Evidence map›Paper›PMID 8346230›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America1993

Binding to heparan sulfate or heparin enhances neutrophil responses to interleukin 8.

L M Webb, M U Ehrengruber, I Clark-Lewis, M Baggiolini, A Rot

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 1993. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 119 papers.

0numbers the graph read from it
0cells of the map it votes in
119citing papers in PubMed
7.3field-weighted citation impact, top 2% 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

119 citing papers in PubMed, 439 citations in OpenAlex.

  1. Heparan Sulfate Proteoglycans in Immunity.Proteoglycan research · 2026
    Article
  2. Article
  3. Article
  4. Review
  5. Review
  6. Review
  7. KRT17high/CXCL8+ Tumor Cells Display Both Classical and Basal Features and Regulate Myeloid Infiltration in the Pancreatic Cancer Microenvironment.Clinical cancer research : an official journal of the American Association for Cancer Research · 2024
    Article
  8. Review
  9. Review
  10. Article
  11. Heterogeneity in Neutrophil Extracellular Traps from Healthy Human Subjects.International journal of molecular sciences · 2023
    Article
  12. Article
  13. Review
  14. Article
  15. Macrophages in myocardial infarction.American journal of physiology. Cell physiology · 2022
    Review
  16. The Role of Heparan Sulfate in CCL26-Induced Eosinophil Chemotaxis.International journal of molecular sciences · 2022
    Article
  17. Targeting of Glycosaminoglycans in Genetic and Inflammatory Airway Disease.International journal of molecular sciences · 2022
    Review
  18. Review
  19. Article
  20. Latest update on chemokine receptors as therapeutic targets.Biochemical Society transactions · 2021
    Review

59 more citing papers are in PubMed but not listed here.

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 1 institution in 1 country.

L M WebbSandoz Research Institute, Vienna, Austria.
M U Ehrengruber
I Clark-Lewis
M Baggiolini
A Rot
Forschungs- und Beratungsstelle Arbeitswelt · AT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The interaction of interleukin 8 (IL-8) with heparin was studied by using synthetic IL-8 analogs with C- and N-terminal truncations. Elimination of the N-terminal region preceding the first cysteine, which constitutes the IL-8 receptor binding site, did not affect the affinity to heparin-Sepharose. Affinity, however, decreased with progressive truncation at the C terminus, and no binding was observed when the C-terminal alpha-helix was eliminated. The effect of heparin and other glycosaminoglycans on IL-8 activity was also tested. When IL-8 was applied together with heparan sulfate, neutrophil chemotaxis in vitro was enhanced up to 4-fold, and the stimulus-dependent increase in cytosolic free Ca2+ increased markedly in both rate and peak value. Heparin had a similar effect on the Ca2+ response but did not enhance chemotaxis. The glycosaminoglycans by themselves did not elicit neutrophil responses. Their enhancing effect was restricted to stimulation with IL-8 and was not observed when the unrelated chemoattractant fMet-Ile-Phe-Leu was used as the stimulus. Elastase released from stimulated neutrophils was inhibited by heparin, heparan sulfate, and, to a lesser extent, chondroitin sulfate B, confirming previous observations. Taken together, these results suggest that heparan sulfate, which is present on the endothelial cell surface and in the basement membrane, may have a dual function in diapedesis, promotion of IL-8-dependent transmigration of neutrophils, and protection of the tissue microenvironment from damage by lytic enzymes released from the migrating cells.

Indexed as

Amino Acid SequenceCalciumChemotaxis, LeukocyteHeparan SulfateHeparinHumansInterleukin-8In Vitro TechniquesMolecular Sequence DataNeutrophilsN-Formylmethionine Leucyl-PhenylalaninePancreatic ElastaseProtein BindingStructure-Activity RelationshipCalciumHeparan SulfateHeparinInterleukin-8N-Formylmethionine Leucyl-PhenylalaninePancreatic Elastase

Identifiers

PMID8346230
PMCPMC47095
OpenAlexW2157021835

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.