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Wang T, Qi J, Wang M, Xu H, Wu J, Shang L, Chen L, Li Y. Correlation between human leukocyte antigen ligands and killer cell immunoglobulin-like receptors in aplastic anemia patients from Shaanxi Han. Immunogenetics 2023; 75:445-454. [PMID: 37592108 DOI: 10.1007/s00251-023-01316-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 07/15/2023] [Indexed: 08/19/2023]
Abstract
Regulating natural killer (NK) cell responses in hematological malignancies largely depend on molecular interactions between killer cell immunoglobulin-like receptors (KIR) and human leukocyte antigen (HLA) class I ligands. The goal of the current study was to examine the key functions of KIR genes, gene combinations of KIR-HLA, and KIR genotypes in genetic predisposition to aplastic anemia (AA). Herein, the genotyping of 16 KIR genes and HLA-A, -B, and -C ligands were performed in 72 AA patients and 150 healthy controls using PCR evaluations with sequence-specific primers using standard assays. According to the obtained results, AA patients had an increased incidence of activating KIR and KIR2DS4 (P = 0.465 × 10-4, Pc = 0.837 × 10-3, OR = 20.81, 95% CI = 2.786-155.5) compared to controls. KIR/HLA class I ligand profile KIR2DS4/C1 (P = 0.350 × 10-4, Pc = 0.630 × 10-3, OR = 8.944, 95% CI = 2.667-29.993) was significantly elevated in AA patients compared to healthy controls. Genotype AA1 (P = 0.003, OR = 2.351, 95% CI = 1.325-4.172) were increased, and AA195 (P = 0.006, OR = 0.060, 95% CI = 0.004-1.023) was decreased among AA cases compared to controls. Our findings indicated that KIR2DS4 may play a role in the pathogenesis of AA. This study revealed the contribution of KIR genes in the etiology of AA cases.
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Affiliation(s)
- Tianju Wang
- HLA Typing Laboratory, Blood Center of the Shaanxi Province, Institute of Xi'an Blood Bank, Xi'an, Shaanxi, 710061, China
| | - Jun Qi
- HLA Typing Laboratory, Blood Center of the Shaanxi Province, Institute of Xi'an Blood Bank, Xi'an, Shaanxi, 710061, China.
| | - Manni Wang
- HLA Typing Laboratory, Blood Center of the Shaanxi Province, Institute of Xi'an Blood Bank, Xi'an, Shaanxi, 710061, China
| | - Hua Xu
- HLA Typing Laboratory, Blood Center of the Shaanxi Province, Institute of Xi'an Blood Bank, Xi'an, Shaanxi, 710061, China
| | - Junhua Wu
- HLA Typing Laboratory, Blood Center of the Shaanxi Province, Institute of Xi'an Blood Bank, Xi'an, Shaanxi, 710061, China
| | - Lixia Shang
- HLA Typing Laboratory, Blood Center of the Shaanxi Province, Institute of Xi'an Blood Bank, Xi'an, Shaanxi, 710061, China
| | - Le Chen
- HLA Typing Laboratory, Blood Center of the Shaanxi Province, Institute of Xi'an Blood Bank, Xi'an, Shaanxi, 710061, China
| | - Yuhui Li
- HLA Typing Laboratory, Blood Center of the Shaanxi Province, Institute of Xi'an Blood Bank, Xi'an, Shaanxi, 710061, China
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2
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Lomelí-Nieto JA, Muñoz-Valle JF, Baños-Hernández CJ, Navarro-Zarza JE, Godínez-Rubí JM, García-Arellano S, Ramírez-Dueñas MG, Parra-Rojas I, Villanueva-Pérez A, Hernández-Bello J. Transforming growth factor beta isoforms and TGF-βR1 and TGF-βR2 expression in systemic sclerosis patients. Clin Exp Med 2022; 23:471-481. [DOI: 10.1007/s10238-022-00841-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 05/09/2022] [Indexed: 11/03/2022]
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3
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Naito T, Okada Y. HLA imputation and its application to genetic and molecular fine-mapping of the MHC region in autoimmune diseases. Semin Immunopathol 2021; 44:15-28. [PMID: 34786601 PMCID: PMC8837514 DOI: 10.1007/s00281-021-00901-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 10/22/2021] [Indexed: 12/19/2022]
Abstract
Variations of human leukocyte antigen (HLA) genes in the major histocompatibility complex region (MHC) significantly affect the risk of various diseases, especially autoimmune diseases. Fine-mapping of causal variants in this region was challenging due to the difficulty in sequencing and its inapplicability to large cohorts. Thus, HLA imputation, a method to infer HLA types from regional single nucleotide polymorphisms, has been developed and has successfully contributed to MHC fine-mapping of various diseases. Different HLA imputation methods have been developed, each with its own advantages, and recent methods have been improved in terms of accuracy and computational performance. Additionally, advances in HLA reference panels by next-generation sequencing technologies have enabled higher resolution and a more reliable imputation, allowing a finer-grained evaluation of the association between sequence variations and disease risk. Risk-associated variants in the MHC region would affect disease susceptibility through complicated mechanisms including alterations in peripheral responses and central thymic selection of T cells. The cooperation of reliable HLA imputation methods, informative fine-mapping, and experimental validation of the functional significance of MHC variations would be essential for further understanding of the role of the MHC in the immunopathology of autoimmune diseases.
