Migration and differentiation of nuclear fluorescence-labeled bone marrow stromal cells after transplantation into cerebral infarct and spinal cord injury in mice

Jang Bo Lee, Satoshi Kuroda, Hideo Shichinohe, Jun Ikeda, Toshitaka Seki, Kazutoshi Hida, Mitsuhiro Tada, Ken Ichi Sawada, Yoshinobu Iwasaki

Research output: Contribution to journalArticle

156 Citations (Scopus)

Abstract

There is increasing evidence that bone marrow stromal cells (BMSC) have the potential to migrate into the injured neural tissue and to differentiate into the CNS cells, indicating the possibility of autograft transplantation therapy. The present study was aimed to clarify whether the mouse BMSC can migrate into the lesion and differentiate into the CNS cells when transplanted into the mice subjected to focal cerebral infarct or spinal cord injury. The BMSC were harvested from mice and characterized by flow cytometry. Then, the BMSC were labeled by bis-benzimide, a nuclear fluorescence dye, over 24 h, and were stereotactically transplanted into the brain or spinal cord of the mice. The cultured BMSC expressed low levels of CD45 and high levels of CD90 and Sca-1 on flow cytometry. A large number of grafted cells survived in the normal brain 4 weeks after transplantation, many of which were located close to the transplanted sites. They expressed the neuronal marker including NeuN, MAP2, and doublecortin on fluorescent immunohistochemistry. However, when the BMSC were transplanted into the ipsilateral striatum of the mice subjected to middle cerebral artery occlusion, many of the grafted cells migrated into the corpus callosum and injured cortex, and also expressed the neuronal markers 4 weeks after transplantation. In particular, NeuN was very useful to validate the differentiation of the grafted cells, because the marker was expressed in the nuclei and was overlapped with bis-benzimide. Similar results were obtained in the mice subjected to spinal cord injury. However, many of the transplanted BMSC expressed GFAP, an astrocytic protein, in injured spinal cord. The present results indicate that the mouse BMSC can migrate into the CNS lesion and differentiate into the neurons or astrocytes, and that bisbenzimide is a simple and useful marker to label the donor cells and to evaluate their migration and differentiation in the host neural tissues over a long period.

Original languageEnglish
Pages (from-to)169-180
Number of pages12
JournalNeuropathology
Volume23
Issue number3
DOIs
Publication statusPublished - 2003 Sep 1
Externally publishedYes

Fingerprint

Cell Transplantation
Mesenchymal Stromal Cells
Spinal Cord Injuries
Fluorescence
Transplantation
Spinal Cord
Flow Cytometry
Bisbenzimidazole
Corpus Callosum
Middle Cerebral Artery Infarction
Autografts
Brain
Astrocytes
Cell Differentiation
Cultured Cells
Coloring Agents
Cell Count
Immunohistochemistry
Neurons

Keywords

  • Bis-benzimide
  • Bone marrow stromal cells
  • Cerebral infarct
  • Mice
  • Spinal cord injury
  • Transplantation

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Neuroscience(all)

Cite this

Migration and differentiation of nuclear fluorescence-labeled bone marrow stromal cells after transplantation into cerebral infarct and spinal cord injury in mice. / Lee, Jang Bo; Kuroda, Satoshi; Shichinohe, Hideo; Ikeda, Jun; Seki, Toshitaka; Hida, Kazutoshi; Tada, Mitsuhiro; Sawada, Ken Ichi; Iwasaki, Yoshinobu.

In: Neuropathology, Vol. 23, No. 3, 01.09.2003, p. 169-180.

Research output: Contribution to journalArticle

Lee, Jang Bo ; Kuroda, Satoshi ; Shichinohe, Hideo ; Ikeda, Jun ; Seki, Toshitaka ; Hida, Kazutoshi ; Tada, Mitsuhiro ; Sawada, Ken Ichi ; Iwasaki, Yoshinobu. / Migration and differentiation of nuclear fluorescence-labeled bone marrow stromal cells after transplantation into cerebral infarct and spinal cord injury in mice. In: Neuropathology. 2003 ; Vol. 23, No. 3. pp. 169-180.
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