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Carmena Moratalla A, Carpentier Solorio Y, Lemaitre F, Farzam-Kia N, Levert A, Zandee SEJ, Lahav B, Guimond JV, Haddad E, Girard M, Duquette P, Larochelle C, Prat A, Arbour N. Stress Signal ULBP4, an NKG2D Ligand, Is Upregulated in Multiple Sclerosis and Shapes CD8 + T-Cell Behaviors. NEUROLOGY(R) NEUROIMMUNOLOGY & NEUROINFLAMMATION 2022; 9:9/1/e1119. [PMID: 34873031 PMCID: PMC8656234 DOI: 10.1212/nxi.0000000000001119] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 10/19/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND AND OBJECTIVES We posit the involvement of the natural killer group 2D (NKG2D) pathway in multiple sclerosis (MS) pathology via the presence of specific NKG2D ligands (NKG2DLs). We aim to evaluate the expression of NKG2DLs in the CNS and CSF of patients with MS and to identify cellular stressors inducing the expression of UL16-binding protein 4 (ULBP4), the only detectable NKG2DL. Finally, we evaluate the impact of ULBP4 on functions such as cytokine production and motility by CD8+ T lymphocytes, a subset largely expressing NKG2D, the cognate receptor. METHODS Human postmortem brain samples and CSF from patients with MS and controls were used to evaluate NKG2DL expression. In vitro assays using primary cultures of human astrocytes and neurons were performed to identify stressors inducing ULBP4 expression. Human CD8+ T lymphocytes from MS donors and age/sex-matched healthy controls were isolated to evaluate the functional impact of soluble ULBP4. RESULTS We detected mRNA coding for the 8 identified human NKG2DLs in brain samples from patients with MS and controls, but only ULBP4 protein expression was detectable by Western blot. ULBP4 levels were greater in patients with MS, particularly in active and chronic active lesions and normal-appearing white matter, compared with normal-appearing gray matter from MS donors and white and gray matter from controls. Soluble ULBP4 was also detected in CSF of patients with MS and controls, but a smaller shed/soluble form of 25 kDa was significantly elevated in CSF from female patients with MS compared with controls and male patients with MS. Our data indicate that soluble ULBP4 affects various functions of CD8+ T lymphocytes. First, it enhanced the production of the proinflammatory cytokines GM-CSF and interferon-γ (IFNγ). Second, it increased CD8+ T lymphocyte motility and favored a kinapse-like behavior when cultured in the presence of human astrocytes. CD8+ T lymphocytes from patients with MS were especially altered by the presence of soluble ULBP4 compared with healthy controls. DISCUSSION Our study provides new evidence for the involvement of NKG2D and its ligand ULBP4 in MS pathology. Our results point to ULBP4 as a viable target to specifically block 1 component of the NKG2D pathway without altering immune surveillance involving other NKG2DL.
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Affiliation(s)
- Ana Carmena Moratalla
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada
| | - Yves Carpentier Solorio
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada
| | - Florent Lemaitre
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada
| | - Negar Farzam-Kia
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada
| | - Annie Levert
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada
| | - Stephanie E J Zandee
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada
| | - Boaz Lahav
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada
| | - Jean Victor Guimond
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada
| | - Elie Haddad
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada
| | - Marc Girard
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada
| | - Pierre Duquette
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada
| | - Catherine Larochelle
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada
| | - Alexandre Prat
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada
| | - Nathalie Arbour
- From the Department of Neurosciences (A.C.M., Y.C.S., F.L., N.F-k., A.L., S.E.J.Z., M.G., P.D., C.L., A.P., N.A.), Université de Montréal and Centre de Recherche du CHUM (CRCHUM) Montreal; MS-CHUM Clinic (B.L., M.G., P.D., C.L., A.P.); CLSC des Faubourgs (J.V.G.), CIUSSS du Centre-Sud-de-l'Ile-de-Montréal; and Department of Microbiology, Infectious Diseases, and Immunology and Department of Pediatrics (E.H.), Université de Montréal, Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine (CHU Sainte-Justine), Montreal, Quebec, Canada.
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Kucuksezer UC, Aktas Cetin E, Esen F, Tahrali I, Akdeniz N, Gelmez MY, Deniz G. The Role of Natural Killer Cells in Autoimmune Diseases. Front Immunol 2021; 12:622306. [PMID: 33717125 PMCID: PMC7947192 DOI: 10.3389/fimmu.2021.622306] [Citation(s) in RCA: 113] [Impact Index Per Article: 37.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 01/07/2021] [Indexed: 12/15/2022] Open
Abstract
Natural killer (NK) cells, the large granular lymphocytes differentiated from the common lymphoid progenitors, were discovered in early 1970's. They are members of innate immunity and were initially defined by their strong cytotoxicity against virus-infected cells and by their important effector functions in anti-tumoral immune responses. Nowadays, NK cells are classified among the recently discovered innate lymphoid cell subsets and have capacity to influence both innate and adaptive immune responses. Therefore, they can be considered as innate immune cells that stands between the innate and adaptive arms of immunity. NK cells don't express T or B cell receptors and are recognized by absence of CD3. There are two major subgroups of NK cells according to their differential expression of CD16 and CD56. While CD16+CD56dim subset is best-known by their cytotoxic functions, CD16-CD56bright NK cell subset produces a bunch of cytokines comparable to CD4+ T helper cell subsets. Another subset of NK cells with production of interleukin (IL)-10 was named as NK regulatory cells, which has suppressive properties and could take part in immune-regulatory responses. Activation of NK cells is determined by a delicate balance of cell-surface receptors that have either activating or inhibitory properties. On the other hand, a variety of cytokines including IL-2, IL-12, IL-15, and IL-18 influence NK cell activity. NK-derived cytokines and their cytotoxic functions through induction of apoptosis take part in regulation of the immune responses and could contribute to the pathogenesis of many immune mediated diseases including ankylosing spondylitis, Behçet's disease, multiple sclerosis, rheumatoid arthritis, psoriasis, systemic lupus erythematosus and type-1 diabetes. Dysregulation of NK cells in autoimmune disorders may occur through multiple mechanisms. Thanks to the rapid developments in biotechnology, progressive research in immunology enables better characterization of cells and their delicate roles in the complex network of immunity. As NK cells stand in between innate and adaptive arms of immunity and "bridge" them, their contribution in inflammation and immune regulation deserves intense investigations. Better understanding of NK-cell biology and their contribution in both exacerbation and regulation of inflammatory disorders is a requisite for possible utilization of these multi-faceted cells in novel therapeutic interventions.
