期刊
JOURNAL OF BIOMEDICAL OPTICS
卷 19, 期 3, 页码 -出版社
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.JBO.19.3.036006
关键词
near infrared; fluorescent; probe; type 2 cannabinoid receptor; zwitterionic; optical imaging
资金
- Department of Radiology, University of Pittsburgh
- [P30CA047904]
Recent studies indicate that the type 2 cannabinoid receptors (CB2R) have become an attractive target for treating a variety of pathologies, including cancers, neurodegenerative diseases, inflammation, pain, osteoporosis, immunological disorders and drug abuse. In addition, it appears that many of these diseases have up-regulated CB2R expression. However, the precise role of CB2R in the regulation of diseases remains unclear. The ability to specifically image CB2R would contribute to develop reliable CB2R-based therapeutic approaches with a better understanding of the mechanism of CB2R action in these diseases. We developed a CB2R-targeted zwitterionic near-infrared (NIR) fluorescent probe, ZW760-mbc94. When compared with a previously reported CB2R probe (NIR760-mbc94) with the same targeting moiety but a charged NIR fluorescent dye, ZW760-mbc94 showed improved binding specificity in vitro and ex vivo. Overall, ZW760-mbc94 appears to have great potential as a CB2R-targeted contrast agent. (C) 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)
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