Mesoscopic Multimodal Imaging Provides New Insight to Tumor Tissue Evaluation

An Example of Macrophage Imaging of Hepatic Tumor using Organosilica Nanoparticles

Michihiro Nakamura, Koichiro Hayashi, Hitoshi Kubo, Masafumi Harada, Keisuke Izumi, Yoshihiro Tsuruo, Toshinobu Yogo

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Multimodal imaging using novel multifunctional nanoparticles provides new approach to biomedical field. Thiol-organosilica nanoparticles containing iron oxide magnetic nanoparticles (MNPs) and rhodamine B (thiol OS-MNP/Rho) were applied to multimodal imaging of hepatic tumor of Long-Evans Cinnamon (LEC) rat. The magnetic resonance imaging (MRI) of LEC rats revealed tumors in the liver clearly and semi-quantitatively due to a labeling of macrophages in liver. The fluorescent imaging (FI) showed abnormal fluorescent patterns of the liver at the mesoscopic level that was between macroscopic and microscopic level. We performed correlation analysis between optical imaging including FI and MRI. We found that the labeled macrophages located specific area in the tumor tissue and influenced the tumor size on MRI. In addition histological observation showed the labeled macrophages related specific tissue in the pathological region. We demonstrated a new approach to evaluate tumor tissue at the macroscopic and microscopic level as well as mesoscopic level using multimodal imaging.

Original languageEnglish
Article number3953
JournalScientific reports
Volume7
Issue number1
DOIs
Publication statusPublished - Dec 1 2017

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Multimodal Imaging
Nanoparticles
Macrophages
Inbred LEC Rats
Liver
rhodamine B
Magnetic Resonance Imaging
Neoplasms
Sulfhydryl Compounds
Optical Imaging
Observation

All Science Journal Classification (ASJC) codes

  • General

Cite this

Mesoscopic Multimodal Imaging Provides New Insight to Tumor Tissue Evaluation : An Example of Macrophage Imaging of Hepatic Tumor using Organosilica Nanoparticles. / Nakamura, Michihiro; Hayashi, Koichiro; Kubo, Hitoshi; Harada, Masafumi; Izumi, Keisuke; Tsuruo, Yoshihiro; Yogo, Toshinobu.

In: Scientific reports, Vol. 7, No. 1, 3953, 01.12.2017.

Research output: Contribution to journalArticle

Nakamura, Michihiro ; Hayashi, Koichiro ; Kubo, Hitoshi ; Harada, Masafumi ; Izumi, Keisuke ; Tsuruo, Yoshihiro ; Yogo, Toshinobu. / Mesoscopic Multimodal Imaging Provides New Insight to Tumor Tissue Evaluation : An Example of Macrophage Imaging of Hepatic Tumor using Organosilica Nanoparticles. In: Scientific reports. 2017 ; Vol. 7, No. 1.
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