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Tsuyuki Y, Karube K. Follicular lymphoma with Epstein-Barr virus-associated transformation: A case report and review of the literature. J Clin Exp Hematop 2024; 64:144-148. [PMID: 38811196 PMCID: PMC11303967 DOI: 10.3960/jslrt.23060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 02/17/2024] [Accepted: 03/12/2024] [Indexed: 05/31/2024] Open
Abstract
Follicular lymphoma (FL) is a common type of B-cell lymphoma, accounting for about 20% of all lymphomas. Although FL is primarily characterized by an indolent clinical course, histological transformation (HT) remains one of the significant challenges in managing patients with FL. Here, we present a case of FL with partial large-cell transformation due to Epstein-Barr Virus (EBV) arising in a 50-year-old Japanese woman with no known immunodeficiency. Immunohistochemical studies revealed that medium-sized FL cells expressed CD20, CD10, BCL2, and BCL6, whereas large cells were positive for CD20, and MUM1. In situ hybridization (ISH) revealed large cells to be positive for EBV-encoded small RNA (EBER) and further immunohistochemical investigation demonstrated EBER+ cells to express latent membrane protein 1 (LMP1). The Ki-67 index was about 30% in FL cells, and over 70% in large cells. Fluorescence in situ hybridization for BCL2 combined with EBER-ISH identified BCL2 rearrangement in both EBV-infected large cells and EBV-uninfected FL cells, suggesting these two components were clonally related. These findings indicate that EBV contributes to the transformation of FL. As far as the authors could find, only four previous cases of FL development to EBV-positive aggressive lymphoma have been reported. Further studies are needed to clarify the role of EBV in the HT of FL.
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Zhou Y, Zhang X, Li X, Zhu G, Gao T, Deng Y, Huang L, Liu Z. Anthropometric indicators may explain the high incidence of follicular lymphoma in Europeans: Results from a bidirectional two-sample two-step Mendelian randomisation. Gene 2024; 911:148320. [PMID: 38452876 DOI: 10.1016/j.gene.2024.148320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 02/18/2024] [Accepted: 02/26/2024] [Indexed: 03/09/2024]
Abstract
BACKGROUND Non-Hodgkin's lymphoma incidence rates vary between European and Asian populations. The reasons remain unclear. This two-sample two-step Mendelian randomisation (MR) study aimed to investigate the causal relationship between anthropometric indicators (AIs) and diffuse large B-cell lymphoma (DLBCL) and follicular lymphoma (FL) and the possible mediating role of basal metabolic rate (BMR) in Europe. METHODS We used the following AIs as exposures: body mass index (BMI), whole-body fat mass (WBFM), whole-body fat-free mass (WBFFM), waist circumference(WC), hip circumference(HC), standing height (SH), and weight(Wt). DLBCL and FL represented the outcomes, and BMR was a mediator. A two-sample MR analysis was performed to examine the association between AIs and DLBCL and FL onset. We performed reverse-MR analysis to determine whether DLBCL and FL interfered with the AIs. A two-step MR analysis was performed to determine whether BMR mediated the causality. FINDINGS WBFFM and SH had causal relationships with FL. A causal association between AIs and DLBCL was not observed. Reverse-MR analysis indicated the causal relationships were not bidirectional. Two-step MR suggested BMR may mediate the causal effect of WBFFM and SH on FL. CONCLUSIONS We observed a causal relationship between WBFFM and SH and the onset of FL in Europeans, Which may explain the high incidence of follicular lymphoma in Europeans.
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Affiliation(s)
- Yanqun Zhou
- The Second Clinical Medical School of Guizhou University of Chinese Medicine, Guiyang, China; Department of Hematology, the Second Affiliated Hospital of Guizhou University of Chinese Medicine, Guiyang, China
| | - Xiongfeng Zhang
- The Second Clinical Medical School of Guizhou University of Chinese Medicine, Guiyang, China; Department of Hematology, the Second Affiliated Hospital of Guizhou University of Chinese Medicine, Guiyang, China
| | - Xiaozhen Li
- The First Clinical Medical School of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Guoqing Zhu
- The Second Clinical Medical School of Guizhou University of Chinese Medicine, Guiyang, China; Department of Hematology, the Second Affiliated Hospital of Guizhou University of Chinese Medicine, Guiyang, China
| | - Tianqi Gao
- The First Clinical Medical School of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yingying Deng
- School of Basic Medicine, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Liming Huang
- The Second Clinical Medical School of Guizhou University of Chinese Medicine, Guiyang, China; Department of Hematology, the Second Affiliated Hospital of Guizhou University of Chinese Medicine, Guiyang, China.
| | - Zenghui Liu
- Department of Hematology, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.
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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] [Abstract] [Key Words] [MESH Headings] [Grants] [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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Ryder CB, Saeed H, Hussaini M. Composite Lymphoma with Follicular Lymphoma Transformation to Clonally Related Epstein-Barr Virus (EBV) Positive Diffuse Large B-Cell Lymphoma and EBV-PositiveClassic Hodgkin Lymphoma. Case Rep Hematol 2023; 2023:8833273. [PMID: 38028985 PMCID: PMC10651334 DOI: 10.1155/2023/8833273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 10/30/2023] [Accepted: 11/03/2023] [Indexed: 12/01/2023] Open
Abstract
While the Epstein-Barr virus (EBV) is known to drive de novo lymphomagenesis, it may rarely contribute to transformation of indolent lymphoma as well. Some EBV-related lymphomas represent a diagnostic challenge with important prognostic and therapeutic implications. We describe a case of follicular lymphoma (FL) transformation to both EBV + diffuse large B-cell lymphoma (DLBCL) and EBV + classic Hodgkin lymphoma (cHL), the latter of which was only identified retrospectively after selective outgrowth during DLBCL therapy. Finally, we describe successful salvage therapy with brentuximab vedotin plus nivolumab. This is the first known case of composite lymphoma with FL, EBV + DLBCL, and EBV + cHL within a single lymph node. The disease course highlights the importance of careful morphologic examination and comprehensive immunophenotypic characterization of EBV + lymphomas to ensure proper clinical care and underscores the potential for novel therapies currently under investigation. This trial is registered with NCT01671813.
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Affiliation(s)
| | - Hayder Saeed
- H. Lee Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL 33612, USA
| | - Mohammad Hussaini
- H. Lee Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL 33612, USA
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Ueda Y, Tanaka T, Asakura S, Yano T. A case of classic Hodgkin lymphoma arising after remission of methotrexate-associated follicular lymphoma. J Clin Exp Hematop 2023; 63:177-180. [PMID: 37518272 PMCID: PMC10628826 DOI: 10.3960/jslrt.23016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 06/10/2023] [Accepted: 06/21/2023] [Indexed: 08/01/2023] Open
Abstract
Here we describe our experience with a rare case of methotrexate (MTX)-associated lymphoproliferative disorder (LPD) initially diagnosed as follicular lymphoma (FL) and then in relapse as classic Hodgkin lymphoma (CHL). A 66-year-old man was admitted to the hospital with fever and abdominal and lower back pain after a transient remission of MTX-associated FL (MTX-FL) following MTX withdrawal. Computed tomography (CT) showed para-aortic lymphadenopathy, which was compatible with one of the previous FL lesions. We considered a relapse of FL and started bendamustine and rituximab. Although his initial symptoms and para-aortic lymphadenopathy regressed after the first course, he began to have dorsal pain, and multiple osteolytic lesions were detected on CT. We biopsied a Th4 vertebra osteolytic lesion, and the results indicated MTX-associated CHL (MTX-CHL). We successfully treated advanced MTX-CHL with brentuximab vedotin, doxorubicin, vinblastine, and dacarbazine (A+AVD). This case suggests the importance of repeat biopsy of a new lesion arising after resolution of previously affected sites in MTX-LPD and the effectiveness of A+AVD in treating advanced MTX-CHL.
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6
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Chapman J. Immunodeficiency-Associated Epstein-Barr Virus-Positive B-cell Lymphoproliferative Disorders. Surg Pathol Clin 2023; 16:213-231. [PMID: 37149357 DOI: 10.1016/j.path.2023.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
Sources of immune deficiency and dysregulation (IDD) are being increasingly recognized and defined, as are IDD-related B-cell lymphoproliferative lesions and lymphomas occurring in these patients. In this review, basic biology of Epstein-Barr virus (EBV) as it relates to classification of EBV-positive B-cell lymphoproliferative disorders (LPDs) is reviewed. Also discussed is the new paradigm of classification of IDD-related LPDs adopted by the fifth edition World Health Organization classification. IDD-related EBV-positive B-cell hyperplasias, LPDs, and lymphomas are discussed with particular attention to unifying and unique features that assist with recognition of these IDD-related lesions and their classification scheme.
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Affiliation(s)
- Jennifer Chapman
- Division of Hematopathology, Department of Pathology and Laboratory Medicine, University of Miami Hospital/Sylvester Comprehensive Cancer Center, 1400 Northwest 12th Avenue, Miami, FL 33136, USA.
