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ebv associated lymphoma

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https://www.readbyqxmd.com/read/29784613/cryoglobulinemic-glomerulonephritis-associated-with-nodal-and-renal-infiltration-by-t-cell-lymphoma-of-t-follicular-helper-phenotype-a-case-report
#1
Jennifer Li, Marille Umakanathan, Chow Heok P'ng, Winny Varikatt, Fiona Kwok, Ming-Wei Lin, Mirna Vucak-Dzumhur
We present a unique case of cryoglobulinemic glomerulonephritis associated with nodal and renal infiltration by T-cell lymphoma of T-follicular helper phenotype. The patient presented with transient neurologic symptoms, severe nephritic syndrome with nephrotic-range proteinuria, and acute kidney injury. He had elevated double-stranded DNA levels, low complement levels, detectable cryoglobulin, and detectable immunoglobulin M (IgM) paraprotein. The kidney biopsy showed cryoglobulinemic glomerulonephritis with a membranoproliferative pattern and diffuse interstitial infiltrates on light microscopy; IgM, C3 but weak IgG, C1q, and negative C4d staining on immunofluorescence; and deposits with organized substructures on electron microscopy...
May 18, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29765376/immunization-with-fc-based-recombinant-epstein-barr-virus-gp350-elicits-potent-neutralizing-humoral-immune-response-in-a-balb-c-mice-model
#2
Bingchun Zhao, Xiao Zhang, Claude Krummenacher, Shuo Song, Ling Gao, Haojiong Zhang, Miao Xu, Lin Feng, Qisheng Feng, Musheng Zeng, Yuting Xu, Yixin Zeng
Epstein-Barr virus (EBV) was the first human virus proved to be closely associated with tumor development, such as lymphoma, nasopharyngeal carcinoma, and EBV-associated gastric carcinoma. Despite many efforts to develop prophylactic vaccines against EBV infection and diseases, no candidates have succeeded in effectively blocking EBV infection in clinical trials. Previous investigations showed that EBV gp350 plays a pivotal role in the infection of B-lymphocytes. Nevertheless, using monomeric gp350 proteins as antigens has not been effective in preventing infection...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29754142/cholestatic-jaundice-a-unique-presentation-leading-to-the-diagnosis-of-hlh-with-hodgkin-lymphoma-hiv-and-ebv
#3
Hira Shaikh, Soorih Shaikh, Amir Kamran, Prerna Mewawalla
Haemophagocytic lymphohistiocytosis (HLH) is a syndrome of dysregulated immune activity with macrophage activation that can manifest as pancytopenia, coagulopathy and other laboratory abnormalities, usually progressing to multiorgan failure and death. This report documents the rarely reported association between HLH and Hodgkin's lymphoma (HL) with simultaneous HIV and Epstein-Barr virus (EBV) and complete resolution with chemotherapy. The patient initially presented with cholestatic jaundice. He was then found to have HL associated with HLH with coexistent HIV and EBV viraemia...
May 12, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29751565/upregulation-of-the-chemokine-receptor-ccr2b-in-epstein%C3%A2-barr-virus-positive-burkitt-lymphoma-cell-lines-with-the-latency-iii-program
#4
Svetlana Kozireva, Zhanna Rudevica, Mikhail Baryshev, Ainars Leonciks, Elena Kashuba, Irina Kholodnyuk
CCR2 is the cognate receptor to the chemokine CCL2. CCR2⁻CCL2 signaling mediates cancer progression and metastasis dissemination. However, the role of CCR2⁻CCL2 signaling in pathogenesis of B-cell malignancies is not clear. Previously, we showed that CCR2B was upregulated in ex vivo peripheral blood B cells upon Epstein‒Barr virus (EBV) infection and in established lymphoblastoid cell lines with the EBV latency III program. EBV latency III is associated with B-cell lymphomas in immunosuppressed patients...
