Evidence map›Paper›PMID 22825446›Full record

ArticleInfection and immunity2012

Stressor-induced increase in microbicidal activity of splenic macrophages is dependent upon peroxynitrite production.

Rebecca G Allen, William P Lafuse, Nicole D Powell, Jeanette I Webster Marketon, La'Tonia M Stiner-Jones, John F Sheridan, Michael T Bailey

Open access · bronzeAbstract read
In one paragraph

Article in Infection and immunity, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
2.6field-weighted citation impact, top 11% 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

20 citing papers in PubMed, 54 citations in OpenAlex.

  1. Review
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  15. Reactive nitrogen species in cellular signaling.Experimental biology and medicine (Maywood, N.J.) · 2015
    Review
  16. Article
  17. Article
  18. Review
  19. Antioxidant Constituents of Cotoneaster melanocarpus Lodd.Antioxidants (Basel, Switzerland) · 2013
    Article
  20. 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

7 authors at 4 institutions in 1 country.

Rebecca G AllenIntegrated Biomedical Sciences Graduate Program, Wexner Medical Center at The Ohio State University, Columbus, Ohio, USA.
William P Lafuse
Nicole D Powell
Jeanette I Webster Marketon
La'Tonia M Stiner-Jones
John F Sheridan
Michael T Bailey
Interface (United States) · USThe Ohio State University · USThe Ohio State University Wexner Medical Center · USInstitute for Behavioral Medicine · US

Funding

Comprehensive Training in Oral &Craniofacial SciencesT32DE014320 · NIDCR · OHIO STATE UNIVERSITY · PI SHERIDAN, JOHN F · 2001 to 2022
$10.2M
Impact of Social Stress on TLR4-Induced Microbicidal Activity of CD11b+ CellsR03AI069097 · NIAID · OHIO STATE UNIVERSITY · PI BAILEY, MICHAEL T · 2007 to 2008
$149k
NIAID NIH HHS R03 AI069097NIAID NIH HHS R03 AI069097-01A1NIDCR NIH HHS DE014320NIDCR NIH HHS T32 DE014320
6 · The paper itself

Abstract

Exposing mice to a social stressor called social disruption (SDR) that involves repeated social defeat during intermale aggression results in increased circulating cytokines, such as interleukin-1α (IL-1α) and IL-1β, and increased reactivity of splenic CD11b(+) macrophages to inflammatory stimuli. For example, upon lipopolysaccharide stimulation, macrophages from stressor-exposed mice produce higher levels of cytokines than do cells from nonstressed controls. Moreover, the SDR stressor enhances the ability of these macrophages to kill Escherichia coli both in vitro and in vivo, through a Toll-like receptor 4-dependent mechanism. The present study tested the hypothesis that stressor-enhanced bacterial killing is due to increases in the production of peroxynitrite. Male mice were exposed to the SDR stressor or were left undisturbed. Upon stimulation with E. coli, splenic macrophages from SDR-exposed mice expressed significantly increased levels of inducible nitric oxide synthase mRNA and produced higher levels of peroxynitrite. Blocking the production of peroxynitrite abrogated the SDR-induced increase in microbicidal activity. Studies in IL-1 receptor type 1 knockout mice indicated that the increased microbicidal activity and peroxynitrite production was dependent upon IL-1 signaling. These data confirm and extend the importance of IL-1 signaling for stressor-induced immunopotentiation; the finding that inhibiting superoxide or nitric oxide production inhibits both peroxynitrite production and killing of E. coli demonstrates that peroxynitrite mediates the stressor-induced increase in bacterial killing.

Indexed as

AggressionAnimalsBehavior, AnimalCD11b AntigenEscherichia coli K12Interleukin-1MacrophagesMaleMiceMice, Inbred C57BLNitrogenPeroxynitrous AcidReceptors, Interleukin-1Social DominanceSpleenStress, PhysiologicalCD11b AntigenInterleukin-1NitrogenPeroxynitrous AcidReceptors, Interleukin-1

Identifiers

PMID22825446
PMCPMC3457565
OpenAlexW2170423761

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.