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Gunavathy N, Asirvatham A, Chitra A, Jayalakshmi M. Evaluation of HLA-G 14bp Ins/Del and +3142 C/G Polymorphisms in Type 1 Diabetes among South Indian Population. Indian J Endocrinol Metab 2023; 27:223-229. [PMID: 37583409 PMCID: PMC10424110 DOI: 10.4103/ijem.ijem_7_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 04/02/2023] [Accepted: 04/22/2023] [Indexed: 08/17/2023] Open
Abstract
Background Type 1 diabetes (T1D) is a multifactorial autoimmune disease, involving strong genetic components with familial predisposition. Human leukocyte antigen-G (HLA-G) is a non-classical HLA-class I molecule having several immunomodulatory functions. Polymorphisms in HLA-G are associated with several autoimmune diseases including T1D. This study aims to evaluate the association of HLA-G 14bp Ins/Del and +3142 C/G polymorphisms with T1D among the South Indian population. Methods The study was performed in a cohort of 123 T1D patients along with their 51 siblings and 126 parents. The association and linkage of HLA-G 14bp Ins/Del and +3142 C/G polymorphisms with T1D were analysed, and transmission disequilibrium test (TDT) was performed. Results Significantly increased frequencies of HLA-G 14bp Del/Del genotype (OR = 2.16, pc = 0.0302) and Del allele (OR = 1.71, pc = 0.0398) were observed in female patients compared to parents. Higher frequencies of DelDel/GG combined genotype (OR = 4.45, pc = 0.0049) and Del/G haplotype (OR = 2.91, pc = 0.0277) were observed in female patients compared to parents. TDT also revealed over-transmission of Del/G haplotype (25T vs 7UT; P = 0.0015) and a strong linkage disequilibrium between the studied polymorphisms. Conclusion This familial study shows the association of HLA-G 3'UTR 14bp Ins/Del polymorphism with the risk of T1D among the South Indian population, especially in females.
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Affiliation(s)
- Nagarajan Gunavathy
- Department of Immunology, School of Biological Sciences, Madurai Kamaraj University, Madurai, Tamil Nadu, India
| | - Arthur Asirvatham
- Department of Diabetology, Government Rajaji Hospital, Madurai, Tamil Nadu, India
| | - Ayyappan Chitra
- Institute of Child Health and Research Centre, Government Rajaji Hospital, Madurai, Tamil Nadu, India
| | - Mariakuttikan Jayalakshmi
- Department of Immunology, School of Biological Sciences, Madurai Kamaraj University, Madurai, Tamil Nadu, India
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Ben Salah H, Jelassi R, Zidi I, Ben Amor A, Bizid S, Ammi R, Guizani L, Bouratbine A, Aoun K, Chelbi H. Rapid high-resolution melting method to identify human leukocyte antigen-G (HLA-G) 3' untranslated region polymorphism +3142C/G (rs1063320). Mol Genet Genomic Med 2021; 9:e1817. [PMID: 34605219 PMCID: PMC8606219 DOI: 10.1002/mgg3.1817] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 01/30/2020] [Accepted: 03/05/2020] [Indexed: 01/05/2023] Open
Abstract
Background HLA‐G is a non‐classical class I gene of the human Major Histocompatibility encoding molecules with immune‐modulatory properties. Expression of HLA‐G is being largely studied in pathological conditions, such as tumors, viral infections, inflammation, and autoimmune diseases, grafted tissues, among others. HLA‐G +3142C/G (rs1063320: dbSNP database) polymorphism is located in 3′ UTR of HAL‐G and plays a key role in determining the magnitude of gene and protein expression. The detection of HLA‐G +3142C/G polymorphism in the most published report is done through polymerase chain reaction followed by enzymatic digestion. Therefore, it is so interesting to develop a rapid and sensitive assay to genotype HLA‐G +3142C/G polymorphism. High‐resolution melt analysis (HRM) is a technology that is based on the analysis of the melting profile of PCR products through gradual temperature increase. The aim of this work is to apply high‐resolution melt method for genotyping the HLA‐G +3142C/G polymorphism. Methods DNA from 118 individuals was extracted from whole blood with QIAamp® DNA blood mini kit (Qiagen, Germany). Primer couple was designed using Primer 3 online tools so as to have only one SNP in the target sequence for high HRM efficiency. Positive Controls were identified using DNA sequencing and used as reference when assigning genotypes for trial samples. Results We were able to recognize the three genotypes with similar accuracy than DNA sequencing using high resolution melting method. Hardy‐Weinberg equilibrium test shows that our population is in equilibrium for the studied SNP. Genotypes frequencies of +3142C/G polymorphism in Tunisian general population are 0.475 for heterozygote G/C, 0.186 for homozygote G/G and 0.339 for homozygote C/C. Conclusion HRM is a cost‐effective method suitable for SNP genotyping.
