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3-(3-吡啶基)-2-膦酰基丙酸的N-氧化物衍生物作为Rab香叶基香叶基化的潜在抑制剂

N-Oxide derivatives of 3-(3-pyridyl)-2-phosphonopropanoic acids as potential inhibitors of Rab geranylgeranylation.

作者信息

Zhou Xiang, Born Ella J, Allen Cheryl, Holstein Sarah A, Wiemer David F

机构信息

Department of Chemistry, University of Iowa, Iowa City, IA 52242-1294, USA.

Department of Internal Medicine, University of Iowa, Iowa City, IA 52242-1294, USA.

出版信息

Bioorg Med Chem Lett. 2015 Jun 1;25(11):2331-4. doi: 10.1016/j.bmcl.2015.04.021. Epub 2015 Apr 17.

Abstract

The N-oxide derivatives of [2-(3-pyridinyl)-1-hydroxyethylidene-1,1-phosphonocarboxylic acid (or PEHPC) and [2-(3-pyridinyl)-1-ethylidene-1,1-phosphonocarboxylic acid (or PEPC) have been prepared and evaluated for their activity against several enzymes which utilize isoprenoids. The parent pyridines are known inhibitors of GGTase II, but the N-oxide derivatives show no improvement in biological activity in assays with the isolated enzyme. However, the PEHPC N-oxide did induce significant accumulation of intracellular light chain in myeloma cells, consistent with inhibition of Rab geranylgeranylation.

摘要

已制备了[2-(3-吡啶基)-1-羟基亚乙基-1,1-膦酰基羧酸(或PEHPC)和[2-(3-吡啶基)-1-亚乙基-1,1-膦酰基羧酸(或PEPC)的N-氧化物衍生物,并对它们针对几种利用类异戊二烯的酶的活性进行了评估。母体吡啶是已知的γ-谷氨酰转移酶II抑制剂,但在与分离酶的测定中,N-氧化物衍生物的生物活性没有改善。然而,PEHPC N-氧化物确实在骨髓瘤细胞中诱导了细胞内轻链的显著积累,这与Rab香叶基香叶基化的抑制一致。

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