May 3, 2018: Viruses
https://www.readbyqxmd.com/read/29740418/inhibition-of-tip60-reduces-lytic-and-latent-gene-expression-of-kaposi-s-sarcoma-associated-herpes-virus-kshv-and-proliferation-of-kshv-infected-tumor-cells
#5
Sydney Simpson, Guillaume Fiches, Maxime J Jean, Michael Dieringer, James McGuinness, Sinu P John, Meir Shamay, Prashant Desai, Jian Zhu, Netty G Santoso
Kaposi's sarcoma-associated herpesvirus (KSHV) is an oncogenic virus responsible for the development of Kaposi's sarcoma, primary effusion lymphoma (PEL), and Multicentric Castleman's disease in immunocompromised individuals. Despite the burden of these diseases there are few treatment options for afflicted individuals, due in part to our limited understanding of virus-host interactions. Tip60, a histone aceytltransferase (HAT) has been previously shown to interact with both the KSHV latency associated nuclear antigen protein (LANA), which is the main factor in maintaining the viral latent state, and ORF36, a viral kinase expressed in the lytic phase...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29733293/a-viral-protein-kinase-drug-target-for-tumors
#6
Richard F Ambinder
The human gammaherpesviruses, Epstein-Barr virus (EBV) and Kaposi's sarcoma-associated herpesvirus (KSHV), are both associated with tumors. Standard antiviral therapies are ineffective at treating these tumors. A serine/threonine kinase important for viral replication is conserved across the herpesviruses. Expression of the KSHV protein kinase in transgenic mice under the control of a ubiquitin promoter was associated with B cell lymphoproliferative disease and lymphoma. If the viral protein kinase is important in the pathogenesis of KSHV lymphoproliferative disease or lymphoma, the kinase may present a very good target for pharmacologic therapies...
May 7, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29732319/epstein-barr-virus-in-gliomas-cause-association-or-artifact
#7
REVIEW
Saghir Akhtar, Semir Vranic, Farhan Sachal Cyprian, Ala-Eddin Al Moustafa
Gliomas are the most common malignant brain tumors and account for around 60% of all primary central nervous system cancers. Glioblastoma multiforme (GBM) is a grade IV glioma associated with a poor outcome despite recent advances in chemotherapy. The etiology of gliomas is unknown, but neurotropic viruses including the Epstein-Barr virus (EBV) that is transmitted via salivary and genital fluids have been implicated recently. EBV is a member of the gamma herpes simplex family of DNA viruses that is known to cause infectious mononucleosis (glandular fever) and is strongly linked with the oncogenesis of several cancers, including B-cell lymphomas, nasopharyngeal, and gastric carcinomas...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29729943/phenotype-penetrance-and-treatment-of-133-ctla-4-insufficient-individuals
#8
Charlotte Schwab, Annemarie Gabrysch, Peter Olbrich, Virginia Patiño, Klaus Warnatz, Daniel Wolff, Akihiro Hoshino, Masao Kobayashi, Kohsuke Imai, Masatoshi Takagi, Ingunn Dybedal, Jamanda A Haddock, David Sansom, Jose M Lucena, Maximilian Seidl, Annette Schmitt-Gräff, Veronika Reiser, Florian Emmerich, Natalie Frede, Alla Bulashevska, Ulrich Salzer, Desirée Schubert, Seiichi Hayakawa, Satoshi Okada, Maria Kanariou, Zeynep Yesim Kucuk, Hugo Chapdelaine, Lenka Petruzelkova, Zdenek Sumnik, Anna Sediva, Mary Slatter, Peter D Arkwright, Andrew Cant, Hanns-Martin Lorenz, Thomas Giese, Vassilios Lougaris, Alessandro Plebani, Christina Price, Kathleen E Sullivan, Michel Moutschen, Jiri Litzman, Tomas Freiberger, Frank L van de Veerdonk, Mike Recher, Michael H Albert, Fabian Hauck, Suranjith Seneviratne, Jana Pachlopnik Schmid, Antonios Kolios, Gary Unglik, Christian Klemann, Carsten Speckmann, Stephan Ehl, Alan Leichtner, Richard Blumberg, Andre Franke, Scott Snapper, Sebastian Zeissig, Charlotte Cunningham-Rundles, Lisa Giulino-Roth, Olivier Elemento, Gregor Dückers, Tim Niehues, Eva Fronkova, Veronika Kanderová, Craig D Platt, Janet Chou, Talal Chatila, Raif Geha, Elizabeth McDermott, Su Bunn, Monika Kurzai, Ansgar Schulz, Laia Alsina, Ferran Casals, Angela Deyà-Martinez, Sophie Hambleton, Hirokazu Kanegane, Kjetil Taskén, Olaf Neth, Bodo Grimbacher
BACKGROUND: Cytotoxic-T-lymphocyte-antigen-4 (CTLA-4) is a negative immune regulator. Heterozygous CTLA4 germline mutations can cause a complex immune dysregulation syndrome in humans. OBJECTIVE: To characterize the penetrance, the clinical features and the best treatment options in 133 CTLA4 mutation carriers. METHODS: Genetics, clinical features, laboratory values, and outcome of treatment options were assessed in a worldwide cohort of CTLA4 mutation carriers...
