Document Detail

Molecular Imaging of β-Amyloid Plaques with Near-Infrared Boron Dipyrromethane (BODIPY)-Based Fluorescent Probes.
MedLine Citation:
PMID:  23759374     Owner:  NLM     Status:  In-Data-Review    
AbstractThe formation of β-amyloid (Aβ) plaques is a critical neurodegenerative change in Alzheimer disease (AD). We designed and synthesized novel boron dipyrromethane (BODIPY)-based Aβ probes (BAPs) and evaluated their utility for near-infrared fluorescence imaging of Aβ plaques in the brain. In binding experiments in vitro, BAPs showed high affinity for synthetic Aβ aggregates (Kd  =  18-149 nM). Furthermore, BAPs clearly stained Aβ plaques in sections of Tg2576 mice. In mouse brain tissue, BAPs showed sufficient uptake for optical imaging. In addition, ex vivo fluorescent staining of brain sections from Tg2576 mice after the injection of BAP-2 showed selective binding of Aβ plaques with little nonspecific binding. BAPs may be useful as a near-infrared fluorescent probe for imaging Aβ plaques.
Hiroyuki Watanabe; Masahiro Ono; Kenji Matsumura; Masashi Yoshimura; Hiroyuki Kimura; Hideo Saji
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Molecular imaging     Volume:  12     ISSN:  1536-0121     ISO Abbreviation:  Mol Imaging     Publication Date:  2013 Aug 
Date Detail:
Created Date:  2013-06-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101120118     Medline TA:  Mol Imaging     Country:  United States    
Other Details:
Languages:  eng     Pagination:  338-47     Citation Subset:  IM    
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