化合物Hispidol T4319

Product Introduction
Bioactivity


英文名: Hispidol

描述: Hispidol ((Z)-Hispidol) 是一种炎症性肠病的潜在治疗剂，可抑制 TNF-α 诱导的单核细胞与结肠上皮细胞的粘附，IC50 为 0.50 μM。

动物实验: Hispidol is prepapred in corn oil.Rat: To study the effect of the drugs, hispidol (10 or 30 mg/Kg/day in corn oil) is administered orally once in a day, until 5 days after TNBS administration. The doses of 10 or 30 mg/kg are selected based on previous studies. The concentration of the compound inhibiting 70% and 90% (μM) cell-to-cell adhesion is selected and regarded as the in vivo test dose (mg/kg). Sulfasalazine (300 mg/Kg/day) is administered in corn oil as a positive control. On the 6th day, the rats are sacrificed and the severity of colitis and macroscopic ulceration are evaluated by two independent investigators who are blinded to the experiments. The colon tissues (5-7 cm proximal to rectum) are cut and used to measure the amount of myeloperoxidase and for the histological examinations[1].

体外活性: Hispidol exhibits strong inhibitory activities against TNF-α-induced monocytic-colonic epithelial cell adhesion as well as LPS-induced TNF-α expression that is an excellent candidate for IBD drug development. This inhibition of TNF-α expression by hispidol corresponds to the additional inhibitory activity against AP-1 transcriptional activity, which is another transcription factor required for high level TNF-α expression. Hispidol exhibits potent inhibitory effect (>70%) on the TNF-α-induced adhesion of monocytes to colon epithelial cells, which is one of the hallmark events leading to inflammatory bowel disease (IBD).

体内活性: Oral administration of hispidol suppresses TNBS-induced colitis in a dose-dependent manner. Body weight loss and colon tissue edematous inflammation are recovered significantly. The oral administration of hispidol suppresses significantly and dose-dependently TNBS-induced rat colitis. A higher dose (30 mg/kg) of hispidol shows a similar recovery effect to that of 300 mg/kg sulfasalazine. In the colon tissues, TNBS induces a dramatic increase in the level of MPO, a biochemical marker of inflammation, which is suppressed significantly by hispidol in a dose-dependent manner.

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

溶解度: DMSO : 6.25 mg/mL (24.58 mM)


关键字: inhibit | Hispidol | TNF Receptor | Tumor Necrosis Factor Receptor | TNFR | Inhibitor

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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