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https://www.readbyqxmd.com/read/28535626/-expression-and-prognostic-significance-of-microenvironment-related-prognostic-factors-in-patients-with-classical-hodgkin-s-lymphoma
#1
T T Wang, S X Li, B Xia, H F Zhao, W Xu, H L Yang, X F Wang, Y Yu, B C Sun, Y Z Zhang
Objective: To observe the expression of three microenvironment related prognostic factors, i. e. programmed death 1 (PD-1), forkhead box protein 3(FOXP3) and colony-stimulating factor 1 receptor(CSF-1R) protein in classical Hodgkin's lymphoma (CHL) patients, and to explore the correlation between the protein expression and the prognosis of the patients. Methods: A total of 45 cases of CHL patients, who had been admitted to the Tianjin Medical University Cancer Institute and Hospital and Chinese PLA General Hospital from February 2005 to August 2010 were analyzed, including clinical features, prognostic factors, and treatment regimens...
May 16, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28535360/posttransplant-lymphoproliferative-disorder-otolaryngological-manifestations-and-management
#2
Richard Heyes, Donald W Northfelt, David G Lott
Objective Posttransplant lymphoproliferative disorder (PTLD) is a unifying term for a spectrum of lymphoid expansion entities brought about by immunosuppression and is strongly associated with Epstein-Barr virus (EBV). Otolaryngological findings tend to present early in the clinical course; therefore, disease awareness among otolaryngologists is of utmost importance. This review synthesizes the body of literature pertaining to PTLD involving the head and neck, summarizes contemporary management, and highlights areas for future research...
May 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28529609/is-pretreatment-epstein-barr-virus-dna-still-associated-with-6-year-survival-outcomes-in-locoregionally-advanced-nasopharyngeal-carcinoma
#3
Ya-Nan Jin, Ji-Jin Yao, Fan Zhang, Si-Yang Wang, Wang-Jian Zhang, Guan-Qun Zhou, Zhen-Yu Qi, Ying Sun
Purpose: The objective of this study was to confirm the association between pretreatment Epstein-Barr virus (EBV) DNA (pre-DNA) load and survival outcomes after long-term follow-up in patients with locoregionally advanced nasopharyngeal carcinoma (LA-NPC). Materials and Methods: Between November 2009 and February 2012, a total of 1036 patients with LA-NPC were enrolled. There were 762 patients in stage III and 274 in stage IVA-B. All patients were treated with radical radiotherapy with or without chemotherapy, and pre-DNA concentrations were quantified by a polymerase chain reaction assay...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28527920/emerging-bronchoscopic-treatments-for-chronic-obstructive-pulmonary-disease
#4
REVIEW
Wouter H van Geffen, Huib A M Kerstjens, Dirk-Jan Slebos
Chronic obstructive pulmonary disease (COPD) is a progressive lung disease characterized by pathophysiological factors including airflow limitation, hyperinflation and reduced gas exchange. Treatment consists of lifestyle changes, lung rehabilitation and pharmacological therapies such as long acting beta-2-agonists (LABA) and long acting muscarinic antagonists (LAMA). More recently bronchoscopic treatments are emerging for COPD. Among them endobronchial valves(EBV) and endobronchial coils (EBC), next to endobronchial stents, sclerosing agents, targeted lung denervation and liquid nitrogen metered cryospray...
May 17, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28515295/natural-variation-of-epstein-barr-virus-genes-proteins-and-pri-mirna-revised
#5
Samantha Correia, Anne Palser, Claudio Elgueta Karstegl, Jaap M Middeldorp, Octavia Ramayanti, Jeffrey I Cohen, Allan Hildesheim, Maria Dolores Fellner, Joelle Wiels, Robert E White, Paul Kellam, Paul J Farrell
Viral gene sequences from an enlarged set of about 200 Epstein-Barr virus (EBV) strains including many primary isolates have been used to investigate variation in key viral genetic regions, particularly LMP1, Zp, gp350, EBNA1 and the BART miRNA cluster 2. Determination of type 1 and type 2 EBV in saliva samples from people from a wide range of geographic and ethnic backgrounds demonstrates a small percentage of healthy white Caucasian British people carrying predominantly type 2 EBV. Linkage of Zp and gp350 variants to type 2 EBV is likely to be due to their genes being adjacent to the EBNA3 locus, which is one of the major determinants of the type 1/type 2 distinction...
