1. Membrane Transporter/Ion Channel NF-κB Immunology/Inflammation Neuronal Signaling Metabolic Enzyme/Protease
  2. Sodium Channel Potassium Channel NF-κB COX Amyloid-β Endogenous Metabolite
  3. 20(S)-Ginsenoside Rg3

20(S)-Ginsenoside Rg3  (Synonyms: 20(S)-Propanaxadiol; S-ginsenoside Rg3)

Cat. No.: HY-N0603 Purity: 99.94%
COA Handling Instructions

20(S)-Ginsenoside Rg3 is the main component of Panax ginseng C. A. Meyer. Ginsenoside Rg3 inhibits Na+ and hKv1.4 channel with IC50s of 32.2±4.5 and 32.6±2.2 μM, respectively. 20(S)-Ginsenoside Rg3 also inhibits levels, NF-κB activity, and COX-2 expression.

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

20(S)-Ginsenoside Rg3 Chemical Structure

20(S)-Ginsenoside Rg3 Chemical Structure

CAS No. : 14197-60-5

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10 mM * 1 mL in DMSO
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Customer Review

Based on 4 publication(s) in Google Scholar

Other Forms of 20(S)-Ginsenoside Rg3:

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  • Biological Activity

  • Protocol

  • Purity & Documentation

  • References

  • Customer Review

Description

20(S)-Ginsenoside Rg3 is the main component of Panax ginseng C. A. Meyer. Ginsenoside Rg3 inhibits Na+ and hKv1.4 channel with IC50s of 32.2±4.5 and 32.6±2.2 μM, respectively. 20(S)-Ginsenoside Rg3 also inhibits levels, NF-κB activity, and COX-2 expression.

IC50 & Target[1][2][3][4]

Na+ channel

32.2 μM (IC50)

hKv1.4 channel

32.6 μM (IC50)

p65

 

COX-2

 

Aβ40

 

Aβ42

 

Human Endogenous Metabolite

 

In Vitro

Ginsenoside Rg3 plays an important role in its effect on the Na+ channel. Treatment with Ginsenoside Rg3 reversibly inhibits the inward Na+ peak current (INa) with an IC50 of 32.2±4.5 μM, and the inhibition is voltage-dependent[1]. Ginsenoside Rg3 at 100 μM inhibits the hKv1.4 channel currents by an average of 65%.The Ginsenoside Rg3 effect is concentration-dependent and reversible. The IC50 value and Hill coefficient are 32.6±2.2 μM and 1.59±0.13, respectively[2]. Ginsenoside Rg3 shows the significant inhibition of NF-κB activity thereby reduced COX-2 expression. To examine the cytotoxicity of Ginsenoside Rg3 on IL-1β-induced inflamed A549 cells, the cells are firstly treated with IL-1β (10 ng/mL) for 4 h and treated with 100 to 900 ng/mL concentration of Ginsenoside Rg3 for 12 h. Cell viability is analyzed using an MTT assay. There is no observed cytotoxicity of Ginsenoside Rg3 in IL-1β-induced inflamed A549 cells compared to only PBS-treated cells (Con).To obtain the anti-inflammatory effects of Ginsenoside Rg3 on inflammation induced human lung epithelial cells, A549 cells inflammation is induced by IL-1β (10 ng/mL) and then treated by 5 μM of Dexamethasone (Dex) or 900 nM of Rg3. The NF-κB activation is analyzed by a western blot analysis to evaluate the effect of Ginsenoside Rg3 treatment on A549 cells. Phospho-NF-κB p65/total NF-κB p65 densitometry in the cells treated with Rg3 shows the significant decrease compared to IL-1β-induced inflamed A549 cells. The meaning of reducing the ratio of p-p65/p65 by Rg3 treatment is associated with NF-κB activation. Ginsenoside Rg3 also downregulates the expression of COX-2 effectively[3].