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Affiliation(s)
- Umut Can Kucuksezer
- Department of Immunology, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
| | - Esin Aktas Cetin
- Department of Immunology, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
| | - Fehim Esen
- Department of Immunology, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
- Department of Ophthalmology, Medical Faculty, Istanbul Medeniyet University, Istanbul, Turkey
| | - Ilhan Tahrali
- Department of Immunology, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
| | - Nilgun Akdeniz
- Department of Immunology, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
| | - Metin Yusuf Gelmez
- Department of Immunology, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
| | - Gunnur Deniz
- Department of Immunology, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
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Association of Major Histocompatibility Complex Class I Related Chain A/B Positive Microparticles with Acute Myocardial Infarction and Disease Severity. Diagnostics (Basel) 2020; 10:diagnostics10100766. [PMID: 33003303 PMCID: PMC7656305 DOI: 10.3390/diagnostics10100766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 09/23/2020] [Accepted: 09/26/2020] [Indexed: 02/06/2023] Open
Abstract
Background: Various cell types undergo activation and stress during atherosclerosis resulting in the development of acute myocardial infarction (AMI) in coronary artery disease (CAD). Major histocompatibility complex class I related chain A and B (MICA/B) can be expressed on the surface of activated and stressed cells and released into blood circulation in several forms including microparticles (MICA/B+ MPs) from various cell types. We aimed to investigate the association of these MICA/B+ MPs with the presence of AMI. Fifty-one AMI and 46 age-matched control subjects were recruited. Methods: Levels of MICA/B+ MPs derived from various parent cells including endothelial cells, platelets, monocytes, neutrophils, and T lymphocytes were determined by flow cytometry. Results: The levels and proportion of MICA/B+ MPs from all types of cell origin were significantly increased in AMI patients compared to those of the controls. A multivariate regression model showed an independent association between MICA/B+ MPs and AMI (OR = 11.6; 95% CI = 2.8, 47.3). Interestingly, based on the disease severity, we found that the levels of MICA/B+ MPs were significantly elevated in the ST-segment elevation myocardial infarction (STEMI) compared to the non-STEMI (NSTEMI) patients. Moreover, an independent association of MICA/B+ MPs with the occurrence of STEMI was also demonstrated (OR = 4.1; 95% CI = 1.5, 16.7). Conclusions: These results suggest that MICA/B+ MPs are associated with AMI and disease severity. They may act as mediators contributing to the pathological process of AMI. Alternatively, they are the results of various cell activations contributing to AMI.
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Plasil M, Wijkmark S, Elbers JP, Oppelt J, Burger PA, Horin P. The major histocompatibility complex of Old World camelids: Class I and class I-related genes. HLA 2020; 93:203-215. [PMID: 30828986 DOI: 10.1111/tan.13510] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 01/14/2019] [Accepted: 02/27/2019] [Indexed: 12/30/2022]
Abstract
The genomic structure of the Major Histocompatibility Complex (MHC) region and variation in selected MHC class I related genes in Old World camels, Camelus bactrianus and Camelus dromedaries were studied. The overall genomic organization of the camel MHC region follows a general pattern observed in other mammalian species and individual MHC loci appear to be well conserved. Selected MHC class I genes B-67 and BL3-7 exhibited unexpectedly low variability, even when compared to other camel MHC class I related genes MR1 and MICA. Interspecific SNP and allele sharing are relatively common, and frequencies of heterozygotes are usually low. Such a low variation in a genomic region generally considered as one of the most polymorphic in vertebrate genomes is unusual. Evolutionary relationships between MHC class I related genes and their counterparts from other species seem to be rather complex. Often, they do not follow the general evolutionary history of the species concerned. Close evolutionary relationships of individual MHC class I loci between camels, humans and dogs were observed. Based on the results of this study and on our data on MHC class II genes, the extent and the pattern of polymorphism of the MHC region of Old World camelids differed from most mammalian groups studied so far. Camels thus seem to be an important model for our understanding of the role of genetic diversity in immune functions, especially in the context of unique features of their immunoglobulin and T-cell receptor genes.
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Affiliation(s)
- Martin Plasil
- Department of Animal Genetics, Veterinary and Pharmaceutical University, Brno, Czech Republic.,Ceitec VFU, RG Animal Immunogenomics, Brno, Czech Republic
| | - Sofia Wijkmark
- Department of Animal Genetics, Veterinary and Pharmaceutical University, Brno, Czech Republic
| | - Jean P Elbers
- Research Institute of Wildlife Ecology, Department of Integrative Biology and Evolution, Vienna, Austria
| | - Jan Oppelt
- Ceitec MU, Masaryk University, Brno, Czech Republic.,Faculty of Science, National Centre for Biomolecular Research, Masaryk University, Brno, Czech Republic
| | - Pamela A Burger
- Research Institute of Wildlife Ecology, Department of Integrative Biology and Evolution, Vienna, Austria
| | - Petr Horin
- Department of Animal Genetics, Veterinary and Pharmaceutical University, Brno, Czech Republic.,Ceitec VFU, RG Animal Immunogenomics, Brno, Czech Republic
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Tahrali I, Kucuksezer UC, Akdeniz N, Altintas A, Uygunoglu U, Aktas-Cetin E, Deniz G. CD3 -CD56 + NK cells display an inflammatory profile in RR-MS patients. Immunol Lett 2019; 216:63-69. [PMID: 31589897 DOI: 10.1016/j.imlet.2019.10.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 09/22/2019] [Accepted: 10/03/2019] [Indexed: 01/06/2023]
Abstract
Multiple Sclerosis (MS) is an immune-mediated and neurodegenerative disease of central nervous system. Relapsing-remitting (RR)-MS occurring with acute attacks and remissions, is the most common clinical type of MS. There are different strategies applied in first-line treatment of RR-MS patients such as interferon-beta (IFN-β) and glatiramer acetate. In this study, activating and inhibitory receptor expressions and interleukin (IL)-22 levels of NK cells were investigated in RR-MS patients with or without IFN-β therapy. Activating receptor expression and IL-22 levels of NK cells were increased in RR-MS patients under IFN-β therapy. Elevated NK cells with activating profile and increased IL-22 under IFN-β therapy suggest that IFN-β treatment might direct NK cells toward a pro-inflammatory status.
