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Chebly A, Khalil C, Kuzyk A, Beylot-Barry M, Chevret E. T-cell lymphocytes' aging clock: telomeres, telomerase and aging. Biogerontology 2024; 25:279-288. [PMID: 37917220 DOI: 10.1007/s10522-023-10075-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 10/13/2023] [Indexed: 11/04/2023]
Abstract
Aging is the decline of physiological capabilities required for life maintenance and reproduction over time. The human immune cells, including T-cells lymphocytes, undergo dramatic aging-related changes, including those related to telomeres and telomerase. It was demonstrated that telomeres and telomerase play crucial roles in T-cell differentiation, aging, and diseases, including a well-documented link between short telomeres and telomerase activation demonstrated in several T-cells malignancies. Herein, we provide a comprehensive review of the literature regarding T-cells' telomeres and telomerase in health and age related-diseases.
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Affiliation(s)
- Alain Chebly
- Jacques Loiselet Center for Medical Genetics and Genomics (CGGM), Faculty of Medicine, Saint Joseph University, Beirut, Lebanon.
- Higher Institute of Public Health, Saint Joseph University, Beirut, Lebanon.
| | - Charbel Khalil
- Reviva Stem Cell Platform for Research and Applications Center, Bsalim, Lebanon
- Bone Marrow Transplant Unit, Burjeel Medical City, Abu Dhabi, United Arab Emirates
- Lebanese American University School of Medicine, Beirut, Lebanon
| | - Alexandra Kuzyk
- Division of Dermatology, Department of Internal Medicine, University of Calgary, Calgary, AB, Canada
| | - Marie Beylot-Barry
- Dermatology Department, Bordeaux University Hospital, Bordeaux, France
- Univ. Bordeaux, INSERM, BRIC, U1312, 33000, Bordeaux, France
| | - Edith Chevret
- Univ. Bordeaux, INSERM, BRIC, U1312, 33000, Bordeaux, France
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Ford M, Orlando E, Amengual JE. EBV Reactivation and Lymphomagenesis: More Questions than Answers. Curr Hematol Malig Rep 2023; 18:226-233. [PMID: 37566338 DOI: 10.1007/s11899-023-00708-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/11/2023] [Indexed: 08/12/2023]
Abstract
PURPOSE OF REVIEW Epstein-Barr Virus (EBV) is a ubiquitous herpesvirus that affects almost all humans and establishes lifelong infections by infecting B-lymphocytes leading to their immortalization. EBV has a discrete life cycle with latency and lytic reactivation phases. EBV can reactivate and cause lymphoproliferation in both immunocompetent and immunocompromised individuals. There is sparse literature on monitoring protocols for EBV reactivation and no standardized treatment protocols to treat EBV-driven lymphoproliferation. RECENT FINDINGS While there are no FDA-approved therapies to treat EBV, there are several strategies to inhibit EBV replication. These include immunosuppression reduction, nucleoside analogs, HDAC inhibitors, EBV-specific cytotoxic T-lymphocytes (CTLs), and monoclonal antibodies, such as rituximab. There is currently an open clinic trial combining the use of a HDAC inhibitor, nanatinostat, and ganciclovir to treat refractory/relapsed EBV lymphomas. Another novel therapy includes tabelecleucel, which is an allogenic EBV-directed T-cell immunotherapy that was approved by the European Medicines Agency, but is currently only available in the US for limited use in relapsed or refractory EBV-positive PTLD. Further research is needed to establish EBV monitoring protocols in high-risk populations, such as those with autoimmune disease, cancer, HIV, or receiving immunosuppressive therapy. Additionally, standardized treatments for both the prevention of EBV reactivation in high-risk populations and treatment of EBV reactivation and lymphoproliferation need to be established.
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Affiliation(s)
- Maegan Ford
- Division of Pediatric Hematology, Oncology, and Stem Cell Transplant, Columbia University Irving Medical Center, New York, NY, 10032, USA
| | - Evelyn Orlando
- Division of Medicine, Columbia University Irving Medical Center, New York, NY, 10032, USA
| | - Jennifer Effie Amengual
- Division of Hematology and Oncology, Columbia University Irving Medical Center, New York, NY, 10032, USA.
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Abstract
Besides the physiological role of histone deacetalylases in maintaining normal cellular integrity, the acetylation landscape is changed in cancer cells, which has been implicated as a potential target in cancer therapy. The overexpression of certain HDACs correlates with specific cancer types. Therefore, the development of specific HDAC inhibitors may extend the therapeutic strategy for cancer therapy. Here, we describe how to investigate the therapeutic potential of specific HDACi by treatment in a mouse model for B-cell lymphoma, exemplified by the HDAC6 inhibitor Marbostat-100.
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Affiliation(s)
- Eva-Maria Piskor
- Institute of Biochemistry and Biophysics, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, Germany
| | - René Winkler
- Institute of Biochemistry and Biophysics, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, Germany
- Josep Carreras Leukaemia Research Institute (IJC), Badalona, Spain
| | - Christian Kosan
- Institute of Biochemistry and Biophysics, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, Germany.
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Panda D, Das N, Thakral D, Gupta R. Genomic landscape of mature B-cell non-Hodgkin lymphomas - an appraisal from lymphomagenesis to drug resistance. J Egypt Natl Canc Inst 2022; 34:52. [PMID: 36504392 DOI: 10.1186/s43046-022-00154-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 09/27/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Mature B-cell non-Hodgkin lymphomas are one of the most common hematological malignancies with a divergent clinical presentation, phenotype, and course of disease regulated by underlying genetic mechanism. MAIN BODY Genetic and molecular alterations are not only critical for lymphomagenesis but also largely responsible for differing therapeutic response in these neoplasms. In recent years, advanced molecular tools have provided a deeper understanding regarding these oncogenic drives for predicting progression as well as refractory behavior in these diseases. The prognostic models based on gene expression profiling have also been proved effective in various clinical scenarios. However, considerable overlap does exist between the genotypes of individual lymphomas and at the same time where additional molecular lesions may be associated with each entity apart from the key genetic event. Therefore, genomics is one of the cornerstones in the multimodality approach essential for classification and risk stratification of B-cell non-Hodgkin lymphomas. CONCLUSION We hereby in this review discuss the wide range of genetic aberrancies associated with tumorigenesis, immune escape, and chemoresistance in major B-cell non-Hodgkin lymphomas.
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Affiliation(s)
- Devasis Panda
- Department of Laboratory Oncology, Dr. BRAIRCH, AIIMS, New Delhi, 110029, India
| | - Nupur Das
- Department of Laboratory Oncology, Dr. BRAIRCH, AIIMS, New Delhi, 110029, India
| | - Deepshi Thakral
- Department of Laboratory Oncology, Dr. BRAIRCH, AIIMS, New Delhi, 110029, India
| | - Ritu Gupta
- Department of Laboratory Oncology, Dr. BRAIRCH, AIIMS, New Delhi, 110029, India.
