Cited by 116Adenosine and Purinergic SignalingCalcium signaling and nucleotide metabolismBiochemical and Molecular Research

P2X7 on Mouse T Cells: One Channel, Many Functions

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Rissiek, Björn, Haag, Friedrich, Boyer, Olivier, Koch-Nolte, Friedrich, Adriouch, Sahil·2015·Frontiers in Immunology

Abstract

The P2X7 receptor is an adenosine triphosphate (ATP)-gated cation channel that is expressed by several cells of the immune system. P2X7 is best known for its proinflammatory role in promoting inflammasome formation and release of mature interleukin (IL)-1β by innate immune cells. Mounting evidence indicates that P2X7 is also an important regulatory receptor of murine and human T cell functions. Murine T cells express a sensitive splice variant of P2X7 that can be activated either by non-covalent binding of ATP or, in the presence of nicotinamide adenine dinucleotide, by its covalent ADP-ribosylation catalyzed by the ecto-ADP-ribosyltransferase ARTC2.2. Prolonged activation of P2X7 by either one of these pathways triggers the induction of T cell death. Conversely, lower concentrations of ATP can activate P2X7 to enhance T cell proliferation and production of IL-2. In this review, we will highlight the molecular and cellular consequences of P2X7 activation on mouse T cells and its versatile role in T cell homeostasis and activation. Further, we will discuss important differences in the function of P2X7 on human and murine T cells.

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Crossref · 10.3389/fimmu.2015.00204

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  • Activation of the danger receptor P2RX7 by extracellular NAD or ATP, released by dying cells during processing, can lead to shedding of surface molecules such as CD62L and CD27, the masking of CD8β and the induction of cell death in susceptible cells like Treg, NKT, and Trm cells.

    “For example, activation of the danger receptor P2RX7 by extracellular NAD or ATP, released by dying cells during processing, can lead to shedding of surface molecules such as CD62L and CD27, the masking of CD8β and the induction of cell death in susceptible cells like Treg, NKT, and Trm cells [286-288].”

    From Guidelines for the use of flow cytometry and cell sorting in immunological studies (third edition) (2021) · cites this paper as [286]

    The sections on ex vivo murine T-cell preparations and Figure 2 (pages not provided) report NAD+ release during preparation, P2X7-dependent CD27 and CD62L shedding, and cell death in Tregs and liver NKT cells. The paper also describes ATP-dependent P2X7 activation, but the passages do not support CD8β masking or identify Trm cells as a susceptible population. (LLM, conf=0.87)

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Authors
Rissiek, B., Haag, F., Boyer, O., Koch-Nolte, F., & Adriouch, S.
Affiliations
  • Universität Hamburg (DE)
  • Inserm (FR)
Corresponding author
Adriouch, Sahil
Venue
Frontiers in Immunology
Published
2015-05-19
Volume
6
Pages
204-204
ISSN
1664-3224 (ISSN-L)
OpenAlex
W1564355150
Cited by
116
References
81
Citations by year
2026: 4 · 2025: 7 · 2024: 7 · 2023: 10 · 2022: 8 · 2021: 15 · 2020: 13 · 2019: 14 · 2018: 15 · 2017: 11 · 2016: 12
FWCI
1.62
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Immunology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, other-oa)
  • HAL (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • Deutsche Forschungsgemeinschaft (SFB 877, HA2369/5)
  • Institut National de la Santé et de la Recherche Médicale
  • Normandie Université
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Adenosine and Purinergic Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Calcium signaling and nucleotide metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Biochemical and Molecular Research
Keywords
P2X7 receptor, T cells, ATP-gated cation channels, ADP-ribosylation, T cell death, T cell proliferation, interleukin-2, T cell homeostasis, T cell activation, splice variants

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