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EBV, Cancer

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https://www.readbyqxmd.com/read/28229344/variation-in-risk-and-outcomes-of-epstein-barr-virus-associated-breast-cancer-by-epidemiologic-characteristics-and-virus-detection-strategies-an-exploratory-study
#1
Sally L Glaser, Alison J Canchola, Theresa H M Keegan, Christina A Clarke, Teri A Longacre, Margaret L Gulley
PURPOSE: A relationship of Epstein-Barr virus (EBV) and breast cancer etiology and outcome may have clinical utility and potential to enhance understanding of tumor biology. Research to date has yielded variable results, likely reflecting differing virus detection assays and unaddressed epidemiologic heterogeneity across studies. METHODS: Applying our novel, five-target assay detection strategy in an exploratory study, we examined demographic, clinical, and tumor characteristics, and overall survival, associated with EBV positivity in breast adenocarcinomas from 59 non-Hispanic white and 68 Hispanic women sampled by age (<50, 50+) and stage (localized, regional/remote) and examined associations based on single assay targets...
February 22, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28222215/epstein-barr-virus-specific-adoptive-immunotherapy-for-recurrent-metastatic-nasopharyngeal-carcinoma
#2
Julian Huang, Mark Fogg, Lori J Wirth, Heather Daley, Jerome Ritz, Marshall R Posner, Fred C Wang, Jochen H Lorch
BACKGROUND: Early-stage and intermediate stage nasopharyngeal cancer (NPC) generally carry a good prognosis, but for patients with recurrent, metastatic disease, options are limited. In the current study, the authors present a phase 1/2 study to evaluate the efficacy of Epstein-Barr virus (EBV)-stimulated cytotoxic T-lymphocyte (EBV-CTL) immunotherapy in this patient population. METHODS: Screening for patients with active, recurrent, metastatic EBV-associated NPC began in February 2007, and the study was closed to accrual in January 2012...
February 21, 2017: Cancer
https://www.readbyqxmd.com/read/28210636/hemophagocytic-lymphohistiocytosis-in-a-patient-with-hodgkin-lymphoma-and-concurrent-ebv-cmv-and-candida-infections
#3
Moaath Mustafa Ali, Ana Lucia Ruano Mendez, Hetty E Carraway
Hemophagocytic lymphohistiocytosis (HLH) is a syndrome characterized by immune activation and subsequent widespread organ damage. Patients affected by HLH commonly develop fever, cytopenias, liver damage, neurologic manifestations, and hypercytokinemia. In this case, we describe a 60-year-old male who presented with HLH and concurrent Epstein-Barr virus, cytomegalovirus, and Candida infections and was subsequently diagnosed with a Hodgkin lymphoma. This case highlights the importance of considering a cancer diagnosis in the differential diagnosis of patients presenting with HLH...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28205059/clinical-application-of-early-gastric-carcinoma-with-lymphoid-stroma-based-on-lymph-node-metastasis-status
#4
Hyun Lim, In Seob Lee, Jeong Hoon Lee, Young Soo Park, Hyo Jeong Kang, Hee Kyong Na, Ji Yong Ahn, Do Hoon Kim, Kee Don Choi, Ho June Song, Gin Hyug Lee, Hwoon-Yong Jung, Jin-Ho Kim, Beom Su Kim, Jeong Hwan Yook, Byung Sik Kim
BACKGROUND: Gastric carcinoma with lymphoid stroma (GCLS) is characterized by undifferentiated carcinoma mixed with prominent lymphoid infiltration. GCLS has unique clinicopathological features and a better prognosis compared to other types of gastric cancer. We analyzed the clinicopathological features of early GCLS in relation to lymph node metastasis (LNM). METHODS: We performed a retrospective analysis of 241 patients diagnosed with GCLS confined to the mucosa or the submucosa between March 1998 and December 2015...
