄H₁₁NO₅S₂

CAS No.

682741-29-3

SMILES

O=C(C1=C(NC(/C=C/C(O)=O)=O)C=C(C2=CC=CS2)S1)OC

Shipping

Room temperature in continental US; may vary elsewhere.

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 : ≥ 150 mg/mL (444.62 mM)

H2O : < 0.1 mg/mL (insoluble)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.9641 mL 14.8205 mL 29.6410 mL
5 mM 0.5928 mL 2.9641 mL 5.9282 mL
10 mM 0.2964 mL 1.4821 mL 2.9641 mL
*Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: 2.5 mg/mL (7.41 mM); Suspended solution; Need ultrasonic

  • 2.

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: 2.5 mg/mL (7.41 mM); Suspended solution; Need ultrasonic

  • 3.

    Add each solvent one by one:  10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (7.41 mM); Clear solution

*All of the co-solvents are provided by MCE.
References
Kinase Assay
[1]

To analyze the ligand (HTS01037) binding properties of the FABPs, the fluorescent ligand 1-anilinonapthalene 8-sulfonic acid (1,8-ANS) is utilized. 1,8 ANS is dissolved in absolute ethanol and diluted with 25 mM Tris-HCl (pH 7.4) to a final concentration of 5 μM (final EtOH concentration of 0.05%). Protein is titrated into 500 μL 1,8-ANS and the fluorescence enhancement is measured using a Perkin Elmer 650-10S fluorescence spectrophotometer with 4 nm excitation and emission slit widths. Quantitative analysis of ligand binding is evaluated using non-linear regression using PRISM software[1].

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

Cell Assay
[2]

Cells are pretreated with HTS01037 or vehicle for 3 h and then challenged with or without palmitic acid for 1 h. Cells are then exposed to the ROS Deep Red Dye for 1 h in 5% CO2 at 37°C. Intracellular superoxide and hydroxyl radicals react with the deep red dye, producing a fluorescent signal which is measured using a spectrophotometer at 650Ex/675Em[2].

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

References
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Keywords:

HTS01037HTS 01037HTS-01037FABPFatty acid-binding proteinInhibitorinhibitorinhibit

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HTS01037
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