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Affiliation(s)
- Ilhan Tahrali
- Istanbul University, Aziz Sancar Institute of Experimental Medicine, Department of Immunology, Istanbul, Turkey
| | - Umut Can Kucuksezer
- Istanbul University, Aziz Sancar Institute of Experimental Medicine, Department of Immunology, Istanbul, Turkey
| | - Nilgun Akdeniz
- Istanbul University, Aziz Sancar Institute of Experimental Medicine, Department of Immunology, Istanbul, Turkey
| | - Ayse Altintas
- Koc University, Faculty of Medicine, Department of Neurology, Istanbul, Turkey; Istanbul University Cerrahpasa, Cerrahpasa Faculty of Medicine, Department of Neurology, Istanbul, Turkey
| | - Ugur Uygunoglu
- Istanbul University Cerrahpasa, Cerrahpasa Faculty of Medicine, Department of Neurology, Istanbul, Turkey
| | - Esin Aktas-Cetin
- Istanbul University, Aziz Sancar Institute of Experimental Medicine, Department of Immunology, Istanbul, Turkey
| | - Gunnur Deniz
- Istanbul University, Aziz Sancar Institute of Experimental Medicine, Department of Immunology, Istanbul, Turkey.
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Moghbeli M. Genetic and Molecular Biology of Multiple Sclerosis Among Iranian Patients: An Overview. Cell Mol Neurobiol 2019; 40:65-85. [PMID: 31482432 DOI: 10.1007/s10571-019-00731-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 08/24/2019] [Indexed: 12/16/2022]
Abstract
Multiple sclerosis (MS) is one if the common types of autoimmune disorders in developed countries. Various environmental and genetic factors are associated with initiation and progression of MS. It is believed that the life style changes can be one of the main environmental risk factors. The environmental factors are widely studied and reported, whereas minority of reports have considered the role of genetic factors in biology of MS. Although Iran is a low-risk country in the case of MS prevalence, it has been shown that there was a dramatically rising trend of MS prevalence among Iranian population during recent decades. Therefore, it is required to assess the probable MS risk factors in Iran. In the present study, we summarized all of the reported genes until now which have been associated with MS susceptibility among Iranian patients. To clarify the probable molecular biology of MS progression, we categorized these reported genes based on their cellular functions. This review paves the way of introducing a specific population-based diagnostic panel of genetic markers among the Iranian population for the first time in the world.
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Affiliation(s)
- Meysam Moghbeli
- Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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Integrative analysis revealed potential causal genetic and epigenetic factors for multiple sclerosis. J Neurol 2019; 266:2699-2709. [DOI: 10.1007/s00415-019-09476-w] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 07/14/2019] [Accepted: 07/15/2019] [Indexed: 12/12/2022]
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Campos-Silva C, Kramer MK, Valés-Gómez M. NKG2D-ligands: Putting everything under the same umbrella can be misleading. HLA 2019. [PMID: 29521021 DOI: 10.1111/tan.13246] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
NKG2D is a key receptor for the activation of immune effector cells, mainly Natural Killer cells and T lymphocytes, in infection, cancer and autoimmune diseases. Since the detection of ligands for NKG2D in sera of cancer patients is, in many human models, indicative of prognosis, a large number of studies have been undertaken to improve understanding of the biology regulating this receptor and its ligands, with the aim of translating this knowledge into clinical practice. Although it is becoming clear that the NKG2D system can be used as a tool for diagnosis and manipulated for therapy, some questions remain open due to the complexity associated with the existence of a large number of ligands, each one of them displaying distinct biological properties. In this review, we have highlighted some key aspects of this system that differ between humans and mice, including the properties of NKG2D, as well as the genetic and biochemical complexity of NKG2D-ligands. All of these features affect the characteristics of the immune response exerted by NKG2D-expressing cells and are likely to be important factors in the clearance of a tumour or the development of autoimmunity. Implementation of more global analyses, including information on genotype, transcription and protein properties (cellular vs released to the blood stream) of NKG2D-ligands expressed in patients will be necessary to fully understand the links between this system and disease progression.
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Affiliation(s)
- C Campos-Silva
- Department of Immunology and Oncology, National Centre for Biotechnology, CNB-CSIC, Madrid, Spain
| | - M K Kramer
- Department of Immunology and Oncology, National Centre for Biotechnology, CNB-CSIC, Madrid, Spain
| | - M Valés-Gómez
- Department of Immunology and Oncology, National Centre for Biotechnology, CNB-CSIC, Madrid, Spain
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Legroux L, Moratalla AC, Laurent C, Deblois G, Verstraeten SL, Arbour N. NKG2D and Its Ligand MULT1 Contribute to Disease Progression in a Mouse Model of Multiple Sclerosis. Front Immunol 2019; 10:154. [PMID: 30787931 PMCID: PMC6372829 DOI: 10.3389/fimmu.2019.00154] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 01/17/2019] [Indexed: 12/14/2022] Open
Abstract
NKG2D is an activating receptor expressed on the surface of immune cells including subsets of T lymphocytes. NKG2D binds multiple ligands (NKG2DL) whose expression are differentially triggered in a cell type and stress specific manner. The NKG2D-NKG2DL interaction has been involved in autoimmune disorders but its role in animal models of multiple sclerosis (MS) remains incompletely resolved. Here we show that NKG2D and its ligand MULT1 contribute to the pathobiology of experimental autoimmune encephalomyelitis (EAE). MULT1 protein levels are increased in the central nervous system (CNS) at EAE disease peak; soluble MULT1 is elevated in the cerebrospinal fluid of both active and passive EAE. We establish that such soluble MULT1 enhances effector functions (e.g., IFNγ production) of activated CD8 T lymphocytes from wild type but not from NKG2D-deficient (Klrk1−/−) mice in vitro. The adoptive transfer of activated T lymphocytes from wild type donors induced a significantly reduced EAE disease in Klrk1−/− compared to wild type (Klrk1+/+) recipients. Characterization of T lymphocytes infiltrating the CNS of recipient mice shows that donor (CD45.1) rather than endogenous (CD45.2) CD4 T cells are the main producers of key cytokines (IFNγ, GM-CSF). In contrast, infiltrating CD8 T lymphocytes include mainly endogenous (CD45.2) cells exhibiting effector properties (NKG2D, granzyme B and IFNγ). Our data support the notion that endogenous CD8 T cells contribute to passive EAE pathobiology in a NKG2D-dependent manner. Collectively, our results point to the deleterious role of NKG2D and its MULT1 in the pathobiology of a MS mouse model.
