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JW 55

In stock
Catalog No.
PARP domain inhibitor
Grouped product items
SizePriceStock Qty
10mM (in 1mL DMSO)
In stock
Evaluation Sample
In stock
In stock
In stock
100 mg
In stock

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IC50: 1.9 μM (TNK S1); 0.83 μM (TNK S2)

Increased nuclear accumulation of β-catenin, a mediator of canonical Wnt signaling, is found in numerous tumors and is frequently associated with tumor progression and metastasis. Inhibition of Wnt/b-catenin signaling therefore is an attractive strategy for anticancer drugs.

In vitro: In a previous study, the authors identified a novel small molecule inhibitor of the β-catenin signaling pathway, JW55, that functions via inhibition of the PARP domain of tankyrase 1 and tankyrase 2 (TNKS1/2), regulators of the b-catenin destruction complex. Inhibition of TNKS1/2 poly(ADP-ribosyl)ation activity by JW55 led to stabilization of AXIN2, a member of the b-catenin destruction complex, followed by increased degradation of b-catenin. In a dose-dependent manner, JW55 inhibited canonical Wnt signaling in colon carcinoma cells that contained mutations in either the APC (adenomatous polyposis coli) locus or in an allele of b-catenin [1].

In vivo: JW55 was reported to reduce XWnt8-induced axis duplication in Xenopus embryos and tamoxifen-induced polyposis formation in conditional APC mutant mice. These findings provide a novel chemotype for targeting canonical Wnt/b-catenin signaling through inhibiting the PARP domain of TNKS1/2 [1].

Clinical trial: JW55 is currently in the preclinical development and no clinical trial is ongoing.

[1] Waaler J, Machon O, Tumova L, Dinh H, Korinek V, Wilson SR, Paulsen JE, Pedersen NM, Eide TJ, Machonova O, Gradl D, Voronkov A, von Kries JP, Krauss S.  A novel tankyrase inhibitor decreases canonical Wnt signaling in colon carcinoma cells and reduces tumor growth in conditional APC mutant mice. Cancer Res. 2012;72(11):2822-32.

Chemical Properties

Physical AppearanceA solid
StorageStore at 4°C
Cas No.664993-53-7
Solubility≥19.25mg/mL in DMSO, ≥3.53 mg/mL in EtOH with ultrasonic, <2.25 mg/mL in H2O
Chemical NameN-[4-[[4-(4-methoxyphenyl)oxan-4-yl]methylcarbamoyl]phenyl]furan-2-carboxamide
SDFDownload SDF
Shipping ConditionEvaluation sample solution : ship with blue ice.All other available size: ship with RT , or blue ice upon request
General tipsFor obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.

Biological Activity

JW 55 is an inhibitor of the PARP domain of tankyrase 1 and 2 (TNKS1/2). JW55 decreased auto-PARsylation of TNKS1/2 in vitro with IC50 values of 1.9 uM and 830 nM respectively.
Targets TNKS1 TNKS2        
IC50 1.9 uM 830 nM        

Quality Control

Chemical structure

JW 55

Related Biological Data

JW 55

Related Biological Data

JW 55