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Lee HY, Nazmul T, Lan J, Oyoshi MK. Maternal influences on offspring food allergy. Immunol Rev 2024; 326:130-150. [PMID: 39275992 DOI: 10.1111/imr.13392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/16/2024]
Abstract
The prevalence of allergies has been globally escalating. While allergies could appear at any age, they often develop in early life. However, the significant knowledge gap in the field is the mechanisms by which allergies affect certain people but not others. Investigating early factors and events in neonatal life that have a lasting impact on determining the susceptibilities of children to develop allergies is a significant area of the investigation as it promotes the understanding of neonatal immune system that mediates tolerance versus allergies. This review focuses on the research over the recent 10 years regarding the potential maternal factors that influence offspring allergies with a view to food allergy, a potentially life-threatening cause of anaphylaxis. The role of breast milk, maternal diet, maternal antibodies, and microbiota that have been suggested as key maternal factors regulating offspring allergies are discussed here. We also suggest future research area to expand our knowledge of maternal-offspring interactions on the pathogenesis of food allergy.
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Affiliation(s)
- Hwa Yeong Lee
- Mucosal Immunology and Biology Research Center, Massachusetts General Hospital for Children, Boston, Massachusetts, USA
- Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Tanuza Nazmul
- Mucosal Immunology and Biology Research Center, Massachusetts General Hospital for Children, Boston, Massachusetts, USA
| | - Jinggang Lan
- Mucosal Immunology and Biology Research Center, Massachusetts General Hospital for Children, Boston, Massachusetts, USA
| | - Michiko K Oyoshi
- Mucosal Immunology and Biology Research Center, Massachusetts General Hospital for Children, Boston, Massachusetts, USA
- Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
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Danielewicz H, Gurgul A, Dębińska A, Drabik-Chamerska A, Hirnle L, Boznański A. Cord blood methylation at TNFRSF17 is associated with early allergic phenotypes. Immunol Res 2024:10.1007/s12026-024-09524-2. [PMID: 39085570 DOI: 10.1007/s12026-024-09524-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Accepted: 07/23/2024] [Indexed: 08/02/2024]
Abstract
Food allergy and eczema are the earliest allergic phenotypes in childhood. These diseases could be related to either IgE-mediated or non-IgE-mediated reactions to the allergen. TNFRSF17 is a key molecule in B cell maturation and is important in both types of responses.We conducted a study comparing the relative expression and the methylation status at the TNFRSF17 in regard to the child's early atopic sensitisation and allergic phenotypes.In the recruited population of 200 women and 174 children with available clinical data (physical examination by allergist and antigen-specific IgE measurements), 78 cord blood samples were included in the gene expression analysis (relative gene expression with GAPDH as reference by RT-PCR) and 96 samples with microarray DNA methylation data (whole genome methylation profile Infinium MethylationEPIC).The altered TNFRSF17 methylation pattern in the cord blood at both single cg04453550 and mean methylation at upstream of TNFRSF17 was observed in children who developed food allergy and/or eczema in early childhood. The change in methylation profile was mirrored by the relative expression. The profile of IgE sensitisation to food and/or inhalant allergens was not significantly associated with either methylation or expression of TNFRSF17.In conclusion, methylation at the upstream sites at TNFRSF17 in the cord blood at birth is associated with food allergy and eczema early in childhood.
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Affiliation(s)
- Hanna Danielewicz
- 1st Clinical Department of Pediatrics, Allergology and Cardiology, Wroclaw Medical University, Ul. Chałubińskiego 2a, 50-368, Wrocław, Poland.
| | - Artur Gurgul
- Center for Experimental and Innovative Medicine, University of Agriculture in Krakow, Rędzina 1C, 30-248, Kraków, Poland
| | - Anna Dębińska
- 1st Clinical Department of Pediatrics, Allergology and Cardiology, Wroclaw Medical University, Ul. Chałubińskiego 2a, 50-368, Wrocław, Poland
| | - Anna Drabik-Chamerska
- 1st Clinical Department of Pediatrics, Allergology and Cardiology, Wroclaw Medical University, Ul. Chałubińskiego 2a, 50-368, Wrocław, Poland
| | - Lidia Hirnle
- 1st Clinical Department of Gynecology and Obstetrics, Wroclaw Medical University, Ul. Chałubińskiego 5, 50-368, Wroclaw, Poland
| | - Andrzej Boznański
- 1st Clinical Department of Pediatrics, Allergology and Cardiology, Wroclaw Medical University, Ul. Chałubińskiego 2a, 50-368, Wrocław, Poland
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Zheng W, Wai CYY, Sit JKC, Cheng NS, Leung CWM, Leung TF. Routinely Used and Emerging Diagnostic and Immunotherapeutic Approaches for Wheat Allergy. Biomedicines 2024; 12:1549. [PMID: 39062122 PMCID: PMC11275021 DOI: 10.3390/biomedicines12071549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 07/06/2024] [Accepted: 07/09/2024] [Indexed: 07/28/2024] Open
Abstract
Wheat, a component of the staple diet globally, is a common food allergen in children. The symptoms of wheat allergy (WA) range from skin rash to shortness of breath, significantly impairing quality of life. Following initial clinical suspicion, individuals may undergo routinely used allergy tests such as a wheat allergen-specific skin prick test (SPT), a blood test for specific immunoglobulin E (sIgE) levels, or oral food challenge. Conventional management of WA lies in wheat avoidance, yet accidental consumption may be inevitable owing to the ubiquity of wheat in various food products. This article aims to provide an overview of the immunologic pathway of WA, followed by its emerging diagnostic methods, namely alcohol-soluble SPT extracts, component-resolved diagnosis, and the basophil activation test (BAT). The mechanisms underlying wheat allergen-specific oral immunotherapy (OIT) as well as a summary of the efficacy, tolerability, and safety of related clinical trials will then be discussed.
