.cp_wz tabla {borde superior: 1px sólido #ccc; borde izquierdo: 1px sólido #ccc; } .cp_wz table td {borde derecho: 1px sólido #ccc; borde inferior: 1px sólido #ccc; padding: 5px 0px 0px 5px;} .cp_wz table th {border-right: 1px solid #ccc; border-bottom: 1px solid #ccc; relleno: 5px 0px 0px 5px;} \ n Peso molecular: 607.62 Torin 1 es un potente inhibidor de mTORC1 / 2 con IC50 de 2 nM / 10 nM; exhibe una selectividad 1000 veces mayor para mTOR que PI3K. \ n Torin1 inhibe la fosforilación de los sustratos de mTORC1 y mTORC2 en las células a concentraciones de 2 y 10 nM, respectivamente. Además, Torin1 exhibe una selectividad de 1000 veces por mTOR sobre PI3K (EC50 = 1800 nM) y exhibe una selectividad de unión de 100 veces con respecto a otras 450 proteína quinasas. Torin1 provoca la detención del ciclo celular a través de un mecanismo resistente a la rapamicina que también es independiente de mTORC2. Torin1 altera los fenotipos dependientes de mTORC1 de manera más completa que la rapamicina. Las funciones de mTORC1 resistentes a la rapamicina son necesarias para la traducción dependiente del casquete. En un estudio reciente, se informó que Torin1 aumenta la secreción de neurotensina y la expresión génica a través de la activación de la vía MEK / ERK / c-Jun en la línea celular endocrina humana BON. Torin1 es eficaz a una dosis de 20 mg / kg en un modelo de xenoinjerto U87MG y demuestra una buena inhibición farmacodinámica de los efectores posteriores de mTOR en tejidos tumorales y periféricos.
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mTORC1 and mTORC2 in Vitro Kinase Assays
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To produce soluble mTORC1, HEK-293T cell lines that stably express N-terminally FLAG-tagged Raptor are generated using vesicular stomatitis virus G-pseudotyped MSCV retrovirus. For mTORC2, similar HeLa cells that stably express N-terminally FLAG-tagged Protor-1 are generated. Both complexes are purified by lysing cells in 50 mm HEPES, pH 7.4, 10 mm sodium pyrophosphate, 10 mm sodium β-glycerophosphate, 100 mm NaCl, 2 mm EDTA, 0.3% CHAPS. Cells are lysed at 4 °C for 30 min, and the insoluble fraction is removed by microcentrifugation at 13,000 rpm for 10 min. Supernatants are incubated with FLAG-M2 monoclonal antibody-agarose for 1 h and then washed three times with lysis buffer and once with lysis buffer containing a final concentration of 0.5 M NaCl. Purified mTORC1 is eluted with 100 μg/mL 3×FLAG peptide in 50 mm HEPES, pH 7.4, 100 mm NaCl. Eluate can be aliquoted and stored at -80 °C. Substrates S6K1 and Akt1 are purified. Kinase assays are performed for 20 min at 30 °C in a final volume of 20 μL consisting of the kinase buffer (25 mm HEPES, pH 7.4, 50 mm KCl, 10 mm MgCl2, 500 μm ATP) and 150 ng of inactive S6K1 or Akt1 as substrates. Reactions are stopped by the addition of 80 μL of sample buffer and boiled for 5 min. Samples are subsequently analyzed by SDS-PAGE and immunoblotting.
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Ensayo celular: [1]
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Cell lines
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MEFs
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Concentrations
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~250 nM
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Incubation Time
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4 days
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Method
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Cell viability is assessed with the CellTiter-Glo Luminescent Cell Viability Assay. On Day 0, 96-well plates are seeded with 500 cells per well and grown overnight. On Day 1, cells are treated with the appropriate compounds and subsequently analyzed on Days 3-5. For analysis, plates are incubated for 60 min at room temperature; 50 μL of CellTiter-Glo reagent is added to each well, and plates are mixed on an orbital shaker for 12 min. Luminescence is quantified on a standard plate luminometer.
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Estudio con animales: [2]
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Animal Models
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U87MG xenograft model
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Formulation
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Torin1 powder is first dissolved at 25 mg/mL in 100% N-methyl-2-pyrrolidone and subsequently diluted 1:4 with sterile 50% PEG400 to a final concentration of 5 mg/mL
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Dosages
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20 mg/kg
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Administration
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Administered via i.p. once daily
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Solubility
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30% PEG400/0.5% Tween80/5% propylene glycol,
30 mg/mL
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* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
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Conversión de diferentes modelos de animales basados en BSA (valor basado en datos del Borrador de Directrices de la FDA)
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Species
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Baboon
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Dog
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Monkey
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Rabbit
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Guinea pig
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Rat
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Hamster
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Mouse
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Weight (kg)
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12
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10
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3
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1.8
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0.4
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0.15
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0.08
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0.02
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Body Surface Area (m2)
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0.6
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0.5
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0.24
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0.15
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0.05
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0.025
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0.02
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0.007
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Km factor
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20
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20
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12
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12
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8
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6
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5
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3
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Animal A (mg/kg) = Animal B (mg/kg) multiplied by
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Animal B Km
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Animal A Km
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Por ejemplo, para modificar la dosis de resveratrol utilizada para un ratón (22,4 mg / kg) a una dosis basada en el BSA para una rata, multiplique 22,4 mg / kg por el factor Km para un ratón y luego divida por el factor Km para una rata. Este cálculo da como resultado una dosis equivalente para ratas de resveratrol de 11,2 mg / kg.
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Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×
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mouse Km(3)
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= 11.2 mg/kg
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rat Km(6)
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Información química
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Molecular Weight (MW)
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607.62
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Formula
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C35H28F3N5O2
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CAS No.
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1222998-36-8
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Storage
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3 years -20℃Powder
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6 months-80℃in solvent (DMSO, water, etc.)
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Synonyms
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Solubility (25°C) *
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In vitro
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DMSO
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2 mg/mL
(3.29 mM)
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Water
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<1 mg/mL
(
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Ethanol
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<1 mg/mL
(
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In vivo
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30% PEG400/0.5% Tween80/5% propylene glycol
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30 mg/mL
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* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
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Chemical Name
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Benzo[h]-1,6-naphthyridin-2(1H)-one, 1-[4-[4-(1-oxopropyl)-1-piperazinyl]-3-(trifluoromethyl)phenyl]-9-(3-quinolinyl)-
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Calculadora de molaridad Calculadora de dilución Calculadora de peso molecular
Grupos de Producto : PI3K / Akt / mTOR > Inhibidor de mTOR
