Evidence map›Paper›PMID 30181507›Full record

ArticleNutrients2018

Expression of Granulisyn, Perforin and Granzymes in Human Milk over Lactation and in the Case of Maternal Infection.

Alecia-Jane Twigger, Gwendoline K Küffer, Donna T Geddes, Luis Filgueria

Abstract 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 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing 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

12 citing papers in PubMed.

  1. Article
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  4. Observational
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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

4 authors.

Alecia-Jane TwiggerInstitute for Stem Cell Research, Helmholtz Center Munich, 85764 Munich, Germany. alecia-jane.twigger@helmholtz-muenchen.de.
Gwendoline K KüfferFaculty of Science and Medicine, University of Fribourg, 1700 Fribourg, Switzerland. gwendoline.kueffer@gmail.com.
Donna T GeddesSchool of Molecular Sciences, Faculty of Science, The University of Western Australia, Perth 6009, Australia. donna.geddes@uwa.edu.au.
Luis FilgueriaFaculty of Science and Medicine, University of Fribourg, 1700 Fribourg, Switzerland. luis.filgueira@unifr.ch.

Funding

Medela AG Unrestricted grantUniversity of Fribourg Professorship funding
6 · The paper itself

Abstract

Human milk has been previously found to contain various types of leukocytes however specific characteristics of these cells, such as whether they contain cytolytic antimicrobial proteins that may induce pathogen directed cell death, are unknown. This project aims to examine the presence and localization of immune proteins such as perforin, granulysin and granzymes in human milk cells at the protein and mRNA level. Genes encoding these proteins were confirmed in human milk cell samples, which were particularly enriched in early milk and in the case of maternal infection. Fluorescence activated cell sorting (FACS) was used to investigate the co-expression of these proteins with pan-immune cell marker CD45 and epithelial marker EPCAM. Co-expression of antimicrobial proteins was found predominantly in CD45 positive cells, also increasing in the case of maternal infection. Our study suggests that human milk contains cells that carry hallmarks of activated or memory T-cells which are enriched early in lactation and in the case of maternal infection. Presence and prevalence of these cells in human milk may indicate a role in the protection of the maternal breast or for delivery to the vulnerable infant.

Indexed as

LactationAdultAntigens, Differentiation, T-LymphocyteBody Mass IndexCase-Control StudiesCell CountEpithelial Cell Adhesion MoleculeFemaleFlow CytometryGene Expression RegulationGranzymesHumansInfantInfant, NewbornMastitisMiddle AgedAntigens, Differentiation, T-LymphocyteEPCAM protein, humanEpithelial Cell Adhesion MoleculeGNLY protein, humanGranzymesMilk ProteinsPerforinRNA, Messengerantimicrobial proteinshuman milkimmune cellsmilk cells

Identifiers

PMID30181507
PMCPMC6163887

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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.