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Stergiou IE, Bakasis AD, Giannouli S, Voulgarelis M. Biomarkers of lymphoma in Sjögren's syndrome: what's the latest? Expert Rev Clin Immunol 2022; 18:1155-1171. [PMID: 36097855 DOI: 10.1080/1744666x.2022.2123794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Primary Sjögren's syndrome (pSS) is a chronic autoimmune disease standing in the crossroads of autoimmunity and lymphomagenesis, characterized by chronic B-cell hyperactivity and ectopic lymphoid tissue neoformation, potentially driving lymphoid malignant transformation. Lymphoma development is considered the most serious complication of pSS. AREAS COVERED: “ Old-classical" biomarkers (clinical, serological, hematological, and histological) validated in the past are analyzed under the perspective of recently published research. Biomarkers that have emerged during the last decade are subdivided to "old-new" and "newly proposed-novel" ones, including biomarkers pathophysiologically related to B-cell differentiation, lymphoid organization, and immune responses, identified in serum and tissue, both at genetic and protein level. Upcoming new imaging biomarkers, promising for further patient stratification, are also analyzed. EXPERT OPINION Salivary gland enlargement and cryoglobulinemia still remain the best validated "classical-old" biomarkers for lymphoma development. Though new biomarkers still need to be validated, some can be used for the identification of high-risk patients long before lymphoma diagnosis, some might be more relevant in distinct age subgroups, while others have an added value in the assessment of lymphoma remission or relapse. Future development of composite indices integrating old and recently proposed biomarkers could contribute to a more precise lymphoma prediction model.
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Affiliation(s)
- Ioanna E Stergiou
- Department of Pathophysiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Athanasios-Dimitrios Bakasis
- Department of Pathophysiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Stavroula Giannouli
- Hematology Unit, Second Department of Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Michael Voulgarelis
- Department of Pathophysiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
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Böttcher K, Braunschmidt K, Hirth G, Schärich K, Klassert TE, Stock M, Sorgatz J, Fischer-Burkart S, Ullrich S, Frankenberger S, Kritsch D, Kosan C, Küppers R, Strobl LJ, Slevogt H, Zimber-Strobl U, Jungnickel B. Context-dependent regulation of immunoglobulin mutagenesis by p53. Mol Immunol 2021; 138:128-136. [PMID: 34392111 DOI: 10.1016/j.molimm.2021.08.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 07/22/2021] [Accepted: 08/04/2021] [Indexed: 10/20/2022]
Abstract
p53 plays a major role in genome maintenance. In addition to multiple p53 functions in the control of DNA repair, a regulation of DNA damage bypass via translesion synthesis has been implied in vitro. Somatic hypermutation of immunoglobulin genes for affinity maturation of antibody responses is based on aberrant translesion polymerase action and must be subject to stringent control to prevent genetic alterations and lymphomagenesis. When studying the role of p53 in somatic hypermutation in vivo, we found altered translesion polymerase-mediated A:T mutagenesis in mice lacking p53 in all organs, but notably not in mice with B cell-specific p53 inactivation, implying that p53 functions in non-B cells may alter mutagenesis in B cells. During class switch recombination, when p53 prevents formation of chromosomal translocations, we in addition detected a B cell-intrinsic role for p53 in altering G:C and A:T mutagenesis. Thus, p53 regulates translesion polymerase activity and shows differential activity during somatic hypermutation versus class switch recombination in vivo. Finally, p53 inhibition leads to increased somatic hypermutation in human B lymphoma cells. We conclude that loss of p53 function may promote genetic instability via multiple routes during antibody diversification in vivo.
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Affiliation(s)
- Katrin Böttcher
- Department of Cell Biology, Institute of Biochemistry and Biophysics, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany.
| | - Kerstin Braunschmidt
- Department of Cell Biology, Institute of Biochemistry and Biophysics, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany; Institute of Clinical Molecular Biology, Helmholtz Center Munich, German Research Center for Environmental Health, Munich, Germany.
| | - Gianna Hirth
- Department of Cell Biology, Institute of Biochemistry and Biophysics, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany.
| | - Karsten Schärich
- Department of Cell Biology, Institute of Biochemistry and Biophysics, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany.
| | - Tilman E Klassert
- Host Septomics, ZIK Septomics, Jena University Hospital, Jena, Germany.
| | - Magdalena Stock
- Host Septomics, ZIK Septomics, Jena University Hospital, Jena, Germany.
| | - Janine Sorgatz
- Department of Cell Biology, Institute of Biochemistry and Biophysics, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany.
| | - Sabine Fischer-Burkart
- Institute of Clinical Molecular Biology, Helmholtz Center Munich, German Research Center for Environmental Health, Munich, Germany.
| | - Steffen Ullrich
- Department of Cell Biology, Institute of Biochemistry and Biophysics, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany.
| | - Samantha Frankenberger
- Institute of Clinical Molecular Biology, Helmholtz Center Munich, German Research Center for Environmental Health, Munich, Germany
| | - Daniel Kritsch
- Department of Cell Biology, Institute of Biochemistry and Biophysics, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany; Institute of Biochemistry and Biophysics, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany.
| | - Christian Kosan
- Institute of Biochemistry and Biophysics, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany.
| | - Ralf Küppers
- Institute of Cell Biology (Cancer Research), University of Duisburg-Essen, Medical School, Essen, Germany.
| | - Lothar J Strobl
- Department of Gene Vectors, Helmholtz Center Munich, German Research Center for Environmental Health, Munich, Germany.
| | - Hortense Slevogt
- Host Septomics, ZIK Septomics, Jena University Hospital, Jena, Germany.
| | - Ursula Zimber-Strobl
- Department of Gene Vectors, Helmholtz Center Munich, German Research Center for Environmental Health, Munich, Germany.
| | - Berit Jungnickel
- Department of Cell Biology, Institute of Biochemistry and Biophysics, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany; Institute of Clinical Molecular Biology, Helmholtz Center Munich, German Research Center for Environmental Health, Munich, Germany.
