Evidence map›Paper›PMID 20559550›Full record

ArticlePLoS neglected tropical diseases2010

Immunity to Lutzomyia intermedia saliva modulates the inflammatory environment induced by Leishmania braziliensis.

Tatiana R de Moura, Fabiano Oliveira, Gabriele C Rodrigues, Marcia W Carneiro, Kiyoshi F Fukutani, Fernanda O Novais, José Carlos Miranda, Manoel Barral-Netto, Claudia Brodskyn, Aldina Barral and 1 more

Open access · goldAbstract read
In one paragraph

Article in PLoS neglected tropical diseases, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed, 1 pooled it
3.6field-weighted citation impact, top 8% 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

33 citing papers in PubMed, 1 synthesis or guideline pooled it, 52 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Immune Response to LinB13, a Lutzomyia Intermedia Salivary Protein Correlates With Disease Severity in Tegumentary Leishmaniasis.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2022
    Article
  4. Article
  5. Article
  6. Review
  7. Article
  8. Article
  9. Frontiers in microbiology · 2018
    Article
  10. Article
  11. An Anti-Inflammatory Role for NLRP10 in Murine Cutaneous Leishmaniasis.Journal of immunology (Baltimore, Md. : 1950) · 2017
    Article
  12. Article
  13. Review
  14. Article
  15. Review
  16. Review
  17. Article
  18. Review
  19. Article
  20. What's behind a sand fly bite? The profound effect of sand fly saliva on host hemostasis, inflammation and immunity.Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases · 2014
    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

11 authors at 4 institutions in 2 countries.

Tatiana R de MouraCentro de Pesquisas Gonçalo Moniz, Fundação Oswaldo Cruz (FIOCRUZ), Salvador, Brazil.
Fabiano Oliveira
Gabriele C Rodrigues
Marcia W Carneiro
Kiyoshi F Fukutani
Fernanda O Novais
José Carlos Miranda
Manoel Barral-Netto
Claudia Brodskyn
Aldina Barral
Camila I de Oliveira
Fundação Oswaldo Cruz · BRUniversidade Federal da Bahia · BRInstituto Nacional de Ciência e Tecnologia em Entomologia Molecular · BRNational Institutes of Health · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundDuring blood feeding, sand flies inject Leishmania parasites in the presence of saliva. The types and functions of cells present at the first host-parasite contact are critical to the outcome on infection and sand fly saliva has been shown to play an important role in this setting. Herein, we investigated the in vivo chemotactic effects of Lutzomyia intermedia saliva, the vector of Leishmania braziliensis, combined or not with the parasite. METHODS AND

findingsWe tested the initial response induced by Lutzomyia intermedia salivary gland sonicate (SGS) in BALB/c mice employing the air pouch model of inflammation. L. intermedia SGS induced a rapid influx of macrophages and neutrophils. In mice that were pre-sensitized with L. intermedia saliva, injection of SGS was associated with increased neutrophil recruitment and a significant up-regulation of CXCL1, CCL2, CCL4 and TNF-alpha expression. Surprisingly, in mice that were pre-exposed to SGS, a combination of SGS and L. braziliensis induced a significant migration of neutrophils and an important modulation in cytokine and chemokine expression as shown by decreased CXCL10 expression and increased IL-10 expression.

conclusionThese results confirm that sand fly saliva modulates the initial host response. More importantly, pre-exposure to L. intermedia saliva significantly modifies the host's response to L. braziliensis, in terms of cellular recruitment and expression of cytokines and chemokines. This particular immune modulation may, in turn, favor parasite multiplication.

Indexed as

AnimalsAntigensChemotaxis, LeukocyteCytokinesEar, ExternalFemaleHistocytochemistryHost-Parasite InteractionsImmune SeraInflammationLeishmania braziliensisLeishmaniasis, CutaneousMiceMice, Inbred BALB CNeutrophil InfiltrationPolymerase Chain ReactionAntigensCytokinesImmune Sera

Identifiers

PMID20559550
PMCPMC2886072
OpenAlexW2052911017

What OpenQuestion holds

Textmetadata
LicenceCC0
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.