期刊
NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE
卷 8, 期 6, 页码 1007-1016出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nano.2011.10.013
关键词
MRI; SPECT; Imaging; Dual modality; Nanoparticles
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC)
Specific bioprobes for single photon emission computed tomography (SPECT) and magnetic resonance imaging (MRI) have enormous potential for use in cancer imaging in near-future clinical settings. The authors describe the development of dual modality molecular imaging bioprobes, in the form of magnetic nanoparticles (NPs) conjugated to antibodies, for SPECT and MRI of mesothelin-expressing cancers. The bioprobes were developed by conjugating In-111 labeled antimesothelin antibody mAbMB to superparamagnetic iron oxide NPs. Our experimental findings provide evidence that such bioprobes retain their magnetic properties as well as the ability to specifically localize in mesothelin-expressing tumors. It is anticipated that combining SPECT with MR will help obtain both functional and anatomical imaging information with high signal sensitivity and contrast, thereby providing a powerful diagnostic tool for early diagnosis and treatment planning of mesothelin-expressing cancers. From the Clinical Editor: This team of investigators presents a dual-modality functionalized contrast material that enables tumor visualization both via MRI and SPECT. Similar systems are likely to be utilized in future cancer research. (C) 2012 Elsevier Inc. All rights reserved.
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