期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 59, 期 3, 页码 934-946出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.5b01378
关键词
-
资金
- National Natural Science Foundation of China [21471019]
We have designed and synthesized a series of cyclopentadienyl tricarbonyl rhenium complexes containing a 5,6-dimethoxyisoindoline or a 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline pharmacophore as sigma(2) receptor ligands. Rhenium compound 20a possessed low nanomolar sigma(2) receptor affinity (K-i = 2.97 nM) and moderate subtype selectivity (10-fold). Moreover, it showed high selectivity toward vesicular acetylcholine transporter (2374-fold), dopamine D-2L receptor, NMDA receptor, opiate receptor, dopamine transporter, norepinephrine transporter, and serotonin transporter. Its corresponding radiotracer [Tc-99m]20b showed high uptake in a time- and dose-dependent manner in DU145 prostate cells and C6 glioma cells. In addition, this tracer exhibited high tumor uptake (5.92% ID/g at 240 min) and high tumor/blood and tumor/muscle ratios (21 and 16 at 240 min, respectively) as well as specific binding to sigma receptors in nude mice bearing C6 glioma xenografts. Small animal SPECT/CT imaging of [Tc-99m]20b in the C6 glioma xenograft model demonstrated a clear visualization of the tumor at 180 min after injection.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据