In Vivo Tracking of Phagocytic Immune Cells Using a Dual Imaging Probe with Gadolinium-Enhanced MRI and Near-Infrared Fluorescence

Eun Joong Kim, Sankarprasad Bhuniya, Hyunseung Lee, Hyun Min Kim, Weon Sup Shin, Jong Seung Kim, Kwan Soo Hong

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

A novel dual imaging probe for in vivo magnetic resonance imaging (MRI) and optical imaging was developed by combining gadolinium (Gd)-chelating MR probe and a near-infrared (NIR) fluorophore, aza-BODIPY (AB; BODIPY = boron-dipyrromethene). This aza-BODIPY-based bimodal contrast agent (AB-BCA) showed a significant fluorescence emission around the NIR range and an enhanced longitudinal relaxivity in MR modality. The probe was easily delivered to phagocytic cells of the innate immune system, together with macrophages and dendritic cells (DCs), and presented high-performance fluorescence and MR imaging without obvious cytotoxicity. For in vivo visualization of AB-BCA using MRI and optical imaging, bone marrow-derived DCs were labeled and injected into the footpad of mice, and labeled DCs were tracked in vivo. We observed the migration of AB-BCA-labeled DCs into the lymph nodes via lymphatic vessels using NIR fluorescence and T1-weighted MR images. This dual-modality imaging probe was used for noninvasive monitoring of DC migration into lymph nodes and could be useful for investigating advanced cellular immunotherapy.

Original languageEnglish
Pages (from-to)10266-10273
Number of pages8
JournalACS Applied Materials and Interfaces
Volume8
Issue number16
DOIs
Publication statusPublished - 2016 Apr 27

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Gadolinium
Magnetic resonance
Fluorescence
Infrared radiation
Imaging techniques
Contrast Media
Boron
Fluorophores
Macrophages
Immune system
Cytotoxicity
Chelation
Bone
Visualization
4,4-difluoro-4-bora-3a,4a-diaza-s-indacene
Dendritic Cells
Monitoring

Keywords

  • aza-BODIPY
  • in vivo tracking
  • lymph node
  • magnetic resonance imaging
  • near-infrared fluorescence

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

In Vivo Tracking of Phagocytic Immune Cells Using a Dual Imaging Probe with Gadolinium-Enhanced MRI and Near-Infrared Fluorescence. / Kim, Eun Joong; Bhuniya, Sankarprasad; Lee, Hyunseung; Kim, Hyun Min; Shin, Weon Sup; Kim, Jong Seung; Hong, Kwan Soo.

In: ACS Applied Materials and Interfaces, Vol. 8, No. 16, 27.04.2016, p. 10266-10273.

Research output: Contribution to journalArticle

Kim, Eun Joong ; Bhuniya, Sankarprasad ; Lee, Hyunseung ; Kim, Hyun Min ; Shin, Weon Sup ; Kim, Jong Seung ; Hong, Kwan Soo. / In Vivo Tracking of Phagocytic Immune Cells Using a Dual Imaging Probe with Gadolinium-Enhanced MRI and Near-Infrared Fluorescence. In: ACS Applied Materials and Interfaces. 2016 ; Vol. 8, No. 16. pp. 10266-10273.
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