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AM 103 Sale

目录号 : GC31839

AM103是具有选择性的,有效的FLAP抑制剂,IC50值为4.2nM。

AM 103 Chemical Structure

Cas No.:1147872-22-7

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1mg
¥2,016.00
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5mg
¥5,040.00
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10mg
¥8,100.00
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Sample solution is provided at 25 µL, 10mM.

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实验参考方法

Kinase experiment:

Packed human polymorphonuclear cell pellets (1.8×109 cells) are resuspended, lysed, and 75,000g membranes. The 75,000g pelleted membranes are resuspended in a Tris buffer (50 mM Tris HCl, pH 7.4, 1 mM EDTA, 1 mM DTT, and 30% glycerol) to yield a protein concentration of appr 4 mg/mL. Then, 2.5 μg of membrane protein per well is added to 96-well deep well plates containing Tris-Tween buffer (100 mM Tris HCl, pH 7.4, 100 mM NaCl, 1 mM EDTA, 0.5 mM DTT, 5% glycerol, and 0.05% Tween-20) and appr 30,000 cpm of [3H]-3-[5-(pyrid-2-ylmethoxy)-3-tert-butylthio-1-benzyl-indol-2-yl]-2,2-dimethylpropionic acid and test compound in a total volume of 100 μL and incubated for 60 min at room temperature. The reactions are then harvested onto GF/B filter plates using a Brandel 96-tip harvester and washed 3× with 1 mL of ice-cold Tris-Tween buffer. The filter plates are dried, the bottoms sealed, and 100 μL of scintillant added. The plates are incubated for 1 h before reading on Perkin-Elmer TopCount. Specific binding is defined as total radioactive binding minus nonspecific binding in the presence of 10 μM MK886. IC50 values are determined using Graphpad prism analysis of drug titration curves.

Animal experiment:

Compounds are administered intravenously (i.v.) (2 mg/kg) to two or three male rats (fasted overnight) as a solution in PEG400/ethanol/water (40/10/50, v/v/v) via a bolus injection into the jugular vein (2 mg/mL; 1 mL/kg) and orally (p.o.) (10 mg/kg) to two or three male rats as a suspension in 0.5% methylcellulose via an oral gavage to the stomach (3.33 mg/mL; 3 mL/kg). Blood samples (approximately 300 μL) are taken from each rat via the jugular vein cannula at time intervals up to 24 h postdose (8−9 samples per animal). After each sample, the cannula is flushed with an equivalent volume of heparinized saline (0.1 mL at 40 units/mL). Plasma samples, prepared by centrifugation of whole blood, are stored frozen (−80°C) prior to analysis.

References:

[1]. Hutchinson JH, et al. 5-lipoxygenase-activating protein inhibitors: development of 3-[3-tert-butylsulfanyl-1-[4-(6-methoxy-pyridin-3-yl)-benzyl]-5-(pyridin-2-ylmethoxy)-1H-indol-2-yl]-2,2-dimethyl-propionic acid (AM103). J Med Chem. 2009 Oct 8;52(19):5803-15.
[2]. Lorrain DS, et al. Pharmacological characterization of 3-[3-tert-butylsulfanyl-1-[4-(6-methoxy-pyridin-3-yl)-benzyl]-5-(pyridin-2-ylmethoxy)-1H-indol-2-yl]-2,2-dimethyl-propionic acid (AM103), a novel selective 5-lipoxygenase-activating protein inhibitor that reduces acute and chronic inflammation. J Pharmacol Exp Ther. 2009 Dec;331(3):1042-50.

产品描述

AM 103 is a potent and selective FLAP inhibitor, with an IC50 value of 4.2 nM.

AM 103 has an IC50 value of 349 nM in the human blood LTB4 inhibition assay. AM 103 has an excellent CYP profile against the 5 most common CYP isoforms with IC50 values greater than 30 μM for CYP2D6 and >50 μM for CYPs 3A4, 2C9 2C19, and 1A2[1]. AM103 is a novel, potent, and selective FLAP inhibitor with IC50 values of 350, 113, and 117 nM against human, rat, and mouse whole-blood ionophore-stimulated LTB4 production, respectively[2].