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Affiliation(s)
- Hamza Ben Salah
- Laboratoire de parasitologie médicale, biotechnologies et biomolécules, Institut Pasteur de Tunis LR11IPT06, Tunis, Tunisie.,Faculté des Sciences de Tunis, Université de Tunis El Manar, Tunis, Tunisie
| | - Refka Jelassi
- Laboratoire de parasitologie médicale, biotechnologies et biomolécules, Institut Pasteur de Tunis LR11IPT06, Tunis, Tunisie.,Faculté des Sciences de Bizerte, Université de Carthage, Tunis, Tunisie
| | - Ines Zidi
- Laboratoire des microorganismes et biomolécules actives, faculté des Sciences de Tunis, Université de Tunis El-Manar, Tunis, Tunisie
| | - Amor Ben Amor
- Laboratoire de parasitologie médicale, biotechnologies et biomolécules, Institut Pasteur de Tunis LR11IPT06, Tunis, Tunisie.,Emirates College of Technology, Abu Dhabi, UAE
| | - Sondes Bizid
- Service de gastroentérologie, Hôpital militaire de Tunis, Tunis, Tunisie
| | - Radhia Ammi
- Service des consultants externes, Institut Pasteur de Tunis, Tunis, Tunisie
| | - Lamia Guizani
- Laboratoire de parasitologie médicale, biotechnologies et biomolécules, Institut Pasteur de Tunis LR11IPT06, Tunis, Tunisie
| | - Aida Bouratbine
- Laboratoire de parasitologie médicale, biotechnologies et biomolécules, Institut Pasteur de Tunis LR11IPT06, Tunis, Tunisie
| | - Karim Aoun
- Laboratoire de parasitologie médicale, biotechnologies et biomolécules, Institut Pasteur de Tunis LR11IPT06, Tunis, Tunisie
| | - Hanen Chelbi
- Laboratoire de parasitologie médicale, biotechnologies et biomolécules, Institut Pasteur de Tunis LR11IPT06, Tunis, Tunisie
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Association of HLA-G polymorphisms with systemic lupus erythematosus and correlation between soluble HLA‑G levels and the disease: a meta-analysis. Z Rheumatol 2021; 80:96-102. [PMID: 32274530 DOI: 10.1007/s00393-020-00783-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
OBJECTIVE To investigate the association between HLA‑G polymorphisms and systemic lupus erythematosus (SLE) susceptibility as well as the relationship between circulating soluble HLA‑G (sHLA‑G) levels and SLE. METHODS A meta-analysis was performed to investigate the relationships between HLA‑G 14-bp insertion (I)/deletion (D), +3142 G/C, +3035 T/C, and +3003 C/T polymorphisms and SLE as well as the relationship between sHLA‑G serum/plasma levels in SLE patients and controls. RESULTS Eleven publications fulfilled our inclusion criteria. Meta-analysis under the dominant model showed an association in the overall group between the II+ID genotype of HLA‑G 14-bp I/D polymorphism and SLE (OR = 1.213, 95%CI = 1.077-1.365, P = 0.001). Ethnicity-specific meta-analysis showed an association between II+ID and SLE in Asians but not in South American and European populations. No correlation was observed using the allele contrast between HLA‑G +3142 G/C polymorphisms and SLE. Contrastingly, +3035 T/C and +3003 C/T meta-analysis showed a significant allelic association between SLE and HLA‑G polymorphisms (OR = 1.378, 95%CI = 1.109-1.713, P = 0.004; OR = 1.834, 95%CI = 1.112-3.022, P = 0.017; respectively). sHLA‑G levels were significantly higher in the SLE group than in the controls (SMD = 0.637, 95%CI = 0.382-0.892, P < 0.001). CONCLUSION We showed association of HLA‑G 14-bp I/D, +3035 T/C, and +3003 C/T polymorphisms with SLE susceptibility and significantly higher circulating sHLA‑G levels in SLE patients.