May 3, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29725459/mapk-c-jun-signaling-pathway-contributes-to-the-upregulation-of-the-anti-apoptotic-proteins-bcl-2-and-bcl-xl-induced-by-epstein-barr-virus-encoded-barf1-in-gastric-carcinoma-cells
#9
Yuqiong Zhang, Meiqin Xu, Xueyi Zhang, Fuying Chu, Tianji Zhou
BARF1 , encoded by Epstein-Barr virus (EBV), has been hypothesized to function as an oncogene, which was expressed in gastric carcinoma cells. Additionally, it has been reported that the anti-apoptotic function is closely associated with the expression of the B-cell lymphoma-2 (Bcl-2) protein. In addition, the signaling pathway has been reported to be involved in numerous diseases, including the mitogen-activated protein kinase (MAPK) cascade. In order to study the specific mechanism of anti-apoptotic function, BARF1 -stably-expressing immortalized normal human embryo gastric epithelial cell line GES1 (GES- BARF1 ), and well-, moderately- and poorly-differentiated gastric carcinoma cell lines, MKN28 (which has been reported to be contaminated with the moderately-differentiated MKN74 gastric carcinoma cell line), SGC7901 and BGC823 (MKN- BARF1 , SGC- BARF1 and BGC- BARF1 , respectively) (GCC- BARF1 ) were constructed, with transfection of cells with the empty vector pSG5 acting as controls...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29725107/compound-heterozygous-tyk2-mutations-underlie-primary-immunodeficiency-with-t-cell-lymphopenia
#10
Michiko Nemoto, Hiroyoshi Hattori, Naoko Maeda, Nobuhiro Akita, Hideki Muramatsu, Suzuko Moritani, Tomonori Kawasaki, Masami Maejima, Hirotaka Ode, Atsuko Hachiya, Wataru Sugiura, Yoshiyuki Yokomaku, Keizo Horibe, Yasumasa Iwatani
Complete tyrosine kinase 2 (TYK2) deficiency has been previously described in patients with primary immunodeficiency diseases. The patients were infected with various pathogens, including mycobacteria and/or viruses, and one of the patients developed hyper-IgE syndrome. A detailed immunological investigation of these patients revealed impaired responses to type I IFN, IL-10, IL-12 and IL-23, which are associated with increased susceptibility to mycobacterial and/or viral infections. Herein, we report a recessive partial TYK2 deficiency in two siblings who presented with T-cell lymphopenia characterized by low naïve CD4+ T-cell counts and who developed Epstein-Barr virus (EBV)-associated B-cell lymphoma...
May 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29723986/ebv-positive-diffuse-large-b-cell-lymphoma-and-chronic-lymphocytic-leukemia-patients-exhibit-increased-anti-dutpase-antibodies
#11
Marshall Williams, Maria Eugenia Ariza
The Epstein-Barr virus (EBV), which is a ubiquitous γ-herpesvirus, establishes a latent infection in more than 90% of the global adult population. EBV-associated malignancies have increased by 14.6% over the last 20 years, and account for approximately 1.5% of all cancers worldwide and 1.8% of all cancer deaths. However, the potential involvement/contribution of lytic proteins to the pathophysiology of EBV-associated cancers is not well understood. We have previously demonstrated that the EBV-deoxyuridine triphosphate nucleotidohydrolase (dUTPase) modulates innate and adaptive immune responses by engaging the Toll-Like Receptor 2 (TLR2), which leads to the modulation of downstream genes involved in oncogenesis, chronic inflammation, and in effector T-cell function...
May 1, 2018: Cancers
https://www.readbyqxmd.com/read/29712633/how-i-treat-t-cell-chronic-active-epstein-barr-virus-disease
#12
Catherine M Bollard, Jeffrey I Cohen
T cell chronic active EBV is a rare disease in which EBV is present predominantly in T cells which infiltrate the tissues; patients have high levels of EBV in the blood. If untreated, patients often develop liver failure, hemophagocytic lymphohistiocytosis, coronary artery aneurysms, EBV infiltrating T cells impairing organ function, or T cell lymphomas refractory to treatment. At present, hematopoietic stem transplantation is the only curative therapy, and it is critical to make a proper diagnosis and initiate transplantation before the disease progresses to an irreversible stage...
