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Zhongguo Shi Yan Xue Ye Xue Za Zhi. 2014 Feb;22(1):177-82. doi: 10.7534/j.issn.1009-2137.2014.01.034.

[Osteogenic and adipogenic differentiation of bone marrow multipotent mesenchymal stem cells in the mice with hemorrhagic anemia].

[Article in Chinese]

Author information

  • 1Peking University People's Hospital, Beijing 100044, China; Beijing Jishuitan Hospital, Beijing 100035, China.
  • 2Peking University People's Hospital, Beijing 100044, China.
  • 3Peking University People's Hospital, Beijing 100044, China. E-mail: liukaiyan@medmail.com.cn.

Abstract

This study was aimed to investigate the effects of osteogenic and adipogenic differentiation of bone marrow multipotent mesenchymal stem cells (MSC) on hematopoiesis. A hemorrhagic anemia mouse model was established by exsanguinating of 0.3 ml blood from angular vein every 1-2 days for 4 weeks. The number of leukocytes, erythrocytes and neutrophils, hemoglobin level, ratio of reticulocyte in peripheral blood and bone marrow cell colony forming unit (CFU) were detected for the identification of the model. The differential potential of MSC in the hemorrhagic anemia mice were identified by CFU-F, histopathologic analysis, and osteogenesis and adipogenesis-related gene expression. The results showed that the erythrocyte numbers of peripheral blood and hemoglobin level decreased in the hemorrhagic anemia mice compared with the control, while the ratio of reticulocyte, the numbers of bone marrow cells and the CFU increased. Furthermore, the numbers of CFU-F, bone marrow hematopoietic cells, and osteogenic cells increased. However, the number of adipocytes decreased. Expressions of osteogenesis-related genes Runx2 and OSX were up-regulated, and adipogenesis-related genes aP2 and PPARĪ³2 were down-regulated in the hemorrhagic anemia mice compared with the control. It is concluded that the potential of osteogenic differentiation of MSC is enhanced, while the potential of adipogenic differentiation of MSC is weakened in the hemorrhagic anemia mice.

PMID:
24598673
[PubMed - indexed for MEDLINE]
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