Comparative study of mesenchymal stem cells from C57BL/10 and mdx mice

Yong Li, Cheng Zhang, Fu Xiong, Mei Juan Yu, Fu Lin Peng, Yan Chang Shang, Cui Ping Zhao, Yong Feng Xu, Zheng Shan Liu, Chang Zhou, Jin Lang Wu

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37 Scopus citations


Background: Human mesenchymal stem cells (MSCs) have been studied and applied extensively because of their ability to self-renew and differentiate into various cell types. Since most human diseases models are murine, mouse MSCs should have been studied in detail. The mdx mouse - a Duchenne muscular dystrophy model - was produced by introducing a point mutation in the dystrophin gene. To understand the role of dystrophin in MSCs, we compared MSCs from mdx and C57BL/10 mice, focusing particularly on the aspects of light and electron microscopic morphology, immunophenotyping, and differentiation potential. Results: Our study showed that at passage 10, mdx-MSCs exhibited increased heterochromatin, larger vacuoles, and more lysosomes under electron microscopy compared to C57BL/10-MSCs. C57BL/10-MSCs formed a few myotubes, while mdx-MSCs did not at the same passages. By passage 21, mdx-MSCs but not C57BL/10-MSCs had gradually lost their proliferative ability. In addition, a significant difference in the expression of CD34, not Sca-1 and CD11b, was observed between the MSCs from the 2 mice. Conclusion: Our current study reveals that the MSCs from the 2 mice, namely, C57BL/10 and mdx, exhibit differences in proliferative and myogenic abilities. The results suggest that the changes in mouse MSC behavior may be influenced by lack of dystrophin protein in mdx mouse.

Original languageEnglish (US)
Article number24
JournalBMC Cell Biology
StatePublished - May 19 2008
Externally publishedYes

Bibliographical note

Funding Information:
This research was supported by grants from the National Science Foundation of China (Cheng Zhang, 30370510 and 30170337) and grant from Chinese Medical Board (No. 98-677).


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