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Gautam S, Kumar U, Kumar M, Kanga U, Dada R. Association of HLA-G 3’UTR Polymorphisms with Soluble HLA-G Levels and Disease Activity in Patients with Rheumatoid Arthritis: A Case-Control Study. Immunol Invest 2019; 49:88-105. [DOI: 10.1080/08820139.2019.1657146] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Surabhi Gautam
- Laboratory for Molecular Reproduction and Genetics, Department of Anatomy, All India Institute of Medical Sciences, New Delhi, India
| | - Uma Kumar
- Department of Rheumatology, All India Institute of Medical Sciences, New Delhi, India
| | - Manoj Kumar
- Laboratory for Molecular Reproduction and Genetics, Department of Anatomy, All India Institute of Medical Sciences, New Delhi, India
| | - Uma Kanga
- Department of Transplant Immunology and Immunogenetics, All India Institute of Medical Sciences, New Delhi, India
| | - Rima Dada
- Laboratory for Molecular Reproduction and Genetics, Department of Anatomy, All India Institute of Medical Sciences, New Delhi, India
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Sonon P, Sadissou I, Tokplonou L, M'po KKG, Glitho SSC, Agniwo P, Ibikounlé M, Massaro JD, Massougbodji A, Moreau P, Sabbagh A, Mendes-Junior CT, Moutairou KA, Castelli EC, Courtin D, Donadi EA. HLA-G, -E and -F regulatory and coding region variability and haplotypes in the Beninese Toffin population sample. Mol Immunol 2018; 104:108-127. [PMID: 30448608 DOI: 10.1016/j.molimm.2018.08.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 08/16/2018] [Indexed: 12/17/2022]
Abstract
HLA-G/E/F genes exhibit immunomodulatory properties and are expressed in placenta. Little attention has been devoted to the study of these genes in sub-Saharan African populations, which are yet the most diverse. To fill this gap, we evaluated the complete gene variability, approximately 5.1 kb for HLA-G (n = 149), 7.7 kb for HLA-E (n = 150) and 6.2 kb for HLA-F (n = 152) in the remote Beninese Toffin population, using massive parallel sequencing. Overall, 96, 37 and 68 variable sites were detected along the entire HLA-G, -E and -F, respectively, arranged into region-specific haplotypes; i.e., promoter haplotypes (16, 19, and 15 respectively), coding haplotypes (19, 15, and 29 respectively), 3' untranslated region (3'UTR) haplotypes (12, 7 and 2, respectively) and extended haplotypes (33, 31 and 32 respectively). All promoter/coding/3'UTR haplotypes followed the patterns already described in worldwide populations. HLA-E was the most conserved, exhibiting mainly two full-length encoded-molecules (E*01:01 and E*01:03), followed by HLA-F, three full-length proteins (F*01:01, F*01:02 and F*01:03) and HLA-G, four proteins: three full-length (G*01:01, G*01:03 and G*01:04) and one truncated (G*01:05N). Although HLA-G/E/F alleles in the Toffin population were the most frequently observed worldwide, the frequencies of the coding haplotypes were closely similar to those described for other African populations (Guinea-Conakry and Burkina-Faso), when compared to non-African ones (Brazilian), indicating that variable sites along these genes were present in Africa before human dispersion.
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Affiliation(s)
- Paulin Sonon
- Laboratório de Biologia Molecular, Universidade de São Paulo, Programa de Imunologia Básica e Aplicada (IBA), Faculdade de Medicina de Ribeirão Preto (FMRP-USP), Estado de São Paulo, SP, Brazil.
| | - Ibrahim Sadissou
- Laboratório de Biologia Molecular, Universidade de São Paulo, Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto (FMRP-USP), Estado de São Paulo, SP, Brazil.
| | - Léonidas Tokplonou
- Centre d'Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l'Enfance (CERPAGE), Faculté des Sciences de la Santé, Cotonou, Benin; UMR 216 MERIT, IRD, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France; Université d'Abomey-Calavi, Cotonou, Benin.
| | - Kuumaaté K G M'po
- Centre d'Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l'Enfance (CERPAGE), Faculté des Sciences de la Santé, Cotonou, Benin; Département de Zoologie, Faculté des Sciences et Techniques, Université d'Abomey-Calavi, Cotonou, Benin.
| | - Sonya S C Glitho
- Centre d'Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l'Enfance (CERPAGE), Faculté des Sciences de la Santé, Cotonou, Benin; Département de Zoologie, Faculté des Sciences et Techniques, Université d'Abomey-Calavi, Cotonou, Benin.
| | - Privat Agniwo
- Centre d'Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l'Enfance (CERPAGE), Faculté des Sciences de la Santé, Cotonou, Benin; Département de Zoologie, Faculté des Sciences et Techniques, Université d'Abomey-Calavi, Cotonou, Benin.
| | - Moudachirou Ibikounlé
- Université d'Abomey-Calavi, Cotonou, Benin; Département de Zoologie, Faculté des Sciences et Techniques, Université d'Abomey-Calavi, Cotonou, Benin.
| | - Juliana Doblas Massaro
- Laboratório de Biologia Molecular, Universidade de São Paulo, Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto (FMRP-USP), Estado de São Paulo, SP, Brazil.
