Evidence map›Paper›PMID 26022442›Full record

ArticleThe Journal of infectious diseases2015

Inhibition of p-IκBα Ubiquitylation by Autophagy-Related Gene 7 to Regulate Inflammatory Responses to Bacterial Infection.

Yan Ye, Shirui Tan, Xikun Zhou, Xuefeng Li, Michael C Jundt, Natalie Lichter, Alec Hidebrand, Archana Dhasarathy, Min Wu

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of infectious diseases, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 2 pooled it
1.1field-weighted citation impact, top 21% 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

17 citing papers in PubMed, 2 syntheses or guidelines pooled it, 22 citations in OpenAlex.

  1. Guideline
  2. Guideline
  3. Article
  4. Review
  5. Interactions and Implications ofInfection and drug resistance · 2024
    Review
  6. Autophagy, cell death, and cytokines inEmerging microbes & infections · 2023
    Review
  7. Review
  8. Review
  9. Review
  10. Article
  11. Article
  12. Mechanisms of TLR4-Mediated Autophagy and Nitroxidative Stress.Frontiers in cellular and infection microbiology · 2021
    Review
  13. Review
  14. Review
  15. Article
  16. Review
  17. Differential regulation of autophagy and mitophagy in pulmonary diseases.American journal of physiology. Lung cellular and molecular physiology · 2016
    Review
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

9 authors at 2 institutions in 2 countries.

Yan YeDepartment of Basic Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks.
Shirui TanDepartment of Basic Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks Laboratory of Biochemistry and Molecular Biology, School of Life Sciences, Yunnan University, Kunming.
Xikun ZhouDepartment of Basic Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks State Key Laboratory of Biotherapy, Sichuan University, Chengdu, China.
Xuefeng LiDepartment of Basic Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks State Key Laboratory of Biotherapy, Sichuan University, Chengdu, China.
Michael C JundtDepartment of Basic Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks.
Natalie LichterDepartment of Basic Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks.
Alec HidebrandDepartment of Basic Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks.
Archana DhasarathyDepartment of Basic Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks.
Min WuDepartment of Basic Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks.
University of North Dakota · USSichuan University · CN

Funding

Pilot Projects CoreP30GM103329 · NIGMS · UNIVERSITY OF NORTH DAKOTA · PI GEIGER, JONATHAN DAVID · 2012 to 2016
$5.1M
Lung innate immunity against bacterial infectionR01AI109317 · NIAID · UNIVERSITY OF NORTH DAKOTA · PI WU, MIN · 2014 to 2018
$1.7M
Lung epithelium collaborates with alveolar macrophages in host defenseR15AI101973 · NIAID · UNIVERSITY OF NORTH DAKOTA · PI WU, MIN · 2012 to 2012
$414k
Ceramide membrane microdomains regulate cytokine secretionR03AI097532 · NIAID · UNIVERSITY OF NORTH DAKOTA · PI SINGH, BRIJ B · 2012 to 2013
$138k
NIAID NIH HHS R01 AI109317NIAID NIH HHS R01 AI109317-01A1NIAID NIH HHS R03 AI097532NIAID NIH HHS R03 AI097532-01A1NIAID NIH HHS R15 AI101973NIAID NIH HHS R15 AI101973-01NIGMS NIH HHS P30 GM103329
6 · The paper itself

Abstract

backgroundKlebsiella pneumoniae causes serious infections and healthcare burdens in humans. We have previously reported that the deficiency of autophagy-related gene (Atg) 7 in macrophages (murine alveolar macrophage cell line [MH-S]) induced irregular host immunity against K. pneumoniae and worsened pathologic effects in the lung. In the current study, we investigated the molecular mechanism by which Atg7 influenced K. pneumoniae-induced inflammatory responses.

methodsExpression levels of Atg7, ubiquitin (Ub), and tumor necrosis factor (TNF) α and phosphorylation of IκBα (p-IκBα) were determined with immunoblotting. Ubiquitylation of p-IκBα was determined with immunoprecipitation.

resultsWe noted an interaction between Atg7 and p-IκBα, which was decreased in MH-S after K. pneumoniae infection, whereas the interaction between Ub and p-IκBα was increased. Knock-down of Atg7 with small interfering RNA increased p-IκBα ubiquitylation, promoted nuclear factor κB translocation into the nucleus, and increased the production of TNF-α. Moreover, knock-down of Ub with lentivirus-short hairpin RNA Ub particles decreased binding of p-IκBα to Ub and inhibited TNF-α expression in the primary alveolar macrophages and lung tissue of atg7-knockout mice on K. pneumoniae infection.

conclusionsLoss of Atg7 switched binding of p-IκBα from Atg7 to Ub, resulting in increased ubiquitylation of p-IκBα and intensified inflammatory responses against K. pneumoniae. Our findings not only reveal a regulatory role of Atg7 in ubiquitylation of p-IκBα but also indicate potential therapeutic targets for K. pneumoniae control.

Indexed as

AnimalsAutophagyAutophagy-Related Protein 7Cell LineI-kappa B ProteinsInflammationKlebsiella InfectionsMacrophages, AlveolarMiceMice, TransgenicMicrotubule-Associated ProteinsSignal TransductionToll-Like Receptor 4UbiquitinationAtg7 protein, mouseAutophagy-Related Protein 7I-kappa B ProteinsMicrotubule-Associated ProteinsTlr4 protein, mouseToll-Like Receptor 4alveolar macrophageautophagyIκBα/NF-κB pathwayTLR4ubiquitin

Identifiers

PMID26022442
PMCPMC4633763
OpenAlexW2209816797

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.