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Furiness KN, El Ansari YS, Oettgen HC, Kanagaratham C. Allergen-specific IgA and IgG antibodies as inhibitors of mast cell function in food allergy. FRONTIERS IN ALLERGY 2024; 5:1389669. [PMID: 38919913 PMCID: PMC11196826 DOI: 10.3389/falgy.2024.1389669] [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: 02/21/2024] [Accepted: 05/21/2024] [Indexed: 06/27/2024] Open
Abstract
Food allergy, a group of adverse immune responses to normally innocuous food protein antigens, is an increasingly prevalent public health issue. The most common form is IgE-mediated food allergy in which food antigen-induced crosslinking of the high-affinity IgE-receptor, FcεRI, on the surface of mast cells triggers the release of inflammatory mediators that contribute to a wide range of clinical manifestations, including systemic anaphylaxis. Mast cells also play a critical function in adaptive immunity to foods, acting as adjuvants for food-antigen driven Th2 cell responses. While the diagnosis and treatment of food allergy has improved in recent years, no curative treatments are currently available. However, there is emerging evidence to suggest that both allergen-specific IgA and IgG antibodies can counter the activating effects of IgE antibodies on mast cells. Most notably, both antigen-specific IgA and IgG antibodies are induced in the course of oral immunotherapy. In this review, we highlight the role of mast cells in food allergy, both as inducers of immediate hypersensitivity reactions and as adjuvants for type 2 adaptive immune responses. Furthermore, we summarize current understanding of the immunomodulatory effects of antigen-specific IgA and IgG antibodies on IgE-induced mast cell activation and effector function. A more comprehensive understanding of the regulatory role of IgA and IgG in food allergy may provide insights into physiologic regulation of immune responses to ingested antigens and could seed novel strategies to treat allergic disease.
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Affiliation(s)
- Kameryn N. Furiness
- Division of Immunology, Department of Pediatrics, Boston Children’s Hospital, Boston, MA, United States
| | - Yasmeen S. El Ansari
- Division of Immunology, Department of Pediatrics, Boston Children’s Hospital, Boston, MA, United States
- Institute of Laboratory Medicine, Philipps University Marburg, Marburg, Germany
| | - Hans C. Oettgen
- Division of Immunology, Department of Pediatrics, Boston Children’s Hospital, Boston, MA, United States
- Department of Pediatrics, Harvard Medical School, Boston, MA, United States
| | - Cynthia Kanagaratham
- Division of Immunology, Department of Pediatrics, Boston Children’s Hospital, Boston, MA, United States
- Department of Pediatrics, Harvard Medical School, Boston, MA, United States
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2
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Vosughimotlagh A, Rasouli SE, Rafiemanesh H, Safarirad M, Sharifinejad N, Madanipour A, Dos Santos Vilela MM, Heropolitańska-Pliszka E, Azizi G. Clinical manifestation for immunoglobulin A deficiency: a systematic review and meta-analysis. ALLERGY, ASTHMA, AND CLINICAL IMMUNOLOGY : OFFICIAL JOURNAL OF THE CANADIAN SOCIETY OF ALLERGY AND CLINICAL IMMUNOLOGY 2023; 19:75. [PMID: 37641141 PMCID: PMC10463351 DOI: 10.1186/s13223-023-00826-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 07/17/2023] [Indexed: 08/31/2023]
Abstract
OBJECTIVES Immunoglobulin A deficiency (IgAD) is a common disease with an unknown genetic defect, characterized by the decreased or absent IgA with other isotypes normal, normal subclasses, and specific antibodies. Patients with this disorder represent a spectrum of clinical manifestations including infections, autoimmune disorders, malignancy, and allergic diseases. The current study aimed to evaluate their prevalence and categorized them. METHODS We searched PubMed, Web of Science, and Scopus databases to find eligible studies from the earliest available date to January 2022 with standard keywords. Pooled estimates of clinical manifestations prevalence and the corresponding 95% confidence intervals were calculated using random-effects models. RESULTS The most prevalent clinical manifestations belonged to infection (64.8%) followed by allergic diseases (26.16%) and autoimmunity (22.0%), respectively. In selective IgA deficiency patients as the largest group of IgAD in current study, celiac disease (6.57%), Inflammatory bowel disease (4.01%), and rheumatoid arthritis (3.80%) were the most prevalent autoimmunity. Meanwhile, the most frequent infection was respiratory tract infection, fungal infection, and gastrointestinal infection at 50.74%, 18.48%, and 15.79%, respectively. In addition, the pooled prevalence of asthma, allergic rhinitis, and allergic conjunctivitis were 19.06%, 15.46%, and 11.68%, respectively which were reported as the most widespread allergic diseases. CONCLUSIONS Our results showed that apart from undiagnosed IgAD patients, IgAD patients represent a wide range of clinical manifestations. Infection, allergy, and autoimmunity are the most common clinical manifestations. The concurrent presence of IgA and IgG subtypes deficiency could be associated with increased susceptibility to infection. Considering the probability of developing new clinical complications during follow-up, periodic assessments of IgAD patients should be inspected.
