作者:Rajesh Bahekar、Nandini Panchal、Shubhangi Soman、Jigar Desai、Dipam Patel、Anil Argade、Archana Gite、Sanjay Gite、Bhaumin Patel、Jeevan Kumar、Sachchidanand S、Harilal Patel、Rajesh Sundar、Abhijit Chatterjee、Jogeswar Mahapatra、Hoshang Patel、Krishnarup Ghoshdastidar、Debdutta Bandyopadhyay、Ranjit C. Desai
DOI:10.1016/j.bioorg.2020.103851
日期:2020.6
Cerdulatinib led to the discovery of a potent and orally bioavailable 2,4-diaminopyrimidine-5-carboxamide based JAK3 selective inhibitor (11i). A cellular selectivity study further confirmed that 11i preferentially inhibits JAK3 over JAK1, in JAK/STAT signaling pathway. Compound 11i showed good anti-arthritic activity, which could be correlated with its improved oral bioavailability. In the repeat dose acute toxicity
选择性抑制janus激酶(JAK)已被确定为治疗自身免疫性疾病的重要策略。在Cerdulatinib的嘧啶环的C2和C4位置上的优化导致发现了一种有效的,口服可生物利用的基于2,4-二氨基嘧啶-5-羧酰胺的JAK3选择性抑制剂(11i)。细胞选择性研究进一步证实,在JAK / STAT信号通路中,11i比JAK1优先抑制JAK3。化合物11i显示出良好的抗关节炎活性,这与其改善的口服生物利用度有关。在重复剂量急性毒性研究中,11i没有显示出与总体病理学和临床体征有关的不利变化,表明新的JAK3类选择性抑制剂可能是治疗类风湿关节炎的可行治疗选择。