| | - Achille Massougbodji
- Centre d'Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l'Enfance (CERPAGE), Faculté des Sciences de la Santé, Cotonou, Benin.
| | - Philippe Moreau
- Commissariat à l'Energie Atomique et aux Energies Alternatives, Direction de la Recherche Fondamentale, Institut de Biologie François Jacob, Service de Recherches en Hémato-Immunologie, Hôpital Saint-Louis, Paris, France; Université Paris-Diderot, Sorbonne Paris-Cité, UMR_E5, Institut Universitaire d'Hématologie, Hôpital Saint-Louis, Paris, France.
| | - Audrey Sabbagh
- UMR 216 MERIT, IRD, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France.
| | - Celso T Mendes-Junior
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, State of São Paulo, Brazil.
| | - Kabirou A Moutairou
- Laboratoire de Biologie et Physiologie Cellulaire, Université d'Abomey-Calavi, Cotonou, Benin.
| | - Erick C Castelli
- São Paulo State University (UNESP), Molecular Genetics and Bioinformatics Laboratory, Experimental Research Unit (UNIPEX), School of Medicine, Botucatu, State of São Paulo, Brazil; São Paulo State University (UNESP), Department of Pathology, School of Medicine, Botucatu, State of São Paulo, Brazil.
| | - David Courtin
- UMR 216 MERIT, IRD, Faculté de Pharmacie de Paris, Université Paris Descartes, Sorbonne Paris Cité, Paris, France.
| | - Eduardo A Donadi
- Laboratório de Biologia Molecular, Universidade de São Paulo, Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto (FMRP-USP), Estado de São Paulo, SP, Brazil.
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de Almeida BS, Muniz YCN, Prompt AH, Castelli EC, Mendes-Junior CT, Donadi EA. Genetic association between HLA-G 14-bp polymorphism and diseases: A systematic review and meta-analysis. Hum Immunol 2018; 79:724-735. [PMID: 30102938 DOI: 10.1016/j.humimm.2018.08.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 08/09/2018] [Accepted: 08/09/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND HLA-G is an immune checkpoint molecule. Since a differential molecule expression has been reported even for healthy individuals, many studies have focused on polymorphisms at HLA-G regulatory regions, particularly the 3' untranslated region (3'UTR). The presence/absence of a 14-bp sequence was the first polymorphism described and it is the most studied in association between HLA-G and disorders. METHODS In this study, we performed a systematic review and meta-analysis of all association studies published regarding the HLA-G 14-bp. RESULTS We verified association between 14-bp alleles and diseases in the following situations: (1) presence of 14-bp (insertion) conferred susceptibility to preeclampsia (child alleles evaluated) and systemic lupus erythematosus (OR = 1.42; 95%CI = 1.04-1.93; p = 0.026 and OR = 1.13; 95%CI = 1.01-1.27, p = 0.028); (2) 14-bp absence (deletion) was associated with increased risk to breast cancer (OR = 1.23; 95%CI = 1.06-1.43; p = 0.006) and human Cytomegalovirus infection (OR = 2.06; 95%CI = 1.60-2.64; p < 0.0001); and (3) a risk association was observed between the group of reproductive disorders and the 14-bp insertion (OR = 1.12; 95%CI = 1.01-1.24; p = 0.034). CONCLUSIONS Considering that others 14-bp associations were inconclusive and that other variation sites observed at HLA-G 3'UTR exhibit a proven role on post-transcriptional regulation of HLA-G expression, the complete 3'UTR segment should be analyzed in terms of disease susceptibility, instead of a single polymorphism.
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Affiliation(s)
- Bibiana Sgorla de Almeida
- Divisão de Imunologia Clínica, Departamento de Clínica Médica, Faculdade de Medicina de Ribeirão Preto (FMRP), Universidade de São Paulo (USP), 14049-900 Ribeirão Preto, SP, Brazil; Laboratório Multiusuário de Estudos em Biologia, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina (UFSC), Florianópolis, Brazil.
| | - Yara Costa Netto Muniz
- Departamento de Biologia Celular, Embriologia e Genética, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina (UFSC), Florianópolis, Brazil.
| | - Alice Heidrich Prompt
- Departamento de Biologia Celular, Embriologia e Genética, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina (UFSC), Florianópolis, Brazil.
| | - Erick C Castelli
- Departamento de Patologia, Faculdade de Medicina de Botucatu, Unesp - Univ. Estadual Paulista, 18618-970 Botucatu, SP, Brazil.
| | - Celso Teixeira Mendes-Junior
- Faculdade de Filosofia Ciências e Letras de Ribeirão Preto (FFCLRP), Universidade de São Paulo (USP), 14049-900 Ribeirão Preto, SP, Brazil.
| | - Eduardo Antonio Donadi
- Divisão de Imunologia Clínica, Departamento de Clínica Médica, Faculdade de Medicina de Ribeirão Preto (FMRP), Universidade de São Paulo (USP), 14049-900 Ribeirão Preto, SP, Brazil.
