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Perez-Garcia J, Cardenas A, Lorenzo-Diaz F, Pino-Yanes M. Precision medicine for asthma treatment: Unlocking the potential of the epigenome and microbiome. J Allergy Clin Immunol 2024:S0091-6749(24)00634-1. [PMID: 38906272 DOI: 10.1016/j.jaci.2024.06.010] [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: 03/06/2024] [Revised: 06/17/2024] [Accepted: 06/18/2024] [Indexed: 06/23/2024]
Abstract
Asthma is a leading worldwide biomedical concern. Patients can experience life-threatening worsening episodes (exacerbations) usually controlled by anti-inflammatory and bronchodilator drugs. However, substantial heterogeneity in treatment response exists, and a subset of patients with unresolved asthma carry the major burden of this disease. The study of the epigenome and microbiome might bridge the gap between human genetics and environmental exposure to partially explain the heterogeneity in drug response. This review aims to provide a critical examination of the existing literature on the microbiome and epigenetic studies examining associations with asthma treatments and drug response, highlight convergent pathways, address current challenges, and offer future perspectives. Current epigenetic and microbiome studies have shown the bilateral relationship between asthma pharmacologic interventions and the human epigenome and microbiome. These studies, focusing on corticosteroids and to a lesser extent on bronchodilators, azithromycin, immunotherapy, and mepolizumab, have improved the understanding of the molecular basis of treatment response and identified promising biomarkers for drug response prediction. Immune and inflammatory pathways (eg, IL-2, TNF-α, NF-κB, and C/EBPs) underlie microbiome-epigenetic associations with asthma treatment, representing potential therapeutic pathways to be targeted. A comprehensive evaluation of these omics biomarkers could significantly contribute to precision medicine and new therapeutic target discovery.
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Affiliation(s)
- Javier Perez-Garcia
- Genomics and Health Group, Department of Biochemistry, Microbiology, Cell Biology, and Genetics, Universidad de La Laguna (ULL), La Laguna, Tenerife, Spain.
| | - Andres Cardenas
- Department of Epidemiology and Population Health, Stanford University, Stanford, Calif
| | - Fabian Lorenzo-Diaz
- Genomics and Health Group, Department of Biochemistry, Microbiology, Cell Biology, and Genetics, Universidad de La Laguna (ULL), La Laguna, Tenerife, Spain; Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC), Universidad de La Laguna (ULL), La Laguna, Tenerife, Spain
| | - Maria Pino-Yanes
- Genomics and Health Group, Department of Biochemistry, Microbiology, Cell Biology, and Genetics, Universidad de La Laguna (ULL), La Laguna, Tenerife, Spain; Instituto de Tecnologías Biomédicas (ITB), Universidad de La Laguna (ULL), La Laguna, Tenerife, Spain; CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
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2
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Fainardi V, Caffarelli C, Deolmi M, Zambelli G, Palazzolo E, Scavone S, Bergamini BM, Bertelli L, Biserna L, Bottau P, Corinaldesi E, De Paulis N, Di Palmo E, Dondi A, Gallucci M, Guidi B, Lombardi F, Magistrali MS, Marastoni E, Pastorelli S, Piccorossi A, Poloni M, Tagliati S, Vaienti F, Gregori G, Sacchetti R, Antodaro F, Bergomi A, Reggiani L, De Fanti A, Marchetti F, Grandinetti R, Mussi N, Ricci G, Esposito S. Maintenance Therapy for Children and Adolescents with Asthma: Guidelines and Recommendations from the Emilia-Romagna Asthma (ERA) Study Group. J Clin Med 2023; 12:5467. [PMID: 37685533 PMCID: PMC10487522 DOI: 10.3390/jcm12175467] [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: 06/13/2023] [Revised: 08/14/2023] [Accepted: 08/17/2023] [Indexed: 09/10/2023] Open
Abstract
Asthma is the most frequent chronic disease of childhood, affecting up to 20% of children worldwide. The main guidelines on asthma maintenance therapy in pediatrics suggest different approaches and describe different stages of asthma to determine the most appropriate treatment. This project aims to summarize the most recent evidence regarding maintenance therapy for asthma in children and adolescents. A multidisciplinary panel of experts was asked clinical questions regarding the treatment of children and adolescents with asthma. Overall, 10 clinical questions were addressed, and the search strategy included accessing electronic databases and a manual search of gray literature published in the last 25 years. After data extraction and narrative synthesis of results, recommendations were developed using the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) methodology. Results showed that the choice of medication depends on the severity of the child's asthma, phenotype, age, preference, and individual factors. In addition to medications, the identification of comorbidities and modifiable factors is crucial to obtaining good control. Asthma in children is heterogeneous, and its evolution varies over time. Since most recommendations for asthma management in childhood are extrapolated from clinical studies performed in adults, more clinical trials specifically designed for young children should be conducted.
