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https://www.readbyqxmd.com/read/28328987/a-novel-recombinant-variant-of-latent-membrane-protein-1-from-epstein-barr-virus-in-argentina-denotes-phylogeographical-association
#1
Magdalena Gantuz, Mario Alejandro Lorenzetti, Paola Andrea Chabay, María Victoria Preciado
AIM: To study LMP1 variants distribution among children with EBV+ malignant and benign conditions as well as in healthy carriers. METHODS: Oral secretions and blood cells from 31 children with IM, and biopsies from 14 EBV+ reactive lymphoid hyperplasia and 33 EBV+ lymphomas were included. LMP1 was amplified by nested PCR and sequenced. Phylogenetic reconstructions were made under Maximun Likelihood, Bayesian and coalescent algorithms. RESULTS: Six clades were defined (China1, China2, Med-, Alaskan, B95...
2017: PloS One
https://www.readbyqxmd.com/read/28328930/validation-of-qpcr-reference-genes-in-lymphocytes-from-patients-with-amyotrophic-lateral-sclerosis
#2
Ewa Usarek, Anna Barańczyk-Kuźma, Beata Kaźmierczak, Beata Gajewska, Magdalena Kuźma-Kozakiewicz
Quantitative polymerase chain reaction (qPCR) is the most specific and reliable method for determination of mRNA gene expression. Crucial point for its accurate normalization is the choice of appropriate internal control genes (ICGs). In the present work we determined and compare the expression of eight commonly used ICGs in lymphocytes from 26 patients with amyotrophic lateral sclerosis (ALS) and 30 control subjects. Peripheral blood mononuclear cells (PBMCs) before and after immortalization by EBV transfection (lymphoblast cell lines-LCLs) were used for qPCR analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28325354/solitary-plasmacytoma-associated-with-epstein-barr-virus-a-clinicopathologic-cytogenetic-study-and-literature-review
#3
Jiaqi Yan, Jianchao Wang, Wenyan Zhang, Min Chen, Jie Chen, Weiping Liu
Solitary plasmacytoma (SP) is an uncommon, indolent tumor of plasma cell neoplasms that presents as a mass lesion in extramedullary sites. Evidence of Epstein-Barr virus (EBV) infection is frequently associated with various lymphatic and hematopoietic malignancies but is relatively rare in SP. Moreover, it is essential to distinguish EBV-positive plasmacytoma from plasmablastic lymphoma. In this study, we found 4 EBV-encoded RNA (EBER)-positive patients among 46 consecutive immunocompetent patients of SP and compared the clinicopathologic features of these patients with those of the EBER-negative cohort...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28321074/epstein-barr-virus-associated-lymphoproliferative-disorder-with-encephalitis-following-anti-thymocyte-globulin-for-aplastic-anemia-resolved-with-rituximab-therapy-a-case-report-and-literature-review
#4
Kiyomi Mashima, Shingo Yano, Hiroki Yokoyama, Takeshi Saito, Tomohito Machishima, Takaki Shimada, Yuichi Yahagi, Shinobu Takahara, Katsuki Sugiyama, Yoji Ogasawara, Jiro Minami, Yutaro Kamiyama, Atsushi Katsube, Kazuhito Suzuki, Sayaka Ohshima, Hisashi Yamada, Noriko Usui, Keisuke Aiba
Epstein-Barr virus (EBV)-associated lymphoproliferative disorders (LPDs) sometimes occur following Anti-thymocyte globulin (ATG) administration for allogenic stem cell transplantation but are rare in aplastic anemia (AA) patients. A 55-year-old woman with AA following ATG developed refractory fever and was diagnosed with EBV-LPD. She was successfully treated with weekly rituximab monotherapy; however, she developed EBV encephalitis. She was admitted to the intensive care unit and finally recovered from unconsciousness...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28320319/cytomegalovirus-epstein-barr-virus-and-varicella-zoster-virus-infection-in-the-first-two-years-of-life-a-cohort-study-in-bradford-uk
#5
Lucy Pembrey, Dagmar Waiblinger, Paul Griffiths, Mauli Patel, Rafaq Azad, John Wright
BACKGROUND: Cytomegalovirus (CMV), Epstein Barr virus (EBV) and varicella-zoster virus (VZV) are common herpesviruses frequently acquired in childhood, which establish persistent, latent infection and are likely to impact the developing immune system. Little is known about the epidemiology of CMV and EBV infections in contemporary UK paediatric populations, particularly whether age at infection differs by ethnic group. METHODS: Children enrolled in the Born in Bradford Allergy and Infection Study had a blood sample taken and a questionnaire completed at 12 and 24 months of age...
