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Babaie F, Mohammadi H, Salimi S, Ghanavatinegad A, Abbasifard M, Yousefi M, Hajaliloo M, Khalili Y, Zamanlou S, Safari R, Hemmatzadeh M, Rezaiemanesh A, Salimi R, Baradaran B, Babaloo Z. Inhibition of ERAP1 represses HLA-B27 free heavy chains expression on polarized macrophages and interrupts NK cells activation and function from ankylosing spondylitis. Clin Immunol 2023; 248:109268. [PMID: 36804470 DOI: 10.1016/j.clim.2023.109268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 01/27/2023] [Accepted: 01/30/2023] [Indexed: 02/18/2023]
Abstract
BACKGROUND We aimed to assess if Endoplasmic reticulum aminopeptidase 1 (ERAP1) polymorphisms might impress Human leukocyte antigen (HLA)-B27-free heavy chains (FHCs) expression on macrophages and eventually NK cell activation in Ankylosing spondylitis (AS). METHODS Blood samples were obtained from 10 HLAB27+ patients with protective and 10 HLAB27+ patients with non-protective genotype. Monocytes were isolated and polarized toward M1 and M2 macrophages. ERAP1 was inhibited in macrophages, which were then co-cultured with autologous NK cells. RESULTS Expression of HLA-B27-FHCs on M1 and M2 macrophages was reduced in patients with protective ERAP1 genotype. Co-culturing ERAP1-inhibited M1 macrophages and NK cells from patients with protective genotype resulted in downmodulation of CD69 and CD107a markers on NK cells and reduced number of IFN-γ+ NK cells compared to that of patients with non-protective genotypes. CONCLUSION Inhibition of ERAP1 activity, by diminishing NK activation, may have therapeutic value in treating AS patients.
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Affiliation(s)
- Farhad Babaie
- Cellular and Molecular Research Center, Cellular and Molecular Medicine Institute, Urmia University of Medical Sciences, Urmia, Iran; Department of Genetic and Immunology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Hamed Mohammadi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran; Department of Immunology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Sorayya Salimi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alireza Ghanavatinegad
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mitra Abbasifard
- Immunology of Infectious Diseases Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran; Department of Internal Medicine, Ali-Ibn Abi-Talib Hospital, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Mehdi Yousefi
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehrzad Hajaliloo
- Connective Tissue Research Center, Tabriz University of Medical Science, Iran
| | - Younes Khalili
- Iranian Social Security Organization, Emam Reza Hospital, Urmia, Iran
| | - Sajjad Zamanlou
- Iranian Social Security Organization, Emam Reza Hospital, Urmia, Iran
| | - Roghaiyeh Safari
- Department of Infectious Disease, Imperial College London, London, UK
| | - Maryam Hemmatzadeh
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alireza Rezaiemanesh
- Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Reza Salimi
- Research and Development (R&D) Department, RS, &RS Scientific, Belgium
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Zohreh Babaloo
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Connective Tissue Research Center, Tabriz University of Medical Science, Iran.
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Babaie F, Hosseinzadeh R, Ebrazeh M, Seyfizadeh N, Aslani S, Salimi S, Hemmatzadeh M, Azizi G, Jadidi-Niaragh F, Mohammadi H. The roles of ERAP1 and ERAP2 in autoimmunity and cancer immunity: New insights and perspective. Mol Immunol 2020; 121:7-19. [PMID: 32135401 DOI: 10.1016/j.molimm.2020.02.020] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 02/26/2020] [Accepted: 02/27/2020] [Indexed: 02/06/2023]
Abstract
Autoimmunity and cancer affect millions worldwide and both, in principal, result from dysregulated immune responses. There are many well-known molecules involved in immunological process playing as a double-edged sword, by which associating autoimmune diseases and cancer. In this regard, Endoplasmic reticulum aminopeptidases (ERAP) 1, which belongs to the M1 family of aminopeptidases, plays a central role as a "molecular ruler", proteolyzing of N-terminal of the antigenic peptides before their loading onto HLA-I molecules for antigen presentation in the Endoplasmic Reticulum (ER). Several genome-wide association studies (GWAS) highlighted the significance of ERAP1 and ERAP2 in autoimmune diseases, including Ankylosing spondylitis, Psoriasis, Bechet's disease, and Birdshot chorioretinopathy, as well as in cancers. The expression of ERAP1/2 is mostly altered in different cancers compared to normal cells, but how this affects anti-cancer immune responses and cancer growth has been little explored. Recent studies on the immunological outcomes and the catalytic functions of ERAP1 and ERAP2 have provided a better understanding of their potential pathogenetic role in autoimmunity and cancer. In this review, we summarize the role of ERAP1 and ERAP2 in the autoimmune diseases and cancer immunity based on the recent advances in GWAS studies.
