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EBV, Cancer

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https://www.readbyqxmd.com/read/28445794/post-transplant-malignancy-after-pediatric-kidney-transplantation-retrospective-analysis-of-incidence-and-risk-factors-in-884-patients-transplanted-between-1963-and-2015-at-the-university-of-minnesota
#1
Oscar K Serrano, Ananta S Bangdiwala, David M Vock, Srinath Chinnakotla, Ty B Dunn, Erik B Finger, Raja Kandaswamy, Timothy L Pruett, John S Najarian, Arthur J Matas, Blanche M Chavers
BACKGROUND: Post-transplant malignancy (PTM) remains a concern among pediatric kidney transplant (PKT) recipients. STUDY DESIGN: Between 1963 and 2015, 884 pediatric (age: 0-17 years old) recipients received 1055 PKTs at our institution. Cox proportional hazards models were constructed to identify risk factors for PTM after PKT with time-to-first-PTM as a primary outcome. Secondly, the hazard of death or graft loss was calculated in patients who developed PTM. RESULTS: Median patient survival was 33 years (interquartile range [IQR]: 18...
April 23, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28435676/understanding-cd8-t-cell-responses-toward-the-native-and-alternate-hla-a-02-01-restricted-wt1-epitope
#2
Thi Ho Nguyen, Amabel Cl Tan, Sue D Xiang, Anne Goubier, Kim L Harland, E Bridie Clemens, Magdalena Plebanski, Katherine Kedzierska
The Wilms' tumor 1 (WT1) antigen is expressed in solid and hematological malignancies, but not healthy tissues, making it a promising target for cancer immunotherapies. Immunodominant WT1 epitopes, the native HLA-A2/WT1126-134 (RMFPNAPYL) (HLA-A2/RMFPNAPYL epitope (WT1A)) and its modified variant YMFPNAPYL (HLA-A2/YMFPNAPYL epitope (WT1B)), can induce WT1-specific CD8(+) T cells, although WT1B is more stably bound to HLA-A*02:01. Here, to further determine the benefits of those two targets, we assessed the naive precursor frequencies; immunogenicity and cross-reactivity of CD8(+) T cells directed toward these two WT1 epitopes...
March 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28430637/clinical-utility-of-circulating-cell-free-epstein-barr-virus-dna-in-patients-with-gastric-cancer
#3
Katsutoshi Shoda, Daisuke Ichikawa, Yuji Fujita, Kiyoshi Masuda, Hidekazu Hiramoto, Junichi Hamada, Tomohiro Arita, Hirotaka Konishi, Toshiyuki Kosuga, Shuhei Komatsu, Atsushi Shiozaki, Kazuma Okamoto, Issei Imoto, Eigo Otsuji
Recent comprehensive molecular subtyping of gastric cancer (GC) identified Epstein-Barr virus (EBV)-positive tumors as a subtype with distinct salient molecular and clinical features. In this study, we aimed to determine the potential utility of circulating cell-free EBV DNA as a biomarker for the detection and/or monitoring of therapeutic response in patients with EBV-associated gastric carcinoma (EBVaGC). The EBV genes-to-ribonuclease P RNA component H1 ratios (EBV ratios) in the GC tumors and plasma samples were determined by quantitative real-time polymerase chain reaction in 153 patients with GC, including 14 patients with EBVaGC diagnosed by the conventional method...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28425914/epstein-barr-virus-ensures-b-cell-survival-by-uniquely-modulating-apoptosis-at-early-and-late-times-after-infection
#4
Alexander M Price, Joanne Dai, Quentin Bazot, Luv Patel, Pavel A Nikitin, Reza Djavadian, Peter S Winter, Cristina A Salinas, Ashley Perkins Barry, Kris C Wood, Eric C Johannsen, Anthony Letai, Martin J Allday, Micah A Luftig
Latent Epstein-Barr virus (EBV) infection is causally linked to several human cancers. EBV expresses viral oncogenes that promote cell growth and inhibit the apoptotic response to uncontrolled proliferation. The EBV oncoprotein LMP1 constitutively activates NFB and is critical for survival of EBV-immortalized B cells. However, during early infection EBV induces rapid B cell proliferation with low levels of LMP1 and little apoptosis. Therefore, we sought to define the mechanism of survival in the absence of LMP1/NFB early after infection...
