Evidence map›Paper›PMID 23497247›Full record

ArticleRespiratory research2013

Apoptosis inhibitor of macrophage (AIM) expression in alveolar macrophages in COPD.

Jun Kojima, Jun Araya, Hiromichi Hara, Saburo Ito, Naoki Takasaka, Kenji Kobayashi, Satoko Fujii, Chikako Tsurushige, Takanori Numata, Takeo Ishikawa and 13 more

Open access · goldAbstract read
In one paragraph

Article in Respiratory research, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
1.2field-weighted citation impact, top 22% 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

11 citing papers in PubMed, 27 citations in OpenAlex.

  1. Review
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  4. ISM1 protects lung homeostasis via cell-surface GRP78-mediated alveolar macrophage apoptosis.Proceedings of the National Academy of Sciences of the United States of America · 2022
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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

23 authors at 2 institutions in 1 country.

Jun KojimaDepartment of Internal Medicine, Division of Respiratory Diseases, Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo 105-8461, Japan.
Jun Araya
Hiromichi Hara
Saburo Ito
Naoki Takasaka
Kenji Kobayashi
Satoko Fujii
Chikako Tsurushige
Takanori Numata
Takeo Ishikawa
Kenichiro Shimizu
Makoto Kawaishi
Keisuke Saito
Noriki Kamiya
Jun Hirano
Makoto Odaka
Toshiaki Morikawa
Hiroshi Hano
Satoko Arai
Toru Miyazaki
Yumi Kaneko
Katsutoshi Nakayama
Kazuyoshi Kuwano
Jikei University School of Medicine · JPThe University of Tokyo · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMarked accumulation of alveolar macrophages (AM) conferred by apoptosis resistance has been implicated in pathogenesis of chronic obstructive pulmonary disease (COPD). Apoptosis inhibitor of macrophage (AIM), has been shown to be produced by mature tissue macrophages and AIM demonstrates anti-apoptotic property against multiple apoptosis-inducing stimuli. Accordingly, we attempt to determine if AIM is expressed in AM and whether AIM is involved in the regulation of apoptosis in the setting of cigarette smoke extract (CSE) exposure.

methodsImmunohistochemical evaluations of AIM were performed. Immunostaining was assessed by counting total and positively staining AM numbers in each case (n = 5 in control, n = 5 in non-COPD smoker, n = 5 in COPD). AM were isolated from bronchoalveolar lavage fluid (BALF). The changes of AIM expression levels in response to CSE exposure in AM were evaluated. Knock-down of anti-apoptotic Bcl-xL was mediated by siRNA transfection. U937 monocyte-macrophage cell line was used to explore the anti-apoptotic properties of AIM.

resultsThe numbers of AM and AIM-positive AM were significantly increased in COPD lungs. AIM expression was demonstrated at both mRNA and protein levels in isolated AM, which was enhanced in response to CSE exposure. AIM significantly increased Bcl-xL expression levels in AM and Bcl-xL was involved in a part of anti-apoptotic mechanisms of AIM in U937 cells in the setting of CSE exposure.

conclusionsThese results suggest that AIM expression in association with cigarette smoking may be involved in accumulation of AM in COPD.

Indexed as

Gene Expression RegulationAgedAntigens, CDAntigens, Differentiation, T-LymphocyteApoptosis Regulatory ProteinsBronchoalveolar Lavage FluidCD69 AntigensCells, CulturedFemaleHEK293 CellsHumansLectins, C-TypeMacrophages, AlveolarMaleMiddle AgedPulmonary Disease, Chronic ObstructiveAntigens, CDAntigens, Differentiation, T-LymphocyteApoptosis Regulatory ProteinsCD69 AntigensLectins, C-Type

Identifiers

PMID23497247
PMCPMC3599155
OpenAlexW2103087448

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Registered trials

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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.