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General description
A cell-permeable, triazolyl-vinyl-oxadiazole compound that targets adenosine site of the NAD+ pocket in the TNKS PARP domain and acts as a potent and highly selective tankyrase inhibitor (IC50 = 33 and 26 nM, respectively, in TNKS1/PARP5a/ARTD5 and TNKS2/PARP5b/ARTD6 auto-PARsylation assays), effectively inhibiting murine Wnt3a-induced reporter activity in human HEK293 and murine 10T1/2 cultures (ICmax ~300 and 600 nM, respectively). In addition to being more selective over PARP1/2 (IC50 >10 µM vs 116 nM/47 nM with XAV939) than the nicotinamide site-targeting XAV939 (Cat. No. 575545), G007-LK is also shown to display little or no inhibitory potency (IC50 >10 µM) toward 5 other PARP enzymes (PARP3, 6, 7,10,11), 90 kinases, 16 phosphatases, and 75 GPCRs (IC50 >10 µM). Wnt signaling inhibition upon G007-LK treatment in 11 APC (Adenomatous polyposis coli/deleted in polyposis 2.5/DP2.5) mutatant CRC (colorectal cancer) lines ranges from no effect to varying degrees of partial blockages that do not correlate with the observed CRC colony formation inhibitions.Two CRC lines, COLO-320DM & SW403, whose colony formation are affected by G007-LK in vitro (by 70% and 27%, respectively, at 200 nM in 7 to 13 d) are also inhibited by G007-LK for their tumor expansion in mice in vivo (by 47% and 42%, respectively, on d21; 20 mg/kg per daily i.p.), while G007-LK toxicity is observed at high dosages in mice (≥30 mg/kg/12 h or 60 mg/kg/d via i.p.) due to small intestine damage as a result of on-target wnt signaling inhibition in normal tissue. Exhibits favorable pharmacokinetic properties in mice when administered via i.p. ( Plasma t1/2 ≥2.73 h; Cmax ≥2.358 µg/mL; 5 mg/kg) or p.o. ( Plasma t1/2 ≥2.8 h; Cmax ≥871 ng/mL; 5 mg/kg).
Biochem/physiol Actions
Cell permeable: yes
Primary Target
Tankyrase 1/2
Reversible: yes
Packaging
Packaged under inert gas
Preparation Note
Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 6 months at -20°C.
Other Notes
Lau, T., et al. 2013. Cancer Res.73, 3132.
Voronkov, A., et al. 2013. J. Med. Chem.56, 3012.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Toxicity: Standard Handling (A)
| assay | ≥98% (HPLC) |
| Quality Segment | 100 |
| form | powder |
| manufacturer/tradename | Calbiochem® |
| storage condition | OK to freeze,protect from light |
| color | white |
| solubility | DMSO: 25 mg/mL |
| storage temp. | 2-8°C |
| SMILES string | [S](=O)(=O)(C)c1cnc(cc1)c2[n](c(nn2)\C=C\c4nnc([o]4)c5ccc(cc5)C#N)c3c(cccc3)Cl |
| InChI | 1S/C25H16ClN7O3S/c1-37(34,35)18-10-11-20(28-15-18)24-31-29-22(33(24)21-5-3-2-4-19(21)26)12-13-23-30-32-25(36-23)17-8-6-16(14-27)7-9-17/h2-13,15H,1H3/b13-12+ |
| InChI key | HIWVLHPKZNBSBE-OUKQBFOZSA-N |
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询价
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¥ 2013.69
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¥ 5887.85
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¥ 1956.41
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¥ 5167.58
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¥ 3335.66
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¥ 2666.57
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¥ 2617.87
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¥ 2617.87
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¥ 1301.36
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¥ 3031.24
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¥ 2452.91
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¥ 2406.69
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