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Affiliation(s)
- Farhad Babaie
- Department of Immunology and Genetic, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran; Cellular and Molecular Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - Ramin Hosseinzadeh
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehrdad Ebrazeh
- Department of Biology, Bonab Branch, Islamic Azad University, Bonab, Iran
| | - Narges Seyfizadeh
- Department of Medical Oncology, National Center for Tumor Diseases, Heidelberg University Hospital, Heidelberg, Germany
| | - Saeed Aslani
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Soraya Salimi
- Cellular and Molecular Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - Maryam Hemmatzadeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; Connective Tissue Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Gholamreza Azizi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Farhad Jadidi-Niaragh
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Mohammadi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran; Department of Immunology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran.
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3
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López de Castro JA. How ERAP1 and ERAP2 Shape the Peptidomes of Disease-Associated MHC-I Proteins. Front Immunol 2018; 9:2463. [PMID: 30425713 PMCID: PMC6219399 DOI: 10.3389/fimmu.2018.02463] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 10/04/2018] [Indexed: 12/28/2022] Open
Abstract
Four inflammatory diseases are strongly associated with Major Histocompatibility Complex class I (MHC-I) molecules: birdshot chorioretinopathy (HLA-A*29:02), ankylosing spondylitis (HLA-B*27), Behçet's disease (HLA-B*51), and psoriasis (HLA-C*06:02). The endoplasmic reticulum aminopeptidases (ERAP) 1 and 2 are also risk factors for these diseases. Since both enzymes are involved in the final processing steps of MHC-I ligands it is reasonable to assume that MHC-I-bound peptides play a significant pathogenetic role. This review will mainly focus on recent studies concerning the effects of ERAP1 and ERAP2 polymorphism and expression on shaping the peptidome of disease-associated MHC-I molecules in live cells. These studies will be discussed in the context of the distinct mechanisms and substrate preferences of both enzymes, their different patterns of genetic association with various diseases, the role of polymorphisms determining changes in enzymatic activity or expression levels, and the distinct peptidomes of disease-associated MHC-I allotypes. ERAP1 and ERAP2 polymorphism and expression induce significant changes in multiple MHC-I-bound peptidomes. These changes are MHC allotype-specific and, without excluding a degree of functional inter-dependence between both enzymes, reflect largely separate roles in their processing of MHC-I ligands. The studies reviewed here provide a molecular basis for the distinct patterns of genetic association of ERAP1 and ERAP2 with disease and for the pathogenetic role of peptides. The allotype-dependent alterations induced on distinct peptidomes may explain that the joint association of both enzymes and unrelated MHC-I alleles influence different pathological outcomes.
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Capittini C, Messina F, Puglisi F, Azzaro M, Toscano S, De Silvestri A, Tinelli C, Sortino G. An historical approach to the genetic distribution of KIR and HLA ligands in Eastern Sicilians compared to modern descendants of their invaders. Hum Immunol 2018; 79:5-12. [DOI: 10.1016/j.humimm.2017.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 10/22/2017] [Accepted: 10/23/2017] [Indexed: 11/26/2022]
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Vitulano C, Tedeschi V, Paladini F, Sorrentino R, Fiorillo MT. The interplay between HLA-B27 and ERAP1/ERAP2 aminopeptidases: from anti-viral protection to spondyloarthritis. Clin Exp Immunol 2017; 190:281-290. [PMID: 28759104 DOI: 10.1111/cei.13020] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/26/2017] [Indexed: 01/06/2023] Open
Abstract
The human leukocyte antigen class I gene HLA-B27 is the strongest risk factor for ankylosing spondylitis (AS), a chronic inflammatory arthritic disorder. More recently, the Endoplasmic Reticulum Aminopeptidase (ERAP) 1 and 2 genes have been identified by genome wide association studies (GWAS) as additional susceptibility factors. In the ER, these aminopeptidases trim the peptides to a length suitable to fit into the groove of the major histocompatibility complex (MHC) class I molecules. It is noteworthy that an epistatic interaction between HLA-B27 and ERAP1, but not between HLA-B27 and ERAP2, has been highlighted. However, these observations suggest a paramount centrality for the HLA-B27 peptide repertoire that determines the natural B27 immunological function, i.e. the T cell antigen presentation and, as a by-product, elicits HLA-B27 aberrant behaviours: (i) the misfolding leading to ER stress responses and autophagy and (ii) the surface expression of homodimers acting as ligands for innate immune receptors. In this context, it has been observed that the HLA-B27 carriers, besides being prone to autoimmunity, display a far better surveillance to some viral infections. This review focuses on the ambivalent role of HLA-B27 in autoimmunity and viral protection correlating its functions to the quantitative and qualitative effects of ERAP1 and ERAP2 polymorphisms on their enzymatic activity.