February 15, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28197365/crispr-cas9-mediated-disruption-of-pd-1-on-human-t-cells-for-adoptive-cellular-therapies-of-ebv-positive-gastric-cancer
#5
Shu Su, Zhengyun Zou, Fangjun Chen, Naiqing Ding, Juan Du, Jie Shao, Lin Li, Yao Fu, Bian Hu, Yang Yang, Huizi Sha, Fanyan Meng, Jia Wei, Xingxu Huang, Baorui Liu
The successful use of immune cell checkpoint inhibitors PD-1 and PD-L1, over the past 5 y has raised the concern of using immunotherapy to treat various cancers. Epstein-Barr virus-associated gastric cancer (EBVaGC) exhibits high infiltration of lymphocytes and high amplification of immune-related genes including PD-L1 as distinguished from Epstein-Barr virus-non-associated gastric cancer (EBVnGC). Here, we presume that this PD-1/PD-L1 pathway may hinder the efficacy of adoptive T cell therapy toward EBVaGC...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28194453/a-paper-based-platform-for-detection-of-viral-rna
#6
Daohong Zhang, David Broyles, Eric A Hunt, Emre Dikici, Sylvia Daunert, Sapna K Deo
Viral detection presents a host of challenges for even the most sensitive analytical techniques, and the complexity of common detection platforms typically preclude portability. With these considerations in mind, we designed a paper microzone plate-based virus detection system for the detection of viral genetic material that can be performed with simple instruments. The sensing system can detect viral cDNA reverse-transcribed from total RNA extraction by utilizing a biotinylated capture probe and an Alexa Fluor® 647-labeled reporter probe...
February 14, 2017: Analyst
https://www.readbyqxmd.com/read/28192371/somatic-mutations-in-telomerase-promoter-counterbalance-germline-loss-of-function-mutations
#7
Lindley Maryoung, Yangbo Yue, Ashley Young, Chad A Newton, Cindy Barba, Nicolai S C van Oers, Richard C Wang, Christine Kim Garcia
Germline coding mutations in different telomere-related genes have been linked to autosomal-dominant familial pulmonary fibrosis. Individuals with these inherited mutations demonstrate incomplete penetrance of clinical phenotypes affecting the lung, blood, liver, skin, and other organs. Here, we describe the somatic acquisition of promoter mutations in telomerase reverse transcriptase (TERT) in blood leukocytes of approximately 5% of individuals with inherited loss-of-function coding mutations in TERT or poly(A)-specific ribonuclease (PARN), another gene linked to telomerase function...
February 13, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28186092/epstein-barr-virus-particles-induce-centrosome-amplification-and-chromosomal-instability
#8
Anatoliy Shumilov, Ming-Han Tsai, Yvonne T Schlosser, Anne-Sophie Kratz, Katharina Bernhardt, Susanne Fink, Tuba Mizani, Xiaochen Lin, Anna Jauch, Josef Mautner, Annette Kopp-Schneider, Regina Feederle, Ingrid Hoffmann, Henri-Jacques Delecluse
Infections with Epstein-Barr virus (EBV) are associated with cancer development, and EBV lytic replication (the process that generates virus progeny) is a strong risk factor for some cancer types. Here we report that EBV infection of B-lymphocytes (in vitro and in a mouse model) leads to an increased rate of centrosome amplification, associated with chromosomal instability. This effect can be reproduced with virus-like particles devoid of EBV DNA, but not with defective virus-like particles that cannot infect host cells...
February 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/28180998/the-prognostic-value-and-pathobiological-significance-of-glasgow-microenvironment-score-in-gastric-cancer
#9
Zhi-Hua Zhou, Cheng-Dong Ji, Jiang Zhu, Hua-Liang Xiao, Hai-Bin Zhao, You-Hong Cui, Xiu-Wu Bian
PURPOSE: To evaluate the prognostic value and pathobiological significance of Glasgow microenvironment score (GMS), a parameter based on tumor stroma percentage and inflammatory cell infiltration, in gastric cancer. METHODS: A total of 225 cases of gastric cancer were histologically reviewed, and GMS was evaluated for each case. The association between GMS and patients' survival was investigated. Then the relationship between GMS and mismatch repair (MMR) status, Epstein-Barr virus (EBV) infection were determined using immunohistochemistry (IHC) and in situ hybridization, and the expression of PD1/PD-L1 was examined...
February 8, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28176656/outlook-on-epigenetic-therapeutic-approaches-for-treatment-of-gastric-cancer
#10
Petra Hudler
The incidence of gastric cancer has been declining globally in the last decades. Despite the improvements in the diagnostic procedures, most cases are still detected at advanced stages due to lack of specific symptoms associated with early phases of tumour development. Consequently, gastric cancer poses a major health burden worldwide due to high mortality rates. Continuing advances in high-throughput technologies are revealing an intricate network of genetic and epigenetic changes associated with carcinogenesis...
