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Lando V, Calciano L, Minelli C, Bombieri C, Ferrari M, Malerba G, Margagliotti A, Murgia N, Nicolis M, Olivieri M, Potts J, Tardivo S, Accordini S. IL18 Gene Polymorphism Is Associated with Total IgE in Adult Subjects with Asthma. J Clin Med 2023; 12:3963. [PMID: 37373658 DOI: 10.3390/jcm12123963] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/01/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
The allergic asthma phenotype is characterized by a T helper type 2 (Th2) immune response, based on Immunoglobulin E (IgE)-mediated type 1 hypersensitivity reactions. Total IgE is the sum of all IgE types produced by the human body and is used as a biomarker of inflammation in asthma. We analysed data collected in 143 asthma cases (median age 42.1 years) from the general Italian population (GEIRD survey; 2008-2010) to identify single nucleotide polymorphisms (SNPs) in candidate genes that are associated with total IgE in adult subjects with asthma. These patients reported respiratory symptoms in response to perennial allergens and provided data on 166 SNPs tagging 50 candidate genes or gene regions. Replication of the statistically significant results was performed in 842 asthma cases from other European countries (ECRHS II survey; 1998-2002). SNP rs549908 in interleukin 18 (IL18) gene was significantly associated with total IgE in GEIRD, and this result was replicated in ECRHS II. SNP rs1063320 in the human leukocyte antigen G (HLA-G) gene was identified in GEIRD, but this association was not replicated in ECRHS II. Further investigating IL18 and its biological pathways could be important for developing new therapeutic targets, due to its involvement in inflammatory response processes.
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Affiliation(s)
- Valentina Lando
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, 37134 Verona, Italy
| | - Lucia Calciano
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, 37134 Verona, Italy
| | - Cosetta Minelli
- National Heart and Lung Institute, Imperial College London, London SW3 6LR, UK
| | - Cristina Bombieri
- Biology and Genetics Section, Department of Neuroscience, Biomedicine and Movement, University of Verona, 37134 Verona, Italy
| | - Marcello Ferrari
- Respiratory Diseases Section, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Giovanni Malerba
- Biology and Genetics Section, Department of Neuroscience, Biomedicine and Movement, University of Verona, 37134 Verona, Italy
| | - Antonino Margagliotti
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, 37134 Verona, Italy
| | - Nicola Murgia
- Department of Environmental and Prevention Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Morena Nicolis
- Unit of Hygiene and Preventive, Environmental and Occupational Medicine, Department of Diagnostics and Public Health, University of Verona, 37134 Verona, Italy
| | - Mario Olivieri
- Unit of Occupational Medicine, Department of Diagnostics and Public Health, University of Verona, 37134 Verona, Italy
| | - James Potts
- National Heart and Lung Institute, Imperial College London, London SW3 6LR, UK
| | - Stefano Tardivo
- Unit of Hygiene and Preventive, Environmental and Occupational Medicine, Department of Diagnostics and Public Health, University of Verona, 37134 Verona, Italy
| | - Simone Accordini
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, 37134 Verona, Italy
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2
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Chen DP, Wang PN, Hour AL, Lin WT, Hsu FP, Wang WT, Tseng CP. The association between genetic variants at 3'-UTR and 5'-URR of HLA-G gene and the clinical outcomes of patients with leukemia receiving hematopoietic stem cell transplantation. Front Immunol 2023; 14:1093514. [PMID: 36911734 PMCID: PMC9995383 DOI: 10.3389/fimmu.2023.1093514] [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: 11/09/2022] [Accepted: 02/02/2023] [Indexed: 02/25/2023] Open
Abstract
In addition to the classical human leukocyte antigen (HLA) genes, the outcomes of post-hematopoietic stem cell transplantation (HSCT) are associated with human leukocyte antigen (HLA)-related genes and non-HLA genes involved in immune regulation. HLA-G gene plays an important role in immune tolerance, assisting immune escape of tumor cells, and decrease of transplant rejection. In this study, we explored the association of genetic variants at the 3'-untranslated region (3'-UTR) and 5'-upstream regulatory region (5'-URR) of HLA-G gene with the adverse outcomes of patients with leukemia receiving HSCT. The genomic DNAs of 164 patients who had acute leukemia and received HSCT were collected for analysis. Nine single nucleotide polymorphisms (SNPs) and six haplotypes in the 3'-UTR and 27 SNPs and 6 haplotypes in the 5'-URR were selected to investigate their relationship with the development of adverse outcomes for patients receiving HSCT, including mortality, relapse, and graft-versus-host disease. Our results revealed that two SNPs (rs371194629 and rs9380142) and one haplotype (UTR-3) located in the 3'-UTR and two SNPs (rs3823321 and rs1736934) and one haplotype (G0104a) located in the 5'-URR of HLA-G were associated with the occurrence of chronic GVHD or development of any forms of GVHD. No SNP was found to associate with the occurrence of mortality and relapse for patients receiving HSCT. These SNPs and haplotypes may play important roles in regulating immune tolerance of allografts post-HSCT that can be used to predict the risk of poor outcomes after receiving HSCT and giving preventive treatment to patients on time.
