Evidence map›Paper›PMID 29966271›Full record

ArticleNutrients2018

Bovine Lactoferrin Modulates Dendritic Cell Differentiation and Function.

Olaf Perdijk, R J Joost van Neerven, Erik van den Brink, Huub F J Savelkoul, Sylvia Brugman

Open access · goldAbstract read
In one paragraph

Article in Nutrients, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
2.1field-weighted citation impact, top 14% 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

18 citing papers in PubMed, 30 citations in OpenAlex.

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  17. Inhibitory Effects of DietaryFrontiers in immunology · 2020
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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 2 institutions in 1 country.

Olaf PerdijkCell Biology and Immunology Group, Wageningen University, P.O. Box 338, 6708 WD Wageningen, The Netherlands. olaf.perdijk@wur.nl.ORCID 0000-0002-1843-8858
R J Joost van NeervenCell Biology and Immunology Group, Wageningen University, P.O. Box 338, 6708 WD Wageningen, The Netherlands. joost.vanneerven@wur.nl.ORCID 0000-0002-1843-8858
Erik van den BrinkCell Biology and Immunology Group, Wageningen University, P.O. Box 338, 6708 WD Wageningen, The Netherlands. erik.vandenbrink@wur.nl.ORCID 0000-0002-3991-5297
Huub F J SavelkoulCell Biology and Immunology Group, Wageningen University, P.O. Box 338, 6708 WD Wageningen, The Netherlands. huub.savelkoul@wur.nl.ORCID 0000-0001-6236-7092
Sylvia BrugmanCell Biology and Immunology Group, Wageningen University, P.O. Box 338, 6708 WD Wageningen, The Netherlands. sylvia.brugman@wur.nl.
Wageningen University & Research · NLFrieslandCampina (Netherlands) · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Lactoferrin is an abundant glycoprotein in bovine milk that has immunomodulatory effects on human cells. Bovine lactoferrin (LF) binds lipopolysaccharides (LPS) with high affinity and is postulated to act via TLR4-dependent and -independent mechanisms. It has been shown that LF modulates differentiation of human monocytes into tolerogenic dendritic cells. However, in a previous study, we showed that LPS also mediates differentiation into tolerogenic dendritic cells (DC). Since LF binds LPS with high affinity, it remains to be investigated whether LF or LPS is mediating these effects. We, therefore, further investigated the LPS-independent effect of LF on differentiation of human monocytes into dendritic cells (DC). Human monocytes were isolated by magnetic cell sorting from freshly isolated PBMCs and cultured for six days in the presence of IL-4 and GM-CSF with or without LF or proteinase K treated LF to generate DC. These immature DC were stimulated for 48 h with LPS or Poly I:C + R848. Cell surface marker expression and cytokine production were measured by flow cytometry. DC differentiated in the presence of LF produced higher IL-6 and IL-8 levels during differentiation and showed a lower expression of CD1a and HLA-DR. These LFDCs showed to be hyporesponsive towards TLR ligands as shown by their semi-mature phenotype and reduced cytokine production. The effect of LF was abrogated by proteinase K treatment, showing that the functional effects of LF were not mediated by LPS contamination. Thus, LF alters DC differentiation and dampens responsiveness towards TLR ligands. This study indicates that LF can play a role in immune homeostasis in the human GI tract.

Indexed as

AnimalsCattleCell DifferentiationDendritic CellsDose-Response Relationship, DrugHEK293 CellsHumansImidazolesInterleukin-6Interleukin-8LactoferrinLigandsLipopolysaccharidesMonocytesPhenotypePoly I-CCXCL8 protein, humanIL6 protein, humanImidazolesInterleukin-6Interleukin-8LactoferrinLigandsLipopolysaccharidesPoly I-CresiquimodTLR4 protein, humanToll-Like Receptor 4bovine lactoferrinDC differentiationhyporesponsiveLPSmoDCsemi-mature phenotype

Identifiers

PMID29966271
PMCPMC6073808
OpenAlexW2810378502

What OpenQuestion holds

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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.