T Cells in NOD Mice and Their Sensitivity to Apoptosis
Author Information
Author(s): Kaminitz Ayelet, Yolcu Esma S., Askenasy Enosh M., Stein Jerry, Yaniv Isaac, Shirwan Haval, Askenasy Nadir
Primary Institution: Schneider Children's Medical Center of Israel
Hypothesis
Does the sensitivity of T cells to activation-induced cell death contribute to autoimmune insulitis in NOD mice?
Conclusion
The study found no evidence that perturbed activation-induced cell death in NOD mice initiates or promotes autoimmune insulitis.
Supporting Evidence
- Both effector and suppressor T cells are negatively regulated by Fas cross-linking.
- Proliferation rates and sensitivity to Fas cross-linking are dissociated in Treg cells.
- Effective autocrine apoptosis of diabetogenic cells was evident from delayed onset and reduced incidence of adoptive disease transfer.
Takeaway
This study looked at how certain immune cells in mice that are prone to diabetes respond to signals that usually make them die. It found that these cells are not as different from healthy mice as previously thought.
Methodology
The study evaluated the sensitivity of naïve/effector and regulatory T cells to activation-induced cell death mediated by Fas cross-linking in NOD and wild-type mice.
Limitations
The study primarily used mixed cultures, which may not fully replicate the in vivo environment of T cells.
Participant Demographics
The study involved NOD mice and wild-type mice, specifically looking at T cell subsets.
Statistical Information
P-Value
p<0.005
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website