Evidence map›Paper›PMID 21933296›Full record

ArticleBrain pathology (Zurich, Switzerland)2012

The neuroprotective effect of a specific P2X₇ receptor antagonist derives from its ability to inhibit assembly of the NLRP3 inflammasome in glial cells.

Niamh Murphy, Thelma R Cowley, Jill C Richardson, David Virley, Neil Upton, Daryl Walter, Marina A Lynch

Abstract read
In one paragraph

Article in Brain pathology (Zurich, Switzerland), 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

38 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Niamh MurphyTrinity College Institute for Neuroscience, Physiology Department, Trinity College, Dublin, Ireland. niamh.murphy@tcd.ie
Thelma R Cowley
Jill C Richardson
David Virley
Neil Upton
Daryl Walter
Marina A Lynch

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Release of interleukin (IL)-1β from immunocompetent cells requires formation of the NACHT, LLR and PYD domains-containing protein 3 (NLRP3) inflammasome and caspase 1 activation. Adenosine 5'-triphosphate (ATP), acting on the P2X(7) receptor, is one factor that stimulates inflammasome assembly. We show that a novel specific P2X(7) receptor antagonist, GSK1370319A, inhibits ATP-induced increase in IL-1β release and caspase 1 activation in lipopolysaccharide (LPS)-primed mixed glia by blocking assembly of the inflammasome in a pannexin 1-dependent manner. GSK1370319A also inhibits ATP-induced subregion-specific neuronal loss in hippocampal organotypic slice cultures, which is dependent on its ability to prevent inflammasome assembly in glia. Significantly, GSK1370319A attenuates age-related deficits in long-term potentiation (LTP) and inhibits the accompanying age-related caspase 1 activity. We conclude that inhibiting P2X(7) receptor-activated NLRP3 inflammasome formation and the consequent IL-1β release from glia preserve neuronal viability and synaptic activity.

Indexed as

Adenosine TriphosphateAnimalsCarrier ProteinsCells, CulturedCoculture TechniquesConnexinsInflammasomesInterleukin-1betaInterleukin-6Nerve Tissue ProteinsNeurogliaNeuronsNeuroprotective AgentsNLR Family, Pyrin Domain-Containing 3 ProteinPurinergic P2X Receptor AntagonistsPyrrolidinesAdenosine TriphosphateCarrier ProteinsConnexinsGSK 1370319AInflammasomesInterleukin-1betaInterleukin-6Nerve Tissue ProteinsNeuroprotective AgentsNLR Family, Pyrin Domain-Containing 3 ProteinNlrp3 protein, ratpannexin 1, ratPurinergic P2X Receptor AntagonistsPyrrolidinesReceptors, Cytoplasmic and NuclearReceptors, Purinergic P2X7RNA, MessengerTumor Necrosis Factor-alpha

Identifiers

PMID21933296
PMCPMC8092963

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.