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Affiliation(s)
- C Vitulano
- Department of Biology and Biotechnology 'Charles Darwin', Sapienza University of Rome, Rome, Italy
| | - V Tedeschi
- Department of Biology and Biotechnology 'Charles Darwin', Sapienza University of Rome, Rome, Italy
| | - F Paladini
- Department of Biology and Biotechnology 'Charles Darwin', Sapienza University of Rome, Rome, Italy
| | - R Sorrentino
- Department of Biology and Biotechnology 'Charles Darwin', Sapienza University of Rome, Rome, Italy
| | - M T Fiorillo
- Department of Biology and Biotechnology 'Charles Darwin', Sapienza University of Rome, Rome, Italy
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Nowak I, Wilczyńska K, Wilczyński JR, Malinowski A, Radwan P, Radwan M, Kuśnierczyk P. KIR, LILRB and their Ligands' Genes as Potential Biomarkers in Recurrent Implantation Failure. Arch Immunol Ther Exp (Warsz) 2017; 65:391-399. [PMID: 28523429 PMCID: PMC5602049 DOI: 10.1007/s00005-017-0474-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 04/03/2017] [Indexed: 12/11/2022]
Abstract
Reproductive failure in humans is a very important social and economic problem, because nowadays women decide to conceive later in life and delay motherhood. Unfortunately, with increasing age they have less chance for natural fertilization and maintenance of pregnancy. Many of them need assisted reproductive technology. Approximately 10% of women after in vitro fertilization-embryo transfers experience recurrent implantation failure (RIF). Multiple factors may contribute to RIF, including oocyte and sperm quality, parental chromosomal anomalies, genetic or metabolic abnormalities of the embryo, poor uterine receptivity, immunological disturbances in the implantation site, and some gynecologic pathologies such as endometriosis, uterine fibroids, hydrosalpinx and endometrial polyps. Moreover, the procedure of in vitro fertilization itself could adversely influence the implantation. Nowadays, many studies are focused on the role of natural killer (NK) cells in normal and pathologic pregnancy because NK cells constitute the dominant cell population in the endometrium and they come in close contact with the allogeneic extravillous trophoblast cells in early pregnancy decidua. The majority of these cells are of CD56bright phenotype. These cells can express killer immunoglobulin-like receptors (KIRs), which, upon recognition of HLA class I molecules (HLA-C and HLA-G) on trophoblasts, may either stimulate or inhibit NK cells to produce soluble factors, and display low cytotoxicity necessary for maintenance of the allogeneic embryo and fetus in the next steps of pregnancy. Moreover, some members of the leukocyte immunoglobulin-like receptor (LILR) family, also named ILT (immunoglobulin-like transcript), are present in the human placenta. LILRB1 (ILT2) was described mainly on stromal cells, while LILRB2 (ILT4), in addition to stromal cells, was also found around vessels in the smooth muscle layer. In this review we focus on the possible role of polymorphism of KIR, LILRB and their ligands (HLA-C, HLA-G) in susceptibility to recurrent implantation failure, which could serve as diagnostic biomarkers of this disease.
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Affiliation(s)
- Izabela Nowak
- Department of Clinical Immunology, Laboratory of Immunogenetics and Tissue Immunology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Rudolfa Weigla 12, 53-114, Wrocław, Poland.