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Affiliation(s)
- Tatsuhiko Naito
- Department of Statistical Genetics, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Osaka, Suita, 565-0871, Japan.
- Department of Neurology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
| | - Yukinori Okada
- Department of Statistical Genetics, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Osaka, Suita, 565-0871, Japan
- Laboratory of Statistical Immunology, Immunology Frontier Research Center (WPI-IFReC), Osaka University, Suita, Japan
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Japan
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4
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Ferri C, Arcangeletti MC, Caselli E, Zakrzewska K, Maccari C, Calderaro A, D'Accolti M, Soffritti I, Arvia R, Sighinolfi G, Artoni E, Giuggioli D. Insights into the knowledge of complex diseases: Environmental infectious/toxic agents as potential etiopathogenetic factors of systemic sclerosis. J Autoimmun 2021; 124:102727. [PMID: 34601207 DOI: 10.1016/j.jaut.2021.102727] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 09/16/2021] [Accepted: 09/17/2021] [Indexed: 12/14/2022]
Abstract
Systemic sclerosis (SSc) is a connective tissue disease secondary to three cardinal pathological features: immune-system alterations, diffuse microangiopathy, and fibrosis involving the skin and internal organs. The etiology of SSc remains quite obscure; it may encompass multiple host genetic and environmental -infectious/chemical-factors. The present review focused on the potential role of environmental agents in the etiopathogenesis of SSc based on epidemiological, clinical, and laboratory investigations previously published in the world literature. Among infectious agents, some viruses that may persist and reactivate in infected individuals, namely human cytomegalovirus (HCMV), human herpesvirus-6 (HHV-6), and parvovirus B19 (B19V), and retroviruses have been proposed as potential causative agents of SSc. These viruses share a number of biological activities and consequent pathological alterations, such as endothelial dysfunction and/or fibroblast activation. Moreover, the acute worsening of pre-existing interstitial lung involvement observed in SSc patients with symptomatic SARS-CoV-2 infection might suggest a potential role of this virus in the overall disease outcome. A variety of chemical/occupational agents might be regarded as putative etiological factors of SSc. In this setting, the SSc complicating silica dust exposure represents one of the most promising models of study. Considering the complexity of SSc pathogenesis, none of suggested causative factors may explain the appearance of the whole SSc; it is likely that the disease is the result of a multifactorial and multistep pathogenetic process. A variable combination of potential etiological factors may modulate the appearance of different clinical phenotypes detectable in individual scleroderma patients. The in-deep investigations on the SSc etiopathogenesis may provide useful insights in the broad field of human diseases characterized by diffuse microangiopathy or altered fibrogenesis.