April 20, 2017: ELife
https://www.readbyqxmd.com/read/28423694/epstein-barr-virus-ebv-encoded-small-rnas-ebers-associated-with-poor-prognosis-of-head-and-neck-carcinomas
#5
Turunen Aaro, Rautava Jaana, Grénman Reidar, Syrjänen Kari, Syrjänen Stina
BACKGROUND: Epstein-Barr virus (EBV) is the main cause of nasopharyngeal carcinoma (NPC), also found in other head and neck carcinomas (HNSCCs) where its role remains controversial. RESULTS: EBV was found in 80% and 21% of the samples with PCR and ISH (in cancer cells), respectively. Eight of ISH-positive samples were not NPCs. EBER-RNA detection in carcinoma cells was associated with worse prognosis, whether or not NPCs were included. HPV/EBV and HSV/HPV coinfections associated with a shorter survival...
March 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28421114/status-of-epstein-barr-virus-coinfection-with-helicobacter-pylori-in-gastric-cancer
#6
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/28418918/the-pd-1-pd-l1-expression-and-cd3-t-cell-infiltration-in-relation-to-outcome-in-advanced-gastric-signet-ring-cell-carcinoma-representing-a-potential-biomarker-for-immunotherapy
#7
Shenying Jin, Bo Xu, Lixia Yu, Yao Fu, Hongyan Wu, Xiangshan Fan, Jia Wei, Baorui Liu
Recent data supports a potentially significant role for immune checkpoint inhibitors in the treatment of gastric cancer. However, there are few data on the clinical implications of immunotherapy markers in gastric signet-ring cell carcinoma (SRCC). We evaluated the expression of programmed cell death protein-1 (PD-1), programmed cell death ligand 1(PD-L1), infiltration by CD3+ T cell, microsatellite instability (MSI), and Epstein-Barr Virus (EBV), and the relationship of each factor to survival in 89 advanced SRCC patients...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418084/epstein-barr-virus-infection-induces-genome-wide-de-novo-dna-methylation-in-non-neoplastic-gastric-epithelial-cells
#8
Keisuke Matsusaka, Sayaka Funata, Masaki Fukuyo, Yasuyuki Seto, Hiroyuki Aburatani, Masashi Fukayama, Atsushi Kaneda
Epstein-Barr virus (EBV)-positive gastric cancer (GC) shows a higher DNA methylation epigenotype. EBV infection can causally induce genome-wide aberrant DNA methylation, as previously demonstrated by in vitro infection experiments in the low-methylation GC cell line MKN7. However, whether EBV exerts DNA methylation remodelling properties in non-neoplastic epithelial cells remains unclear. We here performed post-infection time-series DNA methylation analyses using the immortalised normal gastric epithelial cell line, GES1...
April 18, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28415594/interaction-of-epstein-barr-virus-genes-with-human-gastric-carcinoma-transcriptome
#9
Ruiyuan Zhang, Michael J Strong, Melody Baddoo, Zhen Lin, Yu-Ping Wang, Erik K Flemington, Yao-Zhong Liu
Gastric carcinoma (GC) is a leading cause of mortality. 10% of GC cases are related with EBV (Epstein-Barr virus) infection. The detailed mechanistic roles EBV genes play and especially the interaction between the viral genes and human genes in GC remain unclear. In this study, raw fastq data from 285 GC samples were downloaded from TCGA (The Cancer Genome Atlas), including 25 EBV positive (EBV+) GC samples and 260 EBV negative (EBV-) GC samples. RNA-seq based expression data were generated for both human genes (among all the samples) and for the EBV genes (among the 25 EBV+ samples)...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28413147/branchial-cleft-cyst-an-unusual-site-for-the-cervical-metastasis-of-nasopharyngeal-carcinoma
#10
Yu-Chang Liao, Mohamad Adel, Li-Yu Lee, Kai-Ping Chang
OBJECTIVE: Cancers found in the resected branchial cleft cyst are rare clinically but usually impose substantive diagnostic and treatment challenges for clinicians. METHODS: A 31-year-old man presented with a lateral neck mass that was suspected to be an inflammatory branchial cleft cyst. After excision, the pathologic specimen revealed a benign cystic appearance with a focus of undifferentiated carcinoma. Serologic tests for Epstein-Barr virus were negative. A positron emission tomography scan and upper aerodigestive tract endoscopies were negative for any other suspicious lesion...
