Nilotinib (AMN-107) 化学構造
分子量: 529.52

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製品説明

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    Bcr-Abl製品生物活性の比較
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製品の説明

生物活性

製品説明 Nilotinib (AMN-107)は、30nM未満のIC50によるBcr-Abl阻害剤です。
ターゲット Bcr-Abl
IC50 30 nM [1]
In vitro試験 Nilotinib inhibits proliferation, migration, and actin filament formation, as well as the expression of α-SMA and collagen in activated HSCs. Nilotinib induces apoptosis of HSCs, which is correlated with reduced bcl-2 expression, increases p53 expression, cleavage of PARP, as well as increases expression of PPARγ and TRAIL-R. Nilotinib also induces cell cycle arrest, accompanied by increased expression of p27 and downregulation of cyclin D1. Interestingly, Nilotinib not only inhibits activation of PDGFR, but also TGFRII through Src. Nilotinib significantly inhibits PDGF and TGFβ-simulated phosphorylation of ERK and Akt. Furthermore, PDGF- and TGFβ-activated phosphorylated form(s) of Abl in human HSCs are inhibited by Nilotinib. [2] Nilotinib inhibits most imatinib-resistant Bcr-Abl mutations, except for T315I. [3] Nilotinib inhibits PDGF-DD-mediated ERK1/2 activation, basal and PDGF-DD-mediated activation of PDGFRβ and Akt, and schwannoma proliferation. Nilotinib is more potent than imatinib, exerting its maximal inhibitory effect at concentrations lower than steady-state trough plasma levels. [4] Nilotinib also significantly reduces the expression levels of the genes for TGF-β1 and platelet-derived growth factor (PDGF). Nilotinib treatment also significantly inhibits the PDGF-induced proliferation of lung fibroblasts. [5] Nilotinib inhibits the proliferation of Ba/F3 cells expressing p210- and p190-Bcr-Abl, or K562 and Ku-812F cells with IC50 values ≤12 nM. [6]
In vivo試験 Nilotinib reduces collagen deposition and α-SMA expression in CCl4 and BDL-induced fibrosis. Nilotinib could induce HSC undergoing apoptosis, which is correlated with downregulation of bcl-2. [2] Nilotinib attenuates the extent of lung injury and fibrosis. Nilotinib therapy significantly reduces the levels of hydroxyproline on days 14 and 21, which is accompanied by decreased expression levels of transforming growth factor (TGF)-β1 and PDGFRβ. [5] AMN107 prolongs survival of mice injected with Bcr-Abl-transformed hematopoietic cell lines or primary marrow cells, and prolongs survival in imatinib-resistant CML mouse models. [6]
臨床試験 Nilotinib has entered in a phase IV clinical trial in the treatment of philadelphia chromosome positive and chronic myelogenous leukemia in chronic phase.
特集 A selective inhibitor of native and mutant Bcr-Abl.

プロトコル (参考用のみ)

細胞アッセイ: [4]

細胞株 Human primary Schwann and schwannoma cells
濃度 1-10 μM
反応時間 72 hours
実験の流れ Human primary Schwann and schwannoma cells are seeded on precoated 96-well plates. Nilotinib is added 40 minutes before stimulation with 100 ng/mL PDGF-DD, and cells are cultured for 72 hours (3 days). Because the half-life of Nilotinib is 18 hours, one-half of the originally added concentrations are added freshly every day. In addition to DAPI staining and determination of the total cell number, the more sensitive and accurate BrdU incorporation method is used to detect proliferating cells. Total cell amount (DAPI) and number of dividing cells (BrdU-positive) are blindly counted using an inverted fluorescent microscope and 200 × magnification. All cells in every well are counted. The total cell number per well differed between various cell batches and is 100–300 cells/well.

