Correlation of Circulating CD133+ Progenitor Subclasses with a Mild Phenotype in Duchenne Muscular Dystrophy Patients
2008

CD133+ Stem Cells as Biomarkers in Duchenne Muscular Dystrophy

Sample size: 70 publication Evidence: moderate

Author Information

Author(s): Marchesi Chiara, Belicchi Marzia, Meregalli Mirella, Farini Andrea, Cattaneo Alessandra, Parolini Daniele, Gavina Manuela, Porretti Laura, D'Angelo Maria Grazia, Bresolin Nereo, Cossu Giulio, Torrente Yvan

Primary Institution: Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ospedale Maggiore Policlinico, University of Milan

Hypothesis

Can the levels of circulating CD133+ stem cells predict the progression of Duchenne muscular dystrophy (DMD)?

Conclusion

The levels of CD133+CXCR4+CD34- cells could serve as a new prognostic clinical marker for the progression of DMD.

Supporting Evidence

  • CD133+CXCR4+CD34- stem cells were significantly higher in DMD patients compared to healthy controls.
  • Levels of CD133+CXCR4+CD34- cells correlated with clinical condition and muscle strength.
  • Patients with higher levels of CD133+CXCR4+CD34- cells exhibited slower disease progression.

Takeaway

This study found that certain stem cells in the blood can help doctors understand how Duchenne muscular dystrophy is progressing in patients.

Methodology

The study measured levels of CD133+ stem cells in blood samples from DMD patients and healthy controls using flow cytometry.

Potential Biases

Potential bias due to the small sample size and the exclusion of patients on steroid therapy.

Limitations

The study only included patients not on steroid therapy, which may limit the generalizability of the findings.

Participant Demographics

70 DMD patients aged 3 to 25 years, with a median age of 10.66 years.

Statistical Information

P-Value

0.03

Statistical Significance

p=0.03

Digital Object Identifier (DOI)

10.1371/journal.pone.0002218

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