Everolimus (RAD001) 化学構造
分子量: 958.22

品質と確認

製品表彰状(29)

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Quality Control & MSDS

製品情報

  • Compare mTOR Inhibitors
    mTOR阻害剤を比較
  • 研究分野
  • Combination Therapy
    併用療法

製品の説明

生物活性

情報 Everolimus (RAD001) は、1.6-2.4nMのIC50によるFKBP12のmTOR阻害剤です。
目標 mTOR (FKBP12)
IC50 1.6-2.4 nM [1]
In vitro試験 Everolimus exhibits the immunosuppressive activity which is comparable to that of rapamycin. Everolimus competes with immobilized FK 506 for binding to biotinylated FKBP12 and shows the inhibitory effect on a two-way MLR performed with spleen cells from BALB/c and CBA mice with IC50 of 0.12-1.8 nM. [1] Everolimus also shows antiangiogenic/vascular effects in VEGF-induced HUVEC proliferation with IC50 of 0.12 nM and bFGF-induced HUVEC proliferation with IC50 of 0.8 nM, respectively. [2] A recent study shows that Everolimus shows a dose-dependent inhibitory effects on both the total cells and the stem cells from the BT474 cell line and the primary breast cancer cells with IC50 of 156 nM in total cells of primary breast cancer cells and 71 nM in total cells of BT474 cells. In addition, combination treatment with Everolimus and trastuzumab produces the significantly increased inhibition on the growth of cancer stem cells with the inhibition rate increased by more than 50 %. [3]
In vivo試験 Everolimus (0.1 to 10 mg/kg) dose-dependently inhibits growth of the primary (ear) and lymph node metastases of B16/BL6 melanoma, with decreased total number of vessels and reduced mature vessels. [2] In a xenograft animal model of BT474 stem cells, Everolimus shows significant reductions in mean tumor sizes (590.6 mm3), compared to the control group with a tumor size of 698 mm3. Furthermore, combination treatment with Everolimus and trastuzumab significantly decreases the xenograft tumor size (410.8 mm3) more than Everolimus treatment alone. [3]
臨床試験 Everolimus is currently in Phase I clinical trials in patients with Unspecified Adult Solid Tumor.
特集

推薦された実験操作 (公開の文献だけ)

キナーゼアッセイ: [1]

FKBP12 binding assay & Mixed lymphocyte reaction (MLR) FKBP12 binding assay: Binding to the FK 506 binding protein (FKBP12) is indirectly assessed by means of an ELISA-type competition assay. FK 506 is included in each individual experiment as a standard, and the inhibitory activity is expressed as relative IC50 compared to FK 506 (rIC50 = IC50 Everolimus/IC50 FK 506). Mixed lymphocyte reaction (MLR): The immunosuppressive activities of RAP and its derivatives are assessed in a two-way MLR, using spleen cells of BALB/c and CBA mice. RAP is included in each individual experiment as a standard, and the inhibitory activity is expressed as relative IC50 compared to RAP (rIC50 = IC50 Everolimus/IC50 RAP).

細胞アッセイ: [3]

細胞系 BT474 cell line and the primary breast cancer cells
濃度 0.001-10 μM
処理時間 24 hours
方法 The 3-(4-5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide dye reduction assay (MTT assay) is used to compare the effects of Everolimus or trastuzumab on total breast cancer cells and breast CSCs. The total cells and the stem cells from the BT474 cell line and the primary breast cancer cells are respectively seeded into 96-well plates with different concentrations of the drugs, with five wells for each concentration, and the cells are cultured at 37 °C with 5 % CO2 in an incubator for 24 hours. The concentrations of Everolimus are 1 nM, 10 nM, 100 nM, 1 μM and 10 μM, and the concentrations of trastuzumab are 0.5 μg/mL, 1 μg/mL, 10 μg/mL, 50 μg/mL, and 100 μg/mL. The combinatorial inhibitory effect of Everolimus and Trastuzumab on the in vitro growth of breast CSCs is examined by MTT assay as well using 10 μg/mL trastuzumab in combination of increasing concentrations of everolimus (1 nM, 10 nM, 100 nM and 1 μM). After drug treatment for 24 hours, 20 μL MTT [5 mg/mL in phosphate buffered saline (PBS)] is added to each well, and the cells are incubated at 37 °C with 5 % CO2 and saturated humidity for 4 hours. Following the subsequent removal of the supernatant, 150 μL dimethyl sulfoxide (DMSO) is added to each well, and the cells are vortexed for 10 minutes. The light absorbance (OD value) is measured for each well using an ELISA reader. Each experiment is repeated in triplicate, and dose–response curves are plotted. The probit software of the statistical software package SPSS 17.0 for Windows is used to calculate the inhibitory concentration (IC50) of Everolimus.

動物実験: [3]

動物モデル Cultured BT474 stem cells are injected beneath the left breast pad of BALB/c nude mice.
製剤 Everolimus is dissolved in saline.
投薬量 ≤2 mg/kg
管理 Administered via p.o.
Solubility 30% propylene glycol, 5% Tween 80, 65% D5W 5 mg/mL
* 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.

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

SpeciesBaboonDogMonkeyRabbitGuinea pigRatHamsterMouse
Weight (kg)121031.80.40.150.080.02
Body Surface Area (m2)0.60.50.240.150.050.0250.020.007
Km factor202012128653
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×  mouse Km(3)  = 11.2 mg/kg
rat Km(6)
1

参考

化学情報

Download Everolimus (RAD001) SDF
分子量 958.22
化学式

C53H83NO14

CAS No. 159351-69-6
保管 2年-20℃
6月-80℃in DMSO
別名
溶解度 (25°C) * In vitro DMSO 30 mg/mL (31 mM)
<1 mg/mL (<1 mM)
エタノール 7 mg/mL (7 mM)
In vivo 30% propylene glycol, 5% Tween 80, 65% D5W 5 mg/mL
* <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.
化学名 23,27-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclohentriacontine, rapamycin deriv

研究分野

カスタマーレビュー (1)


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Rating
Source Biochem Pharmacol, 2011, 82, 216-226. Everolimus (RAD001) purchased from Selleck
Method Western blot
Cell Lines H1299 cells
Concentrations 5 μM
Incubation Time 48 h
Results RAD001 and other mTOR inhibitors decreased the levels of survivin protein, as assessed by Western blot analysis, without affecting the levels of other IAP members. In addition, combined treatment with sorafenib and mTOR inhibitor Rapamycin and RAD001 decreased survivin expression to a greater extent than treatment with either alone.

製品表彰状 (29)

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