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NLRP6 Deficiency in CD4 T Cells Decreases T Cell Survival Associated with Increased Cell Death

Katarina Radulovic1,2, C Korcan Ayata1, Rachel Mak'Anyengo1

  • 1Department of Biomedicine, University of Basel, CH-4031 Basel, Switzerland.

Journal of Immunology (Baltimore, Md. : 1950)
|June 2, 2019
PubMed

Insights

Nucleotide-binding oligomerization domain (NOD)-like receptor NLRP6 deficiency in CD4+ T cells leads to decreased survival. Nlrp6 deficiency in T cells increases caspase-1 activation and cell death, impacting innate immune response.

Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Pattern recognition receptors (PRRs) regulate innate immunity.
  • NOD-like receptors (NLRs) are a PRR family involved in immune responses.
  • NLRP6 is known for its role in epithelial cells but its function in T cells is unclear.

Purpose of the Study:

  • To investigate the role of NLRP6 in T cell function and survival.

Main Methods:

  • Adoptive transfer of Nlrp6-deficient T cells into Rag2-deficient mice.
  • Analysis of caspase-1 activation and cell death in T cells.

Main Results:

  • Nlrp6-deficient T cells exhibited increased caspase-1 activation.
  • Nlrp6 deficiency led to increased cell death in CD4+ T cells.
  • Reduced survival of Nlrp6-deficient CD4+ T cells was observed.

Conclusions:

  • NLRP6 plays a crucial role in T cell survival.
  • NLRP6 deficiency compromises T cell homeostasis and innate immune response.

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