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7
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Donzel M, Bonjour M, Combes JD, Broussais F, Sesques P, Traverse-Glehen A, de Martel C. Lymphomas associated with Epstein-Barr virus infection in 2020: Results from a large, unselected case series in France. EClinicalMedicine 2022; 54:101674. [PMID: 36204003 PMCID: PMC9531037 DOI: 10.1016/j.eclinm.2022.101674] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 09/06/2022] [Accepted: 09/06/2022] [Indexed: 11/05/2022] Open
Abstract
Background Despite mounting evidence for a causal role in an increasing number of lymphoma subtypes, very few studies have systematically tested the entire spectrum of Hodgkin and non-Hodgkin lymphomas for the presence of Epstein-Barr virus (EBV). Here, we describe the prevalence of EBV in a large, unselected series of patients diagnosed with any type of lymphoma during 2020, in the pathology department of a single University Hospital in France. Methods A total of 756 lymphoma cases (89% new diagnoses and 11% relapses), were registered in the department between Jan 1 and Sept 30, 2020 and 616 were successfully tested for EBV presence in tumour cells by EBV-encoding RNA in-situ hybridisation, using double-blinded assessment and a scoring system designed in accordance with the current state of knowledge in the literature. Findings A strong association with EBV was described in 27/87 (31%) classic Hodgkin lymphomas, 12/223 (5%) diffuse large B-cell lymphomas, and 18/71 (25%) NK and T-cell lymphomas: 4 extranodal NK/T-cell lymphomas, nasal type, 14 angioimmunoblastic T-cell lymphomas (48%). In Hodgkin and NK and T-cell lymphomas, there was a statistically significant association between EBER positivity and relapse (p < 0·01). Among other subtypes, a potential association with EBV (≥10% stained cells) was found in 2/97 (2%) follicular lymphomas, both of grades 1-2, 1/19 (5%) chronic lymphocytic leukaemia (CLL), 1/9 lymphoplasmacytic lymphomas (11%), and 2/47 (4%) marginal zone lymphomas. Interpretation When applied to the distribution of lymphomas in France as described in the Lymphopath database, our data suggested that at least 8% of all combined Hodgkin and non-Hodgkin lymphomas are associated with EBV. Funding International Agency for Research on Cancer (IARC/WHO).
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Affiliation(s)
- Marie Donzel
- Hospices Civils de Lyon, Institut de Pathologie Multisite, Hôpital Lyon-Sud, Pierre Bénite, France
| | - Maxime Bonjour
- Hospices Civils de Lyon, Institut de Pathologie Multisite, Hôpital Lyon-Sud, Pierre Bénite, France
- Early Detection, Prevention and Infections Branch, International Agency for Research on Cancer (IARC/WHO), Lyon, France
| | - Jean-Damien Combes
- Early Detection, Prevention and Infections Branch, International Agency for Research on Cancer (IARC/WHO), Lyon, France
| | - Florence Broussais
- Hospices Civils de Lyon, Service d'Hématologie, Hôpital Lyon-Sud, Pierre Bénite, France
| | - Pierre Sesques
- Hospices Civils de Lyon, Service d'Hématologie, Hôpital Lyon-Sud, Pierre Bénite, France
- Centre de Recherche en Cancérologie de Lyon; INSERM Unité Mixte de Recherche (UMR)-S1052; Centre National de la Recherche Scientifique UMR 5286, Université Claude Bernard Lyon 1, Lyon, France
| | - Alexandra Traverse-Glehen
- Hospices Civils de Lyon, Institut de Pathologie Multisite, Hôpital Lyon-Sud, Pierre Bénite, France
- Centre de Recherche en Cancérologie de Lyon; INSERM Unité Mixte de Recherche (UMR)-S1052; Centre National de la Recherche Scientifique UMR 5286, Université Claude Bernard Lyon 1, Lyon, France
| | - Catherine de Martel
- Early Detection, Prevention and Infections Branch, International Agency for Research on Cancer (IARC/WHO), Lyon, France
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EBV-positive follicular lymphoma and concurrent EBV-negative diffuse large B-cell lymphoma illustrating branched evolution model and “Hit and Run” hypothesis. J Hematop 2022. [DOI: 10.1007/s12308-022-00502-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022] Open
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9
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Zheng HY, Wang XH, He XY, Chen M, Zhang MX, Lian XD, Song JH, Hu Y, Pang W, Wang Y, Hu ZF, Lv LB, Zheng YT. Aging induces severe SIV infection accompanied by an increase in follicular CD8+ T cells with overactive STAT3 signaling. Cell Mol Immunol 2022; 19:1042-1053. [PMID: 35851876 PMCID: PMC9424273 DOI: 10.1038/s41423-022-00899-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 06/23/2022] [Indexed: 11/09/2022] Open
Abstract
The number of elderly people living with HIV is increasing globally, and the condition of this population is relatively complicated due to the dual effects of aging and HIV infection. However, the impact of HIV infection combined with aging on the immune homeostasis of secondary lymphoid organs remains unclear. Here, we used the simian immunodeficiency virus mac239 (SIVmac239) strain to infect six young and six old Chinese rhesus macaques (ChRMs) and compared the infection characteristics of the two groups in the chronic stage through multiplex immunofluorescence staining of lymph nodes. The results showed that the SIV production and CD4/CD8 ratio inversion in old ChRMs were more severe than those in young ChRMs in both the peripheral blood and the lymph nodes, especially when a large number of CD8+ T cells infiltrated the follicles and germinal centers. STAT3 in these follicular CXCR5+CD8+ T cells was highly activated, with high expression of granzyme B, which might be caused by the severe inflammatory milieu in the follicles of old ChRMs. This study indicates that aging may be a cofactor involved in SIV-induced immune disorders in secondary lymphoid tissues, affecting the effective antiviral activity of highly enriched follicular CXCR5+CD8+ cells.
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Affiliation(s)
- Hong-Yi Zheng
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, China
| | - Xue-Hui Wang
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, China
- School of Life Sciences, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Xiao-Yan He
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, 650204, China
| | - Min Chen
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, 650204, China
| | - Ming-Xu Zhang
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, 650204, China
| | - Xiao-Dong Lian
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, 650204, China
| | - Jia-Hao Song
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, 650204, China
| | - Yan Hu
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, 650204, China
| | - Wei Pang
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, China
| | - Yun Wang
- National Resource Center for Non-Human Primates, National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650107, China
| | - Zheng-Fei Hu
- National Resource Center for Non-Human Primates, National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650107, China
| | - Long-Bao Lv
- National Resource Center for Non-Human Primates, National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650107, China
| | - Yong-Tang Zheng
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, China.
- School of Life Sciences, University of Science and Technology of China, Hefei, Anhui, 230026, China.
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, 650204, China.
- National Resource Center for Non-Human Primates, National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650107, China.
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Benoit I, Di Curzio D, Civetta A, Douville RN. Drosophila as a Model for Human Viral Neuroinfections. Cells 2022; 11:cells11172685. [PMID: 36078091 PMCID: PMC9454636 DOI: 10.3390/cells11172685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/21/2022] [Accepted: 08/22/2022] [Indexed: 11/16/2022] Open
Abstract
The study of human neurological infection faces many technical and ethical challenges. While not as common as mammalian models, the use of Drosophila (fruit fly) in the investigation of virus–host dynamics is a powerful research tool. In this review, we focus on the benefits and caveats of using Drosophila as a model for neurological infections and neuroimmunity. Through the examination of in vitro, in vivo and transgenic systems, we highlight select examples to illustrate the use of flies for the study of exogenous and endogenous viruses associated with neurological disease. In each case, phenotypes in Drosophila are compared to those in human conditions. In addition, we discuss antiviral drug screening in flies and how investigating virus–host interactions may lead to novel antiviral drug targets. Together, we highlight standardized and reproducible readouts of fly behaviour, motor function and neurodegeneration that permit an accurate assessment of neurological outcomes for the study of viral infection in fly models. Adoption of Drosophila as a valuable model system for neurological infections has and will continue to guide the discovery of many novel virus–host interactions.
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Affiliation(s)
- Ilena Benoit
- Department of Biology, University of Winnipeg, 599 Portage Avenue, Winnipeg, MB R3B 2G3, Canada
- Division of Neurodegenerative Disorders, St. Boniface Hospital Albrechtsen Research Centre, 351 Taché Ave, Winnipeg, MB R2H 2A6, Canada
| | - Domenico Di Curzio
- Division of Neurodegenerative Disorders, St. Boniface Hospital Albrechtsen Research Centre, 351 Taché Ave, Winnipeg, MB R2H 2A6, Canada
| | - Alberto Civetta
- Department of Biology, University of Winnipeg, 599 Portage Avenue, Winnipeg, MB R3B 2G3, Canada
| | - Renée N. Douville
- Department of Biology, University of Winnipeg, 599 Portage Avenue, Winnipeg, MB R3B 2G3, Canada
- Division of Neurodegenerative Disorders, St. Boniface Hospital Albrechtsen Research Centre, 351 Taché Ave, Winnipeg, MB R2H 2A6, Canada
- Correspondence:
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11
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Li X, Zhou F, Li S, Wang Y, Fan J, Liang X, Peng Y, Jin Y, Jiang W, Liu F, Zhou Y, Liu S, Wang T, Peng Y, Xiong J, Liu J, Zhang J, He C, Zhang H, Li Y. Clinicopathologic study of mantle cell lymphoma with epstein-barr virus infection: A case series and literature review. Front Oncol 2022; 12:933964. [PMID: 35992854 PMCID: PMC9386618 DOI: 10.3389/fonc.2022.933964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 06/27/2022] [Indexed: 11/18/2022] Open
Abstract
Background Mantle cell lymphoma (MCL) with Epstein–Barr virus (EBV) infection is rarely reported. The objective of this study was to analyze the prevalence and clinicopathological features of MCL with EBV infection in the largest series thus far. Methods After screening 138 cases of MCL, we identified eight cases of MCL with EBV infection. Results Most of them (7/8) had non-neoplastic bystander cells with positivity for EBV and no expression of latent membrane protein 1 (LMP1) and EBV nuclear antigen 2 (EBNA2). The cases of MCL with EBER positivity did not have abnormal immune function or other lymphomas. Moreover, their histopathological morphology was indicative of classical MCL. Cases of MCL with EBER positivity exhibited statistically significant differences in lactate dehydrogenase, anemia status, and MCL international prognostic index grouping (P=0.008, P=0.02, P=0.001, and P=0.011, respectively). The differences between the two groups in age, sex ratio, clinical manifestations, and immunohistochemical phenotypes were not statistically significant. Conclusions The incidence of MCL with EBV infection was low (5.8%). Clinicopathologically, cases of MCL with EBER positivity were similar to their EBV-negative counterparts. Our findings revealed that most cells infected by EBV in MCL are background cells rather than tumor cells. This is inconsistent with data from previous studies, indicating that tumor cells in MCL may not be prone to EBV infection.
