Evidence map›Paper›PMID 24676272›Full record

ArticlePloS one2014

Differences in the pathogenicity and inflammatory responses induced by avian influenza A/H7N9 virus infection in BALB/c and C57BL/6 mouse models.

Guangyu Zhao, Chenfeng Liu, Zhihua Kou, Tongtong Gao, Ting Pan, Xiaohong Wu, Hong Yu, Yan Guo, Yang Zeng, Lanying Du and 3 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 1 pooled it
2.8field-weighted citation impact, top 10% 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

23 citing papers in PubMed, 1 synthesis or guideline pooled it, 27 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

13 authors at 3 institutions in 2 countries.

Guangyu ZhaoState Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
Chenfeng LiuState Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
Zhihua KouState Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
Tongtong GaoState Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
Ting PanState Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
Xiaohong WuState Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
Hong YuState Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
Yan GuoState Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
Yang ZengState Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
Lanying DuLindsley F. Kimball Research Institute, New York Blood Center, New York, United States of America.
Shibo JiangLindsley F. Kimball Research Institute, New York Blood Center, New York, United States of America; Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, Shanghai Medical College and Institute of Medical Microbiology, Fudan University, Shanghai, China.
Shihui SunState Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
Yusen ZhouState Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
Institute of Microbiology · CNNew York Blood Center · USShanghai Medical College of Fudan University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Avian influenza A/H7N9 virus infection causes pneumonia in humans with a high case fatality rate. However, virus-induced modulation of immune responses is being recognized increasingly as a factor in the pathogenesis of this disease. In this study, we compared the pathogenicity of A/H7N9 infection in BALB/c and C57BL/6 mouse models, and investigated the putative involvement of proinflammatory cytokines in lung injury and viral clearance. In both mouse strains, A/Anhui/1/2013(H7N9) infection with 10(6) TCID50 resulted in viral replication in lung, severe body weight loss and acute lung injury. During the early infection stage, infected C57BL/6 mice exhibited more severe lung injury, slower recovery from lung damage, less effective viral clearance, higher levels of interlukine (IL)-6, monocyte chemotactic protein (MCP)-1, and IL-1β, and lower levels of tumor necrosis factor (TNF)-α and interferon (IFN)-γ than infected BALB/c mice. These results suggest that TNF-α and IFN-γ may help suppress viral gene expression and increase viral clearance, and that IL-6 and MCP-1 may contribute to lung injury in A/H7N9-infected individuals. In addition, lung damage and the distribution of virus antigen in tissues were similar in young and middle-aged mice. These results suggest that the more serious lung injury in middle-aged or older H7N9 cases is not mainly caused by differences in viral replication in the lung but probably by a dysregulated immune response induced by underlying comorbidities. These results indicate that the extent of dysregulation of the host immune response after H7N9 virus infection most probably determines the outcome of H7N9 virus infection.

Indexed as

Influenza A Virus, H7N9 SubtypeAnimalsCytokinesDisease Models, AnimalFemaleInflammation MediatorsLungMaleMiceMice, Inbred BALB CMice, Inbred C57BLNeutrophil InfiltrationOrthomyxoviridae InfectionsViral LoadVirus ReplicationCytokinesInflammation Mediators

Identifiers

PMID24676272
PMCPMC3968029
OpenAlexW2118681350

What OpenQuestion holds

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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.