Evidence map›Paper›PMID 18028371›Full record

ArticleImmunology2008

A Leishmania infantum cytosolic tryparedoxin activates B cells to secrete interleukin-10 and specific immunoglobulin.

Sofia Menezes Cabral, Ricardo Leal Silvestre, Nuno Moreira Santarém, Joana Costa Tavares, Ana Franco Silva, Anabela Cordeiro-da-Silva

Open access · greenAbstract read
In one paragraph

Article in Immunology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
0.6field-weighted citation impact, top 24% 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, 27 citations in OpenAlex.

  1. Trial
  2. Review
  3. Article
  4. Leishmaniasis: Immune Cells Crosstalk in Macrophage Polarization.Tropical medicine and infectious disease · 2023
    Review
  5. Review
  6. Transcriptomic Profiles of Splenic CD19Frontiers in veterinary science · 2022
    Article
  7. Article
  8. Analysis of the Antigenic and Prophylactic Properties of theFrontiers in cellular and infection microbiology · 2018
    Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Genome-wide SNP and microsatellite variation illuminate population-level epidemiology in the Leishmania donovani species complex.Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases · 2012
    Article
  17. 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

6 authors at 1 institution in 1 country.

Sofia Menezes CabralDepartamento de Bioquímica, Faculdade de Farmácia and Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal.
Ricardo Leal Silvestre
Nuno Moreira Santarém
Joana Costa Tavares
Ana Franco Silva
Anabela Cordeiro-da-Silva
Universidade do Porto · PT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The immune evasion mechanisms of pathogenic trypanosomatids involve a multitude of phenomena such as the polyclonal activation of lymphocytes, cytokine modulation and the enhanced detoxification of oxygen reactive species. A trypanothione cascade seems to be involved in the detoxification process. It was recently described and characterized a tryparedoxin (LiTXN1) involved in Leishmania infantum cytoplasmatic hydroperoxide metabolism. LiTXN1 is a secreted protein that is up-regulated in the infectious form of the parasite, suggesting that it may play an important role during infection. In the present study, we investigated whether recombinant LiTXN1 (rLiTXN1) affects T- and B-cell functions in a murine model. We observed a significant increase in the CD69 surface marker on the B-cell population in total spleen cells and on isolated B cells from BALB/c mice after in vitro rLiTXN1 stimulus. Activated B-cells underwent further proliferation, as indicated by increased [(3)H]thymidine incorporation. Cytokine quantification showed a dose-dependent up-regulation of interleukin (IL)-10 secretion. B cells were identified as a source of this secretion. Furthermore, intraperitoneal injection of rLiTXN1 into BALB/c mice triggered the production of elevated levels of rLiTXN1-specific antibodies, predominantly of the immunoglobulin M (IgM), IgG1 and IgG3 isotypes, with a minimum reactivity against other heterologous antigens. Taken together, our data suggest that rLiTXN1 may participate in immunopathological processes by targeting B-cell effector functions, leading to IL-10 secretion and production of specific antibodies.

Indexed as

AnimalsAntibodies, ProtozoanAntigens, CDAntigens, Differentiation, T-LymphocyteB-LymphocytesCD69 AntigensCell ProliferationCells, CulturedCytosolEnzyme-Linked Immunosorbent AssayImmunoglobulin GInterleukin-10Lectins, C-TypeLeishmania infantumLymphocyte ActivationMaleAntibodies, ProtozoanAntigens, CDAntigens, Differentiation, T-LymphocyteCD69 AntigensImmunoglobulin GInterleukin-10Lectins, C-TypeThioredoxinstryparedoxin

Identifiers

PMID18028371
PMCPMC2433312
OpenAlexW2031045334

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.