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Affiliation(s)
- Ahmad Vosughimotlagh
- Department of Pediatrics, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Seyed Erfan Rasouli
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran.
| | - Hosein Rafiemanesh
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Molood Safarirad
- Department of Pediatrics, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Niusha Sharifinejad
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Atossa Madanipour
- Student Research Committee, Alborz University of Medical Sciences, Karaj, Iran
| | - Maria Marluce Dos Santos Vilela
- Center for Investigation in Pediatrics, Pediatrics Department, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, SP, Brazil
| | | | - Gholamreza Azizi
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran.
- Department of Neurology, Thomas Jefferson University, Philadelphia, PA, USA.
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Wang X, Zhang J, Wu Y, Xu Y, Zheng J. SIgA in various pulmonary diseases. Eur J Med Res 2023; 28:299. [PMID: 37635240 PMCID: PMC10464380 DOI: 10.1186/s40001-023-01282-5] [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] [Received: 12/03/2022] [Accepted: 08/12/2023] [Indexed: 08/29/2023] Open
Abstract
Secretory immunoglobulin A (SIgA) is one of the most abundant immunoglobulin subtypes among mucosa, which plays an indispensable role in the first-line protection against invading pathogens and antigens. Therefore, the role of respiratory SIgA in respiratory mucosal immune diseases has attracted more and more attention. Although the role of SIgA in intestinal mucosal immunity has been widely studied, the cell types responsible for SIgA and the interactions between cells are still unclear. Here, we conducted a wide search of relevant studies and sorted out the relationship between SIgA and some pulmonary diseases (COPD, asthma, tuberculosis, idiopathic pulmonary fibrosis, COVID-19, lung cancer), which found SIgA is involved in the pathogenesis and progression of various lung diseases, intending to provide new ideas for the prevention, diagnosis, and treatment of related lung diseases.
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Affiliation(s)
- Xintian Wang
- Department of Respiratory Medicine, Affiliated Hospital of Jiangsu University, No. 438, Jiefang Road, Jingkou District, Zhenjiang, Jiangsu China
| | - Jun Zhang
- Department of Respiratory and Critical Care Medicine, Aoyang Hospital Affiliated to Jiangsu University, No. 279, Jingang Avenue, Zhangjiagang, Suzhou, Jiangsu China
| | - Yan Wu
- Department of Respiratory Medicine, Affiliated Hospital of Jiangsu University, No. 438, Jiefang Road, Jingkou District, Zhenjiang, Jiangsu China
| | - Yuncong Xu
- Department of Respiratory Medicine, Affiliated Hospital of Jiangsu University, No. 438, Jiefang Road, Jingkou District, Zhenjiang, Jiangsu China
| | - Jinxu Zheng
- Department of Respiratory Medicine, Affiliated Hospital of Jiangsu University, No. 438, Jiefang Road, Jingkou District, Zhenjiang, Jiangsu China
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Dong Z, Zhang B, Rong J, Yang X, Wang Y, Zhang Q, Su Z. The aberrant expression of CD45 isoforms and levels of sex hormones in systemic lupus erythematosus. Clin Rheumatol 2022; 41:1087-1093. [PMID: 35064423 DOI: 10.1007/s10067-021-05934-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 08/30/2021] [Accepted: 09/21/2021] [Indexed: 02/05/2023]
Abstract
INTRODUCTION Systemic lupus erythematosus (SLE) is a common autoimmune disease with significant gender bias in women, and sex hormones are considered to play an important role in the regulation of immune activity. The CD45 isoforms generated through alternative splicing of mRNA identify different functional status of lymphocytes and also are suggested as a biomarker for assessing the progression of SLE, while the modulation of CD45 expression in SLE patients is not clear. METHODS In this study, the peripheral blood sera of 46 SLE patients and 15 health individuals were collected for detecting the levels of sex hormones and immune associated factors. The expression of CD45 isoforms and the status of CD45 DNA methylation of the peripheral