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Affiliation(s)
- Valentina Fainardi
- Pediatric Clinic, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (V.F.); (C.C.); (M.D.); (G.Z.); (E.P.); (S.S.); (R.G.); (N.M.)
| | - Carlo Caffarelli
- Pediatric Clinic, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (V.F.); (C.C.); (M.D.); (G.Z.); (E.P.); (S.S.); (R.G.); (N.M.)
| | - Michela Deolmi
- Pediatric Clinic, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (V.F.); (C.C.); (M.D.); (G.Z.); (E.P.); (S.S.); (R.G.); (N.M.)
| | - Giulia Zambelli
- Pediatric Clinic, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (V.F.); (C.C.); (M.D.); (G.Z.); (E.P.); (S.S.); (R.G.); (N.M.)
| | - Elisabetta Palazzolo
- Pediatric Clinic, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (V.F.); (C.C.); (M.D.); (G.Z.); (E.P.); (S.S.); (R.G.); (N.M.)
| | - Sara Scavone
- Pediatric Clinic, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (V.F.); (C.C.); (M.D.); (G.Z.); (E.P.); (S.S.); (R.G.); (N.M.)
| | - Barbara Maria Bergamini
- Paediatric Unit, Department of Medical and Surgical Sciences of Mothers, Children and Adults, University of Modena and Reggio Emilia, 41125 Modena, Italy;
| | - Luca Bertelli
- Pediatric Clinic, Scientific Institute for Research and Healthcare (IRCCS) Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (L.B.); (E.D.P.); (A.D.); (M.G.); (G.R.)
| | - Loretta Biserna
- Paediatrics and Neonatology Unit, Ravenna Hospital, Azienda Unità Sanitaria Locale (AUSL) Romagna, 48121 Ravenna, Italy; (L.B.); (F.M.)
| | - Paolo Bottau
- Paediatrics Unit, Imola Hospital, 40026 Imola, Italy;
| | | | - Nicoletta De Paulis
- Paediatrics and Neonatology Unit, Guglielmo da Saliceto Hospital, 29121 Piacenza, Italy; (N.D.P.)
| | - Emanuela Di Palmo
- Pediatric Clinic, Scientific Institute for Research and Healthcare (IRCCS) Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (L.B.); (E.D.P.); (A.D.); (M.G.); (G.R.)
| | - Arianna Dondi
- Pediatric Clinic, Scientific Institute for Research and Healthcare (IRCCS) Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (L.B.); (E.D.P.); (A.D.); (M.G.); (G.R.)
| | - Marcella Gallucci
- Pediatric Clinic, Scientific Institute for Research and Healthcare (IRCCS) Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (L.B.); (E.D.P.); (A.D.); (M.G.); (G.R.)
| | - Battista Guidi
- Hospital and Territorial Paediatrics Unit, 41026 Pavullo, Italy;
| | | | - Maria Sole Magistrali
- Paediatrics and Neonatology Unit, Guglielmo da Saliceto Hospital, 29121 Piacenza, Italy; (N.D.P.)
| | - Elisabetta Marastoni
- Paediatrics Unit, Santa Maria Nuova Hospital, Azienda Unità Sanitaria Locale (AUSL)-Scientific Institute for Research and Healthcare (IRCCS) of Reggio Emilia, 42123 Reggio Emilia, Italy (A.D.F.)
| | | | - Alessandra Piccorossi
- Paediatrics and Paediatric Intensive Care Unit, Cesena Hospital, Azienda Unità Sanitaria Locale (AUSL) Romagna, 47521 Cesena, Italy
| | - Maurizio Poloni
- Paediatrics Unit, Rimini Hospital, Azienda Unità Sanitaria Locale (AUSL) Romagna, 47921 Rimini, Italy;
| | | | - Francesca Vaienti
- Paediatrics Unit, G.B. Morgagni Pierantoni Hospital, Azienda Unità Sanitaria Locale (AUSL) Romagna, 47121 Forlì, Italy;
| | - Giuseppe Gregori
- Primary Care Pediatricians, Azienda Unità Sanitaria Locale (AUSL) Piacenza, 29121 Piacenza, Italy; (G.G.); (R.S.)
| | - Roberto Sacchetti
- Primary Care Pediatricians, Azienda Unità Sanitaria Locale (AUSL) Piacenza, 29121 Piacenza, Italy; (G.G.); (R.S.)
| | - Francesco Antodaro
- Primary Care Pediatricians, Azienda Unità Sanitaria Locale (AUSL) Modena, 41125 Modena, Italy; (F.A.)
| | - Andrea Bergomi
- Primary Care Pediatricians, Azienda Unità Sanitaria Locale (AUSL) Modena, 41125 Modena, Italy; (F.A.)
| | - Lamberto Reggiani
- Primary Care Pediatricians, Azienda Unità Sanitaria Locale (AUSL) Imola, 40026 Imola, Italy
| | - Alessandro De Fanti
- Paediatrics Unit, Santa Maria Nuova Hospital, Azienda Unità Sanitaria Locale (AUSL)-Scientific Institute for Research and Healthcare (IRCCS) of Reggio Emilia, 42123 Reggio Emilia, Italy (A.D.F.)
| | - Federico Marchetti
- Paediatrics and Neonatology Unit, Ravenna Hospital, Azienda Unità Sanitaria Locale (AUSL) Romagna, 48121 Ravenna, Italy; (L.B.); (F.M.)
| | - Roberto Grandinetti
- Pediatric Clinic, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (V.F.); (C.C.); (M.D.); (G.Z.); (E.P.); (S.S.); (R.G.); (N.M.)
| | - Nicole Mussi
- Pediatric Clinic, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (V.F.); (C.C.); (M.D.); (G.Z.); (E.P.); (S.S.); (R.G.); (N.M.)
| | - Giampaolo Ricci
- Pediatric Clinic, Scientific Institute for Research and Healthcare (IRCCS) Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (L.B.); (E.D.P.); (A.D.); (M.G.); (G.R.)
| | - Susanna Esposito
- Pediatric Clinic, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (V.F.); (C.C.); (M.D.); (G.Z.); (E.P.); (S.S.); (R.G.); (N.M.)