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Affiliation(s)
- Ding-Ping Chen
- Department of Laboratory Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Po-Nan Wang
- Division of Hematology-Oncology, Department of Internal Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ai-Ling Hour
- Department of Life Science, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Wei-Tzu Lin
- Department of Laboratory Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Fang-Ping Hsu
- Department of Laboratory Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Wei-Ting Wang
- Department of Laboratory Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ching-Ping Tseng
- Department of Laboratory Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
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3
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HLA-G in asthma and its potential as an effective therapeutic agent. Allergol Immunopathol (Madr) 2023; 51:22-29. [PMID: 36617818 DOI: 10.15586/aei.v51i1.650] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 07/06/2022] [Indexed: 01/03/2023]
Abstract
OBJECTIVE Asthma is a heterogeneous disease. Severity of asthma and sensitivity to medications vary across asthma subtypes. Human leukocyte antigen (HLA)-G has a wide range of functions in normal and pathological physiology. Due to its powerful immune function, HLA-G participates in the pathogenesis of different asthma phenotypes by regulating the activity and function of various immune cells. The mechanism of HLA-G in asthma is not fully clear, and there is no consensus on its mechanism in asthma. Further studies are needed to explore the role of HLA-G in different phenotypes of human asthma. METHODS Observational study. RESULTS HLA-G is an important immunomodulatory factor in asthma. Studies have found different levels of HLA-G in patients with different asthma subtypes and healthy controls, but other studies have come to the opposite conclusion. CONCLUSION We speculate that further study on the mechanism of HLA-G in asthma pheno-types may explain some of the contradictions in current studies. Findings should provide information regarding the potential of HLA-G as a novel target for asthma diagnosis and treatment.
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Fiouane S, Chebbo M, Beley S, Paganini J, Picard C, D'Journo X, Thomas P, Chiaroni J, Chanez P, Gras D, Di Cristofaro J. Mobilisation of HLA-F on the surface of bronchial epithelial cells and platelets in asthmatic patients. HLA 2022; 100:491-499. [PMID: 35988034 PMCID: PMC9804204 DOI: 10.1111/tan.14782] [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: 03/29/2022] [Revised: 07/26/2022] [Accepted: 08/16/2022] [Indexed: 01/05/2023]
Abstract
Uncontrolled inflammation of the airways in chronic obstructive lung diseases leads to exacerbation, accelerated lung dysfunction and respiratory insufficiency. Among these diseases, asthma affects 358 million people worldwide. Human bronchial epithelium cells (HBEC) express both anti-inflammatory and activating molecules, and their deregulated expression contribute to immune cell recruitment and activation, especially platelets (PLT) particularly involved in lung tissue inflammation in asthma context. Previous results supported that HLA-G dysregulation in lung tissue is associated with immune cell activation. We investigated here HLA-F expression, reported to be mobilised on immune cell surface upon activation and displaying its highest affinity for the KIR3DS1-activating NK receptor. We explored HLA-F transcriptional expression in HBEC; HLA-F total expression in PBMC and HBEC collected from healthy individuals at rest and upon chemical activation and HLA-F membrane expression in PBMC, HBEC and PLT collected from healthy individuals at rest and upon chemical activation. We compared HLA-F transcriptional expression in HBEC from healthy individuals and asthmatic patients and its surface expression in HBEC and PLT from healthy individuals and asthmatic patients. Our results support that HLA-F is expressed by HBEC and PLT under healthy physiological conditions and is retained in cytoplasm, barely expressed on the surface, as previously reported in immune cells. In both cell types, HLA-F reaches the surface in the inflammatory asthma context whereas no effect is observed at the transcriptional level. Our study suggests that HLA-F surface expression is a ubiquitous post-transcriptional process in activated cells. It may be of therapeutic interest in controlling lung inflammation.
