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The relevance of HLA class II genes in JAK2 V617F-positive myeloproliferative neoplasms. Hum Immunol 2023; 84:199-207. [PMID: 36707384 DOI: 10.1016/j.humimm.2023.01.006] [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: 05/13/2022] [Revised: 12/29/2022] [Accepted: 01/17/2023] [Indexed: 01/27/2023]
Abstract
In the present study we analyzed the relevance of HLA class II in JAK2 V617F-positive (JAK2 V617F+) myeloproliferative neoplasms (MPNs) focusing on genotype diversity, associations with specific alleles and haplotypes and the level of gene expression. One hundred and thirty-nine JAK2 V617F+ MPN patients and 1083 healthy controls, typed by Next generation sequencing (NGS) were included in the study. Multivariate generalized linear models with age as a covariate were applied for analysis of HLA-II allele and haplotype associations. Publicly available gene expression datasets were used to analyze HLA-II pathway genes expression in CD34+ stem cells (SCs) from MPN patients and healthy controls. We did not observe differences in HLA evolutionary divergence (HED) between JAK2 V617F+ MPNs and healthy controls. Two alleles: HLA-DPB1*03:01, DQB1*04:02 and 4 haplotypes: DPB1*02:01-DQA1*05:05-DQB1*03:01-DRB1*11:01, DPB1*04:02-DQA1*05:05-DQB1*03:01-DRB1*11:03, DPB1*02:01-DQA1*01:04-DQB1*05:03-DRB1*14:04, and DPB1*04:01-DQA1*03:01-DQB1*03:02-DRB1*04:01 had significantly lower frequency in MPN patients compared to controls. Additionally, we observed HLA-II alleles and haplotypes with statistically higher frequencies in JAK2 V617F+ patients. Differential gene expression analysis showed down-regulation of HLA-DRB1, -DRA, -DMA, -DMB, -DOA,-DRB4, CIITA, and CD74 genes in JAK2 V617F+ MPN CD34+ SCs as compared to normal CD34 + SCs. In conclusion, this study provides evidence for the pleiotropic effects of HLA-II genes in JAK2 V617F-driven MPNs.
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van Luijn MM, Chamuleau MED, Ossenkoppele GJ, van de Loosdrecht AA, Marieke van Ham S. Tumor immune escape in acute myeloid leukemia: Class II-associated invariant chain peptide expression as result of deficient antigen presentation. Oncoimmunology 2021; 1:211-213. [PMID: 22720245 PMCID: PMC3376995 DOI: 10.4161/onci.1.2.18100] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
In this overview, we discuss the role of class II-associated invariant chain peptide (CLIP) in acute myeloid leukemia (AML), one of the few tumors expressing HLA class II. The clinical impact, function and regulation of CLIP expression on leukemic cells is addressed, indicating its potential as immunotherapeutic target in AML.