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

In Vivo

Ginsenoside Rg3 ((20S)-Rg3) is an Aβ-lowering Natural Compound. APP/PS1 mice are treated with Ginsenoside Rg3 once a day for 4 weeks by intraperitoneal injection (10 mg/kg/day). Aβ ELISA analysis of brain tissues reveal that Ginsenoside Rg3 treatment results in a significant reduction of Aβ40 and Aβ42 in the brain[4].

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

Molecular Weight

785.01

Formula

C42H72O13

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O[C@@H]([C@@H]([C@@H](CO)O1)O)[C@@H](O[C@H]2[C@@H]([C@H]([C@@H]([C@@H](CO)O2)O)O)O)[C@@H]1O[C@H]3CC[C@]4(C)[C@@]5([H])C[C@@H](O)[C@]6([H])[C@@H](C(C)(O)CC/C=C(C)\C)CC[C@](C)6[C@@](C)5CCC4C3(C)C

Structure Classification
Initial Source
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 : 100 mg/mL (127.39 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 1.2739 mL 6.3693 mL 12.7387 mL
5 mM 0.2548 mL 1.2739 mL 2.5477 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

Concentration (start)

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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 (3.18 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 (3.18 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:

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(per animal)

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Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
+
%
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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: 99.94%

References
Cell Assay
[3]

MTT assays are performed to evaluate the cytotoxicity of Ginsenoside Rg3 on inflamed cells. Ten thousands of A549 cells cultured each well of 96-well plate and are incubated at 37°C and 5% CO2 overnight. After serum starvation using DMEM low glucose without FBS, the medium is changed into RPMI containing IL-1β (10 ng/mL) and the cells are incubated at 37°C and 5% CO2 for 4 h. After 4 h incubation, the cells are treated with Ginsenoside Rg3 (100-900 nM) for 12 h. Thirty microliters of MTT solution (5 mg/mL) is added to each well and the cells are incubated for 2 h. After 2 h incubation in cell culture incubator, the medium containing MTT solution of each well is removed and 50 μL of DMSO is added. Using an automated spectrophotometric plate reader at 570 nm, the optical density of formazan is measured[3].

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

Animal Administration
[4]

Mice[4]
The mice used are heterozygous, double transgenic animals expressing both human APP(K670N/M671L) and PS1(M146L) proteins. These Alzheimer disease model mice are age-matched (3 months old) in all experiments with wild-type littermates. Both sets of mice are produced by crossing heterozygous APP mice with heterozygous PS1 mice and are weaned at 3 weeks and genotyped by PCR of digested tail samples. Ginsenoside Rg3 is prepared in a saline solution containing 0.01% DMSO at a concentration of 10 mg/kg of body weight. Ginsenoside Rg3 (or saline with 0.01% DMSO for controls) is administered daily via intraperitoneal injection. After sacrifice, one hemibrain from each mouse is frozen on dry ice, homogenized in sucrose buffer, and extracted via formic acid for Aβ quantification using a commercial sandwich ELISA kit.

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. 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 1.2739 mL 6.3693 mL 12.7387 mL 31.8467 mL
5 mM 0.2548 mL 1.2739 mL 2.5477 mL 6.3693 mL
10 mM 0.1274 mL 0.6369 mL 1.2739 mL 3.1847 mL
15 mM 0.0849 mL 0.4246 mL 0.8492 mL 2.1231 mL
20 mM 0.0637 mL 0.3185 mL 0.6369 mL 1.5923 mL
25 mM 0.0510 mL 0.2548 mL 0.5095 mL 1.2739 mL
30 mM 0.0425 mL 0.2123 mL 0.4246 mL 1.0616 mL
40 mM 0.0318 mL 0.1592 mL 0.3185 mL 0.7962 mL
50 mM 0.0255 mL 0.1274 mL 0.2548 mL 0.6369 mL
60 mM 0.0212 mL 0.1062 mL 0.2123 mL 0.5308 mL
80 mM 0.0159 mL 0.0796 mL 0.1592 mL 0.3981 mL
100 mM 0.0127 mL 0.0637 mL 0.1274 mL 0.3185 mL
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  • 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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20(S)-Ginsenoside Rg3
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