咖啡酸乙酯 T5681

Product Introduction
Bioactivity


英文名: ETHYL CAFFEATE

描述: Ethyl Caffeate (ETHYL 3,4-DIHYDROXYCINNAMATE) 是从鬼针草分离的一种酚类天然产物，在体外或在小鼠皮肤中抑制NF-κB 活化及其下游炎症介质的诱导型一氧化氮合酶、环氧合酶 2 和前列腺素 E2。

细胞实验: Collagen was dissolved in 0.1 M acetic acid at 4°C overnight.?Male DBA/1 mice were immunized at the tail base with 125?μg of collagen emulsified in complete Freund's adjuvant (CFA) containing Mycobacterium tuberculosis strain H37Rv.?Each mouse was then boosted with the same amount of collagen plus CFA 21 days later (taken as day 0). Starting from day 9 for 10 consecutive days, the mice were administered daily with ECF (50?mg/kg) or methotrexate (2?mg/kg)

激酶实验: The proliferation of splenocytes or T cells in response to ConA, LPS, and anti-CD3/28 was measured by CCK-8 Kit.?Briefly, BALB/c splenocyte suspension (5?×?105 cells/well) was cultured with ConA (5?μg/ml), LPS (10?μg/ml), and anti-CD3 (5?μg/ml;?145-2C11) in the presence of ECF at indicated concentrations.?The cultures were incubated for 48?h, 20?μl of CCK-8 was then added to each well before the end of culture, and OD value was read at 450?nm.?The MTT method was used to measure the cytotoxicity of the sample.?Splenocytes (5?×?105 cells/well) were cultured in triplicates in the absence or presence of ECF in a 96-well flat-bottomed plate (Costar) for 48?h.?MTT (5?mg/ml) was pulsed for 4?h prior to the end of the culture.?Upon removal of MTT/medium, 150?μl of DMSO was added to each well, and the plate was agitated on an oscillator for 5?min to dissolve the precipitate.?The assay plate was read at 570?nm using a microplate reader.

体外活性: In vivo, ETHYL CAFFEATE(ECF) treatment reduced the severity of collagen-induced arthritis (CIA), inhibited IFN-γ and IL-6 secretion, and?decreased the proportion of CD11b+Gr-1+ splenic neutrophil.?Meanwhile, ECF treatment significantly inhibited the IFN-γ expression in CD4+T cell without obviously influencing the development of Th17 cells and T regulatory cells.

体内活性: Shikui X , Aixue Z , Zengjun G , et al. Ethyl Caffeate Ameliorates Collagen-Induced Arthritis by Suppressing Th1 Immune Response[J]. Journal of Immunology Research, 2017, 2017:1-11.

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

溶解度: DMSO : 41 mg/mL (196.91 mM)


关键字: Nuclear factor-kappaB | Inhibitor | NF-κB | Cyclooxygenase | PGE synthase | Prostaglandin E synthase | COX | ETHYL CAFFEATE | inhibit | Nitric oxide synthases | NOS | Nuclear factor-κB | NO Synthase

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相关库: Anti-Prostate Cancer Compound Library | Anti-Liver Cancer Compound Library | NF-κB Signaling Compound Library | Anti-Lung Cancer Compound Library | Inhibitor Library | Traditional Chinese Medicine Monomer Library | Natural Product Library for HTS | Miao medicine Compound Library | Anti-Pancreatic Cancer Compound Library | RO5 Drug-like Natural Product Library

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