Evidence map›Paper›PMID 19561360›Full record

ArticleJournal of lipid research2009

Docosahexaenoic acid reduces suppressive and migratory functions of CD4+CD25+ regulatory T-cells.

Akadiri Yessoufou, Aude Plé, Kabirou Moutairou, Aziz Hichami, Naim Akhtar Khan

Open access · hybridAbstract read
In one paragraph

Article in Journal of lipid research, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.

0numbers the graph read from it
0cells of the map it votes in
46citing papers in PubMed
1.9field-weighted citation impact, top 14% 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

46 citing papers in PubMed, 97 citations in OpenAlex.

  1. Dietary Intake ofNutrients · 2021
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  8. Dyslipidemia in Transplant Patients: Which Therapy?Journal of clinical medicine · 2022
    Review
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  11. Narrative Review ofNutrients · 2021
    Review
  12. Review
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  14. Article
  15. Article
  16. Lipid Metabolism and Immune Checkpoints.Advances in experimental medicine and biology · 2021
    Article
  17. Article
  18. Review
  19. Effects of Omega-3 Fatty Acids on Immune Cells.International journal of molecular sciences · 2019
    Review
  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

5 authors at 3 institutions in 3 countries.

Akadiri YessoufouUniversity of Burgundy, Unité Propre de Recherche de l'Enseignement Supérieur, Lipids and Cell Signaling, Faculty of Life Sciences, Dijon, France.
Aude Plé
Kabirou Moutairou
Aziz Hichami
Naim Akhtar Khan
Cell Technology (China) · CNUniversité d'Abomey-Calavi · BJUniversité de Bourgogne · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Immunological tolerance is one of the fundamental aspects of the immune system. The CD4(+)CD25(+) regulatory T (Treg) cells have emerged as key players in the development of tolerance to self and foreign antigens. However, little is known about the endogenous factors and mechanisms controlling their suppressive capacity on immune response. In this study, we observed that docosahexaenoic acid (DHA), an n-3 polyunsaturated fatty acid, diminished, in a dose-dependent manner, the capacity of Treg cells to inhibit the CD4(+)CD25(-) effector T-cell proliferation. DHA not only reduced the migration of Treg cells toward chemokines but also downregulated the mRNA expression of CCR-4 and CXCR-4 in Treg cells. DHA also curtailed ERK1/2 and Akt phosphorylation and downregulated the Smad7 levels in these cells. Contradictorily, DHA upregulated the mRNA expression of Foxp3, CTLA-4, TGF-beta, and IL-10; nonetheless, this fatty acid increased the expression of p27(KIP1) mRNA, known to be involved in Treg cell unresponsiveness. In Foxp3-immunoprepitated nuclear proteins, DHA upregulated histone desacetylase 7 levels that would again participate in the unresposnsiveness of these cells. Finally, a DHA-enriched diet also diminished, ex vivo, the suppressive capacity of Treg cells. Altogether, these results suggest that DHA, by diminishing Treg cell functions, may play a key role in health and disease.

Indexed as

AnimalsAntigens, CDCell MovementCell ProliferationCells, CulturedCTLA-4 AntigenDocosahexaenoic AcidsDose-Response Relationship, DrugForkhead Transcription FactorsInterleukin-10Interleukin-2 Receptor alpha SubunitMaleMiceMice, Inbred C57BLReceptors, CCR4Receptors, CXCR4Antigens, CDCTLA-4 AntigenCtla4 protein, mouseCXCR4 protein, mouseDocosahexaenoic AcidsForkhead Transcription FactorsFoxp3 protein, mouseInterleukin-10Interleukin-2 Receptor alpha SubunitReceptors, CCR4Receptors, CXCR4RNA, MessengerTransforming Growth Factor beta

Identifiers

PMID19561360
PMCPMC2781310
OpenAlexW2140907689

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.