二氢丹参酮 I T3374

Product Introduction
Bioactivity


英文名: Dihydrotanshinone I

描述: Dihydrotanshinone I (DHTS) 是从丹参中分离到的一种天然产物，可抑制 MERS-CoV，可研究心血管疾病。

激酶实验: Cells are treated with various concentrations of Dihydrotanshinone I (3.13-20 μM) for 48 h. For the activity assay, Ac-DEVD-AMC (1 μg/μL), Ac-IETD-AMC (1 μg/μL) or Ac-LEDH-AMC (1 μg/μL) and cell lysate are added into Protease Assay Buffer in 96-well plate. Reaction mixtures with lysis buffer are used as negative controls. Cells treated with DMSO (0.1%) are treated as vehicle control. The reaction mixtures are incubated for 1 h at 37°C. The AMC liberated from the substrates is measured using spectrofluorometer of Victor 2 plate reader with an excitation wavelength of 380 nm and an emission wavelength of 430 nm.

体外活性: DHT (10 nM) decreases lectin-like ox-LDL receptor-1 (LOX-1) and NADPH oxidase 4 (NOX4) expression, reactive oxygen species (ROS) production, NF-κB nuclear translocation, ox-LDL endocytosis and monocytes adhesion in lipopolysaccharide (LPS)-stimulated human umbilical vein endothelial cells (HUVECs)[1]. Dihydrotanshinone I induces caspase-dependent apoptosis induced in HCT116 cells. Dihydrotanshinone I induces concentration and ROS dependent caspase activation. Apoptosis induced by Dihydrotanshinone I is completely prevented by Z-VAD-fmk. Apoptosis induced by Dihydrotanshinone I is significantly inhibited by pretreatment of Z-LEHD-fmk but only is partially inhibited by Z-IETD-fmk. Apoptosis induced by Dihydrotanshinone I is significantly increased by caspase-2 knockdown[3].

体内活性: In ApoE-/- mice fed with an atherogenic diet, DHT (10 and 25 mg kg-1) significantly attenuated atherosclerotic plaque formation, altered serum lipid profile, decreased oxidative stress and shrunk necrotic core areas. DHT dramatically inhibits the enhanced expression of LOX-1, NOX4, and NF-κB in aorta[1]. Dihydrotanshinone I (1, 2, 4 mg/kg) treatment can improve cardiac function, reduce infarct size, ameliorate the variations in myocardial zymogram and histopathological disorders, decrease 20-HETE generation, and regulate apoptosis-related protein in myocardial ischemia-reperfusion rats[2].

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

溶解度: DMSO : 3.85 mg/mL (13.82 mM)


关键字: SARS coronavirus | inhibit | SARS-CoV | Dihydrotanshinone I | Inhibitor

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相关库: Anti-Aging Compound Library | Antioxidant Compound Library | Pyroptosis Compound Library | Oxidation-Reduction Compound Library | Selected Plant-Sourced Compound Library | Traditional Chinese Medicine Monomer Library | Lipid Metabolism Compound Library | Cuproptosis Compound Library | Anti-Infection Compound Library | Anti-infective Natural Product Library

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