2. GPCR/G Protein MAPK/ERK Pathway
  3. Ras
  4. EHop-016

EHop-016 is a potent and selective Rac GTPase Rac1 and Rac3 inhibitor. EHop-016 inhibits Rac1 activity with an IC50 of 1.1 μM in MDA-MB-435 cells. EHop-016 inhibits Vav2 interaction with Rac, Rac-activated PAK1, lamellipodia formation, and cell migration.

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EHop-016 Chemical Structure

EHop-016 Chemical Structure

CAS No. : 1380432-32-5

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10 mM * 1 mL in DMSO
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Based on 4 publication(s) in Google Scholar

EHop-016 Related Antibodies

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Description

EHop-016 is a potent and selective Rac GTPase Rac1 and Rac3 inhibitor. EHop-016 inhibits Rac1 activity with an IC50 of 1.1 μM in MDA-MB-435 cells. EHop-016 inhibits Vav2 interaction with Rac, Rac-activated PAK1, lamellipodia formation, and cell migration[1][2].

In Vitro

EHop-016 (1-10 μM; 24 hours; MDA-MB-435 cells) treatment inhibits Rac1 and Rac3 activity. At higher concentrations, EHop-016 inhibits the close homolog Cdc42. In MDA-MB-435 cells that demonstrate high active levels of the Rac GEF Vav2, EHop-016 inhibits the association of Vav2 with a nucleotide-free Rac1(G15A) [1].
EHop-016 also inhibits the Rac activity of MDA-MB-231 metastatic breast cancer cells and reduces Rac-directed lamellipodia formation in both cell lines. EHop-016 decreases Rac downstream effects of PAK1 (p21-activated kinase 1) activity and directed migration of metastatic cancer cells[1].
EHop-016 affectes cell viability by down-regulating Akt and Jun kinase activities and c-Myc and Cyclin D expression, as well as increasing caspase 3/7 activities in metastatic cancer cells[2].

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

EHop-016 Related Antibodies

Western Blot Analysis[1]

Cell Line: MDA-MB-435 cells
Concentration: 1 μM, 2 μM, 4 μM, 5 μM, 10 μM
Incubation Time: 24 hours
Result: The activity Rac3 was inhibited by 58%.
In Vivo

EHop-016 (10-25 mg/kg; intraperitoneal injection; 3 times a week; for 55 days; nu/nu mice) treatment significantly reduces mammary fat pad tumor growth, metastasis, and angiogenesis[2].

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

Animal Model: Female athymic nu/nu mice (4-5 weeks old) injected with GFP-MDA-MB-435 cells[2]
Dosage: 10 mg/kg, 25 mg/kg
Administration: Intraperitoneal injection; 3 times a week; for 55 days
Result: Significantly reduced mammary fat pad tumor growth, metastasis, and angiogenesis.
Molecular Weight

430.55

Formula

C25H30N6O
CAS No.
Appearance

Solid

Color

Light yellow to yellow

SMILES

CCN1C2=C(C3=C1C=CC=C3)C=C(NC4=NC(NCCCN5CCOCC5)=NC=C4)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 (74.32 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 2.3226 mL 11.6131 mL 23.2261 mL
5 mM 0.4645 mL 2.3226 mL 4.6452 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)

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Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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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 (5.81 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 (5.81 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.

For the following dissolution methods, please prepare the working solution directly. It is recommended to prepare fresh solutions and use them promptly within a short period of time.
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:  50% PEG300    50% Saline

    Solubility: 10 mg/mL (23.23 mM); Suspended solution; Need ultrasonic

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: 99.85%

COA (251 KB) HNMR (295 KB) LCMS (95 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, 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 2.3226 mL 11.6131 mL 23.2261 mL 58.0653 mL
5 mM 0.4645 mL 2.3226 mL 4.6452 mL 11.6131 mL
10 mM 0.2323 mL 1.1613 mL 2.3226 mL 5.8065 mL
15 mM 0.1548 mL 0.7742 mL 1.5484 mL 3.8710 mL
20 mM 0.1161 mL 0.5807 mL 1.1613 mL 2.9033 mL
25 mM 0.0929 mL 0.4645 mL 0.9290 mL 2.3226 mL
30 mM 0.0774 mL 0.3871 mL 0.7742 mL 1.9355 mL
40 mM 0.0581 mL 0.2903 mL 0.5807 mL 1.4516 mL
50 mM 0.0465 mL 0.2323 mL 0.4645 mL 1.1613 mL
60 mM 0.0387 mL 0.1936 mL 0.3871 mL 0.9678 mL
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EHop-016 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:

EHop-0161380432-32-5EHop016EHop 016RasRac1Rac3Cdc42Vav2PAK1migrationangiogenesisInhibitorinhibitorinhibit

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