GSK2879552 is an orally available, irreversible, inhibitor of lysine specific demethylase 1 (LSD1), with potential antineoplastic activity.

>98%

Store at -20℃ for one year（Powder）；Store at 2-4℃ for two weeks；Store at -20℃ for six months after dissolution.

GSK-2879552,GSK 2879552

Powder

Water 44 mg/mL (100.59 mM)

DMSO 29 mg/mL (66.3 mM)

Histone Demethylase

GSK2879552 inhibits KDM1A histone demethylase activity, inducing differentiation of sorafenib-resistant cells and attenuates stemness properties. GSK2879552 derepresses the transcription of Wnt antagonists and downregulates β-catenin signaling activity in sorafenib-resistant cells. GSK2879552 is 280-fold selective over D-amino acid oxidase, allowing for direct comparison of inactivation efficiency (KIapp=520 ± 170 μM, kinact=0.12 ± 0.01 min−1, kinact/KIapp=2.3×10-4 ± 1.31×10-5 min-1 μM-1). GSK2879552 inhibits the growth of 9/28 small cell lung carcinoma (SCLC) lines and 20/29 AML lines, with EC50 of 2-240 nM.

GSK2879552 (1.5 mg/kg, p.o.) treatment exhibits tumor growth inhibition in SCLC xenograft bearing mice. There is 57% and 83% tumor growth inhibition (TGI) in NCI-H526 and NCI-H1417 tumor bearing mice respectively. NCI-H510 and NCI-H69 tumor bearing mice also demonstrate partial TGI (38% and 49% respectively) in response to GSK2879552, while no significant TGI is observed for SHP77 bearing mice.

GSK2292767 is a potent and selective PI3Kδ inhibitor.

＞98%

Store at -20℃ for one year（Powder）；Store at 2-4℃ for two weeks；Store at -20℃ for six months after dissolution.

体外:
DMSO 100mg/mL(195.09mM)
Water <1mg>Ethanol <1mg>

[1] Down K, et al. J Med Chem. 2015, 58(18):7381-7399.

GSK923295 is a first-in-class, specific allosteric inhibitor of CENP-E kinesin motor ATPase with Ki of 3.2 nM, and less potent to mutant I182 and T183. Phase 1.

>98%

Store at -20℃ for one year（Powder）；Store at 2-4℃ for two weeks；Store at -20℃ for six months after dissolution.

GSK-923295,GSK923295

Powder

DMSO 100 mg/mL (168.88 mM)

Ethanol 100 mg/mL (168.88 mM)

CENP-E

GSK923295 is the first potent and selective inhibitor of the mitotic kinesin centromere-associated protein-E (CENP-E). GSK923295 is uncompetitive with both ATP and microtubules (MT), inhibiting CENP-E MT-stimulated ATPase activity with a Ki of 3.2 nM, highly selective over other kinesins. GSK923295 inhibits release of inorganic phosphate and stabilizes CENP-E motor domain interaction with microtubules, reduces the rate of ATP-promoted dissociation of CENP-E from MT (koff, MT) by more than 50-fold. GSK923295 causes failure of metaphase chromosome alignment and induces mitotic arrest. GSK923295 is a potent inhibitor of tumor cell growth, with an average GI50 of 253 nM and a median GI50 of 32 nM for 237 tumor cell lines. GSK923295 inhibits tumor cell growth more effectively when mitogen-activated protein kinase (MEK/ERK) signaling is also inhibited.

GSK923295 produces clear increases in the abundance of mitotic figures and scattered apoptotic bodies in tumors. GSK923295 causes a dose-dependent increase in the ratio of 4n to 2n nuclei. GSK923295 exhibits robust, dose-dependent antitumor activity against Colo205 xenografts, including partial and complete regressions at the 125 mg/kg dose. GSK923295 demonstrates significant antitumor activity against solid tumor models, inducing CRs in Ewing sarcoma, rhabdoid, and rhabdomyosarcoma xenografts, may be a valuable therapeutic target in pediatric cancer.