In vivo tracking of bone marrow stromal cells transplanted into mice cerebral infarct by fluorescence optical imaging

Hideo Shichinohe, Satoshi Kuroda, Jang Bo Lee, Goro Nishimura, Shunsuke Yano, Toshitaka Seki, Jun Ikeda, Mamoru Tamura, Yoshinobu Iwasaki

Research output: Contribution to journalArticle

78 Citations (Scopus)

Abstract

Recent experimental studies have indicated that bone marrow stromal cells (BMSC) improve neurological deficits when transplanted into the animal models of various neurological disorders, although precise mechanism still remains unclear. In this study, we developed a new in vivo fluorescence optical imaging protocol to sequentially track the transplanted into the brain of the living animals subjected to cerebral infarct. Mice BMSC were harvested from transgenic mice expressing green fluorescent protein (BMSC-GFP). They were stereotactically transplanted into the ipsilateral striatum of mice subjected to permanent middle cerebral artery occlusion after 7 days of ischemia (n=12). During 12 weeks after transplantation, the skull was exposed and the green fluorescence emitted from the brain surface was sequentially observed, using in vivo fluorescence optical microscopy. As the results, regional green fluorescence was detected in the ipsilateral parietal region 4-12 weeks after transplantation in all animals and became more apparent over the time. The images obtained through the skull were very similar to those acquired by thinning or removing the skull. Immunohistochemistry evaluation revealed that the transplanted cells migrated towards the ischemic boundary zone and expressed the neuronal or astrocytic marker, supporting the findings on fluorescence optical images. Sequential visualization of the BMSC transplanted into the brain of living animals would be valuable for monitoring the migration, growth and differentiation of the transplanted cells to explore the fate and safety of stem cell transplantation for various neurological disorders.

Original languageEnglish
Pages (from-to)166-175
Number of pages10
JournalBrain Research Protocols
Volume13
Issue number3
DOIs
Publication statusPublished - 2004 Aug 1
Externally publishedYes

Fingerprint

Optical Imaging
Mesenchymal Stromal Cells
Skull
Fluorescence
Nervous System Diseases
Brain
Transplantation
Parietal Lobe
Middle Cerebral Artery Infarction
Stem Cell Transplantation
Green Fluorescent Proteins
Fluorescence Microscopy
Transgenic Mice
Cell Differentiation
Ischemia
Animal Models
Immunohistochemistry
Safety
Growth

Keywords

  • Bone marrow stromal cell
  • Differentiation
  • Disorders of the nervous system
  • Fluorescence optical imaging
  • Green fluorescence protein
  • Ischemia
  • Migration
  • Transplantation

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

In vivo tracking of bone marrow stromal cells transplanted into mice cerebral infarct by fluorescence optical imaging. / Shichinohe, Hideo; Kuroda, Satoshi; Lee, Jang Bo; Nishimura, Goro; Yano, Shunsuke; Seki, Toshitaka; Ikeda, Jun; Tamura, Mamoru; Iwasaki, Yoshinobu.

In: Brain Research Protocols, Vol. 13, No. 3, 01.08.2004, p. 166-175.

Research output: Contribution to journalArticle

Shichinohe, Hideo ; Kuroda, Satoshi ; Lee, Jang Bo ; Nishimura, Goro ; Yano, Shunsuke ; Seki, Toshitaka ; Ikeda, Jun ; Tamura, Mamoru ; Iwasaki, Yoshinobu. / In vivo tracking of bone marrow stromal cells transplanted into mice cerebral infarct by fluorescence optical imaging. In: Brain Research Protocols. 2004 ; Vol. 13, No. 3. pp. 166-175.
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