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Affiliation(s)
- Sabrina Fiouane
- CNRS, EFS, ADES, UMR7268Aix Marseille UniversityMarseilleFrance,Etablissement Français du Sang PACA CorseMarseilleFrance
| | - Mohamad Chebbo
- INSERM 1263, INRAE 1260, C2VNAix Marseille UniversityMarseilleFrance
| | - Sophie Beley
- CNRS, EFS, ADES, UMR7268Aix Marseille UniversityMarseilleFrance,Etablissement Français du Sang PACA CorseMarseilleFrance
| | | | - Christophe Picard
- CNRS, EFS, ADES, UMR7268Aix Marseille UniversityMarseilleFrance,Etablissement Français du Sang PACA CorseMarseilleFrance
| | - Xavier‐Benoît D'Journo
- Department of Thoracic Surgery, North HospitalAix‐Marseille University and Assistance Publique‐Hôpitaux de MarseilleMarseilleFrance
| | - Pascal‐Alexandre Thomas
- Department of Thoracic Surgery, North HospitalAix‐Marseille University and Assistance Publique‐Hôpitaux de MarseilleMarseilleFrance
| | - Jacques Chiaroni
- CNRS, EFS, ADES, UMR7268Aix Marseille UniversityMarseilleFrance,Etablissement Français du Sang PACA CorseMarseilleFrance
| | - Pascal Chanez
- INSERM 1263, INRAE 1260, C2VNAix Marseille UniversityMarseilleFrance,Clinique des Bronches, Allergies et SommeilNorth Hospital, Assistance Publique‐Hôpitaux de MarseilleMarseilleFrance
| | - Delphine Gras
- INSERM 1263, INRAE 1260, C2VNAix Marseille UniversityMarseilleFrance
| | - Julie Di Cristofaro
- CNRS, EFS, ADES, UMR7268Aix Marseille UniversityMarseilleFrance,Etablissement Français du Sang PACA CorseMarseilleFrance
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5
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Negrini S, Contini P, Murdaca G, Puppo F. HLA-G in Allergy: Does It Play an Immunoregulatory Role? Front Immunol 2022; 12:789684. [PMID: 35082780 PMCID: PMC8784385 DOI: 10.3389/fimmu.2021.789684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 12/15/2021] [Indexed: 11/29/2022] Open
Abstract
Allergy is an inflammatory process determined by a cascade of immune events characterized by T-helper 2 lymphocytes polarization leading to interleukin-4 upregulation, IgE secretion, and mast cell and eosinophil activation. HLA-G molecules, both in membrane-bound and in soluble forms, are known to play a key immunoregulatory role and their involvement in allergic diseases is supported by increasing literature data. HLA-G expression and secretion is specifically induced in peripheral blood mononuclear cells of allergic patients after in vitro incubation with the causal allergen. Elevated levels of soluble HLA-G molecules are detected in serum of patients with allergic rhinitis correlating with allergen-specific IgE levels, clinical severity, drug consumption and response to allergen-specific immunotherapy. HLA-G genetic polymorphisms confer susceptibility to allergic asthma development and high levels of soluble HLA-G molecules are found in plasma and bronchoalveolar lavage fluid of patients with allergic asthma correlating with allergen-specific IgE levels. Interestingly, allergic pregnant women have lower plasma sHLA-G levels than non-allergic women during the 3rd trimester of pregnancy and at delivery. Finally, in allergic patients with atopic dermatitis HLA-G molecules are expressed by T cells, monocytes-macrophages and Langerhans cells infiltrating the dermis. Although at present is difficult to completely define the role of HLA-G molecules in allergic diseases, it may be suggested that they are specifically expressed and secreted by immune cells during the allergic reaction in an attempt to suppress allergic inflammation.
