Targeted multimodal nano-reporters for pre-procedural MRI and intra-operative image-guidance.
Multimodal-imaging probes offer a novel approach, which can provide detail diagnostic information for the planning of image-guided therapies in clinical practice. Here we report targeted multimodal Nd3+-doped upconversion nanoparticle (UCNP) imaging reporters, integrating both magnetic resonance imaging (MRI) and real-time upconversion luminescence imaging (UCL) capabilities within a single platform. Nd3+-doped UCNPs were synthesized as a core-shell structure showing a bright visible emission upon excitation at the near infrared (minimizing biological overheating and increasing tissue penetration depth) as well as providing strong MRI T2 contrast (high r2/r1ratio). Transcatheter intra-arterial infusion of Nd3+-doped UCNPs conjugated with anti-CD44-monoclonal antibody allowed for high performance in vivo multimodal UCL and MR imaging of hepatocellular carcinoma (HCC) in an orthotopic rat model. The resulted in vivo multimodal imaging of Nd3+doped core-shell UCNPs combined with transcatheter intra-arterial targeting approaches successfully discriminated liver tumors from normal hepatic tissues in rats for surgical resection applications. The demonstrated multimodal UCL and MRI imaging capabilities of our multimodal UCNPs reporters suggest strong potential for in vivo visualization of tumors and precise surgical guidance to fill the gap between pre-procedural imaging and intraoperative reality.
Center for Nanoscale Materials, Argonne National Laboratory, Argonne, IL 60439, USA.
Joonseok
J
Lee
Department of Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA; Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA.
Andrew C
AC
Gordon
Department of Chemistry, Northwestern University, Evanston, IL 60208, USA.
Hacksung
H
Kim
Department of Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
Wooram
W
Park
Department of Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
Soojeong
S
Cho
Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, USA.
Byeongdu
B
Lee
Department of Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA; Robert H. Lurie Comprehensive Cancer Center, Chicago, IL 60611, USA; Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA; Department of Electrical Engineering and Computer Science, Evanston, IL 60208, USA; International Institute of Nanotechnology (IIN), Northwestern University, Evanston, IL 60208, USA.
Andrew C
AC
Larson
Center for Nanoscale Materials, Argonne National Laboratory, Argonne, IL 60439, USA. Electronic address: rozhkova@anl.gov.
Elena A
EA
Rozhkova
Department of Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA; Robert H. Lurie Comprehensive Cancer Center, Chicago, IL 60611, USA. Electronic address: dhkim@northwestern.edu.
Dong-Hyun
DH
Kim
D000818:Animals; D006528:Carcinoma, Hepatocellular / Q000000981:diagnostic imaging; D002460:Cell Line; D002470:Cell Survival; D003287:Contrast Media / Q000008:administration & dosage / Q000737:chemistry; D005456:Fluorescent Dyes / Q000008:administration & dosage / Q000737:chemistry; D006801:Humans; D007261:Infusions, Intra-Arterial; D007432:Intraoperative Period; D008099:Liver / Q000000981:diagnostic imaging; D008113:Liver Neoplasms / Q000000981:diagnostic imaging; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D064847:Multimodal Imaging / Q000379:methods*; D053758:Nanoparticles / Q000008:administration & dosage / Q000737:chemistry*; D009354:Neodymium / Q000737:chemistry*; D061848:Optical Imaging / Q000379:methods*; D010316:Particle Size; D017207:Rats, Sprague-Dawley; D013050:Spectrometry, Fluorescence / Q000379:methods; D013499:Surface Properties; D014018:Tissue Distribution
D003287:Contrast Media; D005456:Fluorescent Dyes; D009354:Neodymium
Cancer; Interventional radiology; Medical imaging; Multimodal probe; Upconversion nanoparticles
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