Neuroprotective Effect of Transplanted Human Embryonic Stem Cell-Derived Neural Precursors in an Animal Model of Multiple Sclerosis
2008

Neuroprotective Effect of Human Embryonic Stem Cell-Derived Neural Precursors in Multiple Sclerosis

Sample size: 36 publication 10 minutes Evidence: moderate

Author Information

Author(s): Aharonowiz Michal, Einstein Ofira, Fainstein Nina, Lassmann Hans, Reubinoff Benjamin, Ben-Hur Tamir

Primary Institution: Hadassah-Hebrew University Medical Center, Jerusalem, Israel

Hypothesis

Can human embryonic stem cell-derived neural precursors reduce the severity of multiple sclerosis in an animal model?

Conclusion

Transplanted human embryonic stem cell-derived neural precursors significantly reduced clinical signs of multiple sclerosis in mice through an immunosuppressive mechanism rather than remyelination.

Supporting Evidence

  • Transplanted neural precursors significantly reduced clinical scores in EAE mice.
  • Histological analysis showed reduced inflammation in the CNS of transplanted mice.
  • Transplanted cells migrated to white matter but did not differentiate into mature oligodendrocytes.

Takeaway

Scientists found that special cells from human embryos can help mice with a disease similar to multiple sclerosis by calming down the inflammation in their brains.

Methodology

Human embryonic stem cell-derived neural precursors were transplanted into the brains of mice with experimental autoimmune encephalomyelitis, and their effects on clinical signs and inflammation were studied.

Potential Biases

Potential conflicts of interest due to authors' affiliations with a company developing stem cell therapies.

Limitations

The study was conducted in an animal model, and the long-term effects and safety in humans are not yet known.

Participant Demographics

C57BL/6 female mice, aged 6-7 weeks.

Statistical Information

P-Value

0.006

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0003145

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