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Castelli EC, Gerasimou P, Paz MA, Ramalho J, Porto IO, Lima TH, Souza AS, Veiga-Castelli LC, Collares CV, Donadi EA, Mendes-Junior CT, Costeas P. HLA-G variability and haplotypes detected by massively parallel sequencing procedures in the geographicaly distinct population samples of Brazil and Cyprus. Mol Immunol 2017; 83:115-126. [DOI: 10.1016/j.molimm.2017.01.020] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 01/18/2017] [Accepted: 01/20/2017] [Indexed: 12/11/2022]
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Poomarimuthu M, Elango S, Soundrapandian S, Mariakuttikan J. "HLA-G 3'UTR gene polymorphisms and rheumatic heart disease: a familial study among South Indian population". Pediatr Rheumatol Online J 2017; 15:10. [PMID: 28143491 PMCID: PMC5286793 DOI: 10.1186/s12969-017-0140-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 01/25/2017] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Rheumatic heart disease (RHD) is an autoimmune disease where cross reactive CD4+ T cells are involved in the pathogenesis of valvular damage. Human Leukocyte Antigen-G (HLA-G), an immunosuppressive molecule playing a crucial role in the inhibition of T cell response is associated with the pathogenesis of various autoimmune and inflammatory diseases. Genetic polymorphisms within the 3'untranslated region (UTR) of HLA-G influences its expression and thus disease pathogenesis. Hence, the present study aims to unravel the association of 14 bp Ins/Del (rs66554220) and +3142 C/G (rs1063320) polymorphisms in 3' UTR of HLA-G with RHD. METHODS This familial study consists of 99 RHD families (99 RHD patients, 140 parents and 126 healthy siblings). The 14 bp Ins/Del and +3142 C/G polymorphisms were evaluated by PCR using sequence specific primers and its transmission disequilibrium (TD) was tested by TD test in 70 trio families. RESULTS The frequency of +3142 C/C genotype was high in patients with combined valvular lesions (CVL) (OR = 5.88; pc = 0.012) and pooled RHD patients (P: OR = 2.76; p = 0.043; pc = 0.076) when compared to healthy siblings. Under the additive (OR = 5.50; pc = 0.026) and recessive genetic model (OR = 5.88; pc = 0.012), the +3142 C/C genotype was significantly associated with CVL in patients. CONCLUSION The results suggest that the +3142 C/C genotype may be associated with minor risk for the development of RHD and is more likely to influence the severity of the disease.
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Affiliation(s)
- Maheshkumar Poomarimuthu
- 0000 0001 2186 7912grid.10214.36Department of Immunology, School of Biological Sciences, Madurai Kamaraj University, Madurai, 625 021 Tamil Nadu India
| | - Sivakumar Elango
- 0000 0004 1803 1614grid.413236.1Institute of Child Health and Research Centre, Government Rajaji Hospital, Madurai, Tamil Nadu India
| | - Sambath Soundrapandian
- 0000 0004 1803 1614grid.413236.1Institute of Child Health and Research Centre, Government Rajaji Hospital, Madurai, Tamil Nadu India
| | - Jayalakshmi Mariakuttikan
- Department of Immunology, School of Biological Sciences, Madurai Kamaraj University, Madurai, 625 021, Tamil Nadu, India.
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Recent Advances in Our Understanding of HLA-G Biology: Lessons from a Wide Spectrum of Human Diseases. J Immunol Res 2016; 2016:4326495. [PMID: 27652273 PMCID: PMC5019910 DOI: 10.1155/2016/4326495] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 07/23/2016] [Indexed: 12/27/2022] Open
Abstract
HLA-G is a HLA-class Ib molecule with potent immunomodulatory activities, which is expressed in physiological conditions, where modulation of the immune response is required to avoid allograft recognition (i.e., maternal-fetal interface or transplanted patients). However, HLA-G can be expressed de novo at high levels in several pathological conditions, including solid and hematological tumors and during microbial or viral infections, leading to the impairment of the immune response against tumor cells or pathogens, respectively. On the other hand, the loss of HLA-G mediated control of the immune responses may lead to the onset of autoimmune/inflammatory diseases, caused by an uncontrolled activation of the immune effector cells. Here, we have reviewed novel findings on HLA-G functions in different physiological and pathological settings, which have been published in the last two years. These studies further confirmed the important role of this molecule in the modulation of the immune system.
