Structure-Activity Relationship of Caffeoylquinic Acids on the Accelerating Activity on ATP Production
作者:Yusaku Miyamae、Manami Kurisu、Junkyu Han、Hiroko Isoda、Hideyuki Shigemori
DOI:10.1248/cpb.59.502
日期:——
Caffeoylquinic acid (CQA) is one of the phenylpropanoids which have various bioactivities such as antioxidant, antibacterial, anticancer, antihistamic, and other biological effects. We previously reported that 3,5-di-O-caffeoylquinic acid inhibited amyloid β1—42-induced cellular toxicity on human neuroblastoma SH-SY5Y cells and increased the mRNA expression level of glycolytic enzymes and the intracellular ATP level. To investigate structure–activity relationship on the accelerating activity on ATP production, we synthesized 1,4,5-tri-O-caffeoylquinic acid, 4,5-di-O-caffeoylquinic acid, 3,4,5-tri-O-caffeoylquinic acid, and other derivatives. Additionally, we evaluated intracellular ATP level in SH-SY5Y treated with each CQA derivative. As a result, 3,4,5-tri-O-caffeoylquinic acid showed the highest accelerating activity on ATP production among tested compounds. It was suggested that caffeoyl groups bound to quinic acid are important for activity and the more caffeoyl groups are bound to quinic acid, the higher accelerating activity on ATP production exhibits.
咖啡酰奎宁酸(CQA)是一种酚丙烷类化合物,具有多种生物活性,如抗氧化、抗菌、抗癌、抗组胺和其他生物效应。我们之前报道过,3,5-二-O-咖啡酰奎宁酸抑制了淀粉样蛋白β1—42引起的人类神经母细胞瘤SH-SY5Y细胞的细胞毒性,并提高了糖酵解酶的mRNA表达水平和细胞内ATP水平。为了研究结构—活性关系对ATP生产加速活性的影响,我们合成了1,4,5-三-O-咖啡酰奎宁酸、4,5-二-O-咖啡酰奎宁酸、3,4,5-三-O-咖啡酰奎宁酸及其他衍生物。此外,我们评估了用每种CQA衍生物处理的SH-SY5Y细胞的细胞内ATP水平。结果显示,3,4,5-三-O-咖啡酰奎宁酸在测试化合物中对于ATP生产的加速活性最高。研究表明,结合在奎宁酸上的咖啡酰基团对活性至关重要,结合到奎宁酸上的咖啡酰基团越多,ATP生产的加速活性就越高。