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Cited by 474

The DOI matches its Crossref record; 20 of the 20 references it cites were found in a registry or an index.

Purinergic Modulation of Interleukin-1β Release from Microglial Cells Stimulated with Bacterial Endotoxin

Open access
Ferrari, Davide, Chiozzi, Paola, Falzoni, Simonetta, Hanau, Stefania, Di  Virgilio, Francesco·1997·The Journal of Experimental Medicine

Abstract

Microglial cells express a peculiar plasma membrane receptor for extracellular ATP, named P2Z/P2X7 purinergic receptor, that triggers massive transmembrane ion fluxes and a reversible permeabilization of the plasma membrane to hydrophylic molecules of up to 900 dalton molecule weight and eventual cell death (Di Virgilio, F. 1995. Immunol. Today. 16:524–528). The physiological role of this newly cloned (Surprenant, A., F. Rassendren, E. Kawashima, R.A. North and G. Buell. 1996. Science (Wash. DC). 272:735–737) cytolytic receptor is unknown. In vitro and in vivo activation of the macrophage and microglial cell P2Z/P2X7 receptor by exogenous ATP causes a large and rapid release of mature IL-1β. In the present report we investigated the role of microglial P2Z/P2X7 receptor in IL-1β release triggered by LPS. Our data suggest that LPS-dependent IL-1β release involves activation of this purinergic receptor as it is inhibited by the selective P2Z/P2X7 blocker oxidized ATP and modulated by ATP-hydrolyzing enzymes such as apyrase or hexokinase. Furthermore, microglial cells release ATP when stimulated with LPS. LPS-dependent release of ATP is also observed in monocyte-derived human macrophages. It is suggested that bacterial endotoxin activates an autocrine/paracrine loop that drives ATP-dependent IL-1β secretion.

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Metadata

Authors
Ferrari, D., Chiozzi, P., Falzoni, S., Hanau, S., & Di Virgilio, F.
Venue
The Journal of Experimental Medicine
Published
1997-02-03
Volume
185
Issue
3
Pages
579-582
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2164116575
Cited by
474
References
20
FWCI
9.93
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Purinergic Modulation of Interleukin-1β Release from Microglial Cells Stimulated with Bacterial Endotoxin. https://app.cochat.ai/papers/10.1084/jem.185.3.579
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Ferrari, D., Chiozzi, P., Falzoni, S., Hanau, S., & Di Virgilio, F. (1997). Purinergic Modulation of Interleukin-1β Release from Microglial Cells Stimulated with Bacterial Endotoxin. The Journal of Experimental Medicine. https://doi.org/10.1084/jem.185.3.579

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