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Chronic epstein barr

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https://www.readbyqxmd.com/read/28499936/ucbt-without-antithymocyte-globulin-results-in-similar-survival-but-better-quality-of-life-compared-with-upbsct-for-the-treatment-of-acute-leukemia-a-retrospective-study-in-china
#1
J Tong, L Xuan, Y L Sun, D P Huang, H L Liu, C C Zheng, X Y Zhu, B L Tang, K D Song, X H Zhang, L Zhang, W Yao, D J Lin, Q F Liu, Z M Sun
While previous studies have demonstrated improved outcomes in umbilical cord blood transplantation (UCBT) by omitting antithymocyte globulin (ATG) in the conditioning regimen, this approach has not been comparatively studied in unrelated peripheral blood stem cell transplantation (UPBSCT). To compare the risks and benefits between UCBT without ATG and UPBSCT in patients with acute leukemia (AL). This was a multicenter retrospective study of 79 patients who underwent UCBT (myeloablative conditioning without ATG) and 96 patients who underwent UPBSCT (myeloablative conditioning with ATG)...
May 9, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28499895/epstein-barr-virus-and-rheumatoid-arthritis
#2
Nathalie Balandraud, Jean Roudier
Rheumatoid arthritis (RA) is one of the most common autoimmune diseases, with a 0.5% world-wide prevalence. The cause of RA remains unknown, however both genetic and environmental factors may contribute to its development. Among these is the Epstein-Barr Virus (EBV). Here, we discuss several aspects of the close relationship between EBV and RA. Patients with RA have impaired control of EBV infection. Indeed, they have high titres of antibodies against EBV antigens. Their peripheral blood T lymphocytes are less efficient at controlling the outgrowth of EBV-infected B cells...
May 9, 2017: Joint, Bone, Spine: Revue du Rhumatisme
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
#3
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/28484077/epstein-barr-virus-induced-vegf-and-gm-csf-drive-nasopharyngeal-carcinoma-metastasis-via-recruitment-and-activation-of-macrophages
#4
Di Huang, Shijian Song, Zi-Zhao Wu, Wei Wu, Xiuying Cui, Jia-Ning Chen, Mu-Sheng Zeng, Shicheng Su
Chronic inflammation induced by persistent microbial infection plays an essential role in tumor progression. Although it is well documented that Epstein-Barr virus (EBV) infection is closely associated with nasopharyngeal carcinoma (NPC), how EBV-induced inflammation promotes NPC progression remains largely unknown. Here we report that tumor infiltration of tumor associated macrophages (TAM) and expression of CCL18, the cytokine preferentially secreted by TAM, closely correlate with serum EBV infection titers and tumor progression in two cohorts of NPC patients...
May 8, 2017: Cancer Research
https://www.readbyqxmd.com/read/28478837/the-spread-of-ebv-to-ectopic-lymphoid-aggregates-may-be-the-final-common-pathway-in-the-pathogenesis-of-me-cfs
#5
Willy Eriksen
According to the hypothesis presented here, myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) develops over 3 steps: Step 1 is characterized by the aggregation of lymphoid cells in dorsal root ganglia or other nervous structures. The cause of this formation of ectopic lymphoid aggregates may be an acute infection, asymptomatic reactivations of a common neurotropic virus, exposure to a neurotoxin, or physical injury to peripheral nerves. In step 2, Epstein-Barr virus (EBV)-infected lymphocytes or monocytes bring EBV from the circulation to one or several of these lymphoid aggregates, whereupon cell-to-cell transmission of EBV and proliferation of latently EBV-infected lymphocytes lead to the presence of many EBV-infected cells in the lymphoid aggregates...
May 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28468603/fluorescence-in-situ-hybridization-is-superior-for-monitoring-epstein-barr-viral-load-in-infectious-mononucleosis-patients
#6
Pengfei Cao, Meili Zhang, Wei Wang, Yafei Dai, Buqing Sai, Jun Sun, Lujuan Wang, Fan Wang, Guiyuan Li, Juanjuan Xiang
BACKGROUND: Epstein Barr virus (EBV) plays a causal role in some diseases, including infectious mononucleosis, lymphoproliferative diseases and nasopharyngeal carcinoma. Detection of EBV infection has been shown to be a useful tool for diagnosing EBV-related diseases. In the present study, we compared the performance of molecular tests, including fluorescence in situ hybridization (FISH) and EBV real-time PCR, to those of serological assays for the detection of EBV infection. METHODS: Thirty-eight patients with infectious mononucleosis (IM) were enrolled, of whom 31 were diagnosed with a mild type, and seven were diagnosed with IM with haemophagocytic lymphohistiocytosis and chronic active EBV infection...
