Neurological Sciences

, Volume 32, Issue 4, pp 641–651 | Cite as

Bone marrow mesenchymal stem cells can be mobilized into peripheral blood by G-CSF in vivo and integrate into traumatically injured cerebral tissue

  • Jun Deng
  • Zhong-min Zou
  • Tao-li Zhou
  • Yong-ping Su
  • Guo-ping Ai
  • Jun-ping Wang
  • Hui Xu
  • Shi-wu Dong
Original Article


The efficacy of granulocyte colony-stimulating factor (G-CSF) in mobilizing mesenchymal stem cells (MSCs) into peripheral blood (PB) and the ability of PB-MSCs incorporated into injured brain were tested. Colony forming, cell phenotype and differentiation potential of mouse MSCs mobilized by G-CSF (40 μg/kg) were evaluated. Mortality and pathological changes in mice with serious craniocerebral trauma plus G-CSF treatment (40 μg/kg) were investigated. Bone marrow (BM) cells derived from GFP mice were fractionated into MSCs, hematopoietic stem cells (HSCs), and non-MSC/HSCs using magnetic beads and adherent culture. The resultant cell populations were transplanted into injured mice. The in vivo integration and differentiation of the transplanted cells were detected immunocytochemically. The expression of SDF-1 in injured area of brain was tested by Western blot. G-CSF was able to mobilize MSCs into PB (fourfold increase). PB-MSCs possessed similar characteristics as BM-MSCs in terms of colony formation, the expression pattern of CD73, 44, 90, 106, 31 and 45, and multipotential of differentiation. Accumulative total mice mortality was lower in TG group (5/14) than that in T group (7/14). It was MSCs, not HSCs or non-MSC/HSC cells integrated into the damaged cerebral tissue and differentiated into cells expressing neural markers. Increased SDF-1 expression in injured area of brain was confirmed, which could facilitate the homing of MSCs to brain. G-CSF can mobilize MSCs into PB and MSCs in PB can integrate into injured cerebral tissue and transdifferentiated into neural cells and may benefit the repair of trauma.


Mesenchymal stem cells Granulocyte colony-stimulating factor Stem cell mobilization Cell differentiation 



This study is supported by grants from the National Key Basic Research and Development Plan (2005CB522605) and Medical Research Program of PLA (06G076 and 06H029), China.


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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • Jun Deng
    • 1
  • Zhong-min Zou
    • 1
  • Tao-li Zhou
    • 2
  • Yong-ping Su
    • 1
  • Guo-ping Ai
    • 1
  • Jun-ping Wang
    • 1
  • Hui Xu
    • 1
  • Shi-wu Dong
    • 1
  1. 1.Institute of Combined Injury, State Key Laboratory of Trauma, Burns and Combined Injury, School of Preventive MedicineThird Military Medical UniversityChongqingChina
  2. 2.Department of Pathogenic Biology, School of Medical ScienceThe Third Military Medical UniversityChongqingChina

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