Evidence map›Paper›PMID 25607112›Full record

ArticleMolecular medicine reports2015

Azithromycin attenuates cigarette smoke extract-induced oxidative stress injury in human alveolar epithelial cells.

Miaomiao Chen, Tuo Yang, Xiangiyu Meng, Tieying Sun

Open access · hybridAbstract read
In one paragraph

Article in Molecular medicine reports, 2015. 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
1.9field-weighted citation impact, top 15% 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, 26 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

4 authors at 3 institutions in 1 country.

Miaomiao ChenDepartment of Respiratory and Critical Care Medicine, Tianjin Chest Hospital, Tianjin 300000, P.R. China.
Tuo YangDepartment of Respiratory and Critical Care Medicine, Fifth School of Clinical Medicine, Peking University, Beijing Hospital Ministry of Health, Beijing 100730, P.R. China.
Xiangiyu MengDepartment of Respiratory and Critical Care Medicine, Fifth School of Clinical Medicine, Peking University, Beijing Hospital Ministry of Health, Beijing 100730, P.R. China.
Tieying SunDepartment of Respiratory and Critical Care Medicine, Fifth School of Clinical Medicine, Peking University, Beijing Hospital Ministry of Health, Beijing 100730, P.R. China.
Beijing Hospital · CNPeking University · CNTianjin Chest Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cigarette smoking has been verified to be one of the most important etiological factors causing the development of bronchogenic carcinoma and chronic obstructive pulmonary disease. Azithromycin (AZM) has been demonstrated to have antioxidant capacity. In the present study, whether AZM is able to attenuate cigarette smoke extract (CSE)‑induced A549 cell oxidative stress injury was investigated. Cells were incubated with CSE in the presence or absence of AZM. Cell viability was measured using a 3‑(4,5‑dimethylthiazol‑2‑yl)‑2,5‑diphenyltetrazolium bromide assay. The expression of vascular endothelial growth factor (VEGF) was analyzed using western blotting and ELISA. The expression of epithelial cell structural proteins, zona occludens (ZO)‑1 and occludin was determined using western blotting and immunofluorescence staining. Reactive oxygen species (ROS) production was examined by flow cytometry and fluorescence staining. The results demonstrated that the exposure of A549 cells to CSE decreased cell viability in a dose‑ and time‑dependent manner. AZM significantly attenuated the CSE‑induced decreases in the expression of VEGF and epithelial cell structural proteins, including ZO‑1 and occludin. CSE also stimulated ROS production in the A549 cell, while AZM significantly reversed the effects of CSE. In addition, the inhibition of ROS by N‑acetyl‑L‑cysteine had similar effects as AZM on the expression of VEGF and epithelial cell structural proteins and also enhanced cell proliferation. In conclusion, AZM attenuated CSE‑induced oxidative stress injury in A549 cells and may be a promising therapeutic agent for smoking‑associated pulmonary diseases.

Indexed as

Alveolar Epithelial CellsAzithromycinCell LineCell SurvivalDose-Response Relationship, DrugGene Expression RegulationHumansOccludinOxidative StressReactive Oxygen SpeciesSmokingVascular Endothelial Growth Factor AZonula Occludens-1 ProteinAzithromycinOccludinReactive Oxygen SpeciesVascular Endothelial Growth Factor AZonula Occludens-1 Protein

Identifiers

PMID25607112
PMCPMC4368079
OpenAlexW2152390443

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LicenceCC BY
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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.