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Affiliation(s)
- Marvin M van Luijn
- Department of Hematology; Cancer Center Amsterdam; VU Institute for Cancer and Immunology; VU University Medical Center; Amsterdam, The Netherlands ; Department of Immunopathology; Sanquin Research and Landsteiner Laboratory; Academic Medical Center; University of Amsterdam; Amsterdam, The Netherlands
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Antohe I, Tanasa MP, Dăscălescu A, Dănăilă C, Titieanu A, Zlei M, Ivanov I, Sireteanu A, Cianga P. The MHC-II antigen presentation machinery and B7 checkpoint ligands display distinctive patterns correlated with acute myeloid leukaemias blast cells HLA-DR expression. Immunobiology 2020; 226:152049. [PMID: 33352400 DOI: 10.1016/j.imbio.2020.152049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 10/09/2020] [Accepted: 11/29/2020] [Indexed: 10/22/2022]
Abstract
Acute Myeloid Leukaemia (AML) is a neoplasia characterised by rapid proliferation and an increased rate of relapses. The AML blasts display features of antigen-presenting cells (APC), and thus can directly modulate the anti-tumour T cell responses. The bone marrow of a group consisting of 30 newly diagnosed patients and four healthy donors (HD) was investigated for the expression of HLA-DR, several molecules involved in MHC-II antigen-presentation and MHC-II groove editing, like HLA-DM, CD74 and CLIP, as well as a set of immune checkpoint ligands, like ICOS-L, B7.2, PD-L2 and B7-H3. The patients were further characterised for their genetic anomalies and distributed to favourable, intermediate and adverse ELN risk categories. We were able to show that while 23% of our patients displayed a low level of HLA-DR surface expression, all patients displayed higher HLA-DM and CD74 expression compared to HD. However, a higher CLIP expression was noticed only in the HLA-DR low patients. The co-inhibitory PD-L2 and B7-H3 molecules were increased in the cases with normal HLA-DR expression; oppositely, the co-stimulatory ICOS-L and the dual function B7.2 were significantly increased in the cases with HLA-DR low expression. Furthermore, no favourable ELN risk cases were found within the HLA-DR low group. All in all, these data show that the AML with low versus normal HLA-DR expression display different profiles of MHC class II machinery molecules and B7 ligands, which are correlated with distinct ELN stratification. Furthermore, as our study included healthy individuals, it offers valuable information about the expression levels that should be considered as normal for these markers known to cause differences in peptide repertoires, reflected further in distinct T-cells polarisation pathways.
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Affiliation(s)
- Ion Antohe
- Haematology Department, "Grigore T. Popa" University of Medicine and Pharmacy, Iaşi, Romania; Haematology Department, Regional Oncology Institute, Iaşi, Romania
| | - Mariana Pavel Tanasa
- Immunology Department, "Grigore T. Popa" University of Medicine and Pharmacy, Iaşi, Romania
| | - Angela Dăscălescu
- Haematology Department, "Grigore T. Popa" University of Medicine and Pharmacy, Iaşi, Romania; Haematology Department, Regional Oncology Institute, Iaşi, Romania
| | - Cătălin Dănăilă
- Haematology Department, "Grigore T. Popa" University of Medicine and Pharmacy, Iaşi, Romania; Haematology Department, Regional Oncology Institute, Iaşi, Romania
| | - Amalia Titieanu
- Haematology Department, "Grigore T. Popa" University of Medicine and Pharmacy, Iaşi, Romania; Haematology Department, Regional Oncology Institute, Iaşi, Romania
| | - Mihaela Zlei
- Immunophenotyping Department, Regional Oncology Institute, Iaşi, Romania
| | - Iuliu Ivanov
- Molecular Diagnostic Department, Regional Oncology Institute, Iaşi, Romania
| | - Adriana Sireteanu
- Molecular Diagnostic Department, Regional Oncology Institute, Iaşi, Romania
| | - Petru Cianga
- Immunology Department, "Grigore T. Popa" University of Medicine and Pharmacy, Iaşi, Romania.
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Antohe I, Dǎscǎlescu A, Dǎnǎilǎ C, Titieanu A, Zlei M, Ivanov I, Sireteanu A, Pavel M, Cianga P. B7-Positive and B7-Negative Acute Myeloid Leukemias Display Distinct T Cell Maturation Profiles, Immune Checkpoint Receptor Expression, and European Leukemia Net Risk Profiles. Front Oncol 2020; 10:264. [PMID: 32231996 PMCID: PMC7082324 DOI: 10.3389/fonc.2020.00264] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 02/14/2020] [Indexed: 01/24/2023] Open
Abstract
Acute myeloid leukemia (AML) is generally considered a poorly immunogenic malignancy, displaying a “non-inflamed” leukemia microenvironment (LME), leading to T cell tolerance. However, the immune landscape of AML is much more heterogeneous. Since B7 expression is regarded as a consequence of an interferon-mediated “inflammatory” phenotype, we have investigated by flow cytometry the B7 checkpoint ligands B7.1, B7.2, programmed death ligand 1 (PD-L1), PD-L2, ICOS-L, B7-H3, and B7-H4 on the AML blasts of 30 newly diagnosed patients and their corresponding receptors [cytotoxic T lymphocyte-associated protein 4 (CTLA-4), programmed death 1 (PD-1), and inducible T cell costimulator (ICOS)] on bone marrow (BM) T cell maturation populations. We could thus evidence B7-negative and B7-positive leukemias either with an isolated expression or part of eight different checkpoint ligand “signatures” that always included an inhibitory B7 molecule. B7-positive AMLs encompassed intermediate and adverse European Leukemia Net (ELN) risk cases and displayed mainly central memory CD4+ T cells with high ICOS levels and effector CD8+ T cells with high PD-1 expression. B7-negative cases were rather classified as AML with recurrent genetic anomalies and displayed predominantly naive T cells, with the exception of NPM1 mutated AMLs, which expressed B7-H3. These different B7 immune profiles suggest that specific immunotherapies are required to target the distinct immune evasion strategies of this genetically heterogeneous disease.