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Midoro-Horiuti T, Schein CH. Peptide immunotherapy for aeroallergens. Allergy Asthma Proc 2023; 44:237-243. [PMID: 37480199 PMCID: PMC10362967 DOI: 10.2500/aap.2023.44.230028] [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: 07/23/2023]
Abstract
Background: Allergen specific immunotherapy (SIT) has been used for more than a century. Researchers have been working to improve efficacy and reduce the side effects. Objective: We have reviewed the literature about peptides immunotherapy for inhaled allergens. The mechanism of SIT is to induce regulatory T (Treg) cells and to reduce T helper (Th)2 cells to induce class switching from IgE to IgG and induce blocking antibodies to inhibit allergen binding of IgE. Methods: The relevant published literatures on the peptide SIT for aeroallergens have been searched on the medline. Results: Modification of allergens and routes of treatment has been performed. Among them, many researchers were interested in peptide immunotherapy. T-cell epitope peptide has no IgE epitope, that is able to bind IgE, but rather induces Treg and reduces Th2 cells, which was considered an ideal therapy. Results from cellular and animal model studies have been successful. However, in clinical studies, T-cell peptide immunotherapy has failed to show efficacy and caused side effects, because of the high effective rate of placebo and the development of IgE against T-cell epitope peptides. Currently, the modifications of IgE-allergen binding by blocking antibodies are considered for successful allergen immunotherapy. Conclusion: Newly developed hypoallergenic B cell epitope peptides and computational identification methods hold great potential to develop new peptide immunotherapies.
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Affiliation(s)
- Terumi Midoro-Horiuti
- From the Department of Pediatrics, Clinical and Experimental Immunology and Infectious Diseases, University of Texas Medical Branch, Texas, Galveston
- Institute for Human Infections and Immunity, University of Texas Medical Branch, Texas, Galveston, and
| | - Catherine H. Schein
- Institute for Human Infections and Immunity, University of Texas Medical Branch, Texas, Galveston, and
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Texas, Galveston
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4
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Bermick J, Schaller M. Epigenetic regulation of pediatric and neonatal immune responses. Pediatr Res 2022; 91:297-327. [PMID: 34239066 DOI: 10.1038/s41390-021-01630-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 06/01/2021] [Accepted: 06/09/2021] [Indexed: 02/06/2023]
Abstract
Epigenetic regulation of transcription is a collective term that refers to mechanisms known to regulate gene transcription without changing the underlying DNA sequence. These mechanisms include DNA methylation and histone tail modifications which influence chromatin accessibility, and microRNAs that act through post-transcriptional gene silencing. Epigenetics is known to regulate a variety of biological processes, and the role of epigtenetics in immunity and immune-mediated diseases is becoming increasingly recognized. While DNA methylation is the most widely studied, each of these systems play an important role in the development and maintenance of appropriate immune responses. There is clear evidence that epigenetic mechanisms contribute to developmental stage-specific immune responses in a cell-specific manner. There is also mounting evidence that prenatal exposures alter epigenetic profiles and subsequent immune function in exposed offspring. Early life exposures that are associated with poor long-term health outcomes also appear to impact immune specific epigenetic patterning. Finally, each of these epigenetic mechanisms contribute to the pathogenesis of a wide variety of diseases that manifest during childhood. This review will discuss each of these areas in detail. IMPACT: Epigenetics, including DNA methylation, histone tail modifications, and microRNA expression, dictate immune cell phenotypes. Epigenetics influence immune development and subsequent immune health. Prenatal, perinatal, and postnatal exposures alter immune cell epigenetic profiles and subsequent immune function. Numerous pediatric-onset diseases have an epigenetic component. Several successful strategies for childhood diseases target epigenetic mechanisms.
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Affiliation(s)
- Jennifer Bermick
- Department of Pediatrics, Division of Neonatology, University of Iowa, Iowa City, IA, USA. .,Iowa Inflammation Program, University of Iowa, Iowa City, IA, USA.
