Date published: 2026-8-19

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GSK-3β Inhibitor XII, TWS119 (CAS 601514-19-6)

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Alternate Names:
3-[[6-(3-Aminophenyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]oxy]phenol; TWS-119
Application:
GSK-3β Inhibitor XII, TWS119 is a cell-permeable agent shown to act as a potent inhibitor of GSK-3β
CAS Number:
601514-19-6
Purity:
≥90%
Molecular Weight:
318.33
Molecular Formula:
C18H14N4O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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GSK-3beta Inhibitor XII, TWS119 is a cell-permeable pyrrolopyrimidine compound that may act to act as a potent inhibitor of GSK-3beta (IC50 = 30 nM). In addition, GSK-3beta Inhibitor XII, TWS119 is thought to bind GSK-3beta with high-affinity (Kd = 126 nM) and increases the level of beta-catenin, a downstream substrate of GSK-3beta in the Wnt signaling pathway. This activity may act to selectively induce neuronal differentiation in both embryonic stem cells (D3 50-60% at 400 nM) and pluripotent murine embryonal carcinoma cells (P19 30-40% at 1muM). As result of GSK-3beta Inhibitor XII, TWS119 T cell-specific killing and IFN-g release are reduced via preservation of IL-2 production.


GSK-3β Inhibitor XII, TWS119 (CAS 601514-19-6) References

  1. Synthetic small molecules that control stem cell fate.  |  Ding, S., et al. 2003. Proc Natl Acad Sci U S A. 100: 7632-7. PMID: 12794184
  2. Canonical Wnt signaling maintains the quiescent stage of hepatic stellate cells.  |  Kordes, C., et al. 2008. Biochem Biophys Res Commun. 367: 116-23. PMID: 18158920
  3. GSK-3β negatively regulates megakaryocyte differentiation and platelet production from primary human bone marrow cells in vitro.  |  Ono, M., et al. 2011. Platelets. 22: 196-203. PMID: 21231855
  4. Lithium Attenuates TGF-β(1)-Induced Fibroblasts to Myofibroblasts Transition in Bronchial Fibroblasts Derived from Asthmatic Patients.  |  Michalik, M., et al. 2012. J Allergy (Cairo). 2012: 206109. PMID: 22988467
  5. Potential Role of Glycogen Synthase Kinase-3β in Regulation of Myocardin Activity in Human Vascular Smooth Muscle Cells.  |  Zhou, YX., et al. 2016. J Cell Physiol. 231: 393-402. PMID: 26129946
  6. GSK-3β inhibitor TWS119 attenuates rtPA-induced hemorrhagic transformation and activates the Wnt/β-catenin signaling pathway after acute ischemic stroke in rats.  |  Wang, W., et al. 2016. Mol Neurobiol. 53: 7028-7036. PMID: 26671619
  7. GSK-3β as a target for protection against transient cerebral ischemia.  |  Wang, W., et al. 2017. Int J Med Sci. 14: 333-339. PMID: 28553165
  8. Wnt pathway activator TWS119 enhances the proliferation and cytolytic activity of human γδT cells against colon cancer.  |  Chen, YQ., et al. 2018. Exp Cell Res. 362: 63-71. PMID: 29104081
  9. Effects of Glycogen Synthase Kinase-3β Inhibitor TWS119 on Proliferation and Cytokine Production of TILs From Human Lung Cancer.  |  Tang, YY., et al. 2018. J Immunother. 41: 319-328. PMID: 29877972
  10. The PI3K/Akt/GSK-3β/ROS/eIF2B pathway promotes breast cancer growth and metastasis via suppression of NK cell cytotoxicity and tumor cell susceptibility.  |  Jin, F., et al. 2019. Cancer Biol Med. 16: 38-54. PMID: 31119045
  11. GSK-3β inhibitor TWS119 alleviates hypoxic-ischemic brain damage via a crosstalk with Wnt and Notch signaling pathways in neonatal rats.  |  Gao, L., et al. 2021. Brain Res. 1768: 147588. PMID: 34310937
  12. Premise and peril of Wnt signaling activation through GSK-3β inhibition.  |  Law, SM. and Zheng, JJ. 2022. iScience. 25: 104159. PMID: 35434563
  13. GSK-3β/β-catenin pathway plays crucial roles in the regulation of NK cell cytotoxicity against myeloma cells.  |  Ren, J., et al. 2023. FASEB J. 37: e22821. PMID: 36794671

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

GSK-3β Inhibitor XII, TWS119, 1 mg

sc-221694
1 mg
$62.00

GSK-3β Inhibitor XII, TWS119, 5 mg

sc-221694A
5 mg
$161.00