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Affiliation(s)
- Ion Antohe
- Hematology Department, Grigore T. Popa University of Medicine and Pharmacy, Iaşi, Romania.,Hematology Department, Regional Oncology Institute, Iaşi, Romania
| | - Angela Dǎscǎlescu
- Hematology Department, Grigore T. Popa University of Medicine and Pharmacy, Iaşi, Romania.,Hematology Department, Regional Oncology Institute, Iaşi, Romania
| | - Cǎtǎlin Dǎnǎilǎ
- Hematology Department, Grigore T. Popa University of Medicine and Pharmacy, Iaşi, Romania.,Hematology Department, Regional Oncology Institute, Iaşi, Romania
| | - Amalia Titieanu
- Hematology Department, Grigore T. Popa University of Medicine and Pharmacy, Iaşi, Romania.,Hematology Department, Regional Oncology Institute, Iaşi, Romania
| | - Mihaela Zlei
- Immunophenotyping Department, Regional Oncology Institute, Iaşi, Romania
| | - Iuliu Ivanov
- Molecular Diagnostic Department, Regional Oncology Institute, Iaşi, Romania
| | - Adriana Sireteanu
- Molecular Diagnostic Department, Regional Oncology Institute, Iaşi, Romania
| | - Mariana Pavel
- Immunology Department, Grigore T. Popa University of Medicine and Pharmacy, Iaşi, Romania
| | - Petru Cianga
- Immunology Department, Grigore T. Popa University of Medicine and Pharmacy, Iaşi, Romania
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Rock KL, Reits E, Neefjes J. Present Yourself! By MHC Class I and MHC Class II Molecules. Trends Immunol 2016; 37:724-737. [PMID: 27614798 DOI: 10.1016/j.it.2016.08.010] [Citation(s) in RCA: 447] [Impact Index Per Article: 55.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2016] [Revised: 08/09/2016] [Accepted: 08/15/2016] [Indexed: 12/01/2022]
Abstract
Since the discovery of MHC molecules, it has taken 40 years to arrive at a coherent picture of how MHC class I and MHC class II molecules really work. This is a story of the proteases and MHC-like chaperones that support the MHC class I and II molecules in presenting peptides to the immune system. We now understand that the MHC system shapes both the repertoire of presented peptides and the subsequent T cell response, with important implications ranging from transplant rejection to tumor immunotherapies. Here we present an illustrated review of the ins and outs of MHC class I and MHC class II antigen presentation.
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Affiliation(s)
- Kenneth L Rock
- Department of Pathology, UMass Medical School, Worcester, MA, USA
| | - Eric Reits
- Department of Cell Biology and Histology, Amsterdam Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Jacques Neefjes
- Department of Cell Biology, The Netherlands Cancer Institute, Amsterdam, The Netherlands; Department of Chemical Immunology, Leiden University Medical Center, Leiden, The Netherlands.