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Affiliation(s)
- Wanqi Zheng
- Department of Paediatrics, The Chinese University of Hong Kong, Shatin, Hong Kong; (W.Z.); (C.Y.Y.W.); (J.K.C.S.); (N.S.C.)
| | - Christine Yee Yan Wai
- Department of Paediatrics, The Chinese University of Hong Kong, Shatin, Hong Kong; (W.Z.); (C.Y.Y.W.); (J.K.C.S.); (N.S.C.)
- Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Jason Ka Chun Sit
- Department of Paediatrics, The Chinese University of Hong Kong, Shatin, Hong Kong; (W.Z.); (C.Y.Y.W.); (J.K.C.S.); (N.S.C.)
| | - Nam Sze Cheng
- Department of Paediatrics, The Chinese University of Hong Kong, Shatin, Hong Kong; (W.Z.); (C.Y.Y.W.); (J.K.C.S.); (N.S.C.)
| | | | - Ting Fan Leung
- Department of Paediatrics, The Chinese University of Hong Kong, Shatin, Hong Kong; (W.Z.); (C.Y.Y.W.); (J.K.C.S.); (N.S.C.)
- Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Shatin, Hong Kong
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Yang N, Srivastava K, Chen Y, Li H, Maskey A, Yoo P, Liu X, Tiwari RK, Geliebter J, Nowak-Wegrzyn A, Zhan J, Li XM. Sustained silencing peanut allergy by xanthopurpurin is associated with suppression of peripheral and bone marrow IgE-producing B cell. Front Immunol 2024; 15:1299484. [PMID: 38380329 PMCID: PMC10876879 DOI: 10.3389/fimmu.2024.1299484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 01/11/2024] [Indexed: 02/22/2024] Open
Abstract
Introduction Peanut allergy is an immunoglobulin E (IgE) mediated food allergy. Rubia cordifolia L. (R. cordifolia), a Chinese herbal medicine, protects against peanut-induced anaphylaxis by suppressing IgE production in vivo. This study aims to identify IgE-inhibitory compounds from the water extract of R. cordifolia and investigate the underlying mechanisms using in vitro and in vivo models. Methods Compounds were isolated from R. cordifolia water extract and their bioactivity on IgE production was assessed using a human myeloma U266 cell line. The purified active compound, xanthopurpurin (XPP), was identified by LC-MS and NMR. Peanut-allergic C3H/HeJ mice were orally administered with or without XPP at 200µg or 400µg per mouse per day for 4 weeks. Serum peanut-specific IgE levels, symptom scores, body temperatures, and plasma histamine levels were measured at challenge. Cytokines in splenocyte cultures were determined by ELISA, and IgE + B cells were analyzed by flow cytometry. Acute and sub-chronic toxicity were evaluated. IL-4 promoter DNA methylation, RNA-Seq, and qPCR analysis were performed to determine the regulatory mechanisms of XPP. Results XPP significantly and dose-dependently suppressed the IgE production in U266 cells. XPP significantly reduced peanut-specific IgE (>80%, p <0.01), and plasma histamine levels and protected the mice against peanut-allergic reactions in both early and late treatment experiments (p < 0.05, n=9). XPP showed a strong protective effect even 5 weeks after discontinuing the treatment. XPP significantly reduced the IL-4 level without affecting IgG or IgA and IFN-γ production. Flow cytometry data showed that XPP reduced peripheral and bone marrow IgE + B cells compared to the untreated group. XPP increased IL-4 promoter methylation. RNA-Seq and RT-PCR experiments revealed that XPP regulated the gene expression of CCND1, DUSP4, SDC1, ETS1, PTPRC, and IL6R, which are related to plasma cell IgE production. All safety testing results were in the normal range. Conclusions XPP successfully protected peanut-allergic mice against peanut anaphylaxis by suppressing IgE production. XPP suppresses murine IgE-producing B cell numbers and inhibits IgE production and associated genes in human plasma cells. XPP may be a potential therapy for IgE-mediated food allergy.
