1. Membrane Transporter/Ion Channel Neuronal Signaling
  2. TRP Channel
  3. GSK205

GSK205 is a potent, selective TRPV4 antagonist with an IC50 of 4.19  μM for inhibiting TRPV4-mediated Ca2+ influx.

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GSK205 Chemical Structure

GSK205 Chemical Structure

CAS No. : 1263068-83-2

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Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
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Based on 4 publication(s) in Google Scholar

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Description

GSK205 is a potent, selective TRPV4 antagonist with an IC50 of 4.19  μM for inhibiting TRPV4-mediated Ca2+ influx[1][2].

IC50 & Target

IC50: 4.19  μM (TRPV4)[2]

In Vitro

GSK205 (100 μM) potently antagonizes TRPV4 in 3T3-F442A adipocytes, as it effectively blocks the calcium influx caused by TRPV4 agonist[1].
? GSK205 (5 μM; 4 days; T3-F442A adipocytes) treatment results in increases expression of thermogenic genes (Mcp1, Mip1α, Mcp3, Rantes and Vcam, et al.) and is also accompanied by a decrease in the proinflammatory gene program. This shift resembles the gene expression changes seen in TRPV4-deficient adipocytes[1].

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

RT-PCR[1]

Cell Line: T3-F442A adipocytes
Concentration: 5 μM
Incubation Time: 4 days
Result: Resulted in increased expression of thermogenic genes and is also accompanied by a decrease in the proinflammatory gene program.
In Vivo

GSK205 (10 mg/kg; intraperitoneal injection; twice daily; for 7 days; for 4 weeks; male C57BL/6J mice) treatment shows significantly increases expression of thermogenic genes such as Ucp1, Pgc1a, Cidea and Cox8b. GSK205 treatment causes a reduced expression of the proinflammatory chemokines, macrophage marker and Tnfa in the EPI fat. GSK205 treatment significantly improves glucose tolerance in diet-induced obese (DIO) mice. There are no apparent sign of sickness or weight loss[1].
? GSK205 has a relatively short half-life of 2 hours in the plasma and adipose tissues[1].

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

Animal Model: Male C57BL/6J mice with high-fat diet[1]
Dosage: 10 mg/kg
Administration: Intraperitoneal injection; twice daily; for 7 days
Result: Caused a reduced expression of the proinflammatory chemokines, macrophage marker and Tnfa in the EPI fat. Significantly improved glucose tolerance in diet-induced obese (DIO) mice.
Molecular Weight

481.45

Formula

C24H25BrN4S

CAS No.
Appearance

Solid

Color

Light yellow to yellow

SMILES

CN(CCC1=CC=C(NC2=NC=C(C3=CC=CN=C3)S2)C=C1)CC4=CC=CC=C4.[H]Br

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 : 250 mg/mL (519.26 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 2.0771 mL 10.3853 mL 20.7706 mL
5 mM 0.4154 mL 2.0771 mL 4.1541 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.

  • Molarity Calculator

  • Dilution Calculator

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

Mass
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Concentration
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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

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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 (4.32 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% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.08 mg/mL (4.32 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 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
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
DMSO 1 mM 2.0771 mL 10.3853 mL 20.7706 mL 51.9265 mL
5 mM 0.4154 mL 2.0771 mL 4.1541 mL 10.3853 mL
10 mM 0.2077 mL 1.0385 mL 2.0771 mL 5.1926 mL
15 mM 0.1385 mL 0.6924 mL 1.3847 mL 3.4618 mL
20 mM 0.1039 mL 0.5193 mL 1.0385 mL 2.5963 mL
25 mM 0.0831 mL 0.4154 mL 0.8308 mL 2.0771 mL
30 mM 0.0692 mL 0.3462 mL 0.6924 mL 1.7309 mL
40 mM 0.0519 mL 0.2596 mL 0.5193 mL 1.2982 mL
50 mM 0.0415 mL 0.2077 mL 0.4154 mL 1.0385 mL
60 mM 0.0346 mL 0.1731 mL 0.3462 mL 0.8654 mL
80 mM 0.0260 mL 0.1298 mL 0.2596 mL 0.6491 mL
100 mM 0.0208 mL 0.1039 mL 0.2077 mL 0.5193 mL
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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.

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GSK205
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