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Affiliation(s)
- Simone Negrini
- Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Paola Contini
- Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Giuseppe Murdaca
- Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Francesco Puppo
- Department of Internal Medicine, University of Genoa, Genoa, Italy
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6
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The HLA-G Immune Checkpoint Plays a Pivotal Role in the Regulation of Immune Response in Autoimmune Diseases. Int J Mol Sci 2021; 22:ijms222413348. [PMID: 34948145 PMCID: PMC8706866 DOI: 10.3390/ijms222413348] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 12/10/2021] [Accepted: 12/10/2021] [Indexed: 12/11/2022] Open
Abstract
The human G-leukocyte antigen (HLA-G) molecule is a non-classical major histocompatibility complex (MHC) class I molecule. The pertinence of HLA-G has been investigated in numerous studies which have sought to elucidate the relevance of HLA-G in pathologic conditions, such as autoimmune diseases, cancers, and hematologic malignancies. One of the main goals of the current research on HLA-G is to use this molecule in clinical practice, either in diagnostics or as a therapeutic target. Since HLA-G antigens are currently considered as immunomodulatory molecules that are involved in reducing inflammatory and immune responses, in this review, we decided to focus on this group of antigens as potential determinants of progression in autoimmune diseases. This article highlights what we consider as recent pivotal findings on the immunomodulatory function of HLA-G, not only to establish the role of HLA-G in the human body, but also to explain how these proteins mediate the immune response.
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7
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Wang X, Song B, Zang M, Ji H, Yang H, Jiang S, Yang X. LOC100996425 acts as a promoter in prostate cancer by mediating hepatocyte nuclear factor 4A and the AMPK/mTOR pathway. J Cell Mol Med 2021; 25:8174-8186. [PMID: 34309216 PMCID: PMC8419185 DOI: 10.1111/jcmm.16657] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 04/23/2021] [Accepted: 05/01/2021] [Indexed: 12/11/2022] Open
Abstract
The involvement of long non-coding RNAs (lncRNAs), differentially expressed genes and signals in prostate cancer (PCa) continues to be a subject of investigation. This study determined effects of LOC100996425 on human PCa by targeting hepatocyte nuclear factor 4A (HNF4A) via the AMPK/mTOR pathway. PCa and adjacent normal tissues were obtained to characterize expression pattern of LOC100996425, HNF4A and the AMPK/mTOR pathway-related genes. Then, the target gene of LOC100996425 was determined with lncRNA target prediction website and further verification was obtained through luciferase assay and ribonucleoprotein immunoprecipitation. After that, PCa cells were introduced with LOC100996425, HNF4A, siLOC100996425 or siHNF4A to explore the specific significance of LOC100996425 and HNF4A in PCa. The mechanism associated with AMPK/mTOR pathway was investigated using AMPK inhibitor or activator. LOC100996425 was up-regulated, while HNF4A was down-regulated in the PCa tissues. HNF4A was a target gene of LOC100996425. PCa cells transfected with either siLOC100996425 or HNF4A displayed reduced rates of PCa cell proliferation and migration while elevating cell apoptosis. HNF4A overexpression reversed the promotive effect of LOC100996425 overexpression on PCa. The activation of AMPK pathway involved in the cancer progression mediated by LOC100996425. Down-regulation of LOC100996425 retards progression of PCa through HNF4A-mediated AMPK/mTOR pathway.