AM 103 has high bioavailability (64%), low clearance (2.9 mL/min/kg), low volume of distribution (0.41 L/kg), and a long i.v. half-life (5.2 h) in dogs. AM 103 (10 mg/kg q.i.d.) inhibits the increase in CysLTs and EPO by approximately 60%, and IL-5 levels are reduced to the concentrations obtained following saline treatment alone in mice[1]. AM103 (1 mg/kg, p.o.) displays >50% inhibition for up to 6 h with a calculated EC50 of appr 60 nM, in a rat ex vivo whole-blood calcium ionophore-induced LTB4 assay. AM 103 inhibits LTB4 and cysteinyl leukotriene (CysLT) production with ED50 values of 0.8 and 1 mg/kg, respectively, when rat lung is challenged in vivo with calcium ionophore. In this model, the EC50 derived from plasma AM103 is appr 330 nM for inhibition of both LTB4 and CysLT. In a model of chronic lung inflammation using ovalbumin-primed and challenged BALB/c mice, AM103 reduces the concentrations of eosinophil peroxidase, CysLTs, and interleukin-5 in the bronchoalveolar lavage fluid. Finally, AM 103 increases survival time in mice exposed to a lethal intravenous injection of platelet-activating factor[2].

[1]. Hutchinson JH, et al. 5-lipoxygenase-activating protein inhibitors: development of 3-[3-tert-butylsulfanyl-1-[4-(6-methoxy-pyridin-3-yl)-benzyl]-5-(pyridin-2-ylmethoxy)-1H-indol-2-yl]-2,2-dimethyl-propionic acid (AM103). J Med Chem. 2009 Oct 8;52(19):5803-15. [2]. Lorrain DS, et al. Pharmacological characterization of 3-[3-tert-butylsulfanyl-1-[4-(6-methoxy-pyridin-3-yl)-benzyl]-5-(pyridin-2-ylmethoxy)-1H-indol-2-yl]-2,2-dimethyl-propionic acid (AM103), a novel selective 5-lipoxygenase-activating protein inhibitor that reduces acute and chronic inflammation. J Pharmacol Exp Ther. 2009 Dec;331(3):1042-50.

Chemical Properties

Cas No. 1147872-22-7 SDF
Canonical SMILES O=C(O)C(C)(C)CC(N1CC2=CC=C(C3=CC=C(OC)N=C3)C=C2)=C(SC(C)(C)C)C4=C1C=CC(OCC5=NC=CC=C5)=C4.[NaH]
分子式 C36H40N3NaO4S 分子量 633.78
溶解度 Soluble in DMSO 储存条件 Store at -20°C
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溶解性数据

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1 mM 1.5778 mL 7.8892 mL 15.7783 mL
5 mM 0.3156 mL 1.5778 mL 3.1557 mL
10 mM 0.1578 mL 0.7889 mL 1.5778 mL
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Research Update

Gateways to clinical trials

Gateways to Clinical Trials is a guide to the most recent clinical trials in current literature and congresses. The data in the following tables has been retrieved from the Clinical Trials Knowledge Area of Thomson Reuters Integrity(SM), the drug discovery and development portal, http://www.thomsonreutersintegrity.com. This issue focuses on the following selection of drugs: Abatacept, Adalimumab, AdCD40L, Adefovir, Aleglitazar, Aliskiren fumarate, AM-103, Aminolevulinic acid methyl ester, Amlodipine, Anakinra, Aprepitant, Aripiprazole, Atazanavir sulfate, Axitinib; Belimumab, Bevacizumab, Bimatoprost, Bortezomib, Bupropion/naltrexone; Calcipotriol/betamethasone dipropionate, Certolizumab pegol, Ciclesonide, CYT-997; Darbepoetin alfa, Darunavir, Dasatinib, Desvenlafaxine succinate, Dexmethylphenidate hydrochloride cogramostim; Eltrombopag olamine, Emtricitabine, Escitalopram oxalate, Eslicarbazepine acetate, Eszopiclone, Etravirine, Everolimus-eluting coronary stent, Exenatide, Ezetimibe; Fenretinide, Filibuvir, Fludarabine; Golimumab; Hepatitis B hyperimmunoglobulin, HEV-239, HP-802-247, HPV-16/18 AS04, HPV-6/11/16/18, Human albumin, Human gammaglobulin; Imatinib mesylate, Inotuzumab ozogamicin, Invaplex 50 vaccine; Lapatinib ditosylate, Lenalidomide, Liposomal doxorubicin, Lopinavir, Lumiliximab, LY-686017; Maraviroc, Mecasermin rinfabate; Narlaprevir; Ocrelizumab, Oral insulin, Oritavancin, Oxycodone hydrochloride/naloxone; Paclitaxel-eluting stent, Palonosetron hydrochloride, PAN-811, Paroxetine, Pazopanib hydrochloride, Peginterferon alfa-2a, Peginterferon alfa-2b, Pemetrexed disodium, Pertuzumab, Pitavastatin calcium, Posaconazole, Pregabalin, Prucalopride succinate; Raltegravir potassium, Ranibizumab, RHAMM R3 peptide, Rosuvastatin calcium; Salclobuzic acid sodium salt, SCY-635, Selenate sodium, Semapimod hydrochloride, Silodosin, Siltuximab, Silybin, Sirolimus-eluting stent, SIR-Spheres, Sunitinib malate; Tapentadol hydrochloride, Tenofovir disoproxil fumarate, Tocilizumab, Tositumomab/iodine (I131) tositumomab, Trabectedin, TransVax? hepatitis C vaccine; Ustekinumab; V-260, Valspodar, Varenicline tartrate, VCL-IPT1, Vildagliptin, VRC-HIVADV014-00-VP, VRC-HIVDNA009-00-VP, VRC-HIVDNA016-00-VP; Yttrium 90 (90Y) ibritumomab tiuxetan, Yttrium Y90 Epratuzumab; Zibotentan, Zotarolimus-eluting stent.

