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Nguyen TG. The therapeutic implications of activated immune responses via the enigmatic immunoglobulin D. Int Rev Immunol 2021; 41:107-122. [PMID: 33410368 DOI: 10.1080/08830185.2020.1861265] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Immunoglobulin D (IgD) is an enigmatic antibody and the least appreciated member of the immunoglobulin (Ig) family. Since its discovery over half a century ago, the essence of its function in the immune system has been somewhat enigmatic and less well-defined than other antibody classes. Membrane-bound IgD (mIgD) is mostly recognized as B-cell receptor (BCR) while secreted IgD (sIgD) has been recently implicated in 'arming' basophils and mast cells in mucosal innate immunity. Activations of immune responses via mIgD-BCR or sIgD by specific antigens or anti-IgD antibody thereby produce a broad and complex mix of cellular, antibody and cytokine responses from both the innate and adaptive immune systems. Such broadly activated immune responses via IgD were initially deemed to potentiate and exacerbate the onset of autoimmune and allergic conditions. Paradoxically, treatments with anti-IgD antibody suppressed and ameliorated autoimmune conditions and allergic inflammations in mouse models without compromising the host's general immune defence, demonstrating a unique and novel therapeutic application for anti-IgD antibody treatment. Herein, this review endeavored to collate and summarize the evidence of the unique characteristics and features of activated immune responses via mIgD-BCR and sIgD that revealed an unappreciated immune-regulatory function of IgD in the immune system via an amplifying loop of anti-inflammatory Th2 and tolerogenic responses, and highlighted a novel therapeutic paradigm in harnessing these immune responses to treat human autoimmune and allergic conditions.
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Zhai GT, Wang H, Li JX, Cao PP, Jiang WX, Song J, Yao Y, Wang ZC, Wang ZZ, Wang MC, Liao B, Feng QM, Lu X, Wang H, Gao P, Liu Z. IgD-activated mast cells induce IgE synthesis in B cells in nasal polyps. J Allergy Clin Immunol 2018; 142:1489-1499.e23. [DOI: 10.1016/j.jaci.2018.07.025] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 06/17/2018] [Accepted: 07/23/2018] [Indexed: 11/25/2022]
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Affiliation(s)
- Donato Rigante
- Institute of Pediatrics, Fondazione Policlinico Universitario Agostino Gemelli, Università Cattolica Sacro Cuore, Rome, Italy.
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Dai X, Wu Y, Jia X, Chang Y, Wu H, Wang C, Chen H, Chen W, Huang Q, Wei W. hIgD promotes human Burkitt lymphoma Daudi cell proliferation by accelerated G1/S transition via IgD receptor activity. Immunol Res 2016; 64:978-87. [DOI: 10.1007/s12026-015-8777-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Abstract
Immunoglobulin D (IgD) has remained a mysterious antibody class for almost half a century. IgD was initially thought to be a recently evolved Ig isotype expressed only by some mammalian species, but recent discoveries in fishes and amphibians demonstrate that IgD was present in the ancestor of all jawed vertebrates and has important immunological functions. The structure of IgD has been very dynamic throughout evolution. Mammals can express IgD through alternative splicing and class switch recombination. Active cell-dependent and T-cell-independent IgM-to-IgD class switching takes place in a unique subset of human B cells from the upper aerodigestive mucosa, which provides a layer of mucosal protection by interacting with many pathogens and their virulence factors. Circulating IgD can bind to myeloid cells such as basophils and induce antimicrobial, inflammatory, and B-cell-stimulating factors upon cross-linking, which contributes to not only immune surveillance but also inflammation and tissue damage when this pathway is overactivated under pathological conditions. Recent research shows that IgD is an important immunomodulator that orchestrates an ancestral surveillance system at the interface between immunity and inflammation.
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Affiliation(s)
- Kang Chen
- Immunology Institute, Department of Medicine, Mount Sinai School of Medicine, New York, NY, USA
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Overed-Sayer CL, Mosedale DE, Goodall M, Grainger DJ. Measurement of human serum IgD levels. CURRENT PROTOCOLS IN IMMUNOLOGY 2009; Chapter 2:2.9B.1-2.9B.7. [PMID: 19347847 DOI: 10.1002/0471142735.im0209bs85] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
This unit describes an ELISA for the quantitative measurement of IgD levels in human serum. The ELISA is highly specific and sensitive, with a minimum detectable concentration of 30 pg/ml and more than 10,000-fold specificity for IgD over all other human immunoglobulins. Linear dilution characteristics enable measurement of IgD concentrations ranging over 5 orders of magnitude. These factors are vital for the IgD assay, since IgD makes up only a small proportion of the total immunoglobulins present in normal sera, and IgD serum concentrations are known to vary widely between individuals.