May 3, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28465156/plasma-viral-mirnas-indicate-a-high-prevalence-of-occult-viral-infections
#7
Enrique Fuentes-Mattei, Dana Elena Giza, Masayoshi Shimizu, Cristina Ivan, John T Manning, Stefan Tudor, Maria Ciccone, Osman Aykan Kargin, Xinna Zhang, Pilar Mur, Nayra Soares do Amaral, Meng Chen, Jeffrey J Tarrand, Florea Lupu, Alessandra Ferrajoli, Michael J Keating, Catalin Vasilescu, Sai-Ching Jim Yeung, George A Calin
Prevalence of Kaposi sarcoma-associated herpesvirus (KSHV/HHV-8) varies greatly in different populations. We hypothesized that the actual prevalence of KSHV/HHV8 infection in humans is underestimated by the currently available serological tests. We analyzed four independent patient cohorts with post-surgical or post-chemotherapy sepsis, chronic lymphocytic leukemia and post-surgical patients with abdominal surgical interventions. Levels of specific KSHV-encoded miRNAs were measured by reverse transcription-quantitative polymerase chain reaction (RT-qPCR), and KSHV/HHV-8 IgG were measured by immunoassay...
April 19, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28421114/status-of-epstein-barr-virus-coinfection-with-helicobacter-pylori-in-gastric-cancer
#8
REVIEW
Shyam Singh, Hem Chandra Jha
Epstein-Barr virus is a ubiquitous human herpesvirus whose primary infection causes mononucleosis, Burkett's lymphoma, nasopharyngeal carcinoma, autoimmune diseases, and gastric cancer (GC). The persistent infection causes malignancies in lymph and epithelial cells. Helicobacter pylori causes gastritis in human with chronic inflammation. This chronic inflammation is thought to be the cause of genomic instability. About 45%-word population have a probability of having both pathogens, namely, H. pylori and EBV...
2017: Journal of Oncology
https://www.readbyqxmd.com/read/28395107/ebv-positive-b-cell-proliferations-of-varied-malignant-potential-2015-sh-eahp-workshop-report-part-1
#9
Yasodha Natkunam, John R Goodlad, Amy Chadburn, Daphne de Jong, Dita Gratzinger, John K C Chan, Jonathan Said, Elaine S Jaffe
Objectives: The 2015 Workshop of the Society for Hematopathology/European Association for Haematopathology aimed to review B-cell proliferations of varied malignant potential associated with immunodeficiency. Methods: The Workshop Panel reviewed all cases of B-cell hyperplasias, polymorphic B-lymphoproliferative disorders, Epstein-Barr virus (EBV)-positive mucocutaneous ulcer, and large B-cell proliferations associated with chronic inflammation and rendered consensus diagnoses...
February 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28395105/t-and-nk-cell-lymphomas-and-systemic-lymphoproliferative-disorders-and-the-immunodeficiency-setting-2015-sh-eahp-workshop-report-part-4
#10
Dita Gratzinger, Daphne de Jong, Elaine S Jaffe, Amy Chadburn, John K C Chan, John R Goodlad, Jonathan Said, Yasodha Natkunam
Objectives: The 2015 Workshop of the Society for Hematopathology/European Association for Haematopathology aimed to review immunodeficiency-related T- and natural killer (NK)-cell lymphoproliferations. Methods: The Workshop Panel reviewed 88 T- or NK-cell lymphoproliferations and rendered consensus diagnoses. Results: Hyperplasias of T-cell subsets may be clonal; retained architecture and the clinical setting support a benign diagnosis. Specific associations include hepatosplenic T-cell lymphoma with iatrogenic immunosuppression and breast implants with an indolent variant of anaplastic large cell lymphoma...
February 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28394808/chronic-active-epstein-barr-virus-associated-enteritis-may-develop-into-a-precancerous-disease
#11
Yu Zhang, Zhinong Jiang, Rongbei Liu, Haotian Chen, Mengyu Wang, Qian Cao
No abstract text is available yet for this article.
May 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28385786/host-virus-and-pneumococcus-specific-immune-responses-in-high-count-monoclonal-b-cell-lymphocytosis-and-chronic-lymphocytic-leukemia-implications-for-disease-progression
#12
Ignacio Criado, Santiago Muñoz-Criado, Arancha Rodríguez-Caballero, Wendy G Nieto, Alfonso Romero, Paulino Fernández-Navarro, Miguel Alcoceba, Teresa Contreras, Marcos González, Alberto Orfao, Julia Almeida
Patients diagnosed with chronic lymphocytic leukemia display a high incidence of infections due to an associated immunodeficiency that includes hypogammaglobulinemia. A higher risk of infections has also been recently reported for high-count monoclonal B-cell lymphocytosis, while no information is available in low-count monoclonal B-cell lymphocytosis. Here, we evaluated the status of the humoral immune system in patients with chronic lymphocytic leukemia (n=58), as well as in low- (n=71) and high-count (n=29) monoclonal B-cell lymphocytosis vs...