動物実験: [6]

動物モデル Systemic 32D Bcr-Abl leukemia model in Female BALB/c mice, Bioluminescent Bcr-Abl model of CML in Female NOD-SCID mice and Bone marrow transplant Bcr-Abl model of CML in syngeneic Balb/c recipient mice
製剤 10% NMP-90% PEG300, PEG300
投薬量 75 mg/kg, 100 mg/kg
投与方法 Oral administration

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

SpeciesMouseRatRabbitGuinea pigHamsterDogMonkeyBaboon
Weight (kg)0.020.151.80.40.0810312
Body Surface Area (m2)0.0070.0250.150.050.020.50.240.6
Km factor361285201220
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 Nilotinib (AMN-107) SDF
分子量 529.52
化学式

C28H22F3N7O

CAS No. 641571-10-0
保管 2年-20℃
6月-80℃in solvent
別名 N/A
溶解度 (25°C) * In vitro DMSO 27 mg/mL (50.98 mM)
<1 mg/mL (<1 mM)
エタノール <1 mg/mL (<1 mM)
In vivo 0.5% methylcellulose/0.2% Tween 80 30 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 4-methyl-N-(3-(4-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)phenyl)-3-(4-(pyridin-3-yl)pyrimidin-2-ylamino)benzamide

カスタマーフィードバック (5)


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Source FASEB J , 2011, 25, 3661-3673. Nilotinib (AMN-107) purchased from Selleck
Method Analyzing cell apoptosis
Cell Lines Ba/F3-p210T315I cells
Concentrations 0-5 μM
Incubation Time 24 h
Results In a parallel study using imatinib/PDMP or nilotinib/PDMP combinations, to our surprise, similar significant synergy in Ba/F3-p210T315I cells was observed.

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Source Molecules, 2014, 19, 3356-75. Nilotinib (AMN-107) purchased from Selleck
Method Western blot
Cell Lines K562, CD34+CD38- cells
Concentrations 0, 0.01, 0.1, 1 uM
Incubation Time 12 h
Results Since nilotinib targets the Bcr-Abl kinase in CML cells, we evaluated its ability to inhibit kinase activity in ABCB1- and ABCG2-overexpressing CD34+CD38- cells. In K562 cells, nilotinib effectively inhibited the phosphorylation of Bcr-Abl and CrkL (a surrogate marker of Bcr-Abl activity) at a concentration of 0.1 umol/L. However, in CD34+CD38- cells, nilotinib failed to completely inhibit the phosphorylation of Bcr-Abl and CrkL even when cells were exposed to concentration up to 1.0 umol/L.

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Source Leukemia Res, 2012, 36, 1311-1314. Nilotinib (AMN-107) purchased from Selleck
Method Thymidine uptake Uptake assay
Cell Lines K562, MEG-01 cells
Concentrations 0.1-10uM
Incubation Time 20 min
Results Nilotinib was much more potent than imatinib to inhibit nucleoside transport. It prevented the uptake of thymidine in K562 cells by 97% at 10 uM, a level that was similar to the one obtained with the vasodilatator molecule dipyridamole. Nilotinib was also very efficient at 1 and 0.1 uM; it blocked the entry of thymidine by 90 and 74%, respectively (Fig. 2a). With the MEG-01 cell line, nilotinib was also extremely potent and blocked the entry of thymidine by 96, 92 and 60% with 10, 1 and 0.1 uM nilotinib, respectively (Fig. 2b).

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Rating
Source Urol Oncol, 2014, 0.1016/j.urolonc.2014.06.001. Nilotinib (AMN-107) purchased from Selleck
Method Immunoblot analyses
Cell Lines LNCaP, PC-3, DU-145 cells
Concentrations 10 uM
Incubation Time 24 h
Results It shows a robust overexpression of phospho-ERK1/2 T202/Y204 in nilotinib-treated DU-145 cells (B). An up-regulation of phospho-ERK1/2 T202/Y204 was also detectable in nilotinib-treated LNCaP cells, albeit at a lower level, and was not found in PC-3 cells (C).

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Rating
Source Urol Oncol, 2014, 0.1016/j.urolonc.2014.06.001. Nilotinib (AMN-107) purchased from Selleck
Method Immunohistochemical staining
Cell Lines Xenografted DU-145 cells
Concentrations 5 mg/kg/d
Incubation Time 21 days
Results Accoding to published animals experiments, DU-145 xenografts from a representative experiment in which nilotinib was used at a 75-mg/kg/d concentration. It's found a significant increase of phospho-ERK-positive residual tumor cells from a mean of 67.5 cells per high-powerfield in controls to 131.1 cells per high-powerfield in DU-145 xenografts treated for 21 days with nilotinib (P< 0.0005).

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