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Lopusna K, Nowialis P, Opavska J, Abraham A, Riva A, Opavsky R. Dnmt3b catalytic activity is critical for its tumour suppressor function in lymphomagenesis and is associated with c-Met oncogenic signalling. EBioMedicine 2021; 63:103191. [PMID: 33418509 PMCID: PMC7804970 DOI: 10.1016/j.ebiom.2020.103191] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 12/10/2020] [Accepted: 12/14/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND DNA methylation regulates gene transcription in many physiological processes in mammals including development and haematopoiesis. It is catalysed by several DNA methyltransferases, including Dnmt3b that mediates both methylation-dependant and independent gene repression. Dnmt3b is critical for mouse embryogenesis and functions as a tumour suppressor in haematologic malignancies in mice. However, the extent to which Dnmt3b's catalytic activity (CA) is involved in development and cancer is unclear. METHODS We used a mouse model expressing catalytically inactive Dnmt3b (Dnmt3bCI) to study a role of Dnmt3b's CA in development and cancer. We utilized global approaches including Whole-genome Bisulfite sequencing and RNA-seq to analyse DNA methylation and gene expression to identify putative targets of Dnmt3b's CA. To analyse postnatal development and haematopoiesis, we used tissue staining, histological and FACS analysis. To determine potential involvement of selected genes in lymphomagenesis, we used overexpression and knock down approaches followed by in vitro growth assays. FINDINGS We show that mice expressing Dnmt3bCI only, survive postnatal development and develop ICF (the immunodeficiency-centromeric instability-facial anomalies) -like syndrome. The lack of Dnmt3b's CA promoted fibroblasts transformation in vitro, accelerated MLL-AF9 driven Acute Myeloid Leukaemia and MYC-induced T-cell lymphomagenesis in vivo. The elimination of Dnmt3b's CA resulted in decreased methylation of c-Met promoter and its upregulation, activated oncogenic Met signalling, Stat3 phosphorylation and up-regulation of Lin28b promoting lymphomagenesis. INTERPRETATION Our data demonstrates that Dnmt3b's CA is largely dispensable for mouse development but critical to prevent tumourigenesis by controlling events involved in cellular transformation. FUNDING This study was supported by Department of Anatomy and Cell Biology and Cancer Centre at the University of Florida start-up funds, NIH/NCI grant 1R01CA188561-01A1 (R.O.).
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Affiliation(s)
- Katarina Lopusna
- Department of Anatomy and Cell Biology, University of Florida College of Medicine, 2033 Mowry Rd, CGRC 258, Gainesville, FL 32610, United States
| | - Pawel Nowialis
- Department of Anatomy and Cell Biology, University of Florida College of Medicine, 2033 Mowry Rd, CGRC 258, Gainesville, FL 32610, United States
| | - Jana Opavska
- Department of Anatomy and Cell Biology, University of Florida College of Medicine, 2033 Mowry Rd, CGRC 258, Gainesville, FL 32610, United States
| | - Ajay Abraham
- Department of Anatomy and Cell Biology, University of Florida College of Medicine, 2033 Mowry Rd, CGRC 258, Gainesville, FL 32610, United States
| | - Alberto Riva
- ICBR Bioinformatics, Cancer and Genetics Research Complex, University of Florida, P.O. Box 103622. Gainesville, FL 32610, United States
| | - Rene Opavsky
- Department of Anatomy and Cell Biology, University of Florida College of Medicine, 2033 Mowry Rd, CGRC 258, Gainesville, FL 32610, United States.
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Rios LAS, Cloete B, Mowla S. Activation-induced cytidine deaminase: in sickness and in health. J Cancer Res Clin Oncol 2020; 146:2721-30. [PMID: 32772231 DOI: 10.1007/s00432-020-03348-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 08/04/2020] [Indexed: 12/17/2022]
Abstract
Activation Induced cytidine Deaminase (AID) is an essential enzyme of the adaptive immune system. Its canonical activity is restricted to B lymphocytes, playing an essential role in the diversification of antibodies by enhancing specificity and changing affinity. This is possible through its DNA deaminase function, leading to mutations in DNA. In the last decade, AID has been assigned an additional function: that of a powerful DNA demethylator. Adverse cellular conditions such as chronic inflammation can lead to its deregulation and overexpression. It is an important driver of B-cell lymphoma due to its natural ability to modify DNA through deamination, leading to mutations and epigenetic changes. However, the deregulation of AID is not restricted to lymphoid cells. Recent findings have provided new insights into the role that this protein plays in the development of non-lymphoid cancers, with some research shedding light on novel AID-driven mechanisms of cellular transformation. In this review, we provide an updated narrative of the normal physiological functions of AID. Additionally, we review and discuss the recent research studies that have implicated AID in carcinogenesis in varying tissue types including lymphoid and non-lymphoid cancers. We review the mechanisms, whereby AID promotes carcinogenesis and highlight important areas of future research.
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Fernandes M, Teixeira AL, Medeiros R. The opportunistic effect of exosomes on Non-Hodgkin Lymphoma microenvironment modulation. Crit Rev Oncol Hematol 2019; 144:102825. [PMID: 31734546 DOI: 10.1016/j.critrevonc.2019.102825] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Revised: 10/20/2019] [Accepted: 10/22/2019] [Indexed: 12/14/2022] Open
Abstract
There has been a shift in the paradigm of Non-Hodgkin lymphomas, changing from the classical genetic aberration-based model to a more complex and dynamic model involving tumor microenvironment interactions. In this instance, exosomes have emerged as important mediators in intercellular communication by providing survival and proliferation signals, licensing immune evasion and acquisition of drug resistance. The capability to transfer molecular cargo made exosomes a focus of research to understand cancer pathogenesis and its progression pathways. Several studies identified exosomes transporting tumor-released components in peripheral blood and focused on understanding their clinical relevance in the diagnosis, prognostic and in monitoring cancer progression. Moreover, due to their biophysical properties and physiological function, exosomes have drawn attention as potential therapeutic target and drug delivery vehicles. This review will discuss the function of exosomes in Non-Hodgkin lymphomagenesis, highlight their potential as diagnosis and prognosis biomarkers, and as new therapeutic opportunities in lymphoma management.
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Affiliation(s)
- Mara Fernandes
- Molecular Oncology and Viral Pathology Group, IPO-Porto Research Center (CI-IPOP), Portuguese Oncology Institute of Porto (IPO-Porto), Rua Dr António Bernardino de Almeida, 4200-072 Porto, Portugal; Faculty of Medicine, University of Porto (FMUP), Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal; Research Department, LPCC-Portuguese League against Cancer- Northern Branch (Liga Portuguesa Contra o Cancro-Núcleo Regional do Norte), Estrada Interior da Circunvalação 6657, 4200-172 Porto, Portugal
| | - Ana Luísa Teixeira
- Molecular Oncology and Viral Pathology Group, IPO-Porto Research Center (CI-IPOP), Portuguese Oncology Institute of Porto (IPO-Porto), Rua Dr António Bernardino de Almeida, 4200-072 Porto, Portugal
| | - Rui Medeiros
- Molecular Oncology and Viral Pathology Group, IPO-Porto Research Center (CI-IPOP), Portuguese Oncology Institute of Porto (IPO-Porto), Rua Dr António Bernardino de Almeida, 4200-072 Porto, Portugal; Faculty of Medicine, University of Porto (FMUP), Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal; Research Department, LPCC-Portuguese League against Cancer- Northern Branch (Liga Portuguesa Contra o Cancro-Núcleo Regional do Norte), Estrada Interior da Circunvalação 6657, 4200-172 Porto, Portugal; CEBIMED, Faculty of Health Sciences, Fernando Pessoa University, Praça de 9 de Abril 349, 4249-004 Porto, Portugal.