| | - Karolina Wilczyńska
- Department of Clinical Immunology, Laboratory of Immunogenetics and Tissue Immunology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Rudolfa Weigla 12, 53-114, Wrocław, Poland
| | - Jacek R Wilczyński
- Department of Gynecology and Gynecologic Oncology, Polish Mothers' Memorial Hospital-Research Institute, Rzgowska 281/289, 93-338, Łódź, Poland
| | - Andrzej Malinowski
- Department of Surgical, Endoscopic and Oncologic Gynecology, Polish Mothers' Memorial Hospital-Research Institute, Rzgowska 281/289, 93-338, Łódź, Poland
| | - Paweł Radwan
- Department of Reproductive Medicine, Gameta Hospital, Rudzka 34/36, 95-030, Rzgów, Poland.,Biogeno, Regional Science-Technology Centre, Podzamcze 45, 26-060, Chęciny Kielce, Poland
| | - Michał Radwan
- Department of Reproductive Medicine, Gameta Hospital, Rudzka 34/36, 95-030, Rzgów, Poland
| | - Piotr Kuśnierczyk
- Department of Clinical Immunology, Laboratory of Immunogenetics and Tissue Immunology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Rudolfa Weigla 12, 53-114, Wrocław, Poland
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Chen B, Li J, He C, Li D, Tong W, Zou Y, Xu W. Role of HLA-B27 in the pathogenesis of ankylosing spondylitis (Review). Mol Med Rep 2017; 15:1943-1951. [PMID: 28259985 PMCID: PMC5364987 DOI: 10.3892/mmr.2017.6248] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Accepted: 12/21/2016] [Indexed: 02/06/2023] Open
Abstract
The study of ankylosing spondylitis (AS) has made significant progress over the last decade. Genome-wide association studies have identified and further substantiated the role of susceptibility genes outside the major histocompatibility complex locus. However, human leukocyte antigen (HLA)-B27 has been suggested to be important in the pathogenesis of AS, contributing to ~20.1% of AS heritability. The current review will present the classical and non-classical forms of HLA-B27, as well as their pathogenic roles, and further discuss the hypotheses regarding the potential pathogenesis of AS. In addition, the association between the pathogenic role of HLA-B27 and inflammatory indexes, including the interleukin-23/−17 axis will be investigated to provide novel insights into the pathogenesis of AS. The aim of the present review is to provide an update of the current research into the pathogenesis of AS, and provide a comprehensive description of the pathogenic role of HLA-B27 in AS.
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Affiliation(s)
- Bin Chen
- Department of Joint Surgery and Sports Medicine, Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China
| | - Jia Li
- Department of Joint Surgery and Sports Medicine, Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China
| | - Chongru He
- Department of Joint Surgery and Sports Medicine, Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China
| | - Dahe Li
- Department of Joint Surgery and Sports Medicine, Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China
| | - Wenwen Tong
- Department of Joint Surgery and Sports Medicine, Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China
| | - Yuming Zou
- Department of Joint Surgery and Sports Medicine, Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China
| | - Weidong Xu
- Department of Joint Surgery and Sports Medicine, Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China
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Stephens C, Moreno-Casares A, López-Nevot MÁ, García-Cortés M, Medina-Cáliz I, Hallal H, Soriano G, Roman E, Ruiz-Cabello F, Romero-Gomez M, Lucena MI, Andrade RJ. Killer Immunoglobulin-Like Receptor Profiles Are not Associated with Risk of Amoxicillin-Clavulanate-Induced Liver Injury in Spanish Patients. Front Pharmacol 2016; 7:280. [PMID: 27616993 PMCID: PMC4999432 DOI: 10.3389/fphar.2016.00280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Accepted: 08/15/2016] [Indexed: 12/03/2022] Open
Abstract
Natural killer cells are an integral part of the immune system and represent a large proportion of the lymphocyte population in the liver. The activity of these cells is regulated by various cell surface receptors, such as killer Ig-like receptors (KIR) that bind to human leukocyte antigen (HLA) class I ligands on the target cell. The composition of KIR receptors has been suggested to influence the development of specific diseases, in particularly autoimmune diseases, cancer and reproductive diseases. The role played in idiosyncratic drug-induced liver injury (DILI) is currently unknown. In this study, we examined KIR gene profiles and HLA class I polymorphisms in amoxicillin-clavulanate (AC) DILI patients in search for potential risk associations. One hundred and two AC DILI patients and 226 controls were genotyped for the presence or absence of 16 KIR loci, including the two pseudogenes 2DP1 and 3DP1. No significant differences were found in the distribution of individual KIRs between patients and controls, which were comparable to previously reported KIR data from ethnically similar cohorts. The 21.6 and 21.2% of the patients and controls, respectively, were homozygous haplotype A carriers, while 78.4 and 78.8%, respectively, contained at least one B haplotype (Bx). The genotypes translated into 27 (AC DILI) and 46 (controls) different gene profiles, with 19 being present in both groups. The most frequent Bx gene profile containing KIRs 2DS2, 2DL2, 2DL3, 2DP1, 2DL1, 3DL1, 2DS4, 3DL2, 3DL3, 2DL4, and 3PD1 was present in 16% of the DILI patients and 14% of the controls. The distribution of HLA class I epitopes did not differ significantly between AC DILI patients and controls. The most frequent receptor-ligand combinations in the DILI patients were 2DL3 + epitope C1 (67%) and 3DL1 + Bw4 motif (67%), while 2DL1 + epitope C2 (69%) and 3DL1 + Bw4 motif (69%) predominated in the controls. This is to our knowledge the first analysis of KIR receptor-HLA ligand associations in DILI, although our findings do not support evidence of these genetic variations playing a major role in AC DILI development.
