Synthesis and biological evaluation of novel Mannich bases of 2-arylimidazo[2,1-b]benzothiazoles as potential anti-cancer agents
作者:Ravindra M. Kumbhare、K. Vijay Kumar、M. Janaki Ramaiah、Tulshiram Dadmal、S.N.C.V.L. Pushpavalli、Debasmita Mukhopadhyay、B. Divya、T. Anjana Devi、Umesh Kosurkar、Manika Pal-Bhadra
DOI:10.1016/j.ejmech.2011.06.031
日期:2011.9
A new series of Mannich bases of 2-arylimidazo[2,1-b]benzothiazoles were synthesized and evaluated for their anti-cancer activity. These compounds showed better cytotoxicity activity with IC50 values ranging from 2.8 to 8.0 μM in HepG2, MCF-7 and HeLa cell lines. Further mechanism aspects responsible for the anti-cancer activity of two promising compounds 3c and 3f in HepG2 cell line were studied.
合成了一系列新的2-芳基咪唑[2,1- b ]苯并噻唑的曼尼希碱,并对其抗癌活性进行了评估。这些化合物在HepG2,MCF-7和HeLa细胞系中的IC 50值为2.8至8.0μM,表现出更好的细胞毒性活性。研究了两个有前途的化合物3c和3f在HepG2细胞系中的抗癌活性的进一步机制。有趣的是,3c,3f诱导了G2 / M细胞周期的阻滞,同时下调了细胞周期蛋白B和Chk2蛋白。此外,化合物3c,3f还显示了凋亡的特征,例如caspase-3水平的增加。用化合物处理导致生命细胞增殖蛋白(例如Jun(C-Jun,JunB),p38 MAPK,p-JNK和PKCα)水平降低。该系列化合物3f可以看作是其发展为新型抗癌药的潜在先导。