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Affiliation(s)
- Nan Yang
- R & D Division, General Nutraceutical Technology, LLC, Elmsford, NY, United States
| | - Kamal Srivastava
- R & D Division, General Nutraceutical Technology, LLC, Elmsford, NY, United States
| | - Yujuan Chen
- School of Life Science and Technology, Changchun University of Science and Technology, Changchun, Jilin, China
| | - Hang Li
- Central Lab, Shenzhen Bao’an Chinese Medicine Hospital, Shenzhen, China
| | - Anish Maskey
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States
| | - Patrick Yoo
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Xiaohong Liu
- Department of Respiratory, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Raj K. Tiwari
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States
| | - Jan Geliebter
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States
| | - Anna Nowak-Wegrzyn
- Department of Pediatrics, Hassenfeld Children’s Hospital, NYU Grossman School of Medicine, New York, NY, United States
| | - Jixun Zhan
- Department of Biological Engineering, Utah State University, Logan, UT, United States
| | - Xiu-Min Li
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States
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Bauer AN, Majumdar N, Williams F, Rajput S, Pokhrel LR, Cook PP, Akula SM. MicroRNAs: Small but Key Players in Viral Infections and Immune Responses to Viral Pathogens. BIOLOGY 2023; 12:1334. [PMID: 37887044 PMCID: PMC10604607 DOI: 10.3390/biology12101334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/21/2023] [Accepted: 10/11/2023] [Indexed: 10/28/2023]
Abstract
Since the discovery of microRNAs (miRNAs) in C. elegans in 1993, the field of miRNA research has grown steeply. These single-stranded non-coding RNA molecules canonically work at the post-transcriptional phase to regulate protein expression. miRNAs are known to regulate viral infection and the ensuing host immune response. Evolving research suggests miRNAs are assets in the discovery and investigation of therapeutics and diagnostics. In this review, we succinctly summarize the latest findings in (i) mechanisms underpinning miRNA regulation of viral infection, (ii) miRNA regulation of host immune response to viral pathogens, (iii) miRNA-based diagnostics and therapeutics targeting viral pathogens and challenges, and (iv) miRNA patents and the market landscape. Our findings show the differential expression of miRNA may serve as a prognostic biomarker for viral infections in regard to predicting the severity or adverse health effects associated with viral diseases. While there is huge market potential for miRNA technology, the novel approach of using miRNA mimics to enhance antiviral activity or antagonists to inhibit pro-viral miRNAs has been an ongoing research endeavor. Significant hurdles remain in terms of miRNA delivery, stability, efficacy, safety/tolerability, and specificity. Addressing these challenges may pave a path for harnessing the full potential of miRNAs in modern medicine.
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Affiliation(s)
- Anais N. Bauer
- Department of Microbiology & Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA; (A.N.B.); (N.M.); (F.W.)
| | - Niska Majumdar
- Department of Microbiology & Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA; (A.N.B.); (N.M.); (F.W.)
| | - Frank Williams
- Department of Microbiology & Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA; (A.N.B.); (N.M.); (F.W.)
| | - Smit Rajput
- Department of Internal Medicine, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA;
| | - Lok R. Pokhrel
- Department of Public Health, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA;
| | - Paul P. Cook
- Department of Internal Medicine, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA;
| | - Shaw M. Akula
- Department of Microbiology & Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA; (A.N.B.); (N.M.); (F.W.)
- Department of Internal Medicine, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA;
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Núñez R, Rodríguez MJ, Lebrón-Martín C, Martín-Astorga MDC, Ramos-Soriano J, Rojo J, Torres MJ, Cañas JA, Mayorga C. A synthetic glycodendropeptide induces methylation changes on regulatory T cells linked to tolerant responses in anaphylactic-mice. Front Immunol 2023; 14:1165852. [PMID: 37334360 PMCID: PMC10272618 DOI: 10.3389/fimmu.2023.1165852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 05/22/2023] [Indexed: 06/20/2023] Open
Abstract
Introduction Lipid transfer proteins (LTPs) are allergens found in a wide range of plant-foods. Specifically, Pru p 3, the major allergen of peach, is commonly responsible for severe allergic reactions. The need for new alternatives to conventional food allergy treatments, like restrictive diets, suggests allergen immunotherapy as a promising option. It has been demonstrated that sublingual immunotherapy (SLIT) with synthetic glycodendropeptides, such as D1ManPrup3, containing mannose and Pru p 3 peptides induced tolerance in mice and that the persistence of this effect depends on treatment dose (2nM or 5nM). Moreover, it produces changes associated with differential gene expression and methylation profile of dendritic cells, as well as phenotypical changes in regulatory T cells (Treg). However, there are no works addressing the study of epigenetic changes in terms of methylation in the cell subsets that sustain tolerant responses, Treg. Therefore, in this work, DNA methylation changes in splenic-Treg from Pru p 3 anaphylactic mice were evaluated. Methods It was performed by whole genome bisulphite sequencing comparing SLIT-D1ManPrup3 treated mice: tolerant (2nM D1ManPrup3), desensitized (5nM D1ManPrup3), and sensitized but not treated (antigen-only), with anaphylactic mice. Results Most of the methylation changes were found in the gene promoters from both SLIT-treated groups, desensitized (1,580) and tolerant (1,576), followed by the antigen-only (1,151) group. Although tolerant and desensitized mice showed a similar number of methylation changes, only 445 genes were shared in both. Remarkably, interesting methylation changes were observed on the promoter regions of critical transcription factors for Treg function like Stat4, Stat5a, Stat5b, Foxp3, and Gata3. In fact, Foxp3 was observed exclusively as hypomethylated in tolerant group, whereas Gata3 was only hypomethylated in the desensitized mice. Discussion In conclusion, diverse D1ManPrup3 doses induce different responses (tolerance or desensitization) in mice, which are reflected by differential methylation changes in Tregs.