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Affiliation(s)
- Xiuyan Wang
- Department of Urology, The Second Hospital of Jilin University, Changchun, China
| | - Bin Song
- Department of Neurosurgery, The Second Hospital of Jilin University, Changchun, China
| | - Mingcui Zang
- Department of Hepatobiliary and Pancreatic Surgery I, The First Hospital of Jilin University, Changchun, China
| | - He Ji
- Department of Gynaecology, The Second Hospital of Jilin University, Changchun, China
| | - He Yang
- Department of Urology, The Second Hospital of Jilin University, Changchun, China
| | - Shuang Jiang
- Department of Urology, The Second Hospital of Jilin University, Changchun, China
| | - Xiao Yang
- Department of Urology, The Second Hospital of Jilin University, Changchun, China
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Abdul-Hussein SS, Ali EN, Zaki NH, Ad’hiah AH. Genetic polymorphism of HLA-G gene (G*01:03, G*01:04, and G*01:05N) in Iraqi patients with inflammatory bowel disease (ulcerative colitis and Crohn’s disease). EGYPTIAN JOURNAL OF MEDICAL HUMAN GENETICS 2021. [DOI: 10.1186/s43042-021-00158-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Abstract
Background
Human leukocyte antigen-G (HLA-G) has been proposed to influence susceptibility to inflammatory bowel disease (IBD). Therefore, the genetic association between HLA-G alleles and two clinical phenotypes of IBD (ulcerative colitis [UC] and Crohn’s disease [CD]) was evaluated in Iraqi patients. A case-control study was performed on 50 UC and 50 CD patients and 100 healthy controls (HC). Three HLA-G alleles (G*01:03, G*01:04, and G*01:05N) were determined using sequence-specific polymerase chain reaction assay followed by product digestion with restriction endonucleases (Hinf-I, BseR-I, and PpuM-I, respectively).
Results
The G*01:03 allele was not detected in IBD patients (UC and CD) or HC, while G*01:04 and G*01:05N alleles showed polymorphic frequencies. The allele G*01:04 was significantly associated with susceptibility to UC (odds ratio [OR] = 2.55; 95% confidence interval [CI] = 1.27–5.13; corrected probability [pc] = 0.018) and CD (OR = 4.45; 95% CI = 2.11–9.41; pc < 0.001). The allele G*01:05N was also associated with increased risk of UC (OR = 4.17; 95% CI = 1.32–13.21; pc = 0.032) and CD (OR = 4.75; 95% CI = 1.53–14.78; pc = 0.014). These associations were more pronounced in IBD (UC + CD), and a significantly increased risk for IBD was found with the alleles G*01:04 (OR = 3.32; 95% CI = 1.86–5.95; pc < 0.001) and G*01:05N (OR = 4.46; 95% CI = 1.59–12.47; pc = 0.008). A stratification of IBD patients according to some demographic and clinical characteristics revealed that frequencies of both alleles showed no significant differences between the subgroups of patients in each stratum. Soluble HLA-G was not influenced by HLA-G alleles in patients or HC. UC was an exception, and the presence of G*01:04 allele was associated with a significantly higher mean of soluble HLA-G compared to patients without the allele (189.6 ± 24.0 vs. 168.6 ± 27.2 ng/mL; p = 0.033).
Conclusion
This study indicated that HLA-G*01:04 and HLA-G*01:05N alleles may influence susceptibility to UC and CD in Iraqi patients.
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Persson G, Picard C, Marin G, Isgaard C, Stæhr CS, Molinari N, Chiaroni J, Lebech M, Hviid TVF, Di Cristofaro J. Maternal HLA Ib Polymorphisms in Pregnancy Allo-Immunization. Front Immunol 2021; 12:657217. [PMID: 33859649 PMCID: PMC8042285 DOI: 10.3389/fimmu.2021.657217] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 03/15/2021] [Indexed: 11/16/2022] Open
Abstract
During pregnancy the formation of alloreactive anti-human leukocyte antigen (HLA) antibodies are a major cause of acute rejection in organ transplantation and of adverse effects in blood transfusion. The purpose of the study was to identify maternal HLA class Ib genetic factors associated with anti-HLA allo-immunization in pregnancy and the degree of tolerance estimated by IgG4 expression. In total, 86 primiparous women with singleton pregnancies were included in the study. Maternal blood samples and umbilical cord samples were collected at delivery. Clinical data were obtained. Maternal blood serum was screened for HLA class I and II antibodies, identification of Donor Specific Antibody (DSA), activation of complement measured by C1q and IgG4 concentrations. Mothers were genotyped for HLA class Ib (HLA-E, -F and -G). Anti-HLA class I and II antibodies were identified in 24% of the women. The maternal HLA-E*01:06 allele was significantly associated with a higher fraction of anti-HLA I immunization (20.0% vs. 4.8%, p = 0.048). The maternal HLA-G 3’-untranslated region UTR4-HLA-G*01:01:01:05 haplotype and the HLA-F*01:03:01 allele were significantly associated with a low anti-HLA I C1q activation (16.7% vs. 57.1%, p = 0.028; 16.7% vs. 50.0%, p = 0.046; respectively). Both HLA‑G and HLA-F*01:03:01 showed significantly higher levels of IgG4 compared with the other haplotypes. The results support an association of certain HLA class Ib alleles with allo-immunization during pregnancy. Further studies are needed to elucidate the roles of HLA-E*01:06, HLA-F*01:03 and HLA‑G UTR4 in reducing the risk for allo-immunization.
