EOAI3402143 is a dose-dependent inhibitor of Usp9x, Usp24 and Usp5 that increases tumor cell apoptosis, and fully blocks or regresses myeloma tumors in mice.
EOAI3402143 is a dose-dependent inhibitor of Usp9x, Usp24 and Usp5 that increases tumor cell apoptosis, and fully blocks or regresses myeloma tumors in mice.
[1] Luke F Peterson, et al. Blood. 2015 Jun 4;125(23):3588-97. [2] Harish Potu, et al. Oncotarget. 2014 Jul 30;5(14):5559-69.
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Cell experiment: |
UM-2, UM-6, UM-16, and UM-76 cells are seeded in a 96-well plate at 5000 per well in the presence of the indicated concentration of EOAI3402143 (1, 2, 3, 4, and 5 μM) for 3 days in a CO2 incubator at 37°C. Twenty microliters of 5 g/L MTT solution are added to each well for 2 hours at 37°C. The cells are then lysed in 10% SDS buffer, and absorbance at 570 nm relative to a reference wavelength of 630 nm is determined with a microplate reader. To examine proliferation using the MTT assay, cells are plated in triplicates, and the samples are processed for MTT assay at day 0, 1, 2, 3, and 4[3]. |
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Animal experiment: |
Mice[3]NSG [NOD/SCID/IL2r-g (null)] mice are injected mid-dorsally with 2×106 8041 or 5×106 MIAPACA2 cells in 0.1 mL of Matrigel/DMEM suspension. Tumors are allowed to establish to about 100 mm3, after which mice are tumor size matched and allocated to five per treatment group (vehicle or EOAI3402143) for 8041 tumor-bearing mice and four per treatment group for MIAPACA2 tumor-bearing mice. EOAI3402143 is administered in DMSO:PEG300 (1:1) by i.p injection every other day at 15 mg/kg. Tumor size is monitored by caliper measurements twice a week, and tumor volume is calculated[3]. |
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参考文献: [1]. Potu H, et al. Usp5 links suppression of p53 and FAS levels in melanoma to the BRAF pathway. Oncotarget. 2014 Jul 30;5(14):5559-69. |
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