FLAP inhibitors for the treatment of inflammatory diseases

Leukotrienes are lipid inflammatory mediators that are implicated in asthma, COPD, arthritis, cardiovascular disease and cancer. Leukotriene synthesis requires 5-lipoxygenase activating protein (FLAP), which acts as a scaffolding protein for the assembly of other enzymes involved in the leukotriene synthetic pathway occurring at the nuclear envelope of leukocytes. By blocking the formation of both leukotriene B4 and the cysteinyl leukotrienes (ie, LTC4 , LTD4 and LTE4), FLAP inhibitors act as broad-spectrum leukotriene-modifier drugs that may have a wide range of therapeutic applications. FLAP inhibitors such as MK-886, MK-0591 and veliflapon (BAY-X-1005, DG-031) demonstrated promise in clinical trials with patients with inflammatory diseases in the mid 1990 s, but, unlike the 'lukast' class of cysteinyl-leukotriene receptor antagonists, these compounds were not brought to market. The elucidation of the 3D structure of FLAP has enabled novel compound development, and several FLAP inhibitors including 2190914 (AM-103) and GSK-2190915 (both under development by GlaxoSmithKline plc) have entered phase II trials for the treatment of inflammatory disease, including asthma.

Spine Metastases in Immunocompromised Mice after Intracardiac Injection of MDA-MB-231-SCP2 Breast Cancer Cells

Breast cancer cells frequently metastasize to bone, where their interaction with bone remodeling cell types enhances osteolytic bone destruction. Importantly, however, whereas skeletal analyses of xenograft models are usually restricted to hindlimb bones, human skeletal metastases are far more frequent in the spine, where trabecular bone mass is higher compared to femur or tibia. Here, we addressed whether breast cancer cells injected into immunocompromised mice metastasize to the spine and if this process is influenced by the amount of trabecular bone. We also took advantage of mice carrying the Col1a1-Krm2 transgene, which display severe osteoporosis. After crossing this transgene into the immunocompromised NSG background we injected MDA-MB-231-SCP2 breast cancer cells and analyzed their distribution three weeks thereafter. We identified more tumor cells and clusters of different size in spine sections than in femora, which allowed influences on bone remodeling cell types to be analyzed by comparing tumor-free to tumor-burdened areas. Unexpectedly, the Col1a1-Krm2 transgene did not affect spreading and metastatic outgrowth of MDA-MB-231-SCP2 cells, suggesting that bone tumor interactions are more relevant at later stages of metastatic progression.

Backscattering by a tilted intermediate thickness cylindrical metal empty shell in water

Backscattering by metal shells in water was investigated by Morse, Marston, and Kaduchak [J. Acoust Soc. Am. 103(2), 785-794 (1998)]. The evolution of the backscattering as a function of frequency and tilt angle, the "acoustic color," depended on the shell's thickness. The present study concerns scattering by a shell with an intermediate thickness-to-radius ratio (0.106). The results include: (a) meridional rays associated with a supersonic antisymmetric guided wave cause a prominent tilt-angle dependent enhancement at frequencies above the coincidence frequency; (b) a subsonic guided wave is also prominent over a range of frequencies and tilt angles; and (c) meridional ray contributions are evident in the time-frequency-angle domain.

On solution techniques for cochlear models: reply to "Comments on 'a method for forward and inverse solutions of a three-dimensional model of the cochlea'" [J. Acoust. Soc. Am. 103, 3729 (1998)]