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The differently expressed proteins in MSCs of degenerative scoliosis

  • Original Article
  • Published:
Journal of Orthopaedic Science

Abstract

Purpose

Degenerative scoliosis (DS) is an important degenerative lumbar disease causing spinal dysfunction. The true reason or pathogenesis of DS is still unknown. Bone marrow-derived mesenchymal stem cells (BM-MSCs) are the stem/progenitor cells of the osteoblasts. The diseases associated with osteogenesis could be caused by abnormality of the MSCs. The purpose of this study was to find the differential proteins expressed in MSCs of patients with DS.

Methods

We collected and cultured the MSCs from 12 DS patients and 12 age- and gender-matched patients with lumbar spinal stenosis. Then the MSC samples were analyzed with 2D-DIGE and MALDI-TOF–MS to find the differential proteins which were further validated by Western blot.

Results

We found 115 spots that were differently expressed in the MSC of DS patients with 2D-DIGE, and 44 proteins were identified from samples of DS and control using MALDI-TOF–MS. Of these proteins, PIAS2, NDUFA2, and TRIM 68, which were up-regulated in DS more than 4 times were validated by Western blot.

Conclusions

The information obtained with this proteomics analysis will be useful in understanding the pathophysiology of DS. Further investigations on the functioning pathway, the specificity and the mechanism of these proteins will be carried out.

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Acknowledgments

This work was supported by National Natural Science Foundation of China grants (no. 30772191).

Conflict of interest

The authors declare that they have no conflict of interest.

Author information

Authors and Affiliations

  1. Department of Orthopaedics, Provincial Hospital Affiliated to Shandong University, Jinan, China

    Shijie Han

  2. Department of Orthopaedics, The First Affiliated Hospital Of Chongqing Medical University, Chongqing, China

    Yong Zhu

  3. Department of Orthopedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, No. 1 Shuaifuyuan, 100730, Beijing, China

    Zhihong Wu, Jianguo Zhang & Guixing Qiu

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  1. Shijie Han
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  2. Yong Zhu
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  3. Zhihong Wu
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  4. Jianguo Zhang
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  5. Guixing Qiu
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Corresponding author

Correspondence to Guixing Qiu.

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Han, S., Zhu, Y., Wu, Z. et al. The differently expressed proteins in MSCs of degenerative scoliosis. J Orthop Sci 18, 885–892 (2013). https://doi.org/10.1007/s00776-013-0444-8

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  • DOI: https://doi.org/10.1007/s00776-013-0444-8

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