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https://www.readbyqxmd.com/read/29743394/-cerebrospinal-fluid-findings-in-chronic-active-epstein-barr-virus-infection-with-central-nervous-system-involvement
#1
Mayumi Yoshimori, Ken-Ichi Imadome, Shohei Tomii, Kouhei Yamamoto, Osamu Miura, Ayako Arai
As chronic active Epstein-Barr virus (EBV) infection (CAEBV) progresses, EBV-infected tumor cells invade the central nervous system (CNS). To establish a diagnostic procedure for CNS invasion, we retrospectively analyzed cerebrospinal fluid (CSF) obtained from eight patients. Two patients presented with consciousness disturbance and were diagnosed with CNS invasion based on scan and autopsy results, respectively. The remaining six patients were diagnosed without CNS invasion by clinical findings and scans. In the two patients with CNS invasion, the number of mononuclear cells and the protein concentration were increased, whereas the CSF to serum glucose ratio and the adenosine deaminase concentration were raised...
2018: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/29712633/how-i-treat-t-cell-chronic-active-epstein-barr-virus-disease
#2
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/29678144/interferon-alpha-as-antiviral-therapy-in-chronic-active-epstein-barr-virus-disease-with-interstitial-pneumonia-case-report
#3
Jacek Roliński, Ewelina Grywalska, Aleksandra Pyzik, Michał Dzik, Violetta Opoka-Winiarska, Agata Surdacka, Maciej Maj, Franciszek Burdan, Michał Pirożyński, Piotr Grabarczyk, Elżbieta Starosławska
BACKGROUND: Chronic active Epstein-Barr virus (EBV) disease (CAEBV) is defined as a severe, progressive lymphoproliferative disorder associated with active EBV infection persisting longer than 6 months and developing in patients without recognised immunodeficiency. Rarely, interstitial pneumonitis (IP) occurs as a serious complication in CAEBV patients. The standard therapeutic regimen for IP in CAEBV has not yet been defined. Although interferon alpha (IFN-alpha) is known to suppress viral DNA replication by affecting its basal promoter activation process, it is rarely used in CAEBV patients...
April 20, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29658924/an-efficient-and-simple-method-to-establish-nk-and-t-cell-lines-from-patients-with-chronic-active-epstein-barr-virus-infection
#4
Chongfeng Xu, Junhong Ai, Qingxun Zhang, Ting Li, Xiaorong Wu, Zhengde Xie, Ziyuan Duan
A number of methods have been described to establish NK/T cell lines from patients with lymphoma or lymphoproliferative syndrome. These methods employed feeder cells, purified NK or T cells with as much as 10 mL of blood, or a high-dose of IL-2. This study presents a new method with a powerful and simple strategy to establish NK and T cell lines by culturing the peripheral blood mononuclear cells (PBMC) with the addition of recombinant human IL-2 (rhIL-2), and uses as little as 2 mL of whole blood. The cells can proliferate quickly in two weeks and be maintained for more than 3 months...
March 30, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29518976/ebv-positive-lymphoproliferations-of-b-t-and-nk-cell-derivation-in-non-immunocompromised-hosts
#5
REVIEW
Stefan D Dojcinov, Falko Fend, Leticia Quintanilla-Martinez
The contribution of Epstein-Barr virus (EBV) to the development of specific types of benign lymphoproliferations and malignant lymphomas has been extensively studied since the discovery of the virus over the last 50 years. The importance and better understanding of the EBV-associated lymphoproliferative disorders (LPD) of B, T or natural killer (NK) cell type has resulted in the recognition of new entities like EBV+ mucocutaneous ulcer or the addition of chronic active EBV (CAEBV) infection in the revised 2016 World Health Organization (WHO) lymphoma classification...