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Affiliation(s)
| | | | - Margaret Goodall
- Division of Immunity and Infection, The Medical School, University of Birmingham, Birmingham, United Kingdom
| | - David J Grainger
- Department of Medicine, Addenbrooke's Hospital, Cambridge, United Kingdom
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Rogers KA, Richardson JP, Scinicariello F, Attanasio R. Molecular characterization of immunoglobulin D in mammals: immunoglobulin heavy constant delta genes in dogs, chimpanzees and four old world monkey species. Immunology 2006; 118:88-100. [PMID: 16630026 PMCID: PMC1782270 DOI: 10.1111/j.1365-2567.2006.02345.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Antibodies are adaptor molecules that neutralize pathogens and link humoral and cellular defence mechanisms. Immunoglobulin D (IgD), one of the five antibody classes present in mammals, is expressed as an antigen receptor on naïve B cells. The functional role that IgD plays in the immune response is still poorly understood, but the recent characterization of immunoglobulin heavy constant delta genes (IGHD) in a variety of species challenges the view that IgD is of minor importance and is not present in many animals. On the basis of serological studies, IgD appears to be expressed in the majority of mammalian species examined. To confirm, at the molecular level, that IgD is present in different species, we cloned and sequenced IGHD cDNA from dogs and five non-human primate species (chimpanzee, rhesus macaque, cynomolgus macaque, baboon and sooty mangabey). Our results show that in all six species, IgD heavy chains possess three immunoglobulin domains and a long hinge region encoded by two exons. Only the hinge region of non-human primates is similar to the human hinge region, with conservation of O-glycosylation sites and multiple charged residues at opposing ends. The preservation of IgD in primates, dogs and previously characterized species suggests an important functional role for IgD, possibly involving binding to a receptor. The high degree of similarity existing between the structural features of human and non-human primate IgD suggests that non-human primates are suitable for in vivo studies designed to define the role that IgD plays in the immune response.
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Affiliation(s)
- Kenneth A Rogers
- Department of Biology, Georgia State University, Atlanta, GA 30302, USA
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Mosedale DE, Sandhu MS, Luan J, Goodall M, Grainger DJ. A new sensitive and specific enzyme-linked immunosorbent assay for IgD. J Immunol Methods 2006; 313:74-80. [PMID: 16714033 DOI: 10.1016/j.jim.2006.03.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2005] [Revised: 03/13/2006] [Accepted: 03/23/2006] [Indexed: 11/16/2022]
Abstract
We have developed a new highly specific ELISA for IgD, and then used it to measure levels of circulating IgD in the serum of 480 un-selected patients from the East Anglia region of UK. The assay is both extremely sensitive and specific, with a minimum detected IgD concentration of 30 pg/ml and more than 10,000-fold specificity for IgD over all other human immunoglobulins. The assay shows linear dilution characteristics with both purified IgD and human serum, and spiking of purified IgD into either purified immunoglobulins or human serum shows c. 100% recovery. Furthermore, intra-assay and inter-assay coefficients of variation for repeated measurements of the same samples are below 10% and 15% respectively. Measurement of IgD levels on the un-selected patient population showed levels to range from <300 pg/ml to over 100 microg/ml, with a geometric mean of 8 microg/ml. The distribution is approximately normal after log transformation. Levels of circulating IgD were higher in men than in women. There was a significant negative correlation between levels of IgD and age in women, but not in men. Moreover, after adjustment for age and sex, there were statistically significantly higher levels of circulating IgD in male (but not female) smokers, compared to their non-smoking counterparts. These results highlight the care that needs to be taken to control for age, sex and cigarette smoking when examining levels of circulating IgD in future studies.
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Affiliation(s)
- David E Mosedale
- Translational Research Unit, Papworth Hospital NHS Trust, Papworth Everard, Cambridge Cambs CB3 8RE, UK.
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Tsutsumi Y. Deposition of IgD, alpha-1-antitrypsin and alpha-1-antichymotrypsin on Demodex folliculorum and D. brevis infesting the pilosebaceous unit. Pathol Int 2004; 54:32-4. [PMID: 14674992 DOI: 10.1111/j.1440-1827.2004.01581.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A total of seven routinely processed biopsy specimens of facial skin lesions with infestation of Demodex folliculorum or D. brevis were immunostained for plasma proteins and secretory proteins. The cuticular layer of the mites located within the pilosebaceous unit was selectively immunoreactive for IgD (delta chain), alpha-1-antitrypsin and alpha-1-antichymotrypsin. Negative results were obtained for IgG, IgA, IgM, IgE, albumin, fibrinogen, C3, amyloid P component, prealbumin, lysozyme and lactoferrin. These findings suggest a novel function of IgD and serum protease inhibitors as a protective host response to the mite.