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Affiliation(s)
- Clodoveo Ferri
- Rheumatology Unit, Medical School, University of Modena and Reggio E, University-Hospital Policlinico of Modena, Modena, Italy; Rheumatology Unit, Casa di Cura Madonna dello Scoglio, Cotronei (KR), Italy.
| | | | - Elisabetta Caselli
- Section of Microbiology, Department of Chemical, Pharmaceutical and Agricultural Sciences and LTTA, University of Ferrara, Ferrara, Italy
| | - Krystyna Zakrzewska
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Clara Maccari
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Adriana Calderaro
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Maria D'Accolti
- Section of Microbiology, Department of Chemical, Pharmaceutical and Agricultural Sciences and LTTA, University of Ferrara, Ferrara, Italy
| | - Irene Soffritti
- Section of Microbiology, Department of Chemical, Pharmaceutical and Agricultural Sciences and LTTA, University of Ferrara, Ferrara, Italy
| | - Rosaria Arvia
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Gianluca Sighinolfi
- Rheumatology Unit, Medical School, University of Modena and Reggio E, University-Hospital Policlinico of Modena, Modena, Italy.
| | - Erica Artoni
- Rheumatology Unit, Medical School, University of Modena and Reggio E, University-Hospital Policlinico of Modena, Modena, Italy
| | - Dilia Giuggioli
- Rheumatology Unit, Medical School, University of Modena and Reggio E, University-Hospital Policlinico of Modena, Modena, Italy
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Abstract
Natural Killer (NK) cells are key effectors of the innate immune system which represent the first line of defense against viral infections. NK cell activation depends on the engagement of a complex receptor repertoire expressed on their surface, consisting of both activating and inhibitory receptors. Among the known NK cell receptors, the family of killer Ig-like receptors (KIRs) consists in activating/inhibitory receptors that interact with specific human leukocyte antigen (HLA) molecules expressed on target cells. In particular, the expression of peculiar KIRs have been reported to be associated to viral infection susceptibility. Interestingly, a significant association between the development and onset of different human pathologies, such as tumors, neurodegeneration and infertility, and a clonal KIRs expression on NK cells has been described in presence of viral infections, supporting the crucial role of KIRs in defining the effect of viral infections in different tissues and organs. This review aims to report the state of art about the role of KIRs receptors in NK cell activation and viral infection control.
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Coexistence of inhibitory and activating killer-cell immunoglobulin-like receptors to the same cognate HLA-C2 and Bw4 ligands confer breast cancer risk. Sci Rep 2021; 11:7932. [PMID: 33846431 PMCID: PMC8041876 DOI: 10.1038/s41598-021-86964-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 03/17/2021] [Indexed: 02/01/2023] Open
Abstract
Human leukocyte antigen (HLA) class I-specific killer-cell immunoglobulin-like receptors (KIR) regulate natural killer (NK) cell function in eliminating malignancy. Breast cancer (BC) patients exhibit reduced NK-cytotoxicity in peripheral blood. To test the hypothesis that certain KIR-HLA combinations impairing NK-cytotoxicity predispose to BC risk, we analyzed KIR and HLA polymorphisms in 162 women with BC and 278 controls. KIR-Bx genotypes increased significantly in BC than controls (83.3% vs. 71.9%, OR 1.95), and the increase was more pronounced in advanced-cancer (OR 5.3). No difference was observed with inhibitory KIR (iKIR) and HLA-ligand combinations. The activating KIR (aKIR) and HLA-ligand combinations, 2DS1 + C2 (OR 2.98) and 3DS1 + Bw4 (OR 2.6), were significantly increased in advanced-BC. All patients with advanced-cancer carrying 2DS1 + C2 or 3DS1 + Bw4 also have their iKIR counterparts 2DL1 and 3DL1, respectively. Contrarily, the 2DL1 + C2 and 3DL1 + Bw4 pairs without their aKIR counterparts are significantly higher in controls. These data suggest that NK cells expressing iKIR to the cognate HLA-ligands in the absence of putative aKIR counterpart are instrumental in antitumor response. These data provide a new framework for improving the utility of genetic risk scores for individualized surveillance.