| | - Matthew Schaller
- Department of Pulmonary, Critical Care & Sleep Medicine, University of Florida, Gainesville, FL, USA
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5
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Zhu Z, Camargo CA, Raita Y, Fujiogi M, Liang L, Rhee EP, Woodruff PG, Hasegawa K. Metabolome subtyping of severe bronchiolitis in infancy and risk of childhood asthma. J Allergy Clin Immunol 2022; 149:102-112. [PMID: 34119532 PMCID: PMC8660920 DOI: 10.1016/j.jaci.2021.05.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 04/29/2021] [Accepted: 05/28/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND Infants with bronchiolitis are at increased risk for developing asthma. Growing evidence suggests bronchiolitis is a heterogeneous condition. OBJECTIVES We sought to identify biologically distinct subgroups based on the metabolome signatures (metabotypes) in infants with severe bronchiolitis and to examine the longitudinal relationships of metabotypes with asthma development. METHODS In a multicenter prospective cohort study of infants (age, <12 months) hospitalized for bronchiolitis, the nasopharyngeal airway metabolome was profiled at hospitalization. Using a clustering approach, this study identified mutually exclusive metabotypes. This study also examined their longitudinal association with the risk of developing asthma by 5 years of age. RESULTS Of 918 infants hospitalized for bronchiolitis (median age, 3 months), this study identified 5 distinct metabotypes-characterized by their nasopharyngeal metabolome profile: A, glycerophosphocholine-high; B, amino acid-high, polyunsaturated fatty acid-low; C, amino acid-high, glycerophospholipid-low; D, glycerophospholipid-high; and E, mixed. Compared with infants with metabotype A (who clinically resembled "classic" bronchiolitis), infants with metabotype B had a significantly higher risk for developing asthma (23% vs 41%; adjusted odds ratio, 2.22; 95% CI, 1.07-4.69). The pathway analysis showed that metabotype B had enriched amino acid (eg, methionine, histidine, glutathione) and α-linolenic/linoleic acid metabolism pathways (false discovery rate, <5 × 10-14 for all). Finally, the transcriptome analysis revealed that infants with metabotype B had upregulated IFN-α and IL-6/JAK/STAT3 pathways and downregulated fatty acid metabolism pathways (false discovery rate, <0.05 for both). CONCLUSIONS In this multicenter prospective cohort study of infants with severe bronchiolitis, the clustering analysis of metabolome data identified biologically distinct metabotypes, including a metabotype characterized by high inflammatory amino acids and low polyunsaturated fatty acids that is at significantly increased risk for developing asthma.
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Affiliation(s)
- Zhaozhong Zhu
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass.
| | - Carlos A Camargo
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
| | - Yoshihiko Raita
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
| | - Michimasa Fujiogi
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
| | - Liming Liang
- Program in Genetic Epidemiology and Statistical Genetics, Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Mass; Department of Biostatistics, Harvard T. H. Chan School of Public Health, Boston, Mass
| | - Eugene P Rhee
- Nephrology Division and Endocrine Unit, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
| | - Prescott G Woodruff
- Division of Pulmonary and Critical Care Medicine, Department of Medicine and Cardiovascular Research Institute, University of California, San Francisco, Calif
| | - Kohei Hasegawa
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
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Agache I, Palmer E, Sanver D, Kirtland M, Shamji MH. Molecular allergology approach to allergic asthma. Mol Aspects Med 2021; 85:101027. [PMID: 34579961 DOI: 10.1016/j.mam.2021.101027] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 07/26/2021] [Accepted: 09/15/2021] [Indexed: 12/25/2022]
Abstract
Allergic asthma is a frequently encountered and well described asthma phenotype. However, its precise mechanisms are less known. The tools for targeted selection of patients for an optimal response to intervention (prevention or treatment) are also lacking. Here we explore the potential of the molecular allergology approach to achieve a better understanding of allergic asthma mechanisms, a precise diagnosis and an optimal management of these patients.
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Affiliation(s)
- Ioana Agache
- Faculty of Medicine, Transylvania University, Brasov, Romania.
| | - Elizabeth Palmer
- Imperial College, Faculty of Medicine, National Heart & Lung Institute, London, UK
| | - Didem Sanver
- Imperial College, Faculty of Medicine, National Heart & Lung Institute, London, UK; Necmettin Erbakan University, Engineering & Architecture Faculty, Department of Food Engineering, Konya, Turkey
| | - Max Kirtland
- Imperial College, Faculty of Medicine, National Heart & Lung Institute, London, UK
| | - Mohamed H Shamji
- Imperial College, Faculty of Medicine, National Heart & Lung Institute, London, UK
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7
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Alashkar Alhamwe B, Alhamdan F, Ruhl A, Potaczek DP, Renz H. The role of epigenetics in allergy and asthma development. Curr Opin Allergy Clin Immunol 2021; 20:48-55. [PMID: 31633569 DOI: 10.1097/aci.0000000000000598] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW Epigenetic mechanisms are known to play a crucial role in the pathogenesis of asthma, allergic rhinitis, atopic dermatitis, food allergy, and other allergic disorders, especially through mediating the effects of the environmental factors, well recognized allergy-risk modifiers. The aim of this work was to provide a concise but comprehensive review of the recent progress in the epigenetics of allergic diseases. RECENT FINDINGS Recent few years have substantially expanded our knowledge on the role of epigenetics in the pathogenesis and clinical picture of allergies. Specifically, it has been shown that epigenetic marks, especially DNA methylation, possess a diagnostic potential for atopic sensitization, asthma, allergic rhinitis, and food allergy. DNA methylation can be a predictor of clinical responses in controlled allergen challenges, including oral food challenges. Furthermore, direct or indirect targeting epigenetic mechanisms, this time especially histone modifications, was able to favorably affect expression of the genes underlying allergies and generally improve airway biology in allergic diseases or their animal models. SUMMARY Further studies are needed to explore the diagnostic and therapeutic potential of epigenetic modifications in allergies and to develop respective clinical tools.