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Zidi I, Kharrat N, Abdelhedi R, Hassine AB, Laaribi AB, Yahia HB, Abdelmoula NB, Abid L, Rebai A, Rizzo R. Nonclassical human leukocyte antigen (HLA-G, HLA-E, and HLA-F) in coronary artery disease. Hum Immunol 2016; 77:325-9. [PMID: 26780503 DOI: 10.1016/j.humimm.2016.01.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 11/13/2015] [Accepted: 01/07/2016] [Indexed: 01/08/2023]
Abstract
AIMS Several evidences suggest the association between the evolution of coronary artery disease (CAD) and the development of coronary syndrome that is often associated with disrupted plaque and partial or complete thrombosis of the related artery. Because of the inflammatory nature of CAD, we investigated the human leukocyte antigen (HLA)-G, HLA-E, and HLA-F genetic polymorphisms within CAD patients and evaluated their potential association with this disease in Tunisian population. METHODS Different polymorphisms in HLA-G (14-bp Insertion/Deletion, +3142C/G), HLA-E (HLA-E*01:01/01:03 A/G), HLA-F (HLA-F*01:02 T/C, 01:03 C/T, 01:04 A/C) genes were typed using different laboratory techniques in a cohort of 89 CAD patients and 84 controls. RESULTS A significant association was reported between the HLA-G +3142 G allele (OR=1.64, 95% CI=1.05-2.56, p=0.02) and increased risk of CAD. No association was found for the other studied polymorphisms. When we considered the haplotypes, we found TDELCA and TDELGG haplotypes associated to CAD with p=0.008 and p=0.030, respectively, suggesting the potential interaction between HLA-G and HLA-E genes. CONCLUSIONS Our findings indicated that the HLA-G +3142C/G polymorphism and TDELCA and TDELGG haplotypes can harbour a reliable diagnosis value for the risk of CAD development suggesting that HLA-G, -E and -F molecules might be involved in the pathogenesis of the disease. However, further studies are necessary to confirm our results.
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Affiliation(s)
- Ines Zidi
- Laboratory Microorganismes et Biomolécules Actives, Sciences Faculty of Tunis, University of Tunis El Manar, Tunis, Tunisia.
| | - Najla Kharrat
- Centre de Biotechnologie de Sfax, Molecular and Cellular Screening Process, route Sidi Mansour, BP1177, 3018 Sfax, Tunisia
| | - Rania Abdelhedi
- Centre de Biotechnologie de Sfax, Molecular and Cellular Screening Process, route Sidi Mansour, BP1177, 3018 Sfax, Tunisia
| | - Amna Ben Hassine
- Laboratory Microorganismes et Biomolécules Actives, Sciences Faculty of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Ahmed Baligh Laaribi
- Laboratory Microorganismes et Biomolécules Actives, Sciences Faculty of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Hamza Ben Yahia
- Laboratory Microorganismes et Biomolécules Actives, Sciences Faculty of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | | | - Leila Abid
- Hospital of Hedi Chaker (CHU), Service de cardiologie, Route el Ain Km 0.5, 3000 Sfax, Tunisia
| | - Ahmed Rebai
- Centre de Biotechnologie de Sfax, Molecular and Cellular Screening Process, route Sidi Mansour, BP1177, 3018 Sfax, Tunisia
| | - Roberta Rizzo
- Department of Experimental and Diagnostic Medicine, Section Microbiology, University of Ferrara, Ferrara, Italy
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Association of HLA-G +3142 C>G polymorphism and breast cancer in Tunisian population. Immunol Res 2016; 64:961-8. [DOI: 10.1007/s12026-015-8782-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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12
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Evaluation of HLA-G 14 bp Ins/Del and +3142G>C Polymorphism with Susceptibility and Early Disease Activity in Rheumatoid Arthritis. Adv Med 2016; 2016:4985745. [PMID: 27610404 PMCID: PMC5004028 DOI: 10.1155/2016/4985745] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 06/27/2016] [Accepted: 07/20/2016] [Indexed: 11/17/2022] Open
Abstract
Purpose/Background. Mounting evidence designates that HLA-G plays a role in the regulation of inflammatory processes and autoimmune diseases. There are controversial reports concerning the impact of HLA-G gene polymorphism on rheumatoid arthritis (RA). This study was aimed at examining the impact of 14 bp ins/del and +3142G>C polymorphism with susceptibility and early disease activity in RA patients in a sample of the Iranian population. Methods. This case-control study was done on 194 patients with RA and 158 healthy subjects. The HLA-G rs1063320 (+3142G>C) and rs66554220 (14 bp ins/del) variants were genotype by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFP) and PCR method, respectively. Results. The HLA-G +3142G>C polymorphism significantly decreased the risk of RA in codominant (OR = 0.61, 95% CI = 0.38-0.97, p = 0.038, GC versus GG; OR = 0.36, 95% CI = 0.14-0.92, p = 0.034, CC versus GG), dominant (OR = 0.56, 95% CI = 0.36-0.87, p = 0.011, GC + CC versus GG), and allele (OR = 0.58, 95% CI = 0.41-0.84, p = 0.004, C versus G) inheritance models tested. Our finding did not support an association between HLA-G 14 bp ins/del variant and risk/protection of RA. In addition, no significant association was found between the polymorphism and early disease activity. Conclusion. In summary, our results showed that HLA-G +3142G>C gene polymorphism significantly decreased the risk of RA in a sample of the Iranian population.