April 13, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28412752/clinicopathologic-implications-of-immune-classification-by-pd-l1-expression-and-cd8-positive-tumor-infiltrating-lymphocytes-in-stage-ii-and-iii-gastric-cancer-patients
#11
Jiwon Koh, Chan-Young Ock, Jin Won Kim, Soo Kyung Nam, Yoonjin Kwak, Sumi Yun, Sang-Hoon Ahn, Do Joong Park, Hyung-Ho Kim, Woo Ho Kim, Hye Seung Lee
We co-assessed PD-L1 expression and CD8+ tumor-infiltrating lymphocytes in gastric cancer (GC), and categorized into 4 microenvironment immune types. Immunohistochemistry (PD-L1, CD8, Foxp3, E-cadherin, and p53), PD-L1 mRNA in situ hybridization (ISH), microsatellite instability (MSI), and EBV ISH were performed in 392 stage II/III GCs treated with curative surgery and fluoropyrimidine-based adjuvant chemotherapy, and two public genome databases were analyzed for validation. PD-L1+ was found in 98/392 GCs (25...
February 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28408983/recent-advances-in-understanding-epstein-barr-virus
#12
REVIEW
Brent A Stanfield, Micah A Luftig
Epstein-Barr virus (EBV) is a common human herpes virus known to infect the majority of the world population. Infection with EBV is often asymptomatic but can manifest in a range of pathologies from infectious mononucleosis to severe cancers of epithelial and lymphocytic origin. Indeed, in the past decade, EBV has been linked to nearly 10% of all gastric cancers. Furthermore, recent advances in high-throughput next-generation sequencing and the development of humanized mice, which effectively model EBV pathogenesis, have led to a wealth of knowledge pertaining to strain variation and host-pathogen interaction...
2017: F1000Research
https://www.readbyqxmd.com/read/28403538/human-papillomavirus-epstein-barr-virus-and-methylation-status-of-p16-ink4a-in-penile-cancer
#13
L A Afonso, F N Carestiato, A A Ornellas, P Ornellas, W M Rocha, T I Cordeiro, D C Lisboa, G Alves, Smb Cavalcanti
Little is known about penile carcinogenesis. The aim of this study was to evaluate the prevalence of HPV and EBV, and the methylation status of p16(ink4a) in penile cancer samples, and to contribute to the understanding of the mechanisms responsible for penile cancer development. HPV DNA was detected in 63.6% of 122 cases, with HPV16 being the most prevalent type. EBV DNA was detected in 47.7%, with EBV-1 being the most prevalent type. HPV/EBV co-infections were found in 27.3% of the cases. Hypermethylation in p16(ink4a) was detected in 64...
April 12, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28382143/albumin-to-alkaline-phosphatase-ratio-a-novel-prognostic-index-of-overall-survival-in-cisplatin-based-chemotherapy-treated-patients-with-metastatic-nasopharyngeal-carcinoma
#14
Man Nie, Peng Sun, Cui Chen, Xiwen Bi, Yu Wang, Hang Yang, Panpan Liu, Zhiming Li, Yi Xia, Wenqi Jiang
The Albumin-to-Alkaline Phosphatase Ratio (AAPR) has been recently revealed as a prognostic index for hepatocellular carcinoma, whereas its role in metastatic nasopharyngeal cancer (NPC) remains unclear. The aim of this study was to evaluate the clinical value of AAPR in patients with metastatic NPC. We retrospectively reviewed 209 metastatic NPC patients treated with cisplatin-based regimens. Survival data were calculated using the Kaplan-Meier method and were compared using the log-rank test. Univariate and multivariate survival analyses were conducted using the Cox proportional hazards regression methodology...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28376165/current-state-of-pcr-based-epstein-barr-virus-dna-testing-for-nasopharyngeal-cancer
#15
Kelly Y Kim, Quynh-Thu Le, Sue S Yom, Benjamin A Pinsky, Scott V Bratman, Raymond H W Ng, Haja S El Mubarak, K C Allen Chan, Miriam Sander, Barbara A Conley
Clinical studies have shown plasma Epstein-Barr virus (EBV) DNA level to be an independent prognostic biomarker for nasopharyngeal carcinoma (NPC). However, the proportion of NPC patients whose tumors are associated with EBV vary with geographic location, and there are a variety of assays for plasma EBV. To develop the level of evidence needed to demonstrate the clinical utility of plasma EBV DNA detection for NPC patients and encourage widespread adoption of this biomarker test in clinical laboratories, validated harmonized assays are needed...