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Liu B, Shao Y, Fu R. Current research status of HLA in immune-related diseases. IMMUNITY INFLAMMATION AND DISEASE 2021; 9:340-350. [PMID: 33657268 PMCID: PMC8127548 DOI: 10.1002/iid3.416] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 02/13/2021] [Accepted: 02/16/2021] [Indexed: 02/06/2023]
Abstract
Human leukocyte antigen (HLA), also known as human major histocompatibility complex (MHC), is encoded by the HLA gene complex, and is currently known to have the highest gene density and the most polymorphisms among human chromosomal areas. HLA is divided into class I antigens, class II antigens, and class III antigens according to distribution and function. Classical HLA class I antigens include HLA-A, HLA-B, and HLA-C; HLA class II antigens include HLA-DP, HLA-DQ, and HLA-DR; nonclassical HLA class I and II molecules include HLA-F, E, H, X, DN, DO, and DM; and others, such as complement, are class III antigens. HLA is closely related to the body's immune response, regulation, and surveillance and is of great significance in the study of autoimmune diseases, tumor immunity, organ transplantation, and reproductive immunity. HLA is an important research topic that bridges immunology and clinical diseases. With the development of research methods and technologies, there will be more discoveries and broader prospects.
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Affiliation(s)
- Bingnan Liu
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, PR China
| | - Yuanyuan Shao
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, PR China
| | - Rong Fu
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, PR China
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Gianchecchi E, Delfino DV, Fierabracci A. Natural Killer Cells: Potential Biomarkers and Therapeutic Target in Autoimmune Diseases? Front Immunol 2021; 12:616853. [PMID: 33679757 PMCID: PMC7933577 DOI: 10.3389/fimmu.2021.616853] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 01/21/2021] [Indexed: 12/20/2022] Open
Abstract
Autoimmune diseases recognize a multifactorial pathogenesis, although the exact mechanism responsible for their onset remains to be fully elucidated. Over the past few years, the role of natural killer (NK) cells in shaping immune responses has been highlighted even though their involvement is profoundly linked to the subpopulation involved and to the site where such interaction takes place. The aberrant number and functionality of NK cells have been reported in several different autoimmune disorders. In the present review, we report the most recent findings regarding the involvement of NK cells in both systemic and organ-specific autoimmune diseases, including type 1 diabetes (T1D), primary biliary cholangitis (PBC), systemic sclerosis, systemic lupus erythematosus (SLE), primary Sjögren syndrome, rheumatoid arthritis, and multiple sclerosis. In T1D, innate inflammation induces NK cell activation, disrupting the Treg function. In addition, certain genetic variants identified as risk factors for T1D influenced the activation of NK cells promoting their cytotoxic activity. The role of NK cells has also been demonstrated in the pathogenesis of PBC mediating direct or indirect biliary epithelial cell destruction. NK cell frequency and number were enhanced in both the peripheral blood and the liver of patients and associated with increased NK cell cytotoxic activity and perforin expression levels. NK cells were also involved in the perpetuation of disease through autoreactive CD4 T cell activation in the presence of antigen-presenting cells. In systemic sclerosis (SSc), in addition to phenotypic abnormalities, patients presented a reduction in CD56hi NK-cells. Moreover, NK cells presented a deficient killing activity. The influence of the activating and inhibitory killer cell immunoglobulin-like receptors (KIRs) has been investigated in SSc and SLE susceptibility. Furthermore, autoantibodies to KIRs have been identified in different systemic autoimmune conditions. Because of its role in modulating the immune-mediated pathology, NK subpopulation could represent a potential marker for disease activity and target for therapeutic intervention.
