ArticleMolecular imaging and biology2013
Dual reporter gene imaging for tracking macrophage migration using the human sodium iodide symporter and an enhanced firefly luciferase in a murine inflammation model.
Article in Molecular imaging and biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 32 citations in OpenAlex.
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- Advances in Molecular Imaging Strategies forBioMed research international · 2016Review
- Sodium Iodide Symporter PET and BLI Noninvasively Reveal Mesoangioblast Survival in Dystrophic Mice.Stem cell reports · 2015Article
- Combined Fluorescence and Magnetic Resonance Imaging of Primary Macrophage Migration to Sites of Acute Inflammation Using Near-Infrared Fluorescent Magnetic Nanoparticles.Molecular imaging and biology · 2015Article
- Tracking of dendritic cell migration into lymph nodes using molecular imaging with sodium iodide symporter and enhanced firefly luciferase genes.Scientific reports · 2015Article
- In vivo cell tracking with bioluminescence imaging.Nuclear medicine and molecular imaging · 2015Review
- Unveiling Invisible Extracellular Vesicles: Cutting-Edge Technologies for Their in Vivo Visualization.Wiley interdisciplinary reviews. Nanomedicine and nanobiotechnologyReview
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe purpose of this study is to visualize the migration of reporter macrophages expressing both the human sodium iodide symporter (hNIS) and enhanced firefly luciferase (effluc) gene in mice with chemically induced inflammation. PROCEDURES: A macrophage cell line expressing both hNIS and effluc genes (Raw264.7/hNIS-effluc, herein referred to as a Raw264.7/NF) was established by cotransduction of two genes into a murine macrophage cell line (Raw264.7), and cell proliferation and phagocytic activity were compared between parental Raw264.7 and Raw264.7/NF cells. Both serial bioluminescence imaging (BLI) and small animal positron emission tomography (PET) imaging with I-124 were performed in inflammation-induced mice at various time points after intravenous injection of either Raw264.7 or Raw264.7/NF cells.
resultsThere was no significant difference in cellular proliferation and phagocytic activity between parental Raw264.7 and Raw264.7/NF cells. Early distribution of Raw264.7/NF cells was successfully visualized in the lung and spleen by BLI, but not by I-124 PET imaging. BLI signals, but not PET signals, were observed from the inflammation site at day 4 after the injection of Raw264.7/NF cells, and the signal intensity gradually increased until day 8. In contrast, focal uptake of I-124 was first detected at the site of inflammation at postinjection day 8, and signal intensity from the inflamed lesion was highest at that time point. While visualization of the inflamed lesion was possible by both BLI and PET imaging until day 14, it was only possible by BLI until day 21 after injection.
conclusionsTracking of macrophage migration toward inflammation foci was successfully achieved in vivo from early time points by dual reporter gene imaging with a combination of nuclear and optical reporters. Multimodal reporter imaging of macrophages might successfully overcome the limitations of single reporter gene imaging in preclinical models of inflammation.
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