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Affiliation(s)
- Yutaka Tsutsumi
- Department of Pathology, Fujita Health University School of Medicine, Toyoake, Japan.
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Preud'homme JL, Petit I, Barra A, Morel F, Lecron JC, Lelièvre E. Structural and functional properties of membrane and secreted IgD. Mol Immunol 2000; 37:871-87. [PMID: 11282392 DOI: 10.1016/s0161-5890(01)00006-2] [Citation(s) in RCA: 76] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
More than 35 years ago, study of an unknown immunoglobulin (Ig) in the serum from a myeloma patient led to the discovery of IgD. Subsequently, the finding that it also exists as a membrane-bound Ig stimulated a large number of studies during the 70s. Then, the interest on IgD shrank, largely because of the lack of known function of secretory IgD (secIgD) and of a stagnating knowledge of the functions of surface IgD. In the recent years, very significant advances followed the tremendous accumulation of data on the physiology of the B cell receptor, of which IgD is the major component, on the role of secIgD in normal and diseased individuals. This review, which is focused on human IgD but integrates data in the mouse and other species when needed, summarizes present data on the structure, synthesis and functions of both membrane and secIgD, IgD receptors and the involvement of IgD in various diseases, especially the hyperIgD syndrome.
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Affiliation(s)
- J L Preud'homme
- Immunology and Molecular Interactions (CNRS FRE 2224 - EA and IFR FR59), University Hospital and Faculty of Sciences, BP 577, 86021 Cedex, Poitiers, France.
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Levan-Petit I, Cardonna J, Garcia M, Migeon J, Corbi C, Preud’homme JL, Lecron JC. Sensitive ELISA for Human Immunoglobulin D Measurement in Neonate, Infant, and Adult Sera. Clin Chem 2000. [DOI: 10.1093/clinchem/46.6.876] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Isabelle Levan-Petit
- Emsergmement Supérieur Associé Centre National de la Recherche Scientifique 6031, IBMIG, Université de Poitiers, 40 Avenue du Recteur Pineau, 86022 Poitiers Cedex, France
| | | | - Martine Garcia
- Emsergmement Supérieur Associé Centre National de la Recherche Scientifique 6031, IBMIG, Université de Poitiers, 40 Avenue du Recteur Pineau, 86022 Poitiers Cedex, France
| | - Julien Migeon
- Emsergmement Supérieur Associé Centre National de la Recherche Scientifique 6031, IBMIG, Université de Poitiers, 40 Avenue du Recteur Pineau, 86022 Poitiers Cedex, France
| | - Cécile Corbi
- Etablissement de Transfusion Sanguine, Centre Hospitalier Universitaire, BP 577, 86021 Poitiers Cedex, France
| | - Jean-Louis Preud’homme
- Emsergmement Supérieur Associé Centre National de la Recherche Scientifique 6031, IBMIG, Université de Poitiers, 40 Avenue du Recteur Pineau, 86022 Poitiers Cedex, France
- Laboratoire d’Immunologie et Biochimie des Protéines
| | - Jean-Claude Lecron
- Emsergmement Supérieur Associé Centre National de la Recherche Scientifique 6031, IBMIG, Université de Poitiers, 40 Avenue du Recteur Pineau, 86022 Poitiers Cedex, France
- Laboratoire d’Immunologie et Biochimie des Protéines
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Levan-Petit I, Lelievre E, Barra A, Limosin A, Gombert B, Preud'homme JL, Lecron JC. T(h)2 cytokine dependence of IgD production by normal human B cells. Int Immunol 1999; 11:1819-28. [PMID: 10545486 DOI: 10.1093/intimm/11.11.1819] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
IgD is a minor component of serum Ig and the control of IgD secretion is virtually unknown. We measured concentrations of IgD (and IgE and IgM as controls) in culture supernatants of peripheral blood mononuclear cells (PBMC) from 60 normal donors as well as mononuclear cells from 10 tonsils following culture in the absence or presence of CD40 mAb and cytokines. Low levels of IgD were measured in cultures of PBMC, either unstimulated or stimulated by anti-CD40 antibodies. IL-4 and IL-10 significantly increased IgD production by CD40 mAb-stimulated cells in the majority of normal subjects studied, whereas in a limited number of individuals, spontaneous IgD production was either low or high, but with no increase upon stimulation. Spontaneous IgD production by tonsil-derived mononuclear cells was higher than by PBMC and increased after CD40 stimulation and even more in the presence of IL-10, but not IL-4. IL-2 and IFN-gamma exerted a dose-dependent inhibition on spontaneous as well as CD40- and cytokine-induced IgD production by PBMC, but not by tonsil mononuclear cells. Activation by IL-4 of CD40-stimulated purified B cells from tonsil and PBMC, and by IL-10 of tonsil B cells increased IgD production, whereas IL-2 and IFN-gamma had no detectable inhibitory effect. This suggests that accessory cells indirectly regulate IgD synthesis. IgD production induced in PBMC by IL-4 or IL-10 appeared to result from an active synthesis, and correlated with an increase in the number of IgD-containing plasma cells as demonstrated by immunofluorescence and increased expression of secreted IgD transcripts. These findings suggest that IgD production by normal peripheral blood human B cells is regulated positively by T(h)2 cytokines and negatively by T(h)1 cytokines.
