Evidence map›Paper›PMID 22718543›Full record

ArticleAnnals of neurology2012

Macrophages prevent hemorrhagic infarct transformation in murine stroke models.

Michael Gliem, Anne Kathrin Mausberg, John-Ih Lee, Ioannis Simiantonakis, Nico van Rooijen, Hans-Peter Hartung, Sebastian Jander

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Article in Annals of neurology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 162 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
162citing papers in PubMed, 3 pooled it
12.6field-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

162 citing papers in PubMed, 3 syntheses or guidelines pooled it, 290 citations in OpenAlex.

  1. Pooled it
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  6. Monocyte-derived macrophages and their roles in ischemic stroke.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2026
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102 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 2 institutions in 2 countries.

Michael GliemDepartments of Neurology, Heinrich Heine University, Medical Faculty, Moorenstrasse 5, Düsseldorf, Germany.
Anne Kathrin Mausberg
John-Ih Lee
Ioannis Simiantonakis
Nico van Rooijen
Hans-Peter Hartung
Sebastian Jander
Heinrich Heine University Düsseldorf · DEUniversity of Amsterdam · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveInflammation is increasingly viewed as a new therapeutic target in subacute stages of brain infarction. However, apart from causing secondary damage, inflammation could equally promote beneficial lesion remodeling and repair. Distinct subpopulations of monocytes/macrophages (MOs/MPs) may critically determine the outcome of lesion-associated inflammation.

methodsWe addressed the role of bone marrow-derived MOs/MPs in 2 different mouse models of ischemic stroke using a combined cell-specific depletion, chemokine receptor knockout, bone marrow chimeric, and pharmacological approach.

resultsStarting within 24 hours of stroke onset, immature Ly6c(hi) monocytes infiltrated into the infarct border zone and differentiated into mature Ly6c(lo) phagocytes within the lesion compartment. MO/MP infiltration was CCR2-dependent, whereas we did not obtain evidence for additional recruitment via CX3CR1. Depletion of circulating MOs/MPs or selective targeting of CCR2 in bone marrow-derived cells caused delayed clinical deterioration and hemorrhagic conversion of the infarctions. Bleeding frequently occurred around thin-walled, dilated neovessels in the infarct border zone and was accompanied by decreased expression of transforming growth factor (TGF)-β1 and collagen-4, along with diminished activation of Smad2. Injection of TGF-β1 into the lesion border zone greatly reduced infarct bleeding in MO/MP-depleted mice.

interpretationBone marrow-derived MOs/MPs recruited via CCR2 and acting via TGF-β1 are essential for maintaining integrity of the neurovascular unit following brain ischemia. Future therapies should be aimed at enhancing physiological repair functions of CCR2(+) MOs/MPs rather than blocking their hematogenous recruitment.

Indexed as

AnimalsAntigens, CDAntigens, Differentiation, MyelomonocyticAntigens, LyBrain InfarctionCD11b AntigenCD68 MoleculeCell DifferentiationCX3C Chemokine Receptor 1Diphtheria ToxinDisease Models, AnimalDrug Administration RoutesFlow CytometryGene Expression RegulationGermaniumHeparin-binding EGF-like Growth FactorAntigens, CDAntigens, Differentiation, MyelomonocyticAntigens, LyCcr2 protein, mouseCD11b AntigenCD68 antigen, humanCD68 MoleculeCX3C Chemokine Receptor 1Cx3cr1 protein, mouseDiphtheria ToxinGermaniumHBEGF protein, humanHbegf protein, mouseHeparin-binding EGF-like Growth FactorIntercellular Signaling Peptides and ProteinsInterferon InducersLeukocyte Common AntigensOrganometallic CompoundspropagermaniumPropionatesPtprc protein, mouseReceptors, CCR2Receptors, ChemokineTransforming Growth Factor beta1

Identifiers

PMID22718543
OpenAlexW2122031395

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.