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Affiliation(s)
- Laurine Legroux
- Department of Neurosciences Université de Montréal, Montreal, QC, Canada
| | | | - Cyril Laurent
- Department of Neurosciences Université de Montréal, Montreal, QC, Canada
| | - Gabrielle Deblois
- Department of Neurosciences Université de Montréal, Montreal, QC, Canada
| | | | - Nathalie Arbour
- Department of Neurosciences Université de Montréal, Montreal, QC, Canada
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10
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Sheppard S, Ferry A, Guedes J, Guerra N. The Paradoxical Role of NKG2D in Cancer Immunity. Front Immunol 2018; 9:1808. [PMID: 30150983 PMCID: PMC6099450 DOI: 10.3389/fimmu.2018.01808] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Accepted: 07/23/2018] [Indexed: 12/12/2022] Open
Abstract
The activating receptor NKG2D and its ligands are recognized as a potent immune axis that controls tumor growth and microbial infections. With regards to cancer surveillance, various studies have demonstrated the antitumor function mediated by NKG2D on natural killer cells and on conventional and unconventional T cells. The use of NKG2D-deficient mice established the importance of NKG2D in delaying tumor development in transgenic mouse models of cancer. However, we recently demonstrated an unexpected, flip side to this coin, the ability for NKG2D to contribute to tumor growth in a model of inflammation-driven liver cancer. With a focus on the liver, here, we review current knowledge of NKG2D-mediated tumor surveillance and discuss evidence supporting a dual role for NKG2D in cancer immunity. We postulate that in certain advanced cancers, expression of ligands for NKG2D can drive cancer progression rather than rejection. We propose that the nature of the microenvironment within and surrounding tumors impacts the outcome of NKG2D activation. In a form of autoimmune attack, NKG2D promotes tissue damage, mostly in the inflamed tissue adjacent to the tumor, facilitating tumor progression while being ineffective at rejecting transformed cells in the tumor bed.
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Affiliation(s)
- Sam Sheppard
- Department of Life Sciences, Imperial College London, London, United Kingdom.,Memorial Sloan Kettering Cancer Center, Zuckerman Research Center, New York, NY, United States
| | - Amir Ferry
- Department of Life Sciences, Imperial College London, London, United Kingdom
| | - Joana Guedes
- Department of Life Sciences, Imperial College London, London, United Kingdom
| | - Nadia Guerra
- Department of Life Sciences, Imperial College London, London, United Kingdom
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11
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Babic M, Romagnani C. The Role of Natural Killer Group 2, Member D in Chronic Inflammation and Autoimmunity. Front Immunol 2018; 9:1219. [PMID: 29910814 PMCID: PMC5992374 DOI: 10.3389/fimmu.2018.01219] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 05/15/2018] [Indexed: 01/06/2023] Open
Abstract
Current medicine and medical science puts great effort into elucidating the basis of chronicity and finding appropriate treatments for inflammatory diseases; however, the mechanisms driving aberrant immune responses are mostly unknown and deserve further study. Of particular interest is the identification of checkpoints that regulate the function and differentiation of pro-inflammatory cells during pathogenesis, along with means of their modulation for therapeutic purposes. Natural killer group 2, member D (NKG2D) is a potent activator of the immune system, known as a sensor for “induced-self” ligands, i.e., cellular danger signals that, in the context of chronic inflammation and autoimmunity, can be presented by cells being exposed to an inflammatory cytokine milieu, endoplasmic reticulum stress, or cell death. Engagement by such ligands can be translated by NKG2D into activation or co-stimulation of NK cells and different subsets of T cells, respectively, thus contributing to the regulation of the inflammatory response. In this review, we discuss the current knowledge on the contribution of the NKG2D–NKG2DL signaling axis during intestinal inflammation, type 1 diabetes, multiple sclerosis, and rheumatoid arthritis, where the role of NKG2D has been associated either by aberrant expression of the receptor and its ligands and/or by functional data in corresponding mouse models.
