Evidence map›Paper›PMID 22311979›Full record

ArticleThe Journal of biological chemistry2012

Ezrin-radixin-moesin-binding sequence of PSGL-1 glycoprotein regulates leukocyte rolling on selectins and activation of extracellular signal-regulated kinases.

Caroline Spertini, Bénédicte Baïsse, Olivier Spertini

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
2.3field-weighted citation impact, top 13% 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

23 citing papers in PubMed, 43 citations in OpenAlex.

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  8. Article
  9. PSGL-1 Immune Checkpoint Inhibition for CD4Frontiers in immunology · 2021
    Review
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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

3 authors at 1 institution in 1 country.

Caroline SpertiniService and Central Laboratory of Hematology, Lausanne University Hospital, Rue du Bugnon 46, 1011 Lausanne, Switzerland.
Bénédicte BaïsseService and Central Laboratory of Hematology, Lausanne University Hospital, Rue du Bugnon 46, 1011 Lausanne, Switzerland.
Olivier SpertiniService and Central Laboratory of Hematology, Lausanne University Hospital, Rue du Bugnon 46, 1011 Lausanne, Switzerland. Electronic address: Olivier.Spertini@chuv.ch.
University of Lausanne · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

P-selectin glycoprotein ligand-1 (PSGL-1) mediates the capture (tethering) of free-flowing leukocytes and subsequent rolling on selectins. PSGL-1 interactions with endothelial selectins activate Src kinases and spleen tyrosine kinase (Syk), leading to α(L)β(2) integrin-dependent leukocyte slow rolling, which promotes leukocyte recruitment into tissues. In addition, but through a distinct pathway, PSGL-1 engagement activates ERK. Because ezrin, radixin and moesin proteins (ERMs) link PSGL-1 to actin cytoskeleton and because they serve as adaptor molecules between PSGL-1 and Syk, we examined the role of PSGL-1 ERM-binding sequence (EBS) on cell capture, rolling, and signaling through Syk and MAPK pathways. We carried out mutational analysis and observed that deletion of EBS severely reduced 32D leukocyte tethering and rolling on L-, P-, and E-selectin and slightly increased rolling velocity. Alanine substitution of Arg-337 and Lys-338 showed that these residues play a key role in supporting leukocyte tethering and rolling on selectins. Importantly, EBS deletion or Arg-337 and Lys-338 mutations abrogated PSGL-1-induced ERK activation, whereas they did not prevent Syk phosphorylation or E-selectin-induced leukocyte slow rolling. These studies demonstrate that PSGL-1 EBS plays a critical role in recruiting leukocytes on selectins and in activating the MAPK pathway, whereas it is dispensable to phosphorylate Syk and to lead to α(L)β(2)-dependent leukocyte slow rolling.

Indexed as

AnimalsCell LineCHO CellsCricetinaeCricetulusCytoskeletal ProteinsEnzyme ActivationExtracellular Signal-Regulated MAP KinasesEzrinHumansIntracellular Signaling Peptides and ProteinsLeukocyte RollingLeukocytesLymphocyte Function-Associated Antigen-1MAP Kinase Signaling SystemMembrane GlycoproteinsCytoskeletal ProteinsExtracellular Signal-Regulated MAP KinasesEzrinIntracellular Signaling Peptides and ProteinsLymphocyte Function-Associated Antigen-1Membrane GlycoproteinsMembrane ProteinsMicrofilament ProteinsmoesinProtein-Tyrosine KinasesP-selectin ligand proteinradixinSelectinssrc-Family KinasesSyk KinaseSYK protein, human

Identifiers

PMID22311979
PMCPMC3322991
OpenAlexW2085136779

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.