April 30, 2018: Blood
https://www.readbyqxmd.com/read/29709016/ebv-persistence-without-its-ebna3a-and-3c-oncogenes-in-vivo
#13
Anita Murer, Donal McHugh, Nicole Caduff, Jens Kalchschmidt, Mario Barros, Andrea Zbinden, Riccarda Capaul, Gerald Niedobitek, Martin Allday, Obinna Chijioke, Christian Münz
The oncogenic Epstein Barr virus (EBV) infects the majority of the human population and usually persists within its host for life without symptoms. The EBV oncoproteins nuclear antigen 3A (EBNA3A) and 3C (EBNA3C) are required for B cell transformation in vitro and are expressed in EBV associated immunoblastic lymphomas in vivo. In order to address the necessity of EBNA3A and EBNA3C for persistent EBV infection in vivo, we infected NOD-scid γcnull mice with reconstituted human immune system components (huNSG mice) with recombinant EBV mutants devoid of EBNA3A or EBNA3C expression...
April 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29704384/epstein-barr-virus-infection-in-b-cell-non-hodgkin-s-lymphomas-of-the-oral-and-maxillofacial-region-is-there-any-evidence
#14
L M Abdelrahim, S C Peh, T G Kallarakkal
INTRODUCTION: Epstein-Barr virus (EBV) might be an aetiological agent involved in the pathogenesis of certain Non-Hodgkin's Lymphomas (NHLs). EBV infection has been diagnosed by serologic testing within the tumour biopsies of patients with NHL. However, the association between EBV and NHL is inconsistent with a preference for certain anatomic sites, histologic subtypes and immunosuppressed patients. The objective of this study was to characterise the B-cell NHLs of the oral cavity and maxillofacial region using histological and immunophenotypical techniques and to determine its association with EBV infection...
April 2018: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/29693696/aggressive-rare-t-cell-lymphomas-with-manifestation-in-the-skin-a-monocentric-cross-sectional-case-study
#15
Marie-Charlotte Brüggen, Katrin Kerl, Eugenia Haralambieva, Urs Schanz, Yun-Tsan Chang, Desislava Ignatova, Reinhard Dummer, Antonio Cozzio, Wolfram Hoetzenecker, Lars E French, Emmanuella Guenova
Rare T- or NK-cell lymphomas with cutaneous manifestation may display a highly aggressive clinical course and major diagnostic/therapeutic challenges. This report describes our experiences with different lymphomas of this rare category and the therapeutic options used. This retrospective, descriptive, monocentric, cross-sectional case study, identified 4 rare aggressive T-/NK-cell lymphomas with manifestation in the skin, which were diagnosed in a tertiary care centre over a period of 4 years. Two patients had an Epstein-Barr virus-associated extranodal NK/T-cell lymphoma and 2 patients had a primary cutaneous CD8+ aggressive epidermotropic cytotoxic T-cell lymphoma...
April 24, 2018: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29691476/lymphomas-driven-by-epstein-barr-virus-nuclear-antigen-1-ebna1-are-dependant-upon-mdm2
#16
Sana AlQarni, Yazeed Al-Sheikh, Donald Campbell, Mark Drotar, Adele Hannigan, Shelagh Boyle, Pawel Herzyk, Andrew Kossenkov, Kate Armfield, Lauren Jamieson, Mariarca Bailo, Paul M Lieberman, Penelope Tsimbouri, Joanna B Wilson
Epstein-Barr virus (EBV)-associated Burkitt's lymphoma is characterised by the deregulation of c-Myc expression and a restricted viral gene expression pattern in which the EBV nuclear antigen-1 (EBNA1) is the only viral protein to be consistently expressed. EBNA1 is required for viral genome propagation and segregation during latency. However, it has been much debated whether the protein plays a role in viral-associated tumourigenesis. We show that the lymphomas which arise in EµEBNA1 transgenic mice are unequivocally linked to EBNA1 expression and that both C-Myc and Mdm2 deregulation are central to this process...
