Optimization of N-benzyl-benzoxazol-2-ones as receptor antagonists of macrophage migration inhibitory factor (MIF).

Optimization of N-benzyl-benzoxazol-2-ones as receptor antagonists of macrophage migration inhibitory factor (MIF).
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DOI:
10.1016/j.bmcl.2010.07.129
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发表时间:
2010-10-01
影响因子:
2.7
通讯作者:
Jorgensen, William L.
Jorgensen, William L.
中科院分区:
医学4区
文献类型:
--
作者:
Hare, Alissa A.;Leng, Lin;Gandavadi, Sunilkumar;Du, Xin;Cournia, Zoe;Bucala, Richard;Jorgensen, William L.

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The cytokine MIF is involved in inflammation and cell proliferation via pathways initiated by its binding to the transmembrane receptor CD74. MIF also exhibits keto-enol tautomerase activity, believed to be vestigial in mammals. Starting from a 1-μM hit from virtual screening, substituted benzoxazol-2-ones have been discovered as antagonists with IC50 values as low as 7.5 nM in a tautomerase assay and 80 nM in a MIF-CD74 binding assay. Additional studies for one of the potent inhibitors demonstrated that it is not a covalent inhibitor of MIF and that it attenuates MIF-dependent ERK1/2 phosphorylation in human synovial fibroblasts.
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