1. Stem Cell/Wnt
    Cell Cycle/DNA Damage
  2. Wnt
    Porcupine
    Casein Kinase
  3. IWP-2

IWP-2 

Cat. No.: HY-13912 Purity: 98.07%
Handling Instructions

IWP-2 is an inhibitor of Wnt processing and secretion with an IC50 of 27 nM. IWP-2 targets the membrane-bound O-acyltransferase porcupine (Porcn) and thus preventing a crucial Wnt ligand palmitoylation. IWP-2 is also an ATP-competitive CK1δ inhibitor with an IC50 of 40 nM for the gatekeeper mutant M82FCK1δ.

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

IWP-2 Chemical Structure

IWP-2 Chemical Structure

CAS No. : 686770-61-6

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Based on 7 publication(s) in Google Scholar

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Description

IWP-2 is an inhibitor of Wnt processing and secretion with an IC50 of 27 nM. IWP-2 targets the membrane-bound O-acyltransferase porcupine (Porcn) and thus preventing a crucial Wnt ligand palmitoylation. IWP-2 is also an ATP-competitive CK1δ inhibitor with an IC50 of 40 nM for the gatekeeper mutant M82FCK1δ[1][2].

IC50 & Target[1][2]

Wnt

27 nM (IC50)

CK1δ

40 nM (IC50)

In Vitro

IWP-2 inhibits the proliferation of the investigated cell lines within the single digit μM range. IWP-2 inhibits cell proliferation in A818-6, MiaPaCa2, Panc-1, Panc-89, HT29, HEK293, SW620 and Capan cell with EC50s of 8.96 μM, 1.90 μM, 2.33 μM, 3.86 μM, 4.67 μM, 2.76 μM, 1.90 μM and 2.05 μM, respectively[2].
Panc-1 cells are either untreated or treated with 2.33 μM IWP-2 for 48 h. In IWP-2 treated cells, the CK1δ kinase peak activity is reduced to approximately 66% residual activity compared to the activity in untreated cells, respectively. IWP-2 reduces the activity of CK1δ in Panc1 cells[2].

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

In Vivo

To evaluate the efficacy of IWP-2 in vivo, 200 μL each of IWP-2-liposome or free liposome i separately injected into C57BL/6 mice intraperitoneally about 2 h before injection of a similar volume of either blue-dye-filled latex beads or E. coli DH5α. IWP-2 causes significant reduction in the uptake of blue beads as well as E. coli as assessed by CFUs in peritoneal lavage cells within 2 h. In addition, the levels of TNF-α and IL-6 in the lavage fluid of the corresponding mice are reduced by 2-4-fold compared with control values. Interestingly, IWP-2 even induces a considerable increase in secretion of the anti-inflammatory cytokine IL-10[3].

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

Molecular Weight

466.60

Formula

C₂₂H₁₈N₄O₂S₃

CAS No.
SMILES

O=C(NC1=NC2=CC=C(C)C=C2S1)CSC3=NC(CCS4)=C4C(N3C5=CC=CC=C5)=O

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMF : 16.67 mg/mL (35.73 mM; Need ultrasonic)

DMSO : 2 mg/mL (4.29 mM; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.1432 mL 10.7158 mL 21.4316 mL
5 mM 0.4286 mL 2.1432 mL 4.2863 mL
10 mM 0.2143 mL 1.0716 mL 2.1432 mL
*Please refer to the solubility information to select the appropriate solvent.
References
Cell Assay
[2]

The human RCC cell lines 786O and Caki-2 (5×103) are seeded into 96-well plates. Cell viability is estimated by MST assay after Caki-2 acells are incubated with ncreasing concentrations of LEF together with 20 μM IWP-2 for 48 h.After treatment, 10 μL MTS is added into each well for 2 h incubation. The absorbance is measured using a model ELX800 Micro Plate Reader at 490 nm. For colony formation assay, Caki-2 cells are trypsinized to single cell suspensions and seeded into fresh 6-well plates at 1000 cells/well. Then cells are incubated with LEF at depicted concentrations for 7 days. Colonies are fixed with absolute methanol for 15 min and then stained with 0.1% crystal violet for 20 min. After washing with PBS three times, the colonies with a diameter over 2 mm are visualized by a digital camera[2].

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

Animal Administration

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

References

Purity: 98.07%

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Keywords:

IWP-2IWP2IWP 2WntPorcupineCasein KinaseInhibitorinhibitorinhibit

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