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Specific IgE and IgG4 Profiles of House Dust Mite Components in Allergen-Specific Immunotherapy. 2021

Lin Yang, and Yaqi Yang, and Qingxiu Xu, and Wei Zhang, and Qing Jiang, and Wenjing Li, and Yin Wang, and Dongxia Ma, and Xiaomin Lin, and Baoqing Sun, and Rongfei Zhu
Department of Allergy, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China.

Allergen immunotherapy (AIT) can induce immune tolerance to allergens by activating multiple mechanisms, including promoting IgG4 synthesis and blunting IgE production. However, the longitudinal data of sIgE and sIgG4 to allergen components during AIT are limited. We sought to investigate the persistence and evolution of sIgE and sIgG4 against house dust mite (HDM) components during AIT and explore their correlation with clinical responses. Sixty allergic rhinitis (AR) with/without asthma patients receiving AIT for HDM were enrolled in AIT group. Thirty AR patients without receiving AIT served as control group. Blood samples were collected for sIgE, sIgG4 to HDM components (Derp 1, Derf 1, Derp 2, Derf 2, Derp 7, Derp 10, Derp 21 and Derp 23) assay at baseline, Month 6 and Month 18 of AIT. Combined symptom and medication scores (CSMS) were obtained accordingly. In the AIT group, sIgG4 to the HDM components of Derp 1, Derf 1, Derp 2 and Derf 2, Derp 21 significantly increased at Month 18 compared to the baseline (36.2 UA/mL vs 158.8 UA/mL, 46.4 UA/mL vs 94.6 UA/mL, 80.5 UA/mL vs 152.3 UA/mL, 78.3 UA/mL vs 205.1 UA/mL, 42.3 UA/mL vs 59.3 UA/mL, all p<0.05), sIgE to HDM components didn't see differences at baseline and at Month 18 (all p>0.05).The numbers of positive HDM component sIgE and sIgG4 increased from 4.5 to 5 and 0 to 1.5 respectively (both p<0.05). However, the changes of sIgE, sIgG4, sIgE/sIgG4 ratio and the numbers of positive HDM components had no correlations with the improvement of CSMS after AIT (all ρ<0.3). For the control group, the sIgE and sIgG4 did not change significantly during the observational period (all p>0.05). AIT can induce the production of sIgG4 to HDM components. However, the increased sIgG4 levels of HDM component do not correlate with the corresponding sIgE levels at baseline or with AIT response. sIgG4 to HDM components do not qualify as a biomarker to evaluate the efficacy of AIT.

UI MeSH Term Description Entries
D007073 Immunoglobulin E An immunoglobulin associated with MAST CELLS. Overexpression has been associated with allergic hypersensitivity (HYPERSENSITIVITY, IMMEDIATE). IgE
D007074 Immunoglobulin G The major immunoglobulin isotype class in normal human serum. There are several isotype subclasses of IgG, for example, IgG1, IgG2A, and IgG2B. Gamma Globulin, 7S,IgG,IgG Antibody,Allerglobuline,IgG(T),IgG1,IgG2,IgG2A,IgG2B,IgG3,IgG4,Immunoglobulin GT,Polyglobin,7S Gamma Globulin,Antibody, IgG,GT, Immunoglobulin
D003888 Desensitization, Immunologic Immunosuppression by the administration of increasing doses of antigen. Though the exact mechanism is not clear, the therapy results in an increase in serum levels of allergen-specific IMMUNOGLOBULIN G, suppression of specific IgE, and an increase in suppressor T-cell activity. Allergen Immunotherapy,Allergy Shots,Hyposensitization Therapy,Immunotherapy, Allergen,Venom Immunotherapy,Immunologic Desensitization,Therapy, Hyposensitization,Allergen Immunotherapies,Allergy Shot,Desensitizations, Immunologic,Hyposensitization Therapies,Immunologic Desensitizations,Immunotherapy, Venom,Shot, Allergy,Venom Immunotherapies
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000485 Allergens Antigen-type substances that produce immediate hypersensitivity (HYPERSENSITIVITY, IMMEDIATE). Allergen
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D039741 Antigens, Dermatophagoides Antigens from the house dust mites (DERMATOPHAGOIDES), mainly D. farinae and D. pteronyssinus. They are proteins, found in mite feces or mite extracts, that can cause ASTHMA and other allergic diseases such as perennial rhinitis (RHINITIS, ALLERGIC, PERENNIAL) and atopic dermatitis (DERMATITIS, ATOPIC). More than 11 groups of Dermatophagoides ALLERGENS have been defined. Group I allergens, such as Der f I and Der p I from the above two species, are among the strongest mite immunogens in humans. Antigens, Dermatophagoides farinae,Antigens, Dermatophagoides pteronyssinus,House Dust Mite Antigens,Allergens, House Dust Mites,Antigens, House Dust Mites,Dermatophagoides Allergens,Dermatophagoides farinae Allergens,Dermatophagoides pteronyssinus Allergens,Norisen,Pharmalgen,Dermatophagoides Antigens,Dermatophagoides farinae Antigens,Dermatophagoides pteronyssinus Antigens
D039981 Pyroglyphidae Family of house dust mites, in the superfamily Analgoidea, order Astigmata. They include the genera Dermatophagoides and Euroglyphus. Dermatophagoides,Dust Mites, House,House Dust Mites,Mites, House Dust,Euroglyphus,Housedust Mites,Dermatophagoide,Dust Mite, House,House Dust Mite,Housedust Mite,Mite, House Dust,Mite, Housedust,Mites, Housedust
D040002 Dermatophagoides pteronyssinus Species of European house dust mite, in the family PYROGLYPHIDAE. It is the most commonly found house dust mite. European House Dust Mite,House Dust Mite, European
D065631 Rhinitis, Allergic An inflammation of the NASAL MUCOSA triggered by ALLERGENS. Allergic Rhinitis,Allergic Rhinitides,Rhinitides, Allergic

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