產(chǎn)品目錄

規(guī)格	10mM (in 1mL DMSO)5mg 10mg 50mg 200mg
CAS	1229236-86-5
別名	N/A
化學(xué)名	3-[(4-chloro-2-fluorophenyl)methyl]-2-methyl-N-(5-methyl-1H-pyrazol-3-yl)-8-(morpholin-4-ylmethyl)imidazo[1,2-b]pyridazin-6-amine
分子式	C23H25ClFN7O
分子量	469.94
溶解度	≥ 23.5 mg/mL in DMSO, ≥ 5.65 mg/mL in EtOH with ultrasonic and warming
儲存條件	Store at -20°C
General tips	For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping Condition	Evaluation sample solution : ship with blue ice All other available size: ship with RT , or blue ice upon request

產(chǎn)品描述：

LY2784544 is a potent, selective inhibitor of JAK2 with IC50 value of 3 nM.[1]

Janus kinase 2 (JAK2) belongs to the Janus kinase family and is a member of the type II cytokine receptor family. It is a non-receptor tyrosine kinase. The JAK2 mutation (V617F) within the autoinhibitory pseudokinase domain results in a gain-of-function activation of JAK2.The JAK2V617F mutant results in subsequent phosphorylation of signal transducer and activator of transcription 5 (STAT5). Then, STAT5 regulates the transcription of genes associated with cell growth, death and differentiation. The JAK2V617F mutant is oncogenic in cells, and sufficient for generating the myeloproliferative neoplasms (MPN) phenotypes in murine models. Mutant JAK2 kinase is an attractive therapeutic target for the therapy of MPNs. To selectively inhibit JAK2V617F but minimizing inhibition of wild-type JAK2 would be an optimal treatment approach.

LY2784544 is a potent and ATP-competitive inhibitor of JAK2 tyrosine kinase. LY2784544 has 8- and 16-fold selectivity for JAK2 than JAK1 and JAK3, respectively. LY2784544 more effective on inhibiting the phosphorylation of STAT5 in Ba/F3-TEL-JAK2 cells than in Ba/F3-TEL- JAK3 and –JAK1 cells with IC 50 of 0.191 (JAK2), 2.904 (JAK1) and 4.744 nM (JAK3). LY2784544 significantly inhibited STAT5 phosphorylation at a concentration range from 50 nM–20 nM in Ba/F3 cells expressing JAK2V617F. On the other hand, LY2784544 showed minimal inhibition of STAT5 phosphorylation at 50 and 200 nM concentrations in IL-3-stimulated Ba/F3 cells which express wild-type JAK2. LY2784544 significantly inhibited the cell proliferation of JAK2V617F-expressing cells with IC50 ＝55 nM. In JAK2V617F-expressing cells, LY2784544 induced apoptosis with EC50±s.d.of 113±0.023 nM measured by Caspase3/7-glo assays.[1]

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原創(chuàng)作者：上海莼試生物技術(shù)有限公司

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