Abnormal Changes in NKT Cells, the IGF-1 Axis, and Liver Pathology in an Animal Model of ALS
2011

NKT Cells and Liver Pathology in ALS

Sample size: 21 publication 10 minutes Evidence: moderate

Author Information

Author(s): Finkelstein Arseny, Kunis Gilad, Seksenyan Akop, Ronen Ayal, Berkutzki Tamara, Azoulay David, Koronyo-Hamaoui Maya, Schwartz Michal

Primary Institution: The Weizmann Institute of Science

Hypothesis

The study investigates the role of NKT cells and liver pathology in the progression of amyotrophic lateral sclerosis (ALS).

Conclusion

The study found that manipulating NKT cells can delay the onset of clinical symptoms and prolong survival in a mouse model of ALS.

Supporting Evidence

  • NKT cells were found to be significantly elevated in the liver of ALS model mice.
  • Manipulation of NKT cells using PBS57 delayed the onset of clinical symptoms.
  • Treatment with PBS57 resulted in a modest but significant prolongation of lifespan in mSOD1 mice.
  • Changes in the IGF-1 axis were observed alongside NKT cell elevation in the liver.
  • Immunomodulation of NKT cells led to increased recruitment of T cells into the spinal cord.

Takeaway

Researchers found that special immune cells called NKT cells are involved in a disease that affects the nerves, and changing how these cells work can help mice live longer.

Methodology

The study used a mouse model of ALS to analyze NKT cell levels and liver pathology, and tested the effects of an NKT cell modulator on disease progression.

Potential Biases

Potential bias in interpreting the effects of NKT cell modulation due to the specific treatment regimen used.

Limitations

The study primarily used a single mouse model and the effects of the treatment may vary with different protocols.

Participant Demographics

The study involved mutant superoxide dismutase 1 G93A (mSOD1) mice, a common model for ALS.

Statistical Information

P-Value

p<0.005

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022374

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