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Affiliation(s)
- I Levan-Petit
- ESA CNRS 6031, IBMIG, 40 Avenue du Recteur Pineau, 86022 Poitiers Cedex, France
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Yang M, Becker AB, Simons FE, Peng Z. Identification of a dog IgD-like molecule by a monoclonal antibody. Vet Immunol Immunopathol 1995; 47:215-24. [PMID: 8571542 DOI: 10.1016/0165-2427(94)05401-d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
IgD has not been identified in dogs. We produced a monoclonal antibody (mAb) designated 9B during the production of hybridomas to dog IgE. Using Western blot analysis under non-reducing conditions, the mAb (9B) recognized a predominant protein band of 185 kDa which was also recognized by anti-dog IgG F(ab')2, suggesting that this 185 kDa protein is an immunoglobulin (Ig) containing light chains. Under reducing conditions, the mAb (9B) recognized only one protein band of 55 kDa which presented a distinct molecular weight (MW) and immunoreactivity from the dog tau, mu, alpha, and epsilon chains. The 55 kDa band did not react with anti-dog IgE, IgM, IgA, and IgG, but did react with the mAb (9B). The MW was 75 kDa for the epsilon chain, 77.5 kDa for the mu chain, 58 kDa for the alpha chain, and 52 kDa for the tau chain. Further, by immunofluorescent staining, this Ig recognized by the mAb (9B) was found on the surface of dog lymphocytes. Studies of this dog Ig with the mAb revealed that this Ig bound to protein A and protein G-Sepharose, and that its enzyme-linked immunosorbent assay (ELISA) activity as measured by the mAb (9B) did not change after heating at 56 degrees C for 2 h. Ragweed-specific IgG, IgE, and this newly defined Ig significantly increased when dogs were immunized with ragweed extract. These data suggest that this Ig is a previously unrecognized IgD-like molecule in dogs.
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Affiliation(s)
- M Yang
- Department of Pediatrics & Child Health, University of Manitoba, Winnipeg, Canada
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Zhang M, Niehus J, Brunnée T, Kleine-Tebbe J, O'Connor A, Kunkel G. Measurement of allergen-specific IgD and correlation with allergen-specific IgE. Scand J Immunol 1994; 40:502-8. [PMID: 7973457 DOI: 10.1111/j.1365-3083.1994.tb03496.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
A new method for the measurement of allergen-specific IgD (as-IgD) was developed by modifying the ImmunoCAP assay (Pharmacia), and amplification of the signal with a goat anti-human/rabbit anti-goat detection system. The assay was sensitive enough to measure as-IgD in serum samples. The specificity of the assay was examined using inhibition tests with excess corresponding and non-corresponding allergens. For the different allergens inhibition rates between 56% (house dust mite) and 88% (cat) could be achieved. Non-corresponding allergens did not inhibit the as-IgD binding. Total IgE and allergen-specific IgE (as-IgE) was measured using the ImmunoCAP system. Total IgD was measured using a sandwich ELISA. As-IgD was measured in serum samples from 51 atopic and 23 non-atopic subjects, and the correlation with as-IgE was examined. As-IgD was detected in both atopics and non-atopics but at higher levels in atopics. As-IgD against birch pollen and timothy pollen allergen was found to be increased in atopics with IgE directed against these allergens compared to atopics without IgE against these allergens (P < 0.02 and P < 0.03). As-IgD against birch pollen allergen was higher in atopics with IgE specific to this allergen than in non-atopics (P < 0.02). In contrast to total IgE and total IgD, significant correlations were observed between as-IgD and as-IgE against timothy pollen (r = 0.34, P < 0.04), birch pollen (r = 0.38, P < 0.05) and cat dander allergen (r = 0.52, P < 0.01). The observed correlations between as-IgD and IgE suggest that IgD and IgE may be similarly regulated, and thus the measurement of as-IgD may give further insight into the regulation of IgE.
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Affiliation(s)
- M Zhang
- Department of Clinical Immunology and Asthma-OPD, Free University Berlin, Germany
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