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Dawson NA, Roesch EE. Sipuleucel-T and immunotherapy in the treatment of prostate cancer. Expert Opin Biol Ther 2014; 14:709-19. [DOI: 10.1517/14712598.2014.896897] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Abstract
The improved survival with sipuleucel-T, an autologous antigen-presenting cell-based agent, for the treatment of patients with metastatic asymptomatic and minimally symptomatic castration-resistant prostate cancer supports immunotherapy as a valid approach. Also, multiple novel immunotherapeutic approaches are undergoing vigorous investigation. T-lymphocyte checkpoint blockade and poxvirus-based prime-boost approaches are in phase III evaluation. Other immunotherapeutic platforms undergoing early investigation include radioimmunoconjugates and adenovirus-based, DNA-based, and Listeria-based approaches. The development of predictive markers for immune response that translate into improved long-term outcomes is important. This article reviews the emerging data and the unique strengths and weaknesses of these approaches.
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Affiliation(s)
- Guru Sonpavde
- Department of Medicine, Section of Medical Oncology, University of Alabama at Birmingham (UAB) Comprehensive Cancer Center, Birmingham, AL 35294, USA
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van Luijn MM, van de Loosdrecht AA, Lampen MH, van Veelen PA, Zevenbergen A, Kester MGD, de Ru AH, Ossenkoppele GJ, van Hall T, van Ham SM. Promiscuous binding of invariant chain-derived CLIP peptide to distinct HLA-I molecules revealed in leukemic cells. PLoS One 2012; 7:e34649. [PMID: 22563374 PMCID: PMC3338516 DOI: 10.1371/journal.pone.0034649] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2011] [Accepted: 03/05/2012] [Indexed: 01/20/2023] Open
Abstract
Antigen presentation by HLA class I (HLA-I) and HLA class II (HLA-II) complexes is achieved by proteins that are specific for their respective processing pathway. The invariant chain (Ii)-derived peptide CLIP is required for HLA-II-mediated antigen presentation by stabilizing HLA-II molecules before antigen loading through transient and promiscuous binding to different HLA-II peptide grooves. Here, we demonstrate alternative binding of CLIP to surface HLA-I molecules on leukemic cells. In HLA-II-negative AML cells, we found plasma membrane display of the CLIP peptide. Silencing Ii in AML cells resulted in reduced HLA-I cell surface display, which indicated a direct role of CLIP in the HLA-I antigen presentation pathway. In HLA-I-specific peptide eluates from B-LCLs, five Ii-derived peptides were identified, of which two were from the CLIP region. In vitro peptide binding assays strikingly revealed that the eluted CLIP peptide RMATPLLMQALPM efficiently bound to four distinct HLA-I supertypes (-A2, -B7, -A3, -B40). Furthermore, shorter length variants of this CLIP peptide also bound to these four supertypes, although in silico algorithms only predicted binding to HLA-A2 or -B7. Immunization of HLA-A2 transgenic mice with these peptides did not induce CTL responses. Together these data show a remarkable promiscuity of CLIP for binding to a wide variety of HLA-I molecules. The found participation of CLIP in the HLA-I antigen presentation pathway could reflect an aberrant mechanism in leukemic cells, but might also lead to elucidation of novel processing pathways or immune escape mechanisms.
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Affiliation(s)
- Marvin M van Luijn
- Department of Hematology, VU Institute for Cancer and Immunology, VU University Medical Center, Amsterdam, The Netherlands.
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Sonpavde G, Agarwal N, Choueiri TK, Kantoff PW. Recent advances in immunotherapy for the treatment of prostate cancer. Expert Opin Biol Ther 2011; 11:997-1009. [PMID: 21675925 DOI: 10.1517/14712598.2011.575357] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
INTRODUCTION Prostate cancer vaccines attempt to induce cancer-specific systemic immune responses and represent a new class of targeted therapies, many of which are non-toxic. Several vaccine technologies are in development. AREAS COVERED An autologous antigen presenting cell vaccine loaded with prostate acid phosphatase conjugated with GM-CSF, sipuleucel-T confers a survival advantage in men with metastatic castration-resistant prostate cancer (CRPC) and is now FDA approved based on the IMPACT trial. A poxvirus-based vaccine, PROSTVAC-VF TRICOM targeting prostate-specific antigen (PSA), has demonstrated improved survival in a randomized Phase II trial of patients with metastatic CRPC. Novel T lymphocyte checkpoint inhibitors of cytotoxic T lymphocyte antigen 4 and programmed death-1 are also emerging. Recognition of improved survival without an earlier clinical signal of activity by conventional criteria has led to new guidelines to evaluate immunotherapeutic agents. The clinical benefit of combining vaccines with chemotherapy, radiotherapy and other immunotherapeutic and biologic agents is being evaluated in the context of disappointing results of combination GVAX vaccine and docetaxel chemotherapy. EXPERT OPINION To build on the success of early phase trials, efforts must be made to optimize vaccine approaches and patient selection.
