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Vollmers S, Lobermeyer A, Körner C. The New Kid on the Block: HLA-C, a Key Regulator of Natural Killer Cells in Viral Immunity. Cells 2021; 10:cells10113108. [PMID: 34831331 PMCID: PMC8620871 DOI: 10.3390/cells10113108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/04/2021] [Accepted: 11/05/2021] [Indexed: 11/01/2022] Open
Abstract
The human leukocyte antigen system (HLA) is a cluster of highly polymorphic genes essential for the proper function of the immune system, and it has been associated with a wide range of diseases. HLA class I molecules present intracellular host- and pathogen-derived peptides to effector cells of the immune system, inducing immune tolerance in healthy conditions or triggering effective immune responses in pathological situations. HLA-C is the most recently evolved HLA class I molecule, only present in humans and great apes. Differentiating from its older siblings, HLA-A and HLA-B, HLA-C exhibits distinctive features in its expression and interaction partners. HLA-C serves as a natural ligand for multiple members of the killer-cell immunoglobulin-like receptor (KIR) family, which are predominately expressed by natural killer (NK) cells. NK cells are crucial for the early control of viral infections and accumulating evidence indicates that interactions between HLA-C and its respective KIR receptors determine the outcome and progression of viral infections. In this review, we focus on the unique role of HLA-C in regulating NK cell functions and its consequences in the setting of viral infections.
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Ursu LD, Calenic B, Diculescu M, Dima A, Stoian IT, Constantinescu I. Clinical and histopathological changes in different KIR gene profiles in chronic HCV Romanian patients. Int J Immunogenet 2020; 48:16-24. [PMID: 32961633 DOI: 10.1111/iji.12515] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/27/2020] [Accepted: 09/02/2020] [Indexed: 11/30/2022]
Abstract
Hepatitis C virus (HCV)-infected individuals may have a faster progression of liver fibrosis, cirrhosis and hepatocellular carcinoma (HCC) development when influenced by host, viral and environmental factors. Hepatitis C virus disease progression is also associated with genetic variants of specific killer cell immunoglobulin-like receptors (KIRs) and genes of the major histocompatibility complex (MHC). The aim of the present study was to correlate clinical, virologic and biochemical parameters and to evaluate the possible influence of KIR genes and their HLA class I ligands in patients infected with hepatitis C virus. The present study analysed a total of 127 chronic HCV-infected patients for various biochemical and genetics factors that can influence disease progression and prognosis. Liver function parameters such as alanine aminotransferase (ALT), aspartate aminotransferase (AST), gamma-glutamyl transferase (GGT), direct bilirubin (DB), alpha-fetoprotein (AFP), HCV RNA levels and fibrosis indices were analysed using well-established biochemical methods. At the same time, KIR and HLA genotyping was performed using a polymerase chain reaction sequence-specific primer technique. Analysis of HLA class I and HLA ligands revealed that HLA-C*12:02 and HLA-A3 and HLA-A11 were positively associated with the F3-F4 fibrosis group (p = .026; OR = 8.717, CI = 1.040-73.077; respectively, p = .047; OR = 2.187; 95% CI = 1.066-4.486). KIR2DL2-positive patients had high median levels of AST after treatment and direct bilirubin levels when compared to KIR2DL2-negative patients (p = .013, respectively, p = .028). KIR2DL2/KIR2DL2-C1C1 genotype was associated with increased AST, ALT and GGT levels. A higher GGT level was also observed in KIR2DS2-C1-positive patients when compared to KIR2DS2-C1-negative patients. The present research demonstrates several links between specific clinical, virologic and biochemical parameters and the expression of KIR genes and their HLA ligands in HCV-infected patients. These connections should be taken into account when considering disease development and treatment.