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Affiliation(s)
- Camilla Stephens
- Unidad de Gestión Clínica de Aparato Digestivo, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, CIBERehd Málaga, Spain
| | - Antonia Moreno-Casares
- Unidad de Gestión Clínica de Laboratorio, Departamento de Bioquímica y Biología Molecular III/Inmunología, Instituto de Investigación Biosanitario de Granada, Complejo Hospitalario de Granada, Universidad de Granada Granada, Spain
| | - Miguel-Ángel López-Nevot
- Unidad de Gestión Clínica de Laboratorio, Departamento de Bioquímica y Biología Molecular III/Inmunología, Instituto de Investigación Biosanitario de Granada, Complejo Hospitalario de Granada, Universidad de Granada Granada, Spain
| | - Miren García-Cortés
- Unidad de Gestión Clínica de Aparato Digestivo, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, CIBERehd Málaga, Spain
| | - Inmaculada Medina-Cáliz
- Unidad de Gestión Clínica de Aparato Digestivo, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, CIBERehd Málaga, Spain
| | - Hacibe Hallal
- Servicio de Aparato Digestivo, Hospital Morales Meseguer Murcia, Spain
| | - German Soriano
- Servicio de Gastroenterología, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, CIBERehd Barcelona, Spain
| | - Eva Roman
- Servicio de Gastroenterología, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, CIBERehdBarcelona, Spain; Escola Universitària d'Infermeria-Sant Pau, Universitat Autònoma de BarcelonaBarcelona, Spain
| | | | - Manuel Romero-Gomez
- Unidad de Gestión Clínica de Aparato Digestivo Intercentros, Hospitales Universitarios Virgen Macarena-Virgen del Rocio, CIBERehd Seville, Spain
| | - M Isabel Lucena
- Unidad de Gestión Clínica de Aparato Digestivo, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, CIBERehd Málaga, Spain
| | - Raúl J Andrade
- Unidad de Gestión Clínica de Aparato Digestivo, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, CIBERehd Málaga, Spain
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9
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Molecular and pathogenic effects of endoplasmic reticulum aminopeptidases ERAP1 and ERAP2 in MHC-I-associated inflammatory disorders: Towards a unifying view. Mol Immunol 2016; 77:193-204. [DOI: 10.1016/j.molimm.2016.08.005] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 08/04/2016] [Accepted: 08/04/2016] [Indexed: 12/22/2022]
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10
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Augusto DG. The Impact of KIR Polymorphism on the Risk of Developing Cancer: Not as Strong as Imagined? Front Genet 2016; 7:121. [PMID: 27446203 PMCID: PMC4923111 DOI: 10.3389/fgene.2016.00121] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Accepted: 06/14/2016] [Indexed: 11/13/2022] Open
Abstract
The polymorphism of killer cell immunoglobulin-like receptors (KIR) has been associated with several diseases, including infection, autoimmunity and cancer. KIR molecules are a family of receptors expressed on the surface of natural killer cells (NK), frontline defense of innate immunity against microorganisms and neoplastic cells. Some studies have shown conflicting results concerning the role that KIR polymorphism plays in tumor susceptibility, particularly in leukemia and lymphoma. Interestingly, the presence of HLA ligands is sometimes strongly associated with several types of cancer and apparently is not related with their interaction with KIR. This manuscript briefly reviews the uncommon polymorphism of KIR and critically summarizes the recent findings with regards of the importance of KIR variation for cancer susceptibility.
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Affiliation(s)
- Danillo G Augusto
- Laboratório de Genética Molecular Humana, Departamento de Genética, Universidade Federal do Paraná Curitiba, Brazil
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11
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Burshtyn DN, Morcos C. The Expanding Spectrum of Ligands for Leukocyte Ig-like Receptors. THE JOURNAL OF IMMUNOLOGY 2016; 196:947-55. [PMID: 26802060 DOI: 10.4049/jimmunol.1501937] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The human leukocyte Ig-like receptor family is part of the paired receptor system. The receptors are widely expressed by various immune cells, and new functions continue to emerge. Understanding the range of functions of the receptors is of general interest because several types of pathogens exploit the receptors and genetic diversity of the receptors has been linked to various autoimmune diseases. Class I major histocompatibility molecules were the first ligands appreciated for these receptors, but the types of ligands identified over the last several years are quite diverse, including intact pathogens, immune-modulatory proteins, and molecules normally found within the CNS. This review focuses on the types of ligands described to date, how the individual receptors bind to several distinct types of ligands, and the known functional consequences of those interactions.