February 3, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28163802/nitrative-and-oxidative-dna-damage-in-infection-related-carcinogenesis-in-relation-to-cancer-stem-cells
#11
REVIEW
Shosuke Kawanishi, Shiho Ohnishi, Ning Ma, Yusuke Hiraku, Shinji Oikawa, Mariko Murata
Infection and chronic inflammation have been recognized as important factors for carcinogenesis. Under inflammatory conditions, reactive oxygen species (ROS) and reactive nitrogen species (RNS) are generated from inflammatory and epithelial cells, and result in the formation of oxidative and nitrative DNA lesions, such as 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) and 8-nitroguanine. The DNA damage can cause mutations and has been implicated in inflammation-mediated carcinogenesis. It has been estimated that various infectious agents are carcinogenic to humans (IARC group 1), including bacterium Helicobacter pylori (H...
2017: Genes and Environment: the Official Journal of the Japanese Environmental Mutagen Society
https://www.readbyqxmd.com/read/28155194/regulatory-network-analysis-of-epstein-barr-virus-identifies-functional-modules-and-hub-genes-involved-in-infectious-mononucleosis
#12
Mansour Poorebrahim, Ali Salarian, Saeideh Najafi, Mohammad Foad Abazari, Maryam Nouri Aleagha, Mohammad Nasr Dadras, Seyed Mohammad Jazayeri, Atousa Ataei, Vahdat Poortahmasebi
Epstein-Barr virus (EBV) is the most common cause of infectious mononucleosis (IM) and establishes lifetime infection associated with a variety of cancers and autoimmune diseases. The aim of this study was to develop an integrative gene regulatory network (GRN) approach and overlying gene expression data to identify the representative subnetworks for IM and EBV latent infection (LI). After identifying differentially expressed genes (DEGs) in both IM and LI gene expression profiles, functional annotations were applied using gene ontology (GO) and BiNGO tools, and construction of GRNs, topological analysis and identification of modules were carried out using several plugins of Cytoscape...
February 2, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28149767/metastatic-lymphoepithelioma-like-carcinoma-of-the-lung-treated-with-nivolumab-a-case-report-and-focused-review-of-literature
#13
Chul Kim, Arun Rajan, Pedro A DeBrito, Giuseppe Giaccone
In recent years, significant advances have been made in cancer immunotherapy. Here, we present the first report of a patient with lymphoepithelioma-like carcinoma (LELC) of the lung, an Epstein-Barr virus (EBV)-associated lung cancer, who was treated with nivolumab, a fully human IgG4 anti-PD-1 monoclonal antibody. We also carry out a focused review to identify and examine studies of LELC of the lung in the literature. This case report highlights the need to further assess the role of immune checkpoint inhibitors in LELC of the lung...
December 2016: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28143425/higher-igfbp-1-to-igf-1-serum-ratio-predicts-unfavourable-survival-in-patients-with-nasopharyngeal-carcinoma
#14
Xinwei Feng, Jianhua Lin, Shan Xing, Wanli Liu, Ge Zhang
BACKGROUND: The insulin-like growth factor (IGF) system plays an important role in the development and progression of cancer. However, little is known about the expression of the IGF system components and their clinicopathological significance and prognostic value in nasopharyngeal carcinoma (NPC). METHODS: IGF system components (IGF-1, IGF-2, IGF-1SR, IGFBP-1, IGFBP-2, IGFBP-3, IGFBP-4 and IGFBP-6) were quantified from the plasma of NPC patients and healthy individuals using the RayBio Human Cytokine Antibody Array...
January 31, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28137761/comprehensive-transcriptome-and-mutational-profiling-of-endemic-burkitt-lymphoma-reveals-ebv-type-specific-differences
#15
Yasin Kaymaz, Cliff I Oduor, Hongbo Yu, Juliana A Otieno, John M Ong'echa, Ann M Moormann, Jeffrey A Bailey
: Endemic Burkitt lymphoma (eBL) is the most common pediatric cancer in malaria-endemic equatorial Africa and nearly always contains Epstein-Barr virus (EBV), unlike sporadic Burkitt Lymphoma (sBL) that occurs with a lower incidence in developed countries. Given these differences and the variable clinical presentation and outcomes, we sought to further understand pathogenesis by investigating transcriptomes using RNA sequencing (RNAseq) from multiple primary eBL tumors compared to sBL tumors...
