Deleterious effects of lymphocytes at the early stage of neurodegeneration in an animal model of amyotrophic lateral sclerosis
2011

Effects of Lymphocytes in Early Neurodegeneration of ALS

Sample size: 24 publication 10 minutes Evidence: moderate

Author Information

Author(s): Tada Satoru, Okuno Tatsusada, Yasui Teruhito, Nakatsuji Yuji, Sugimoto Tomoyuki, Kikutani Hitoshi, Sakoda Saburo

Primary Institution: Osaka University

Hypothesis

What role do lymphocytes play in the early stages of amyotrophic lateral sclerosis (ALS)?

Conclusion

Lymphocytes have a deleterious effect in the early stages of ALS by inhibiting M2 microglial activation.

Supporting Evidence

  • Clinical onset was significantly delayed in mice lacking lymphocytes.
  • Increased M2 microglial activation was observed in lymphocyte-deficient mice.
  • The study suggests lymphocytes may accelerate neurodegeneration in ALS.

Takeaway

In mice with ALS, removing certain immune cells called lymphocytes made the disease start later and allowed other protective cells to work better.

Methodology

Transgenic mice were used to compare the effects of lymphocyte presence on disease onset and microglial activation.

Potential Biases

Potential bias due to the specific genetic background of the mouse models used.

Limitations

The study primarily focuses on a specific mouse model, which may not fully represent human ALS.

Participant Demographics

Mice used were male transgenic mice with specific genetic modifications.

Statistical Information

P-Value

0.0033

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1742-2094-8-19

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