Anti-CEA-functionalized superparamagnetic iron oxide nanoparticles for examining colorectal tumors in vivo

Kai Wen Huang, Jen-Je Chieh, In Tsang Lin, Herng-Er Horng, Hong-Chang Yang, Chin Yih Hong

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Although the biomarker carcinoembryonic antigen (CEA) is expressed in colorectal tumors, the utility of an anti-CEA-functionalized image medium is powerful for in vivo positioning of colorectal tumors. With a risk of superparamagnetic iron oxide nanoparticles (SPIONPs) that is lower for animals than other material carriers, anti-CEA-functionalized SPIONPs were synthesized in this study for labeling colorectal tumors by conducting different preoperatively and intraoperatively in vivo examinations. In magnetic resonance imaging (MRI), the image variation of colorectal tumors reached the maximum at approximately 24 h. However, because MRI requires a nonmetal environment, it was limited to preoperative imaging. With the potentiality of in vivo screening and intraoperative positioning during surgery, the scanning superconducting-quantum-interference-device biosusceptometry (SSB) was adopted, showing the favorable agreement of time-varied intensity with MRI. Furthermore, biological methodologies of different tissue staining methods and inductively coupled plasma (ICP) yielded consistent results, proving that the obtained in vivo results occurred because of targeted anti-CEA SPIONPs. This indicates that developed anti-CEA SPIONPs owe the utilities as an image medium of these in vivo methodologies.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalNanoscale Research Letters
Volume8
Issue number1
DOIs
Publication statusPublished - 2013 Nov 14

Fingerprint

Carcinoembryonic Antigen
antigens
Antigens
Iron oxides
iron oxides
Tumors
tumors
Nanoparticles
Magnetic resonance
nanoparticles
magnetic resonance
Imaging techniques
positioning
methodology
Nonmetals
biomarkers
SQUIDs
Inductively coupled plasma
Biomarkers
staining

Keywords

  • Carcinoembryonic antigen
  • Magnetic nanoparticles
  • Magnetic resonance imaging
  • Scanning superconducting-quantum-interferencedevice biosusceptometry

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Anti-CEA-functionalized superparamagnetic iron oxide nanoparticles for examining colorectal tumors in vivo. / Huang, Kai Wen; Chieh, Jen-Je; Lin, In Tsang; Horng, Herng-Er; Yang, Hong-Chang; Hong, Chin Yih.

In: Nanoscale Research Letters, Vol. 8, No. 1, 14.11.2013, p. 1-8.

Research output: Contribution to journalArticle

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