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Nezos A, Evangelopoulos ME, Mavragani CP. Genetic contributors and soluble mediators in prediction of autoimmune comorbidity. J Autoimmun 2019; 104:102317. [PMID: 31444033 DOI: 10.1016/j.jaut.2019.102317] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 08/03/2019] [Indexed: 12/20/2022]
Abstract
Comorbidities including subclinical atherosclerosis, neuropsychological aberrations and lymphoproliferation represent a major burden among patients with systemic autoimmune diseases; they occur either as a result of intrinsic disease related characteristics including therapeutic interventions or traditional risk factors similar to those observed in general population. Soluble molecules recently shown to contribute to subclinical atherosclerosis in the context of systemic lupus erythematosus (SLE) include among others B-cell activating factor (BAFF), hyperhomocysteinemia, parathormone (PTH) levels and autoantibodies against oxidized lipids. Variations of the 5, 10- methylenetetrahydrofolate reductase (MTHFR) gene -the main genetic determinant of hyperhomocystenemia in humans-as well the interferon regulatory factor-8 (IRF8), FcγRIIA and BAFF genes have been all linked to subclinical atherosclerosis in SLE. BAFF variants have been also found to confer increased risk for subclinical atherosclerosis and lymphoma development in Sjogren's syndrome (SS) patients. Other genes shown to be implicated in SS lymphoproliferation include genes involved a. in inflammatory responses such as the NFκB regulator Tumor necrosis factor alpha-induced protein 3 (TNFAIP3) and the Leukocyte immunoglobulin-like receptor A3 (LILRA3) immunoreceptor, b. B cell activation and signaling (BAFF/BAFF-receptor), c. type I IFN pathway such as three-prime repair exonuclease 1 (TREX1), d. epigenetic processes including DNA methylation (MTHFR rs1801133, 677T allele) and e. genomic instability (MTHFR rs1801131, 1298C allele). Emerging soluble biomarkers for SS related lymphoma include mediators of B cell growth and germinal center formation such as BAFF, FMS-like tyrosine kinase 3 ligand (Flt-3L) and CXCL13 as well as inflammatory contributors such as inteleukin (IL)-17, IL-18, ASC, LILRA3 and the extracellular lipoprotein-associated phospholipase A2 (Lp-PLA2). In regard to fatigue and neuropsychologic features in the setting of SS, contributing factors such as BAFF variants, antibodies against neuropeptides, proteins involved in nervous system function as well as inflammatory cytokines have been reported.
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Affiliation(s)
- Adrianos Nezos
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria-Eleutheria Evangelopoulos
- First Department of Neurology, Demyelinating Diseases Unit, Eginition Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Clio P Mavragani
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece; Department of Pathophysiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece; Joint Academic Rheumatology Program, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece.
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Abstract
Mature B- and T-cell lymphomas are diverse in their biology, etiology, genetics, clinical behavior, and response to specific therapies. Here, we review the principles of diagnostic classification for non-Hodgkin lymphomas, summarize the characteristic features of major entities, and place recent biological and molecular findings in the context of principles that are applicable across the spectrum of mature lymphoid cancers.
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Affiliation(s)
- Russell James Hubbard Ryan
- Department of Pathology, University of Michigan Medical School, 4306 Rogel Cancer Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109-5936, USA.
| | - Ryan Alan Wilcox
- Division of Hematology and Oncology, Department of Internal Medicine, University of Michigan Medical School, 4310 Rogel Cancer Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109-5936, USA
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12
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Carloni G, Fioretti D, Rinaldi M, Ponzetto A. Heterogeneity and coexistence of oncogenic mechanisms involved in HCV-associated B-cell lymphomas. Crit Rev Oncol Hematol 2019; 138:156-71. [PMID: 31092372 DOI: 10.1016/j.critrevonc.2019.04.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 04/02/2019] [Accepted: 04/03/2019] [Indexed: 12/15/2022] Open
Abstract
The association of HCV-infection with B-lymphomas is supported by the regression of most indolent/low-grade lymphomas following anti-viral therapy. Studies on direct and indirect oncogenic mechanisms have elucidated the pathogenesis of HCV-associated B-lymphoma subtypes. These include B-lymphocyte proliferation and sustained clonal expansion by HCV-envelope protein stimulation of B-cell receptors, and prolonged HCV-infected B-cell growth by overexpression of an anti-apoptotic BCL-2 oncogene caused by the increased frequency of t(14;18) chromosomal translocations in follicular lymphomas. HCV has been implicated in lymphomagenesis by a "hit-and-run" mechanism, inducing enhanced mutation rate in immunoglobulins and anti-oncogenes favoring immune escape, due to permanent genetic damage by double-strand DNA-breaks. More direct oncogenic mechanisms have been identified in cytokines and chemokines in relation to NS3 and Core expression, particularly in diffuse large B-cell lymphoma. By reviewing genetic alterations and disrupted signaling pathways, we intend to highlight how mutually non-contrasting mechanisms cooperate with environmental factors toward progression of HCV-lymphoma.
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Abstract
Mucosa-associated lymphoid tissue (MALT) lymphoma, or extranodal marginal zone lymphoma of MALT, is an indolent B-cell non-Hodgkin lymphoma linked with preexisting chronic inflammation. The stomach is the most commonly affected organ and the MALT lymphoma pathogenesis is clearly associated with Helicobacter pylori gastroduodenitis. Inflammation induces the lymphoid infiltrates in extranodal sites, where the lymphoma then subsequently develops. Genetic aberrations arise through the release of reactive oxygen species (ROS), H. pylori-induced endonucleases, and other effects. The involvement of nuclear factor kappa B (NF-κB) pathway activation, a critical regulator of pro-inflammatory responses, further highlights the role of inflammation in gastric MALT lymphoma. The NF-κB pathway regulates key elements of normal lymphocyte function, including the transcription of proliferation-promoting and anti-apoptotic genes. Aberrant constitutive activation of NF-κB signaling can lead to autoimmunity and malignancy. NF-κB pathway activation can happen through both the canonical and non-canonical pathways and can be caused by multiple genetic aberrations such as t(11;18)(q12;q21), t(1;14)(p22;q32), and t(14;18)(q32;q21) translocations, chronic inflammation and even directly by H. pylori-associated mechanisms. Gastric MALT lymphoma is considered one of the best models of how inflammation initiates genetic events that lead to oncogenesis, determines tumor biology, dictates clinical behavior and leads to viable therapeutic targets. The purpose of this review is to present gastric MALT lymphoma as an outstanding example of the close pathogenetic link between chronic inflammation and tumor development and to describe how this information can be integrated into daily clinical practice.
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Affiliation(s)
- Lukas Marcelis
- Translational Cell and Tissue Research Lab, Department of Imaging and Pathology, KU Leuven, Louvain, Belgium
- , O&N IV Herestraat 49 - bus 7003 24, 3000, Louvain, Belgium
| | - Thomas Tousseyn
- Translational Cell and Tissue Research Lab, Department of Imaging and Pathology, KU Leuven, Louvain, Belgium
- Department of Pathology, UZ Leuven, University Hospitals, Louvain, Belgium
- , O&N IV Herestraat 49 - bus 7003 24, 3000, Louvain, Belgium
| | - Xavier Sagaert
- Translational Cell and Tissue Research Lab, Department of Imaging and Pathology, KU Leuven, Louvain, Belgium.
