Differential Proteome Analysis of Bone Marrow Mesenchymal Stem Cells from Adolescent Idiopathic Scoliosis Patients
2011

Differential Proteome Analysis of Bone Marrow Mesenchymal Stem Cells from Adolescent Idiopathic Scoliosis Patients

Sample size: 12 publication Evidence: moderate

Author Information

Author(s): Zhuang Qianyu, Li Jing, Wu Zhihong, Zhang Jianguo, Sun Wei, Li Tao, Yan Yujuan, Jiang Ying, Zhao Robert Chunhua, Qiu Guixing

Primary Institution: Peking Union Medical College Hospital

Hypothesis

The decreased osteogenic differentiation ability of MSCs is one of the mechanisms leading to osteopenia in AIS.

Conclusion

The study identified 25 differentially expressed proteins in MSCs from AIS patients, which may help elucidate the mechanisms of bone loss in AIS.

Supporting Evidence

  • 41 significantly altered protein spots were detected.
  • 34 spots were identified by MALDI-TOF/TOF analysis.
  • Five proteins related to bone growth were dysregulated.

Takeaway

The study looked at special proteins in stem cells from kids with scoliosis and found some that might explain why their bones are weaker.

Methodology

The study used two-dimensional fluorescence difference gel electrophoresis (2D-DIGE) and mass spectrometry to analyze the proteome of MSCs from AIS patients.

Limitations

The study had a small sample size and focused only on specific proteins.

Participant Demographics

Six AIS patients (mean age 12.3 years) and six non-AIS patients with lower-leg fractures (mean age 12.6 years).

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0018834

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