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Affiliation(s)
- Larisa Denisa Ursu
- Centre for Immunogenetics and Virology, Fundeni Clinical Institute, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Bogdan Calenic
- Department of Biochemistry, Faculty of Dental Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Mircea Diculescu
- Gastroenterology and Hepatology Department, Fundeni Clinical Institute, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Alina Dima
- Rheumatology Department, Colentina Clinical Hospital, Bucharest, Romania
| | - Iulia Teodora Stoian
- Centre for Immunogenetics and Virology, Fundeni Clinical Institute, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Ileana Constantinescu
- Centre for Immunogenetics and Virology, Fundeni Clinical Institute, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
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Hu S, Yuan F, Feng L, Zheng F, Gong F, Huang H, Sun B. KIR2DL2/C1 is a Risk Factor for Chronic Infection and Associated with Non-response to PEG-IFN and RBV Combination Therapy in Hepatitis C Virus Genotype 1b Patients in China. Virol Sin 2018; 33:369-372. [PMID: 30039498 DOI: 10.1007/s12250-018-0042-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Accepted: 06/14/2018] [Indexed: 12/24/2022] Open
Affiliation(s)
- Song Hu
- Medical College, Jianghan University, Wuhan, 430056, China
| | - Fahu Yuan
- Medical College, Jianghan University, Wuhan, 430056, China
| | - Lingyan Feng
- Medical College, Jianghan University, Wuhan, 430056, China
| | - Fang Zheng
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Feili Gong
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Hanju Huang
- Department of Pathogen Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Binlian Sun
- Medical College, Jianghan University, Wuhan, 430056, China.
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Frias M, Rivero-Juárez A, López-López P, Rivero A. Pharmacogenetics and the treatment of HIV-/HCV-coinfected patients. Pharmacogenomics 2018; 19:979-995. [PMID: 29992850 DOI: 10.2217/pgs-2018-0046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
This review will summarize the role of pharmacogenetics in the natural history of hepatitis C, particularly in patients with HIV/HCV and will take the perspective of pharmacogenetics and its influence on the response to antiviral therapy and the susceptibility to develop adverse effects. This review will also devote a section to host genetics in other clinical situations, such as disease progression and acute HCV infection, which may determine whether treatment of HIV-/HCV-coinfected patients is implemented or deferred.
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Affiliation(s)
- Mario Frias
- Department of Clinical Virology & Zooneses, Hospital Universitario Reina Sofía de Córdoba, Instituto Maimonides de Investigación Biomédica de Córdoba (IMIBIC), Universidad de Córdoba. Córdoba, 14004, Spain
| | - Antonio Rivero-Juárez
- Department of Clinical Virology & Zooneses, Hospital Universitario Reina Sofía de Córdoba, Instituto Maimonides de Investigación Biomédica de Córdoba (IMIBIC), Universidad de Córdoba. Córdoba, 14004, Spain
| | - Pedro López-López
- Department of Clinical Virology & Zooneses, Hospital Universitario Reina Sofía de Córdoba, Instituto Maimonides de Investigación Biomédica de Córdoba (IMIBIC), Universidad de Córdoba. Córdoba, 14004, Spain
| | - Antonio Rivero
- Department of Clinical Virology & Zooneses, Hospital Universitario Reina Sofía de Córdoba, Instituto Maimonides de Investigación Biomédica de Córdoba (IMIBIC), Universidad de Córdoba. Córdoba, 14004, Spain
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Assone T, Paiva A, Fonseca LAM, Casseb J. Genetic Markers of the Host in Persons Living with HTLV-1, HIV and HCV Infections. Viruses 2016; 8:v8020038. [PMID: 26848682 PMCID: PMC4776193 DOI: 10.3390/v8020038] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Revised: 01/11/2016] [Accepted: 01/15/2016] [Indexed: 12/21/2022] Open
Abstract
Human T-cell leukemia virus type 1 (HTLV-1), hepatitis C virus (HCV) and human immunodeficiency virus type 1 (HIV-1) are prevalent worldwide, and share similar means of transmission. These infections may influence each other in evolution and outcome, including cancer or immunodeficiency. Many studies have reported the influence of genetic markers on the host immune response against different persistent viral infections, such as HTLV-1 infection, pointing to the importance of the individual genetic background on their outcomes. However, despite recent advances on the knowledge of the pathogenesis of HTLV-1 infection, gaps in the understanding of the role of the individual genetic background on the progress to disease clinically manifested still remain. In this scenario, much less is known regarding the influence of genetic factors in the context of dual or triple infections or their influence on the underlying mechanisms that lead to outcomes that differ from those observed in monoinfection. This review describes the main factors involved in the virus–host balance, especially for some particular human leukocyte antigen (HLA) haplotypes, and other important genetic markers in the development of HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) and other persistent viruses, such as HIV and HCV.