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Affiliation(s)
- Xiaoju Li
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
- Department of Pathology, School of Basic Medicine, Chongqing Medical University, Chongqing, China
| | - Fanlin Zhou
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
| | - Shijie Li
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
| | - Yangyang Wang
- Bioengineering College, Chongqing University, Chongqing, China
| | - Jianing Fan
- School of Medicine, Chongqing University, Chongqing, China
| | - Xiao Liang
- School of Medicine, Chongqing University, Chongqing, China
| | - Yan Peng
- Institute of Neuroscience, School of Basic Medicine, Chongqing Medical University, Chongqing, China
| | - Yudi Jin
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
| | - Weiyang Jiang
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
| | - Fang Liu
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
| | - Yixing Zhou
- Department of Hematology-Oncology, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Shuke Liu
- Department of Hematology-Oncology, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Tao Wang
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
| | - Yi Peng
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
| | - Jianbo Xiong
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
| | - Jia Liu
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
| | - Jing Zhang
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
| | - Changqing He
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
| | - Hui Zhang
- Department of Pathology, School of Basic Medicine, Chongqing Medical University, Chongqing, China
| | - Yu Li
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
- Bioengineering College, Chongqing University, Chongqing, China
- School of Medicine, Chongqing University, Chongqing, China
- *Correspondence: Yu Li,
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12
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Mpunga T, Clifford GM, Morgan EA, Milner DA, de Martel C, Munyanshongore C, Muvugabigwi G, Combes JD. Epstein-Barr virus prevalence among subtypes of malignant lymphoma in Rwanda, 2012 to 2018. Int J Cancer 2022; 150:753-760. [PMID: 34626122 DOI: 10.1002/ijc.33840] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 09/03/2021] [Accepted: 09/16/2021] [Indexed: 12/27/2022]
Abstract
Few data exist on Epstein-Barr virus (EBV) prevalence across the full spectrum of lymphoma subtypes, particularly in sub-Saharan Africa. The objective of our study was to test the presence of EBV in a nationally representative sample of malignant lymphomas diagnosed in the Butaro Cancer Center of Excellence (BCCOE) in Rwanda. Of 102 Hodgkin (HL) and 378 non-Hodgkin lymphomas (NHL) diagnosed in BCCOE between 2012 and 2018, 52 HL and 207 NHL were successfully tested by EBV-encoding RNA in situ hybridization. EBV prevalence was 54% in HL, being detected in all classical HL subtypes: mixed-cellularity (n = 3/8), nodular-sclerosis (n = 7/17) and lymphocyte-rich (n = 2/3). EBV prevalence was 9% in NHL, being 10% among 158 B-cell NHL, 3% among 35 T-cell NHL and the single NK-cell NHL was EBV-positive. Among B-cell NHL, EBV was present in the majority of Burkitt (n = 8/13), and was also rarely detected in follicular (n = 1/4) and acute B-cell lymphoblastic (n = 1/45) lymphomas. Five of the 45 (11%) diffuse large B-cell lymphomas (DLBCLs) were EBV-positive, including three out of five plasmablastic lymphoma (PBL). Of 39 HL and 163 NHL of known human immunodeficiency virus (HIV) status, 2 (5%) and 14 (9%) were HIV-positive, respectively, of which only four were also EBV-positive (2 PBL, 2 HL). In summary, we report rare regional-level data on the association of EBV with classical HL, Burkitt and DLBCLs, and report sporadic detection in other subtypes possibly related to EBV. Such data inform the burden of disease caused by EBV and can help guide application of future advances in EBV-specific prevention and therapeutics.
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Affiliation(s)
- Tharcisse Mpunga
- Butaro Cancer Center of Excellence, Ministry of Health, Butaro, Rwanda
| | - Gary M Clifford
- Early Detection, Prevention and Infections Branch, International Agency for Research on Cancer (IARC/WHO), Lyon, France
| | - Elizabeth A Morgan
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Danny A Milner
- American Society for Clinical Pathology, Chicago, Illinois, USA
| | - Catherine de Martel
- Early Detection, Prevention and Infections Branch, International Agency for Research on Cancer (IARC/WHO), Lyon, France
| | | | | | - Jean-Damien Combes
- Early Detection, Prevention and Infections Branch, International Agency for Research on Cancer (IARC/WHO), Lyon, France
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13
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Necrotizing Follicular Lymphoma of the Inguinal Region with Sternbergoid Cells: Clinical–Pathological Features of a Challenging Entity. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12031290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
Follicular lymphoma (FL) is one of the most common B-cell malignancies worldwide. While the diagnosis of conventional cases is straightforward, rare clinical–pathological variants may be challenging due to their misleading morphology, aberrant phenotype and/or atypical presentation. To add to the spectrum of unusual FLs, we report on a rare disease pattern characterized by (i) inguinal presentation, (ii) massive necrosis, (iii) Hodgkin/Reed–Sternberg (HRS)-like cells, and (iv) adjacent areas of diffuse large B-cell lymphoma evolution. All cases occurred in elderly patients (median age at diagnosis: 69.5 years), disclosed a low stage at diagnosis (Ann Arbor stage IA-IIA), and had deceiving clinical features. Despite the alarming histology, excellent responses to conventional therapies were reported in all patients. In conclusion, necrotizing FL of the inguinal region is a rare neoplasm characterized by peculiar clinical and histological features. This lymphoma should always be considered in the differential diagnosis of massively necrotic inguinal lesions.
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14
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Distinct clinical and genetic features of hepatitis B virus-associated follicular lymphoma in Chinese patients. Blood Adv 2022; 6:2731-2744. [PMID: 35030632 PMCID: PMC9092402 DOI: 10.1182/bloodadvances.2021006410] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 12/19/2021] [Indexed: 12/15/2022] Open
Abstract
Hepatitis B virus (HBV) infection has been associated with an increased risk for B-cell lymphomas. We previously showed that 20% of diffuse large B-cell lymphoma (DLBCL) patients from China, an endemic area of HBV infection, have chronic HBV infection (surface antigen positive, HBsAg+) and are characterized by distinct clinical and genetic features. Here, we showed that 24% of follicular lymphoma (FL) Chinese patients are HBsAg+. Compared to the HBsAg-negative FL patients, HBsAg+ patients are younger, have a higher histological grade at diagnosis and have a higher incidence of disease progression within 24 months. Moreover, by sequencing the genomes of 109 FL tumors, we observed enhanced mutagenesis and distinct genetic profile in HBsAg+ FLs, with a unique set of preferentially mutated genes (TNFAIP3, FAS, HIST1H1C, KLF2, TP53, PIM1, TMSB4X, DUSP2, TAGAP, LYN and SETD2), but lack of the hallmark of HBsAg-negative FLs, i.e., IGH/BCL2 translocations and CREBBP mutations. Transcriptomic analyses further showed that HBsAg+ FLs displayed gene-expression signatures resembling the activated B-cell-like subtype of DLBCL, involving IRF4-targeted genes and NF-κB/MYD88 signaling pathways. Finally, we identified an increased infiltration of CD8+ memory T-cells, CD4+ Th1-cells, and M1-macrophages and higher T-cell exhaustion gene signature in HBsAg+ FL samples. Taken together, we present new genetic/epigenetic evidence that links chronic HBV infection to B-cell lymphomagenesis, and HBV-associated FL is likely to have a distinct cell-of-origin and represent as a separate subtype of FL. Targetable genetic/epigenetic alterations identified in tumors and their associated tumor microenvironment may provide potential novel therapeutic approaches for this subgroup of patients.
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15
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Petrova-Drus K, Quesada AE, Bowman AS, Ptashkin R, Yao J, Arcila ME, Ho C, Moung C, Regalado J, Benayed R, Benhamida JK, Galera PK, Dogan A, Vanderbilt C. Quantitative Off-Target Detection of Epstein-Barr Virus-Derived DNA in Routine Molecular Profiling of Hematopoietic Neoplasms by Panel-Based Hybrid-Capture Next-Generation Sequencing. J Mol Diagn 2022; 24:69-78. [PMID: 34801704 PMCID: PMC8802759 DOI: 10.1016/j.jmoldx.2021.10.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/31/2021] [Accepted: 10/04/2021] [Indexed: 01/03/2023] Open
Abstract
Epstein-Barr virus (EBV) is associated with hematologic and solid tumors. We utilized a hybridization capture-based next-generation sequencing (NGS) platform targeting 400 genes associated with hematological malignancies to detect and quantify nontargeted viral-derived EBV reads that aligned to the EBV reference contig (NC_007605). We evaluated 5234 samples from 3636 unique patients with hematological neoplasms and found that 100 samples (1.9%) in 93 unique patients had ≥6 EBV reads (range, 6 to 32,325; mean, 827.5; median, 54). Most (n = 73, 73%) represented known EBV-associated conditions, and the most common was post-transplant lymphoproliferative disorders (n = 21, 29%). Documented EBV viremia was found in 4 of 27 samples with a moderate quantity of EBV reads and conditions not known to be EBV associated, whereas suspected viremia or low-level activation was likely in the remaining 23 samples. A good correlation (Spearman r = 0.8; 95% CI, 0.74-0.85) was found between EBV reads by NGS and systematic semiquantitative EBV-encoded RNA in situ hybridization in 162 available samples, particularly at greater EBV involvement. An optimal threshold for significant morphologic EBV involvement was found to be ≥10 reads by the receiver operating characteristic analysis (area under the curve, 0.990; 95% CI, 0.9974%-1.000%). Thus, in addition to mutational analysis, hybrid-capture-based NGS panels can detect and quantitate off-target EBV-derived viral DNA, which correlates well with morphology.