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Affiliation(s)
- Rafael Núñez
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma BIONAND (IBIMA-BIONAND), Málaga, Spain
| | - María J. Rodríguez
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma BIONAND (IBIMA-BIONAND), Málaga, Spain
| | - Clara Lebrón-Martín
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma BIONAND (IBIMA-BIONAND), Málaga, Spain
| | - María del Carmen Martín-Astorga
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma BIONAND (IBIMA-BIONAND), Málaga, Spain
- Department of Medicine, Universidad de Málaga (UMA), Málaga, Spain
| | - Javier Ramos-Soriano
- Laboratory of Glycosystems, Institute of Chemical Research (IIQ), Centro Superior de Investigaciones Científicas (CSIC) - Universidad de Sevilla, Sevilla, Spain
| | - Javier Rojo
- Laboratory of Glycosystems, Institute of Chemical Research (IIQ), Centro Superior de Investigaciones Científicas (CSIC) - Universidad de Sevilla, Sevilla, Spain
| | - María J. Torres
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma BIONAND (IBIMA-BIONAND), Málaga, Spain
- Department of Medicine, Universidad de Málaga (UMA), Málaga, Spain
- Clinical Unit of Allergy, Hospital Regional Universitario de Málaga, Málaga, Spain
| | - José A. Cañas
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma BIONAND (IBIMA-BIONAND), Málaga, Spain
| | - Cristobalina Mayorga
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma BIONAND (IBIMA-BIONAND), Málaga, Spain
- Clinical Unit of Allergy, Hospital Regional Universitario de Málaga, Málaga, Spain
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Arzola-Martínez L, Ptaschinski C, Lukacs NW. Trained innate immunity, epigenetics, and food allergy. FRONTIERS IN ALLERGY 2023; 4:1105588. [PMID: 37304168 PMCID: PMC10251748 DOI: 10.3389/falgy.2023.1105588] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 05/10/2023] [Indexed: 06/13/2023] Open
Abstract
In recent years the increased incidence of food allergy in Western culture has been associated with environmental factors and an inappropriate immune phenotype. While the adaptive immune changes in food allergy development and progression have been well-characterized, an increase in innate cell frequency and activation status has also recently received greater attention. Early in prenatal and neonatal development of human immunity there is a reliance on epigenetic and metabolic changes that stem from environmental factors, which are critical in training the immune outcomes. In the present review, we discuss how trained immunity is regulated by epigenetic, microbial and metabolic factors, and how these factors and their impact on innate immunity have been linked to the development of food allergy. We further summarize current efforts to use probiotics as a potential therapeutic approach to reverse the epigenetic and metabolic signatures and prevent the development of severe anaphylactic food allergy, as well as the potential use of trained immunity as a diagnostic and management strategy. Finally, trained immunity is presented as one of the mechanisms of action of allergen-specific immunotherapy to promote tolerogenic responses in allergic individuals.
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Affiliation(s)
- Llilian Arzola-Martínez
- Department of Pathology, University of Michigan, Ann Arbor, MI, United States
- Mary H. Weiser Food Allergy Center (MHWFAC), University of Michigan, Ann Arbor, MI, United States
| | - Catherine Ptaschinski
- Department of Pathology, University of Michigan, Ann Arbor, MI, United States
- Mary H. Weiser Food Allergy Center (MHWFAC), University of Michigan, Ann Arbor, MI, United States
| | - Nicholas W. Lukacs
- Department of Pathology, University of Michigan, Ann Arbor, MI, United States
- Mary H. Weiser Food Allergy Center (MHWFAC), University of Michigan, Ann Arbor, MI, United States
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Stumpf K, Mirpuri J. Maternal Macro- and Micronutrient Intake During Pregnancy: Does It Affect Allergic Predisposition in Offspring? Immunol Allergy Clin North Am 2023; 43:27-42. [PMID: 36411006 DOI: 10.1016/j.iac.2022.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
This review article explores the available literature on the association of maternal nutrient intake with development of allergies in offspring. It examines the mechanisms for maternal diet-mediated effects on offspring immunity and dissects recent human and animal studies that evaluate the role of both maternal macro- and micronutrient intake on offspring susceptibility to asthma, eczema, food allergy, and atopy.
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Affiliation(s)
- Katherine Stumpf
- Department of Pediatrics, Division of Neonatal-Perinatal Medicine, UT Southwestern Medical Center, 5323 Harry Hines Boulevard- Suite F3.302, Dallas, TX 75390-9063, USA.
| | - Julie Mirpuri
- Department of Pediatrics, Division of Neonatal-Perinatal Medicine, UT Southwestern Medical Center, 5323 Harry Hines Boulevard- Suite F3.302, Dallas, TX 75390-9063, USA.