May 17, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28514666/a-temporal-proteomic-map-of-epstein-barr-virus-lytic-replication-in-b-cells
#6
Ina Ersing, Luis Nobre, Liang Wei Wang, Lior Soday, Yijie Ma, Joao A Paulo, Yohei Narita, Camille W Ashbaugh, Chang Jiang, Nicholas E Grayson, Elliott Kieff, Steven P Gygi, Michael P Weekes, Benjamin E Gewurz
Epstein-Barr virus (EBV) replication contributes to multiple human diseases, including infectious mononucleosis, nasopharyngeal carcinoma, B cell lymphomas, and oral hairy leukoplakia. We performed systematic quantitative analyses of temporal changes in host and EBV proteins during lytic replication to gain insights into virus-host interactions, using conditional Burkitt lymphoma models of type I and II EBV infection. We quantified profiles of >8,000 cellular and 69 EBV proteins, including >500 plasma membrane proteins, providing temporal views of the lytic B cell proteome and EBV virome...
May 16, 2017: Cell Reports
https://www.readbyqxmd.com/read/28513810/epstein-barr-virus-encephalitis-in-solid-organ-transplantation
#7
Jillian S Y S Y, Zhi Mei Low, Iain Abbott, Lani Shochet, John Kanellis, Richard A Kitching, Tony M Korman
Epstein-Barr virus (EBV) is typically associated with post transplant lymphoproliferative disease (PTLD) after solid organ and stem cell transplantation. However, it is rarely associated with neurological complications. We report a case of severe encephalitis complicating primary EBV infection six months post renal transplantation, and review the literature on EBV encephalitis in solid organ transplantation in adults. A 55-year-old male presented 6 months post cadaveric renal transplant with headache, fever and confusion...
May 17, 2017: New Microbiologica
https://www.readbyqxmd.com/read/28512118/epstein-barr-virus-encoded-lmp2a-stimulates-migration-of-nasopharyngeal-carcinoma-cells-via-egfr-ca-2-calpain-itg%C3%AE-4-axis
#8
Jiezhen Liang, Shixing Zheng, Xue Xiao, Jiazhang Wei, Zhe Zhang, Ingemar Ernberg, Liudmila Matskova, Guangwu Huang, Xiaoying Zhou
Epstein-Barr virus (EBV)-encoded latent membrane protein 2A (LMP2A) promotes the motility of nasopharyngeal carcinoma (NPC) cells. Previously, we have shown that the localization of integrin β4 (ITGβ4) was regulated by LMP2A, with ITGβ4 concentrated at the cellular protrusions in LMP2A expressing NPC cells. In the present study, we aim to further investigate mechanisms involved in this process and its contribution to cell motility. We show that expression of LMP2A was correlated with increased EGFR activation, elevated levels of intracellular Ca(2+), calpain activation and accelerated cleavage of ITGβ4...
May 16, 2017: Biology Open
https://www.readbyqxmd.com/read/28507812/a-barf1-specific-mab-as-a-new-immunotherapeutic-tool-for-the-management-of-ebv-related-tumors
#9
Riccardo Turrini, Anna Merlo, Debora Martorelli, Damiana Antonia Faè, Roberta Sommaggio, Isabella Monia Montagner, Vito Barbieri, Oriano Marin, Paola Zanovello, Riccardo Dolcetti, Antonio Rosato
The use of monoclonal antibodies (mAb) for the diagnosis and treatment of malignancies is acquiring an increasing clinical importance, thanks to their specificity, efficacy and relative easiness of use. However, in the context of Epstein-Barr virus (EBV)-related malignancies, only cancers of B-cell origin can benefit from therapeutic mAb targeting specific B-cell lineage antigens. To overcome this limitation, we generated a new mAb specific for BARF1, an EBV-encoded protein with transforming and immune-modulating properties...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28506921/decrease-of-blood-anti-%C3%AE-1-3-galactose-abs-levels-in-multiple-sclerosis-ms-and-clinically-isolated-syndrome-cis-patients
#10
L Le Berre, J Rousse, P-A Gourraud, B-M Imbert-Marcille, A Salama, G Evanno, G Semana, A Nicot, E Dugast, P Guérif, C Adjaoud, T Freour, S Brouard, F Agbalika, R Marignier, D Brassat, D-A Laplaud, E Drouet, V Van Pesch, J-P Soulillou
The etiology of multiple sclerosis (MS) remains elusive. Among the possible causes, the increase of anti-Neu5Gc antibodies during EBV primo-infection of Infectious mononucleosis (IMN) may damage the integrity of the blood-brain barrier facilitating the transfer of EBV-infected B cells and anti-EBV T cell clones in the brain. We investigated the change in titers of anti-Neu5Gc and anti-α1,3 Galactose antibodies in 49 IMN, in 76 MS, and 73 clinically isolated syndrome (CIS) patients, as well as age/gender-matched healthy individuals...
