Evidence map›Paper›PMID 9881755›Full record

ArticleGlycoconjugate journal1998

Heparin potentiates in vivo neutrophil migration induced by IL-8.

M Dias-Baruffi, G Pereira-da-Silva, M C Jamur, M C Roque-Barreira

Abstract read
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In one paragraph

Article in Glycoconjugate journal, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
0.5field-weighted citation impact, top 38% 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

8 citing papers in PubMed, 24 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Review
  5. Molecular functions of syndecan-1 in disease.Matrix biology : journal of the International Society for Matrix Biology · 2012
    Review
  6. Tumor-derived syndecan-1 mediates distal cross-talk with bone that enhances osteoclastogenesis.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2010
    Article
  7. Article
  8. 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

4 authors at 2 institutions in 1 country.

M Dias-BaruffiDepartment of Clinical Analysis, Faculty of Pharmaceutical Sciences, University of São Paulo, Ribeirão Preto, Brazil.
G Pereira-da-Silva
M C Jamur
M C Roque-Barreira
Universidade de São Paulo · BRUniversidade Federal do Paraná · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Chemokine IL-8 attracts neutrophils by a haptotactic gradient, made possible by its interaction with proteoglycans of the extracellular matrix. Heparan sulfate, but not heparin, potentiates the attraction exerted in vitro by IL-8. In the present study we first confirmed this in vitro phenomenon, observing that IL-8 activity was potentiated 100% by heparan sulfate, but not by heparin. Then, we evaluated the interference of heparan sulfate or heparin on in vivo neutrophil migration induced by IL-8. The activity of rat IL-8 (3.5 microg/animal) preincubated with heparan sulfate (50 microg/animal) or heparin (77 microg/animal) was assayed on the rat dorsal air pouch. Contrary to in vitro experiments, heparin, but not heparan sulfate, potentiated the in vivo IL-8 activity two-fold. We investigated the relationship between this observation and that reported by others, that IL-8-induced migration depends on the presence of mast cells, which contain heparin-rich granules. We studied the neutrophil migration induced by IL-8 (3.5 microg/animal) into the rat peritoneal cavity depleted of mast cells. Neutrophil migration was reduced by 32% when compared to that observed in normal animals. The response of depleted rats was reconstituted by preincubation of IL-8 with heparin (77 microg/animal). These data suggest that heparin released from cytoplasmic granules may be the contribution of mast cells to IL-8-induced neutrophil migration.

Indexed as

AnimalsCells, CulturedChemotaxis, LeukocyteHeparan SulfateHeparinInterleukin-8Mast CellsNeutrophilsRatsHeparan SulfateHeparinInterleukin-8

Identifiers

PMID9881755
OpenAlexW127054305

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.