- Department of Pathology, UZ Leuven, University Hospitals, Louvain, Belgium.
- , O&N IV Herestraat 49 - bus 7003 24, 3000, Louvain, Belgium.
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14
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Goules AV, Tzioufas AG. Lymphomagenesis in Sjögren's syndrome: Predictive biomarkers towards precision medicine. Autoimmun Rev 2018; 18:137-143. [PMID: 30572133 DOI: 10.1016/j.autrev.2018.08.007] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Accepted: 08/08/2018] [Indexed: 12/22/2022]
Abstract
Sjögren's syndrome (SS) is characterized by B cell hyperactivity documented by the production of plethora of autoantibodies and a strong tendency for NHL of B cell origin. Classical predictors of lymphoma have been already proposed and proved their validity, including clinical, serological and histopathologic biomarkers. The process of lymphomagenesis is multistep and encompasses mechanisms of antigen driven selection of the BCR with RF activity and various genetic contributors implicated in B cell proliferation, cell growth and cell cycle control, enhanced by a complex milieu of cytokines and trophic agents that are abundant within the inflammatory lesion of minor salivary glands of SS patients. Extensive efforts in the basic research field have revealed several novel biomarkers for lymphoma prediction while the major cellular and molecular mechanisms of evolutionary transition of B cells towards malignancy are under investigation. In this review, we present the current data regarding the newly proposed biomarkers for SS associated lymphoma prediction and a hypothetical model of lymphomagenesis based on the emerging data.
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Affiliation(s)
- Andreas V Goules
- Department of Pathophysiology, School of Medicine, University of Athens, Mikras Asias Str 75, 115 27 Athens, Greece
| | - Athanasios G Tzioufas
- Department of Pathophysiology, School of Medicine, University of Athens, Mikras Asias Str 75, 115 27 Athens, Greece.
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15
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Mancuso S, Carlisi M, Santoro M, Napolitano M, Raso S, Siragusa S. Immunosenescence and lymphomagenesis. Immun Ageing 2018; 15:22. [PMID: 30258468 PMCID: PMC6151062 DOI: 10.1186/s12979-018-0130-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 09/07/2018] [Indexed: 12/13/2022]
Abstract
One of the most important determinants of aging-related changes is a complex biological process emerged recently and called “immunosenescence”. Immunosenescence refers to the inability of an aging immune system to produce an appropriate and effective response to challenge. This immune dysregulation may manifest as increased susceptibility to infection, cancer, autoimmune disease, and vaccine failure. At present, the relationship between immunosenescence and lymphoma in elderly patients is not defined in a satisfactory way. This review presents a brief overview of the interplay between aging, cancer and lymphoma, and the key topic of immunosenescence is addressed in the context of two main lymphoma groups, namely Non Hodgkin Lymphoma (NHL) and Hodgkin Lymphoma (HL). Epstein Barr Virus (EBV) plays a central role in the onset of neoplastic lymphoproliferation associated with immunological changes in aging, although the pathophysiology varies vastly among different disease entities. The interaction between immune dysfunction, immunosenescence and Epstein Barr Virus (EBV) infection appears to differ between NHL and HL, as well as between NHL subtypes.
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Affiliation(s)
- Salvatrice Mancuso
- 1Haematology, Biomedical Department of Internal Medicine and Medical Specialties, University of Palermo, Palermo, Italy
| | - Melania Carlisi
- 2Department of Surgical, Oncological and Stomatological Disciplines, University of Palermo, Palermo, Italy
| | - Marco Santoro
- 2Department of Surgical, Oncological and Stomatological Disciplines, University of Palermo, Palermo, Italy
| | - Mariasanta Napolitano
- 1Haematology, Biomedical Department of Internal Medicine and Medical Specialties, University of Palermo, Palermo, Italy
| | - Simona Raso
- 2Department of Surgical, Oncological and Stomatological Disciplines, University of Palermo, Palermo, Italy
| | - Sergio Siragusa
- 1Haematology, Biomedical Department of Internal Medicine and Medical Specialties, University of Palermo, Palermo, Italy
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16
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Abstract
Epstein-Barr virus (EBV), which is associated with B-cell proliferative disorders, also transforms T- or natural killer (NK)-lineage cells and has been connected with various T- or NK (T/NK)-cell malignancies, such as extranodal NK/T-cell lymphoma-nasal type and aggressive NK-cell leukemia. Chronic active EBV (CAEBV) disease , which occurs most often in children and young adults in East Asia, is an EBV-associated T-/NK-cell lymphoproliferative disease. Patients with CAEBV often progress to overt lymphoma or leukemia over a long-term clinical course. EBV's transforming capacity in B cells is well characterized, but the molecular pathogenesis of clonal expansion caused by EBV in T/NK cells has not yet been clarified. In the primary infection, EBV infects B cells and epithelial cells and may also infect some T/NK cells. In some individuals, because of poor presentation by specific human leukocyte antigens or the genetic background, EBV-infected T/NK cells evade host immunity and survive. Occasionally, with the help of viral oncogenes, EBV-associated T/NK lymphoproliferative diseases, such as CAEBV, may develop. The subsequent accumulation of genetic mutations and/or epigenetic modifications in driver genes, such as DDX3X and TP53, may lead to overt lymphoma and leukemia. Activation-induced cytidine deaminase and the APOBEC3 family, driven by EBV infection, may induce chromosomal recombination and somatic mutations.
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Affiliation(s)
- Hiroshi Kimura
- Department of Virology, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan.
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17
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Oduor CI, Kaymaz Y, Chelimo K, Otieno JA, Ong’echa JM, Moormann AM, Bailey JA. Integrative microRNA and mRNA deep-sequencing expression profiling in endemic Burkitt lymphoma. BMC Cancer 2017; 17:761. [PMID: 29132323 PMCID: PMC5683570 DOI: 10.1186/s12885-017-3711-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Accepted: 10/30/2017] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Burkitt lymphoma (BL) is characterized by overexpression of the c-myc oncogene, which in the vast majority of cases is a consequence of an IGH/MYC translocation. While myc is the seminal event, BL is a complex amalgam of genetic and epigenetic changes causing dysregulation of both coding and non-coding transcripts. Emerging evidence suggest that abnormal modulation of mRNA transcription via miRNAs might be a significant factor in lymphomagenesis. However, the alterations in these miRNAs and their correlations to their putative mRNA targets have not been extensively studied relative to normal germinal center (GC) B cells. METHODS Using more sensitive and specific transcriptome deep sequencing, we compared previously published small miRNA and long mRNA of a set of GC B cells and eBL tumors. MiRWalk2.0 was used to identify the validated target genes for the deregulated miRNAs, which would be important for understanding the regulatory networks associated with eBL development. RESULTS We found 211 differentially expressed (DE) genes (79 upregulated and 132 downregulated) and 49 DE miRNAs (22 up-regulated and 27 down-regulated). Gene Set enrichment analysis identified the enrichment of a set of MYC regulated genes. Network propagation-based method and correlated miRNA-mRNA expression analysis identified dysregulated miRNAs, including miR-17~95 cluster members and their target genes, which have diverse oncogenic properties to be critical to eBL lymphomagenesis. Central to all these findings, we observed the downregulation of ATM and NLK genes, which represent important regulators in response to DNA damage in eBL tumor cells. These tumor suppressors were targeted by multiple upregulated miRNAs (miR-19b-3p, miR-26a-5p, miR-30b-5p, miR-92a-5p and miR-27b-3p) which could account for their aberrant expression in eBL. CONCLUSION Combined loss of p53 induction and function due to miRNA-mediated regulation of ATM and NLK, together with the upregulation of TFAP4, may be a central role for human miRNAs in eBL oncogenesis. This facilitates survival of eBL tumor cells with the IGH/MYC chromosomal translocation and promotes MYC-induced cell cycle progression, initiating eBL lymphomagenesis. This characterization of miRNA-mRNA interactions in eBL relative to GC B cells provides new insights on miRNA-mediated transcript regulation in eBL, which are potentially useful for new improved therapeutic strategies.
