Evidence map›Paper›PMID 23393303›Full record

ArticleJournal of lipid research2013

CD36, but not G2A, modulates efferocytosis, inflammation, and fibrosis following bleomycin-induced lung injury.

Brian W Parks, Leland L Black, Kurt A Zimmerman, Allison E Metz, Chad Steele, Joanne E Murphy-Ullrich, Janusz H Kabarowski

Open access · hybridAbstract read
In one paragraph

Article in Journal of lipid research, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed
1.2field-weighted citation impact, top 23% 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

47 citing papers in PubMed, 63 citations in OpenAlex.

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  17. Efferocytosis in Homeostasis.Advances in experimental medicine and biology · 2025
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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 at 1 institution in 1 country.

Brian W ParksDepartment of Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA.
Leland L Black
Kurt A Zimmerman
Allison E Metz
Chad Steele
Joanne E Murphy-Ullrich
Janusz H Kabarowski
University of Alabama at Birmingham · US

Funding

Training Program in Cardiovascular PathophysiologyT32HL007918 · NHLBI · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI BALLINGER, SCOTT W. · 1999 to 2018
$3.6M
The role of the G2A receptor in AtherosclerosisR01HL088642 · NHLBI · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI KABAROWSKI, JANUSZ H · 2007 to 2011
$1.8M
Thrombospondin1 antagonists and diabetic nephropathyR01DK078038 · NIDDK · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI MURPHY-ULLRICH, JOANNE E · 2007 to 2011
$1.5M
Fibroblast control of TGF-beta activation by Thy-1 and lung fibrosisR21HL086706 · NHLBI · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI MURPHY-ULLRICH, JOANNE E · 2007 to 2008
$399k
NHLBI NIH HHS HL-088642NHLBI NIH HHS HL-86706NHLBI NIH HHS R01 HL088642NHLBI NIH HHS R21 HL086706NHLBI NIH HHS T32 HL007918NHLBI NIH HHS T32-HL-007918NIDDK NIH HHS DK-078038NIDDK NIH HHS R01 DK078038
6 · The paper itself

Abstract

Macrophage G2A and CD36 lipid receptors are thought to mediate efferocytosis following tissue injury and thereby prevent excessive inflammation that could compromise tissue repair. To test this, we subjected mice lacking G2A or CD36 receptor to bleomycin-induced lung injury and measured efferocytosis, inflammation, and fibrosis. Loss of CD36 (but not G2A) delayed clearance of apoptotic alveolar cells (mean 78% increase in apoptotic cells 7 days postinjury), potentiated inflammation (mean 56% increase in lung neutrophils and 75% increase in lung KC levels 7 days postinjury, 51% increase in lung macrophages 14 days postinjury), and reduced lung fibrosis (mean 41% and 29% reduction 14 and 21 days postinjury, respectively). Reduced fibrosis in CD36(-/-) mice was associated with lower levels of profibrotic TH2 cytokines (IL-9, IL-13, IL-4), decreased expression of the M2 macrophage marker Arginase-1, and reduced interstitial myofibroblasts. G2A, on the other hand, was required for optimal clearance of apoptotic neutrophils during zymosan-induced peritoneal inflammation (50.3% increase in apoptotic neutrophils and 30.6% increase in total neutrophils 24 h following zymosan administration in G2A(-/-) mice). Thus, CD36 is required for timely removal of apoptotic cells in the context of lung injury and modulates subsequent inflammatory and fibrotic processes relevant to fibrotic lung disease.

Indexed as

AnimalsApoptosisBleomycinCD36 AntigensCell Cycle ProteinsFluorescent Antibody TechniqueImmunohistochemistryInflammationIn Situ Nick-End LabelingLung InjuryMiceMice, KnockoutReceptors, G-Protein-CoupledSpectrometry, Mass, Electrospray IonizationTandem Mass SpectrometryBleomycinCD36 AntigensCell Cycle ProteinsG2A receptorReceptors, G-Protein-Coupled

Identifiers

PMID23393303
PMCPMC3605987
OpenAlexW1985855344

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.