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Nuyttens L, De Vlieger L, Diels M, Schrijvers R, Bullens DMA. The clinical and immunological basis of early food introduction in food allergy prevention. FRONTIERS IN ALLERGY 2023; 4:1111687. [PMID: 36756279 PMCID: PMC9899849 DOI: 10.3389/falgy.2023.1111687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/04/2023] [Indexed: 01/24/2023] Open
Abstract
IgE-mediated food allergy has an estimated prevalence of 6%-10% in developed countries. Allergen avoidance has long been the main focus in the prevention of food allergy and late solid food introduction after 6-12 months of age was recommended in high-risk infants. However, the rising prevalence of food allergy despite delayed exposure to allergens and the observations that IgE-mediated sensitization to food products could even occur before the introduction of solid foods resulted in a shift towards early solid food introduction as an attempt to prevent IgE-mediated food allergy. Since then, many trials focused on the clinical outcome of early allergen introduction and overall seem to point to a protective effect on the development of IgE-mediated food allergies. For non-IgE-mediated diseases of food allergy, evidence of early food introduction seems less clear. Moreover, data on the underlying immunological processes in early food introduction is lacking. The goal of this review is to summarize the available data of immunological changes in early food introduction to prevent IgE and non-IgE mediated food allergy.
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Affiliation(s)
- L. Nuyttens
- Allergy and Clinical Immunology Research Group, Department of Microbiology, Immunology & Transplantation, KU Leuven, Leuven, Belgium,Department of Pediatrics, University Hospitals Leuven, Leuven, Belgium
| | - L. De Vlieger
- Allergy and Clinical Immunology Research Group, Department of Microbiology, Immunology & Transplantation, KU Leuven, Leuven, Belgium
| | - M. Diels
- Department of Pediatrics, University Hospitals Leuven, Leuven, Belgium
| | - R. Schrijvers
- Allergy and Clinical Immunology Research Group, Department of Microbiology, Immunology & Transplantation, KU Leuven, Leuven, Belgium,Department of General Internal Medicine, Division of Allergy and Clinical Immunology, University Hospitals Leuven, Leuven, Belgium
| | - D. M. A. Bullens
- Allergy and Clinical Immunology Research Group, Department of Microbiology, Immunology & Transplantation, KU Leuven, Leuven, Belgium,Department of Pediatrics, University Hospitals Leuven, Leuven, Belgium,Correspondence: D. M. A Bullens
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Núñez R, Rodríguez MJ, Lebrón-Martín C, Martín-Astorga MDC, Palomares F, Ramos-Soriano J, Rojo J, Torres MJ, Cañas JA, Mayorga C. Methylation changes induced by a glycodendropeptide immunotherapy and associated to tolerance in mice. Front Immunol 2022; 13:1094172. [PMID: 36643916 PMCID: PMC9832389 DOI: 10.3389/fimmu.2022.1094172] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 11/29/2022] [Indexed: 12/15/2022] Open
Abstract
Introduction Allergen-specific immunotherapy (AIT) is applied as treatment to rise tolerance in patients with food allergies. Although AIT is thoroughly used, the underlying epigenetic events related to tolerant induction are still unknown. Thus, we aim to investigate epigenetic changes that could be related to tolerance in dendritic cells (DCs) from anaphylactic mice to lipid transfer proteins, Pru p 3, in the context of a sublingual immunotherapy (SLIT) with a glycodendropeptide (D1ManPrup3) that has demonstrated tolerant or desensitization responses depending on the treatment dose. Methods Changes in DNA methylation in CpG context were determined comparing Sensitized (Antigen-only) animals and two groups receiving SLIT with the D1ManPrup3 nanostructure (D1ManPrup3-SLIT): Tolerant (2nM D1ManPrup3) and Desensitized (5nM D1ManPrup3), against anaphylactic animals. DNA from lymph nodes-DCs were isolated and then, Whole Genome Bisulphite Sequencing was performed to analyze methylation. Results Most differentially methylated regions were found on the area of influence of gene promoters (DMPRs). Compared to the Anaphylactic group, the highest value was found in Desensitized mice (n = 7,713 DMPRs), followed by Tolerant (n = 4,091 DMPRs) and Sensitized (n = 3,931 DMPRs) mice. Moreover, many of these epigenetic changes were found in genes involved in immune and tolerance responses (Il1b, Il12b, Il1a, Ifng, and Tnf) as shown by functional enrichment (DCs regulation, B cell-mediated immunity, and effector mechanisms). Discussion In conclusion, different doses of D1ManPrup3-SLIT induce different DNA methylation changes, which are reflected in the induction of distinct responses, tolerance, or desensitization.
