Abstract:
:The CXCR4/CXCL12 chemokine axis can chemotactically accumulate inflammatory cells to local tissues and regulate the release of inflammatory factors. Developing novel CXCR4 modulators may provide a desirable strategy to control the development of inflammation. A series of novel hybrids were designed by integrating the key pharmacophores of three CXCR4 modulators. The majority of compounds displayed potent CXCR4 binding affinity. Compound 7a exhibited 1000-fold greater affinity than AMD3100 and significantly inhibited invasion of CXCR4-positive tumor cells. Additionally, compound 7a blocked mice ear inflammation by 67% and suppressed the accumulation of inflammatory cells in an in vivo mouse ear edema evaluation. Western blot analyses revealed that 7a inhibited the CXCR4/CXCL12-mediated phosphorylation of Akt and p44 in a dose-dependent manner. Moreover, compound 7a had no observable cytotoxicity and displayed a favorable plasma stability in our preliminary pharmacokinetic study. These results confirmed that this is a feasible method to develop CXCR4 modulators for the regulation and reduction of inflammation.
journal_name
Eur J Med Chemjournal_title
European journal of medicinal chemistryauthors
Bai R,Sun J,Liang Z,Yoon Y,Salgado E,Feng A,Oum Y,Xie Y,Shim Hdoi
10.1016/j.ejmech.2018.02.085subject
Has Abstractpub_date
2018-04-25 00:00:00pages
195-205eissn
0223-5234issn
1768-3254pii
S0223-5234(18)30228-9journal_volume
150pub_type
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