April 25, 2018: Oncogene
https://www.readbyqxmd.com/read/29687211/dual-threat-of-epstein-barr-virus-an-autopsy-case-report-of-hiv-positive-plasmablastic-lymphoma-complicating-ebv-associated-hemophagocytic-lymphohistiocytosis
#17
Yusuke Koizumi, Ken-Ichi Imadome, Yasunori Ota, Hitoshi Minamiguchi, Yoshinori Kodama, Dai Watanabe, Hiroshige Mikamo, Tomoko Uehira, Seiji Okada, Takuma Shirasaka
Epstein-Barr virus (EBV) reactivation causes serious diseases in immunocompromised hosts, such as acquired immunodeficiency syndrome (AIDS). We report on a case of plasmablastic lymphoma (PBL) with hemophagocytic lymphohistiocytosis (HLH).A-53-year-old Japanese man was diagnosed with PBL and AIDS. In addition to combined antiretroviral therapy, HyperCVAD (cyclophosphamide, doxorubicin, vincristine, prednisone)/high-dose methotrexate + cytarabine was initiated immediately. Partial remission was attained with chemotherapy...
April 23, 2018: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/29685921/role-of-exosomes-as-a-proinflammatory-mediator-in-the-development-of-ebv-associated-lymphoma
#18
Hiroshi Higuchi, Natsuko Yamakawa, Ken-Ichi Imadome, Takashi Yahata, Ryutaro Kotaki, Jun Ogata, Masatoshi Kakizaki, Koji Fujita, Jun Lu, Kazuaki Yokoyama, Kazuki Okuyama, Ai Sato, Masako Takamatsu, Natsumi Kurosaki, Syakira Mohamad Alba, Azran Azhim, Ryouichi Horie, Toshiki Watanabe, Toshio Kitamura, Kiyoshi Ando, Takao Kashiwagi, Toshimitsu Matsui, Akinao Okamoto, Hiroshi Handa, Masahiko Kuroda, Naoya Nakamura, Ai Kotani
Epstein-Barr virus (EBV) causes various diseases in the elderly including B-cell lymphoma such as Hodgkin's lymphoma (HL) and diffuse large B-cell lymphoma (DLBCL). Here, we show that EBV acts in trans on non-infected macrophages in the tumor through exosome secretion and augments the development of lymphomas. In a humanized mouse model, the different formation of lymphoproliferative disease (LPD) between two EBV strains (Akata and B95-8) was evident. Furthermore, injection of Akata derived exosomes affected LPD severity possibly through the regulation of macrophage phenotype in vivo...
April 22, 2018: Blood
https://www.readbyqxmd.com/read/29684201/dysregulation-of-epstein-barr-virus-infection-in-hypomorphic-zap70-mutation
#19
Akihiro Hoshino, Takehiro Takashima, Kenichi Yoshida, Akira Morimoto, Yuta Kawahara, Tzu-Wen Yeh, Tsubasa Okano, Motoi Yamashita, Noriko Mitsuiki, Kohsuke Imai, Takashi Sakatani, Atsuko Nakazawa, Yusuke Okuno, Yuichi Shiraishi, Kenichi Chiba, Hiroko Tanaka, Satoru Miyano, Seishi Ogawa, Seiji Kojima, Tomohiro Morio, Hirokazu Kanegane
Background: Some patients with genetic defects develop Epstein-Barr virus (EBV)-associated lymphoproliferative disorder (LPD)/lymphoma as the main feature. Hypomophic mutations can cause different clinical and laboratory manifestations from null mutations in the same genes. Methods: We sought to describe the clinical and immunologic phenotype of a 21-month-old boy having EBV-associated LPD who was in good health till then. A genetic and immunologic analysis was performed...
April 19, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29676453/risk-factors-for-burkitt-lymphoma-a-nested-case-control-study-in-the-uk-clinical-practice-research-datalink
#20
Parisa Karimi, Brenda M Birmann, Lesley A Anderson, Charlene M McShane, Shahinaz M Gadalla, Joshua N Sampson, Sam M Mbulaiteye
Burkitt lymphoma (BL) occurs as three subtypes: endemic BL, immunosuppression-related BL and sporadic BL. Descriptive studies of BL age-specific incidence patterns have suggested multimodal peaks near 10, 40 and 70 years of age, but the risk factors for BL at different ages are unknown. We investigated risk factors for BL in the United Kingdom among 156 BL cases and 608 matched BL-free controls identified in the Clinical Practice Research Datalink (CPRD) between 1992 and 2016. Associations with pre-diagnostic body mass index, cigarette smoking, alcohol consumption, hepatitis, Epstein-Barr virus (EBV), human immunodeficiency virus infection and acquired immune deficiency syndrome (HIV/AIDS), malaria, allergic and autoimmune conditions, and prednisone use were evaluated...
April 20, 2018: British Journal of Haematology
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