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Affiliation(s)
- Kseniya Petrova-Drus
- Address correspondence to Kseniya Petrova-Drus, M.D., Ph.D., Memorial Sloan Kettering Cancer Center, Department of Pathology, 1275 York Ave., C-563-C, New York, NY 10065.
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16
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Nam MH, Hsieh YY, Chen BJ. EBV-positive low-grade follicular lymphoma transforming to EBV-negative high-grade B-cell lymphoma with MYC and BCL2 rearrangements. Pathology 2021; 54:634-636. [PMID: 34872752 DOI: 10.1016/j.pathol.2021.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 09/05/2021] [Accepted: 09/12/2021] [Indexed: 10/19/2022]
Affiliation(s)
- Mann Hua Nam
- Department of Pathology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Yao-Yu Hsieh
- Division of Hematology and Oncology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan; Division of Hematology and Oncology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Bo-Jung Chen
- Department of Pathology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan.
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17
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Liu H, Xu-Monette ZY, Tang G, Wang W, Kim Y, Yuan J, Li Y, Chen W, Li Y, Fedoriw GY, Zhu F, Fang X, Luedke C, Medeiros LJ, Young KH, Hu S. EBV-positive high-grade B-cell lymphoma with MYC and BCL2 and/or BCL6 rearrangements: a multi-institutional study. Histopathology 2021; 80:575-588. [PMID: 34637146 DOI: 10.1111/his.14585] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/17/2021] [Accepted: 10/08/2021] [Indexed: 11/28/2022]
Abstract
AIMS It is unknown whether Epstein-Barr virus (EBV) infection can occur in high-grade B-cell lymphoma with MYC and BCL2 and/or BCL6 rearrangements, also known as double-hit or triple-hit lymphoma (DHL/THL). METHODS AND RESULTS Here we report 16 cases of EBV+ DHL/THL from screening 846 cases of DHL/THL and obtaining additional EBV+ cases through multi-institutional collaboration: 8 MYC/BCL2 DHL, 6 MYC/BCL6 DHL, and 2 THL. There were 8 men and 8 women with a median age of 65 years (range, 32-86). Two patients had a history of follicular lymphoma and one had AIDS. Nine of 14 patients had an International Prognostic Index of ≥3. Half of the cases showed high-grade/Burkitt-like morphology and the other half diffuse large B-cell lymphoma morphology. By immunohistochemistry, the lymphoma cells were positive for MYC (n=14/16), BCL2 (n=12/16), BCL6 (n=14/16), CD10 (n=13/16), and MUM1 (n=6/14). By Hans algorithm, 13 cases were classified as GCB and 3 as non-GCB. The lymphomas frequently showed an EBV latency type I with a median EBV-encoded small RNAs of 80% positive cells (range, 20-100%). After a median follow-up of 36.3 months (range, 2.0-41.6), 7 patients died with a median survival of 15.4 months (range, 3.4-47.3) after diagnosis of EBV+ DHL/THL. Five of 6 patients with MYC/BCL6 DHL were alive including 4 in complete remission. In contrast, only 4/10 patients with MYC/BCL2 DHL or THL were alive including 2 in complete remission. The median survival in patients with MYC/BCL6 DHL was unreached and was 21.6 months in patients with MYC/BCL2 DHL or THL. CONCLUSIONS EBV infection in DHL/THL is rare (~1.5%). Cases of EBV+ DHL/THL are largely similar to their EBV-negative counterparts clinicopathologically. Our findings expand the spectrum of EBV+ B-cell lymphomas currently recognized in the WHO classification and suggest differences between EBV+ MYC/BCL2 and MYC/BCL6 DHL that may have therapeutic implications.
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Affiliation(s)
- Hui Liu
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Department of Pathology, Xuzhou Medical University Affiliated Hospital, Xuzhou, China
| | - Zijun Y Xu-Monette
- Department of Pathology, Duke University Medical Center, Durham, NC, USA
| | - Guilin Tang
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Wei Wang
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Young Kim
- Department of Pathology, City of Hope National Medical Center, Duarte, CA, USA
| | - Ji Yuan
- Department of Pathology, University of Nebraska Medical Center, Omaha, NE, USA.,Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Yu Li
- Department of Pathology, Chongqing University Cancer Hospital, Chongqing, China
| | - Weina Chen
- Department of Pathology, The University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Yanping Li
- Department of Pathology, University of Pittsburgh, Medical Center Pinnacle, Harrisburg, PA, USA
| | - George Y Fedoriw
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC, USA
| | - Feng Zhu
- Department of Pathology, Xuzhou Medical University Affiliated Hospital, Xuzhou, China.,Department of Pathology, Duke University Medical Center, Durham, NC, USA
| | - Xiaosheng Fang
- Department of Pathology, Duke University Medical Center, Durham, NC, USA
| | - Catherine Luedke
- Department of Pathology, Duke University Medical Center, Durham, NC, USA
| | - L Jeffrey Medeiros
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ken H Young
- Department of Pathology, Duke University Medical Center, Durham, NC, USA
| | - Shimin Hu
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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18
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Zheng W, Xue Q, Sha X, Wang Y, Wang Y, Liu J, Zhang Y, Shi W. Successful PD-1 inhibitor treatment in a patient with refractory transformed follicular lymphoma who failed to respond to CAR-T cell therapy: a case report and literature review. Cancer Biol Ther 2021; 22:537-543. [PMID: 34570671 DOI: 10.1080/15384047.2021.1967083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Follicular lymphoma (FL) accounts for approximately 35% of all non-Hodgkin lymphomas and can progress to diffuse large B cell lymphoma (DLBCL) at a rate of 2% per year. Here, we present a 56-year-old female patient who was diagnosed with grade 3a FL. Further pathological investigation revealed that the lymphoma had transformed into DLBCL following six courses of R-CHOP regimen, and further disease progression was observed after two courses of R2-GemOx. We ultimately failed to collect hematopoietic stem cells after two courses of R2-ICE. CD-22 CAR-T cell therapy salvaged the patient; however, a new soft tissue mass of 4.8 × 4.1 cm rapidly emerged in the patient's right lung. Following the observation of strong tissue staining of PD-L1 (90%), the patient was administered PD-1 inhibitor and 26 Gy of radiotherapy and has maintained progression-free survival at more than 15 months of follow-up. Transformed FL with strong PD-L1 expression showed a poor response to standard immunochemotherapy. Our findings support the potential benefit of PD-1 inhibitor and combination therapies in this type of transformed FL.
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Affiliation(s)
- Weicheng Zheng
- Department of Oncology, Affiliated Hospital of Nantong University, Nantong, China
| | - Qingfeng Xue
- Department of Oncology, Affiliated Hospital of Nantong University, Nantong, China
| | - Xueping Sha
- Department of Hematology, Nantong Haimen People's Hospital, Nantong, China
| | - Yao Wang
- Department of Oncology, Affiliated Hospital of Nantong University, Nantong, China
| | - Yuan Wang
- Department of Oncology, Affiliated Hospital of Nantong University, Nantong, China
| | - Juan Liu
- Department of Oncology, Affiliated Hospital of Nantong University, Nantong, China
| | - Yaping Zhang
- Department of Hematology, Affiliated Hospital of Nantong University, Nantong, China
| | - Wenyu Shi
- Department of Oncology, Affiliated Hospital of Nantong University, Nantong, China.,Department of Hematology, Affiliated Hospital of Nantong University, Nantong, China
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19
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Barh D, Tiwari S, Gabriel Rodrigues Gomes L, Weener ME, Alzahrani KJ, Alsharif KF, Aljabali AAA, Tambuwala MM, Lundstrom K, Hassan SS, Serrano-Aroca Á, Takayama K, Ghosh P, Redwan EM, Silva Andrade B, Soares SDC, Azevedo V, Uversky VN. Potential Molecular Mechanisms of Rare Anti-Tumor Immune Response by SARS-CoV-2 in Isolated Cases of Lymphomas. Viruses 2021; 13:1927. [PMID: 34696358 PMCID: PMC8539762 DOI: 10.3390/v13101927] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/07/2021] [Accepted: 09/22/2021] [Indexed: 12/12/2022] Open
Abstract
Recently, two cases of complete remission of classical Hodgkin lymphoma (cHL) and follicular lymphoma (FL) after SARS-CoV-2 infection were reported. However, the precise molecular mechanism of this rare event is yet to be understood. Here, we hypothesize a potential anti-tumor immune response of SARS-CoV-2 and based on a computational approach show that: (i) SARS-CoV-2 Spike-RBD may bind to the extracellular domains of CD15, CD27, CD45, and CD152 receptors of cHL or FL and may directly inhibit cell proliferation. (ii) Alternately, upon internalization after binding to these CD molecules, the SARS-CoV-2 membrane (M) protein and ORF3a may bind to gamma-tubulin complex component 3 (GCP3) at its tubulin gamma-1 chain (TUBG1) binding site. (iii) The M protein may also interact with TUBG1, blocking its binding to GCP3. (iv) Both the M and ORF3a proteins may render the GCP2-GCP3 lateral binding where the M protein possibly interacts with GCP2 at its GCP3 binding site and the ORF3a protein to GCP3 at its GCP2 interacting residues. (v) Interactions of the M and ORF3a proteins with these gamma-tubulin ring complex components potentially block the initial process of microtubule nucleation, leading to cell-cycle arrest and apoptosis. (vi) The Spike-RBD may also interact with and block PD-1 signaling similar to pembrolizumab and nivolumab- like monoclonal antibodies and may induce B-cell apoptosis and remission. (vii) Finally, the TRADD interacting "PVQLSY" motif of Epstein-Barr virus LMP-1, that is responsible for NF-kB mediated oncogenesis, potentially interacts with SARS-CoV-2 Mpro, NSP7, NSP10, and spike (S) proteins, and may inhibit the LMP-1 mediated cell proliferation. Taken together, our results suggest a possible therapeutic potential of SARS-CoV-2 in lymphoproliferative disorders.
