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Salicylic acid

CAS No. : 69-72-7

MCE 国际站：Salicylic acid

产品活性：Salicylic acid (2-Hydroxybenzoic acid) 抑制 COX-2 活性，抑制作用与转录因子 (NF-κB) 激活无关。

研究领域：Immunology/Inflammation  |  Autophagy  |  Apoptosis  |  Metabolic Enzyme/Protease

作用靶点：COX  |  Autophagy  |  Mitophagy  |  Apoptosis  |  Endogenous Metabolite

结构分类：酚类  |  单酚类  |  酮、醛、酸

来源：植物  |  其他科

In Vitro: Salicylic acid is an effective inhibitor of COX-2 activity at concentrations far below those required to inhibit NF-κB (20 mg/mL) activation. Salicylic acid inhibits prostaglandin E₂ release when add together with interleukin 1β for 24 hr with an IC₅₀ value of 5 μg/mL, an effect that is independent of NF-κB activation or COX-2 transcription or translation. Salicylic acid acutely (30 min) also causes a concentration-dependent inhibition of COX-2 activity measured in the presence of 0, 1, or 10 μM exogenous arachidonic acid. In contrast, when exogenous arachidonic acid is increased to 30 μM, Salicylic acid is a very weak inhibitor of COX-2 activity with an IC₅₀ of >100 μg/mL. When added together with IL-1β for 24 hr, Salicylic acid causes a concentration-dependent inhibition of PGE₂ release with an apparent IC₅₀ value of approximately 5 μg/mL. The ability of Salicylic acid to directly inhibit COX-2 activity in A549 cells is tested after a 30-min exposure period, followed by the addition of different concentrations of exogenous arachidonic acid (1, 10, and 30 μM). Salicylic acid causes a concentration-dependent inhibition of COX-2 activity in the absence of added arachidonic acid or in the presence of 1 or 10 μM exogenous substrate with an apparent IC₅₀ value of approximately 5 μg/mL. However, when the same experiments are performed using 30 μM arachidonic acid, Salicylic acid is an ineffective inhibitor of COX-2 activity, with an apparent IC₅₀ value of more than 100 μg/mL, and achieves a maximal inhibition of less than 50%.

In Vivo: In C57Bl/6 DIO mice, Salicylic acid decreases both fasting and postprandial plasma glucose levels. Furthermore, there is a trend to reduce plasma triglyceride levels after Salicylic acid treatment in C57Bl/6 DIO mice (P=0.059). Salicylic acid significantly reduces 11β-HSD1 mRNA in omental adipose tissue in C57Bl/6 DIO mice, with a similar trend in mesenteric adipose (P=0.057). In mesenteric adipose of C57Bl/6 DIO mice, Salicylic acid also reduces 11β-HSD1 enzyme activity.

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