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Affiliation(s)
- Bilal Alashkar Alhamwe
- Institute of Laboratory Medicine, Member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany.,International Inflammation (in-VIVO) Network, Worldwide Universities Network (WUN), West New York, New Jersey, USA.,College of Pharmacy, International University for Science and Technology (IUST), Daraa, Syria
| | - Fahd Alhamdan
- Institute of Laboratory Medicine, Member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany
| | - Andreas Ruhl
- Institute of Laboratory Medicine, Member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany
| | - Daniel P Potaczek
- Institute of Laboratory Medicine, Member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany.,International Inflammation (in-VIVO) Network, Worldwide Universities Network (WUN), West New York, New Jersey, USA.,John Paul II Hospital, Krakow, Poland
| | - Harald Renz
- Institute of Laboratory Medicine, Member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany.,International Inflammation (in-VIVO) Network, Worldwide Universities Network (WUN), West New York, New Jersey, USA
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8
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Sheikhpour M, Maleki M, Ebrahimi Vargoorani M, Amiri V. A review of epigenetic changes in asthma: methylation and acetylation. Clin Epigenetics 2021; 13:65. [PMID: 33781317 PMCID: PMC8008616 DOI: 10.1186/s13148-021-01049-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 03/04/2021] [Indexed: 12/30/2022] Open
Abstract
Several studies show that childhood and adulthood asthma and its symptoms can be modulated through epigenetic modifications. Epigenetic changes are inheritable modifications that can modify the gene expression without changing the DNA sequence. The most common epigenetic alternations consist of DNA methylation and histone modifications. How these changes lead to asthmatic phenotype or promote the asthma features, in particular by immune pathways regulation, is an understudied topic. Since external effects, like exposure to tobacco smoke, air pollution, and drugs, influence both asthma development and the epigenome, elucidating the role of epigenetic changes in asthma is of great importance. This review presents available evidence on the epigenetic process that drives asthma genes and pathways, with a particular focus on DNA methylation, histone methylation, and acetylation. We gathered and assessed studies conducted in this field over the past two decades. Our study examined asthma in different aspects and also shed light on the limitations and the important factors involved in the outcomes of the studies. To date, most of the studies in this area have been carried out on DNA methylation. Therefore, the need for diagnostic and therapeutic applications through this molecular process calls for more research on the histone modifications in this disease.
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Affiliation(s)
- Mojgan Sheikhpour
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran.
- Microbiology Research Center, Pasteur Institute of Iran, Tehran, Iran.
| | - Mobina Maleki
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
| | - Maryam Ebrahimi Vargoorani
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
- Department of Microbiology, College of Basic Sciences, Tehran North Branch, Islamic Azad University, Tehran, Iran
| | - Vahid Amiri
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
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León B, Ballesteros-Tato A. Modulating Th2 Cell Immunity for the Treatment of Asthma. Front Immunol 2021; 12:637948. [PMID: 33643321 PMCID: PMC7902894 DOI: 10.3389/fimmu.2021.637948] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 01/21/2021] [Indexed: 12/14/2022] Open
Abstract
It is estimated that more than 339 million people worldwide suffer from asthma. The leading cause of asthma development is the breakdown of immune tolerance to inhaled allergens, prompting the immune system's aberrant activation. During the early phase, also known as the sensitization phase, allergen-specific T cells are activated and become central players in orchestrating the subsequent development of allergic asthma following secondary exposure to the same allergens. It is well-established that allergen-specific T helper 2 (Th2) cells play central roles in developing allergic asthma. As such, 80% of children and 60% of adult asthma cases are linked to an unwarranted Th2 cell response against respiratory allergens. Thus, targeting essential components of Th2-type inflammation using neutralizing antibodies against key Th2 modulators has recently become an attractive option for asthmatic patients with moderate to severe symptoms. In addition to directly targeting Th2 mediators, allergen immunotherapy, also known as desensitization, is focused on redirecting the allergen-specific T cells response from a Th2-type profile to a tolerogenic one. This review highlights the current understanding of the heterogeneity of the Th2 cell compartment, their contribution to allergen-induced airway inflammation, and the therapies targeting the Th2 cell pathway in asthma. Further, we discuss available new leads for successful targeting pulmonary Th2 cell responses for future therapeutics.
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Affiliation(s)
- Beatriz León
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Andre Ballesteros-Tato
- Division of Clinical Immunology and Rheumatology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
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Wang CM, Chang CB, Lee SP, W-Y Chan M, Wu SF. Differential DNA methylation profiles of peripheral blood mononuclear cells in allergic asthmatic children following dust mite immunotherapy. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2020; 53:986-995. [PMID: 32684341 DOI: 10.1016/j.jmii.2020.06.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 05/28/2020] [Accepted: 06/11/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND/PURPOSE Allergen-specific immunotherapy (SIT) is now considered curative to allergic diseases such as asthma. Mechanistically, our previous work showed DNA hypermethylation of cytokine genes, in T-helper cells, in allergic asthmatic children treated with allergen-SIT. In this study, we extended to work to assess possible changes in the DNA methylomes of peripheral blood mononuclear cells (PBMCs), isolated from mite allergen-SIT asthmatic children, to explore further the underlying methylation changes. METHODS Thirteen allergic asthmatic children who received Der p-SIT, 12 non-SIT allergic asthmatic controls, and 12 healthy controls were enrolled. Bisulfite-converted DNA from Der p-stimulated PBMCs was analyzed using Human Methylation 450 k BeadChip. Pyrosequencing and quantitative real-time PCR were used to validate the DNA methylation levels and the gene expression of individual samples. RESULTS We identified 108 significantly differentially methylated regions (DMRs) unique to Der p-treated PBMCs, with 53 probes linked to demethylated DMRs, and 55 probes linked to methylated DMRs. Three associated genes (BCL6, HSPG2, and HSP90AA1), of selected DMRs, were subjected to bisulfite pyrosequencing. Of these, BCL6 showed significant hypomethylation, while HSPG2 and HSP90AA1 were hypermethylated in SIT group, compared to the AA group. Furthermore, SIT group had significantly higher gene expression of BCL6 and lower gene expression of HSPG2. KEGG pathway analysis further revealed DMR genes involved in ECM-receptor interactions, asthma, and antigen processing and presentation pathways. CONCLUSIONS Several DNA regions showed DNA methylation altered by Der p specific immunotherapy, indicating desensitization-associated methylomes. Genes belonging to these SIT-altered pathways may represent therapeutic targets for better clinical management of asthma.