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Affiliation(s)
- Marina Babic
- Innate Immunity, German Rheumatism Research Center (DRFZ), Leibniz Association, Berlin, Germany.,Medical Department I, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Chiara Romagnani
- Innate Immunity, German Rheumatism Research Center (DRFZ), Leibniz Association, Berlin, Germany.,Medical Department I, Charité - Universitätsmedizin Berlin, Berlin, Germany
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12
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Markel G, Imazio M, Koren-Morag N, Galore-Haskel G, Schachter J, Besser M, Cumetti D, Maestroni S, Altman A, Shoenfeld Y, Brucato A, Adler Y. CEACAM1 and MICA as novel serum biomarkers in patients with acute and recurrent pericarditis. Oncotarget 2017; 7:17885-95. [PMID: 26909604 PMCID: PMC4951257 DOI: 10.18632/oncotarget.7530] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2015] [Accepted: 01/23/2016] [Indexed: 11/25/2022] Open
Abstract
Background The immune response plays a significant role in pericarditis, but the mechanisms of disease are poorly defined. Further, efficient monitoring and predictive clinical tools are unavailable. Carcinoembryonic antigen cell adhesion molecule 1 (CEACAM1) is an immune-inhibitory protein, while MHC class I chain related protein A (MICA) and B (MICB) have an immune-stimulating function. Methods and results Serum CEACAM1, MICA and MICB concentrations were measured by ELISA in ∼50 subjects of each group: acute pericarditis (AP), recurrent pericarditis (RP) and lupus (SLE) patients, metastatic melanoma patients as well as healthy donors. Serum CEACAM1 was dramatically elevated in AP and RP patients, but not in SLE patients, and displayed a highly accurate profile in ROC curve analyses. MICA and MICB were elevated in some pericarditis patients. All markers were enhanced in metastatic melanoma patients irrespective of neoplastic pericardial involvement. Etiology-guided analysis of RP patients showed that very low MICA levels were associated with idiopathic RP, while high MICA was associated with autoimmune and post-operative RP. Importantly, MICA was significantly associated with recurrences, independently of other potentially confounding parameters such as age, time of follow up or treatment modality. Conclusions Here we report for the first time on CEACAM1 as a potentially novel biomarker for pericarditis, as well as on MICA as an innovative prognostic marker in these patients. Determination of the roles of these immune factors, as well as their diagnostic and prognostic values should be determined in future prospective studies.
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Affiliation(s)
- Gal Markel
- Ella Lemelbaum Institute of Melanoma, Sheba Medical Center, Tel Hashomer, Israel.,Talpiot Medical Leadership Program, Sheba Medical Center, Tel Hashomer, Israel.,Department of Clinical Microbiology and Immunology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Massimo Imazio
- Cardiology Department, Maria Vittoria Hospital, Torino, Italy
| | - Nira Koren-Morag
- Department of Epidemiology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Gilli Galore-Haskel
- Ella Lemelbaum Institute of Melanoma, Sheba Medical Center, Tel Hashomer, Israel
| | - Jacob Schachter
- Ella Lemelbaum Institute of Melanoma, Sheba Medical Center, Tel Hashomer, Israel
| | - Michal Besser
- Ella Lemelbaum Institute of Melanoma, Sheba Medical Center, Tel Hashomer, Israel.,Department of Clinical Microbiology and Immunology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | | | | | - Arie Altman
- Internal Medicine B, Sheba Medical Center, Tel Hashomer, Israel
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Israel
| | | | - Yehuda Adler
- Talpiot Medical Leadership Program, Sheba Medical Center, Tel Hashomer, Israel.,Cardiac Rehabilitation Institute, Sheba Medical Center, Tel Hashomer, Israel.,Department of Internal Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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13
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Tong HV, Song LH, Hoan NX, Cuong BK, Sy BT, Son HA, Quyet D, Binh VQ, Kremsner PG, Bock CT, Velavan TP, Toan NL. Soluble MICB protein levels and platelet counts during hepatitis B virus infection and response to hepatocellular carcinoma treatment. BMC Infect Dis 2015; 15:25. [PMID: 25626490 PMCID: PMC4318451 DOI: 10.1186/s12879-015-0754-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Accepted: 01/14/2015] [Indexed: 12/18/2022] Open
Abstract
Background The human major histocompatibility complex class I polypeptide-related sequence B (MICB) is a protein that modulates the NK and T cell activation through the NKG2D receptor and is related to several diseases including cancer. Methods The study investigated the prognostic role of soluble MICB (sMICB) protein in the progression of HBV-related liver diseases and to HBV-related HCC treatment. The sMICB serum levels were measured in 266 chronic HBV-infected Vietnamese patients and in healthy controls, and correlated with clinical and laboratory parameters and with therapeutic interventions for HBV-related HCC. Results Significant differences in both clinical and laboratory parameters were observed among the patient groups with different stages of hepatitis. The platelet counts were significantly decreased with disease progression (P < 0.001). The sMICB serum levels were significantly increased in HBV patients compared to healthy controls (P < 0.0001). Among the patients with different stages of hepatitis, asymptomatic individuals (ASYM) revealed higher sMICB serum levels while liver cirrhosis (LC) patients revealed lower sMICB serum levels (P < 0.0001) compared to other patient groups. Notably, the sMICB serum levels were decreased in treated HCC patient group compared to not-treated HCC patient group (P = 0.05). Additionally, the sMICB levels were significantly correlated with platelet counts in ASYM and HCC patients (r = −0.37, P = 0.009; and r = 0.22, P = 0.025, respectively). Conclusions Our results demonstrate a potential role of sMICB serum levels and platelet counts during immune response to the HBV infection, liver disease progression and response to the HCC treatment.
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Affiliation(s)
- Hoang Van Tong
- Vietnam Military Medical University, 160 Phung Hung Street, Ha Dong District, Ha Noi, Viet Nam. .,Institute of Tropical Medicine, University of Tübingen, Wilhelmstr. 27, 72074, Tübingen, Germany.
| | - Le Huu Song
- Tran Hung Dao Hospital, 108 Institute of Clinical Medical and Pharmaceutical Sciences, No 1 Tran Hung Dao Street, Hai Ba Trung District, Hanoi, Vietnam.
| | - Nghiem Xuan Hoan
- Tran Hung Dao Hospital, 108 Institute of Clinical Medical and Pharmaceutical Sciences, No 1 Tran Hung Dao Street, Hai Ba Trung District, Hanoi, Vietnam.
| | - Bui Khac Cuong
- Vietnam Military Medical University, 160 Phung Hung Street, Ha Dong District, Ha Noi, Viet Nam. .,Department of Pathophysiology, Vietnam Military Medical University, 160 Phung Hung, Ha Dong, Ha Noi, Vietnam.
| | - Bui Tien Sy
- Vietnam Military Medical University, 160 Phung Hung Street, Ha Dong District, Ha Noi, Viet Nam. .,Robert Koch Institute, Seestrasse 10, D-13353, Berlin, Germany.
| | - Ho Anh Son
- Vietnam Military Medical University, 160 Phung Hung Street, Ha Dong District, Ha Noi, Viet Nam. .,Department of Pathophysiology, Vietnam Military Medical University, 160 Phung Hung, Ha Dong, Ha Noi, Vietnam.
