791806-33-2Relevant articles and documents
Identification of a novel SHP-2 protein tyrosine phosphatase inhibitor
Ju, Anna,Seo, Huiyun,Kim, Heemun,Park, Byoung Chul,Park, Sung Goo,Kim, Jeong Hoon,Cho, Hyung-Kyoon,Min, Kyung Hoon,Cho, Sayeon
, p. 420 - 424 (2014/04/17)
The Src homology 2 (SH2) domain-containing phosphatase 2 (SHP-2) is a nonreceptor protein tyrosine phosphatase (PTP) involved in extracellular- regulated kinase (ERK) activation. Recent studies have shown that gain-of-function mutations in SHP-2 are associated with several diseases, including LEOPARD syndrome, Noonan syndrome, and juvenile myelomonocytic leukemia. In this study, we identified the novel SHP-2 inhibitor 3-(1-benzimidazolylmethyl)-6-p-tolyl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole (MLS-001). SHP-2 activity was inhibited by MLS-001, whereas other types of PTPs, namely ACP1, CDC25A, DUSP3, DUSP14, DUSP18, DUSP22, DUSP23, DUSP26, and SSH3, were not. Furthermore, TCPTP and SHP-1 that are closely related to SHP-2 were not inhibited by the inhibitor. Kinetic studies with MLS-001 and SHP-2 revealed a competitive inhibition. The SHP-2 expressing cells treated with MLS-001 demonstrated reduced SHP-2 phosphatase activity, thereby suggesting that MLS-001 effectively passes through cell membranes. In addition, MLS-001 reduced SHP-2-mediated phosphorylation in the activation loop of ERK in cells. Therefore, MLS-001 could be a lead compound for developing a potent SHP-2 inhibitor.
Synthesis and biological activity test of some new five membered heterocycles
Xia, Qingchun,Xu, Dongfang,He, Qizhuang,Li, Xingyu,Sun, Dazhi
, p. 2433 - 2440 (2011/10/05)
A new series of 1,3,4-oxadiazoles, 1,2,4-triazoles, 1,3,4-thiadiazoles were synthesized using alkylhydrazides as the starting materials, and then 1,2,4-triazoles were used to synthesize [1,2,4]triazolo[3,4-b][1,3,4] thiadiazoles. All the compounds were evaluated for in vitro antibacterial activity and antitumor activity. A new series of five membered heterocyclic compounds were synthesized using alkylhydrazides as the starting materials. All the compounds were evaluated for in vitro antibacterial activity and antitumor activity.