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SMU-L11-R

SMU-L11-R is a selective TLR7 agonist with an EC50 value of 0.012 μM for human TLR7.
SMU-L11-R
SMU-L11-R Chemical Structure CAS No.: 3040320-18-8
Product category: TLR
This product is for research use only, not for human use. We do not sell to patients.
Size Price
500mg
1g
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Product Description
SMU-L11-R is a selective TLR7 agonist with an EC50 of 0.012 μM for human TLR7. SMU-L11-R specifically activates TLR7, recruits MyD88, and triggers the MAPK/NF-κB pathway, leading to the secretion of TNF-α/IL-1β/IL-6 by peripheral blood monocytes in mice and humans. SMU-L11-R promotes M1-like macrophage polarization. SMU-L11-R exhibits excellent synergistic antitumor activity with PD-L1 inhibitors, exerting its effects by upregulating CD8+ T cells. SMU-L11-R shows potential in colorectal cancer research.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
SMU-L11-R (0-100 μM; 24 h; HEK-Blue hTLR7 cells) showed no significant toxic effects [1]. SMU-L11-R (0-100 μM; 24 h; B16-F10 cells) showed cytotoxic effects at the highest concentration of 100 μM [1]. SMU-L11-R (0, 0.1, 1, 5, 10 μM; 24 h; peritoneal macrophages) showed an increase in M1 macrophages with increasing dose [1][1]. SMU-L11-R (1 μM; 15-120 min; BMDCs) activated downstream signaling pathways of TLR7 via MyD88 protein, including the NF-κB and MAPK signaling pathways [1]. SMU-L11-R (0, 0.01, 0.1, 1, 10 μM; 24 h; HEK-Blue hTLR7 cells) showed a dose-dependent increase in TLR7 protein [1]. SMU-L11-R (0-10 μM; 24 h; Raw 264.7 cells) showed a significant increase in TNF-α and IL-6 [1]. SMU-L11-R (0-10 μM; 24 h; human PBMCs) showed a dose-dependent increase in TNF-α and IL-1β [1]. SMU-L11-R (0-10 μM; 24 h; mouse BMDCs) showed a significant increase in IL-6 [1]. SMU-L11-R (0, 0.1, 1, 10 μM; 24 h; peritoneal macrophages) showed a concentration-dependent increase in NO production [1]. With increasing concentration, SMU-L11-R also showed activation of TLR8 (EC50 = 2.56 μM), but its activation was 156 times lower than that of TLR7. The activation of hTLR2, hTLR3 or hTLR4 induced by SMU-L11-R in HEK-Blue cells was negligible [1].
ln Vivo
SMU-L11-R (5-10 mg/kg; IP; every 2 days; 15 days) inhibits MC38 tumor growth and enhances antitumor effects when conjugated with PD-L1 [1].
Cell Assay
Cell Viability Assay[1]
Cell Types: HEK-Blue hTLR7 cells
Tested Concentrations: 0.26 μM, 0.52 μM, 1.04 μM, 2.08 μM, 4.17 μM, 8.33 μM, 16.67 μM, 33.33 μM, 100 μM
Incubation Duration: 24 h
Experimental Results: Showed no obvious toxic effect.
Cell Viability Assay[1]
Cell Types: MC38 cells
Tested Concentrations: 0.02 μM, 0.05 μM, 0.14 μM, 1.23 μM, 11.11 μM, 33.33 μM, 100 μM
Incubation Duration: 24 h
Experimental Results: Showed cytotoxic effect at a high testing concentration (100 μM).
Cell Viability Assay[1]
Cell Types: B16-F10 cells
Tested Concentrations: 0.26 μM, 0.52 μM, 1.04 μM, 2.08 μM, 4.17 μM, 8.33 μM, 16.67 μM, 33.33 μM, 100 μM
Incubation Duration: 24 h
Experimental Results: Showed cytotoxic effect at a high testing concentration (100 μM).
Western Blot Analysis[1]
Cell Types: HEK-Blue hTLR7 cells
Tested Concentrations: 0, 0.01, 0.1, 1, 10 μM
Incubation Duration: 24 h
Experimental Results: Showed dose-dependent increase in TLR7 protein.
Western Blot Analysis[1]
Cell Types: BMDCs
Tested Concentrations: 1 μM
Incubation Duration: 15 min, 30 min, 60 min, 90 min, 120 min
Experimental Results: Showed significant induction of the phosphorylation of IKK α/ β, p65, p38 and ERK1/2 in BMDCs.
ELISA Assay[1]
Cell Types: Raw 264.7 cells
Tested Concentrations: 0, 0.01, 0.1, 1, 10 μM
Incubation Duration: 24 h
Experimental Results: Showed significant increase in TNF-α and IL-6.
ELISA Assay[1]
Cell Types: Mouse BMDCs
Tested Concentrations: 0, 0.01, 0.1, 1, 10 μM
Incubation Duration: 24 h
Experimental Results: Showed significant increase in IL-6.
ELISA Assay[1]
Cell Types: Human PBMCs
Tested Concentrations: 0, 0.01, 0.1, 1, 10 μM
Incubation Duration: 24 h
Experimental Results: Showed dose-dependent increase in TNF-α and IL-1β.
Animal Protocol
Animal/Disease Models: C57/BL6 wild-type male mice (6-8 weeks old) were injected subcutaneousely with 2 x 105 MC38 cells[1]
Doses: 5 mg/kg, 10 mg/kg
Route of Administration: IP; every 2 days; 15 days
Experimental Results: Significantly inhibited tumor growth and exhibited excellent synergistic anti-tumor effects when combined with PD-L1 inhibitors by upregulating CD8+ T cells.
References

[1]. https://pubmed.ncbi.nlm.nih.gov/41101258

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C19H24N4O
Molecular Weight
324.42
CAS #
3040320-18-8
Appearance
Typically exists as solids at room temperature
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 3.0824 mL 15.4121 mL 30.8242 mL
5 mM 0.6165 mL 3.0824 mL 6.1648 mL
10 mM 0.3082 mL 1.5412 mL 3.0824 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

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
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An example of molarity calculation using the molarity calculator is shown below:
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?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

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:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
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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
Instructions to calculate molar mass (molecular weight) of a chemical compound:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
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  • The answer appears in the Volume (to add to vial) box
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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