ArticleJournal of clinical immunology2023
Impaired Response to Polysaccharide Vaccine in Selective IgE Deficiency.
Article in Journal of clinical immunology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
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Who cites it
1 citing paper in PubMed, 5 citations in OpenAlex.
- IgE deficiency is not associated with hypogammaglobulinemia in a large cohort of military recruits.Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology · 2024Article
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9 authors at 2 institutions in 1 country.
Funding
Abstract
purposeImmunoglobulin E deficiency (IgED) (defined as IgE < 2 IU/mL) is enriched in patients with primary antibody deficiency (PAD). We hypothesized that selective IgED (sIgED) is a more sensitive predictor of the development of PAD than declining IgG, as IgE production typically requires two class switch recombination (CSR) events in contrast to IgG. Thus, the inability of patients with sIgED to mount an appropriate antibody response to a T-cell independent antigen or evidence of aberrant induction of ɛ germ line (ɛGL) or IgE heavy chain (IgEHC) transcripts in vitro would support the concept that sIgED is a biomarker for emerging PAD.
methodsWe compared pre- and post-polysaccharide vaccination titers in healthy patients with sIgED without a history of recurrent infections or autoimmunity (n = 20) and in healthy controls (HCs) (n = 17). Subsequently, we assessed in vitro induction of εGL and IgEHC transcripts in patients with sIgED and HC (n = 6) in response to IL-4 + CD40L stimulation.
resultsThirty percent of patients with sIgED did not have a robust vaccine response compared to 0% of HCs (p = 0.017). Individuals with sIgED with an abnormal vaccine response demonstrated persistent germline mRNA expression in their B-cells at day 5, with lower levels of IgEHC, compared to both HCs and sIgED participants with a normal vaccine response.
conclusionPatients with sIgED are more likely to have abnormal antibody responses to a T cell-independent antigen and may have dysregulated CSR machinery. Following individuals with sIgED longitudinally may be beneficial in the early identification of PAD.
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