2. Apoptosis
  3. Caspase
  4. Ac-YVAD-cmk

Ac-YVAD-cmk  (Synonyms: Caspase-1 Inhibitor II)

Cat. No.: HY-16990 Purity: 98.94%
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Ac-YVAD-cmk (Caspase-1 Inhibitor II) is a selective caspase-1 (IL-1beta converting enzyme, ICE)) inhibitor with neuroprotective and anti-inflammatory effects. Ac-YVAD-cmk effectively suppresses the expression of IL-1β and IL-18. Ac-YVAD-cmk inhibits pyroptosis in many diseases.

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

Ac-YVAD-cmk Chemical Structure

Ac-YVAD-cmk Chemical Structure

CAS No. : 178603-78-6

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1 mg USD 80 In-stock
5 mg USD 280 In-stock
10 mg USD 450 In-stock
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Customer Review

Based on 9 publication(s) in Google Scholar

Ac-YVAD-cmk Related Antibodies

Top Publications Citing Use of Products

    Ac-YVAD-cmk purchased from MedChemExpress. Usage Cited in: Chem Res Toxicol. 2018 Dec 17;31(12):1418-1425.  [Abstract]

    HUVEC cells are stimulated with TCBQ for 6 h, pre-treated with either 10 μM Z-VADFMK (pan-caspase inhibitor) or 10 μM AC-YVAD-CHO (caspase 1/4/5 inhibitor) for 1 h. Then caspase 1/4/5 and GSDMD expressions are detected by Western blotting analysis.

    View All Caspase Isoform Specific Products:

    View All Isoforms
    Caspase 1 Caspase 2 Caspase 3 Caspase 4 Caspase 5 Caspase 6 Caspase 7 Caspase 8 Caspase 9 Caspase 10 Caspase 12 Caspase Caspase 11 Caspase-13

    • Biological Activity

    • Purity & Documentation

    • References

    • Customer Review

    Description

    Ac-YVAD-cmk (Caspase-1 Inhibitor II) is a selective caspase-1 (IL-1beta converting enzyme, ICE)) inhibitor with neuroprotective and anti-inflammatory effects. Ac-YVAD-cmk effectively suppresses the expression of IL-1β and IL-18. Ac-YVAD-cmk inhibits pyroptosis in many diseases[1][2].

    IC50 & Target[1]

    Caspase-1

     

    In Vitro

    Ac-YVAD-cmk (40 μM or 80 μM) reduces the expression of IL-1β and IL-18 in activated microglia in vitro[2].

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

    Ac-YVAD-cmk Related Antibodies
    In Vivo

    Ac-YVAD-cmk treatment (1 μg/rats; SD rat; injected into the left lateral ventricle) significantly decreases the protein levels of caspase-1 (p20), mature IL-1β/IL-18 compared with the ICH group[2].
    Ac-YVAD-cmk (rats with ac-YVAD-cmk at a dose of 12.5 μmol/kg) significantly reduces mortality from 83 to 33% using Log Rank analysis[3].

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

    540.99

    Formula

    C24H33ClN4O8
    CAS No.
    Appearance

    Solid

    Color

    White to off-white

    SMILES

    OC1=CC=C(C[C@H](NC(C)=O)C(N[C@H](C(N[C@@H](C)C(N[C@@H](CC(O)=O)C(CCl)=O)=O)=O)C(C)C)=O)C=C1
    Shipping

    Room temperature in continental US; may vary elsewhere.
    Storage

    -20°C, sealed storage, away from moisture and light

    *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)

    Solvent & Solubility
    In Vitro: 

    DMSO : 100 mg/mL (184.85 mM; Need ultrasonic; 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 1.8485 mL 9.2423 mL 18.4846 mL
    5 mM 0.3697 mL 1.8485 mL 3.6969 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 (sealed storage, away from moisture and light). 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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    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

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    Volume (start)

    V1

    =
    Concentration (final)

    C2

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    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: ≥ 2.08 mg/mL (3.84 mM); Clear solution

      This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

      Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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: ≥ 2.08 mg/mL (3.84 mM); Clear solution

      This protocol yields a clear solution of ≥ 2.08 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 (20.8 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).

    *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)

    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: 98.94%

    COA (251 KB) HNMR (280 KB) RP-HPLC (246 KB) MS (84 KB)

    Handling Instructions (2659 KB)
    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 (sealed storage, away from moisture and light). 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 1.8485 mL 9.2423 mL 18.4846 mL 46.2116 mL
    5 mM 0.3697 mL 1.8485 mL 3.6969 mL 9.2423 mL
    10 mM 0.1848 mL 0.9242 mL 1.8485 mL 4.6212 mL
    15 mM 0.1232 mL 0.6162 mL 1.2323 mL 3.0808 mL
    20 mM 0.0924 mL 0.4621 mL 0.9242 mL 2.3106 mL
    25 mM 0.0739 mL 0.3697 mL 0.7394 mL 1.8485 mL
    30 mM 0.0616 mL 0.3081 mL 0.6162 mL 1.5404 mL
    40 mM 0.0462 mL 0.2311 mL 0.4621 mL 1.1553 mL
    50 mM 0.0370 mL 0.1848 mL 0.3697 mL 0.9242 mL
    60 mM 0.0308 mL 0.1540 mL 0.3081 mL 0.7702 mL
    80 mM 0.0231 mL 0.1155 mL 0.2311 mL 0.5776 mL
    100 mM 0.0185 mL 0.0924 mL 0.1848 mL 0.4621 mL
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    Ac-YVAD-cmk 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:

    Ac-YVAD-cmk178603-78-6Caspase-1 Inhibitor IICaspasecaspase-1IL-1βIL-6IL-18intracerebral hemorrhageinflammatoryInhibitorinhibitorinhibit

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