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Affiliation(s)
- Chuang-Ming Wang
- Department of Pediatrics, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi, Taiwan; Min-Hwei Junior College of Health Care Management, Tainan, Taiwan
| | - Chia-Bin Chang
- Department of Biomedical Sciences and Institute of Molecular Biology, National Chung Cheng University, Chia-Yi, Taiwan
| | - Shiao-Pieng Lee
- Division of Oral and Maxillofacial Surgery, Department of Dentistry, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan
| | - Michael W-Y Chan
- Department of Biomedical Sciences and Institute of Molecular Biology, National Chung Cheng University, Chia-Yi, Taiwan
| | - Shu-Fen Wu
- Center for Innovative Research on Aging Society, National Chung Cheng University, Chia-Yi, Taiwan.
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11
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Differential DNA methylation in allergen-specific immunotherapy of asthma. Cell Mol Immunol 2020; 17:1017-1018. [PMID: 32523111 PMCID: PMC7608341 DOI: 10.1038/s41423-020-0476-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 05/14/2020] [Accepted: 05/15/2020] [Indexed: 11/15/2022] Open
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12
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Kabesch M, Tost J. Recent findings in the genetics and epigenetics of asthma and allergy. Semin Immunopathol 2020; 42:43-60. [PMID: 32060620 PMCID: PMC7066293 DOI: 10.1007/s00281-019-00777-w] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Accepted: 12/22/2019] [Indexed: 12/16/2022]
Abstract
In asthma and allergy genetics, a trend towards a few main topics developed over the last 2 years. First, a number of studies have been published recently which focus on overlapping and/or very specific phenotypes: within the allergy spectrum but also reaching beyond, looking for common genetic traits shared between different diseases or disease entities. Secondly, an urgently needed focus has been put on asthma and allergy genetics in populations genetically different from European ancestry. This acknowledges that the majority of new asthma patients today are not white and asthma is a truly worldwide disease. In epigenetics, recent years have seen several large-scale epigenome-wide association studies (EWAS) being published and a further focus was on the interaction between the environment and epigenetic signatures. And finally, the major trends in current asthma and allergy genetics and epigenetics comes from the field of pharmacogenetics, where it is necessary to understand the susceptibility for and mechanisms of current asthma and allergy therapies while at the same time, we need to have scientific answers to the recent availability of novel drugs that hold the promise for a more individualized therapy.
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Affiliation(s)
- Michael Kabesch
- Department of Pediatric Pneumology and Allergy, St. Hedwig's Hospital of the order of St. John, University Children's Hospital Regensburg (KUNO), Steinmetzstr. 1-3, 93049, Regensburg, Germany.
| | - Jörg Tost
- Laboratory for Epigenetics and Environment, Centre National de Recherche en Génomique Humaine, CEA - Institut de Biologie François Jacob, 2 rue Gaston Crémieux, 91000, Evry, France
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13
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Down-regulation of Tet2 is associated with Foxp3 TSDR hypermethylation in regulatory T cell of allergic rhinitis. Life Sci 2020; 241:117101. [DOI: 10.1016/j.lfs.2019.117101] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 11/13/2019] [Accepted: 11/22/2019] [Indexed: 12/11/2022]
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14
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Feng M, Zeng X, Li J. House dust mite subcutaneous immunotherapy in Chinese patients with allergic asthma and rhinitis. J Thorac Dis 2019; 11:3616-3625. [PMID: 31559069 DOI: 10.21037/jtd.2019.06.35] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The efficacy of allergen immunotherapy (AIT) has been reported with different allergens including house dust mites (HDM). HDM are the most prevalent allergens in patients with asthma and/or rhinitis in China. In addition to improving symptoms, reducing medication need, and improving quality of life, AIT can change the course of allergic disease and induce allergen-specific immune tolerance. To date, the use of AIT is becoming more acceptable in China, and there are many studies about the current clinical practice immunotherapy. In this paper we discuss the main aspects of AIT undertaken in China; including symptom and medication scores, pulmonary function and airway hyperresponsiveness, specific allergen sensitivity, safety evaluation, and mechanisms underlying AIT. This review will provide some important information on AIT treatment strategies to doctors, healthcare professionals and organizations involved in the AIT in China. According to the studies in China, successful AIT may induce antibody responses and cellular reactions in relation to the significant improvement in clinical symptoms, reducing the need for medications and maintenance of stable pulmonary functions.