mononuclear blood cells were detected by flow cytometry and bisulfite sequencing PCR, respectively. RESULTS The levels of complement C3 and IgA decreased, especially decline of the serum IgA to the level of selective immunoglobulin A deficiency, and the C-reactive protein increased in SLE patients when compared with healthy controls, which manifested the abnormal immune activity of the SLE patients. Sex hormones detection showed a decreased testosterone and increased prolactin in SLE. An accelerated expression of CD45RO, reduced CD45RA and CD45RB, and a relative hypermethylation of CD45 DNA in SLE were also identified that provided a clue to explain the possible regulatory mechanism for the immune function in SLE. CONCLUSION The results indicated that the aberrant CD45 isoforms, DNA methylation and hormone levels might be correlated with the imbalanced immune activity of SLE patients. Key Points • Selective immunoglobulin A deficiency was significantly higher in SLE than in healthy individuals. • SLE patients had decreased testosterone and increased prolactin in the sera. • An aberrant expression of CD45 isoforms and CD45 DNA methylation were identified in SLE.
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Affiliation(s)
- Zhaoxia Dong
- Department of Histology and Embryology, Shantou University Medical College, Shantou, 515041, Guangdong Province, China
| | - Bin Zhang
- Department of Histology and Embryology, Shantou University Medical College, Shantou, 515041, Guangdong Province, China
| | - Ju Rong
- Department of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, 57 Changping Road, Shantou, 515041, Guangdong Province, China
| | - Xinran Yang
- Department of Clinical Laboratory, The First Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong Province, China
| | - Yongni Wang
- Department of Clinical Laboratory, The First Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong Province, China
| | - Qiaoxin Zhang
- Department of Clinical Laboratory, The First Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong Province, China
| | - Zhongjing Su
- Department of Histology and Embryology, Shantou University Medical College, Shantou, 515041, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, 22 Xinling Road, Shantou, 515041, Guangdong Province, China
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Cinicola BL, Pulvirenti F, Capponi M, Bonetti M, Brindisi G, Gori A, De Castro G, Anania C, Duse M, Zicari AM. Selective IgA Deficiency and Allergy: A Fresh Look to an Old Story. Medicina (B Aires) 2022; 58:medicina58010129. [PMID: 35056437 PMCID: PMC8781177 DOI: 10.3390/medicina58010129] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/07/2022] [Accepted: 01/10/2022] [Indexed: 01/23/2023] Open
Abstract
Selective IgA deficiency (SIgAD) is the most common human primary immune deficiency (PID). It is classified as a humoral PID characterized by isolated deficiency of IgA (less than 7 mg/dL but normal serum IgG and IgM) in subjects greater than 4 years of age. Intrinsic defects in the maturation of B cells and a perturbation of Th cells and/or cytokine signals have been hypothesized to contribute to SIgAD pathogenesis. The genetic basis of IgA deficiency remains to be clarified. Patients with SIgAD can be either asymptomatic or symptomatic with clinical manifestations including allergy, autoimmunity and recurrent infections mainly of the respiratory and gastrointestinal tract. Studies analyzing allergy on SIgAD patients showed prevalence up to 84%, supporting in most cases the relationship between sIgAD and allergic disease. However, the prevalence of allergic disorders may be influenced by various factors. Thus, the question of whether allergy is more common in SIgAD patients compared to healthy subjects remains to be defined. Different hypotheses support an increased susceptibility to allergy in subjects with SIgAD. Recurrent infections due to loss of secretory IgA might have a role in the pathogenesis of allergy, and vice versa. Perturbation of microbiota also plays a role. The aim of this review is to examine the association between SIgAD and atopic disease and to update readers on advances over time at this important interface between allergy and SIgAD.
