2. Cell Cycle/DNA Damage Metabolic Enzyme/Protease Apoptosis
  3. HSP Apoptosis
  4. Alvespimycin hydrochloride

Alvespimycin hydrochloride  (Synonyms: 17-DMAG hydrochloride; KOS-1022 hydrochloride; BMS 826476)

Cat. No.: HY-12024 Purity: 99.55%
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Alvespimycin hydrochloride (17-DMAG hydrochloride; KOS-1022; BMS 826476) is a potent inhibitor of Hsp90, binding to Hsp90 with EC50 of 62±29 nM.

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

Alvespimycin hydrochloride Chemical Structure

Alvespimycin hydrochloride Chemical Structure

CAS No. : 467214-21-7

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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 73 In-stock
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5 mg USD 42 In-stock
10 mg USD 66 In-stock
25 mg USD 132 In-stock
100 mg USD 330 In-stock
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Customer Review

Based on 16 publication(s) in Google Scholar

Other Forms of Alvespimycin hydrochloride:

Alvespimycin hydrochloride Related Antibodies

Top Publications Citing Use of Products

    Alvespimycin hydrochloride purchased from MedChemExpress. Usage Cited in: Theranostics. 2020 Jul 9;10(18):8415-8429.  [Abstract]

    Western blot analysis of three proteins of interest in astrocytes treated with the Alvespimycin (17DMAG) for 24 h. Alvespimycin treatment increases EAAT2 and Hsp70 levels in a dose-dependent manner.

    Alvespimycin hydrochloride purchased from MedChemExpress. Usage Cited in: Friedrich-Alexander University Erlangen-Nuremberg. 2016 Sep 14.

    pJAK2 and JAK2 expression upon TGFβ stimulation and JAK inhibitors incubation. pJAK2 and JAK2 expression in healthy human fibroblasts after stimulation with TGFβ for 3 days and incubation with TG101209, 17-DMAG or Ruxolitinib.

    View All HSP Isoform Specific Products:

    View All Isoforms
    HSP40 HSP70 HSP90 HSP105 HSF1 HSP HSPA5

    • Biological Activity

    • Protocol

    • Purity & Documentation

    • References

    • Customer Review

    Description

    Alvespimycin hydrochloride (17-DMAG hydrochloride; KOS-1022; BMS 826476) is a potent inhibitor of Hsp90, binding to Hsp90 with EC50 of 62±29 nM.

    IC50 & Target[1]

    HSP90

    62 nM (EC50)

    GRP94

    65 nM (EC50)

    In Vitro

    Alvespimycin hydrochloride (17-DMAG hydrochloride; KOS-1022; BMS 826476) inhibits the growth of the human cancer cell lines SKBR3 and SKOV3, which overexpress Hsp90 client protein Her2, and causes down-regulation of Her2 as well as induction of Hsp70 consistent with Hsp90 inhibition, for Her2 degradation with EC50 of 8±4 nM and 46±24 nM in SKBR3 and SKOV3 cells, respectively; for Hsp70 induction with EC50 of 4±2 nM and 14±7 nM in SKBR3 and SKOV3 cells, respectively[1]. Compared with the vehicle control, 17-DMAG exerts dose-dependent apoptosis (P<0.001 averaged across 24- and 48-hour time points) at concentrations of 50nM to 500nM, which represent pharmacologically attainable doses. Similar to many other agents, 17-DMAG also demonstrates time-dependent apoptosis (P <0.001, averaged across all doses) in chronic lymphocytic leukemia (CLL) cells with extended exposure from 24 to 48 hours. In addition, 17-DMAG is much more potent after 24 and 48 hours of treatment than 17-AAG[2].

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

    Alvespimycin hydrochloride Related Antibodies
    In Vivo

    The tumors are grown for two months before the start of i.p. injections every four days over one month with 0, 50, 100 and 200 mg/kg dipalmitoyl-radicicol or 0, 5, 10 and 20 mg/kg 17-DMAG. Despite sample heterogeneity, the HSP90 inhibitor-treated animals have significantly lower tumour volumes than the vehicle control-treated animals. HSP90 inhibitors have been shown to cause liver toxicity in an animal model of gastrointestinal cancer. Nevertheless, the reduction in tumor size using dipalmitoyl-radicicol is statistically significant at 100 mg/kg, while 17-DMAG at either 10 or 20 mg/kg elicited a significant reduction in tumor size[3].