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Affiliation(s)
- Rafael Núñez
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma Andalusian Centre for Nanomedicine and Biotechnology (IBIMA-BIONAND), Málaga, Spain
| | - María J. Rodríguez
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma Andalusian Centre for Nanomedicine and Biotechnology (IBIMA-BIONAND), Málaga, Spain
| | - Clara Lebrón-Martín
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma Andalusian Centre for Nanomedicine and Biotechnology (IBIMA-BIONAND), Málaga, Spain
| | - María del Carmen Martín-Astorga
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma Andalusian Centre for Nanomedicine and Biotechnology (IBIMA-BIONAND), Málaga, Spain,Department of Medicine, Universidad de Málaga (UMA), Málaga, Spain
| | - Francisca Palomares
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma Andalusian Centre for Nanomedicine and Biotechnology (IBIMA-BIONAND), Málaga, Spain
| | - Javier Ramos-Soriano
- Laboratory of Glycosystems, Institute of Chemical Research (IIQ), Spanish National Research Council (CSIC)- Universidad de Sevilla, Sevilla, Spain
| | - Javier Rojo
- Laboratory of Glycosystems, Institute of Chemical Research (IIQ), Spanish National Research Council (CSIC)- Universidad de Sevilla, Sevilla, Spain
| | - María J. Torres
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma Andalusian Centre for Nanomedicine and Biotechnology (IBIMA-BIONAND), Málaga, Spain,Department of Medicine, Universidad de Málaga (UMA), Málaga, Spain,Clinical Unit of Allergy, Hospital Regional Universitario de Málaga, Málaga, Spain
| | - José Antonio Cañas
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma Andalusian Centre for Nanomedicine and Biotechnology (IBIMA-BIONAND), Málaga, Spain
| | - Cristobalina Mayorga
- Laboratory of Allergy, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-Plataforma Andalusian Centre for Nanomedicine and Biotechnology (IBIMA-BIONAND), Málaga, Spain,Clinical Unit of Allergy, Hospital Regional Universitario de Málaga, Málaga, Spain,*Correspondence: Cristobalina Mayorga,
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11
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Management of Adult Patients with Gastrointestinal Symptoms from Food Hypersensitivity-Narrative Review. J Clin Med 2022; 11:jcm11247326. [PMID: 36555942 PMCID: PMC9784954 DOI: 10.3390/jcm11247326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 11/29/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022] Open
Abstract
The incidence of food hypersensitivity has increased dramatically over the years not only among children but also in adults. Adult patients are usually less suspected of food hypersensitivity symptoms since food allergies are more typical for small children, with a tendency to outgrow the condition. The aim of this article is to increase awareness of hypersensitivity to food symptoms and their diagnosis and treatment possibilities among gastroenterologists and other health care professionals dealing with this type of patient. Symptoms of many gastrointestinal disorders, especially functional, may be driven by different types of mechanisms, and food intolerance or allergy should be considered as a potential cause. This article presents the current understanding of the epidemiology, diagnosis and treatment of immune- and non-immune-mediated food-induced diseases. Diagnosis of food hypersensitivity is based mainly on medical history, different types of sensitivity tests, e.g., hydrogen breath test, specific IgE (sIgE) serum concentration, tissue eosinophil count, skin tests and oral food challenges considered as a "gold standard" for food allergy. Elimination diet and pharmacologic treatment for allergy symptoms are first-line therapies. Eosinophilic gastrointestinal diseases are often caused by non-IgE-mediated food allergies, require endoscopic biopsy samples to confirm diagnosis and proper elimination diet often combined with steroids or proton pump inhibitor agents for treatment. Mast cell activation syndrome (MCAS) derives from pathologic reaction of mast cells with increased tryptase serum level as a marker. Symptoms may occur in the digestive, respiratory, skin, neurologic and cardiovascular system. Treatment is based on histamine type 1, type 2 (H1, H2) receptor antagonists and other mast cell stabilizing agents. Carbohydrate intolerances are the most common type of food hypersensitivity in adult patients, and an elimination diet is effective for reducing symptoms. Food additives hypersensitivity remains difficult to diagnose, but use of a diet low in chemical substances alleviates symptoms and helps to diagnose the triggering factors.
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12
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Szukiewicz D. Epigenetic regulation and T-cell responses in endometriosis – something other than autoimmunity. Front Immunol 2022; 13:943839. [PMID: 35935991 PMCID: PMC9355085 DOI: 10.3389/fimmu.2022.943839] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 06/27/2022] [Indexed: 11/13/2022] Open
Abstract
Endometriosis is defined as the presence of endometrial-like glands and stroma located outside the uterine cavity. This common, estrogen dependent, inflammatory condition affects up to 15% of reproductive-aged women and is a well-recognized cause of chronic pelvic pain and infertility. Despite the still unknown etiology of endometriosis, much evidence suggests the participation of epigenetic mechanisms in the disease etiopathogenesis. The main rationale is based on the fact that heritable phenotype changes that do not involve alterations in the DNA sequence are common triggers for hormonal, immunological, and inflammatory disorders, which play a key role in the formation of endometriotic foci. Epigenetic mechanisms regulating T-cell responses, including DNA methylation and posttranslational histone modifications, deserve attention because tissue-resident T lymphocytes work in concert with organ structural cells to generate appropriate immune responses and are functionally shaped by organ-specific environmental conditions. Thus, a failure to precisely regulate immune cell transcription may result in compromised immunological integrity of the organ with an increased risk of inflammatory disorders. The coexistence of endometriosis and autoimmunity is a well-known occurrence. Recent research results indicate regulatory T-cell (Treg) alterations in endometriosis, and an increased number of highly active Tregs and macrophages have been found in peritoneal fluid from women with endometriosis. Elimination of the regulatory function of T cells and an imbalance between T helper cells of the Th1 and Th2 types have been reported in the endometria of women with endometriosis-associated infertility. This review aims to present the state of the art in recognition epigenetic reprogramming of T cells as the key factor in the pathophysiology of endometriosis in the context of T-cell-related autoimmunity. The new potential therapeutic approaches based on epigenetic modulation and/or adoptive transfer of T cells will also be outlined.