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Affiliation(s)
- Elena Gianchecchi
- VisMederi srl, Siena, Italy.,Infectivology and Clinical Trials Research Area, Primary Immunodeficiencies Research Unit, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Domenico V Delfino
- Section of Pharmacology, Department of Medicine, University of Perugia, Perugia, Italy
| | - Alessandra Fierabracci
- Infectivology and Clinical Trials Research Area, Primary Immunodeficiencies Research Unit, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
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9
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Yang X, Yang E, Wang WJ, He Q, Jubiz G, Katukurundage D, Dambaeva S, Beaman K, Kwak-Kim J. Decreased HLA-C1 alleles in couples of KIR2DL2 positive women with recurrent pregnancy loss. J Reprod Immunol 2020; 142:103186. [PMID: 32846355 DOI: 10.1016/j.jri.2020.103186] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 08/03/2020] [Accepted: 08/08/2020] [Indexed: 12/11/2022]
Abstract
Specific killer cell immunoglobulin-like receptor (KIR) in women with recurrent pregnancy loss (RPL) and HLA ligands in couples invoke a susceptibility to RPL. However, the relationship between KIR2DL2 and its cognate ligand HLA-C1 has not been explored. In this prospective cohort study, 160 Caucasian women with RPL and 99 partners were included. KIR/HLA-C typing, NK assay, Th1/Th2 intracellular cytokine ratios, 25-(OH)-vitamin D level, and the presence of autoantibodies were analyzed. KIR2DL2 positive women (P = 0.023) and their partners (P = 0.017) had lower allele frequencies of HLA-C1 than those of KIR2DL2 negative women. KIR2DL2 positive women had significantly lower genotype frequency of HLA-C1C1 as compared to the North American Caucasian population controls (P < 0.05). In the partners of KIR2DL2 positive women, there was a substantially higher frequency of HLA-C2C2 than controls (P = 0.016). Besides, KIR2DL2 negative women had a higher prevalence of anti-ssDNA antibody as compared with that of KIR2DL2 positive women (P = 0.043). There were no differences in the distribution of HLA-C genotypes based on KIR2DL2, regardless of pregnancy outcome in women with RPL and their partners while on immunomodulation treatment. In conclusion, decreased ligands for inhibitory KIRs (inhKIR) could lead to insufficient inhibition of maternal uterine NK cells toward the trophoblast, thereby contributing to the pathogenesis of RPL. Specific KIR and HLA-C genotyping may predict the reproductive outcome of women with RPL.
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Affiliation(s)
- Xiuhua Yang
- Reproductive Medicine and Immunology, Department of Obstetrics and Gynecology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, Vernon Hills, 60061, IL, USA; Clinical Immunology Laboratory, Department of Microbiology and Immunology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, 60064, IL, USA; Department of Obstetrics, The First Hospital of China Medical University, Shenyang, 110001, Liaoning, China
| | - Ellen Yang
- Reproductive Medicine and Immunology, Department of Obstetrics and Gynecology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, Vernon Hills, 60061, IL, USA; Clinical Immunology Laboratory, Department of Microbiology and Immunology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, 60064, IL, USA
| | - Wen-Juan Wang
- Reproductive Medicine and Immunology, Department of Obstetrics and Gynecology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, Vernon Hills, 60061, IL, USA; Clinical Immunology Laboratory, Department of Microbiology and Immunology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, 60064, IL, USA
| | - Qiaohua He
- Reproductive Medicine and Immunology, Department of Obstetrics and Gynecology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, Vernon Hills, 60061, IL, USA; Clinical Immunology Laboratory, Department of Microbiology and Immunology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, 60064, IL, USA
| | - Giovanni Jubiz
- Reproductive Medicine and Immunology, Department of Obstetrics and Gynecology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, Vernon Hills, 60061, IL, USA; Clinical Immunology Laboratory, Department of Microbiology and Immunology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, 60064, IL, USA
| | - Dimantha Katukurundage
- Clinical Immunology Laboratory, Department of Microbiology and Immunology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, 60064, IL, USA
| | - Svetlana Dambaeva
- Clinical Immunology Laboratory, Department of Microbiology and Immunology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, 60064, IL, USA
| | - Kenneth Beaman
- Clinical Immunology Laboratory, Department of Microbiology and Immunology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, 60064, IL, USA
| | - Joanne Kwak-Kim
- Reproductive Medicine and Immunology, Department of Obstetrics and Gynecology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, Vernon Hills, 60061, IL, USA; Clinical Immunology Laboratory, Department of Microbiology and Immunology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, 60064, IL, USA.