April 6, 2017: Haematologica
https://www.readbyqxmd.com/read/28385698/oral-hairy-leukoplakia-arising-in-a-patient-with-hairy-cell-leukaemia-the-first-reported-case
#13
Gemma Davis, Alexandra Perks, Pemith Liyanage, Konrad Staines
Oral hairy leukoplakia (OHL) is an oral mucosal lesion that is associated with Epstein-Barr virus infection. It commonly presents as an asymptomatic, non-removable white patch on the lateral borders of the tongue in individuals who are immunocompromised. Historically, OHL was thought to be pathognomonic of HIV infection; however, it is now an established phenomenon in a range of conditions affecting immune competence. Hairy cell leukaemia (HCL) is a rare chronic B cell lymphoproliferative disease named after the distinctive cytology of the atypical cells...
April 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28383790/post-transplant-lymphoproliferative-disease-in-lung-transplantation-a-nested-case-control-study
#14
Annelies Leyssens, Daan Dierickx, Eric K Verbeken, Thomas Tousseyn, Stijn E Verleden, Bart M Vanaudenaerde, Lieven J Dupont, Jonas Yserbyt, Geert M Verleden, Dirk E Van Raemdonck, Robin Vos
Post-transplant lymphoproliferative disorder (PTLD) may compromise long-term outcome of lung transplant (LTx) recipients. A case-control study was performed, comparing LTx recipients with PTLD (n=31) to matched recipients without PTLD (Controls, n=62). Risk factors for PTLD and post-transplant outcomes were assessed. PTLD prevalence was 3.9%, time to PTLD 323 (166-1132) days; and 54.8% had early-onset PTLD versus 45.2% late-onset PTLD. At LTx, more Epstein-Barr virus (EBV)-seronegative patients were present in PTLD (42%) compared to Controls (5%) (P<...
April 6, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28381684/inflammatory-cytokine-production-in-chronic-active-epstein-barr-virus-infection
#15
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
#16
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 CD56(bright)CD16(dim/-) NK cells from healthy donors...
April 3, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28364845/using-item-response-theory-to-optimize-measurement-of-chronic-stress-in-pregnancy
#17
Ann E B Borders, Jin-Shei Lai, Kaitlin Wolfe, Sameen Qadir, Jie Peng, Kwang-Youn Kim, Lauren Keenan-Devlin, Jane Holl, William Grobman
OBJECTIVE: Utilize Rasch analysis to develop an optimized self-reported measure of stress in pregnancy and examine the association with patient demographics and biologic measures of stress. STUDY DESIGN: Measured self-reported stress in pregnant women using 12 existing scales. Collected blood for biologic measures of stress (Epstein Barr Virus [EBV], C-Reactive Protein [CRP], Corticotropin Reactive Hormone [pCRH], and Adenocorticotropin Hormone [ACTH]). Used multidimensional scaling and Rasch analysis to produce an item reduced self-report measure...
May 2017: Social Science Research
https://www.readbyqxmd.com/read/28358704/prevalence-of-neurotropic-viruses-in-malignant-glioma-and-their-onco-modulatory-potential
#18
Tadej Strojnik, Darja Duh, Tamara T Lah
BACKGROUND: the association between infectious agents and tumour aetiology is relevant in about 20% of cases. PATIENTS AND METHODS: We tested high-grade glioma tissues from 45 patients for the presence of viral nucleic acids of six herpes viruses, human adenoviruses (A-G), and two neurotropic human viruses (enteroviruses, tick-borne encephalitis virus). Real-time polymerase chain reaction was used with immunolabelling. RESULTS: Three species of herpes viruses were detected: HSV-2, Epstein-Barr virus (EBV), HHV-6, and one human enterovirus...
March 2017: In Vivo
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
#19
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/28340951/epstein-barr-virus-hemophagocytic-lymphohistiocytosis-related-to-rituximab-use-and-immunopathogenetic-insights
#20
Sotirios G Papageorgiou, Sotirios Tsiodras, Georgios Siakallis, Efthimia Bazani, Aris Spathis, Garyfalia Poulakou, Penelope Korkolopoulou, Ioannis Panayiotides, Vasiliki Pappa
Anti-CD20-based chemo-immunotherapeutic regimens have been suggested to assist in the management of Epstein-Barr virus (EBV)-induced hemophagocytic lymphohistiocytosis (HLH) and EBV-associated post-transplant lymphoproliferative disorders (EBV-PTLD), by reducing EBV viral load and EBV-induced inflammation. Herein we report a fatal EBV-related HLH in the context of Hodgkin lymphoma (HL)-like Richter's transformation of B chronic lymphocytic leukemia (B-CLL), two months after rituximab treatment. The complex balance between EBV driven T-cell stimulation and immunosuppressive therapy in the context of multiple immune deficits is discussed...
December 2016: Pathology, Research and Practice
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