4-Alkyloxyimino Derivatives of Uridine-5′-triphosphate: Distal Modification of Potent Agonists as a Strategy for Molecular Probes of P2Y<sub>2</sub>, P2Y<sub>4</sub>, and P2Y<sub>6</sub> Receptors
作者:P. Suresh Jayasekara、Matthew O. Barrett、Christopher B. Ball、Kyle A. Brown、Eva Hammes、Ramachandran Balasubramanian、T. Kendall Harden、Kenneth A. Jacobson
DOI:10.1021/jm500367e
日期:2014.5.8
Extended N4-(3-arylpropyl)oxy derivatives of uridine-5′-triphosphate were synthesized and potently stimulated phospholipase C stimulation in astrocytoma cells expressing G protein-coupled human (h) P2Y receptors (P2YRs) activated by UTP (P2Y2/4R) or UDP (P2Y6R). The potent P2Y4R-selective N4-(3-phenylpropyl)oxy agonist was phenyl ring-substituted or replaced with terminal heterocyclic or naphthyl rings
合成了尿苷-5'-三磷酸的扩展N 4 -(3-芳基丙基)氧基衍生物,并在星形细胞瘤细胞中有效刺激磷脂酶 C 刺激,该细胞表达 G 蛋白偶联的人 (h) P2Y 受体 (P2YRs),由 UTP (P2Y 2/ 4 R) 或 UDP (P2Y 6 R)。有效的 P2Y 4 R-选择性N 4 -(3-苯基丙基)氧基激动剂被苯环取代或被末端杂环或萘基环取代,同时保留了 P2YR 效力。对于两个核碱基均被取代的二核苷四磷酸激动剂,未观察到对远端区域空间位阻的这种广泛耐受性。有效的N 4 -(3-(4-甲氧基苯基)-丙基)氧基类似物19 (EC 50 : P2Y 2 R, 47 nM; P2Y 4 R, 23 nM) 被功能化用于链延伸,使用荧光团的点击束缚作为辅基。的BODIPY 630/650缀合物28(MRS4162)显示出EC 50个的70值,66,和23 nM的在hP2Y 2/4/6分别Rs时,和特异性标记细胞中表达P2Y