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Affiliation(s)
- Debmalya Barh
- Centre for Genomics and Applied Gene Technology, Institute of Integrative Omics and Applied Biotechnology (IIOAB), Nonakuri, Purba Medinipur 721172, West Bengal, India
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil; (S.T.); (L.G.R.G.); (V.A.)
| | - Sandeep Tiwari
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil; (S.T.); (L.G.R.G.); (V.A.)
| | - Lucas Gabriel Rodrigues Gomes
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil; (S.T.); (L.G.R.G.); (V.A.)
| | - Marianna E. Weener
- Clinical Research Center, Oftalmic, CRO, 119334 Bardina Str. 22/4, 119991 Moscow, Russia;
| | - Khalid J. Alzahrani
- Department of Clinical Laboratories Sciences, College of Applied Medical Sciences, Taif University, Taif 21944, Saudi Arabia; (K.J.A.); (K.F.A.)
| | - Khalaf F. Alsharif
- Department of Clinical Laboratories Sciences, College of Applied Medical Sciences, Taif University, Taif 21944, Saudi Arabia; (K.J.A.); (K.F.A.)
| | - Alaa A. A. Aljabali
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Yarmouk University, Irbid 21163, Jordan;
| | - Murtaza M. Tambuwala
- School of Pharmacy and Pharmaceutical Science, Ulster University, Coleraine BT52 1SA, UK;
| | | | - Sk. Sarif Hassan
- Department of Mathematics, Pingla Thana Mahavidyalaya, Maligram, Paschim Medinipur 721140, West Bengal, India;
| | - Ángel Serrano-Aroca
- Biomaterials and Bioengineering Lab, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain;
| | - Kazuo Takayama
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto 606-8507, Japan;
| | - Preetam Ghosh
- Department of Computer Science, Virginia Commonwealth University, Richmond, VA 23284, USA;
| | - Elrashdy M. Redwan
- Department of Biological Science, Faculty of Science, King Abdulazizi University, Jeddah 21589, Saudi Arabia;
| | - Bruno Silva Andrade
- Laboratory of Bioinformatics and Computational Chemistry, Department of Biological Sciences, State University of Southwest Bahia (UESB), Jequié 45206-190, Brazil;
| | - Siomar de Castro Soares
- Department of Immunology, Microbiology and Parasitology, Institute of Biological and Natural Sciences, Federal University of Triângulo Mineiro (UFTM), Uberaba 38025-180, Brazil;
| | - Vasco Azevedo
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil; (S.T.); (L.G.R.G.); (V.A.)
| | - Vladimir N. Uversky
- Department of Molecular Medicine and USF Health Byrd Alzheimer’s Institute, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA;
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Institutskiy pereulok, 9, 141700 Dolgoprudny, Russia
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20
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Shen Z, Hu L, Yao M, He C, Liu Q, Wang F, Gu W, Wang Y, Dong M, Zhu T, Yin T, Li F, Jin Y, Huang S, Zhang H, Sang W. Disparity analysis and prognostic value of pretreatment whole blood Epstein-Barr virus DNA load and Epstein-Barr encoding region status in lymphomas: A retrospective multicenter study in Huaihai Lymphoma Working Group. Int J Cancer 2021; 150:327-334. [PMID: 34520566 DOI: 10.1002/ijc.33802] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/24/2021] [Accepted: 09/03/2021] [Indexed: 12/28/2022]
Abstract
Elevated Epstein-Barr virus (EBV) DNA load is common in lymphomas. However, it remains unclear whether the disparity in viral load and its prognostic value in lymphomas are correlated with Epstein-Barr encoding region (EBER) status. In this retrospective multicenter study, we collected the data of pretreatment whole blood EBV DNA (pre-EBV DNA) and EBER status and evaluated their disparity and prognostic values in lymphomas. A total of 454 lymphoma patients from December 2014 to August 2020 were retrospectively retrieved. Mann-Whitney U test, Kruskal-Wallis test and Bonferroni's adjustment were used to explore the disparity of EBV DNA and EBER status in lymphomas. Time-dependent receiver operating characteristic analysis and MaxStat analysis were used to determine optimal cutoff points of pre-EBV DNA load. Univariable and multivariable Cox proportional hazards models were established for the estimation of prognostic factors. The positive rate of EBV DNA in natural killer T-cell lymphoma (NKTL) patients was higher than that in diffuse large B-cell lymphoma (DLBCL), follicular lymphoma (FL) and Hodgkin lymphoma (HL) patients, and the median positive pre-EBV copy number of NKTL was also higher than that of FL and DLBCL. EBV DNA could clearly distinguish the prognosis of DLBCL, NKTL, HL and peripheral T-cell lymphoma, and the integration of EBER status and EBV DNA could differentiate the prognosis of HL patients. Multivariable results revealed that pre-EBV DNA load had an effect on the prognosis of NKTL, FL and DLBCL. The status of pre-EBV DNA and EBER were disparate. Whole blood pre-EBV DNA predicted the prognosis of lymphomas, and the combination of EBV and EBER status could differentiate the prognosis of HL.
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Affiliation(s)
- Ziyuan Shen
- Department of Epidemiology and Biostatistics, School of Public Health, Xuzhou Medical University, Xuzhou, China
| | - Lingling Hu
- Department of Hematology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Mingkang Yao
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Chenlu He
- Department of Epidemiology and Biostatistics, School of Public Health, Xuzhou Medical University, Xuzhou, China
| | - Qinhua Liu
- Department of Hematology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Fei Wang
- Department of Hematology, The First People's Hospital of Changzhou, Changzhou, China
| | - Weiying Gu
- Department of Hematology, The First People's Hospital of Changzhou, Changzhou, China
| | - Ying Wang
- Department of Personnel, Suqian First Hospital, Suqian, China
| | - Manyu Dong
- Department of Hematology, The General Hospital of Wanbei Coal-Electric Group, Suzhou, China
| | - Taigang Zhu
- Department of Hematology, The General Hospital of Wanbei Coal-Electric Group, Suzhou, China
| | - Ting Yin
- Department of Hematology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Fei Li
- Department of Hematology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Yingliang Jin
- Center for Medical Statistics and Data Analysis, School of Public Health, Xuzhou Medical University, Xuzhou, China
| | - Shuiping Huang
- Center for Medical Statistics and Data Analysis, School of Public Health, Xuzhou Medical University, Xuzhou, China
| | - Hao Zhang
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Wei Sang
- Department of Hematology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
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21
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Alamoudi WA, Azar A, Barta SK, Alawi F, Tanaka TI, Stoopler ET, Sollecito TP. EBV-positive B-cell ulcerative proliferation in the oral cavity associated with EBV-negative follicular lymphoma in a patient with common variable immunodeficiency: A case report and review of the literature. Oral Surg Oral Med Oral Pathol Oral Radiol 2021; 133:e10-e19. [PMID: 34645592 DOI: 10.1016/j.oooo.2021.09.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 09/07/2021] [Indexed: 10/20/2022]
Abstract
Lymphoproliferative disorders (LPDs) are a group of conditions characterized by excessive production of lymphocytes manifested in various patterns including lymphadenopathy, tumor-like lesions, and lymphomas. LPD may be stimulated by Epstein-Barr virus (EBV) infection that most commonly appears in the setting of immunocompromised status such as long-term use of immunosuppressive medications and in individuals with primary immunodeficiency disorders. EBV mucocutaneous ulcer is a benign LPD reaction that mostly regresses spontaneously but sometimes requires medical or surgical intervention. This article presents a case of oral EBV mucocutaneous ulceration that affected an individual with a history of complex primary immunodeficiency disorders consisted of common variable immunodeficiency disease associated with T-cell dysfunction. This case is unique because the oral lesions led to the diagnosis of concurrent widespread EBV-negative follicular lymphomas, seemingly unrelated to her EBV-positive LPD oral disease. Yet, both occurred in the setting of severe immunosuppression from the primary immunodeficiency disorders.