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Affiliation(s)
- Tatiane Assone
- Laboratory of Dermatology and Immune deficiencies, Department of Dermatology, University of São Paulo Medical School, LIM56, Av. Dr. Eneas de Carvalho Aguiar 500, 3rd Floor, Building II, São Paulo, SP, Brazil.
- Institute of Tropical Medicine of São Paulo, São Paulo, Brazil.
| | - Arthur Paiva
- Institute of Tropical Medicine of São Paulo, São Paulo, Brazil.
| | - Luiz Augusto M Fonseca
- Department of Preventive Medicine, University of São Paulo Medical School, São Paulo, Brazil.
| | - Jorge Casseb
- Laboratory of Dermatology and Immune deficiencies, Department of Dermatology, University of São Paulo Medical School, LIM56, Av. Dr. Eneas de Carvalho Aguiar 500, 3rd Floor, Building II, São Paulo, SP, Brazil.
- Institute of Tropical Medicine of São Paulo, São Paulo, Brazil.
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Affiliation(s)
- Jayajit Das
- Battelle Center for Mathematical Medicine; The Research Institute at the Nationwide Children's Hospital and the Departments of Pediatrics and Physics; The Ohio State University; Columbus OH USA
| | - Salim I. Khakoo
- Clinical and Experimental Sciences; Faculty of Medicine; University of Southampton; Southampton UK
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Mozer-Lisewska I, Zwolińska K, Kowala-Piaskowska AE, Bura M, Rozpłochowski B, Pauli A, Żeromski J, Piasecki E, Kuśnierczyk P. Genetic (KIR, HLA-C) and Some Clinical Parameters Influencing the Level of Liver Enzymes and Early Virologic Response in Patients with Chronic Hepatitis C. Arch Immunol Ther Exp (Warsz) 2015. [PMID: 26206121 PMCID: PMC4713718 DOI: 10.1007/s00005-015-0350-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Natural killer cells play an important role as effectors of innate immunity and regulators of adaptive immunity. They are important elements of the innate response to viral infections, which they detect using human leukocyte antigen (HLA) class I-binding receptors. Most polymorphic of these are killer cell immunoglobulin-like receptors (KIRs) which exist as two basic isotypes, activating or inhibitory receptors and are encoded by genes distributed differently in unrelated individuals. We searched for links between selected clinical data (including HCV viremia, liver enzymes level and liver histology parameters) and the presence of genes encoding these receptors and their ligands in hepatitis C virus-infected individuals subjected to pegylated interferon-α and ribavirin therapy. Genomic DNA samples from two hundred and ninety-two chronically infected patients were typed by polymerase chain reaction for the presence or absence of genes for KIRs and their ligands, class I HLA molecules, and clinical data of the patients were collected. Our results suggest an importance of clinical parameters and the contribution of KIR and HLA genes to the course of hepatitis C virus infection and the response to therapy. The study revealed that levels of liver enzymes before therapy were about 30 % higher in patients who possessed a variant KIR2DS4 gene with 22-base pair deletion. Decrease of ALT activity after treatment was higher in HLA-C C2-positive than negative individuals. Beside it, patients demonstrated early virologic response to the therapy if the time lag before treatment was short, particularly in women.