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Affiliation(s)
- Gry Persson
- Centre for Immune Regulation and Reproductive Immunology (CIRRI), Department of Clinical Biochemistry, The ReproHealth Research Consortium ZUH, Zealand University Hospital, Roskilde, Denmark
| | - Christophe Picard
- Aix Marseille Univ, CNRS, EFS, ADES, "Biologie des Groupes Sanguins", Marseille, France.,Immunogenetics Laboratory, Etablissement français du Sang PACA Corse, Marseille, France
| | - Gregory Marin
- Unité de Recherche Clinique, Biostatistique et Epidémiologie, Département de l'Information Médicale (DIM) Hôpital La Colombière, Montpellier, France
| | - Cecilie Isgaard
- Centre for Immune Regulation and Reproductive Immunology (CIRRI), Department of Clinical Biochemistry, The ReproHealth Research Consortium ZUH, Zealand University Hospital, Roskilde, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Christina Seefeldt Stæhr
- Centre for Immune Regulation and Reproductive Immunology (CIRRI), Department of Clinical Biochemistry, The ReproHealth Research Consortium ZUH, Zealand University Hospital, Roskilde, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Nicolas Molinari
- Unité de Recherche Clinique, Biostatistique et Epidémiologie, Département de l'Information Médicale (DIM) Hôpital La Colombière, Montpellier, France
| | - Jacques Chiaroni
- Aix Marseille Univ, CNRS, EFS, ADES, "Biologie des Groupes Sanguins", Marseille, France
| | - Morten Lebech
- Department of Obstetrics and Gynecology, Zealand University Hospital, Roskilde, Denmark
| | - Thomas Vauvert F Hviid
- Centre for Immune Regulation and Reproductive Immunology (CIRRI), Department of Clinical Biochemistry, The ReproHealth Research Consortium ZUH, Zealand University Hospital, Roskilde, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Julie Di Cristofaro
- Aix Marseille Univ, CNRS, EFS, ADES, "Biologie des Groupes Sanguins", Marseille, France
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Abstract
While asthma has a strong genetic component, our current ability to systematically understand and predict asthma risk remains low, despite over a hundred genetic associations. The reasons for this unfilled gap range from technical limitations of current approaches to fundamental deficiencies in the way we understand asthma. These are discussed in the context of genomic advances.
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Affiliation(s)
- Mayank Bansal
- CSIR-Institute of Genomics and Integrative Biology, Delhi, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Mayank Garg
- CSIR-Institute of Genomics and Integrative Biology, Delhi, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Anurag Agrawal
- CSIR-Institute of Genomics and Integrative Biology, Delhi, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India.
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Maternal HLA-G*01:01:01:04 protects from anti-HLA-class II immunization in pregnant women. Hum Immunol 2018; 80:120-125. [PMID: 30414459 DOI: 10.1016/j.humimm.2018.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 10/15/2018] [Accepted: 11/05/2018] [Indexed: 12/11/2022]
Abstract
Factors determining anti-HLA immunization are poorly understood, although anti-HLA immunization following pregnancy is well described. The HLA-G molecule has been extensively described for its implication in immunological tolerance, especially during pregnancy. Transplant studies show an association between HLA-G haplotypes and alloimmunization. Our aim was to investigate the association of HLA-G haplotypes with anti-HLA class I and II immunization in a cohort of women having experienced one or more pregnancies and with no transfusion history. Maternal blood samples (n=270) collected at delivery and formerly screened for anti-HLA antibodies, HLA-A and HLA-B antigens, were screened by NGS for HLA-G gene polymorphism. Univariate analysis further confirmed that the number of pregnancies was significantly associated with anti-HLA class I immunization, whereas no other variable remained significant after Bonferroni correction. Our results showed however that anti-HLA class II immunization was associated with the number of children whereas the HLA-G*01:01:01:04 allele was protective against this immunization.
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