Evidence map›Paper›PMID 8691151›Full record

ArticleThe Journal of experimental medicine1996

Transfection of Syk protein tyrosine kinase reconstitutes high affinity IgE receptor-mediated degranulation in a Syk-negative variant of rat basophilic leukemia RBL-2H3 cells.

J Zhang, E H Berenstein, R L Evans, R P Siraganian

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of experimental medicine, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 72 papers.

0numbers the graph read from it
0cells of the map it votes in
72citing papers in PubMed
18.0field-weighted citation impact, top 1% of its field
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

72 citing papers in PubMed, 263 citations in OpenAlex.

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  13. Signal transduction and chemotaxis in mast cells.European journal of pharmacology · 2016
    Review
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12 more citing papers are in PubMed but not listed here.

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

4 authors at 1 institution in 1 country.

J ZhangLaboratory of Immunology, National Institute of Dental Research, National Institutes of Health, Bethesda, Maryland 20892, USA.
E H Berenstein
R L Evans
R P Siraganian
National Institute of Dental and Craniofacial Research · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Aggregation of the high affinity receptor for immunoglobulin E (Fc epsilon RI) on mast cells results in rapid tyrosine phosphorylation and activation of Syk, a cytoplasmic protein tyrosine kinase. To examine the role of Syk in the Fc epsilon RI signaling pathway, we identified a variant of RBL-2H3 cells that has no detectable Syk by immunoblotting and by in vitro kinase reactions. In these Syk-deficient TB1A2 cells, aggregation of Fc epsilon RI induced no histamine release and no detectable increase in total cellular protein tyrosine phosphorylation. However, stimulation of these cells with the calcium ionophore did induce degranulation. Fc epsilon RI aggregation induced tyrosine phosphorylation of the beta and gamma subunits of the receptor, but no increase in the tyrosine phosphorylation of phospholipase C-gamma 1 and phospholipase C-gamma 2 and no detectable increase in intracellular free Ca2+ concentration. By transfection, cloned lines were established with stable expression of Syk. In these reconstituted cells, Fc epsilon RI aggregation induced tyrosine phosphorylation of phospholipase C-gamma 1 and phospholipase C-gamma 2, an increase in intracellular free Ca2+ and histamine release. These results demonstrate that Syk plays a critical role in the early Fc epsilon RI-mediated signaling events. It further demonstrates that Syk activation occurs downstream of receptor phosphorylation, but upstream of most of the Fc epsilon RI-mediated protein tyrosine phosphorylations.

Indexed as

AnimalsBasophilsCalciumEnzyme PrecursorsHistamine ReleaseIntracellular Signaling Peptides and ProteinsIsoenzymesLeukemia, Basophilic, AcuteMast CellsPhospholipase C gammaPhosphotyrosineProtein-Tyrosine KinasesRatsReceptor AggregationReceptors, IgESignal TransductionCalciumEnzyme PrecursorsIntracellular Signaling Peptides and ProteinsIsoenzymesPhospholipase C gammaPhosphotyrosineProtein-Tyrosine KinasesReceptors, IgESyk KinaseSyk protein, ratType C Phospholipases

Identifiers

PMID8691151
PMCPMC2192664
OpenAlexW2158093352

What OpenQuestion holds

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LicenceCC BY-NC-SA
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.