| | - Do Quyet
- Vietnam Military Medical University, 160 Phung Hung Street, Ha Dong District, Ha Noi, Viet Nam.
| | - Vu Quoc Binh
- Vietnam Military Medical Bureau, No 276 Nghi Tam, Tay Ho District, Hanoi, Vietnam.
| | - Peter G Kremsner
- Institute of Tropical Medicine, University of Tübingen, Wilhelmstr. 27, 72074, Tübingen, Germany.
| | | | - Thirumalaisamy P Velavan
- Institute of Tropical Medicine, University of Tübingen, Wilhelmstr. 27, 72074, Tübingen, Germany. .,Fondation Congolaise pour la Recherche Medicale, P.O Box 2672, Brazzaville, Republic of Congo.
| | - Nguyen Linh Toan
- Vietnam Military Medical University, 160 Phung Hung Street, Ha Dong District, Ha Noi, Viet Nam. .,Department of Pathophysiology, Vietnam Military Medical University, 160 Phung Hung, Ha Dong, Ha Noi, Vietnam.
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14
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Guerra N, Pestal K, Juarez T, Beck J, Tkach K, Wang L, Raulet DH. A selective role of NKG2D in inflammatory and autoimmune diseases. Clin Immunol 2013; 149:432-9. [PMID: 24211717 DOI: 10.1016/j.clim.2013.09.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2013] [Revised: 09/05/2013] [Accepted: 09/06/2013] [Indexed: 02/04/2023]
Abstract
The NKG2D activating receptor has been implicated in numerous autoimmune diseases. We tested the role of NKG2D in models of autoimmunity and inflammation using NKG2D knockout mice and antibody blockade experiments. The severity of experimental autoimmune encephalitis (EAE) was decreased in NKG2D-deficient mice when the disease was induced with a limiting antigen dose, but unchanged with an optimal antigen dose. Surprisingly, however, NKG2D deficiency had no detectable effect in several other models, including two models of type 1 diabetes, and a model of intestinal inflammation induced by poly(I:C). NKG2D antibody blockade in normal mice also failed to inhibit disease in the NOD diabetes model or the intestinal inflammation model. Published evidence using NKG2D knockout mice demonstrated a role for NKG2D in mouse models of atherosclerosis and liver inflammation, as well as in chronic obstructive pulmonary disease. Therefore, our results suggest that NKG2D plays selective roles in inflammatory diseases.
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Affiliation(s)
- Nadia Guerra
- Department of Molecular and Cell Biology, and Cancer Research Laboratory, 489 Life Sciences, Addition, University of California at Berkeley, Berkeley, CA 94720, USA.,Department of Life Science, Imperial College London, Imperial College Road, SW7 2AZ, London
| | - Kathleen Pestal
- Department of Molecular and Cell Biology, and Cancer Research Laboratory, 489 Life Sciences, Addition, University of California at Berkeley, Berkeley, CA 94720, USA
| | - Tiffany Juarez
- Department of Molecular and Cell Biology, and Cancer Research Laboratory, 489 Life Sciences, Addition, University of California at Berkeley, Berkeley, CA 94720, USA
| | - Jennifer Beck
- Department of Molecular and Cell Biology, and Cancer Research Laboratory, 489 Life Sciences, Addition, University of California at Berkeley, Berkeley, CA 94720, USA
| | - Karen Tkach
- Department of Molecular and Cell Biology, and Cancer Research Laboratory, 489 Life Sciences, Addition, University of California at Berkeley, Berkeley, CA 94720, USA
| | - Lin Wang
- Department of Molecular and Cell Biology, and Cancer Research Laboratory, 489 Life Sciences, Addition, University of California at Berkeley, Berkeley, CA 94720, USA
| | - David H Raulet
- Department of Molecular and Cell Biology, and Cancer Research Laboratory, 489 Life Sciences, Addition, University of California at Berkeley, Berkeley, CA 94720, USA
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15
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Jiang X, Huang JF, Huo Z, Zhang Q, Jiang Y, Wu X, Li Y, Jiang G, Zeng L, Yan XX, Yu P, Cao R. Elevation of soluble major histocompatibility complex class I related chain A protein in malignant and infectious diseases in Chinese patients. BMC Immunol 2012. [PMID: 23181907 PMCID: PMC3552998 DOI: 10.1186/1471-2172-13-62] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Background Elevation of soluble major histocompatibility complex class I chain-related gene A (sMICA) products in serum has been linked to tissue/organ transplantation, autoimmune diseases and some malignant disorders. Cells infected by microbiological pathogens may release sMICA, whereas less is known whether and to what extent serum sMICA levels may change in infectious diseases. Methods The present study determined serum sMICA levels by enzyme-linked immunosorbent assay (ELISA) in a southern China population, including patients (n = 1041) suffering from several types of malignant and infectious diseases and healthy controls (n = 141). Results Relative to controls, serum sMICA elevation was significant in patients of hepatic cancer, and was approaching statistical significance in patients with lung, gastric and nasopharyngeal cancers. sMICA elevation was also associated with some bacterial (Enterobacteriaceae, Mycobacterium tuberculosis, non-fermenting Gram-negative bacteria and Gram-positive cocci), viral (hepatitis B and C) and the Microspironema pallidum infections. Conclusion Serum sMICA levels may be informative for the diagnosis of some malignant and infectious diseases. The results also indicate that microbiological infections should be considered as a potential confounding clinical condition causing serum sMICA elevation while using this test to evaluate the status of other disorders, such as cancers, host-graft response and autoimmune diseases.
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Affiliation(s)
- Xiaoxin Jiang
- The First Affiliated Hospital, Nanhua University, Hengyang, China.