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Affiliation(s)
- Deborah N Burshtyn
- Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, Alberta T6G 2E1, Canada; and Li Ka Shing Institute of Virology, University of Alberta, Edmonton, Alberta T6G 2E1, Canada
| | - Chris Morcos
- Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, Alberta T6G 2E1, Canada; and Li Ka Shing Institute of Virology, University of Alberta, Edmonton, Alberta T6G 2E1, Canada
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12
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Tran TM, Hong S, Edwan JH, Colbert RA. ERAP1 reduces accumulation of aberrant and disulfide-linked forms of HLA-B27 on the cell surface. Mol Immunol 2016; 74:10-7. [PMID: 27107845 PMCID: PMC5425939 DOI: 10.1016/j.molimm.2016.04.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 04/03/2016] [Accepted: 04/04/2016] [Indexed: 01/13/2023]
Abstract
OBJECTIVE Endoplasmic reticulum (ER) aminopeptidase 1 (ERAP1) variants contribute to the risk of ankylosing spondylitis in HLA-B27 positive individuals, implying a disease-related interaction between these gene products. The aim of this study was to determine whether reduced ERAP1 expression would alter the cell surface expression of HLA-B27 and the formation of aberrant disulfide-linked forms that have been implicated in the pathogenesis of spondyloarthritis. METHODS ERAP1 expression was knocked down in monocytic U937 cells expressing HLA-B27 and endogenous HLA class I. The effect of ERAP1 knockdown on the accumulation HLA-B alleles (B18, B51, and B27) was assessed using immunoprecipitation, isoelectric focusing, and immunoblotting, as well as flow cytometry with antibodies specific for different forms of HLA-B27. Cell surface expression of aberrant disulfide-linked HLA-B27 dimers was assessed by immunoprecipitation and electrophoresis on non-reducing polyacrylamide gels. RESULTS ERAP1 knockdown increased the accumulation of HLA-B27 on the cell surface including disulfide-linked dimers, but had no effect on levels of HLA-B18 or -B51. Antibodies with unique specificity for HLA-B27 confirmed increased cell surface expression of complexes shown previously to contain long peptides. IFN-γ treatment resulted in striking increases in the expression of disulfide-linked HLA-B27 heavy chains, even in cells with normal ERAP1 expression. CONCLUSIONS Our results suggest that normal levels of ERAP1 reduce the accumulation of aberrant and disulfide-linked forms of HLA-B27 in monocytes, and thus help to maintain the integrity of cell surface HLA-B27 complexes.
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Affiliation(s)
- Tri M Tran
- Pediatric Translational Research Branch, National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD 20892, United States
| | - Sohee Hong
- Pediatric Translational Research Branch, National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD 20892, United States
| | - Jehad H Edwan
- Pediatric Translational Research Branch, National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD 20892, United States
| | - Robert A Colbert
- Pediatric Translational Research Branch, National Institute of Arthritis Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD 20892, United States.
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13
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Danve A, O'Dell J. The ongoing quest for biomarkers in Ankylosing Spondylitis. Int J Rheum Dis 2015; 18:826-34. [DOI: 10.1111/1756-185x.12779] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Abhijeet Danve
- Division of Rheumatology; University of Nebraska Medical Center; Omaha Nebraska USA
| | - James O'Dell
- Division of Rheumatology; University of Nebraska Medical Center; Omaha Nebraska USA
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Augusto DG, Petzl-Erler ML. KIR and HLA under pressure: evidences of coevolution across worldwide populations. Hum Genet 2015; 134:929-40. [PMID: 26099314 DOI: 10.1007/s00439-015-1579-9] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Accepted: 06/15/2015] [Indexed: 01/13/2023]
Abstract
KIR (killer cell immunoglobulin-like receptors) and HLA (human leukocyte antigens) are two distinct gene families with remarkable importance for human immune responses. The recognition of HLA molecules by activating and inhibitory KIR promotes a balance of signals that regulates NK cell function and is especially important for the innate defense against pathogens and early placentation. There is no documented gametic association between these two gene families and no evidence of common regulation. However, due to the critical role of KIR recognition for immunity and reproduction, the possibility of KIR-HLA combinations being under selective pressure is not surprising. In this manuscript, we first summarize the HLA-KIR system, the HLA molecules that are the putative ligands for KIR, and then we review the evidences that suggest these two gene families are coevolving as an integrated system.
