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Rabusertib (LY2603618) CHK1 Inhibitor

Name: Rabusertib (LY2603618)
Brand: Selleck Chemicals
SKU: S2626
Rating: 5 (102 reviews)

Cat. No.: S2626

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) Chk inhibitor Chemical Structure

Estructura química

Peso molecular: 436.3

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Control de calidad (Quality Control)

Lote: Pureza: 99.99%

99.99

Dianas relacionadas	CDK HSP PD-1/PD-L1 ROCK Wee1 DNA/RNA Synthesis Microtubule Associated Ras KRas Aurora Kinase
Otros Chk Inhibidores	Prexasertib (LY2606368) Dihydrochloride CCT245737 (SRA737) AZD7762 MK-8776 (SCH 900776) CHIR-124 PF-477736 Prexasertib (LY2606368) BML-277 (Chk2 Inhibitor II) GDC-0575 SAR-020106

Cultivo celular, tratamiento y concentración de trabajo
(Cell Culture, Treatment & Working Concentration)

Líneas celulares	Tipo de ensayo	Concentración	Formulación	Descripción de la actividad	PMID
BT474	Kinase assay	1 μM	DMSO	inhibits P-CHK1 levels	23917378
MCF7	Kinase assay	1 μM	DMSO	inhibits P-CHK1 levels	23917378
Hela	Kinase assay	3300 nM	DMSO	inhibits Chk1 activity	24114124
Calu6	Kinase assay	3300 nM	DMSO	inhibits Chk1 activity	24114124
A549	Function assay	~10 μM	DMSO	induces cell cycle arrest	24928205
H1299	Function assay	~10 μM	DMSO	induces cell cycle arrest	24928205
A549	Function assay	~20 μM	DMSO	activates DNA damage sensor kinases	24928205
H1299	Function assay	~20 μM	DMSO	activates DNA damage sensor kinases	24928205
A549	Apoptosis assay	~20 μM	DMSO	induces apoptosis	24928205
H1299	Apoptosis assay	~20 μM	DMSO	induces apoptosis	24928205
A549	Cytoxicity assay	~20 μM	DMSO	induces autophagy	24928205
H1299	Cytoxicity assay	~20 μM	DMSO	induces autophagy	24928205
A549	Function assay	~20 μM	DMSO	increases JNK and p38 MAPK phosphorylation	24928205
H1299	Function assay	~20 μM	DMSO	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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Información química, almacenamiento y estabilidad (Chemical Information, Storage & Stability)

Peso molecular	436.3	Fórmula	C₁₈H₂₂BrN₅O₃	Almacenamiento (Desde la fecha de recepción)	3 años-20°Cpolvo
Nº CAS	911222-45-2	Descargar SDF		Almacenamiento de soluciones madre	1 año-80°Cen disolvente 1 mes-20°Cen disolvente
Sinónimos	IC-83			Smiles	CC1=CC(=C(C=C1Br)NC(=O)NC2=NC=C(N=C2)C)OCC3CNCCO3

Solubilidad (Solubility)

In vitro
Lote:

DMSO : 22 mg/mL (50.42 mM)
(El DMSO contaminado con humedad puede reducir la solubilidad. Usar DMSO fresco y anhidro.)

Water : Insoluble

Ethanol : Insoluble

Calculadora de Molaridad

Masa	Concentración	Volumen	Peso molecular
=	×	×

Calculadora de Dilución Calculadora de Peso Molecular

In vivo Lote:
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Clear solution	5%DMSO 1 40%PEG300 2 5%Tween80 3 50%ddH2O Validado por los laboratorios Selleck. Si necesita ajustes en esta formulación, contacte con nuestro equipo de ventas para pruebas personalizadas.	1.000mg/ml (2.29mM)	Taking the 1 mL working solution as an example, add 50 μL of 20 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.

Calculadora de formulación in vivo (Solución clara)

Paso 1: Introduzca la información a continuación (Recomendado: Un animal adicional para tener en cuenta la pérdida durante el experimento)

Dosis: mg/kg Peso promedio de los animales: g Volumen de dosificación por animal:μL Número de animales:

Paso 2: Introduzca la formulación in vivo (Esto es solo la calculadora, no la formulación. Por favor, contáctenos primero si no hay una formulación in vivo en la sección de Solubilidad.)

% DMSO + % + % Tween 80 + % ddH₂O

%DMSO+ %

Resultados del cálculo:

Concentración de trabajo: mg/ml;

Método para preparar el líquido maestro de DMSO: mg fármaco predissuelto en μL DMSO ( Concentración del líquido maestro mg/mL, Por favor, contáctenos primero si la concentración excede la solubilidad del DMSO del lote del fármaco. )

Método para preparar la formulación in vivo: Tomar μL DMSO líquido maestro, luego añadirμL PEG300, mezclar y clarificar, luego añadirμL Tween 80, mezclar y clarificar, luego añadir μL ddH₂O, mezclar y clarificar.

Método para preparar la formulación in vivo: Tomar μL DMSO líquido maestro, luego añadir μL Aceite de maíz, mezclar y clarificar.

Nota: 1. Por favor, asegúrese de que el líquido esté claro antes de añadir el siguiente disolvente.
2. Asegúrese de añadir el (los) disolvente(s) en orden. Debe asegurarse de que la solución obtenida, en la adición anterior, sea una solución clara antes de proceder a añadir el siguiente disolvente. Se pueden utilizar métodos físicos como el vórtice, el ultrasonido o el baño de agua caliente para ayudar a la disolución.

Mecanismo de acción (Mechanism of Action)

Targets/IC₅₀/Ki	Chk1 (Cell-free assay) 7 nM
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, this compound prevents the repair of DNA caused by DNA-damaging agents, thus potentiating the antitumor efficacies of various chemotherapeutic agents. However, preclinical data involving this compound has not been published until now. Inhibition of Chk1 is predicted to enhance the effects of antimetabolites. This chemical treatment impairs DNA synthesis, increases DNA damage (via mitotic defects), induces apoptosis, and has synergistic activity, especially in p53 mutant tumor cells.
In vivo	In xenograft models, this compound delays tumor growth when given in combination.
Referencias	[1] https://pubmed.ncbi.nlm.nih.gov/24114124/ [2] http://mct.aacrjournals.org/cgi/content/short/10/11_MeetingAbstracts/A94?rss=1 [3] https://pubmed.ncbi.nlm.nih.gov/22005528/ [4] https://pubmed.ncbi.nlm.nih.gov/24928205/ [5] https://pubmed.ncbi.nlm.nih.gov/33027721/

Aplicaciones (Applications)

Métodos	Biomarcadores	Imágenes	PMID
Western blot	p-Chk1 / Chk1 / CDC25A PARP / CF-PARP / p-CDC25C / p-CDK1 / p-CDK2		29326282
Growth inhibition assay	Cell viability		29326282

Información del ensayo clínico (Clinical Trial Information)

(datos de https://clinicaltrials.gov, actualizado el 2024-05-22)

Número NCT	Reclutamiento	Condiciones	Patrocinador/Colaboradores	Fecha de inicio	Fases
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

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