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Mariaselvam CM, Chaaben AB, Salah S, Charron D, Krishnamoorthy R, Tamouza R, Negi VS. Human leukocyte antigen-G polymorphism influences the age of onset and autoantibody status in rheumatoid arthritis. ACTA ACUST UNITED AC 2015; 85:182-9. [PMID: 25656292 DOI: 10.1111/tan.12521] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Revised: 11/11/2014] [Accepted: 01/13/2015] [Indexed: 11/26/2022]
Abstract
The study was conducted to investigate the frequency of three gene polymorphisms in the 3'-untranslated region (3'-UTR) of human leucocyte antigen-G (HLA-G) gene in south Indian patients with rheumatoid arthritis (RA) and analyze their influence on disease susceptibility, phenotype and treatment response. HLA-G 14 bp insertion (Ins)/deletion (del) (rs66554220), HLA-G +3142G>C (rs1063320) and +3187A>G (rs9380142) polymorphism was analyzed in 221 RA patients and 200 healthy controls. Frequency of HLA-G genotypes or alleles did not differ between patients and controls. Analysis based on rheumatoid factor (RF) status revealed that the frequency of allele 'A' (rs9380142) was significantly higher in RF-positive than in RF-negative patients [84% vs 74%, Yates-corrected P value (Pc) = 0.04, odds ratio (OR) = 1.8, 95% confidence interval (CI) = 1.0-3.2]. A similar difference was maintained in RF-positive female patients than their RF-negative counterparts (83% vs 71%, Pc = 0.02, OR = 1.9, 95% CI = 1.0 to 3.4) and between RF-positive and RF-negative young onset RA (YORA) patients (84% vs 73%, Pc = 0.03, OR = 1.9, 95% CI = 1.0-3.2), suggesting that rs9380142 polymorphism influenced RF status. The 14 bp Ins allele of rs66554220 was significantly more prevalent in RF-positive YORA than in RF-positive late onset RA (LORA) patients (51% vs 25%, P = 0.03, OR = 3.1, 95% CI = 1.1-9.8). Frequency of the four major haplotypes [InsGA (48%), DelGA (22%), DelCG (18%), DelCA (9.7%)] observed did not differ between cases and controls. HLA-G does not appear to be a risk factor for development of RA in south Indian Tamils but may act as a genetic modifier of clinical phenotype in terms of autoantibody production, gender preference and age at disease onset.
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Affiliation(s)
- C M Mariaselvam
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry, India; INSERM, UMRS 1160, Saint Louis Hospital, Paris, France
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Meta-analysis of associations between functional HLA-G polymorphisms and susceptibility to systemic lupus erythematosus and rheumatoid arthritis. Rheumatol Int 2014; 35:953-61. [DOI: 10.1007/s00296-014-3155-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Accepted: 10/08/2014] [Indexed: 01/29/2023]
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15
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Castelli EC, Ramalho J, Porto IOP, Lima THA, Felício LP, Sabbagh A, Donadi EA, Mendes-Junior CT. Insights into HLA-G Genetics Provided by Worldwide Haplotype Diversity. Front Immunol 2014; 5:476. [PMID: 25339953 PMCID: PMC4186343 DOI: 10.3389/fimmu.2014.00476] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Accepted: 09/18/2014] [Indexed: 12/12/2022] Open
Abstract
Human leukocyte antigen G (HLA-G) belongs to the family of non-classical HLA class I genes, located within the major histocompatibility complex (MHC). HLA-G has been the target of most recent research regarding the function of class I non-classical genes. The main features that distinguish HLA-G from classical class I genes are (a) limited protein variability, (b) alternative splicing generating several membrane bound and soluble isoforms, (c) short cytoplasmic tail, (d) modulation of immune response (immune tolerance), and (e) restricted expression to certain tissues. In the present work, we describe the HLA-G gene structure and address the HLA-G variability and haplotype diversity among several populations around the world, considering each of its major segments [promoter, coding, and 3′ untranslated region (UTR)]. For this purpose, we developed a pipeline to reevaluate the 1000Genomes data and recover miscalled or missing genotypes and haplotypes. It became clear that the overall structure of the HLA-G molecule has been maintained during the evolutionary process and that most of the variation sites found in the HLA-G coding region are either coding synonymous or intronic mutations. In addition, only a few frequent and divergent extended haplotypes are found when the promoter, coding, and 3′UTRs are evaluated together. The divergence is particularly evident for the regulatory regions. The population comparisons confirmed that most of the HLA-G variability has originated before human dispersion from Africa and that the allele and haplotype frequencies have probably been shaped by strong selective pressures.