March 21, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28316767/type-ii-enteropathy-associated-t-cell-lymphoma-a-rare-report-from-iran
#6
Neda Nozari
Type II enteropathy-associated T-cell lymphoma (EATL) is a rare disease that is reported from Asia, especially from Taiwan. In this paper, we present a patient from Iran (Arab) with Type II EATL whose disease was not associated with celiac disease or Epstein-Barr virus (EBV) infection. The patient died due to intestinal perforation during the first chemotherapy. Type II EATL is a gastrointestinal lymphoma with poor prognosis and a high affinity for intestinal perforation. Early detection of EATL II is essential for chemotherapy prior to the onset of malnutrition symptoms...
January 2017: Middle East Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28323751/long-term-nitrite-inhalant-exposure-and-cancer-risk-in-men-who-have-sex-with-men-a-prospective-cohort-study
#7
Anupriya Dutta, Hajime Uno, Alex Holman, David R Lorenz, Steven M Wolinsky, Dana Gabuzda
OBJECTIVES: Nitrite inhalants (poppers) are commonly used recreational drugs among men who have sex with men (MSM) and were previously associated with elevated rates of high-risk sexual behavior, HIV and HHV-8 seroconversion, and transient immunosuppressive effects in experimental models. Whether long-term popper use is associated with cancer risk among MSM in the HAART era is unclear. DESIGN: Prospective cohort study of cancer risk in 3223 HIV-infected and -uninfected MSM in the Multicenter AIDS Cohort Study from 1996-2010...
March 18, 2017: AIDS
https://www.readbyqxmd.com/read/28316109/airway-inflammation-and-symptoms-in-children-following-liver-and-heart-transplantation
#8
Andrew J Redmann, John C Bucuvalas, Robert E Wood, Clifford Chin, Catherine K Hart
OBJECTIVES: Describe the upper airway endoscopic findings of children with upper airway symptoms after liver transplantation (LT) or heart transplantation (HT). METHODS: Review of children undergoing airway endoscopy after LT or HT from 2011 to 2015 at a tertiary care pediatric hospital. Airway findings, biopsy results, immunosuppression and Ebstein Barr virus (EBV) levels were recorded. RESULTS: Twenty-three of 158 LT (111) and HT (47) recipients underwent endoscopy...
March 18, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28306367/the-clinical-significance-of-epstein-barr-virus-dna-in-peripheral-blood-mononuclear-cells-in-patients-with-non-hodgkin-lymphoma
#9
Yi Chen, Xiaoyun Zheng, Buyuan Chen, Xiaozhu Yang, Jing Zheng, Zhihong Zheng, Ting Yang, Tingbo Liu, Jianda Hu
The aim of the study was to determine the clinical significance of EBV DNA in the peripheral blood mononuclear cells (PBMCs) from the patients with non-Hodgkin lymphoma (NHL). Newly diagnosed patients with NHL were enrolled in the study (n = 328), and clinical data retrospectively analyzed. EBV DNA was detectable in 34.8% of patients, and the positivity rate was 51.6% for T/NK cell subtype and 24.3% for B cell subtype (p < .001). In diffuse large B cell lymphoma (DLBCL), extranodal NK/T-cell lymphoma, nasal type (ENKTL), peripheral T-cell lymphoma not otherwise classified (PTCL...
March 17, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28303641/myalgic-encephalomyelitis-chronic-fatigue-syndrome-and-gulf-war-illness-patients-exhibit-increased-humoral-responses-to-the-herpesviruses-encoded-dutpase-implications-in-disease-pathophysiology
#10
Peter Halpin, Marshall Vance Williams, Nancy G Klimas, Mary Ann Fletcher, Zachary Barnes, Maria Eugenia Ariza
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) and Gulf War Illness (GWI) are debilitating diseases with overlapping symptomology and there are currently no validated tests for definitive diagnosis of either syndrome. While there is evidence supporting the premise that some herpesviruses may act as possible triggers of ME/CFS, the involvement of herpesviruses in the pathophysiology of GWI has not been studied in spite of a higher prevalence of ME/CFS in these patients. We have previously demonstrated that the deoxyuridine triphosphate nucleotidohydrolases (dUTPase) encoded by Epstein-Barr virus (EBV), human herpesvirus-6 (HHV-6), and varicella-zoster virus (VZV) possess novel functions in innate and adaptive immunity...