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Affiliation(s)
- Danillo G Augusto
- Departamento de Genética, Universidade Federal do Paraná, Caixa Postal 19071, Curitiba, PR, 81531-980, Brazil,
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15
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Hatano H, Shaw J, Marquardt K, Zhang Z, Gauthier L, Chanteux S, Rossi B, Li D, Mitchell J, Kollnberger S. The D0 Ig-like domain plays a central role in the stronger binding of KIR3DL2 to B27 free H chain dimers. THE JOURNAL OF IMMUNOLOGY 2015; 194:1591-601. [PMID: 25582852 DOI: 10.4049/jimmunol.1402214] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
We proposed that the killer cell Ig-like receptor KIR3DL2 binding more strongly to HLA-B27 (B27) β2-microglobulin free H chain (FHC) dimers than other HLA-class I molecules regulates lymphocyte function in arthritis and infection. We compared the function of B27 FHC dimers with other class I H chains and identified contact residues in KIR3DL2. B27 FHC dimers interacted functionally with KIR3DL2 on NK and reporter cells more strongly than did other class I FHCs. Mutagenesis identified key residues in the D0 and other Ig-like domains that were shared and distinct from KIR3DL1 for KIR3DL2 binding to B27 and other class I FHCs. We modeled B27 dimer binding to KIR3DL2 and compared experimental mutagenesis data with computational "hot spot" predictions. Modeling predicts that the stronger binding of B27 dimers to KIR3DL2 is mediated by nonsymmetrical complementary contacts of the D0 and D1 domains with the α1, α2, and α3 domains of both B27 H chains. In contrast, the D2 domain primarily contacts residues in the α2 domain of one B27 H chain. These findings provide novel insights about the molecular basis of KIR3DL2 binding to B27 and other ligands and suggest an important role for KIR3DL2-B27 interactions in controlling the function of NK cells in B27(+) individuals.
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Affiliation(s)
- Hiroko Hatano
- Botnar Research Centre, Nuffield Department of Rheumatological and Musculoskeletal Sciences, University of Oxford, Oxford OX3 7LD, United Kingdom
| | - Jacqueline Shaw
- Botnar Research Centre, Nuffield Department of Rheumatological and Musculoskeletal Sciences, University of Oxford, Oxford OX3 7LD, United Kingdom
| | - Kaitlin Marquardt
- Department of Biochemistry, University of Wisconsin, Madison, WI 53706
| | - Zhiyong Zhang
- Botnar Research Centre, Nuffield Department of Rheumatological and Musculoskeletal Sciences, University of Oxford, Oxford OX3 7LD, United Kingdom
| | | | | | | | - Demin Li
- Nuffield Division of Clinical Laboratory Sciences, University of Oxford, Oxford OX3 7LD, United Kingdom
| | - Julie Mitchell
- Department of Biochemistry, University of Wisconsin, Madison, WI 53706
| | - Simon Kollnberger
- Botnar Research Centre, Nuffield Department of Rheumatological and Musculoskeletal Sciences, University of Oxford, Oxford OX3 7LD, United Kingdom;
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16
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Affiliation(s)
- Hye Won Kim
- Division of Rheumatology, Department of Internal Medicine, Eulji General Hospital, Eulji University School of Medicine, Seoul, Korea
| | - Sang-Hoon Lee
- Department of Rheumatology, Center of Arthritis and Rheumatism, Kyung Hee University Hospital at Gangdong, Seoul, Korea
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Ding J, Feng Y, Zheng ZH, Li XY, Wu ZB, Zhu P. Increased expression of human leucocyte antigen class I free heavy chains on monocytes of patients with spondyloarthritis and cells transfected with HLA-B27. Int J Immunogenet 2014; 42:4-10. [PMID: 25545293 DOI: 10.1111/iji.12169] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Revised: 09/25/2014] [Accepted: 12/01/2014] [Indexed: 01/12/2023]
Abstract
Human leucocyte antigen (HLA)-B27 expression is correlated with spondyloarthritis (SpA), but its role in disease pathogenesis remains unclear. The aim of the study was to determine whether HLA-B27 free heavy chain (FHC) contributes to SpA pathogenesis. Flow cytometry was used to analyse the FHC expression on CD3+ and CD14+ cells in the peripheral blood (PB) and synovial fluid (SF) from SpA patients, healthy controls, and rheumatoid arthritis (RA) patients. Human monocytic U937 cell lines stably expressing enhanced green fluorescence protein (EGFP)/HLA-B27, EGFP/HLA-A2 or EGFP alone were created to further investigate the relation between HLA-B27 and FHC expression. The relative FHC level on CD14+ PB cells was significantly higher in SpA patients than in controls, but lower than on the SF cells of SpA patients. No significant correlation was found for relative FHC expression with HLA-B27 or β2-microglobulin expression. HLA-B27-transfected U937 cells expressed higher FHC levels than either EGFP/HLA-A2- or EGFP-transfected cells. HLA class I FHC expression was significantly increased on monocytes of SpA patients and HLA-B27-transfected cells, implying that FHC, perhaps mostly derived from HLA-B27, plays an important role in SpA pathogenesis.