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Affiliation(s)
- Mulin Feng
- Department of Allergy and Clinical Immunology, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510000, China
| | - Xiaohui Zeng
- Department of Allergy and Clinical Immunology, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510000, China
| | - Jing Li
- Department of Allergy and Clinical Immunology, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510000, China
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15
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Abstract
PURPOSE OF REVIEW Epigenetic marks are emerging as mediators of genetics and the environment on complex disease phenotypes, including childhood asthma and allergy. RECENT FINDINGS Epigenome-wide association studies over the past year have added to the growing body of evidence supporting significant associations of epigenetic regulation of gene expression and asthma and allergy. Studies in children have identified signatures of eosinophils in peripheral blood, Th2 cell transcription factors and cytokines in peripheral blood mononuclear cells, and epithelial dysfunction in the respiratory epithelium. Importantly, studies at birth have begun to decipher the contribution of epigenetic marks to asthma inception. Few studies have also begun to address the contribution of genetics and the environment to these associations. SUMMARY Next generation of epigenome-wide association studies that will deal with confounders, study the influence of the genetics and environment, and incorporate multiple datasets to provide better interpretation of the findings are on the horizon. Identification of key epigenetic marks that are shaped by genetics and the environment, and impact transcription of specific genes will help us have a better understanding of etiology, heterogeneity and severity of asthma, and will also empower us to develop biologically driven therapeutics and biomarkers for secondary prevention of this disease.
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16
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Langie SAS, Moisse M, Szarc Vel Szic K, Van Der Plas E, Koppen G, De Prins S, Louwies T, Nelen V, Van Camp G, Lambrechts D, Schoeters G, Vanden Berghe W, De Boever P. GLI2 promoter hypermethylation in saliva of children with a respiratory allergy. Clin Epigenetics 2018; 10:50. [PMID: 29682088 PMCID: PMC5896137 DOI: 10.1186/s13148-018-0484-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 03/27/2018] [Indexed: 12/13/2022] Open
Abstract
Background The prevalence of respiratory allergy in children is increasing. Epigenetic DNA methylation changes are plausible underlying molecular mechanisms. Results Saliva samples collected in substudies of two longitudinal birth cohorts in Belgium (FLEHS1 & FLEHS2) were used to discover and confirm DNA methylation signatures that can differentiate individuals with respiratory allergy from healthy subjects. Genome-wide analysis with Illumina Methylation 450K BeadChips revealed 23 differentially methylated gene regions (DMRs) in saliva from 11y old allergic children (N=26) vs. controls (N=20) in FLEHS1. A subset of 7 DMRs was selected for confirmation by iPLEX MassArray analysis. First, iPLEX analysis was performed in the same 46 FLEHS1 samples for analytical confirmation of the findings obtained during the discovery phase. iPLEX results correlated significantly with the 450K array data (P <0.0001) and confirmed 4 out of the 7 DMRs. Aiming for additional biological confirmation, the 7 DMRs were analyzed using iPLEX in a substudy of an independent birth cohort (FLEHS2; N=19 cases vs. 20 controls, aged 5 years). One DMR in the GLI2 promoter region showed a consistent statistically significant hypermethylation in individuals with respiratory allergy across the two birth cohorts and technologies. In addition to its involvement in TGF-β signaling and T-helper differentiation, GLI2 has a regulating role in lung development. Conclusion GLI2 is considered an interesting candidate DNA methylation marker for respiratory allergy. Electronic supplementary material The online version of this article (10.1186/s13148-018-0484-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Sabine A S Langie
- 1VITO- Sustainable Health, Boeretang 200, 2400 Mol, Belgium.,2Centre for Environmental Sciences, Hasselt University, Diepenbeek, Belgium
| | - Matthieu Moisse
- 3Laboratory for Translational Genetics, Center for Cancer Biology, VIB and KU Leuven, Campus Gasthuisberg, Leuven, Belgium
| | - Katarzyna Szarc Vel Szic
- 1VITO- Sustainable Health, Boeretang 200, 2400 Mol, Belgium.,4Proteinchemistry, Proteomics & Epigenetic Signaling (PPES), Department of Biomedical Sciences, University of Antwerp, Wilrijk, Belgium
| | - Ellen Van Der Plas
- 1VITO- Sustainable Health, Boeretang 200, 2400 Mol, Belgium.,7Department of Biomedical Sciences, University of Antwerp, Wilrijk, Belgium
| | - Gudrun Koppen
- 1VITO- Sustainable Health, Boeretang 200, 2400 Mol, Belgium
| | - Sofie De Prins
- 1VITO- Sustainable Health, Boeretang 200, 2400 Mol, Belgium
| | - Tijs Louwies
- 1VITO- Sustainable Health, Boeretang 200, 2400 Mol, Belgium
| | - Vera Nelen
- Environment and Health unit, Provincial Institute of Hygiene, Antwerp, Belgium
| | - Guy Van Camp
- 6Center for Medical Genetics, University of Antwerp and Antwerp University hospital, Antwerp, Belgium
| | - Diether Lambrechts
- 3Laboratory for Translational Genetics, Center for Cancer Biology, VIB and KU Leuven, Campus Gasthuisberg, Leuven, Belgium
| | - Greet Schoeters
- 1VITO- Sustainable Health, Boeretang 200, 2400 Mol, Belgium.,7Department of Biomedical Sciences, University of Antwerp, Wilrijk, Belgium.,8Department of Environmental Medicine, Institute of Public Health, University of Southern Denmark, Odense, Denmark
| | - Wim Vanden Berghe
- 4Proteinchemistry, Proteomics & Epigenetic Signaling (PPES), Department of Biomedical Sciences, University of Antwerp, Wilrijk, Belgium
| | - Patrick De Boever
- 1VITO- Sustainable Health, Boeretang 200, 2400 Mol, Belgium.,2Centre for Environmental Sciences, Hasselt University, Diepenbeek, Belgium
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17
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Chirumbolo S, Bjørklund G, Sboarina A, Vella A. The role of basophils as innate immune regulatory cells in allergy and immunotherapy. Hum Vaccin Immunother 2018; 14:815-831. [PMID: 29257936 DOI: 10.1080/21645515.2017.1417711] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Basophils are circulating cells that are associated quite exclusively with allergy response and hypersensitivity reactions but their role in the immune network might be much more intriguing and complex than previously expected. The feasibility of testing their biology in vitro for allergy research and diagnosis, due fundamentally to their quite easy availability in the peripheral blood, made them the major source for assessing allergy in the laboratory assay, when yet many further cells such as mast cells and eosinophils are much more involved as effector cells in allergy than circulating basophils. Interestingly, basophil numbers change rarely in peripheral blood during an atopic response, while we might yet observe an increase in eosinophils and modification in the biology of mast cells in the tissue during an hypersensitivity response. Furthermore, the fact that basophils are very scanty in numbers suggests that they should mainly serve as regulatory cells in immunity, rather than effector leukocytes, as still believed by the majority of physicians. In this review we will try to describe and elucidate the possible role of these cells, known as "innate IL4-producing cells" in the immune regulation of allergy and their function in allergen immunotherapy.