March 7, 2018: Pathogens
https://www.readbyqxmd.com/read/29489682/the-clinical-characteristics-and-the-features-of-immunophenotype-of-peripheral-lymphocytes-of-adult-onset-chronic-active-epstein-barr-virus-disease-at-a-tertiary-care-hospital-in-beijing
#6
Ling Luo, Huanling Wang, Hongwei Fan, Jing Xie, Zhifeng Qiu, Taisheng Li
Chronic active Epstein-Barr virus (CAEBV) infection is a rare disease with high mortality. Most of CAEBV patients have been reported from Japan and are pediatric cases.The goal was to describe the clinical characteristics and the immunophenotypic features of peripheral lymphocytes in adult onset CAEBV patients.We retrospectively reviewed and analyzed all adult onset CAEBV cases admitted to Peking Union Medical College Hospital (PUMCH) between 2012 and 2016. Demographic, clinical, laboratory data, and the immunophentyping data of peripheral lymphocytes were collected...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29426773/an-adult-onset-case-of-chronic-active-epstein-barr-virus-infection-with-fulminant-clinical-course
#7
Hiroto Kaneko, Masafumi Taniwaki, Yosuke Matsumoto, Mihoko Yoshida, Kazuho Shimura, Takahiro Fujino, Hitoji Uchiyama, Junya Kuroda
A 56-year-old Japanese male with chronic active Epstein-Barr virus (EBV) infection (CAEBV) who developed systemic gamma-delta T-cell lymphoproliferative disease (LPD) is reported. Although immune cooling therapy was effective, he died of sudden and severe hypoxia and anemia soon after the initiation of cytotoxic chemotherapy that had been previously recommended. There might remain a difficulty to control fulminant adult-onset CAEBV. Additionally, we describe three types of lymphoid cells that were observed in his peripheral blood: morphologically normal lymphocytes, large blastic cells and mature ones with rough granules...
June 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29259291/whole-transcriptome-profiling-reveals-major-cell-types-in-the-cellular-immune-response-against-acute-and-chronic-active-epstein-barr-virus-infection
#8
Huaqing Zhong, Xinran Hu, Andrew B Janowski, Gregory A Storch, Liyun Su, Lingfeng Cao, Jinsheng Yu, Jin Xu
Epstein-Barr virus (EBV) is a common human pathogen that infects over 95% of the population worldwide. In the present study, the whole transcriptome microarray data were generated from peripheral blood mononuclear cells from Chinese children with acute infectious mononucleosis (AIM) and chronic active EBV infection (CAEBV) that were also compared with a publicly available microarray dataset from a study of American college students with AIM. Our study characterized for the first time a broad spectrum of molecular signatures in AIM and CAEBV...
December 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29242302/a-distinct-subtype-of-epstein-barr-virus-positive-t-nk-cell-lymphoproliferative-disorder-adult-patients-with-chronic-active-epstein-barr-virus-infection-like-features
#9
Keisuke Kawamoto, Hiroaki Miyoshi, Takaharu Suzuki, Yasuji Kozai, Koji Kato, Masaharu Miyahara, Toshiaki Yujiri, Naoki Oishi, Ilseung Choi, Katsumichi Fujimaki, Tsuyoshi Muta, Masaaki Kume, Sayaka Moriguchi, Shinobu Tamura, Takeharu Kato, Hiroyuki Tagawa, Junya Makiyama, Yuji Kanisawa, Yuya Sasaki, Daisuke Kurita, Kyohei Yamada, Joji Shimono, Hirohito Sone, Jun Takizawa, Masao Seto, Hiroshi Kimura, Koichi Ohshima
The characteristics of adult patients with chronic active Epstein-Barr virus infection (adult-onset CAEBV) are poorly recognized, hindering early diagnosis and an improved prognosis. Adult-onset CAEBV (n = 54) diagnosed between 2005 and 2015 were conducted. Adult-onset was defined as an estimated age of onset ≥15 years. To characterize the clinical features of adult-onset CAEBV, we compared them to those of pediatric-onset (estimated age of onset <15 years) patients (n = 75). We compared the prognosis of adult-onset CAEBV with that for patients with nasal-type (n = 37) and non-nasal-type (n = 45) extranodal NK/T-cell lymphoma (ENKTL)...
December 14, 2017: Haematologica
https://www.readbyqxmd.com/read/29200172/a-rare-case-of-chronic-active-epstein-barr-virus-ebv-infection-accompanied-by-the-infiltration-of-ebv-infected-cd8-t-cells-into-the-muscle
#10
Nobuhiko Kobayashi, Takeki Mitsui, Yoshiyuki Ogawa, Hirono Iriuchishima, Makiko Takizawa, Akihiko Yokohama, Takayuki Saitoh, Hiromi Koiso, Norifumi Tsukamoto, Hirokazu Murakami, Yoshihisa Nojima, Hiroshi Handa
We describe a rare case of chronic active Epstein-Barr virus (CAEBV) infection, with infiltration of the skeletal muscle. A 19-year-old woman with swollen cervical lymph nodes and a fever was referred to our hospital. Swelling of the trapezium muscle and elevation of creatinine kinase level were observed. Biopsy results of the brachialis muscle revealed infiltration of Epstein-Barr virus (EBV)-encoded RNA-positive CD8 T lymphocytes. The EBV virus load in the peripheral blood was high, and EBV monoclonality was determined by Southern blot analysis...
