WHI-P154 is a potent JAK3 inhibitor with IC50 of 1.8 μM, no activity against JAK1 or JAK2, also inhibits EGFR, Src, Abl, VEGFR and MAPK, prevents Stat3, but not Stat5 phosphorylation.
|Cell lines||U87, U737|
|Preparation method||Seeding the cells into a 96-well plate at a density of 2.5×104 cells/well and incubating for 36 h at 37 ℃ before drug exposure. On the day of treatment, culture medium is carefully aspirated from the wells and replaced with fresh medium which contains the quinazoline compounds WHI-P154 at concentrations ranging from 0.1 μM to 250 μM. Using triplicate wells for each treatment. Incubating the cells with the compound for 24 hours to 36 hours at 37 ℃ in a humidified 5% CO2 atmosphere.10 μL of MTT (final concentration for each well, 0.5 mg/mL) is added, and the plate are incubated at 37 ℃ for 4 h. Than solubilized overnight at 37 ℃ in a solution containing 10% SDS in 0.01 M HCL. Mearsuring the absorbance of each well in a microplate reader at 570 nm.|
|Incubation time||24-36 h|
|Animal models||SCID Xenograft Model of Human Glioblastoma (U737)|
|Formulation||Dissolved in PBS|
|Dosages||0.5 mg/kg or 1 mg/kg for 10 days|
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.
|Solubility||DMSO 60 mg/mL|
|Related JAK Products|
Peficitinib (ASP015K, JNJ-54781532) is an orally bioavailable JAK inhibitor, with IC50s of 3.9, 5.0, 0.7 and 4.8 nM for JAK1, JAK2, JAK3 and Tyk2, respectively.
FLLL32 is a potent JAK2/STAT3 inhibitor with IC50 of <5 μM.
WHI-P97 is a JAK3 inhibitor with an estimated Ki value of 0.09 microM from modeling studies and a measured IC50 value of 2.5 microM in EGFR kinase inhibition assays.
SAR-20347 is a potent dual inhibitor of JAK1 and TYK2 with IC50 values of 23 and 0.6 nM, respectively.
Itacitinib, also known as INCB39110 or INCB039110, is a potent JAK1 tyrosine kinase inhibitor.
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