Functional recovery after the transplantation of neurally differentiated mesenchymal stem cells derived from bone barrow in a rat model of spinal cord injury

Sung Rae Cho, Yong Rae Kim, Hoi Sung Kang, Sun Hee Yim, Chang Il Park, Yoo Hong Min, Bae Hwan Lee, Ji Cheol Shin, Jong Baeck Lim

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

This study was designed to investigate functional recovery after the transplantation of mesenchymal stem cells (MSCs) or neurally differentiated MSCs (NMSCs) derived from bone marrow in a rat model of spinal cord injury (SCI). Sprague-Dawley rats were subjected to incomplete SCI using an NYU impactor to create a free drop contusion at the T9 level. The SCI rats were then classified into three groups; MSCs, NMSCs, and phosphate-buffered saline (PBS)-treated groups. The cells or PBS were administrated 1 week after SCI. Basso-Beattie-Bresnahan (BBB) locomotor rating scores were measured at 1-week intervals for 9 weeks. Somatosensory evoked potentials (SSEPs) and motor evoked potentials (MEPs) were also recorded 8 weeks after transplantation. While transplantation of MSCs led to a clear tendency of motor recovery, NMSC-treated rats had significantly improved BBB scores and showed significantly shortened initial latency, N1 latency, and P1 latency of the SSEPs compared to PBS controls. In addition, 5-bromo-2-deoxyuridine (BrdU)-prelabeled MSCs costained for BrdU and glial fibrillary acidic protein (GFAP) or myelin basic protein (MBP) were found rostrally and caudally 5 mm each from the epicenter of the necrotic cavity 4 weeks after transplantation. These results suggest that neurally differentiated cells might be an effective therapeutic source for functional recovery after SCI.

Original languageEnglish
Pages (from-to)1359-1368
Number of pages10
JournalCell transplantation
Volume18
Issue number12
DOIs
Publication statusPublished - 2009

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Stem cells
Mesenchymal Stromal Cells
Spinal Cord Injuries
Rats
Bone
Transplantation
Bioelectric potentials
Bone and Bones
Recovery
Mesenchymal Stem Cell Transplantation
Phosphates
Somatosensory Evoked Potentials
Proteins
Motor Evoked Potentials
Deoxyuridine
Myelin Basic Protein
Contusions
Glial Fibrillary Acidic Protein
Bromodeoxyuridine
Sprague Dawley Rats

All Science Journal Classification (ASJC) codes

  • Biomedical Engineering
  • Cell Biology
  • Transplantation

Cite this

Cho, Sung Rae ; Kim, Yong Rae ; Kang, Hoi Sung ; Yim, Sun Hee ; Park, Chang Il ; Min, Yoo Hong ; Lee, Bae Hwan ; Shin, Ji Cheol ; Lim, Jong Baeck. / Functional recovery after the transplantation of neurally differentiated mesenchymal stem cells derived from bone barrow in a rat model of spinal cord injury. In: Cell transplantation. 2009 ; Vol. 18, No. 12. pp. 1359-1368.
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Functional recovery after the transplantation of neurally differentiated mesenchymal stem cells derived from bone barrow in a rat model of spinal cord injury. / Cho, Sung Rae; Kim, Yong Rae; Kang, Hoi Sung; Yim, Sun Hee; Park, Chang Il; Min, Yoo Hong; Lee, Bae Hwan; Shin, Ji Cheol; Lim, Jong Baeck.

In: Cell transplantation, Vol. 18, No. 12, 2009, p. 1359-1368.

Research output: Contribution to journalArticle

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