The PI3K p110δ Regulates Expression of CD38 on Regulatory T Cells CD38 Is a Marker for Treg Suppressive Ability
2011

The Role of CD38 in Regulatory T Cells

Sample size: 6 publication 10 minutes Evidence: moderate

Author Information

Author(s): Daniel T. Patton, Marcus D. Wilson, Wendy C. Rowan, Dalya R. Soond, Klaus Okkenhaug

Primary Institution: Babraham Institute, Cambridge, United Kingdom

Hypothesis

The study investigates the role of the PI3K p110δ in regulating CD38 expression on regulatory T cells and its impact on their suppressive ability.

Conclusion

CD38 can be used as a marker for identifying regulatory T cells with high suppressive activity, and its expression is regulated by the PI3K pathway.

Supporting Evidence

  • CD38high regulatory T cells showed superior suppressive activity compared to CD38low Tregs.
  • Reduced CD38 expression in p110δD910A Tregs correlates with impaired suppressive function.
  • CD38 expression is regulated by the PI3K pathway during Treg development.

Takeaway

This study found that a protein called CD38 helps some immune cells called regulatory T cells do their job better, and that a specific pathway in cells controls how much of this protein they have.

Methodology

The researchers compared the transcriptome of wild-type and p110δD910A regulatory T cells using microarray analysis and validated findings with qRT-PCR.

Limitations

The study primarily focuses on mouse models, which may not fully translate to human biology.

Participant Demographics

Mice used in the study included CD38−/−, p110δD910A, and RAG2−/− strains.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1371/journal.pone.0017359

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