Identification of novel agonists of the integrin CD11b/CD18.
Identification of novel agonists of the integrin CD11b/CD18.
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DOI:
10.1016/j.bmcl.2009.10.077
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发表时间:
2009-12-15
影响因子:
2.7
通讯作者:
Gupta V
中科院分区:
文献类型:
--
作者:
Faridi MH;Maiguel D;Barth CJ;Stoub D;Day R;Schürer S;Gupta V
We report the identification of novel small molecule agonists of integrin CD11b/CD18, which increased, in a dose-dependent manner, the adhesion of the integrin CD11b/CD18 expressing cells to two physiologically relevant ligands: Fibrinogen and iC3b. Compound 6 showed an ex vivo EC50 of 10.5 μM and in vitro selectivity for binding to the recombinant αA-domain of CD11b/CD18. In silico docking experiments suggest that the compounds recognized a hydrophobic cleft in the ligand-binding αA-domain, implying an allosteric mechanism of modulation of integrin affinity by this novel compound.
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