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USP25/28-IN-2

Cat No.:V146817 Purity: ≥98%
USP25/28-IN-2 is a selective dual USP25/USP28 inhibitor with an IC50 value of 0.9 μM and a Ka value of 0.9 μM for USP28, and an IC50 value of 0.88 μM for USP25.
USP25/28-IN-2
USP25/28-IN-2 Chemical Structure CAS No.: 2165322-95-0
Product category: Deubiquitinase
This product is for research use only, not for human use. We do not sell to patients.
Size Price
500mg
1g
Other Sizes
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Product Description
USP25/28-IN-2 is a selective dual USP25/USP28 inhibitor with an IC50 of 0.9 μM and a Ka value of 0.9 μM against USP28, and an IC50 of 0.88 μM against USP25. USP25/28-IN-2 affects downstream signaling pathways by modulating the activity of USP25 and USP28, regulating the total level and half-life of c-Myc oncoprotein, inducing apoptosis, and reducing cell viability. USP25/28-IN-2 can be used in research on colorectal cancer and colorectal adenocarcinoma.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
USP25/28-IN-2 (compound AZ2) (titration range) effectively inhibited the activity of purified recombinant USP28 enzyme in various fluorescent substrate assays, with IC50 values ranging from 0.9 to 1.3 μM [1]. USP25/28-IN-2 (AZ2) (titration range; 10 μM) effectively inhibited the activity of purified recombinant USP25 enzyme in fluorescent substrate assays, with an IC50 value of 0.88 μM [1]. USP25/28-IN-2 (AZ2) (200 μM) specifically and reversibly bound purified recombinant USP28 protein, and its dissociation constant (Kd) was determined to be 0.9 μM by isothermal titration calorimetry (ITC) [1]. USP25/28-IN-2 (AZ2) (titration range) specifically bound purified recombinant USP28 protein, and its dissociation constant (Kd) was determined to be 10.3 μM by microcalorimetry (MST) [1]. USP25/28-IN-2 (AZ2) (0.01-60 μM; 2 hours) can bind to endogenous USP28 in HCT116 cells, with an EC50 value of 18.2 μM as measured by the Ub-VS probe competition method [1]. USP25/28-IN-2 (AZ2) (0.01-60 μM; 2 hours) can bind to endogenous USP25 in HCT116 cells, with an EC50 value of 11.5 μM as measured by the Ub-VS probe competition method [1]. After 3 hours of treatment with USP25/28-IN-2 (AZ2) (0-100 μM; 3 hours), the level of endogenous total c-Myc protein in HCT116 cells was reduced in a dose-dependent manner [1]. USP25/28-IN-2 (AZ2) (0-100 μM; 3 h) can induce apoptosis in HCT116 cells in a dose-dependent manner, and this effect was detected by PARP lysis 3 hours after treatment [1]. USP25/28-IN-2 (AZ2) (0-100 μM; 72 h) showed dose-dependent antiproliferative effects in a variety of cancer cell lines (including HCT116, HT29 and SW480) and tissue-matched normal cell lines. After 72 hours of treatment, its EC50 value in cancer cells was approximately 20 μM and its EC50 value in normal cells was approximately 28 μM [1].
Cell Assay
Western Blot Analysis [1]
Cell Types: HCT116 colon cancer cells
Tested Concentrations: 0-100 μM
Incubation Duration: 3 hours
Experimental Results: Endogenous total c-Myc protein levels decreased in a dose-dependent manner, with complete reduction observed at the highest test concentration. USP28 protein levels remained unchanged (confirming no widespread protein degradation).
Apoptosis analysis [1]
Cell Types: HCT116 colon cancer cells
Tested Concentrations: 0-100 μM
Incubation Duration: 3 hours
Experimental Results: PARP lysis was induced in a dose-dependent manner, with the most significant lysis occurring after complete downregulation of c-Myc. No PARP lysis was observed at lower concentrations where c-Myc levels were not completely reduced.
Cell viability assay [1]
Cell Types: HCT116 colon cancer cells, HT29 colorectal adenocarcinoma cells, SW480 colorectal adenocarcinoma cells, 21 cancer cell lines, and 7 tissue-matched normal cell lines
Tested Concentrations: 0-100 μM (incrementing in 1/2 log units)
Incubation Duration: 72 hours
Experimental Results: In HCT116 cells, cell viability decreased in the EC50 range of 18.0-20.0 μM. Similar dose-dependent antiproliferative activity was observed in HT29 and SW480 cells. In all 21 cancer cell lines, cell viability decreased, with EC50 values concentrated around 20 μM. In the 7 normal cell lines, cell viability decreased, with EC50 values concentrated around 28 μM, indicating a small therapeutic window.
References

[1]. Identification and Characterization of Dual Inhibitors of the USP25/28 Deubiquitinating Enzyme Subfamily. ACS Chem Biol. 2017;12(12):3113-3125.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C17H17BRF3NO3
Molecular Weight
420.23
CAS #
2165322-95-0
Appearance
Typically exists as solids at room temperature
SMILES
FC(F)(F)OC1=CC=CC(=C1)COC2=CC=C(Br)C=C2CNCCO
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.3796 mL 11.8982 mL 23.7965 mL
5 mM 0.4759 mL 2.3796 mL 4.7593 mL
10 mM 0.2380 mL 1.1898 mL 2.3796 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

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What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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