Evidence map›Paper›PMID 16926395›Full record

ArticleInfection and immunity2006

Brucella melitensis triggers time-dependent modulation of apoptosis and down-regulation of mitochondrion-associated gene expression in mouse macrophages.

Yongqun He, Sherry Reichow, Sheela Ramamoorthy, Xicheng Ding, Raju Lathigra, Johanna C Craig, Bruno W S Sobral, Gerhardt G Schurig, Nammalwar Sriranganathan, Stephen M Boyle

Open access · greenAbstract read
In one paragraph

Article in Infection and immunity, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed, 1 pooled it
7.2field-weighted citation impact, top 2% 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

56 citing papers in PubMed, 1 synthesis or guideline pooled it, 99 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Review
  4. Article
  5. Article
  6. Antioxidants (Basel, Switzerland) · 2024
    Article
  7. Article
  8. Frontiers in cellular and infection microbiology · 2024
    Review
  9. Article
  10. Review
  11. Review
  12. Uncovering the Hidden Credentials ofMicrobiology and molecular biology reviews : MMBR · 2021
    Review
  13. Idiosyncratic Biogenesis of Intracellular Pathogens-Containing Vacuoles.Frontiers in cellular and infection microbiology · 2021
    Review
  14. Article
  15. Article
  16. Transcriptome analysis ofAccess microbiology · 2020
    Article
  17. Article
  18. Article
  19. Article
  20. Article
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

10 authors at 5 institutions in 1 country.

Yongqun HeUnit for Laboratory Animal Medicine, University of Michigan Medical School, 018 Animal Research Facility, 1150 W. Medical Center Drive, Ann Arbor, MI 48109, USA. yongqunh@umich.edu
Sherry Reichow
Sheela Ramamoorthy
Xicheng Ding
Raju Lathigra
Johanna C Craig
Bruno W S Sobral
Gerhardt G Schurig
Nammalwar Sriranganathan
Stephen M Boyle
University of Michigan–Ann Arbor · USVirginia Tech · USVirginia–Maryland College of Veterinary Medicine · USUnited States Department of Homeland Security · USWalter Reed Army Institute of Research · US

Funding

Vaccine strategy for broad spectrum protection agains non-typhoidal salmonellU54AI057168 · NIAID · UNIVERSITY OF MARYLAND BALTIMORE · PI ROTHMAN, RICHARD E · 2003 to 2013
$91.5M
GENE EXPRESSION IN BRUCELLA-INFECTED MACROPHAGESR21AI057875 · NIAID · VIRGINIA POLYTECHNIC INST AND ST UNIV · PI HE, YONGQUN · 2004 to 2005
$606k
NIAID NIH HHS 1R21 AI 057875-01NIAID NIH HHS 1U54 AI 57168-01P1NIAID NIH HHS HHSN266200400061CNIAID NIH HHS R21 AI057875NIAID NIH HHS U54 AI057168
6 · The paper itself

Abstract

Brucella spp. are facultative intracellular bacteria that cause brucellosis in humans and other animals. Brucella spp. are taken up by macrophages, and the outcome of the macrophage-Brucella interaction is a basis for establishment of a chronic Brucella infection. Microarrays were used to analyze the transcriptional response of the murine macrophage-like J774.A1 cell line to infection with virulent Brucella melitensis strain 16M. It was found that most significant changes in macrophage gene transcription happened early following infection, and global macrophage gene expression profiles returned to normal between 24 and 48 h postinfection. These findings support the observation that macrophages kill the majority of Brucella cells at the early infection stage, but the surviving Brucella cells are able to avoid macrophage brucellacidal activity inside replicative phagosomes at the later infection stage. At 4 h postinfection, macrophage genes involved in cell growth, metabolism, and responses to endogenous stimuli were down-regulated, while the inflammatory response (e.g., tumor necrosis factor alpha and Toll-like receptor 2), the complement system, the responses to external stimuli, and other immune responses were up-regulated. It is likely that the most active brucellacidal activity happened between 0 and 4 h postinfection. Mitochondrion-associated gene expression, which is involved in protein synthesis and transport, electron transfer, and small-molecule transfer, and many other mitochondrial functions were significantly down-regulated at 4 h postinfection. Although there were both pro- and antiapoptosis effects, B. melitensis 16M appears to inhibit apoptosis of macrophages by blocking release of cytochrome c and production of reactive oxygen species in the mitochondria, thus preventing activation of caspase cascades.

Indexed as

Gene Expression RegulationAnimalsApoptosisBrucella melitensisBrucellosisCaspasesCells, CulturedCytochromes cDown-RegulationGene Expression ProfilingMacrophagesMiceMitochondriaReactive Oxygen SpeciesTranscription, GeneticCaspasesCytochromes cReactive Oxygen Species

Identifiers

PMID16926395
PMCPMC1594834
OpenAlexW2170392236

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.