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Affiliation(s)
- Bianca Laura Cinicola
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
- Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy
- Correspondence:
| | - Federica Pulvirenti
- Primary Immune Deficiencies Unit, Department of Internal Medicine and Infectious Diseases, Azienda Ospedaliera Universitaria Policlinico Umberto I, 00185 Rome, Italy;
| | - Martina Capponi
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
| | - Marta Bonetti
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
| | - Giulia Brindisi
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
- Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy
| | - Alessandra Gori
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
| | - Giovanna De Castro
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
| | - Caterina Anania
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
| | - Marzia Duse
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
| | - Anna Maria Zicari
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
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Abo Ali FH, Mahmoud NE, El-Sayed AYM, Abdelmaksoud MF, Shata AK, Fouad SH. Selective IgA Deficiency a Probable Risk of Recurrent Chest Infections in Asthmatics. J Asthma Allergy 2021; 14:1323-1333. [PMID: 34754199 PMCID: PMC8572095 DOI: 10.2147/jaa.s329531] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 10/15/2021] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Selective immunoglobulin A (IgA) deficiency is characterized by a high incidence of both recurrent infections and atopic diseases. Asthma is one of the most common lung diseases affecting around 300 million people worldwide and is associated with risk of serious pneumococcal disease and microbial infections. Multiple studies have attributed this to impaired innate and adaptive immunity in asthmatics. An additional probable hypothesis is the existence of an underlying primary immunodeficiency (PID), such as selective IgA deficiency (sIgAD). AIM To assess the prevalence of selective IgA deficiency and its correlation to recurrent infections in asthmatic patients. METHODS A case-control study was conducted on 80 subjects who were divided into 3 groups: 20 Asthmatic patients with recurrent chest infections (Group A), 20 asthmatic patients without recurrent chest infections (Group B) and 40 healthy controls (Group C). RESULTS On comparing the 3 studied groups, there was a statistically significant difference between the three groups (p = ˂0.001) concerning serum IgA. The mean serum IgA was statistically significantly lower in Group A&B than in Group C. Furthermore, it was significantly lower in Group A than in Group B and C (p1,2 <0.002 and <0.001*, respectively). The percentage of selective IgA deficiency or partial IgA deficiency in asthmatic patients was 56% (26 patients). Group A showed a statistically significant higher percentage of selective/partial IgA deficiency.
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Affiliation(s)
- Fawzia Hassan Abo Ali
- Department of Internal Medicine/Allergy and Clinical Immunology, Ain-Shams University, Cairo, Egypt
| | - Nehal Elfawy Mahmoud
- Department of Internal Medicine/Allergy and Clinical Immunology, Ain-Shams University, Cairo, Egypt
| | | | | | - Alaa K Shata
- Department of Pulmonology, Ain Shams University, Cairo, Egypt
| | - Shaimaa Hani Fouad
- Department of Internal Medicine/Allergy and Clinical Immunology, Ain-Shams University, Cairo, Egypt
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Morawska I, Kurkowska S, Bębnowska D, Hrynkiewicz R, Becht R, Michalski A, Piwowarska-Bilska H, Birkenfeld B, Załuska-Ogryzek K, Grywalska E, Roliński J, Niedźwiedzka-Rystwej P. The Epidemiology and Clinical Presentations of Atopic Diseases in Selective IgA Deficiency. J Clin Med 2021; 10:3809. [PMID: 34501259 PMCID: PMC8432128 DOI: 10.3390/jcm10173809] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 08/22/2021] [Accepted: 08/23/2021] [Indexed: 12/12/2022] Open
Abstract
Selective IgA deficiency (sIgAD) is the most common primary immunodeficiency disease (PID), with an estimated occurrence from about 1:3000 to even 1:150, depending on population. sIgAD is diagnosed in adults and children after the 4th year of age, with immunoglobulin A level below 0.07 g/L and normal levels of IgM and IgG. Usually, the disease remains undiagnosed throughout the patient's life, due to its frequent asymptomatic course. If symptomatic, sIgAD is connected to more frequent viral and bacterial infections of upper respiratory, urinary, and gastrointestinal tracts, as well as autoimmune and allergic diseases. Interestingly, it may also be associated with other PIDs, such as IgG subclasses deficiency or specific antibodies deficiency. Rarely sIgAD can evolve to common variable immunodeficiency disease (CVID). It should also be remembered that IgA deficiency may occur in the course of other conditions or result from their treatment. It is hypothesized that allergic diseases (e.g., eczema, rhinitis, asthma) are more common in patients diagnosed with this particular PID. Selective IgA deficiency, although usually mildly symptomatic, can be difficult for clinicians. The aim of the study is to summarize the connection between selective IgA deficiency and atopic diseases.