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16
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Wu BJ, Li WP, Qian C, Ding W, Zhou ZW, Jiang H. Serum soluble MICB (sMICB) correlates with disease progression and survival in melanoma patients. Tumour Biol 2012; 34:565-9. [PMID: 23150178 DOI: 10.1007/s13277-012-0582-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2012] [Accepted: 11/01/2012] [Indexed: 02/05/2023] Open
Abstract
Recently, it was reported that soluble MICB (sMICB) may impair tumor immunogenicity by reducing natural killer group 2D ligand densities on malignant cells. The aim of this study was to elucidate the role of sMICB in melanoma patients. In the present study, we determined sMICB serum concentration in 125 melanoma patients of different clinical stages of disease compared with 30 healthy controls using an ELISA. The correlations between sMICB serum concentration and clinicopathologic variables were analyzed. sMICB serum level was significantly elevated (P < 0.0005) in melanoma patients (mean ± SE = 8.60 ± 0.26 ng/ml) compared with healthy controls (mean ± SE = 6.27 ± 0.25 ng/ml). Univariate analysis revealed a correlation of sMICB serum concentration with advanced stages of disease (P = 0.009). Only a slight increase in sMICB serum level (P = 0.057) could be observed in regard to the tumor burden. Patients undergoing current treatment with cytostatics (n = 18) revealed a strong increase in sMICB serum level (P < 0.0005), whereas treatment with IFN-α alone or combined with cytostatics (n = 19) showed no change in serum sMICB concentration. According to Kaplan-Meier analysis, elevated sMICB serum levels were associated with a poor overall and a progression-free survival. Multivariate analysis revealed sMICB serum concentration as an independent predictive factor for progression-free and overall survival. Our results show a prognostic relevance of serum sMICB in melanoma patients, indicating that the evaluation of sMICB serum level may be important for the selection of therapeutic strategies.
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Affiliation(s)
- Bao-Jin Wu
- Department of Plastic Surgery, Huashan Hospital, Fudan University, No. 12, Wulumuqi Zhong Rd., Shanghai, 200040, China.
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17
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Kaur G, Trowsdale J, Fugger L. Natural killer cells and their receptors in multiple sclerosis. ACTA ACUST UNITED AC 2012; 136:2657-76. [PMID: 22734127 DOI: 10.1093/brain/aws159] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The immune system has crucial roles in the pathogenesis of multiple sclerosis. While the adaptive immune cell subsets, T and B cells, have been the main focus of immunological research in multiple sclerosis, it is now important to realize that the innate immune system also has a key involvement in regulating autoimmune responses in the central nervous system. Natural killer cells are innate lymphocytes that play vital roles in a diverse range of infections. There is evidence that they influence a number of autoimmune conditions. Recent studies in multiple sclerosis and its murine model, experimental autoimmune encephalomyelitis, are starting to provide some understanding of the role of natural killer cells in regulating inflammation in the central nervous system. Natural killer cells express a diverse range of polymorphic cell surface receptors, which interact with polymorphic ligands; this interaction controls the function and the activation status of the natural killer cell. In this review, we discuss evidence for the role of natural killer cells in multiple sclerosis and experimental autoimmune encephalomyelitis. We consider how a change in the balance of signals received by the natural killer cell influences its involvement in the ensuing immune response, in relation to multiple sclerosis.
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Affiliation(s)
- Gurman Kaur
- MRC Human Immunology Unit, Nuffield Department of Medicine, Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DS, UK
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18
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Sarig O, Bercovici S, Zoller L, Goldberg I, Indelman M, Nahum S, Israeli S, Sagiv N, Martinez de Morentin H, Katz O, Baum S, Barzilai A, Trau H, Murrell DF, Bergman R, Hertl M, Rosenberg S, Nöthen MM, Skorecki K, Schmidt E, Zillikens D, Darvasi A, Geiger D, Rosset S, Ibrahim SM, Sprecher E. Population-specific association between a polymorphic variant in ST18, encoding a pro-apoptotic molecule, and pemphigus vulgaris. J Invest Dermatol 2012; 132:1798-805. [PMID: 22437316 DOI: 10.1038/jid.2012.46] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Pemphigus vulgaris (PV) is a severe autoimmune blistering disease caused by anti-epithelial antibodies, leading to disruption of cell-cell adhesion. Although the disease is exceedingly rare worldwide, it is known to be relatively prevalent in Jewish populations. The low prevalence of the disease represents a significant obstacle to a genome-wide approach to the mapping of susceptibility genes. We reasoned that the study of a genetically homogeneous cohort characterized by a high prevalence of PV may help exposing associated signals while reducing spurious results due to population sub-structure. We performed a genome-wide association study using 300K single-nucleotide polymorphisms (SNPs) in a case-control study of 100 PV patients of Jewish descent and 397 matched control individuals, followed by replication of significantly associated SNPs in three additional cohorts of Jewish, Egyptian, and German origin. In addition to the major histocompatibility complex locus, a genomic segment on 8q11.23 that spans the ST18 gene was also found to be significantly associated with PV. This association was confirmed in the Jewish and Egyptian replication sets but not in the German sample, suggesting that ST18-associated variants may predispose to PV in a population-specific manner. ST18 regulates apoptosis and inflammation, two processes of direct relevance to the pathogenesis of PV. Further supporting the relevance of ST18 to PV, we found this gene to be overexpressed in the skin of PV patients as compared with healthy individuals.
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Affiliation(s)
- Ofer Sarig
- Department of Dermatology, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
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Zhao J, Guo Y, Yan Z, Zhang J, Bushkin Y, Liang P. Soluble MHC I and soluble MIC molecules: potential therapeutic targets for cancer. Int Rev Immunol 2011; 30:35-43. [PMID: 21235324 DOI: 10.3109/08830185.2010.543711] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
It has become clear that soluble MHC I (sMHC I) and soluble MIC (sMIC), which are highly elevated in sera of cancer patients, can be viewed to be tolerogenic, and that metalloproteinases are involved in their generation process. In this review, an overview is provided of the recent progress made in the sMHC I and sMIC fields, with emphasis on their structure, formation, and function, and the key-questions that still await answers are addressed. Understanding better their formation mechanism, it will become more feasible to modulate the immune responses in cancer patients by targeting molecules involved in their generation process.
