Evidence map›Paper›PMID 36335313›Full record

Observational studyBMC pediatrics2022

Vascular adhesion protein-1 expression is reduced in the intestines of infants with necrotizing enterocolitis: an observational research study.

Björn Andersson, Laszlo Markasz, Hamid Mobini-Far, Helene Engstrand Lilja

Open access · goldAbstract readObservational Study
In one paragraph

Observational study in BMC pediatrics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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1 · What the graph read from it

What it found

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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

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3 · Its place in the literature

Who cites it

0 citing papers in PubMed, 0 citations in OpenAlex.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

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5 · Who and what money

Authors and funding

4 authors at 2 institutions in 1 country.

Björn AnderssonDepartment of Women's and Children's Health, Uppsala University, Dag Hammarskjölds Väg 14B, 752 37, Uppsala, Sweden. bjorn.andersson@kbh.uu.se.
Laszlo MarkaszDepartment of Women's and Children's Health, Uppsala University, Dag Hammarskjölds Väg 14B, 752 37, Uppsala, Sweden.
Hamid Mobini-FarDepartment of Pathology, Uppsala University Hospital, Uppsala, Sweden.
Helene Engstrand LiljaDepartment of Women's and Children's Health, Uppsala University, Dag Hammarskjölds Väg 14B, 752 37, Uppsala, Sweden.
Uppsala University · SEUppsala University Hospital · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNecrotizing enterocolitis (NEC) is an inflammatory bowel disease in preterm neonates with high morbidity and mortality. The only treatment available is supportive with broad-spectrum antibiotics and gastrointestinal rest. Better understanding of the pathogenesis is crucial for the development of new therapies. Vascular adhesion protein-1 (VAP-1), expressed in human blood vessels and lymphatic, plays a crucial role in the pathogenesis of inflammatory diseases in adults. The aim of the study was to investigate the VAP-1 expression in the intestines of infants affected by NEC.

methodsIntestinal tissues from 42 preterm infants with NEC were examined with immunohistochemical staining using antibodies against VAP-1 and semi-automated digital image analysis was performed to determine tissue protein expression of VAP-1 in blood vessels located in the submucosa. Intestinal tissue from 26 neonates that underwent laparotomy and ileostomy due to other intestinal surgical conditions served as controls. Clinical data and protein expression were compared between the NEC-group and Controls.

resultsMean gestational age was lower in NEC infants compared to controls, 26.6 ± 3.0 gestational weeks versus 36.5 ± 4.0 (p < 0.001) but without any significant difference in median postnatal age at surgery; for NEC 8 (5-27) days and for controls 3 (1-36) days (p = 0.6). Low VAP-1 correlated with increased risk for developing NEC in the logistic regression (p < 0.001). Multiple linear regression showed that both gestational age and NEC were independent predictors of VAP-1 expression.

conclusionVAP-1 may play a role in the pathogenesis of NEC. Diminished expression of VAP-1 independent of maturation could indicate arrested vascular development in infants suffering from NEC. Further studies are needed to elucidate the role of VAP-1 in NEC.

Indexed as

Enterocolitis, NecrotizingInfant, Newborn, DiseasesAdultGestational AgeHumansInfantInfant, NewbornInfant, PrematureIntestinesInfant, Necrotizing enterocolitis, inflammation, AOC3 protein, Intestines Cell adhesion molecules

Identifiers

PMID36335313
PMCPMC9636710
OpenAlexW4308262957

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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.