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Affiliation(s)
- Izabela Morawska
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (I.M.); (A.M.); (E.G.); (J.R.)
| | - Sara Kurkowska
- Department of Nuclear Medicine, Pomeranian Medical University, Unii Lubelskiej 1 St., 71-252 Szczecin, Poland; (S.K.); (H.P.-B.); (B.B.)
| | - Dominika Bębnowska
- Institute of Biology, University of Szczecin, Felczaka 3c St., 71-412 Szczecin, Poland; (D.B.); (R.H.)
| | - Rafał Hrynkiewicz
- Institute of Biology, University of Szczecin, Felczaka 3c St., 71-412 Szczecin, Poland; (D.B.); (R.H.)
| | - Rafał Becht
- Clinical Department of Oncology, Chemotherapy and Cancer Immunotherapy, Pomeranian Medical University of Szczecin, Unii Lubelskiej 1, 71-252 Szczecin, Poland;
| | - Adam Michalski
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (I.M.); (A.M.); (E.G.); (J.R.)
| | - Hanna Piwowarska-Bilska
- Department of Nuclear Medicine, Pomeranian Medical University, Unii Lubelskiej 1 St., 71-252 Szczecin, Poland; (S.K.); (H.P.-B.); (B.B.)
| | - Bożena Birkenfeld
- Department of Nuclear Medicine, Pomeranian Medical University, Unii Lubelskiej 1 St., 71-252 Szczecin, Poland; (S.K.); (H.P.-B.); (B.B.)
| | - Katarzyna Załuska-Ogryzek
- Department of Pathophysiology, Medical University of Lublin, Jaczewskiego 8b St., 20-090 Lublin, Poland;
| | - Ewelina Grywalska
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (I.M.); (A.M.); (E.G.); (J.R.)
| | - Jacek Roliński
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (I.M.); (A.M.); (E.G.); (J.R.)
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8
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Singh S, Zhao X, Zhang H. Primary Immune Deficiencies - A rapidly emerging area of basic and clinical research. Genes Dis 2020; 7:1-2. [PMID: 32181270 PMCID: PMC7063438 DOI: 10.1016/j.gendis.2020.01.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 01/07/2020] [Indexed: 11/16/2022] Open
Affiliation(s)
- Surjit Singh
- Allergy Immunology Unit, Advanced Pediatrics Centre, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India.,Chongqing Key Laboratory of Child Infection and Immunity, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders (Chongqing), Children's Hospital of Chongqing Medical University, Chongqing, 400014, PR China.,Department of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Chongqing, 400014, PR China.,The Editorial Office of Genes & Diseases, Periodical Press of Chongqing Medical University, Chongqing, 401331, PR China
| | - Xiaodong Zhao
- Chongqing Key Laboratory of Child Infection and Immunity, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders (Chongqing), Children's Hospital of Chongqing Medical University, Chongqing, 400014, PR China.,Department of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Chongqing, 400014, PR China.,The Editorial Office of Genes & Diseases, Periodical Press of Chongqing Medical University, Chongqing, 401331, PR China
| | - Huijie Zhang
- The Editorial Office of Genes & Diseases, Periodical Press of Chongqing Medical University, Chongqing, 401331, PR China
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