Evidence map›Paper›PMID 34045574›Full record

ArticleScientific reports2021

Immune spleen cells attenuate the inflammatory profile of the mesenteric perivascular adipose tissue in obese mice.

Renée de Nazaré Oliveira da Silva, Rosangela Aparecida Santos-Eichler, Carolina Dias, Stephen Fernandes Rodrigues, Dominik S Skiba, Richardt Gama Landgraf, Maria Helena Catelli de Carvalho, Tomasz Guzik, Ricardo Ambrósio Fock, Eliana Hiromi Akamine

Abstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
–field-weighted citation impact
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

11 citing papers in PubMed.

  1. Review
  2. Review
  3. Article
  4. Article
  5. Article
  6. Perivascular Adipose Tissue and Uterine Artery Adaptations to Pregnancy.Microcirculation (New York, N.Y. : 1994) · 2024
    Review
  7. Review
  8. Review
  9. Hypolipidemic and Anti-Inflammatory Effects ofInternational journal of molecular sciences · 2023
    Article
  10. Review
  11. Cells · 2021
    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.

Renée de Nazaré Oliveira da SilvaDepartment of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
Rosangela Aparecida Santos-EichlerDepartment of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
Carolina DiasDepartment of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil.
Stephen Fernandes RodriguesDepartment of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
Dominik S SkibaInstitute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK.
Richardt Gama LandgrafDepartment of Pharmaceutical Sciences, Federal University of São Paulo, Diadema, Brazil.
Maria Helena Catelli de CarvalhoDepartment of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
Tomasz GuzikInstitute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK.
Ricardo Ambrósio FockDepartment of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil.
Eliana Hiromi AkamineDepartment of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil. eliakamine@usp.br.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The perivascular adipose tissue (PVAT) differs from other fat depots and exerts a paracrine action on the vasculature. The spleen has an important role in the immune response, and it was observed to have either a protective role or a contribution to obesity-related diseases. However, the relation between spleen and PVAT is elusive in obesity. We investigated the role of spleen in the inflammatory profile of the mesenteric PVAT (mPVAT) from mice fed a high-fat diet (HFD) for 16 weeks. Male C57Bl/6 mice were sham-operated or splenectomized (SPX) and fed a HFD for 16 weeks. mPVAT morphology was evaluated by hematoxylin and eosin staining, infiltrated immune cells were evaluated by flow cytometry, inflammatory cytokines were evaluated by ELISA and the splenic cell chemotaxis mediated by mPVAT was evaluated using a transwell assay. In SPX mice, HFD induced adipocyte hypertrophy and increased immune cell infiltration and proinflammatory cytokine levels in mPVAT. However, none of these effects were observed in mPVAT from sham-operated mice. Spleen from HFD fed mice presented reduced total leukocytes and increased inflammatory markers when compared to the spleen from control mice. Chemotaxis of spleen cells mediated by mPVAT of HFD fed mice was reduced in relation to standard diet fed mice. The spleen protects mPVAT against the effects of 16-week HFD. This information was missing, and it is important because PVAT is different from other fat depots and data cannot be extrapolated from any type of adipose tissue to PVAT.

Indexed as

AnimalsChemotaxisCytokinesDiet, High-FatInflammationIntra-Abdominal FatMaleMiceObesitySpleenSplenectomyCytokines

Identifiers

PMID34045574
PMCPMC8160359

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Registered trials

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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.