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Affiliation(s)
- Iwona Mozer-Lisewska
- Chair and Department of Infectious Diseases, Karol Marcinkowski University of Medical Sciences, Poznan, Poland
| | - Katarzyna Zwolińska
- Laboratory of Virology, Department of Immunology of Infectious Diseases, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, ul. Rudolfa Weigla 12, 53-114, Wrocław, Poland.
| | | | - Maciej Bura
- Chair and Department of Infectious Diseases, Karol Marcinkowski University of Medical Sciences, Poznan, Poland
| | - Błażej Rozpłochowski
- Chair and Department of Infectious Diseases, Karol Marcinkowski University of Medical Sciences, Poznan, Poland
| | - Anna Pauli
- Chair and Department of Infectious Diseases, Karol Marcinkowski University of Medical Sciences, Poznan, Poland
| | - Jan Żeromski
- Chair of Clinical Immunology, Karol Marcinkowski University of Medical Sciences, Poznan, Poland
| | - Egbert Piasecki
- Laboratory of Virology, Department of Immunology of Infectious Diseases, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, ul. Rudolfa Weigla 12, 53-114, Wrocław, Poland
| | - Piotr Kuśnierczyk
- Laboratory of Immunogenetics and Tissue Immunology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, ul. Rudolfa Weigla 12, 53-114, Wrocław, Poland.
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Buchanan R, Hydes T, Khakoo SI. Innate and adaptive genetic pathways in HCV infection. TISSUE ANTIGENS 2015; 85:231-40. [PMID: 25708172 DOI: 10.1111/tan.12540] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Infection with hepatitis C virus (HCV) leads to a wide spectrum of clinical manifestations. This heterogeneity is underpinned by the host immune response and the genetic factors that govern it. Polymorphisms affecting both the innate and adaptive immunity determine the outcome of exposure. However the innate immune system appears to play a greater role in determining treatment-associated responses. Overall the effects of IFNL3/4 appear dominant over other polymorphic genes. Understanding how host genetics determines the disease phenotype has not been as intensively studied. This review summarizes our current understanding of innate and adaptive immunogenetic factors in the outcome of HCV infection. It focuses on how they relate to resolution and the progression of HCV-related liver disease, in the context of current and future treatment regimes.
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Affiliation(s)
- R Buchanan
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
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Kuśnierczyk P, Mozer-Lisewska I, Zwolińska K, Kowala-Piaskowska AE, Bura M, Bereszyńska I, Pauli A, Żeromski J. Contribution of genes for killer cell immunoglobulin-like receptors (KIR) to the susceptibility to chronic hepatitis C virus infection and to viremia. Hum Immunol 2015; 76:102-8. [PMID: 25636579 DOI: 10.1016/j.humimm.2015.01.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 11/28/2014] [Accepted: 01/15/2015] [Indexed: 02/06/2023]
Abstract
BACKGROUND Natural killer (NK) cells are an important element of innate immunity against viruses, although their numbers decrease in the liver during chronic HCV infection. NK cells express a large panel of inhibitory and activating receptors. The most polymorphic of these are killer cell immunoglobulin-like receptors (KIRs) which are encoded by multiple genes that may be present or absent in given individuals depending on their genotype. This variability results in differential susceptibility to viral infections and diseases, including HCV infection and its consequences. AIMS AND METHODS The aim of this study was to test whether chronical infection with HCV and the viremia levels are associated with any KIR gene in the Polish population. We typed 301 chronically HCV-infected patients and 425 non-infected healthy individuals for the presence or absence of KIR genes and their ligands, HLA-C C1 and C2 groups as well as HLA-B and HLA-A Bw4-positive alleles. RESULTS We found that males, but not females, possessing KIR2DS2 and KIR2DL2 genes had a 1.7 higher probability to become chronically HCV-infected than males negative for these genes (p=0.0213). In accord with this, centromeric B region, containing KIR2DS2 and KIR2DL2 genes, was also associated with chronic HCV infection in males. In addition, patients of both genders possessing KIR2DS3 but not KIR2DS5 gene exhibited, on average, 2.6 lower level of viremia than HCV-infected individuals with other genotypes (p=0.00282). This was evident in those infected at a young age. KIR2DS3-positive patients also had lower mean levels of bilirubin than KIR2DS3-negative ones (p=0.02862). CONCLUSION Our results suggest a contribution of the KIR2DS2 and KIR2DL2 genes (cenB haplotype) to the susceptibility to chronic HCV infection, and an association of the KIR2DS3 gene in the absence of KIR2DS5 with low viremia levels.
