Rabusertib (LY2603618)

別名:IC-83

Rabusertib (LY2603618, IC-83) is a highly selective Chk1 inhibitor with potential anti-tumor activity in a cell-free assay. IC50=7 nM, showing approximately 100-fold more potent against Chk1 than against any of the other protein kinases evaluated. Rabusertib (LY2603618) induces cell cycle arrest, DNA damage response and autophagy in cancer cells. Rabusertib (LY2603618) induces bak-dependent apoptosis in AML cell lines.

Rabusertib (LY2603618)化学構造

CAS No. 911222-45-2

サイズ 価格(税別) 在庫状況
10mM (1mL in DMSO) JPY 37000 国内在庫あり
JPY 25500 国内在庫あり
JPY 104500 国内在庫あり
JPY 598500 国内在庫なし(納期7~10日)

代表番号: 045-509-1970|電子メール:[email protected]
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製品安全説明書

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Rabusertib (LY2603618)関連製品

シグナル伝達経路

Chk阻害剤の選択性比較

Cell Data

Cell Lines Assay Type Concentration Incubation Time 活性情報 PMID
A549 Function assay ~20 μM activates DNA damage sensor kinases 24928205
H1299 Function assay ~10 μM induces cell cycle arrest 24928205
A549 Function assay ~10 μM induces cell cycle arrest 24928205
Calu6 Kinase assay 3300 nM inhibits Chk1 activity 24114124
Hela Kinase assay 3300 nM inhibits Chk1 activity 24114124
MCF7 Kinase assay 1 μM inhibits P-CHK1 levels 23917378
BT474 Kinase assay 1 μM inhibits P-CHK1 levels 23917378
H1299 Function assay ~20 μM activates DNA damage sensor kinases 24928205
A549 Apoptosis assay ~20 μM induces apoptosis 24928205
H1299 Apoptosis assay ~20 μM induces apoptosis 24928205
A549 Cytoxicity assay ~20 μM induces autophagy 24928205
H1299 Cytoxicity assay ~20 μM induces autophagy 24928205
A549 Function assay ~20 μM increases JNK and p38 MAPK phosphorylation 24928205
H1299 Function assay ~20 μM increases JNK and p38 MAPK phosphorylation 24928205
OHS-50 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for OHS-50 cells 29435139
SJ-GBM2 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SJ-GBM2 cells 29435139
SK-N-MC qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-MC cells 29435139
NB-EBc1 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for NB-EBc1 cells 29435139
LAN-5 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for LAN-5 cells 29435139
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生物活性

製品説明 Rabusertib (LY2603618, IC-83) is a highly selective Chk1 inhibitor with potential anti-tumor activity in a cell-free assay. IC50=7 nM, showing approximately 100-fold more potent against Chk1 than against any of the other protein kinases evaluated. Rabusertib (LY2603618) induces cell cycle arrest, DNA damage response and autophagy in cancer cells. Rabusertib (LY2603618) induces bak-dependent apoptosis in AML cell lines.
Targets
Chk1 [1]
(Cell-free assay)
7 nM
In Vitro
In vitro

Chk1 is an ATP-dependent serine-threonine kinase and a key component in the DNA replication-monitoring checkpoint system activated by double-stranded breaks (DSBs). Chk1 contributes to all currently defined cell cycle checkpoints, including G1/S, intra-S-phase, G2/M, and the mitotic spindle checkpoint. By inhibiting the activity of chk1, LY2603618 prevents the repair of DNA caused by DNA-damaging agents, thus potentiating the antitumor efficacies of various chemotherapeutic agents. However, preclinical data involving LY2603618 has not been published until now. [1]

Inhibition of Chk1 is predicted to enhance the effects of antimetabolites. [2]

LY2603618 treatment impairs DNA synthesis, increases DNA damage (via mitotic defects), induces apoptosis, and has synergistic activity, especially in p53 mutant tumor cells. [3]

細胞実験 細胞株 A549 and H1299 cell
濃度 5 or 10 μM
反応時間 24 h
実験の流れ

Cells were treated with LY2603618 and DMSO as a control. After trypsinization, cells were fixed in 70 % ethanol at 4 C overnight. The cells were washed twice with PBS and incubated for 30 min in the dark in PBS containing propidium iodide (PI) and RNase A. Stained cells were analyzed by a FACScan flow cytometry and CellQuest analysis software.

実験結果図 Methods Biomarkers 結果図 PMID
Western blot p-Chk1 / Chk1 / CDC25A PARP / CF-PARP / p-CDC25C / p-CDK1 / p-CDK2 29326282
Growth inhibition assay Cell viability 29326282
In Vivo
In Vivo

In xenograft models, LY2603618 delays tumor growth when given in combination. [3]

動物実験 動物モデル Male Wistar rats
投与量 50 mg/kg
投与経路 i.p.
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT01341457 Completed
Solid Tumors
Eli Lilly and Company
May 2011 Phase 1
NCT01296568 Completed
Advanced Cancer
Eli Lilly and Company
February 2011 Phase 1
NCT01139775 Completed
Non Small Cell Lung Cancer
Eli Lilly and Company
February 2011 Phase 1|Phase 2
NCT00988858 Completed
Non Small Cell Lung Cancer
Eli Lilly and Company
November 2009 Phase 2
NCT00839332 Completed
Pancreatic Neoplasms
Eli Lilly and Company
February 2009 Phase 1|Phase 2

化学情報

分子量 436.3 化学式

C18H22BrN5O3

CAS No. 911222-45-2 SDF Download Rabusertib (LY2603618) SDFをダウンロードする
Smiles CC1=CC(=C(C=C1Br)NC(=O)NC2=NC=C(N=C2)C)OCC3CNCCO3
保管

In vitro
Batch:

DMSO : 22 mg/mL ( (50.42 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。)

Water : Insoluble

Ethanol : 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

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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