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Affiliation(s)
- Cliff I. Oduor
- Center for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya
- Department of Biomedical Sciences and Technology, Maseno University, Maseno, Kenya
| | - Yasin Kaymaz
- Department of Bioinformatics & Integrative Biology, University of Massachusetts Medical School, Worcester, MA USA
| | - Kiprotich Chelimo
- Department of Biomedical Sciences and Technology, Maseno University, Maseno, Kenya
| | - Juliana A. Otieno
- Jaramogi Oginga Odinga Teaching and Referral Hospital, Ministry of Health, Kisumu, Kenya
| | | | - Ann M. Moormann
- Department of Molecular Medicine, University of Massachusetts Medical School, Worcester, MA USA
| | - Jeffrey A. Bailey
- Department of Bioinformatics & Integrative Biology, University of Massachusetts Medical School, Worcester, MA USA
- Division of Transfusion Medicine, Department of Medicine, University of Massachusetts Medical School, 368 Plantation St. Albert Sherman Building 41077, Worcester, MA 01605 USA
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18
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Abstract
Mantle cell lymphoma (MCL) is characterized by an aggressive clinical course and secondary resistance to currently available therapies in most cases. Therefore, despite recent advances in the treatment of this disease, it is still considered to be incurable in the majority of cases. MCL B cells retain their B cell antigen receptor (BCR) expression during and after neoplastic transformation. BCRs in MCL show distinct patterns of antigen selection and ongoing BCR signaling. However, little is known about the involved antigens and the mechanisms leading to lymphomagenesis and lymphoma progression in MCL. Recent preclinical and clinical studies have established a crucial role of the BCR and the potential of inhibiting its signaling in this disease. This has established the B cell antigen receptor signaling cascade as a very promising therapeutic target to improve outcome in MCL alone or in combination with chemo-immunotherapy in recent years.
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Affiliation(s)
- Michael Fichtner
- Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland, St. Stephen's Green, Dublin 2, Ireland.,Department of Oncology and Hematology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany
| | - Martin Dreyling
- Department of Medicine III, University Hospital LMU Munich, Marchioninistr. 15, 81377, Munich, Germany
| | - Mascha Binder
- Department of Oncology and Hematology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany
| | - Martin Trepel
- Department of Oncology and Hematology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany. .,Department of Hematology and Oncology, Augsburg Medical Center, Stenglinstr. 2, 86156, Augsburg, Germany.
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19
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Kabrani E, Sander S. Development of Mouse Model Systems of Germinal Center Lymphomas. Methods Mol Biol 2017; 1623:233-42. [PMID: 28589360 DOI: 10.1007/978-1-4939-7095-7_18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Germinal centers (GC) are the predominant origin of human B cell lymphomagenesis. Transgenic mice in which gene expression is altered specifically in GC B cells have broadened our knowledge about the mechanisms of malignant transformation. However, extensive resources are needed due to the genetic complexity of these mouse models. Thus, bone marrow (BM)-derived chimerism is an attractive approach to study GC B cell derived lymphomagenesis, as it allows for an efficient allocation of resources and reduces the number of animals used.
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20
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Armand M, Besson C, Hermine O, Davi F. Hepatitis C virus - Associated marginal zone lymphoma. Best Pract Res Clin Haematol 2017; 30:41-9. [PMID: 28288715 DOI: 10.1016/j.beha.2017.02.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 02/06/2017] [Indexed: 12/18/2022]
Abstract
The link between hepatitis C virus (HCV) infection and the development of B-cell non-Hodgkin lymphoma is now well established and based on a number of epidemiological studies. It is further supported by the observation of lymphoma regression after HCV eradication by antiviral treatment. The far most frequent entities are marginal zone lymphoma (MZL) and diffuse large B-cell lymphoma (DLBCL). MZL usually emerge on a background of mixed cryoglobulinemia, a low-grade lymphoproliferation, and often transform into DLBCL, thereby following a multistep oncogenesis process. The role of HCV in lymphomagenesis is not yet fully understood but several mechanisms have been proposed including (i) chronic external stimulation through the B-cell receptor and other surface receptors, and (ii) direct transformation by intracellular viral proteins, the former being probably predominant in MZL. Regression of HCV-associated MZL can be achieved with antiviral therapy and the novel generation of direct-acting antiviral agents appears highly effective and safe for the treatment of these lymphoma.
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21
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Kashimura M, Kojima M, Matsuyama N, Tadokoro J. Follicular lymphoma in situ in the spleen of a patient with autoimmune hemolytic anemia and carrying HCV was associated with more clonal B-cells than t(14;18) positive B-cells. Pathol Res Pract 2017; 213:585-589. [PMID: 28215645 DOI: 10.1016/j.prp.2016.12.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 11/30/2016] [Accepted: 12/18/2016] [Indexed: 12/01/2022]
Abstract
Certain autoimmune conditions are associated with an increased risk of lymphoid malignancy. We report a 65-year old patient with autoimmune hemolytic anemia (AIHA) complicated by a follicular lymphoma (FL) in situ and other B-cell clones in the spleen. This diagnosis was made by immunohistochemistry, flow cytometry, and Southern blot analysis of the B-cell receptor. Chromosomal analysis revealed 46,XX,t(14;18)(q32;q21) 2/20, 46,XX,del(7)(q?),del(11)(q?) 2/20, and 46,XX 16/20. It has been speculated that these preneoplastic conditions do not progress to overt FL and other lymphomas without a second lymphomagenic insult. However, AIHA confers a 27.4-fold higher risk of such an insult leading to lymphoma compared with the normal healthy population. Without any therapy after splenectomy, our current study patient remained healthy with no lymphoma development for 28 months. Based on this case, we discuss the pathophysiology of lymphomagenesis in a spleen with AIHA and the roles of a splenectomy for preventing further lymphomagenesis in AIHA patients.