December 1, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29049190/chronic-active-epstein-barr-virus-infection-as-the-initial-symptom-in-a-janus-kinase-3-deficiency-child-case-report-and-literature-review
#11
REVIEW
Linqing Zhong, Wei Wang, Mingsheng Ma, Lijuan Gou, Xiaoyan Tang, Hongmei Song
RATIONALE: With the progress of sequencing technology, an increasing number of atypical primary immunodeficiency (PID) patients have been discovered, including Janus kinase 3 (JAK3) gene deficiency. PATIENT CONCERNS: We report a patient who presented with chronic active Epstein-Barr virus (CAEBV) infection but responded poorly to treatment with ganciclovir. DIAGNOSES: Next-generation sequencing (NGS) was performed, including all known PID genes, after which Sanger sequencing was performed to verify the results...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29024023/chronic-active-epstein-barr-virus-infection-with-cutaneous-lymphoproliferation-haemophagocytosis-in-the-skin-and-haemophagocytic-syndrome
#12
LETTER
S Tokoro, T Namiki, K Miura, K Watanabe, A Arai, K Imadome, H Yokozeki
No abstract text is available yet for this article.
March 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28845389/ebv-driven-natural-killer-cell-disease-of-the-central-nervous-system-presenting-as-subacute-cognitive-decline
#13
Francesca M Brett, Richard Flavin, Daphne Chen, Teresa Loftus, Seamus Looby, Allan McCarthy, Cillian de Gascun, Elaine S Jaffe, Nurul Nor, Mohsen Javadpour, Dominick McCabe
Brain biopsy in patients presenting with subacute encephalopathyis never straightforward and only undertaken when a 'treatable condition' is a realistic possibility. This 63 year old right handed, immunocompetent Caucasian woman presented with an 8 month history of rapidly progressive right-sided hearing impairment, a 4 month history of intermittent headaches, tinnitus, 'dizziness', dysphagia, nausea and vomiting, with the subsequent evolution of progressive gait ataxia and a subacute global encephalopathy...
November 2017: Human Pathology (New York)
https://www.readbyqxmd.com/read/28679986/virus-specific-cytotoxic-t-cells-in-chronic-active-epstein-barr-virus-infection
#14
Haruna Shibayama, Ken-Ichi Imadome, Erika Onozawa, Akiho Tsuzura, Osamu Miura, Takatoshi Koyama, Ayako Arai
Chronic active Epstein-Barr virus infection (CAEBV) is a disease characterized by clonally proliferating and activated EBV-infected T or NK cells accompanied by chronic inflammation and T- or NK-cell neoplasms. However, the mechanism for developing CAEBV has not been clarified to date. Because the decreased number or inactivation of EBV-specific cytotoxic T lymphocytes (CTLs) resulted in the development of EBV-positive B-cell neoplasms, we investigated the number of CTLs in CAEBV patients using the tetrameric complexes of HLA-restricted EBV-specific peptides...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28489771/chronic-active-epstein-barr-virus-infection-associated-with-hemophagocytic-syndrome-and-extra-nodal-natural-killer-t-cell-lymphoma-in-an-18-year-old-girl-a-case-report
#15
Yawei Xing, Junwen Yang, Guanghui Lian, Shuijiao Chen, Linlin Chen, Fujun Li
RATIONALE: Chronic active Epstein-Barr virus infection (CAEBV) associated with hemophagocytic syndrome (HPS) and extra-nodal natural killer (NK)/T-cell lymphoma (ENKL) is a rare life-threatening disorder. This disease is easily misdiagnosed because of its varied presentations. PATIENT CONCERNS: An 18-year-old girl was admitted to our hospital with a history of edema in the lower limbs and intermittent fever lasting for more than 1 month. At admission, she had severe liver injury of unknown etiology...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28381684/inflammatory-cytokine-production-in-chronic-active-epstein-barr-virus-infection
#16
Erika Onozawa, Haruna Shibayama, Ken-Ichi Imadome, Akiho Tsuzura, Takatoshi Koyama, Osamu Miura, Ayako Arai
