Potent and selective fluoroketone inhibitors of group VIA calcium-independent phospholipase A2.

Potent and selective fluoroketone inhibitors of group VIA calcium-independent phospholipase A2.
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DOI:
10.1021/jm901872v
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发表时间:
2010-05-13
影响因子:
7.3
通讯作者:
Dennis, Edward A.
Dennis, Edward A.
中科院分区:
医学1区
文献类型:
--
作者:
Kokotos, George;Hsu, Yuan-Hao;Burke, John E.;Baskakis, Constantinos;Kokotos, Christoforos G.;Magrioti, Victoria;Dennis, Edward A.

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VIA族钙非依赖性磷脂酶A2(GVIA iPLA 2)最近成为一种新的药物靶点。我们现在已经探索了氟酮和GVIA iPLA 2抑制之间的结构-活性关系。萘基的存在被证明是至关重要的。1,1,1-三氟-6-(萘-2-基)己-2-酮(FKGK 18)是迄今报道的最有效的GVIA iPLA 2抑制剂(XI(50)0.0002)。对GVIA iPLA 2的效力分别是对GIVA cPLA 2和GV sPLA 2的效力的195倍和>455倍,使得其成为探索GVIA iPLA 2在细胞和体内模型中的作用的有价值的工具。1,1,1,2,2,3,3-七氟-8-(萘-2-基)辛烷-4-酮抑制GVIA iPLA 2的XI(50)值为0.001,而抑制其他细胞内GIVA cPLA 2和GV sPLA 2的效力至少低90倍。还发现六氟酮和八氟酮是GVIA iPLA 2的有效抑制剂;然而,它们没有选择性。
Group VIA calcium-independent phospholipase A2 (GVIA iPLA2) has recently emerged as a novel pharmaceutical target. We have now explored the structure-activity relationship between fluoroketones and GVIA iPLA2 inhibition. The presence of a naphthyl group proved to be of paramount importance. 1,1,1-Trifluoro-6-(naphthalen-2-yl)hexan-2-one (FKGK18) is the most potent inhibitor of GVIA iPLA2 (XI(50) 0.0002) ever reported. Being 195 and >455 times more potent for GVIA iPLA2 than for GIVA cPLA2 and GV sPLA2, respectively, makes it a valuable tool to explore the role of GVIA iPLA2 in cells and in vivo models. 1,1,1,2,2,3,3-Heptafluoro-8-(naphthalene-2-yl) octan-4-one inhibited GVIA iPLA2 with a XI(50) value of 0.001, while inhibiting the other intracellular GIVA cPLA2 and GV sPLA2 at least 90-times less potently. Hexa- and octa-fluoro ketones were also found to be potent inhibitors of GVIA iPLA2; however they are not selective.
溴烯醇内酯和三氟甲基酮对巨噬细胞 CA2+-独立磷脂酶 A(2) 的抑制
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期刊: JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1
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