Cited by 166Adenosine and Purinergic SignalingInflammasome and immune disordersImmune Response and Inflammation

The P2X7 Receptor-Interleukin-1 Liaison

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Giuliani, Anna Lisa, Sarti, Alba C., Falzoni, Simonetta, Di Virgilio, Francesco·2017·Frontiers in Pharmacology

Abstract

Interleukin-1β (IL-1β) plays a central role in stimulation of innate immune system and inflammation and in several chronic inflammatory diseases. These include rare hereditary conditions, e.g., auto-inflammatory syndromes, as well as common pathologies, such as type II diabetes, gout and atherosclerosis. A better understanding of IL-1β synthesis and release is particularly relevant for the design of novel anti-inflammatory drugs. One of the molecules mainly involved in IL-1β maturation is the P2X7 receptor (P2X7R), an ATP-gated ion channel that chiefly acts through the recruitment of the NLRP3 inflammasome-caspase-1 complex. In this review, we will summarize evidence supporting the key role of the P2X7R in IL-1β production, with special emphasis on the mechanism of release, a process that is still a matter of controversy. Four different models have been proposed: (i) exocytosis via secretory lysosomes, (ii) microvesicles shedding from plasma membrane, (iii) release of exosomes, and (iv) passive efflux across a leaky plasma membrane during pyroptotic cell death. All these models involve the P2X7R.

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Crossref · 10.3389/fphar.2017.00123

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  • The opening of P2X7 receptor channels leads to IL-1β production mainly through NLRP3 inflammasome activation, thus contributing to the disruption of the BBB.

    “The opening of P2X7 receptor channels leads to IL-1β production mainly through NLRP3 inflammasome activation [123], thus contributing to the disruption of the BBB.”

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Authors
Giuliani, A. L., Sarti, A. C., Falzoni, S., & Di Virgilio, F.
Affiliations
University of Ferrara (IT)
Venue
Frontiers in Pharmacology
Published
2017-03-16
Volume
8
Pages
123-123
ISSN
1663-9812 (ISSN-L)
OpenAlex
W2597076579
Cited by
166
References
126
Citations by year
2026: 8 · 2025: 9 · 2024: 12 · 2023: 12 · 2022: 17 · 2021: 23 · 2020: 28 · 2019: 20 · 2018: 29 · 2017: 8
FWCI
2.44
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Pharmacology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Institutional Research Information System University of Ferrara (University of Ferrara) (submittedVersion, cc-by)
Funders
  • Associazione Italiana per la Ricerca sul Cancro
  • Ministero della Salute
  • Università degli Studi di Ferrara
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Adenosine and Purinergic Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
Keywords
P2X7 receptor, IL-1β, IL-1β maturation, NLRP3 inflammasome, caspase-1, ATP-gated ion channels, exocytosis, secretory lysosomes, microvesicles, exosomes, pyroptosis, innate immunity, inflammation, anti-inflammatory drug design

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