化合物MK886 T6893

Product Introduction
Bioactivity


英文名: MK-886

描述: MK-886 (L 663536)是一种细胞可渗透的，具有口服活性的 FLAP (IC50为 30 nM) 和白三烯生物合成 (完整白细胞和人全血中的IC50分别为 3 nM 和 1.1μM) 的抑制剂。它也是一种非竞争性PPARα拮抗剂，可以诱导细胞凋亡。

细胞实验: IL-1β-stimulated A549 cells (5×106/ml) are pre-incubated with MK-886 (MK, 33 μM), indomethacin (Indo, 10 μM), celecoxib (Cele, 5 μM) or vehicle (DMSO) for 15 min prior to the addition of 30 μM arachidonic acid. After 15 min at 37 °C, the amount of released 6-keto PGF1α was assessed by ELISA as described in the Materials and methods section. (Only for Reference)

激酶实验: Enzyme assay is conducted in buffer containing 25 mM Tris, pH 8.0, 1 mM DTT, 1 mM spermine, 50 mM KCl, 0.01% Nonidet P-40, and 1 mM MgCl2. PARP reaction contains 0.1 μCi [3H]NAD+ (200 000 DPM), 1.5 μM NAD+, 150 nM biotinylated NAD+, 1 μg/mL activated calf thymus, and 1?5 nM PARP-1. Autoreactions utilizing SPA bead-based detection are carried out in 50 μL volumes in white 96-well plates. Compounds (e.g., MK-4827) are prepared in 11-point serial dilution in 96-well plate, 5 μL/well in 5% DMSO/Water (10× concentrated). Reactions are initiated by adding first 35 μL of PARP-1 enzyme in buffer and incubating for 5 min at room temperature and then 10 μL of NAD+ and DNA substrate mixture. After 3 h at room temperature, these reactions are terminated by the addition of 50 μL of streptavidin-SPA beads (2.5 mg/mL in 200 mM EDTA, pH 8). After 5 min, they are counted using a TopCount microplate scintillation counter. IC50 data is determined from inhibition curves at various substrate concentrations[1].

体外活性: MK-886, an inhibitor of the 5-lipoxygenase-activating protein (FLAP), potently suppresses leukotriene biosynthesis in intact cells and is frequently used to define a role of the 5-lipoxygenase (EC 1.13.11.34) pathway in cellular or animal models of inflammation, allergy, cancer, and cardiovascular disease. MK-886 inhibits isolated COX-1 (IC50=8 μM) and blocks the formation of the COX-1-derived products 12(S)-hydroxy-5-cis-8,10-trans-heptadecatrienoic acid (12-HHT) and thromboxane B2 in washed human platelets in response to collagen as well as from exogenous arachidonic acid (IC50=13–15 μM).Isolated COX-2 was less affected (IC50=58 μM), and in A549 cells, MK-886 (33 μM) failed to suppress COX-2-dependent 6-ketoprostaglandin (PG)F1α formation. MK-886 (10 μM) inhibits COX-1-mediated platelet aggregation induced by collagen or arachidonic acid whereas thrombin- or U-46619-induced (COX-independent) aggregation is not affected[1].

体内活性: 连续每日通过腹腔注射MK-886会增加从前额叶皮层获取的大脑样本中GluR1的磷酸化水平。相比之下，单次注射MK-886并不改变大脑皮质GluR1的磷酸化水平[2]。

存储条件: Powder: -20°C for 3 years | In solvent: -80°C for 1 year

溶解度: Ethanol : 2.4 mg/mL (5 mM)
DMSO : 47.2 mg/mL (100 mM)


关键字: leukotriene | FLAP | 5-LOX | 5-LO activating protein | non-competitive | keratin-1 | Leukotriene Receptor | Inhibitor | L-663536 | biosynthesis | Peroxisome proliferator-activated receptors | PPAR | MK-886 | PPARα | MK 886 | Apoptosis | L663536 | inhibit

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相关库: Anti-Aging Compound Library | Anti-Breast Cancer Compound Library | Anti-Cancer Compound Library | Membrane Protein-targeted Compound Library | GPCR Compound Library | Inhibitor Library | Nuclear Receptor Compound Library | Anti-Cancer Active Compound Library | Orally Active Compound Library | Bioactive Compound Library

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注：该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案，不可用于临床诊断或治疗等相关用途