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LIB3S0280

Cat No.:V138850 Purity: ≥98%
LIB3S0280 is a potent TBK1 inhibitor with an IC50 value of 493.9 nM.
LIB3S0280
LIB3S0280 Chemical Structure Product category: PARP
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
10mg
50mg
100mg
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Product Description
LIB3S0280 is a potent TBK1 inhibitor with an IC50 value of 493.9 nM. LIB3S0280 exhibits superior anti-cancer efficacy in pancreatic cancer cell lines with high TBK1 expression. LIB3S0280 inhibits downstream signaling pathways of TBK1, including the PI3K/AKT and NF-κB pathways. LIB3S0280 induces G2/M phase arrest, apoptosis, and cellular senescence. LIB3S0280 can be used in research on pancreatic ductal adenocarcinoma (PDAC).
Biological Activity I Assay Protocols (From Reference)
ln Vitro
LIB3S0280 (72-96 hours) showed significant inhibitory effects on pancreatic cancer cell lines that highly express TBK1, with GI50 values of 2.24 μM (MIA PaCa-2) and 4.71 μM (PANC-1), and IC50 values of 6.64 μM (MIA PaCa-2) and 10.98 μM (PANC-1) (96 hours), respectively [1]. LIB3S0280 (10-20 μM, 3 hours) effectively reduced the phosphorylation levels of AKT (Ser473) and IκBα, key targets of TBK1, in MIA PaCa-2 and PANC-1 cells, thereby inhibiting downstream signaling pathways of TBK1, including the PI3K/AKT and NF-κB pathways [1]. LIB3S0280 (10-20 μM, 48-96 hours) induces G₂/M phase arrest, apoptosis and cellular senescence in pancreatic cancer cells (MIA PaCa-2 and PANC-1) by regulating key regulatory factors such as p-cdc2, p-MPM2, cyclin B1 and p21 [1].
Cell Assay
Western Blot Analysis [1]
Cell Types: MIA PaCa-2 and PANC-1 cells
Tested Concentrations: 10 and 20 μM
Incubation Duration: 3, 48, 72 and 96 hours
Experimental Results: Dose-dependent reduction of IκBα phosphorylation. Reduced AKT phosphorylation at Ser473. p21 levels increased between 48 and 96 hours.
Cell viability assay [1]
Cell Types: MIA PaCa-2, PANC-1 and SW1990 cells
Tested Concentrations: 10 μM
Incubation Duration: 72 and 96 hours
Experimental Results: Significantly inhibited cell proliferation and cell viability in a concentration-dependent manner, with efficacy comparable to BX-795. It showed stronger inhibitory effects on the MIA PaCa-2 cell line. It had no inhibitory effect on SW1990 cells.
Cell cycle analysis [1]
Cell Types: MIA PaCa-2 and PANC-1 cells
Tested Concentrations: 10 and 20 μM
Incubation Duration: 48, 72 and 96 hours
Experimental Results: After 48 hours, the proportion of cells in the G2/M phase increased significantly, while the proportion of cells in the sub-G1 phase increased slightly. After 48 hours, the expression level of p-MPM2 was downregulated, while the expression levels of p-cdc2 (tyr15) and cyclin B1 were upregulated. Compared with 48 hours, after 72 hours, the proportion of cells in the G2/M phase decreased slightly, but the proportion of cells in the sub-G1 phase increased. After 96 hours, the proportion of cells in the sub-G1 phase increased significantly, while the proportion of cells in the G2/M phase decreased further.
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Apoptosis analysis [1]
Cell Types: MIA PaCa-2 and PANC-1 cells
Tested Concentrations: 10 and 20 μM
Incubation Duration: 48, 72 and 96 hours
Experimental Results: Apoptosis was induced from 72 to 96 hours. After 48 hours, the levels of lysed PARP and lysed caspase 3 were slightly increased. After 48, 72 and 96 hours, the granularity of MIA PaCa-2 and PANC-1 cells increased. Senescence of MIA PaCa-2 and PANC-1 cells was induced.

References

[1]. Discovery of novel TANK-Binding Kinase 1 (TBK1) inhibitor against pancreatic ductal adenocarcinoma. Int J Biol Macromol. 2024 Dec;283(Pt 1):137296.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C22H25CLN4O5
Molecular Weight
460.91
Appearance
Off-white to gray solid
SMILES
OC1=C(OC)C=C(CCNC2=NC(NC3=CC(OC)=C(OC)C(OC)=C3)=NC=C2Cl)C=C1
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 : ~50 mg/mL (~108.48 mM; with sonication)
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 2.1696 mL 10.8481 mL 21.6962 mL
5 mM 0.4339 mL 2.1696 mL 4.3392 mL
10 mM 0.2170 mL 1.0848 mL 2.1696 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
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
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)
  • Click the “Calculate” button
  • 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
  • Click the “Calculate” button
  • 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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