April 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28350509/epstein-barr-virus-and-its-association-with-fascin-expression-in-colorectal-cancers-in-the-syrian-population-a-tissue-microarray-study
#16
Noor Al-Antary, Hanan Farghaly, Tahar Aboulkassim, Amber Yasmeen, Nizar Akil, Ala-Eddin Al Moustafa
Colorectal cancer (CRC) is the third most common malignancy in both men and women worldwide. Colorectal carcinogenesis is a complex, multistep process involving environmental and lifestyle features as well as sequential genetic changes in addition to bacterial and viral infections. Viral infection has a proven role in the incidence of approximately 20% of human cancers including gastric malignancies. Accordingly, Epstein-Barr virus (EBV) has been recently shown to be present in human gastric cancers, which could play an important role in the initiation and progression of these cancers...
March 28, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28345327/frequency-of-epstein-barr-virus-type-1-among-nasopharyngeal-carcinomas-in-iranian-patients
#17
Toran Shahani, Manoochehr Makvandi, Alireza Samarbafzadeh, Ali Teimoori, Nastran Ranjbar, Nader saki, Soheila Nikakhlagh, Niloofar Neisi, Zeinab Hosseini, Samira Pourrezaei, Abdolnabi Shabani, Hashem Radmehr, Hamide Mehravaran, Hadis Kiani, Azadeh Haghi
Background: Around 95% of the world’s population are infected with the Epstein-Barr virus (EBV), which can persist latent in B lymphocytes and epithelial cells life-long. EBV has been linked with lymphoid and epithelial cancers and persistence of EBV infection in lymphoid or epithelial cells may result in virus-associated B-cell tumors or nasopharyngeal carcinomas (NPC). This study was conducted to determine the frequency of EBV DNA in nasopharyngeal carcinoma tissue of Iranian patients. Materials and methods: A total of 50 blocks of formalin-fixed paraffin-embedded tissue of NPCs from 38 (76 %) male and 12 (24%) female patients were collected from archives of Ahvaz hospitals...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28344888/pre-emptive-and-therapeutic-adoptive-immunotherapy-for-nasopharyngeal-carcinoma-phenotype-and-effector-function-of-t-cells-impact-on-clinical-response
#18
Corey Smith, Victor Lee, Andrea Schuessler, Leone Beagley, Sweera Rehan, Janice Tsang, Vivian Li, Randal Tiu, David Smith, Michelle A Neller, Katherine K Matthews, Emma Gostick, David A Price, Jacqueline Burrows, Glen M Boyle, Daniel Chua, Benedict Panizza, Sandro V Porceddu, John Nicholls, Dora Kwong, Rajiv Khanna
Adoptive T cell therapy has emerged as a powerful strategy to treat human cancers especially haematological malignancies. Extension of these therapies to solid cancers remains a significant challenge especially in the context of defining immunological correlates of clinical responses. Here we describe results from a clinical study investigating autologous Epstein-Barr virus (EBV)-specific T cells generated using a novel AdE1-LMPpoly vector to treat patients with nasopharyngeal carcinoma (NPC) either pre-emptively in at-risk patients with no or minimal residual disease (N/MRD) or therapeutically in patients with active recurrent/metastatic disease (ARMD)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28339079/a-p110%C3%AE-specific-inhibitor-combined-with-bortezomib-blocks-drug-resistance-properties-of-ebv-related-b-cell-origin-cancer-cells-via-regulation-of-nf-%C3%AE%C2%BAb
#19
Ga Bin Park, Yoon Hee Chung, Jee-Yeong Jeong, Daejin Kim
Epstein-Barr virus (EBV) infection is closely related to carcinogenesis of various cancers, and is also associated with the development of drug resistance in cancer stem cells. However, in EBV-positive cancer cells, the mechanistic details of the downstream signaling and the connection of PI3K with the NF-κB pathway for development of drug resistance remain controversial. Diffuse large B-cell lymphoma (DLBCL) and multiple myeloma (MM) cells infected by EBV display drug resistance-related proteins (MDR1, MRP1 and MRP2) and stem cell markers (OCT4 and SOX2)...
May 2017: International Journal of Oncology
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
#20
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
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