A novel class of tyrosine derivatives as dual 5-LOX and COX-2/mPGES1 inhibitors with PGE<sub>2</sub> mediated anticancer properties
作者:Ayarivan Puratchikody、Appavoo Umamaheswari、Navabshan Irfan、Shweta Sinha、S. L. Manju、Meera Ramanan、Gayathri Ramamoorthy、Mukesh Doble
DOI:10.1039/c8nj04385j
日期:——
enzymes, LOX and COX/mPGES1 respectively and are responsible for inflammatory responses. PGE2, produced by mPGES1, leads to the progression of inflammation as well as cancer. A series of 19 novel tyrosine derivatives are synthesized, characterized and tested against 5-LOX, in vitro, and production of PGE2, in HeLa cells. 6b-v and 6c-i, are found to possess maximum inhibitory action against 5-LOX and PGE2
白三烯和前列腺素途径分别受酶LOX和COX / mPGES1控制,并负责炎症反应。由mPGES1产生的PGE 2导致炎症以及癌症的发展。在HeLa细胞中合成,表征和测试了一系列19种新型酪氨酸衍生物,并针对5-LOX进行了体外测试,并测试了它们对PGE 2的生成。发现6b-v和6c-i具有对5-LOX和PGE 2产生的最大抑制作用。化合物6b-v已发现β-内啡肽通过破坏5-LOX酶的氧化还原循环起作用,并且其活性与市售药物Zileuton相当。在临床试验中,另一种化合物6c-i的活性与Licofelone相当,发现它主要抑制mPGES1的mRNA表达。它还将HeLa细胞停滞在细胞周期的S和G2 / M期,表明其抗癌活性。同样,化合物6b-iv和6b-viii抑制炎症级联反应中的LT和PG途径。苯环中存在碘似乎有利于抑制5-LOX,而氯有利于抑制PGE 2生产。这些线索可以进一步优化和发展为抗炎和抗癌药物。