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WRG-28

Cat No.:V32049 Purity: ≥98%
WRG-28 is a selective, extracellular-acting allosteric inhibitor of DDR2 with IC50 of 230 nM.
WRG-28
WRG-28 Chemical Structure CAS No.: 1913291-02-7
Product category: New2
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
10mg
50mg
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Product Description
WRG-28 is a selective, extracellular-acting allosteric inhibitor of DDR2 with IC50 of 230 nM. WRG-28 inhibits tumor invasion, migration and the tumor-promoting effects of CAFs, and also inhibits the colonization of metastatic breast tumor cells in the lungs. WRG-28 also has good activity in alleviating rheumatoid arthritis in CAIA mouse models.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
WRG-28 (1, 2 μM; 4 hours) fragments collagen I-mediated tyrosine phosphorylation of DDR2 and (1 μM; 7) ERK activation and SNAIL1 protein stability in HEK293 cells expressing DDR2 ( WRG -28 (1 μM; 48 hours) inhibits tumor cell wavelength and migration by inhibiting DDR2 in BT549 and 4T1 breast cancer cells [1]. WRG-28 (1 μM; 4). WRG-28 (0.5, 1 μM ; 4 h) Maintain varied inhibitory impact of acquired DDR2 on TKIs [1].
ln Vivo
In breast cancers, WRG-28 (10 mg/kg; IV; single dose) internally turns off DDR2's molecular signaling [1]. The WRG-28 (10 mg/kg; iv; single dose) administered once daily for 7 days and WRG-28 (10 mg/kg; iv; administered once daily for 21 days) is used to treat arthritis-induced inflammation (CAIA) and spinal cord damage [2].
Cell Assay
Cell viability assay [1]
Cell Types: Day) Inhibit the tumor-promoting effect of CAF [1]. HEK293 cells (transfected with DDR2-Flag)
Tested Concentrations: 0.25, 0.5, 1, 2 µM
Incubation Duration: 4 hrs (hours)
Experimental Results: 1 or 2 µM Dramatically inhibited collagen I-mediated DDR2 tyrosine phosphorylation, IC>sub >50 is 286 nm.

Cell viability assay [1]
Cell Types: HEK293 cells (transfected with DDR2-Flag)
Tested Concentrations: 1 µM
Incubation Duration: 7 hrs (hours)
Experimental Results: Inhibition of collagen I-mediated ERK activation and SNAIL1 protein stabilization (IC50=286 nM).

Cell viability assay [1]
Cell Types: BT549 and 4T1 breast cancer cells (expressing endogenous DDR2)
Tested Concentrations: 1 μM
Incubation Duration: 48 h
Experimental Results: Inhibition of DDR2-induced tumor cell invasion and migration.

Cell viability assay[1]
Cell Types: CAF cells (containing tumor organoids)
Tested Concentrations: 1 μM
Incubation Duration: 4 days
Experimental Results: Inhibition of DDR2 activity that supports invasion of primary tumor organoids in CAF.

Cell viability assay [1]
Cell Types: HEK2
Animal Protocol
Animal/Disease Models: Female BALB/cJ mouse (8 weeks old; 4T1-Snail-CBG tumor-bearing mouse model) [1].
Doses: 10 mg/kg
Route of Administration: intravenous (iv) (iv)injection, single dose.
Experimental Results: SNAIL1-clic beetle green (SNAIL1.CBG) levels in mouse tumors were diminished by 60%.

Animal/Disease Models: Female BALB/cJ mice (8 weeks old; injected with 4T1 GFP-luc expressing cells) [1].
Doses: 10 mg/kg
Route of Administration: intravenous (iv) (iv)injection, one time/day for 7 days.
Experimental Results: Lung colonization was diminished to levels comparable to shDDR2-depleted cells.

Animal/Disease Models: Male DBA/1 mice (8 weeks old; CAIA model) [2].
Doses: 10 mg/kg
Route of Administration: intravenously (iv) (iv)(iv), one time/day for 21 days.
Experimental Results: The mice's arthritis Dramatically improved (the production of IL-15 and Dkk-1 was diminished), and the mice's hind paw thickness was also diminished. Inhibits inflammatory cell infiltration and cartilage destruction in mouse ankle joints and serum. Dramatically reduces bone destruction, reduces joint space enlargement and bo
References

[1]. Inhibition of tumor-microenvironment interaction and tumor invasion by small-molecule allosteric inhibitor of DDR2 extracellular domain. Proc Natl Acad Sci U S A. 2018 Aug 14;115(33):E7786-E7794.

[2]. Blockade of Discoidin Domain Receptor 2 as a Strategy for Reducing Inflammation and Joint Destruction in Rheumatoid Arthritis Via Altered Interleukin-15 and Dkk-1 Signaling in Fibroblast-Like Synoviocytes. Arthritis Rheumatol. 2020 Jun;72(6):943-956.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C21H18N2O5S
Molecular Weight
410.443024158478
Exact Mass
410.093
CAS #
1913291-02-7
PubChem CID
139035038
Appearance
Pink to red solid powder
LogP
2.3
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
7
Rotatable Bond Count
6
Heavy Atom Count
29
Complexity
819
Defined Atom Stereocenter Count
0
SMILES
S(C1C=CC(=CC=1)COC1C=CC2=C(C=1)OC1=CC(C=CC1=N2)=O)(NCC)(=O)=O
InChi Key
AARVTLIQNGAELZ-UHFFFAOYSA-N
InChi Code
InChI=1S/C21H18N2O5S/c1-2-22-29(25,26)17-7-3-14(4-8-17)13-27-16-6-10-19-21(12-16)28-20-11-15(24)5-9-18(20)23-19/h3-12,22H,2,13H2,1H3
Chemical Name
N-ethyl-4-[(7-oxophenoxazin-3-yl)oxymethyl]benzenesulfonamide
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)
DMSO : ~15.62 mg/mL (~38.06 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 1.56 mg/mL (3.80 mM) (saturation unknown) in 10% DMSO + 40% PEG300 +5% Tween-80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 15.6 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 + to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.4364 mL 12.1820 mL 24.3641 mL
5 mM 0.4873 mL 2.4364 mL 4.8728 mL
10 mM 0.2436 mL 1.2182 mL 2.4364 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.

Calculator

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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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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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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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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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