March 17, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28300576/clinical-significance-of-spasmolytic-polypeptide-expressing-metaplasia-and-intestinal-metaplasia-in-ebv-associated-and-ebv-negative-gastric-cancer
#11
Yu Zhang, Jian-Ning Chen, Min Dong, Zhi-Gang Zhang, Yi-Wang Zhang, Jun-Yan Wu, Hong Du, Hai-Gang Li, Yan Huang, Chun-Kui Shao
Spasmolytic polypeptide-expressing metaplasia (SPEM) and intestinal metaplasia (IM) have been recognized as neoplastic precursors in gastric carcinogenesis. We explored the relationship between SPEM and IM in Epstein-Barr virus-associated (EBVaGC) and Epstein-Barr virus-negative (EBVnGC) gastric cancer. 64 EBVaGC and 154 EBVnGC patients were included. EBV-positivity was identified using EBER-1 in situ hybridization. SPEM was sub-classified into absent, early and advanced SPEM. Acute and chronic inflammation was graded as absent, mild, moderate and marked...
March 11, 2017: Human Pathology
https://www.readbyqxmd.com/read/28299664/roles-of-runx-in-b-cell-immortalisation
#12
Michelle J West, Paul J Farrell
RUNX1 and RUNX3 are the main RUNX genes expressed in B lymphocytes. Both are expressed throughout B-cell development and play key roles at certain key developmental transitions. The tumour-associated Epstein-Barr virus (EBV) has potent B-cell transforming ability and manipulates RUNX3 and RUNX1 transcription through novel mechanisms to control B cell growth. In contrast to resting mature B cells where RUNX1 expression is high, in EBV-infected cells RUNX1 levels are low and RUNX3 levels are high. Downregulation of RUNX1 in these cells results from cross-regulation by RUNX3 and serves to relieve RUNX1-mediated growth repression...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28299152/ebola-viral-disease-in-west-africa-a-threat-to-global-health-economy-and-political-stability
#13
Semeeh Akinwale Omoleke, Ibrahim Mohammed, Yauba Saidu
The West African sub-continent is currently experiencing its first, and ironically, the largest and longest Ebola viral diseases (EVD) outbreak ever documented in modern medical history. The current outbreak is significant in several ways, including longevity, magnitude of morbidity and mortality, occurrence outside the traditional niches, rapid spread and potential of becoming a global health tragedy. The authors provided explicit insights into the current and historical background, drivers of the epidemic, societal impacts, status of vaccines and drugs development and proffered recommendations to halt and prevent future occurrences...
August 17, 2016: Journal of Public Health in Africa
https://www.readbyqxmd.com/read/28298901/unveiling-another-missing-piece-in-ebv-driven-lymphomagenesis-ebv-encoded-micrornas-expression-in-eber-negative-burkitt-lymphoma-cases
#14
Lucia Mundo, Maria R Ambrosio, Matteo Picciolini, Giuseppe Lo Bello, Sara Gazaneo, Leonardo Del Porro, Stefano Lazzi, Mohsen Navari, Noel Onyango, Massimo Granai, Cristiana Bellan, Giulia De Falco, Davide Gibellini, Pier P Piccaluga, Lorenzo Leoncini
Epstein-Barr virus (EBV) is a gammaherpesvirus linked to a number of lymphoid and epithelial malignancies, including Burkitt lymphoma (BL) in which its frequency ranges from 30% in sporadic cases to 100% in the endemic ones. The possible contribution of EBV to BL pathogenesis is largely unknown. It has been suggested that EBV may be associated with all of the cases, including those diagnosed as EBV negative by a mechanism of hit-and-run. Early during oncogenesis, viral genes are essential for initiating disease...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28293795/a-workflow-for-in-silico-design-of-hil-10-and-ebvil-10-inhibitors-using-well-known-miniprotein-scaffolds
#15
Salvador Dueñas, Sergio A Aguila, Genaro Pimienta
The over-expression of immune-suppressors such as IL-10 is a crucial landmark in both tumor progression, and latent viral and parasite infection. IL-10 is a multifunctional protein. Besides its immune-cell suppressive function, it also promotes B-cell tumorigenesis of lymphomas and melanoma. Human pathogens like unicellular parasites and viruses that remain latent inside B cells promote the over-expression of hIL-10 upon infection, which inhibits cell-mediated immune surveillance, and at the same time mediates B cell proliferation...
