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In vivo magnetic resonance detection of cancer by using multifunctional magnetic nanocrystals

Authors
 Yong-Min Huh  ;  Young-wook Jun  ;  Ho-Taek Song  ;  Sungjun Kim  ;  Jin-sil Choi  ;  Jae-Hyun Lee  ;  Sarah Yoon  ;  Kyung-Sup Kim  ;  Jeon-Soo Shin  ;  Jin-Suck Suh  ;  Jinwoo Cheon 
Citation
 Journal of the American Chemical Socierty, Vol.127(35) : 12387-12391, 2005 
Journal Title
 Journal of the American Chemical Socierty 
ISSN
 0002-7863 
Issue Date
2005
Abstract
The unique properties of magnetic nanocrystals provide them with high potential as key probes and vectors in the next generation of biomedical applications. Although superparamagnetic iron oxide nanocrystals have been extensively studied as excellent magnetic resonance imaging (MRI) probes for various cell trafficking, gene expression, and cancer diagnosis, further development of in vivo MRI applications has been very limited. Here, we describe in vivo diagnosis of cancer, utilizing a well-defined magnetic nanocrystal probe system with multiple capabilities, such as small size, strong magnetism, high biocompatibility, and the possession of active functionality for desired receptors. Our magnetic nanocrystals are conjugated to a cancer-targeting antibody, Herceptin, and subsequent utilization of these conjugates as MRI probes has been successfully demonstrated for the monitoring of in vivo selective targeting events of human cancer cells implanted in live mice. Further conjugation of these nanocrystal probes with fluorescent dye-labeled antibodies enables both in vitro and ex vivo optical detection of cancer as well as in vivo MRI, which are potentially applicable for an advanced multimodal detection system. Our study finds that high performance in vivo MR diagnosis of cancer is achievable by utilizing improved and multifunctional material properties of iron oxide nanocrystal probes.
Full Text
http://pubs.acs.org/doi/abs/10.1021/ja052337c
DOI
10.1021/ja052337c
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Biochemistry and Molecular Biology (생화학-분자생물학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Microbiology (미생물학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyung Sup(김경섭) ORCID logo https://orcid.org/0000-0001-8483-8537
Kim, Sungjun(김성준) ORCID logo https://orcid.org/0000-0002-7876-7901
Suh, Jin Suck(서진석) ORCID logo https://orcid.org/0000-0001-9455-9240
Song, Ho Taek(송호택) ORCID logo https://orcid.org/0000-0002-6655-2575
Shin, Jeon Soo(신전수) ORCID logo https://orcid.org/0000-0002-8294-3234
Yoon, Sa Rah(윤사라)
Huh, Yong Min(허용민) ORCID logo https://orcid.org/0000-0002-9831-4475
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/150033
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