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13
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Lee JY, Park SH, Jhee KH, Yang SA. Zizania latifolia and Its Major Compound Tricin Regulate Immune Responses in OVA-Treated Mice. Molecules 2022; 27:molecules27133978. [PMID: 35807220 PMCID: PMC9268014 DOI: 10.3390/molecules27133978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/14/2022] [Accepted: 06/20/2022] [Indexed: 11/29/2022] Open
Abstract
Tricin, a flavone belonging to the Gramineae family, has been confirmed to be the primary compound in a Zizania latifolia extract (ZLE) that prevents allergies. Various allergic reactions occur because of the unbalanced differentiation of T help cells (Th) and the consequent overproduction of IgE. Therefore, the regulation of Th1 and Th2 responses by T helper cell differentiation is essential for suppressing allergic responses. This study confirmed the immunomodulatory effects of ZLE and the major compound tricin in an OVA-sensitized mouse model. The IgE and OVA-specific production of tricin and ZLE in plasma were investigated in OVA-sensitized mice. The effects of tricin and ZLE on the amount of Th1 and Th2 cytokines and transcription factors released in splenocytes were investigated in OVA-sensitized mice. The skin roughness and the number of mast cells were confirmed by staining the skin surface with H&E and toluidine blue. Tricin and ZLE reduced the plasma IgE and OVA-specific-IgE levels significantly compared to the OVA group. On the other hand, tricin and ZLE promoted the release of the Th1 cytokines IL-12 and IFN-γ and inhibited the release of Th2 cytokines (IL-4, -10, -13, and -5) in OVA-sensitized mice. Tricin and ZLE induced T-bet and NFATc2 expression, and-down regulated GATA-3 levels. The skin roughness and the number of mast cells decreased in the OVA-immunized mice. Overall, the data indicate that tricin and ZLE may prevent allergy-related diseases through immunomodulation.
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Affiliation(s)
- Jae-Yeul Lee
- Institute of Natural Science, Keimyung University, Daegu 42601, Korea; (J.-Y.L.); (S.-H.P.)
- Department of Applied Chemistry, Kumoh National Institute of Technology, Gumi 39177, Korea;
| | - Se-Ho Park
- Institute of Natural Science, Keimyung University, Daegu 42601, Korea; (J.-Y.L.); (S.-H.P.)
- Department of Applied Chemistry, Kumoh National Institute of Technology, Gumi 39177, Korea;
| | - Kwang-Hwan Jhee
- Department of Applied Chemistry, Kumoh National Institute of Technology, Gumi 39177, Korea;
| | - Seun-Ah Yang
- Department of Food Science and Technology, Keimyung University, Daegu 42601, Korea
- Correspondence: ; Tel.: +82-53-580-5117
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14
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Ridolo E, Incorvaia C, Heffler E, Cavaliere C, Paoletti G, Canonica GW. The Present and Future of Allergen Immunotherapy in Personalized Medicine. J Pers Med 2022; 12:jpm12050774. [PMID: 35629196 PMCID: PMC9143661 DOI: 10.3390/jpm12050774] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/06/2022] [Accepted: 05/09/2022] [Indexed: 12/13/2022] Open
Abstract
Allergic diseases are particularly suitable for personalized medicine, because they meet the needs for therapeutic success, which include a known molecular mechanism of the disease, a diagnostic tool for that disease and a treatment that blocks this mechanism. A range of tools is available for personalized allergy diagnosis, including molecular diagnostics, treatable traits and omics (i.e., proteomics, epigenomics, metabolomics, transcriptomics and breathomics), to predict patient response to therapies, detect biomarkers and mediators and assess disease control status. Such tools enhance allergen immunotherapy. Higher diagnostic accuracy results in a significant increase (based on a greater performance achieved with personalized treatment) in efficacy, further increasing the known and unique characteristics of a treatment designed to work on allergy causes.
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Affiliation(s)
- Erminia Ridolo
- Allergy and Clinical Immunology, Medicine and Surgery Department, University of Parma, 43121 Parma, Italy;
- Correspondence:
| | - Cristoforo Incorvaia
- Allergy and Clinical Immunology, Medicine and Surgery Department, University of Parma, 43121 Parma, Italy;
| | - Enrico Heffler
- IRCCS Humanitas Research Hospital, 20089 Milan, Italy; (E.H.); (G.P.); (G.W.C.)