April 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28293550/dock-8-deficiency-ebv-lymphomatoid-granulomatosis-and-intrafamilial-variation-in-presentation
#16
Victoria R Dimitriades, Vincent Devlin, Stefania Pittaluga, Helen C Su, Steven M Holland, Wyndham Wilson, Kieron Dunleavy, Nirali N Shah, Alexandra F Freeman
Dedicator of cytokinesis 8 (DOCK8) deficiency is an autosomal recessive, combined immunodeficiency within the spectrum of hyper-IgE syndromes. Epstein-Barr virus-positive lymphomatoid granulomatosis (LYG) (EBV + LYG) is a rare diagnosis and a previously unreported presentation of DOCK8 deficiency. A 10-year-old girl was initially evaluated for mild eczema and recurrent sinopulmonary infections. She had normal immunoglobulins with elevated IgE, poor polysaccharide response with low switched memory B cells, low CD4 count, and normal mitogen and antigen responses...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28285979/the-added-value-of-hepatitis-e-diagnostics-in-determining-causes-of-hepatitis-in-routine-diagnostic-settings-in-the-netherlands
#17
Meintje Doting, Jan Weel, H Niesters, A Riezebos-Brilman, Afke Brandenburg
OBJECTIVES: Hepatitis E virus (HEV) genotype 3 is endemic in Europe and an underdiagnosed and emerging (public) health issue. In recent years commercial enzyme immunoassays (EIAs) that detect antibodies to HEV more adequately, became available. We investigated the added value of this HEV serology in the diagnostic work flow to detect viral causes of recent hepatitis. METHODS: During a two year period (May 2013 - May 2015), HEV serology was added to the hepatitis work flow, consisting of serological detection of hepatitis A-B-C virus (HAV, HBV, HCV), Epstein-Barr Virus (EBV) and Cytomegalovirus (CMV)...
March 7, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28284242/epstein-barr-virus-nuclear-antigen-1-interacts-with-regulator-of-chromosome-condensation-1-dynamically-throughout-the-cell-cycle
#18
Thibaut Deschamps, Quentin Bazot, Derek M Leske, Ruth MacLeod, Dimitri Mompelat, Lionel Tafforeau, Vincent Lotteau, Vincent Maréchal, George S Baillie, Henri Gruffat, Joanna B Wilson, Evelyne Manet
The Epstein-Barr virus (EBV) nuclear antigen 1 (EBNA1) is a sequence-specific DNA-binding protein that plays an essential role in viral episome replication and segregation, by recruiting the cellular complex of DNA replication onto the origin (oriP) and by tethering the viral DNA onto the mitotic chromosomes. Whereas the mechanisms of viral DNA replication are well documented, those involved in tethering EBNA1 to the cellular chromatin are far from being understood. Here, we have identified regulator of chromosome condensation 1 (RCC1) as a novel cellular partner for EBNA1...
February 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28282487/establishment-of-multiplex-solid-phase-strip-pcr-test-for-detection-of-24-ocular-infectious-disease-pathogens
#19
Satoko Nakano, Sunao Sugita, Yasuhiro Tomaru, Ayumi Hono, Takako Nakamuro, Toshiaki Kubota, Hiroshi Takase, Manabu Mochizuki, Masayo Takahashi, Norio Shimizu
Purpose: To establish and evaluate a new multiplex solid-phase strip polymerase chain reaction (strip PCR) for concurrent detection of common ocular infectious disease pathogens. Methods: A new multiplex strip PCR was established to detect 24 common ocular infectious disease pathogens: herpes simplex virus (HSV) 1, HSV2, varicella-zoster virus (VZV), Epstein-Barr virus (EBV), cytomegalovirus (CMV), human herpes virus (HHV) 6, HHV7, HHV8, human T-cell lymphotropic virus (HTLV)-1, adenovirus, Mycobacterium tuberculosis, Treponema pallidum, Propionibacterium acnes (P...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28280938/viral-load-of-ebv-dnaemia-is-a-predictor-of-ebv-related-post-transplant-lymphoproliferative-disorders-in-pediatric-renal-transplant-recipients
#20
Elisa Colombini, Isabella Guzzo, Federica Morolli, Germana Longo, Cristina Russo, Alessandra Lombardi, Pietro Merli, Luisa Barzon, Luisa Murer, Simone Piga, Marta Luisa Ciofi Degli Atti, Franco Locatelli, Luca Dello Strologo
BACKGROUND: Post-transplant lymphoproliferative disorder (PTLD) is a severe complication of solid organ transplantation that can be classified into two major subtypes, namely, early lesions and non-early lesions, based on histopathological findings. In the vast majority of cases, proliferating cells are B lymphocytes and, most frequently, proliferation is induced by Epstein-Barr virus (EBV) infection. METHODS: The aim of our study was to evaluate the natural history of EBV infection and its possible evolution toward PTLD in a pediatric cohort of patients who received a renal transplant between January 2000 and December 2013...
March 9, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
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