In order to clarify the mechanisms underlying the development of inflammation in chronic active Epstein-Barr virus infection (CABEV), we examined cytokine production using patient samples. Eleven patients were analyzed. The serum concentrations of IFN-γ, TNF-α, and IL-6 were significantly higher in patients than in healthy donors. The mRNAs of these cytokines in peripheral blood mononuclear cells were elevated in patients as compared with healthy donors. The mRNA of IFN-γ was significantly higher in patients than in healthy donors...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28367723/gene-expression-analysis-of-hypersensitivity-to-mosquito-bite-chronic-active-ebv-infection-and-nk-t-lymphoma-leukemia
#17
Kana Washio, Takashi Oka, Lamia Abdalkader, Michiko Muraoka, Akira Shimada, Megumi Oda, Hiaki Sato, Katsuyoshi Takata, Yoshitoyo Kagami, Norio Shimizu, Seiichi Kato, Hiroshi Kimura, Kazunori Nishizaki, Tadashi Yoshino, Hirokazu Tsukahara
The human herpes virus, Epstein-Barr virus (EBV), is a known oncogenic virus and plays important roles in life-threatening T/NK-cell lymphoproliferative disorders (T/NK-cell LPD) such as hypersensitivity to mosquito bite (HMB), chronic active EBV infection (CAEBV), and NK/T-cell lymphoma/leukemia. During the clinical courses of HMB and CAEBV, patients frequently develop malignant lymphomas and the diseases passively progress sequentially. In the present study, gene expression of CD16(-) CD56(+) -, EBV(+) HMB, CAEBV, NK-lymphoma, and NK-leukemia cell lines, which were established from patients, was analyzed using oligonucleotide microarrays and compared to that of CD56bright CD16dim/- NK cells from healthy donors...
November 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28346502/ebv-induces-persistent-nf-%C3%AE%C2%BAb-activation-and-contributes-to-survival-of-ebv-positive-neoplastic-t-or-nk-cells
#18
Honami Takada, Ken-Ichi Imadome, Haruna Shibayama, Mayumi Yoshimori, Ludan Wang, Yasunori Saitoh, Shin Uota, Shoji Yamaoka, Takatoshi Koyama, Norio Shimizu, Kouhei Yamamoto, Shigeyoshi Fujiwara, Osamu Miura, Ayako Arai
Epstein-Barr virus (EBV) has been detected in several T- and NK-cell neoplasms such as extranodal NK/T-cell lymphoma nasal type, aggressive NK-cell leukemia, EBV-positive peripheral T-cell lymphoma, systemic EBV-positive T-cell lymphoma of childhood, and chronic active EBV infection (CAEBV). However, how this virus contributes to lymphomagenesis in T or NK cells remains largely unknown. Here, we examined NF-κB activation in EBV-positive T or NK cell lines, SNT8, SNT15, SNT16, SNK6, and primary EBV-positive and clonally proliferating T/NK cells obtained from the peripheral blood of patients with CAEBV...
2017: PloS One
https://www.readbyqxmd.com/read/28210942/how-we-treat-chronic-active-epstein-barr-virus-infection
#19
REVIEW
Akihisa Sawada, Masami Inoue, Keisei Kawa
Chronic active Epstein-Barr virus infection (CAEBV) is a prototype of the EBV-associated T- or NK-cell lymphoproliferative diseases, which also include hypersensitivity to mosquito bites and severe-type hydroavacciniforme. The manifestations of CAEBV are often self-limiting with minimum supportive care or only prednisolone and cyclosporine A with or without etoposide. However, allogeneic hematopoietic stem cell transplantation (HSCT) is the only cure, without which patients with CAEBV die within several years...
April 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28120384/clinicopathological-analysis-of-12-patients-with-epstein-barr-virus-positive-primary-intestinal-t-natural-killer-cell-lymphoma-ebv-itnkl
#20
Lei-Ming Hu, Katsuyoshi Takata, Tomoko Miyata-Takata, Naoko Asano, Emiko Takahashi, Katsuya Furukawa, Hiroaki Miyoshi, Akira Satou, Kei Kohno, Hiroshi Kosugi, Tomohiro Kinoshita, Yoshiki Hirooka, Hidemi Goto, Shigeo Nakamura, Seiichi Kato
AIMS: Epstein-Barr virus-positive (EBV+ ) intestinal T/natural killer (NK) cell lymphoma (ITNKL) is an uncommon tumour with an extremely aggressive clinical behaviour. However, the clinicopathological characteristics of this tumour, including T cell receptor (TCR) phenotype and the patient's background, remain unknown. The aim of this study was to elucidate the detailed clinicopathological profile of EBV+ ITNKL. METHODS AND RESULTS: We enrolled 12 patients with EBV+ ITNKL without nasal involvement into the study...
June 2017: Histopathology
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