Substituted Xanthines, Pteridinediones, and Related Compounds as Potential Antiinflammatory Agents. Synthesis and Biological Evaluation of Inhibitors of Tumor Necrosis Factor α
作者:Howard B. Cottam、Hsiencheng Shih、Lida R. Tehrani、D. Bruce Wasson、Dennis A. Carson
DOI:10.1021/jm940845j
日期:1996.1.1
approximately 5 microM for each. Compound 58 was a very poor inhibitor of PDE IV but was the most active at preventing the leukopenia induced by TNF alpha in mice, providing more than 60% protection at 50 mg/kg. Thus, compounds such as 58, which are good inhibitors of TNF alpha production but are devoid of PDE IV inhibitory properties, may have potential as new antiinflammatory agents.
在嘌呤,蝶啶,[1,2,5]-噻二唑并[3,4-d]嘧啶和喹唑啉环系统中制备了一系列己酮可可碱代谢物的类似物,并评估了它们抑制肿瘤坏死因子产生的能力。细菌脂多糖(LPS)刺激的人外周血单核细胞中的α-α(TNFα)。还测试了更具活性的化合物对人嗜中性白细胞对环状AMP磷酸二酯酶IV型(PDE IV)的抑制作用,以帮助确定其作用机理。在小鼠体内LPS诱导的白细胞减少症模型中评估了在体外TNFα测定中显示出良好活性的所选化合物。TNFα分析中最有效的化合物6、31和58,每种抑制TNFα的产生,IC50约为5 microM。化合物58是一种非常差的PDE IV抑制剂,但在预防小鼠中由TNFα诱导的白细胞减少症中活性最高,在50 mg / kg剂量下可提供60%以上的保护作用。因此,诸如58的化合物,它们是TNFα产生的良好抑制剂,但没有PDE IV抑制特性,可能具有作为新的抗炎剂的潜力。