ホームページ JAK/STAT JAK inhibitor S-Ruxolitinib (INCB018424) For research use only.

S-Ruxolitinib (INCB018424)

S-Ruxolitinib is the chirality of INCB018424, which is the first potent, selective, JAK1/2 inhibitor to enter the clinic with IC50 of 3.3 nM/2.8 nM, >130-fold selectivity for JAK1/2 versus JAK3. Phase 3.

S-Ruxolitinib (INCB018424)化学構造

CAS No. 941685-37-6

サイズ 価格(税別) 在庫状況
JPY 22300 国内在庫あり
JPY 35500 国内在庫あり
JPY 598500 国内在庫なし(納期7~10日)

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S-Ruxolitinib (INCB018424)関連製品

シグナル伝達経路

JAK Signaling Pathways

JAKシグナル伝達経路

JAK阻害剤の選択性比較

生物活性

製品説明 S-Ruxolitinib is the chirality of INCB018424, which is the first potent, selective, JAK1/2 inhibitor to enter the clinic with IC50 of 3.3 nM/2.8 nM, >130-fold selectivity for JAK1/2 versus JAK3. Phase 3.
Targets
JAK2 [1]
(Cell-free assay)		 JAK1 [1]
(Cell-free assay)		 TYK2 [1]
(Cell-free assay)
2.8 nM 3.3 nM 19 nM
In Vitro
In vitro INCB018424 potently and selectively inhibits JAK2V617F-mediated signaling and proliferation in Ba/F3 cells and HEL cells. INCB018424 markedly increases apoptosis in a dose dependent manner in Ba/F3 cells. INCB018424 (64 nM) results in a doubling of cells with depolarized mitochondria in Ba/F3 cells. INCB018424 inhibits proliferating of erythroid progenitors from normal donors and polycythemia vera patients with IC50 of 407 nM and 223 nM, respectively. INCB018424 demonstrates remarkable potency against erythroid colony formation with IC50 of 67nM. [1]
Kinase Assay Binding assay
Recombinant proteins are expressed using Sf21 cells and baculovirus vectors and purified with affinity chromatography. JAK kinase assays use a homogeneous time-resolved fluorescence assay with the peptide substrate (-EQEDEPEGDYFEWLE). Each enzyme reaction is carried out with Ruxolitinib or control, JAK enzyme, 500 nM peptide, adenosine triphosphate (ATP; 1mM), and 2% dimethyl sulfoxide (DMSO) for 1 hour. The 50% inhibitory concentration (IC50) is calculated as INCB018424 concentration required for inhibition of 50% of the fluorescent signal.
細胞実験 細胞株 Ba/F3 and HEL cells
濃度 3 μM
反応時間 48 hours
実験の流れ Cells are seeded at 2 × 103/well of white bottom 96-well plates, treated with INCB018424 from DMSO stocks (0.2% final DMSO concentration), and incubated for 48 hours at 37 ℃ with 5% CO2. Viability is measured by cellular ATP determination using the Cell-Titer Glo luciferase reagent or viable cell counting. Values are transformed to percent inhibition relative to vehicle control, and IC50 curves are fitted according to nonlinear regression analysis of the data using PRISM GraphPad.
In Vivo
In Vivo INCB018424 (180 mg/kg, orally, twice a day) results in survive rate of greater than 90% by day 22 in a JAK2V617F-driven mouse model. INCB018424 (180 mg/kg, orally, twice a day) markedly reduces splenomegaly and circulating levels of inflammatory cytokines, and preferentially eliminated neoplastic cells, resulting in significantly prolonged survival without myelosuppressive or immunosuppressive effects in a JAK2V617F-driven mouse model. [1] The primary end point is reached in 41.9% of patients in the Ruxolitinib group as compared with 0.7% in the placebo group in the double-blind trial of myelofibrosis. Ruxolitinib results in maintaining of reduction in spleen volume and improvement of 50% or more in the total symptom score. [2] A total of 28% of the patients in the Ruxolitinib (15 mg twice daily) group has at least a 35% reduction in spleen volume at week 48 in patients with myelofibrosis, as compared with 0% in the group receiving the best available therapy. The mean palpable spleen length has decreased by 56% with Ruxolitinib but has increased by 4% with the best available therapy at week 48. Patients in the ruxolitinib group has an improvement in overall quality-of-life measures and a reduction in symptoms associated with myelofibrosis. [3]
動物実験 動物モデル JAK2V617F-driven mouse model
投与量 180 mg/kg
投与経路 Oral gavage
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT06310304 Active not recruiting
Healthy Participants
Incyte Corporation
 March 26 2024 Phase 1
NCT02596347 Completed
Chronic Beryllium Disease (CBD)|Beryllium Sensitization (BeS)
National Jewish Health
 April 2015 --
NCT00617994 Completed
Psoriasis
Incyte Corporation
 August 31 2007 Phase 2

化学情報

分子量 306.37 化学式

C17H18N6
CAS No. 941685-37-6 SDF Download S-Ruxolitinib (INCB018424) SDFをダウンロードする
Smiles C1CCC(C1)C(CC#N)N2C=C(C=N2)C3=C4C=CNC4=NC=N3
保管

In vitro
Batch:

DMSO : 61 mg/mL ( (199.1 mM)； 吸湿したDMSOは溶解度を減少させます。新しいDMSOをご使用ください。)

Ethanol : 61 mg/mL

Water : Insoluble

モル濃度計算器

in vivo
Batch:

Add solvents to the product individually and in order.

投与溶液組成計算機

実験計算

モル濃度計算器

質量 濃度 体積 分子量

投与溶液組成計算機(クリア溶液)

ステップ１：実験データを入力してください。（実験操作によるロスを考慮し、動物数を1匹分多くして計算・調製することを推奨します）

mg/kg g μL 匹

ステップ２：投与溶媒の組成を入力してください。（ロット毎に適した溶解組成が異なる場合があります。詳細については弊社までお問い合わせください）

% DMSO % % Tween 80 % ddH2O
%DMSO %

計算結果：

投与溶媒濃度： mg/ml;

DMSOストック溶液調製方法： mg 試薬を μL DMSOに溶解する（濃度 mg/mL, 注：濃度が当該ロットのDMSO溶解度を超える場合はご連絡ください。 )

投与溶媒調製方法：Take μL DMSOストック溶液に μL PEG300，を加え、完全溶解後μL Tween 80，を加えて完全溶解させた後 μL ddH2O，を加え完全に溶解させます。

投与溶媒調製方法：μL DMSOストック溶液に μL Corn oil，を加え、完全溶解。

注意：１.ストック溶液に沈殿、混濁などがないことをご確認ください；
２.順番通りに溶剤を加えてください。次のステップに進む前に溶液に沈殿、混濁などがないことを確認してから加えてください。ボルテックス、ソニケーション、水浴加熱など物理的な方法で溶解を早めることは可能です。

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