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

    653.21

    Formula

    C32H49ClN4O8
    CAS No.
    Appearance

    Solid

    Color

    Purple to purplish red

    SMILES

    C/C1=C\C=C/[C@@H]([C@H](/C(C)=C/[C@@H]([C@H]([C@H](C[C@@H](CC(C(C(NC1=O)=CC2=O)=O)=C2NCCN(C)C)C)OC)O[H])C)OC(N)=O)OC.Cl
    Shipping

    Room temperature in continental US; may vary elsewhere.
    Storage

    4°C, sealed storage, away from moisture

    *In solvent : -80°C, 2 years; -20°C, 1 year (sealed storage, away from moisture)

    Solvent & Solubility
    In Vitro: 

    DMSO : ≥ 50 mg/mL (76.55 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

    H2O : 4.76 mg/mL (7.29 mM; ultrasonic and warming and heat to 60°C)

    *"≥" means soluble, but saturation unknown.

    Preparing
    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 1.5309 mL 7.6545 mL 15.3090 mL
    5 mM 0.3062 mL 1.5309 mL 3.0618 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 (sealed storage, away from moisture). When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

    * Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

    • 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 (3.83 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.
    • Protocol 2

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

      Solubility: ≥ 2.5 mg/mL (3.83 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 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.
    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, 2 years; -20°C, 1 year (sealed storage, away from moisture)

    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: 99.55%

    COA (253 KB) HNMR (460 KB) LCMS (96 KB)

    Handling Instructions (2659 KB)
    References
    Cell Assay
    [2]

    MTT assays are performed to determine cytotoxicity. A total of 1×106 CD19-selected B cells from CLL patients are incubated for 24 or 48 hours in 17-DMAG, 17-AAG, or vehicle. MTT reagent is then added, and plates are incubated for an additional 24 hours before spectrophotometric measurement. Apoptosis is determined by staining with annexin V-fluorescein isothiocyanate and propidium iodide (PI). After exposure to drugs, cells are washed with phosphate-buffered saline and stained in 1 time binding buffer. Cell death is assessed by flow cytometry using a Beckman-Coulter model EPICS XL cytometer. Data are analyzed with the System II software package. A total of 10 000 cells are counted for each sample. Mitochondrial membrane potential changes are assessed by staining with the lipophilic cationic dye JC-1 and analysis by flow cytometry[2].

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.
    Animal Administration
    [3]

    Mice[3]
    Young male CB-17/IcrHsd-Prkdc-SCID mice, are used. Recombinant xenografts are made by mixing 1×105 BPH1 cells and 2.5×105 CAF per graft in collagen solution, allowed to gel, covered with medium and cultured overnight. Tumors are allowed to form over eight weeks, and then treated for four weeks with three different doses of dipalmitoyl-radicicol (50, 100 and 200 mg/kg) and 17-DMAG (5, 10 and 20 mg/kg) via intraperitoneal injections of compounds in sesame oil every four days. After 12 weeks in total, the mice are sacrificed, their kidneys resected, grafts cut in half and photographed before processing for histology. Graft dimensions are measured and the resultant tumour volume is calculated using the formula; volume=width×length×depth×π/6. This formula represents a conservative approach to evaluate tumour volumes, as it understates the volume of large, invasive tumours compared with smaller, non-invasive tumours. Resected grafts are fixed in 10% formalin, embedded in paraffin and processed for immunohistochemistry.

    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 (sealed storage, away from moisture). 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
    H2O / DMSO 1 mM 1.5309 mL 7.6545 mL 15.3090 mL 38.2725 mL
    5 mM 0.3062 mL 1.5309 mL 3.0618 mL 7.6545 mL
    DMSO 10 mM 0.1531 mL 0.7655 mL 1.5309 mL 3.8273 mL
    15 mM 0.1021 mL 0.5103 mL 1.0206 mL 2.5515 mL
    20 mM 0.0765 mL 0.3827 mL 0.7655 mL 1.9136 mL
    25 mM 0.0612 mL 0.3062 mL 0.6124 mL 1.5309 mL
    30 mM 0.0510 mL 0.2552 mL 0.5103 mL 1.2758 mL
    40 mM 0.0383 mL 0.1914 mL 0.3827 mL 0.9568 mL
    50 mM 0.0306 mL 0.1531 mL 0.3062 mL 0.7655 mL
    60 mM 0.0255 mL 0.1276 mL 0.2552 mL 0.6379 mL

    * Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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    Alvespimycin hydrochloride 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:

    Alvespimycin467214-21-717-DMAGKOS-1022 BMS 826476KOS1022KOS 1022BMS826476BMS 826476BMS-826476HSPApoptosisHeat shock proteinsInhibitorinhibitorinhibit

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