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Functional macroautophagy induction by influenza A virus without a contribution to major histocompatibility complex class II-restricted presentation. J Virol 2011; 85:6453-63. [PMID: 21525345 DOI: 10.1128/jvi.02122-10] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Major histocompatibility complex (MHC) class II-presented peptides can be derived from both exogenous (extracellular) and endogenous (biosynthesized) sources of antigen. Although several endogenous antigen-processing pathways have been reported, little is known about their relative contributions to global CD4(+) T cell responses against complex antigens. Using influenza virus for this purpose, we assessed the role of macroautophagy, a process in which cytosolic proteins are delivered to the lysosome by de novo vesicle formation and membrane fusion. Influenza infection triggered productive macroautophagy, and autophagy-dependent presentation was readily observed with model antigens that naturally traffic to the autophagosome. Furthermore, treatments that enhance or inhibit macroautophagy modulated the level of presentation from these model antigens. However, validated enzyme-linked immunospot (ELISpot) assays of influenza-specific CD4(+) T cells from infected mice using a variety of antigen-presenting cells, including primary dendritic cells, revealed no detectable macroautophagy-dependent component. In contrast, the contribution of proteasome-dependent endogenous antigen processing to the global influenza CD4(+) response was readily appreciated. The contribution of macroautophagy to the MHC class II-restricted response may vary depending upon the pathogen.
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van Luijn MM, van den Ancker W, Chamuleau MED, Zevenbergen A, Westers TM, Ossenkoppele GJ, van Ham SM, van de Loosdrecht AA. Absence of class II-associated invariant chain peptide on leukemic blasts of patients promotes activation of autologous leukemia-reactive CD4+ T cells. Cancer Res 2011; 71:2507-17. [PMID: 21310823 DOI: 10.1158/0008-5472.can-10-3689] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Immune escape in cancer poses a substantial obstacle to successful cancer immunotherapy. Multiple defects in HLA class I antigen presentation exist in cancer that may contribute to immune escape, but less is known about roles for HLA class II antigen presentation. On class II(+) leukemic blasts, the presence of class II-associated invariant chain peptide (CLIP) is known to be correlated with poor survival in acute myeloid leukemia (AML). In this study, we evaluated the functional significance of CLIP expression on leukemic blasts of AML patients. CD4(+) T cells from patients were cocultured with autologous CLIP(-) and CLIP(+) primary leukemic blasts and analyzed for several functional parameters by flow cytometry. Increased HLA-DR and IFN-γ expression was observed for CD4(+) T cells stimulated with CLIP(-) leukemic blasts, in contrast to CLIP(+) leukemic blasts, which indicated an activation and polarization of the CD4(+) T cells toward T-helper 1 cells. In addition, CLIP(-) leukemic blasts induced greater outgrowth of effector memory CD4(+) T cells (with HLA-DR-restricted T-cell receptor Vβ repertoires) that were associated with better leukemia-specific reactivity than with CLIP(+) leukemic blasts. Our findings offer a clinical rationale to downmodulate CLIP on leukemic blasts as a strategy to degrade immune escape and improve leukemia-specific T-cell immunity in AML patients.
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Affiliation(s)
- Marvin M van Luijn
- Department of Hematology, Cancer Center Amsterdam and VU Institute for Cancer and Immunology, VU University Medical Center, The Netherlands.
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