期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 52, 期 4, 页码 926-931出版社
AMER CHEMICAL SOC
DOI: 10.1021/jm8014052
关键词
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The adenosine receptor subfamily consists of the adenosine A(1), A(2A), A(2B), and A(3) receptors, which are localized in a variety of tissues throughout the human body. It is, therefore, a challenge to develop receptor specific ligands with improved tissue selectivity. Allosteric modulators could have these therapeutic advantages over orthosteric ligands. In the present study, a series of 2,4-disubstituted quinolines were synthesized on the basis of the structure of LUF6000 (34). Compound 27 (LUF6096) was able to allosterically enhance agonist binding to a similar extent as 34. In addition, this new compound showed low, if any, orthosteric affinity for any of the adenosine receptors. In a functional assay, compound 27 showed improved activity in comparison to 34, as it increased both the intrinsic efficacy and the potency of the reference agonist Cl-IB-MECA at the human adenosine A(3) receptor.
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