Evidence map›Paper›PMID 20194718›Full record

ArticleJournal of immunology (Baltimore, Md. : 1950)2010

The actin-bundling protein L-plastin dissociates CCR7 proximal signaling from CCR7-induced motility.

Sharon Celeste Morley, Chen Wang, Wan-Lin Lo, Chan-Wang J Lio, Bernd H Zinselmeyer, Mark J Miller, Eric J Brown, Paul M Allen

Open access · bronzeAbstract read
In one paragraph

Article in Journal of immunology (Baltimore, Md. : 1950), 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
2.2field-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

29 citing papers in PubMed, 49 citations in OpenAlex.

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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

8 authors at 3 institutions in 1 country.

Sharon Celeste MorleyDepartment of Pathology and Immunology, Washington University School of Medicine, St Louis, MO 63110, USA.
Chen Wang
Wan-Lin Lo
Chan-Wang J Lio
Bernd H Zinselmeyer
Mark J Miller
Eric J Brown
Paul M Allen
Sunesis (United States) · USOffice of Infectious Diseases · USWashington University in St. Louis · US

Funding

CHILD HEALTH RESEARCH CENTER IN DEVELOPMENTAL BIOLOGYK12HD001487 · NICHD · WASHINGTON UNIVERSITY · PI SCHWARTZ, ALAN L · 2001 to 2010
$4.2M
Epithelial Responses to Bacterial InvasionR01AI077600 · NIAID · WASHINGTON UNIVERSITY · PI MILLER, MARK JAMES · 2009 to 2021
$3.8M
T Cell Recognition of AntigenR37AI024157 · NIAID · WASHINGTON UNIVERSITY · PI ALLEN, PAUL M · 2002 to 2011
$3.5M
RECOGNITION AND SIGNALING IN POSITIVE SELECTION OF CD4+ T CELLSR01AI024157 · NIAID · WASHINGTON UNIVERSITY · PI ALLEN, PAUL M · 1987 to 2016
$2.5M
Integration of T Cell Receptor and Chemokine Signaling in ThymocytesK08AI081751 · NIAID · WASHINGTON UNIVERSITY · PI MORLEY, SHARON CELESTE · 2009 to 2013
$567k
NIAID NIH HHS AI-24157NIAID NIH HHS K08 AI081751NIAID NIH HHS K08AI081751-01NIAID NIH HHS R01 AI024157NIAID NIH HHS R01 AI077600NIAID NIH HHS R37 AI024157NICHD NIH HHS K12 HD001487NICHD NIH HHS K12-HD01487
6 · The paper itself

Abstract

Chemokines promote lymphocyte motility by triggering F-actin rearrangements and inducing cellular polarization. Chemokines can also enhance cell-cell adhesion and costimulate T cells. In this study, we establish a requirement for the actin-bundling protein L-plastin (LPL) in CCR7- and sphingosine-1-phosphate-mediated T cell chemotaxis using LPL(-/-) mice. Disrupted motility of mature LPL(-/-) thymocytes manifested in vivo as diminished thymic egress. Two-photon microscopy of LPL(-/-) lymphocytes revealed reduced velocity and motility in lymph nodes. Defective migration resulted from defective cellular polarization following CCR7 ligation, as CCR7 did not polarize to the leading edge in chemokine-stimulated LPL(-/-) T cells. However, CCR7 signaling to F-actin polymerization and CCR7-mediated costimulation was intact in LPL(-/-) lymphocytes. The differential requirement for LPL in CCR7-induced cellular adhesion and CCR7-induced motility allowed assessment of the contribution of CCR7-mediated motility to positive selection of thymocytes and lineage commitment. Results suggest that normal motility is not required for CCR7 to function in positive selection and lineage commitment. We thus identify LPL as a molecule critical for CCR7-mediated motility but dispensable for early CCR7 signaling. The requirement for actin bundling by LPL for polarization reveals a novel mechanism of regulating actin dynamics during T cell motility.

Indexed as

AnimalsCell AdhesionCell PolarityCell SeparationChemotaxis, LeukocyteCytoskeletal ProteinsFlow CytometryLymphocyte ActivationMiceMice, TransgenicMicrofilament ProteinsMicroscopy, ConfocalPhosphoproteinsReceptors, CCR7Signal TransductionCcr7 protein, mouseCytoskeletal ProteinsLcp1 protein, mouseMicrofilament ProteinsPhosphoproteinsReceptors, CCR7

Identifiers

PMID20194718
PMCPMC2855624
OpenAlexW2131214465

What OpenQuestion holds

Textmetadata
LicenceTDM
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.