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Affiliation(s)
- Waleed A Alamoudi
- Resident, Department of Oral Medicine, School of Dental Medicine, University of Pennsylvania, Philadelphia.
| | - Antoine Azar
- Assistant Professor, Division of Allergy and Clinical Immunology, School of Medicine, Johns Hopkins University, Baltimore, MD
| | - Stefan K Barta
- Associate Professor, Department of Hematology/Oncology, School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Faizan Alawi
- Professor of Pathology, Department of Basic & Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA
| | - Takako I Tanaka
- Professor of Oral Medicine, Department of Oral Medicine, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA
| | - Eric T Stoopler
- Professor of Oral Medicine, Department of Oral Medicine, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA
| | - Thomas P Sollecito
- Professor of Oral Medicine, Department of Oral Medicine, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA
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22
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D'Arcy ME, Beachler DC, Pfeiffer RM, Curtis JR, Mariette X, Seror R, Mahale P, Rivera DR, Yanik EL, Engels EA. Tumor Necrosis Factor Inhibitors and the Risk of Cancer among Older Americans with Rheumatoid Arthritis. Cancer Epidemiol Biomarkers Prev 2021; 30:2059-2067. [PMID: 34426413 DOI: 10.1158/1055-9965.epi-21-0125] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 04/28/2021] [Accepted: 08/09/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND TNF inhibitors (TNFi) effectively treat rheumatoid arthritis but may increase patient risk of some malignancies, particularly lymphomas or skin cancers. METHODS We used Surveillance, Epidemiology, and End Results (SEER)-Medicare data to conduct a case-control study in patients with rheumatoid arthritis (2007-2015). Cases were individuals with a first cancer diagnosed in SEER registries (ages 66-99, 22 cancer sites, N = 10,263). Skin cancer cases [nonmelanoma skin cancer (NMSC, N = 501), basal cell carcinoma (BCC, N = 161), squamous cell carcinoma (SCC, N = 150)] and cancer-free controls (N = 30,475) were selected from Medicare beneficiaries residing in SEER areas. Cases and controls had prior Medicare claims-based evidence for rheumatoid arthritis, and TNFi exposure was ascertained from part B and part D claims. Logistic regression was used to estimate adjusted odds ratios (aOR). RESULTS TNFi exposure was present in 16.2% of controls and 12.8% to 33.7% of cancer cases, varying by site. TNFi use was associated with increased risk of NMSC overall (aOR 1.32, 95% confidence interval 1.06-1.63), non-Hodgkin lymphoma (NHL) overall (1.28, 1.06-1.56) and, specifically, follicular lymphoma (2.63, 1.63-4.24). TNFi exposure was not associated with other SEER cancer sites, BCC or SCC specifically, or other common NHL subtypes. CONCLUSIONS Among older adults with rheumatoid arthritis, TNFi exposure was associated with elevated risk of NMSC and NHL, driven specifically by follicular lymphoma. Exposure was not associated with increased risk for other cancer sites. IMPACT Our results support a role for TNF in lymphomagenesis. Given the association with NMSC, patients initiating TNFi therapy may benefit from skin cancer screening and sun protection measures.
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Affiliation(s)
- Monica E D'Arcy
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland. monica.d'
| | | | - Ruth M Pfeiffer
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland
| | | | - Xavier Mariette
- Hôpital Bicêtre, Assistance Publique -Hôpitaux de Paris, Université Paris-Saclay, Le Kremlin Bicêtre, Paris, France
| | - Raphaele Seror
- Hôpital Bicêtre, Assistance Publique -Hôpitaux de Paris, Université Paris-Saclay, Le Kremlin Bicêtre, Paris, France
| | - Parag Mahale
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland
| | - Donna R Rivera
- Division of Cancer Control and Population Sciences, National Cancer Institute, Rockville, Maryland
| | | | - Eric A Engels
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland
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23
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Xu H, Xu X, Cui G, Fang J, Chen W, Xue M, Jin R, Chen H, Zhang L, Hu Y. Secondary Hemophagocytic Lymphohistiocytosis With Epstein-Barr Virus-Associated Transformed Follicular Lymphoma: A Case Report and Literature Review. Front Oncol 2021; 11:681432. [PMID: 34249725 PMCID: PMC8267377 DOI: 10.3389/fonc.2021.681432] [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: 03/16/2021] [Accepted: 06/10/2021] [Indexed: 11/13/2022] Open
Abstract
A 58-year-old male was admitted to our hospital due to lasting fever, progressive lymphadenopathy and bicytopenia, with a previously histological diagnosis of follicular lymphoma grade 3a with Epstein-Barr virus-encoded RNA positive one month ago. A second biopsy of axillary lymph node revealed concurrent diffuse large B-cell lymphoma with Epstein-Barr virus-encoded RNA positive. Another diagnosis of hemophagocytic lymphohistiocytosis secondary to Epstein-Barr virus positive diffuse large B-cell lymphoma was further concluded by clinical manifestation, laboratory test and atypical lymphocytes in peripheral-blood smear. After a pulse of steroid pre-phase treatment, the patient's clinical condition deteriorated and died in two weeks. The presence of Epstein-Barr virus infection in patients with follicular lymphoma is associated with more aggressive clinical course and increased risk of high-grade transformation. Hemophagocytic lymphohistiocytosis in response to Epstein-Barr virus infection or lymphoma remains fatal. Early diagnosis and initiation of treatment may improve the outcome.
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Affiliation(s)
- Huan Xu
- Department of Pediatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xia Xu
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Guohui Cui
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jun Fang
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wanxin Chen
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Mei Xue
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Runming Jin
- Department of Pediatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongbo Chen
- Department of Pediatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lu Zhang
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Hu
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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24
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Pathological and molecular analysis of a composite lymphoma of mantle cell lymphoma and Epstein-Barr virus-positive follicular lymphoma. Int J Hematol 2021; 113:592-599. [PMID: 33387297 DOI: 10.1007/s12185-020-03035-0] [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: 06/01/2020] [Revised: 11/09/2020] [Accepted: 11/10/2020] [Indexed: 10/22/2022]
Abstract
Composite lymphoma (CL) is a very rare clinical entity defined by the presence of two or more different subtypes of lymphoma in the same lymph node. We report a case of CL in a 78-year-old male presenting with leukocytosis and swelling of multiple lymph nodes. A left axillary node biopsy showed atypical lymphocytes in both the interfollicular and follicular areas. Immunohistochemistry revealed that mantle cell lymphoma (MCL) was mainly present in the interfollicular area and follicular lymphoma (FL) was present in the follicular area. Polymerase chain reaction analysis of immunoglobulin heavy chain gene rearrangements confirmed that they were clonally related neoplasms. However, Epstein-Barr virus (EBV) DNA was detected in only FL cells, suggesting that MCL and FL had split into two clones in the early steps of pathogenesis. This is the first reported case of CL with EBV-negative B-cell non-Hodgkin lymphoma (NHL) and EBV-positive B-cell NHL with a clonal relationship. We discuss the developmental processes of these two lymphomas.
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25
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Mundo L, Del Porro L, Granai M, Siciliano MC, Mancini V, Santi R, Marcar L, Vrzalikova K, Vergoni F, Di Stefano G, Schiavoni G, Segreto G, Onyango N, Nyagol JA, Amato T, Bellan C, Anagnostopoulos I, Falini B, Leoncini L, Tiacci E, Lazzi S. Frequent traces of EBV infection in Hodgkin and non-Hodgkin lymphomas classified as EBV-negative by routine methods: expanding the landscape of EBV-related lymphomas. Mod Pathol 2020; 33:2407-2421. [PMID: 32483241 PMCID: PMC7685982 DOI: 10.1038/s41379-020-0575-3] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 05/04/2020] [Accepted: 05/04/2020] [Indexed: 12/15/2022]
Abstract
The Epstein-Barr virus (EBV) is linked to various B-cell lymphomas, including Burkitt lymphoma (BL), classical Hodgkin lymphoma (cHL) and diffuse large B-cell lymphoma (DLBCL) at frequencies ranging, by routine techniques, from 5 to 10% of cases in DLBCL to >95% in endemic BL. Using higher-sensitivity methods, we recently detected EBV traces in a few EBV-negative BL cases, possibly suggesting a "hit-and-run" mechanism. Here, we used routine and higher-sensitivity methods (qPCR and ddPCR for conserved EBV genomic regions and miRNAs on microdissected tumor cells; EBNA1 mRNA In situ detection by RNAscope) to assess EBV infection in a larger lymphoma cohort [19 BL, 34 DLBCL, 44 cHL, 50 follicular lymphomas (FL), 10 T-lymphoblastic lymphomas (T-LL), 20 hairy cell leukemias (HCL), 10 mantle cell lymphomas (MCL)], as well as in several lymphoma cell lines (9 cHL and 6 BL). qPCR, ddPCR, and RNAscope consistently documented the presence of multiple EBV nucleic acids in rare tumor cells of several cases EBV-negative by conventional methods that all belonged to lymphoma entities clearly related to EBV (BL, 6/9 cases; cHL, 16/32 cases; DLBCL, 11/30 cases), in contrast to fewer cases (3/47 cases) of FL (where the role of EBV is more elusive) and no cases (0/40) of control lymphomas unrelated to EBV (HCL, T-LL, MCL). Similarly, we revealed traces of EBV infection in 4/5 BL and 6/7 HL cell lines otherwise conventionally classified as EBV negative. Interestingly, additional EBV-positive cases (1 DLBCL, 2 cHL) relapsed as EBV-negative by routine methods while showing EBNA1 expression in rare tumor cells by RNAscope. The relapse specimens were clonally identical to their onset biopsies, indicating that the lymphoma clone can largely loose the EBV genome over time but traces of EBV infection are still detectable by high-sensitivity methods. We suggest EBV may contribute to lymphoma pathogenesis more widely than currently acknowledged.
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Affiliation(s)
- Lucia Mundo
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Siena, Italy
| | - Leonardo Del Porro
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Siena, Italy
| | - Massimo Granai
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Siena, Italy
| | - Maria Chiara Siciliano
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Siena, Italy
| | - Virginia Mancini
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Siena, Italy
| | - Raffaella Santi
- Section of Pathology, University of Florence, Florence, Italy
| | - Lynnette Marcar
- BioMaterials Cluster, Bernal Institute, University of Limerick, Limerick, Ireland
- Ireland, Health Research Institute (HRI), University of Limerick, Limerick, Ireland
| | - Katerina Vrzalikova
- Institute of immunology and Immunotherapy, University of Birmingham, Birmingham, UK
| | | | | | - Gianluca Schiavoni
- Section of Haematology and Clinical Immunology, Department of Medicine, University and Hospital of Perugia, Perugia, Italy
| | - Giovanna Segreto
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Siena, Italy
| | - Noel Onyango
- Department of Clinical Medicine and Therapeutics, Unit of Medical Oncology, University of Nairobi, Nairobi, Kenya
| | - Joshua Akelo Nyagol
- Department of Clinical Medicine and Therapeutics, Unit of Medical Oncology, University of Nairobi, Nairobi, Kenya
| | - Teresa Amato
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Siena, Italy
| | - Cristiana Bellan
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Siena, Italy
| | | | - Brunangelo Falini
- Section of Haematology and Clinical Immunology, Department of Medicine, University and Hospital of Perugia, Perugia, Italy
| | - Lorenzo Leoncini
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Siena, Italy
| | - Enrico Tiacci
- Section of Haematology and Clinical Immunology, Department of Medicine, University and Hospital of Perugia, Perugia, Italy.
| | - Stefano Lazzi
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Siena, Italy.