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Affiliation(s)
- Piotr Kuśnierczyk
- Laboratory of Immunogenetics and Tissue Immunology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland.
| | - Iwona Mozer-Lisewska
- Chair and Department of Infectious Diseases, Karol Marcinkowski University of Medical Sciences, Poznań, Poland
| | - Katarzyna Zwolińska
- Laboratory of Virology, Department of Immunology of Infectious Diseases, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
| | | | - Maciej Bura
- Chair and Department of Infectious Diseases, Karol Marcinkowski University of Medical Sciences, Poznań, Poland
| | - Iwona Bereszyńska
- Chair and Department of Infectious Diseases, Karol Marcinkowski University of Medical Sciences, Poznań, Poland
| | - Anna Pauli
- Chair and Department of Infectious Diseases, Karol Marcinkowski University of Medical Sciences, Poznań, Poland
| | - Jan Żeromski
- Chair of Clinical Immunology, Karol Marcinkowski University of Medical Sciences, Poznań, Poland
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Ivarsson MA, Michaëlsson J, Fauriat C. Activating killer cell Ig-like receptors in health and disease. Front Immunol 2014; 5:184. [PMID: 24795726 PMCID: PMC4001058 DOI: 10.3389/fimmu.2014.00184] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Accepted: 04/07/2014] [Indexed: 01/08/2023] Open
Abstract
Expression of non-rearranged HLA class I-binding receptors characterizes human and mouse NK cells. The postulation of the missing-self hypothesis some 30 years ago triggered the subsequent search and discovery of inhibitory MHC-receptors, both in humans and mice. These receptors have two functions: (i) to control the threshold for NK cell activation, a process termed “licensing” or “education,” and (ii) to inhibit NK cell activation during interactions with healthy HLA class I-expressing cells. The discovery of activating forms of KIRs (aKIR) challenged the concept of NK cell tolerance in steady state, as well as during immune challenge: what is the biological role of the activating KIR, in particular when NK cells express aKIRs in the absence of inhibitory receptors? Recently it was shown that aKIRs also participate in the education of NK cells. However, instead of lowering the threshold of activation like iKIRs, the expression of aKIRs has the opposite effect, i.e., rendering NK cells hyporesponsive. These findings may have consequences during NK cell response to viral infection, in cancer development, and in the initial stages of pregnancy. Here we review the current knowledge of activating KIRs, including the biological concept of aKIR-dependent NK cell education, and their impact in health and disease.
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Affiliation(s)
- Martin A Ivarsson
- Center for Infectious Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge , Stockholm , Sweden
| | - Jakob Michaëlsson
- Center for Infectious Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge , Stockholm , Sweden
| | - Cyril Fauriat
- U1068, CRCM, Immunity and Cancer, INSERM , Marseille , France ; Institut Paoli-Calmettes , Marseille , France ; UM 105, Aix-Marseille Université , Marseille , France ; UMR 7258, CNRS , Marseille , France ; U1068, CRCM, Plateforme d'Immunomonitoring en Cancérologie, INSERM , Marseille , France
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