- Department of Biomedical Sciences, Humanitas University, 20089 Milan, Italy
| | - Carlo Cavaliere
- Department of Sense Organs, Sapienza University, 00185 Rome, Italy;
| | - Giovanni Paoletti
- IRCCS Humanitas Research Hospital, 20089 Milan, Italy; (E.H.); (G.P.); (G.W.C.)
- Department of Biomedical Sciences, Humanitas University, 20089 Milan, Italy
| | - Giorgio Walter Canonica
- IRCCS Humanitas Research Hospital, 20089 Milan, Italy; (E.H.); (G.P.); (G.W.C.)
- Department of Biomedical Sciences, Humanitas University, 20089 Milan, Italy
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15
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Nutrition during Pregnancy and Lactation: Epigenetic Effects on Infants’ Immune System in Food Allergy. Nutrients 2022; 14:nu14091766. [PMID: 35565735 PMCID: PMC9103859 DOI: 10.3390/nu14091766] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/12/2022] [Accepted: 04/21/2022] [Indexed: 12/12/2022] Open
Abstract
Food allergies are an increasing health problem worldwide. They are multifactorial diseases, in which the genome alone does not explain the development of the disease, but a genetic predisposition and various environmental factors contribute to their onset. Environmental factors, in particular nutritional factors, in the early stages of life are recognized as key elements in the etiology of food allergies. There is growing evidence advising that nutrition can affect the risk of developing food allergies through epigenetic mechanisms elicited by the nutritional factors themselves or by modulating the gut microbiota and its functional products. Gut microbiota and postbiotics can in turn influence the risk of food allergy development through epigenetic mechanisms. Epigenetic programming accounts not only for the short-term effects on the individual’s health status, but also for those observed in adulthood. The first thousand days of life represent an important window of susceptibility in which environmental factors, including nutritional ones, can influence the risk of developing allergies through epigenetic mechanisms. From this point of view, it represents an interesting window of opportunity and intervention. This review reports the main nutritional factors that in the early stages of life can influence immune oral tolerance through the modulation of epigenetic mechanisms.
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16
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Matsyura O, Besh L, Kens O, Kosorinová D, Volkovová K, Vari SG. Polymorphic Variants of Interleukin-13 R130Q and Interleukin-4 T589C in Children with and without Cow's Milk Allergy. Life (Basel) 2022; 12:life12050612. [PMID: 35629280 PMCID: PMC9147099 DOI: 10.3390/life12050612] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/29/2022] [Accepted: 04/01/2022] [Indexed: 11/16/2022] Open
Abstract
Cow’s milk allergy (CMA) is one of the most frequent types of food allergy. The aim of the study was to investigate whether IL-13 R130Q and IL-4 T589C polymorphisms are associated with the risk of CMA in young Ukrainian children. A total of 120 children (age range: 1−3 years) participated in the study and were divided into two groups: CMA (n = 60) and healthy controls (CNT, n = 60). The CMA group had two subgroups: specific oral tolerance induction (SOTI, n = 30) and milk elimination diet (MED, n = 30). The CNT group had two subgroups: positive family history of allergy (+FHA, n = 24) and negative family history of allergy (−FHA, n = 36). In the CMA group, molecular genetic testing of CC, CT, and TT genotypes of single nucleotide IL-4 T589C gene polymorphisms showed significantly higher rates of the CC genotype compared to healthy controls (92.2% vs. 58.8%; p < 0.01). In the CMA group, molecular genetic testing of GG, GA, and AA genotypes of single nucleotide IL-13 R130Q gene polymorphisms showed significantly higher rates of GA and AA polymorphic locus genotypes compared to healthy controls (43.5% vs. 22.4%, p < 0.05 and 8.7% vs. 0%, p < 0.05, respectively). In future studies, the genotypic and allelic distribution of these polymorphic variants will be determined in children with CMA and healthy children.
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Affiliation(s)
- Oksana Matsyura
- Department of Pediatrics №2, Danylo Halytsky Lviv National Medical University, 79010 Lviv, Ukraine;
- Correspondence: ; Tel.: +380-973-059-273
| | - Lesya Besh
- Department of Pediatrics №2, Danylo Halytsky Lviv National Medical University, 79010 Lviv, Ukraine;
| | - Olena Kens
- Institute of Hereditary Pathology of National Academy of Medical Sciences of Ukraine, 79000 Lviv, Ukraine;
| | - Dana Kosorinová
- Medical Faculty, Slovak Medical University in Bratislava, 833 03 Bratislava, Slovakia; (D.K.); (K.V.)
| | - Katarína Volkovová
- Medical Faculty, Slovak Medical University in Bratislava, 833 03 Bratislava, Slovakia; (D.K.); (K.V.)
| | - Sandor G. Vari
- International Research and Innovation in Medicine Program, Cedars-Sinai Medical Center, Los Angeles, CA 90048-4903, USA;
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