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Affiliation(s)
- Salvatore Chirumbolo
- a Department of Neurological and Movement Sciences , University of Verona , Verona , Italy
| | - Geir Bjørklund
- b Council for Nutritional and Environmental Medicine (CONEM) , Mo i Rana , Norway
| | - Andrea Sboarina
- c Department of Surgery , Dentistry, Paediatrics and Gynaecology-University of Verona , Verona , Italy
| | - Antonio Vella
- d Unit of Immunology-Azienda Ospedaliera Universitaria Integrata (AOUI) , Verona , Italy
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18
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Ten Brinke A, Marek-Trzonkowska N, Mansilla MJ, Turksma AW, Piekarska K, Iwaszkiewicz-Grześ D, Passerini L, Locafaro G, Puñet-Ortiz J, van Ham SM, Hernandez-Fuentes MP, Martínez-Cáceres EM, Gregori S. Monitoring T-Cell Responses in Translational Studies: Optimization of Dye-Based Proliferation Assay for Evaluation of Antigen-Specific Responses. Front Immunol 2017; 8:1870. [PMID: 29312346 PMCID: PMC5742609 DOI: 10.3389/fimmu.2017.01870] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 12/08/2017] [Indexed: 01/05/2023] Open
Abstract
Adoptive therapy with regulatory T cells or tolerance-inducing antigen (Ag)-presenting cells is innovative and promising therapeutic approach to control undesired and harmful activation of the immune system, as observed in autoimmune diseases, solid organ and bone marrow transplantation. One of the critical issues to elucidate the mechanisms responsible for success or failure of these therapies and define the specificity of the therapy is the evaluation of the Ag-specific T-cell responses. Several efforts have been made to develop suitable and reproducible assays. Here, we focus on dye-based proliferation assays. We highlight with practical examples the fundamental issues to take into consideration for implementation of an effective and sensitive dye-based proliferation assay to monitor Ag-specific responses in patients. The most critical points were used to design a road map to set up and analyze the optimal assay to assess Ag-specific T-cell responses in patients undergoing different treatments. This is the first step to optimize monitoring of tolerance induction, allowing comparison of outcomes of different clinical studies. The road map can also be applied to other therapeutic interventions, not limited to tolerance induction therapies, in which Ag-specific T-cell responses are relevant such as vaccination approaches and cancer immunotherapy.
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Affiliation(s)
- Anja Ten Brinke
- Department of Immunopathology, Sanquin Research, Amsterdam, Netherlands
- Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - Natalia Marek-Trzonkowska
- Laboratory of Immunoregulation and Cellular Therapies, Department of Family Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | - Maria J. Mansilla
- Immunology Division, Department of Cellular Biology, Germans Trias i Pujol University Hospital and Research Institute, Physiology, and Immunology, Universitat Autònoma Barcelona, Barcelona, Spain
| | - Annelies W. Turksma
- Department of Immunopathology, Sanquin Research, Amsterdam, Netherlands
- Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - Karolina Piekarska
- Laboratory of Immunoregulation and Cellular Therapies, Department of Family Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | | | - Laura Passerini
- San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), Division of Regenerative Medicine, Stem Cells and Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Grazia Locafaro
- San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), Division of Regenerative Medicine, Stem Cells and Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Joan Puñet-Ortiz
- Immunology Division, Department of Cellular Biology, Germans Trias i Pujol University Hospital and Research Institute, Physiology, and Immunology, Universitat Autònoma Barcelona, Barcelona, Spain
| | - S. Marieke van Ham
- Department of Immunopathology, Sanquin Research, Amsterdam, Netherlands
- Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | | | - Eva M. Martínez-Cáceres
- Immunology Division, Department of Cellular Biology, Germans Trias i Pujol University Hospital and Research Institute, Physiology, and Immunology, Universitat Autònoma Barcelona, Barcelona, Spain
| | - Silvia Gregori
- San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), Division of Regenerative Medicine, Stem Cells and Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy
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