Evidence map›Paper›PMID 27261450›Full record

ArticleAllergy2017

The quantity and quality of α-gal-specific antibodies differ in individuals with and without delayed red meat allergy.

D Kollmann, B Nagl, C Ebner, W Emminger, S Wöhrl, C Kitzmüller, S Vrtala, A Mangold, H-J Ankersmit, B Bohle

Open access · hybridAbstract read
In one paragraph

Article in Allergy, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
3.8field-weighted citation impact, top 7% 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

30 citing papers in PubMed, 47 citations in OpenAlex.

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  13. Allergic response to medical products in patients with alpha-gal syndrome.The Journal of thoracic and cardiovascular surgery · 2022
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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

10 authors at 2 institutions in 1 country.

D KollmannDepartment of Pathophysiology and Allergy Research, Medical University of Vienna, Vienna, Austria.
B NaglDepartment of Pathophysiology and Allergy Research, Medical University of Vienna, Vienna, Austria.
C EbnerAllergy Clinic Reumannplatz, Vienna, Austria.
W EmmingerAllergy Clinic Rennweg, Vienna, Austria.
S WöhrlAllergy Clinic Floridsdorf, Vienna, Austria.
C KitzmüllerDepartment of Pathophysiology and Allergy Research, Medical University of Vienna, Vienna, Austria.
S VrtalaDepartment of Pathophysiology and Allergy Research, Medical University of Vienna, Vienna, Austria.
A MangoldDepartment of Internal Medicine, Medical University of Vienna, Vienna, Austria.
H-J AnkersmitDepartment of Thoracic Surgery, Medical University of Vienna, Vienna, Austria.
B BohleDepartment of Pathophysiology and Allergy Research, Medical University of Vienna, Vienna, Austria.
Medical University of Vienna · ATAllergiezentrum Wien West · AT

Funding

Austrian Science Fund FWF F 4610
6 · The paper itself

Abstract

backgroundIgG to galactose-α-1,3-galactose (α-gal) are highly abundant natural antibodies (Ab) in humans. α-Gal-specific IgE Ab cause a special form of meat allergy characterized by severe systemic reactions 3-7 h after consumption of red meat. We investigated 20 patients who experienced such reactions and characterized their α-gal-specific IgE and IgG responses in more detail.

methodsα-Gal-specific IgE was determined by ImmunoCAP. IgE reactivity to meat extract and bovine gamma globulin (BGG) was assessed by immunoblotting and ELISA, respectively. In some experiments, sera were pre-incubated with α-gal or protein G to deplete IgG Ab. α-Gal-specific IgG

resultsIn immunoblots, BGG was the most frequently recognized meat protein. Binding of IgE and IgG to BGG was confirmed by ELISA and completely abolished after pre-incubation with α-gal. Neither the depletion of autologous α-gal-specific IgG Ab nor the addition of α-gal-specific IgG Ab from nonallergic individuals changed the IgE recognition of BGG of meat-allergic patients. Meat-allergic patients showed significantly higher α-gal-specific IgG1 and IgG3 Ab than nonallergic individuals, whereas the latter showed significantly higher levels of α-gal-specific IgG4 Ab.

conclusionPatients with delayed meat allergy display IgE and IgG Ab that selectively recognize the α-gal epitope on BGG. Their enhanced α-gal-specific IgE levels are accompanied by high levels of α-gal-specific IgG1 devoid of IgE-blocking activity. This subclass distribution is atypical for food allergies and distinct from natural α-gal IgG responses in nonallergic individuals.

Indexed as

AdultAgedAged, 80 and overAllergensAntibodiesAntibody SpecificityFemaleFood HypersensitivityGalactoseHumansHypersensitivity, DelayedImmunoglobulin EImmunoglobulin GMaleMiddle AgedRed MeatAllergensAntibodiesGalactoseImmunoglobulin EImmunoglobulin Gallergens and epitopesfood allergyIgE

Identifiers

PMID27261450
PMCPMC5244683
OpenAlexW2418577076

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LicenceCC BY
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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.