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Affiliation(s)
- Jinrong Zhao
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, School of Pharmacy, Fourth Military Medical University, Xi'an, China
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20
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Del Toro-Arreola S, Arreygue-Garcia N, Aguilar-Lemarroy A, Cid-Arregui A, Jimenez-Perez M, Haramati J, Barros-Nuñez P, Gonzalez-Ramella O, Del Toro-Arreola A, Ortiz-Lazareno P, Hernandez-Flores G, Bravo-Cuellar A, Daneri-Navarro A, Jave-Suarez LF. MHC class I-related chain A and B ligands are differentially expressed in human cervical cancer cell lines. Cancer Cell Int 2011; 11:15. [PMID: 21631944 PMCID: PMC3120738 DOI: 10.1186/1475-2867-11-15] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2010] [Accepted: 06/01/2011] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Natural killer (NK) cells are an important resource of the innate immune system directly involved in the spontaneous recognition and lysis of virus-infected and tumor cells. An exquisite balance of inhibitory and activating receptors tightly controls the NK cell activity. At present, one of the best-characterized activating receptors is NKG2D, which promotes the NK-mediated lysis of target cells by binding to a family of cell surface ligands encoded by the MHC class I chain-related (MIC) genes, among others. The goal of this study was to describe the expression pattern of MICA and MICB at the molecular and cellular levels in human cervical cancer cell lines infected or not with human papillomavirus, as well as in a non-tumorigenic keratinocyte cell line. RESULTS Here we show that MICA and MICB exhibit differential expression patterns among HPV-infected (SiHa and HeLa) and non-infected cell lines (C33-A, a tumor cell line, and HaCaT, an immortalized keratinocyte cell line). Cell surface expression of MICA was higher than cell surface expression of MICB in the HPV-positive cell lines; in contrast, HPV-negative cells expressed lower levels of MICA. Interestingly, the MICA levels observed in C33-A cells were overcome by significantly higher MICB expression. Also, all cell lines released higher amounts of soluble MICB than of soluble MICA into the cell culture supernatant, although this was most pronounced in C33-A cells. Additionally, Real-Time PCR analysis demonstrated that MICA was strongly upregulated after genotoxic stress. CONCLUSIONS This study provides evidence that even when MICA and MICB share a high degree of homology at both genomic and protein levels, differential regulation of their expression and cell surface appearance might be occurring in cervical cancer-derived cells.
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Affiliation(s)
- Susana Del Toro-Arreola
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, México
| | - Naela Arreygue-Garcia
- División de Inmunología, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México
| | - Adriana Aguilar-Lemarroy
- División de Inmunología, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México
| | - Angel Cid-Arregui
- Translational Immunology Unit, German Cancer Research Center (DKFZ) Im Neuenheimer Feld 280 69120-Heidelberg, Germany
| | - Miriam Jimenez-Perez
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, México
| | - Jesse Haramati
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, México.,División de Inmunología, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México
| | - Patricio Barros-Nuñez
- División de Genética, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México
| | - Oscar Gonzalez-Ramella
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, México
| | - Alicia Del Toro-Arreola
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, México
| | - Pablo Ortiz-Lazareno
- División de Inmunología, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México
| | - Georgina Hernandez-Flores
- División de Inmunología, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México
| | - Alejandro Bravo-Cuellar
- División de Inmunología, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México
| | - Adrian Daneri-Navarro
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, México
| | - Luis F Jave-Suarez
- División de Inmunología, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México
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21
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Prevalence of the NKG2D Thr72Ala polymorphism in patients with systemic lupus erythematosus. Mol Biol Rep 2011; 39:1343-7. [PMID: 21598106 DOI: 10.1007/s11033-011-0868-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2010] [Accepted: 05/12/2011] [Indexed: 10/18/2022]
Abstract
Multiple studies have indicated that SLE incidence exhibits a strong genetic background. We studied the frequency of the natural killer group 2, member D (NKG2D) receptor Thr72Ala (rs2255336) polymorphism in patients with SLE (n = 243) and controls (n = 502) in a sample of the Polish population. The p value for SLE patients with the Thr/Thr genotype was 0.0455 and Odds Ratio (OR) = 0.3846 (95% CI = 0.1458-1.014). For the Thr/Thr and Ala/Thr genotypes we found p = 0.0135 and OR = 0.6556 (95% CI = 0.4684-0.9177). The frequency of the NKG2D 72Thr allele in patients and controls was respectively, 15 and 21%, P = 0.0046, OR = 0.6547 (95% CI = 0.4877-0.8789). Our studies may confirm that the NKG2D 72Thr gene variant may protect against the incidence of SLE.
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22
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Campoli M, Ferrone S. Tumor escape mechanisms: potential role of soluble HLA antigens and NK cells activating ligands. ACTA ACUST UNITED AC 2008; 72:321-34. [PMID: 18700879 DOI: 10.1111/j.1399-0039.2008.01106.x] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The crucial role played by human leukocyte antigen (HLA) antigens and natural killer (NK)-cell-activating ligands in the interactions of malignant cells with components of the host's immune system has stimulated interest in the characterization of their expression by malignant cells. Convincing evidence generated by the immunohistochemical staining of surgically removed malignant lesions with monoclonal antibodies recognizing HLA antigens and NK-cell-activating ligands indicates that the surface expression of these molecules is frequently altered on malignant cells. These changes appear to have clinical significance because in some types of malignant disease they are associated with the histopathological characteristics of the lesions as well as with disease-free interval and survival. These associations have been suggested to reflect the effect of HLA antigen and NK-cell-activating ligand abnormalities on the interactions of tumor cells with antigen-specific cytotoxic T lymphocytes (CTL) and with NK cells. Nevertheless, there are examples in which disease progresses in the face of appropriate HLA antigen and/or NK-cell-activating ligand as well as tumor antigen expression by malignant cells and of functional antigen-specific CTL in the investigated patient. In such scenarios, it is likely that the tumor microenvironment is unfavorable for CTL and NK cell activity and contributes to tumor immune escape. Many distinct escape mechanisms have been shown to protect malignant cells from immune recognition and destruction in the tumor microenvironment. In this article, following the description of the structural and functional characteristics of soluble HLA antigens and NK-cell-activating ligands, we will review changes in their serum level in malignant disease and discuss their potential role in the escape mechanisms used by tumor cells to avoid recognition and destruction.
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Affiliation(s)
- M Campoli
- Department of Dermatology, University of Colorado Health Science Center, Denver, CO, USA
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