May 18, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28506687/human-immunodeficiency-virus-hiv-and-epstein-barr-virus-ebv-related-lymphomas-pathology-view-point
#11
REVIEW
Ebru Linke-Serinsöz, Falko Fend, Leticia Quintanilla-Martinez
The contribution of Epstein Barr virus (EBV) and Kaposi sarcoma herpes virus (KSHV) to the development of specific types of malignant lymphomas occurring in the human immunodeficiency virus (HIV) setting has been extensively studied since the beginning of the HIV epidemic 35 years ago. The introduction of highly active antiretroviral therapies (HAART) in 1996 has changed dramatically the incidence of HIV-related malignancies. Nevertheless, malignant lymphomas continue to be the major group of malignances observed in HIV infected individuals, and the most common cause of cancer related-deaths...
April 7, 2017: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28503279/incidence-and-risk-factors-for-cytomegalovirus-in-kidney-transplant-patients-in-babol-northern-iran
#12
Arefeh Babazadeh, Mostafa Javanian, Farshid Oliaei, Roghayeh Akbari, Abazar Akbarzadepasha, Ali Bijani, Mahmoud Sadeghi
BACKGROUND: Cytomegalovirus (CMV) disease is an important cause of death and possibly transplant rejection in kidney transplant (KT) patients. This study was conducted to investigate the incidence and risk factors of CMV disease in kidney transplant patients. METHODS: All end-stage renal disease (ESRD) patients who underwent kidney transplantation during 1998-2014 and their donors were assessed. All samples were followed-up for approximately 70 months. CMV was identified by polymerase chain reaction (PCR) and/or PP65 antigen in peripheral blood leukocytes along with clinical manifestations...
2017: Caspian Journal of Internal Medicine
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
#13
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
#14
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/28499412/genome-wide-dna-methylation-analysis-reveals-hypomethylation-in-the-low-cpg-promoter-regions-in-lymphoblastoid-cell-lines
#15
Itsuki Taniguchi, Chihiro Iwaya, Keizo Ohnaka, Hiroki Shibata, Ken Yamamoto
BACKGROUND: Epidemiological studies of DNA methylation profiles may uncover the molecular mechanisms through which genetic and environmental factors contribute to the risk of multifactorial diseases. There are two types of commonly used DNA bioresources, peripheral blood cells (PBCs) and EBV-transformed lymphoblastoid cell lines (LCLs), which are available for genetic epidemiological studies. Therefore, to extend our knowledge of the difference in DNA methylation status between LCLs and PBCs is important in human population studies that use these DNA sources to elucidate the epigenetic risks for multifactorial diseases...
May 12, 2017: Human Genomics
https://www.readbyqxmd.com/read/28497429/pathogenesis-and-fdg-pet-ct-findings-of-epstein-barr-virus-related-lymphoid-neoplasms
#16
REVIEW
Akira Toriihara, Reiko Nakajima, Ayako Arai, Masashi Nakadate, Koichiro Abe, Kazunori Kubota, Ukihide Tateishi
Epstein-Barr virus (EBV) is one of the most common viruses, infecting more than 90% of the adult population worldwide. EBV genome is detected in some lymphoid neoplasms. Not only their histopathological subtypes, but also their backgrounds and their clinical courses are variable. A number of B-cell lymphoproliferative disorders associated with the immunocompromised state are related to EBV infection. The incidences of these disorders have been increasing along with generalization of organ transplantations and use of immunosuppressive treatments...
