- GSK-343; GSK 343,GSK343
GSK343 is a potent and selective EZH2 inhibitor with IC50 of 4 nM, showing 60 fold selectivity against EZH1, and >1000 fold selectivity against other histone methyltransferases.
Store at -20℃ for one year（Powder）；Store at 2-4℃ for two weeks；Store at -20℃ for six months after dissolution.
GSK-343; GSK 343,GSK343
DMF 10 mg/mL warmed (18.46 mM)
Ethanol 4 mg/mL (7.38 mM)
DMSO <1 mg/mL warmed
GSK343 inhibits trimethylation of H3K27 (H3K27me3) with IC50 of 174 nM in HCC1806 breast cancer cells. GSK343 potently inhibits cell proliferation in breast cancer cells and prostate cancer cells, and the prostate cancer cell line LNCaP is the most sensitive to GSK343, with IC50 of 2.9 μM. GSK343 significantly suppresses the growth of EOC cells cultured in 3D matrigel extracellular matrix (ECM), which mimics the tumor microenvironment in vivo. In addition, GSK343 also induces apoptosis of EOC cells in 3D and significantly inhibits the invasion of EOC cells.
Compare with the controls, GSK343 (5 mg/kg)-treated mice exhibits significantly inhibited tumor growth. The average tumor volume and weight of the GSK343-treated cohort is remarkably reduced. As early as 20 days post-implantation, a significant reduction in tumor growth is observed in the GSK343-treated cohort relative to the control cohort; this difference persisted through the remainder of the study. In addition, compare with the control cohort, the GSK343-treated animals in the xenograft model show a remarkable increase in messenger RNA levels of E-cadherin but a significant decrease in vimentin messenger RNA levels.
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