Evidence map›Paper›PMID 20036803›Full record

ReviewFrontiers in bioscience (Landmark edition)2010

Beneficial effects of Bacteroides fragilis polysaccharides on the immune system.

Erin B Troy, Dennis L Kasper

Open access · bronzeAbstract readReview
In one paragraph

Review in Frontiers in bioscience (Landmark edition), 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 165 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
165citing papers in PubMed, 2 pooled it
2.7field-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

165 citing papers in PubMed, 2 syntheses or guidelines pooled it, 315 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Trial
  4. Trial
  5. Review
  6. Trending ileal microbiome dysbiosis over time as an early assessment of intestinal transplant rejection risk.American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons · 2026
    Article
  7. Heat-KilledInternational journal of molecular sciences · 2026
    Article
  8. Review
  9. Review
  10. Effect of the intestinal microbiota on TSeminars in immunopathology · 2026
    Review
  11. Article
  12. Review
  13. Article
  14. Review
  15. Article
  16. Article
  17. Pharmaceutics · 2025
    Article
  18. Article
  19. Article
  20. Microbial Biotransformation of Chicory byInternational journal of molecular sciences · 2025
    Article

105 more citing papers are in PubMed but not listed here.

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

2 authors at 1 institution in 1 country.

Erin B TroyChanning Laboratory, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
Dennis L Kasper
Brigham and Women's Hospital · US

Funding

INFECTIOUS DISEASE AND BASIC MICROBIOLOGICAL MECHANISMST32AI007061 · NIAID · MASSACHUSETTS GENERAL HOSPITAL · PI Marcia B Goldberg · 1985 to 2026
$12.1M
PATHOGENIC MECHANISMS OF ANAEROBES IN SEPSISR01AI039576 · NIAID · BRIGHAM AND WOMEN'S HOSPITAL · PI KASPER, DENNIS L. · 1997 to 2007
$2.4M
PATHOGENIC MECHANISMS OF ANAEROBES IN SEPSISR21AI039576 · NIAID · BRIGHAM AND WOMEN'S HOSPITAL · PI KASPER, DENNIS L. · 1996 to 1996
–
NIAID NIH HHS AI-39576NIAID NIH HHS R01 AI039576NIAID NIH HHS T32 AI007061
6 · The paper itself

Abstract

Bacterial colonization of the intestine is critical for the normal function of the mammalian immune system. However, the specific molecules produced by commensal bacteria that contribute to the modulation of the host immune system are largely uncharacterized. Polysaccharide A (PSA) produced by the ubiquitous human commensal, Bacteroides fragilis is a model symbiosis factor. PSA is capable of activating T cell-dependent immune responses that can affect both the development and homeostasis of the host immune system. Colonization of previously germ-free mice with B. fragilis alone is sufficient to correct the splenic Th1/Th2 imbalance found in germ-free mice. In addition, PSA can provide protection in animal models of colitis through repression of pro-inflammatory cytokines associated with the Th17 lineage. This review provides an overview of the immunologic properties of PSA including the mechanisms of immune system activation and the resulting immunomodulatory effects.

Indexed as

AnimalsBacteroides fragilisHost-Pathogen InteractionsHumansImmune SystemIntestinesModels, BiologicalPolysaccharides, BacterialTh1 CellsTh2 CellsPolysaccharides, Bacterial

Identifiers

PMID20036803
PMCPMC2995369
OpenAlexW1560531583

What OpenQuestion holds

Textmetadata
LicenceTDM
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.