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10
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Graciano-Machuca O, Alvarado-Navarro A, Ramírez-Dueñas MG, Villanueva-Quintero DG, Velarde-de la Cruz EE, Machado-Sulbarán AC, Montoya-Buelna M, Sánchez-Hernández PE. Diversity of KIR/HLA Genotypes and Their Association with Psoriasis Vulgaris in the Western Mexican Population. Genes (Basel) 2020; 11:E338. [PMID: 32235781 PMCID: PMC7141133 DOI: 10.3390/genes11030338] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 03/10/2020] [Accepted: 03/20/2020] [Indexed: 11/17/2022] Open
Abstract
NK and some T cell functions are regulated by the interaction between KIR and HLA molecules. Several studies have shown an association between activating KIR genes and the development of autoimmune diseases, including psoriasis vulgaris (PsV). Our objective was to determine the association between KIR/HLA genes and genotypes with PsV in the Western mestizo Mexican population. One hundred subjects diagnosed with PsV (SP) and 108 healthy subjects (HS) were genotyped for 14 KIR genes, HLA-Bw4, HLA-C1, and HLA-C2 by PCR-single specific primer (SSP). Positive associations of the KIR3DS1 gene (odds ratio (OR) 1.959, p = 0.021), G11 genotype (OR 19.940, p = 0.008), and KIR3DS1/HLA-ABw4 (OR 2.265, p = 0.009) were found with susceptibility to PsV. In contrast, the G1 genotype (OR 0.448, p = 0.031) and KIR3DL1/HLA-Bw4Ile80 (OR 0.522, p = 0.022) were negatively associated with susceptibility to this disease. These results suggest an implication of the KIR3DS1/HLA-ABw4 genotype in PsV pathology.
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Affiliation(s)
- Omar Graciano-Machuca
- Doctorate in Biomedical Sciences, Department of Physiology, University Center of Health Sciences (CUCS), University of Guadalajara (UDG), Guadalajara, Jal. 44340, Mexico
- Laboratory of Biological Systems, Department of Health Sciences, University Center of the Valleys (CUVALLES), UDG, Ameca, Jal. 4660, Mexico
| | - Anabell Alvarado-Navarro
- Research Center in Immunology and Dermatology, Department of Physiology, CUCS, UDG, Guadalajara, Jal. 44340, Mexico
| | | | - Delfina Guadalupe Villanueva-Quintero
- Jalisco Dermatology Institute "Dr. José Barba Rubio", Ministry of Health; Zapopan, Jal. 45190, Mexico
- Inflammatory Diseases Care Center, Guadalajara, Jal. 44630, Mexico
| | - Erandi Enif Velarde-de la Cruz
- Doctorate in Biomedical Sciences, Department of Physiology, University Center of Health Sciences (CUCS), University of Guadalajara (UDG), Guadalajara, Jal. 44340, Mexico
| | - Andrea Carolina Machado-Sulbarán
- Doctorate in Biomedical Sciences, Department of Physiology, University Center of Health Sciences (CUCS), University of Guadalajara (UDG), Guadalajara, Jal. 44340, Mexico
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11
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Karimizadeh E, Mostafaei S, Aslani S, Gharibdoost F, Xavier RM, Salim PH, Kavosi H, Farhadi E, Mahmoudi M. Evaluation of the association between KIR polymorphisms and systemic sclerosis: a meta-analysis. Adv Rheumatol 2020; 60:8. [PMID: 31924272 DOI: 10.1186/s42358-019-0107-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Accepted: 12/23/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The results of investigations on the association between killer cell immunoglobulin-like receptor (KIR) gene polymorphisms and the risk of systemic sclerosis (SSc) are inconsistent. To comprehensively evaluate the influence of KIR polymorphisms on the risk of SSc, this meta-analysis was performed. METHODS A systematic literature search was performed in electronic databases including Scopus and PubMed/MEDLINE to find all available studies involving KIR gene family polymorphisms and SSc risk prior to July 2019. Pooled odds ratios (ORs) and their corresponding 95% confidence intervals (CIs) were measured to detect associations between KIR gene family polymorphisms and SSc risk. RESULTS Five articles, comprising 571 patients and 796 healthy participants, evaluating the KIR gene family polymorphisms were included in the final meta-analysis according to the inclusion and exclusion criteria, and 16 KIR genes were assessed. None of the KIR genes were significantly associated with the risk of SSc. CONCLUSIONS The current meta-analysis provides evidence that KIR genes might not be potential risk factors for SSc risk.