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Affiliation(s)
- Erick C Castelli
- Department of Pathology, School of Medicine of Botucatu, Universidade Estadual Paulista , Botucatu , Brazil
| | - Jaqueline Ramalho
- Department of Pathology, School of Medicine of Botucatu, Universidade Estadual Paulista , Botucatu , Brazil
| | - Iane O P Porto
- Department of Pathology, School of Medicine of Botucatu, Universidade Estadual Paulista , Botucatu , Brazil
| | - Thálitta H A Lima
- Department of Pathology, School of Medicine of Botucatu, Universidade Estadual Paulista , Botucatu , Brazil
| | - Leandro P Felício
- Biological Sciences Institute, Federal University of Goias , Goiânia , Brazil
| | - Audrey Sabbagh
- UMR 216, Institut de Recherche pour le Développement, MERIT , Paris , France ; Faculté de Pharmacie, Université Paris Descartes, Sorbonne Paris Cité , Paris , France
| | - Eduardo A Donadi
- Division of Clinical Immunology, Department of Medicine, School of Medicine of Ribeirão Preto, University of São Paulo , Ribeirão Preto , Brazil
| | - Celso T Mendes-Junior
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, University of São Paulo , Ribeirão Preto , Brazil
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Catamo E, Addobbati C, Segat L, Sotero Fragoso T, Domingues Barbosa A, Tavares Dantas A, de Ataíde Mariz H, F. da Rocha L, Branco Pinto Duarte AL, Monasta L, Sandrin-Garcia P, Crovella S. HLA-G gene polymorphisms associated with susceptibility to rheumatoid arthritis disease and its severity in Brazilian patients. ACTA ACUST UNITED AC 2014; 84:308-15. [DOI: 10.1111/tan.12396] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2013] [Revised: 05/13/2014] [Accepted: 05/19/2014] [Indexed: 11/29/2022]
Affiliation(s)
- E. Catamo
- Department of Life Sciences, University of Trieste; Trieste Italy
| | - C. Addobbati
- Department of Genetics; Federal University of Pernambuco; Recife Brazil
- Laboratory of Immunopathology Keizo Asami (LIKA); Federal University of Pernambuco; Recife Brazil
| | - L. Segat
- Department of Advanced Diagnostic and Clinical Sperimentation, Institute for Maternal and Child Health - IRCCS "Burlo Garofolo"; Trieste Italy
| | - T. Sotero Fragoso
- Laboratory of Immunopathology Keizo Asami (LIKA); Federal University of Pernambuco; Recife Brazil
- Division of Rheumatology, Clinical Hospital; Federal University of Pernambuco; Recife Brazil
| | - A. Domingues Barbosa
- Laboratory of Immunopathology Keizo Asami (LIKA); Federal University of Pernambuco; Recife Brazil
- Division of Rheumatology, Clinical Hospital; Federal University of Pernambuco; Recife Brazil
| | - A. Tavares Dantas
- Division of Rheumatology, Clinical Hospital; Federal University of Pernambuco; Recife Brazil
| | - H. de Ataíde Mariz
- Division of Rheumatology, Clinical Hospital; Federal University of Pernambuco; Recife Brazil
| | - L. F. da Rocha
- Division of Rheumatology, Clinical Hospital; Federal University of Pernambuco; Recife Brazil
| | | | - L. Monasta
- Department of Advanced Diagnostic and Clinical Sperimentation, Institute for Maternal and Child Health - IRCCS "Burlo Garofolo"; Trieste Italy
| | - P. Sandrin-Garcia
- Department of Genetics; Federal University of Pernambuco; Recife Brazil
- Laboratory of Immunopathology Keizo Asami (LIKA); Federal University of Pernambuco; Recife Brazil
| | - S. Crovella
- Department of Life Sciences, University of Trieste; Trieste Italy
- Department of Advanced Diagnostic and Clinical Sperimentation, Institute for Maternal and Child Health - IRCCS "Burlo Garofolo"; Trieste Italy
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