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26
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Nakamura H, Shimizu T, Kawakami A. Role of Viral Infections in the Pathogenesis of Sjögren's Syndrome: Different Characteristics of Epstein-Barr Virus and HTLV-1. J Clin Med 2020; 9:jcm9051459. [PMID: 32414149 PMCID: PMC7290771 DOI: 10.3390/jcm9051459] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/06/2020] [Accepted: 05/06/2020] [Indexed: 12/12/2022] Open
Abstract
Viruses are possible pathogenic agents in several autoimmune diseases. Sjögren’s syndrome (SS), which involves exocrine dysfunction and the appearance of autoantibodies, shows salivary gland- and lacrimal gland-oriented clinical features. Epstein-Barr virus (EBV) is the most investigated pathogen as a candidate that directly induces the phenotype found in SS. The reactivation of the virus with various stimuli induced a dysregulated form of EBV that has the potential to infect SS-specific B cells and plasma cells that are closely associated with the function of an ectopic lymphoid structure that contains a germinal center (GC) in the salivary glands of individuals with SS. The involvement of human T-cell leukemia virus type 1 (HTLV-1) in SS has been epidemiologically established, but the disease concept of HTLV-1-associated SS remains unexplained due to limited evidence from basic research. Unlike the cell-to-cell contact between lymphocytes, biofilm-like structures are candidates as the mode of HTLV-1 infection of salivary gland epithelial cells (SGECs). HTLV-1 can infect SGECs with enhanced levels of inflammatory cytokines and chemokines that are secreted from SGECs. Regardless of the different targets that viruses have with respect to affinitive lymphocytes, viruses are involved in the formation of pathological alterations with immunological modifications in SS.
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27
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Fratoni S, Zanelli M, Zizzo M, Sanguedolce F, Aimola V, Cerrone G, Ricci L, Filosa A, Martino G, Ascani S. The broad landscape of follicular lymphoma: Part I. Pathologica 2020; 112:1-16. [PMID: 32031179 PMCID: PMC8138498 DOI: 10.32074/1591-951x-35-19] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Accepted: 12/08/2019] [Indexed: 12/12/2022] Open
Abstract
Follicular lymphoma is a neoplasm derived from follicle center B cells, typically both centrocytes and centroblasts, in variable proportions according to the lymphoma grading. The pattern of growth may be entirely follicular, follicular and diffuse, and rarely completely diffuse. It represents the second most common non-Hodgkin lymphoma, after diffuse large B-cell lymphoma and is the most common low-grade mature B-cell lymphoma in western countries. In the majority of cases, follicular lymphoma is a nodal tumor, occurring in adults and frequently associated with the translocation t(14;18)(q32;q21)/IGH-BCL2. However, in recent years the spectrum of follicular lymphoma has expanded and small subsets of follicular lymphoma, which differ from common follicular lymphoma, have been identified and included in the current 2017 WHO classification. The aim of our review is to describe the broad spectrum of follicular lymphoma, pointing out that the identification of distinct clinicopathological variants of follicular lymphoma is relevant for patient outcomes and choice of treatment.
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Affiliation(s)
- Stefano Fratoni
- Department of Anatomic Pathology, St. Eugenio Hospital of Rome, Rome, Italy
| | - Magda Zanelli
- Pathology Unit, Azienda Unità Sanitaria Locale - IRCCS di Reggio Emilia, Italy
| | - Maurizio Zizzo
- Surgical Oncology Unit, Azienda Unità Sanitaria Locale - IRCCS di Reggio Emilia, Italy.,Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy
| | - Francesca Sanguedolce
- Pathology Unit, Azienda Ospedaliero-Universitaria - Ospedali Riuniti di Foggia, Italy
| | | | | | | | | | - Giovanni Martino
- Hematology Unit, CREO, Azienda Ospedaliera di Perugia, University of Perugia, Italy
| | - Stefano Ascani
- Pathology Unit, Azienda Ospedaliera Santa Maria Terni, University of Perugia, Terni, Italy
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29
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Magnoli F, Tibiletti MG, Uccella S. Unraveling Tumor Heterogeneity in an Apparently Monolithic Disease: BCL2 and Other Players in the Genetic Landscape of Nodal Follicular Lymphoma. Front Med (Lausanne) 2019; 6:44. [PMID: 30931307 PMCID: PMC6428742 DOI: 10.3389/fmed.2019.00044] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 02/20/2019] [Indexed: 02/05/2023] Open
Abstract
Follicular lymphoma (FL) is the most common form of non-Hodgkin lymphoma in Western countries. Although traditionally considered a well-defined, easy to diagnose lymphoproliferative disorder, in the last few years it has become clear that it is in fact composed of many different clinicopathological entities, encompassing a variegated and complex genetic background. This has led to the inclusion of specific FL variants and separate entities in the latest update of the WHO classification. However, even in the context of classical FL, many aspects of intra- and inter-tumoral heterogeneity have been recognized, with a major influence on diagnosis and clinical practice at different time points during the course of the disease. This review focuses on the molecular cytogenetic heterogeneity in classical FL from precursors and early development to progression and transformation, in terms of both clonal heterogeneity and unusual genetic features. Several factors have been investigated and suggested to contribute to the broad spectrum of clinicopathological, phenotypic, and genetic features observed in otherwise morphologically classical cases. Among them, deregulation of the epigenetic machinery and interactions with tumor microenvironment seem to play a pivotal role, together with genetic aberrations involving well-known molecular pathways and mechanisms physiologically operating in the germinal center. In the era of personalized medicine, precision diagnostics based both on understanding of the complex interplay among all these factors and on novel developments will become crucial to predict the outcome and guide the treatment of FL patients.
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Affiliation(s)
- Francesca Magnoli
- Unit of Pathology, Department of Medicine and Surgery, University of Insubria, Varese, Italy.,Department of Pathology, ASST Sette Laghi, Varese, Italy
| | | | - Silvia Uccella
- Unit of Pathology, Department of Medicine and Surgery, University of Insubria, Varese, Italy
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30
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Granai M, Ambrosio MR, Akarca A, Mundo L, Vergoni F, Santi R, Mancini V, di Stefano G, Amato T, Bellan C, Puccini B, Sorrentino E, Naresh KN, Leoncini L, Marafioti T, Lazzi S. Role of Epstein-Barr virus in transformation of follicular lymphoma to diffuse large B-cell lymphoma: a case report and review of the literature. Haematologica 2019; 104:e269-e273. [PMID: 30846502 DOI: 10.3324/haematol.2018.215053] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Affiliation(s)
- Massimo Granai
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Italy
| | | | - Ayse Akarca
- Department of Histopathology, University College London Hospital, UK
| | - Lucia Mundo
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Italy
| | | | | | - Virginia Mancini
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Italy
| | | | - Teresa Amato
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Italy
| | - Cristiana Bellan
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Italy
| | | | - Ester Sorrentino
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Italy
| | | | - Lorenzo Leoncini
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Italy
| | - Teresa Marafioti
- Department of Histopathology, University College London Hospital, UK
| | - Stefano Lazzi
- Section of Pathology, Department of Medical Biotechnology, University of Siena, Italy
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31
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Mackrides N, Chapman J, Larson MC, Ramos JC, Toomey N, Lin P, Maurer MJ, Rafaelle M, Tan Y, Ikpatt O, Syrbu S, Ansell SM, Habermann TM, Link BK, Feldman AL, Lossos IS, Cerhan JR, Vega F. Prevalence, clinical characteristics and prognosis of EBV-positive follicular lymphoma. Am J Hematol 2019; 94:E62-E64. [PMID: 30474261 DOI: 10.1002/ajh.25357] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 11/19/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Nicholas Mackrides
- Division of Hematopathology, Department of Pathology; University of Miami/Sylvester Comprehensive Cancer Center; Miami Florida
| | - Jennifer Chapman
- Division of Hematopathology, Department of Pathology; University of Miami/Sylvester Comprehensive Cancer Center; Miami Florida
| | - Melissa C. Larson
- Department of Health Sciences Research; Mayo Clinic; Rochester Minnesota
| | - Juan C. Ramos
- Division of Hematology, Department of Medicine; University of Miami/Sylvester Comprehensive Cancer Center; Miami Florida
| | - Ngoc Toomey
- Division of Hematology, Department of Medicine; University of Miami/Sylvester Comprehensive Cancer Center; Miami Florida
| | - Pei Lin
- Department of Hematopathology; MD Anderson Cancer Center; Houston Texas
| | - Matthew J. Maurer
- Department of Health Sciences Research; Mayo Clinic; Rochester Minnesota
| | - Myra Rafaelle
- Division of Hematopathology, Department of Pathology; University of Miami/Sylvester Comprehensive Cancer Center; Miami Florida
| | - Yaohong Tan
- Division of Hematopathology, Department of Pathology; University of Miami/Sylvester Comprehensive Cancer Center; Miami Florida
| | - Offiong Ikpatt
- Division of Hematopathology, Department of Pathology; University of Miami/Sylvester Comprehensive Cancer Center; Miami Florida
| | - Sergei Syrbu
- Department of Pathology; University of Iowa; Iowa City Iowa
| | | | | | - Brian K. Link
- Department of Internal Medicine; University of Iowa; Iowa City Iowa
| | - Andrew L. Feldman
- Department of Laboratory Medicine and Pathology; Mayo Clinic; Rochester Minnesota
| | - Izidore S. Lossos
- Division of Hematology, Department of Medicine; University of Miami/Sylvester Comprehensive Cancer Center; Miami Florida
| | | | - Francisco Vega
- Division of Hematopathology, Department of Pathology; University of Miami/Sylvester Comprehensive Cancer Center; Miami Florida
- Division of Hematology, Department of Medicine; University of Miami/Sylvester Comprehensive Cancer Center; Miami Florida
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32
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Asakrah SK, Bhargava P, Bryke CR. EBV-positive, HHV8-negative large B-cell lymphoma with an unusual germinotropic growth pattern in an immunocompetent patient. Clin Case Rep 2018; 6:1818-1824. [PMID: 30214771 PMCID: PMC6132110 DOI: 10.1002/ccr3.1713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 06/19/2018] [Indexed: 11/07/2022] Open
Abstract
Clinicopathologic and cytogenetic findings of an unusual EBV+ve, HHV8-ve germinotropic lymphoma, with a nongerminal center immunophenotype occurring in an immunocompetent individual, are presented. A comprehensive literature search revealed a single report of three similar cases. These may represent a unique subset of EBV-positive large B-cell lymphomas in immunocompetent individuals.