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Affiliation(s)
- Makoto Kashimura
- Department of Hematology, Shinmatsudo Central General Hospital, Chiba, Japan.
| | - Masaru Kojima
- Department of Pathology, Dokkyo Medical University, Mibu, Japan
| | - Naoki Matsuyama
- Department of Hematology, Shinmatsudo Central General Hospital, Chiba, Japan
| | - Jirou Tadokoro
- Department of Hematology, Shinmatsudo Central General Hospital, Chiba, Japan
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22
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Sassone M, Ponzoni M, Ferreri AJM. Ocular adnexal marginal zone lymphoma: Clinical presentation, pathogenesis, diagnosis, prognosis, and treatment. Best Pract Res Clin Haematol 2016; 30:118-130. [PMID: 28288706 DOI: 10.1016/j.beha.2016.11.002] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 11/29/2016] [Indexed: 01/08/2023]
Abstract
Ocular adnexal marginal zone lymphoma (OAML) represents 1-2% of all non Hodgkin lymphomas. In the last few years many advances in understanding the pathogenesis and the molecular basis involved in its development have been done. Many potential risk factors have been proposed; a dysregulation of immune response in association with a chronic antigenic stimulation, have been hypothesized as possible pathogenic mechanism. In particular, Chlamydia psittaci infection has been related to OAML arising, and eradicating antibiotic therapy has been addressed as a safe and cost-effective approach. Management of OAML is still heterogeneous and matter of debate. There is no consensus about the best upfront treatment and therapeutic decision should take into account several patient-, lymphoma- and treatment-related factors. Novel agents and chemotherapy-free strategies are being investigated to reduce side effects and improve tumor control. This review is focused in recent knowledge improvements in this lymphoma.
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Affiliation(s)
- Marianna Sassone
- Unit of Lymphoid Malignancies, Department of Onco-Hematology, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - Maurilio Ponzoni
- Unit of Lymphoid Malignancies, Department of Onco-Hematology, IRCCS San Raffaele Scientific Institute, Milano, Italy; Pathology Unit, IRCCS San Raffaele Scientific Institute, Milano, Italy; Università Vita e Salute, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - Andrés J M Ferreri
- Unit of Lymphoid Malignancies, Department of Onco-Hematology, IRCCS San Raffaele Scientific Institute, Milano, Italy.
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23
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Ambrosio MR, Rocca BJ, Ginori A, Mourmouras V, Amato T, Vindigni C, Lazzi S, Leoncini L. A look into the evolution of Epstein-Barr virus-induced lymphoproliferative disorders: a case study. Am J Clin Pathol 2015; 144:817-22. [PMID: 26486748 DOI: 10.1309/ajcp2g0vktkpnprr] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVES Epstein-Barr virus (EBV)-induced lymphoproliferative disorders (LPDs) are lymphoid proliferations arising as a result of the loss of an effective EBV-specific cytotoxic T-cell response. LPDs may occur for primary or acquired impairment of the immune system, as well as in some persons without documented immunodeficiency. METHODS In this article, we describe the case of a human immunodeficiency virus-positive patient affected by an EBV-LPD of the stomach who developed a nodal diffuse large B-cell lymphoma with complex morphologic and molecular features. RESULTS GeneScan analysis of the gastric specimen identified two different heavy-chain immunoglobulin gene (IGH) rearrangements characterized by a dominant peak of 285 base pairs (bp) in length and a smaller peak of 266 bp in length. In the lymph node sample, IGH evaluation also demonstrated two different peaks; however, the main peak corresponded to the minor peak detected in the EBV-LPD specimen at the diagnosis. In addition, a monoclonal immunoglobulin light chain gene (IGL) rearrangement was also found. We also demonstrated that the major peak in the stomach corresponded to the EBV-positive population observed in the histologic sections. CONCLUSIONS This case may provide additional insights to better understanding the "hit-and-run" role for EBV in lymphomagenesis. However, we could not exclude that our findings represent the co-occurrence of two unrelated B-cell neoplasms rather than a progression from an EBV-positive neoplasm to an EBV-negative one.
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24
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Taylor JG, Gribben JG. Microenvironment abnormalities and lymphomagenesis: Immunological aspects. Semin Cancer Biol 2015; 34:36-45. [PMID: 26232774 DOI: 10.1016/j.semcancer.2015.07.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2015] [Revised: 07/19/2015] [Accepted: 07/21/2015] [Indexed: 01/06/2023]
Abstract
Innate and adaptive immune cells within the microenvironment identify and eliminate cells displaying signs of malignant potential. Immunosurveillance effector Natural Killer (NK) cells and Cytotoxic T Lymphocytes (CTL) identify malignant cells through germline receptors such as NKG2D and in the case of CTLs, presentation of antigen through the T cell receptor. Manipulation of immunosurveillance through altered tumor-identifying ligand expression or secretion, resistance to cytotoxicity, or compromised cytotoxic cell activity through immune tolerance mechanisms all contribute to failure of these systems to prevent cancer development. This review examines the diverse mechanisms by which alterations in the immune microenvironment can promote lymphomagenesis.
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Affiliation(s)
| | - John G Gribben
- Barts Cancer Institute, Queen Mary University of London, UK.
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25
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Nezos A, Gravani F, Tassidou A, Kapsogeorgou EK, Voulgarelis M, Koutsilieris M, Crow MK, Mavragani CP. Type I and II interferon signatures in Sjogren's syndrome pathogenesis: Contributions in distinct clinical phenotypes and Sjogren's related lymphomagenesis. J Autoimmun 2015; 63:47-58. [PMID: 26183766 DOI: 10.1016/j.jaut.2015.07.002] [Citation(s) in RCA: 177] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Revised: 06/29/2015] [Accepted: 07/01/2015] [Indexed: 12/18/2022]
Abstract
Both type I and II interferons (IFNs) have been implicated in the pathogenesis of Sjogren's syndrome (SS). We aimed to explore the contribution of type I and II IFN signatures in the generation of distinct SS clinical phenotypes including lymphoma development. Peripheral blood (PB) from SS patients (n = 31), SS patients complicated by lymphoma (n = 13) and healthy controls (HC, n = 30) were subjected to real-time PCR for 3 interferon inducible genes (IFIGs) preferentially induced by type I IFN, 2 IFIGs preferentially induced by IFNγ as well as for IFNα and IFNγ genes. The same analysis was performed in minor salivary gland tissues (MSG) derived from 31 SS patients, 10 SS-lymphoma patients and 17 sicca controls (SC). In PB and MSG tissues, overexpression of both type I and type II IFIGs was observed in SS patients versus HC and SC, respectively, with a predominance of type I IFN signature in PB and a type II IFN signature in MSG tissues. In SS-lymphoma MSG tissues, lower IFNα, but higher IFNγ and type II IFIG transcripts compared to both SS and SC were observed. In receiver operating characteristic curve analysis, IFNγ/IFNα mRNA ratio in MSG tissues showed the best discrimination for lymphoma development. Discrete expression patterns of type I and II IFN signatures might be related to distinct SS clinical phenotypes. Additionally, IFNγ/IFNα mRNA ratio in diagnostic salivary gland biopsies is proposed as a novel histopathological biomarker for the prediction of in situ lymphoma development in the setting of SS.