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Affiliation(s)
- Elham Karimizadeh
- Rheumatology Research Center, Tehran University of Medical Sciences, Shariati Hospital, Kargar Ave, Tehran, Iran
| | - Shayan Mostafaei
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Saeed Aslani
- Rheumatology Research Center, Tehran University of Medical Sciences, Shariati Hospital, Kargar Ave, Tehran, Iran
| | - Farhad Gharibdoost
- Rheumatology Research Center, Tehran University of Medical Sciences, Shariati Hospital, Kargar Ave, Tehran, Iran
| | - Ricardo Machado Xavier
- Universidade Federal do Rio Grande do Sul, Serviço de Reumatologia, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Patricia Hartstein Salim
- Universidade Federal do Rio Grande do Sul, Serviço de Reumatologia, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Hoda Kavosi
- Rheumatology Research Center, Tehran University of Medical Sciences, Shariati Hospital, Kargar Ave, Tehran, Iran
| | - Elham Farhadi
- Rheumatology Research Center, Tehran University of Medical Sciences, Shariati Hospital, Kargar Ave, Tehran, Iran. .,Inflammation Research Center, Tehran University of Medical Sciences, Tehran, Iran.
| | - Mahdi Mahmoudi
- Rheumatology Research Center, Tehran University of Medical Sciences, Shariati Hospital, Kargar Ave, Tehran, Iran. .,Inflammation Research Center, Tehran University of Medical Sciences, Tehran, Iran.
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12
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Caselli E, Soffritti I, D’Accolti M, Bortolotti D, Rizzo R, Sighinolfi G, Giuggioli D, Ferri C. HHV-6A Infection and Systemic Sclerosis: Clues of a Possible Association. Microorganisms 2019; 8:microorganisms8010039. [PMID: 31878218 PMCID: PMC7022325 DOI: 10.3390/microorganisms8010039] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 12/20/2019] [Indexed: 12/11/2022] Open
Abstract
Systemic sclerosis (SSc) is an autoimmune disease characterized by vasculopathy, excessive extracellular matrix deposition, and fibrosis of the skin and internal organs. Several infectious agents, including human herpesvirus-6 (HHV-6), have been suggested as possible triggering factors, but a direct association is still missing. We characterized 26 SSc patients for the presence of HHV-6 in tissues and blood, the anti-HHV-6 response, HLA-G plasma levels, and KIR typing. Given the prominent role of endothelial cells (EC) in SSc pathogenesis, along with HHV-6 tropism for EC, we also investigated the expression of pro-fibrosis factors in HHV-6 infected EC. Results showed the presence of HHV-6A in skin biopsies, and an increased virus load was associated with disease severity and poor natural killer (NK) response against the virus, particularly in subjects exhibiting a KIR2 phenotype. HLA-G plasma levels were significantly higher in HHV-6A/B-KIR2 positive SSc patients and in vitro HHV-6A infection-induced pro-fibrosis factors expression in EC, supporting its role in the development of the fibrosing process. Our data suggest an association between virus infection/reactivation and disease, opening the way to future studies to understand the mechanisms by which HHV-6A might contribute to the multifactorial pathogenesis of SSc.
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Affiliation(s)
- Elisabetta Caselli
- Section of Microbiology and Medical Genetics, Department of Chemical and Pharmaceutical Sciences, University of Ferrara, 44121 Ferrara, Italy
- Correspondence: ; Tel.: +39-0532-455387
| | - Irene Soffritti
- Section of Microbiology and Medical Genetics, Department of Chemical and Pharmaceutical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Maria D’Accolti
- Section of Microbiology and Medical Genetics, Department of Chemical and Pharmaceutical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Daria Bortolotti
- Section of Microbiology and Medical Genetics, Department of Chemical and Pharmaceutical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Roberta Rizzo
- Section of Microbiology and Medical Genetics, Department of Chemical and Pharmaceutical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Gianluca Sighinolfi
- Rheumatology Unit, Medical School, University of Modena and Reggio Emilia, University-Hospital Policlinico of Modena, 41121 Modena, Italy
| | - Dilia Giuggioli
- Rheumatology Unit, Medical School, University of Modena and Reggio Emilia, University-Hospital Policlinico of Modena, 41121 Modena, Italy
| | - Clodoveo Ferri
- Rheumatology Unit, Medical School, University of Modena and Reggio Emilia, University-Hospital Policlinico of Modena, 41121 Modena, Italy
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