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Affiliation(s)
- Saja K. Asakrah
- Department of PathologyBeth Israel Deaconess Medical CenterBostonMassachusetts
| | - Parul Bhargava
- Department of Laboratory MedicineUniversity of CaliforniaSan FranciscoCalifornia
| | - Christine R. Bryke
- Department of CytogeneticsBeth Israel Deaconess Medical CenterBostonMassachusetts
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Kurt H, Medeiros LJ, Khoury JD, Schlette EJ. Epstein-Barr virus-positive follicular lymphoma. Br J Haematol 2018; 182:757. [DOI: 10.1111/bjh.15419] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Habibe Kurt
- Department of Hematopathology; The University of Texas MD Anderson Cancer Center; Houston TX USA
| | - L. Jeffery Medeiros
- Department of Hematopathology; The University of Texas MD Anderson Cancer Center; Houston TX USA
| | - Joseph D. Khoury
- Department of Hematopathology; The University of Texas MD Anderson Cancer Center; Houston TX USA
| | - Ellen J. Schlette
- Department of Hematopathology; The University of Texas MD Anderson Cancer Center; Houston TX USA
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34
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Wu X, Wang F, Li Y, Wang X, Liu P, Zhang H, Ge Z, Zhang X, Gao C, Chen B. Evaluation of latent membrane protein 1 and microRNA-155 for the prognostic prediction of diffuse large B cell lymphoma. Oncol Lett 2018; 15:9725-9734. [PMID: 29844839 PMCID: PMC5958882 DOI: 10.3892/ol.2018.8560] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 03/16/2018] [Indexed: 12/23/2022] Open
Abstract
Diffuse large B cell lymphoma (DLBCL) has previously been demonstrated to contribute to the mortality of lymphoma with various aggressive features. The prognostic role of the biomarkers latent membrane protein (LMP) 1 and microRNA-(miR)-155 in DLBCL remain controversial. The present study primarily aimed to assess the effect of LMP1 and miR-155 on the survival of DLBCL patients, and additionally evaluate the clinical features to observe their influence on outcomes, compared with previous studies. Formalin-fixed and paraffin-embedded samples were collected from our center between May 2010 and December 2011. Microarray analysis, immunohistochemical analysis and reverse transcription-quantitative polymerase chain reaction were used to evaluate the expression of LMP1 and miR-155. The association between biomarkers or clinical features and patient outcomes was assessed using the log-rank statistical test, Cox proportional hazard model and Kaplan-Meier method. SPSS software was used to statistically analyze the data. A total of 82 patients were included in the present study. The results demonstrated that high expression of LMP1 and miR-155 may be associated with a poor progression-free survival rate, while a high International Prognostic Index score and high expression of LMP1 may be associated with a poor overall survival rate. These results indicated that LMP1 and miR-155 may be novel and reliable biomarkers for the prognostic prediction of lymphoma, and will potentially be analyzed in the future to evaluate patient prognosis.
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Affiliation(s)
- Xue Wu
- Department of Hematology (Key Department of Jiangsu Medicine), Medical School, The Affiliated Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Fei Wang
- Department of Hematology (Key Department of Jiangsu Medicine), Medical School, The Affiliated Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Yuan Li
- Department of Oncology, Medical School, The Affiliated Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Xiyong Wang
- Department of Oncology, Medical School, The Affiliated Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Ping Liu
- Department of Hematology (Key Department of Jiangsu Medicine), Medical School, The Affiliated Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Haijun Zhang
- Department of Oncology, Medical School, The Affiliated Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Zheng Ge
- Department of Hematology (Key Department of Jiangsu Medicine), Medical School, The Affiliated Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Xiaoping Zhang
- Department of Hematology (Key Department of Jiangsu Medicine), Medical School, The Affiliated Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Chong Gao
- Department of Hematology (Key Department of Jiangsu Medicine), Medical School, The Affiliated Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Baoan Chen
- Department of Hematology (Key Department of Jiangsu Medicine), Medical School, The Affiliated Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, P.R. China
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Cassidy DP, Vega F, Chapman JR. Epstein-Barr Virus-Positive Extranodal Marginal Zone Lymphoma of Bronchial-Associated Lymphoid Tissue in the Posttransplant Setting: An Immunodeficiency-Related (Posttransplant) Lymphoproliferative Disorder? Am J Clin Pathol 2017; 149:42-49. [PMID: 29228090 DOI: 10.1093/ajcp/aqx134] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES Posttransplant lymphoproliferative disorders (PTLDs) are a heterogeneous group of hematolymphoid proliferations arising in the context of chronic immunosuppression. The common and indolent B-cell lymphomas, including extranodal marginal zone lymphomas (ENMZLs) of mucosa-associated lymphoid tissue (MALT), are excluded from the category of PTLD in the current World Health Organization classification. METHODS We report a case of Epstein-Barr virus (EBV)-positive bronchial-associated lymphoid tissue (BALT) lymphoma involving the lungs of a transplant patient. RESULTS Aside from history of cardiac transplant, young patient age, and EBV positivity, the histopathologic findings were indistinguishable from usual BALT lymphoma. CONCLUSIONS We review the literature of ENMZL occurring in immunocompromised patients and present this case for consideration that this specific entity is a PTLD. We believe that additional studies might lend strength to the hypothesis that this particular group of EBV-positive, posttransplant ENMZLs merits classification and management as PTLDs.
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Affiliation(s)
- Daniel P Cassidy
- Division of Hematopathology, Department of Pathology and Laboratory Medicine
| | - Francisco Vega
- Division of Hematopathology, Department of Pathology and Laboratory Medicine
- Department of Medicine, Division of Hematology, University of Miami, Sylvester Comprehensive Cancer Center, and Jackson Memorial Hospitals, Miami, FL
| | - Jennifer R Chapman
- Division of Hematopathology, Department of Pathology and Laboratory Medicine
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Primary Cutaneous Follicle Centre Lymphoma with Hodgkin and Reed-Sternberg Like Cells: A Case Report and Review of the Literature. Case Rep Hematol 2017; 2017:9549428. [PMID: 29082051 PMCID: PMC5634621 DOI: 10.1155/2017/9549428] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 08/20/2017] [Indexed: 01/30/2023] Open
Abstract
An elderly woman with a complex medical history presented with a left forearm mass that slowly developed for several months. The excisional biopsy of this skin mass was remarkable for involvement by a follicle centre cell derived lymphoma with a nodular and diffuse pattern associated with a subset of scattered Hodgkin and Reed-Sternberg like cells. Fluorescence in situ hybridization studies did not detect the presence of IgH-bcl2 fusion transcript, and molecular studies were negative for immunoglobulin heavy chain gene rearrangements and EBV DNA sequences. Hodgkin and Reed-Sternberg like cells are rarely reported in FLs, and the association with primary cutaneous follicle centre lymphoma is extremely rarely seen. To our knowledge, our case is the second case of primary cutaneous follicle centre lymphoma with Hodgkin and Reed-Sternberg like cells.
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Infections and Follicular Lymphoma: is there a Link? Mediterr J Hematol Infect Dis 2017; 9:e2017035. [PMID: 28512564 PMCID: PMC5419182 DOI: 10.4084/mjhid.2017.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 03/17/2017] [Indexed: 11/16/2022] Open
Abstract
Several infectious agents appear to provide a proliferative signal -- “antigen-drive” – that could be implicated in the pathogenesis of various type of Non-Hodgkin Lymphoma (NHL). A classical model of the infection-driven lymphoproliferative disorder is Helicobacter pylori-induced gastric MALT lymphoma, where antibiotic therapy allows the eradication of both the infectious agent and the clonal B-cell expansion. Following the footsteps of this example, several retrospective studies have found a correlation with other pathogens and B-cell Lymphomas, adding new relevant information about pathogenesis and laying the groundwork for chemotherapy-free treatments. Although no clear association has been found between infectious agents and Follicular Lymphoma (FL), a growing number of biological and clinical observations suggests the interaction of physiological and pathological microbial populations also in this subtype of lymphoma. In the last few years, epidemiological studies investigating the association of known risk factors and FL found a potential correlation with viral or bacterial infections; moreover, recent findings of the stimulation of FL clones support the importance of microbial exposure to lymphomagenesis and disease progression. In the following review we make an attempt to find tangible evidence for a role of either physiological and pathological exogenous microbial species in the pathogenesis of FL, and try to integrate the findings coming from epidemiological, biological and interventional studies to define future novel treatment and prevention strategies for FL.
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