2. Membrane Transporter/Ion Channel
  3. Na+/Ca2+ Exchanger
  4. SEA0400

SEA0400 is a novel and selective inhibitor of the Na+-Ca2+ exchanger (NCX), inhibiting Na+-dependent Ca2+ uptake in cultured neurons, astrocytes, and microglia with IC50s of from 5 to 33 nM.

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

SEA0400 Chemical Structure

SEA0400 Chemical Structure

CAS No. : 223104-29-8

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Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
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10 mM * 1 mL in DMSO USD 87 In-stock
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Customer Review

Based on 18 publication(s) in Google Scholar

SEA0400 Related Antibodies

Top Publications Citing Use of Products

    SEA0400 purchased from MedChemExpress. Usage Cited in: Cell Signal. 2017 May 20;37:12-30.  [Abstract]

    HUVECs are incubated with the indicated concentrations of a second reverse-mode NCX inhibitor, SEA0400, for 30 min prior to stimulation with OAG (100 μM) for 5 min. ERK1/2 activation is assessed by Western blot.

    • Biological Activity

    • Protocol

    • Purity & Documentation

    • References

    • Customer Review

    Description

    SEA0400 is a novel and selective inhibitor of the Na+-Ca2+ exchanger (NCX), inhibiting Na+-dependent Ca2+ uptake in cultured neurons, astrocytes, and microglia with IC50s of from 5 to 33 nM.

    IC50 & Target

    IC50: 5-33 nM (NCX)

    In Vitro

    SEA0400 inhibits Na+-dependent 45Ca2+ uptake in cultured neurons, astrocytes, and microglia. IC50 values of SEA0400 are 33 nM (neurons), 5.0 nM (astrocytes), and 8.3 nM (microglia)[1]. SEA0400 prevents sodium nitroprusside (SNP) to increase ERK and p38 MAPK phosphorylation, and production of reactive oxygen species (ROS) in an extracellular Ca2+-dependent manner[2].

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

    SEA0400 Related Antibodies
    In Vivo

    SEA0400 (3 mg/kg + 3 mg/kg/h for 2 h, i.v.) attenuates the infarct volume in the cerebral cortex and striatum, does not affect the mean the regional cortical blood flow in anesthetized rats[1]. SEA0400 protects against the dopaminergic neurotoxicity (determined by dopamine levels in the midbrain and striatum, tyrosine hydroxylase immunoreactivity in the substantia nigra and striatum, striatal dopamine release, and motor deficits) in MPTP-treated C57BL/6J mice[3].

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

    371.38

    Formula

    C21H19F2NO3
    CAS No.
    Appearance

    Solid

    Color

    White to khaki

    SMILES

    NC1=CC(OCC)=CC=C1OC2=CC=C(OCC3=CC(F)=CC=C3F)C=C2
    Shipping

    Room temperature in continental US; may vary elsewhere.
    Storage
    Powder -20°C 3 years
    4°C 2 years
    In solvent -80°C 2 years
    -20°C 1 year
    Solvent & Solubility
    In Vitro: 

    DMSO : ≥ 32 mg/mL (86.17 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

    *"≥" means soluble, but saturation unknown.

    Preparing
    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 2.6927 mL 13.4633 mL 26.9266 mL
    5 mM 0.5385 mL 2.6927 mL 5.3853 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, 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.

    • Molarity Calculator

    • Dilution Calculator

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

    Mass
    =
    Concentration
    ×
    Volume
    ×
    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:

    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.

    • Protocol 1

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

      Solubility: 2.5 mg/mL (6.73 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 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.
    • Protocol 2

      Add each solvent one by one:  10% DMSO    90% Corn Oil

      Solubility: ≥ 2.5 mg/mL (6.73 mM); Clear solution

      This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

      Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL Corn oil, and mix evenly.

    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.
    Please enter your animal formula composition:
    %
    DMSO +
    % 
    +
    %
    Tween-80 +
    %
    Saline
    Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
    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).
    Calculation results:
    Working solution concentration: mg/mL
    Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
    The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
    Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
     If the continuous dosing period exceeds half a month, please choose this protocol carefully.
    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.
    Purity & Documentation

    Purity: 99.96%

    COA (251 KB) LCMS (113 KB)

    Handling Instructions (2659 KB)
    References
    Kinase Assay
    [1]

    Na+-Ca2+ exchange activity is determined by assaying Na+-dependent 45Ca2+ uptake as reported previously. Briefly, the cells are preincubated in Hanks' balanced saline solution (HBSS) for 20 min, and the medium is switched to HBSS containing 45Ca2+ and incubated for 5 min. To increase intracellular Na+ concentration, 1 mM ouabain plus 20 μM monensin (for astrocytes and microglia) and 10 μM monensin (for neurons) are used. Monensin is added simultaneously with the isotope. Ouabain is added 5 min before monensin in astrocytes and microglia. SEA0400 and KB-R7943 are added 5 min before monensin and present during 45Ca2+ uptake reaction.

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

    Cells, plated in 96-well plastic tissue culture plates, are incubated at 37°C for 30 min in normal or Ca2+-free HBSS containing 10 μM H2DCF-DA and 0.25 μg/mL Cremophor EL, and then rinsed twice with normal HBSS to remove excess dye. The cells are reperfused in normal HBSS for 1 h, and the conversion of H2DCF-DA to its fluorescent product dichlorofluorescein by ROS, presumably H2O2 and hydroxyl radical, is determined with excitation at 485 nm and emission at 535 nm using a Wallac Multilabel counter. ROS production is expressed as a percentage of control cells. The linearity and sensitivity of ROS assay are confirmed using H2O2 prior to the experiment. SEA0400 at the indicated concentrations is added 10 min before Ca2+ reperfusion and present until assay. 

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

    Male Sprague-Dawley rats, weighing 289 to 325 g, are anesthetized with 1 to 2% halothane. A catheter is inserted into the femoral artery and connected to a pressure transducer to record blood pressure. Regional cortical blood flow is measured by a laser Doppler flowmeter, with probe placement at 2 mm posterior and 6 mm lateral to the bregma. SEA0400 or its vehicle with an equivalent volume is i.v. injected at 3 mg/kg and then infused at 3 mg/kg/h for 2 h under normal conditions without MCA occlusion.

    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, 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 2.6927 mL 13.4633 mL 26.9266 mL 67.3165 mL
    5 mM 0.5385 mL 2.6927 mL 5.3853 mL 13.4633 mL
    10 mM 0.2693 mL 1.3463 mL 2.6927 mL 6.7316 mL
    15 mM 0.1795 mL 0.8976 mL 1.7951 mL 4.4878 mL
    20 mM 0.1346 mL 0.6732 mL 1.3463 mL 3.3658 mL
    25 mM 0.1077 mL 0.5385 mL 1.0771 mL 2.6927 mL
    30 mM 0.0898 mL 0.4488 mL 0.8976 mL 2.2439 mL
    40 mM 0.0673 mL 0.3366 mL 0.6732 mL 1.6829 mL
    50 mM 0.0539 mL 0.2693 mL 0.5385 mL 1.3463 mL
    60 mM 0.0449 mL 0.2244 mL 0.4488 mL 1.1219 mL
    80 mM 0.0337 mL 0.1683 mL 0.3366 mL 0.8415 mL
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    SEA0400 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:

    SEA0400223104-29-8SEA 0400SEA-0400Na+/Ca2+ ExchangerInhibitorinhibitorinhibit

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