May 11, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28495131/massive-intracerebral-epstein-barr-virus-reactivation-in-lethal-multiple-sclerosis-relapse-after-natalizumab-withdrawal
#17
Barbara Serafini, Eleonora Scorsi, Barbara Rosicarelli, Valérie Rigau, Eric Thouvenot, Francesca Aloisi
Rebound of disease activity in multiple sclerosis patients after natalizumab withdrawal is a potentially life-threatening event. To verify whether highly destructive inflammation after natalizumab withdrawal is associated with Epstein-Barr virus (EBV) reactivation in central nervous system infiltrating B-lineage cells and cytotoxic immunity, we analyzed post-mortem brain tissue from a patient who died during a fulminating MS relapse following natalizumab withdrawal. Numerous EBV infected B cells/plasma cells and CD8+ T cells infiltrated all white matter lesions; the highest frequency of EBV lytically infected cells and granzyme B+ CD8+ T cells was observed in actively demyelinating lesions...
June 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28494239/crispr-cas9-screens-reveal-epstein-barr-virus-transformed-b-cell-host-dependency-factors
#18
Yijie Ma, Michael J Walsh, Katharina Bernhardt, Camille W Ashbaugh, Stephen J Trudeau, Isabelle Y Ashbaugh, Sizun Jiang, Chang Jiang, Bo Zhao, David E Root, John G Doench, Benjamin E Gewurz
Epstein-Barr virus (EBV) causes endemic Burkitt lymphoma (BL) and immunosuppression-related lymphomas. These B cell malignancies arise by distinct transformation pathways and have divergent viral and host expression programs. To identify host dependency factors resulting from these EBV+, B cell-transformed cell states, we performed parallel genome-wide CRISPR/Cas9 loss-of-function screens in BL and lymphoblastoid cell lines (LCLs). These highlighted 57 BL and 87 LCL genes uniquely important for their growth and survival...
May 10, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28493890/transcriptome-wide-analysis-of-alternative-rna-splicing-events-in-epstein-barr-virus-associated-gastric-carcinomas
#19
Victoria E S Armero, Marie-Pier Tremblay, Andréa Allaire, Simon Boudreault, Camille Martenon-Brodeur, Cyntia Duval, Mathieu Durand, Elvy Lapointe, Philippe Thibault, Maude Tremblay-Létourneau, Jean-Pierre Perreault, Michelle S Scott, Martin Bisaillon
Multiple human diseases including cancer have been associated with a dysregulation in RNA splicing patterns. In the current study, modifications to the global RNA splicing landscape of cellular genes were investigated in the context of Epstein-Barr virus-associated gastric cancer. Global alterations to the RNA splicing landscape of cellular genes was examined in a large-scale screen from 295 primary gastric adenocarcinomas using high-throughput RNA sequencing data. RT-PCR analysis, mass spectrometry, and co-immunoprecipitation studies were also used to experimentally validate and investigate the differential alternative splicing (AS) events that were observed through RNA-seq studies...
2017: PloS One
https://www.readbyqxmd.com/read/28490592/epstein-barr-virus-rta-mediated-accumulation-of-dna-methylation-interferes-with-ctcf-binding-in-both-host-and-viral-genomes
#20
Yen-Ju Chen, Yu-Lian Chen, Yao Chang, Chung-Chun Wu, Ying-Chieh Ko, Sai Wah Tsao, Jen-Yang Chen, Su-Fang Lin
Rta, an Epstein-Barr virus (EBV) immediate-early protein, reactivates viral lytic replication that is closely associated with tumorigenesis. In previous studies, we demonstrated that in epithelial cells Rta efficiently induced cellular senescence, which is an irreversible G1 arrest likely to provide a favorable environment for productive replications of EBV and Kaposi's sarcoma-associated herpesvirus (KSHV). To restrict progression of the cell cycle, Rta simultaneously upregulates CDK inhibitors and downregulates MYC, CCND1 and JUN, among others...
May 10, 2017: Journal of Virology
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