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Affiliation(s)
- Jin Ding
- Department of Clinical Immunology, State Key Discipline of Cell Biology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
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18
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García-Medel N, Sanz-Bravo A, Alvarez-Navarro C, Gómez-Molina P, Barnea E, Marcilla M, Admon A, de Castro JAL. Peptide handling by HLA-B27 subtypes influences their biological behavior, association with ankylosing spondylitis and susceptibility to endoplasmic reticulum aminopeptidase 1 (ERAP1). Mol Cell Proteomics 2014; 13:3367-80. [PMID: 25187574 DOI: 10.1074/mcp.m114.039214] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
HLA-B27 is strongly associated with ankylosing spondylitis (AS). We analyzed the relationship between structure, peptide specificity, folding, and stability of the seven major HLA-B27 subtypes to determine the role of their constitutive peptidomes in the pathogenicity of this molecule. Identification of large numbers of ligands allowed us to define the differences among subtype-bound peptidomes and to elucidate the peptide features associated with AS and molecular stability. The peptides identified only in AS-associated or high thermostability subtypes with identical A and B pockets were longer and had bulkier and more diverse C-terminal residues than those found only among non-AS-associated/lower-thermostability subtypes. Peptides sequenced from all AS-associated subtypes and not from non-AS-associated ones, thus strictly correlating with disease, were very rare. Residue 116 was critical in determining peptide binding, thermodynamic properties, and folding, thus emerging as a key feature that unified HLA-B27 biology. HLA-B27 ligands were better suited to TAP transport than their N-terminal precursors, and AS-associated subtype ligands were better than those from non-AS-associated subtypes, suggesting a particular capacity of AS-associated subtypes to bind epitopes directly produced in the cytosol. Peptides identified only from AS-associated/high-thermostability subtypes showed a higher frequency of ERAP1-resistant N-terminal residues than ligands found only in non-AS-associated/low-thermostability subtypes, reflecting a more pronounced effect of ERAP1 on the former group. Our results reveal the basis for the relationship between peptide specificity and other features of HLA-B27, provide a unified view of HLA-B27 biology and pathogenicity, and suggest a larger influence of ERAP1 polymorphism on AS-associated than non-AS-associated subtypes.
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Affiliation(s)
- Noel García-Medel
- From the ‡Centro de Biología Molecular Severo Ochoa (Consejo Superior de Investigaciones Científicas and Universidad Autónoma de Madrid), Madrid, Spain
| | - Alejandro Sanz-Bravo
- From the ‡Centro de Biología Molecular Severo Ochoa (Consejo Superior de Investigaciones Científicas and Universidad Autónoma de Madrid), Madrid, Spain
| | - Carlos Alvarez-Navarro
- From the ‡Centro de Biología Molecular Severo Ochoa (Consejo Superior de Investigaciones Científicas and Universidad Autónoma de Madrid), Madrid, Spain
| | - Patricia Gómez-Molina
- From the ‡Centro de Biología Molecular Severo Ochoa (Consejo Superior de Investigaciones Científicas and Universidad Autónoma de Madrid), Madrid, Spain
| | - Eilon Barnea
- §Faculty of Biology, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - Miguel Marcilla
- ¶Functional Proteomics Unit. Centro Nacional de Biotecnología (Consejo Superior de Investigaciones Científicas), Madrid, Spain
| | - Arie Admon
- §Faculty of Biology, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - José A López de Castro
- From the ‡Centro de Biología Molecular Severo Ochoa (Consejo Superior de Investigaciones Científicas and Universidad Autónoma de Madrid), Madrid, Spain;
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Smith JA, Colbert RA. Review: The interleukin-23/interleukin-17 axis in spondyloarthritis pathogenesis: Th17 and beyond. Arthritis Rheumatol 2014; 66:231-41. [PMID: 24504793 DOI: 10.1002/art.38291] [Citation(s) in RCA: 152] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2013] [Accepted: 11/19/2013] [Indexed: 12/13/2022]
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