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26
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Matthews AJ, Zheng S, DiMenna LJ, Chaudhuri J. Regulation of immunoglobulin class-switch recombination: choreography of noncoding transcription, targeted DNA deamination, and long-range DNA repair. Adv Immunol 2014; 122:1-57. [PMID: 24507154 DOI: 10.1016/B978-0-12-800267-4.00001-8] [Citation(s) in RCA: 102] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Upon encountering antigens, mature IgM-positive B lymphocytes undergo class-switch recombination (CSR) wherein exons encoding the default Cμ constant coding gene segment of the immunoglobulin (Ig) heavy-chain (Igh) locus are excised and replaced with a new constant gene segment (referred to as "Ch genes", e.g., Cγ, Cɛ, or Cα). The B cell thereby changes from expressing IgM to one producing IgG, IgE, or IgA, with each antibody isotype having a different effector function during an immune reaction. CSR is a DNA deletional-recombination reaction that proceeds through the generation of DNA double-strand breaks (DSBs) in repetitive switch (S) sequences preceding each Ch gene and is completed by end-joining between donor Sμ and acceptor S regions. CSR is a multistep reaction requiring transcription through S regions, the DNA cytidine deaminase AID, and the participation of several general DNA repair pathways including base excision repair, mismatch repair, and classical nonhomologous end-joining. In this review, we discuss our current understanding of how transcription through S regions generates substrates for AID-mediated deamination and how AID participates not only in the initiation of CSR but also in the conversion of deaminated residues into DSBs. Additionally, we review the multiple processes that regulate AID expression and facilitate its recruitment specifically to the Ig loci, and how deregulation of AID specificity leads to oncogenic translocations. Finally, we summarize recent data on the potential role of AID in the maintenance of the pluripotent stem cell state during epigenetic reprogramming.
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27
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Wang HP, Zhu YL, Shao W. Role of Helicobacter pylori virulence factor cytotoxin-associated gene A in gastric mucosa-associated lymphoid tissue lymphoma. World J Gastroenterol 2013; 19:8219-8226. [PMID: 24363512 PMCID: PMC3857444 DOI: 10.3748/wjg.v19.i45.8219] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2013] [Revised: 11/01/2013] [Accepted: 11/13/2013] [Indexed: 02/06/2023] Open
Abstract
Helicobacter pylori (H. pylori) infection might initiate and contribute to the progression of lymphoma from gastric mucosa-associated lymphoid tissue (MALT). Increasing evidence shows that eradication of H. pylori with antibiotic therapy can lead to regression of gastric MALT lymphoma and can result in a 10-year sustained remission. The eradication of H. pylori is the standard care for patients with gastric MALT lymphoma. Cytotoxin-associated gene A (CagA) protein, one of the most extensively studied H. pylori virulence factors, is strongly associated with the gastric MALT lymphoma. CagA possesses polymorphisms according to its C-terminal structure and displays different functions among areas and races. After being translocated into B lymphocytes via type IV secretion system, CagA deregulates intracellular signaling pathways in both tyrosine phosphorylation-dependent and -independent manners and/or some other pathways, and thereby promotes lymphomagenesis. A variety of proteins including p53 and protein tyrosine phosphatases-2 are involved in the malignant transformation induced by CagA. Mucosal inflammation is the foundational mechanism underlying the occurrence and development of gastric MALT lymphoma.
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28
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Ferreri AJ, Govi S, Ponzoni M. Marginal zone lymphomas and infectious agents. Semin Cancer Biol. 2013;23:431-440. [PMID: 24090976 DOI: 10.1016/j.semcancer.2013.09.004] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 09/18/2013] [Accepted: 09/19/2013] [Indexed: 12/18/2022]
Abstract
A link with infectious agents, bacteria and viruses in particular, has been reported for many lymphoma entities. Marginal zone lymphomas (extranodal, nodal and splenic forms) are frequently associated with chronic infections, with important clinical, molecular, biological, and therapeutic implications. The well-known correlation between Helicobacter pylori and gastric MALT-lymphoma, the recently reported links between Chlamydophila psittaci and ocular adnexal MALT-lymphoma and Borrelia burgdorferi and cutaneous MALT lymphoma constitute the best studied examples of lymphomagenic activity of bacteria, while the hepatitis C virus represents the most extensively investigated virus associated with marginal zone lymphomas. Biological and clinical features, therapeutic implications and future perspectives of these lymphoma-microbial associations are discussed in this review.
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29
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Pellicelli AM, Marignani M, Zoli V, Romano M, Morrone A, Nosotti L, Barbaro G, Picardi A, Gentilucci UV, Remotti D, D'Ambrosio C, Furlan C, Mecenate F, Mazzoni E, Majolino I, Villani R, Andreoli A, Barbarini G. Hepatitis C virus-related B cell subtypes in non Hodgkin's lymphoma. World J Hepatol 2011; 3:278-84. [PMID: 22125661 PMCID: PMC3225032 DOI: 10.4254/wjh.v3.i11.278] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2011] [Revised: 10/08/2011] [Accepted: 11/08/2011] [Indexed: 02/06/2023] Open
Abstract
AIM To evaluate if indolent B cell-non Hodgkin's lymphoma (B-NHL) and diffuse large B-cell lymphoma (DLBCL) in hepatitis C virus (HCV) positive patients could have different biological and clinical characteristics requiring different management strategies. METHODS A group of 24 HCV related B-NHL patients (11 indolent, 13 DLBCL) in whom the biological and clinical characteristics were described and confronted. Patients with DLBCL were managed with the standard of care of treatment. Patients with indolent HCV-related B-NHL were managed with antiviral treatment pegylated interferon plus ribavirin and their course observed. The outcomes of the different approaches were compared. RESULTS Patients with DLBCL had a shorter duration of HCV infection and a higher prevalence of HCV genotype 1 compared to patients with indolent B-NHL in which HCV genotype 2 was the more frequent genotype. Five of the 9 patients with indolent HCV-related B-NHL treated with only antiviral therapy, achieved a complete response of their onco-haematological disease (55%). Seven of the 13 DLBCL patients treated with immunochemotheraphy obtained a complete response (54%). CONCLUSION HCV genotypes and duration of HCV infection differed between B-NHL subtypes. Indolent lymphomas can be managed with antiviral treatment, while DLBCL is not affected by the HCV infection.
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Affiliation(s)
- Adriano M Pellicelli
- Adriano M Pellicelli, Cecilia D'Ambrosio, Roberto Villani, Arnaldo Andreoli, Liver Unit, Azienda Ospedaliera San Camillo Forlanini, Circonvallazione Gianicolense 87, 00149 Rome, Italy
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