January 30, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28124158/pathogenesis-of-gastric-cancer-genetics-and-molecular-classification
#16
Ceu Figueiredo, M Constanza Camargo, Marina Leite, Ezequiel M Fuentes-Pananá, Charles S Rabkin, José C Machado
Gastric cancer is the fifth most incident and the third most common cause of cancer-related death in the world. Infection with Helicobacter pylori is the major risk factor for this disease. Gastric cancer is the final outcome of a cascade of events that takes decades to occur and results from the accumulation of multiple genetic and epigenetic alterations. These changes are crucial for tumor cells to expedite and sustain the array of pathways involved in the cancer development, such as cell cycle, DNA repair, metabolism, cell-to-cell and cell-to-matrix interactions, apoptosis, angiogenesis, and immune surveillance...
2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28122341/high-level-of-viral-microrna-bart20-5p-expression-is-associated-with-worse-survival-of-patients-with-epstein-barr-virus-associated-gastric-cancer
#17
Byung Woog Kang, YongHun Choi, Oh Kyoung Kwon, Seung Soo Lee, Ho Young Chung, Wansik Yu, Han Ik Bae, An Na Seo, Hyojeung Kang, Suk Kyeong Lee, Seong Woo Jeon, Keun Hur, Jong Gwang Kim
This study analyzed the relationship between several Epstein-Barr virus (EBV) microRNA (miRNA) expression profiles and the clinicopathologic features of patients with EBV-associated gastric cancer. The miRNA expression was examined in 59 tumor and 39 paired normal mucosal tissues from available formalin-fixed paraffin embedded tissue samples. The expression levels of miR-BamHI fragment A rightward transcript (BART)1-5p, miR-BART4-5p, and miR-BART20-5p were determined using a quantitative real-time polymerase chain reaction...
January 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28115308/a-supporting-role-of-chinese-national-immortalized-cell-bank-in-life-science-research
#18
Xu Chongfeng, Duan Ziyuan
A biorepository of human samples is essential to support the research of life science. Lymphoblastoid B cell line (LCL), which is easy to be prepared and can reproduce indefinitely, is a convenient form of sample preservation. LCLs are established from human B cells transformed by Epstein-Barr virus (EBV). Chinese National Immortalized Cell Bank has preserved human LCLs from different ethnic groups in China. As there are many studies on the nature of LCLs and public available resources with genome-wide data for LCLs, they have been widely applied in genetics, immunology, pharmacogenetics/genomics, regenerative medicine, cancer pathogenesis and immunotherapy, screening and generation of fully human neutralizing monoclonal antibodies and study on EBV pathogenesis...
January 20, 2017: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/28111039/-current-events-in-immunotherapy-for-upper-aerodigestive-tract-cancer
#19
Sophie Outh-Gauer, Christophe Le Tourneau, Chloé Broudin, Florian Scotte, Hélène Roussel, Stéphane Hans, Marion Mandavit, Eric Tartour, Cécile Badoual
Head and neck (HN) carcinomas (mostly represented by squamous cell carcinomas [SCC]) still have a poor prognosis, which could be dramatically improved with immunotherapy. Tumor's microenvironment changes, caused by many endogenous or exogenous events, can correlate with prognosis and therapeutic response. Here, we review recent data regarding HNSCC, nasopharyngeal carcinomas (NPC) and salivary gland malignant tumors, all three being potential target of immunotherapies. About half of HNSCC exhibit PD-L1 expression, this expression being upregulated in HPV-positive tumors...
February 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28104704/perspective-the-promise-of-proteomics-in-the-study-of-oncogenic-viruses
#20
Alison Anne McBride
Oncogenic viruses are responsible for about 15% human cancers. This article explores the promise and challenges of viral proteomics in the study of the oncogenic human DNA viruses, HPV, McPyV, EBV and KSHV. These viruses have coevolved with their hosts and cause persistent infections. Each virus encodes oncoproteins that manipulate key cellular pathways to promote viral replication and evade the host immune response. Viral proteomics can identify cellular pathways perturbed by viral infection, identify cellular proteins that are crucial for viral persistence and oncogenesis, and identify important diagnostic and therapeutic targets...
January 19, 2017: Molecular & Cellular Proteomics: MCP
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