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https://www.readbyqxmd.com/read/29574937/serologic-markers-of-viral-infection-and-risk-of-non-hodgkin-lymphoma-a-pooled-study-of-three-prospective-cohorts-in-china-and-singapore
#1
Bryan A Bassig, Martina Willhauck-Fleckenstein, Xiao-Ou Shu, Woon-Puay Koh, Yu-Tang Gao, Mark P Purdue, Yong-Bing Xiang, Jennifer Adams-Haduch, Renwei Wang, Nicole Brenner, Tim Waterboer, Angelika Michel, Bu-Tian Ji, H Dean Hosgood, Charles S Rabkin, Gong Yang, Jason Y Y Wong, Jinming Zhang, Wei Hu, Wei Jie Seow, Wong-Ho Chow, Michael Pawlita, Wei Zheng, Jian-Min Yuan, Qing Lan, Nathaniel Rothman
Incidence rates of non-Hodgkin lymphoma (NHL) and distributions of certain viruses differ between East Asian and Western populations. There are limited data on associations between serologic markers of multiple viral infections in pre-diagnostic blood and NHL risk in East Asians. We conducted a nested case-control study of 214 NHL cases and 214 matched controls from three population-based prospective cohorts in Shanghai and Singapore. Antibodies against antigens from herpesviruses, Hepatitis B (HBV) and C (HCV) virus, and polyomaviruses were measured in plasma or serum using fluorescent bead-based multiplex assays...
March 25, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29479857/establishment-and-validation-of-a-two-step-screening-scheme-for-improved-performance-of-serological-screening-of-nasopharyngeal-carcinoma
#2
Tingdong Li, Xiaoyi Guo, Mingfang Ji, Fugui Li, Han Wang, Weimin Cheng, Honglin Chen, Munhon Ng, Shengxiang Ge, Yong Yuan, Ningshao Xia
Nasopharyngeal carcinoma (NPC), which is closely associated with Epstein-Barr virus (EBV), is one of the most prevalent cancers in southeast China. Most NPC patients are diagnosed at late stage due to inconspicuous symptoms at the early stage, and the prognosis of these patients is poor. The early diagnosis rate of NPC could be significantly increased by serological screening, but the positive predictive value (PPV) is relatively low. A simple two-step serological screening scheme was established to improve the PPV of the screening strategy and was validated by a prospective cohort...
February 25, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29360818/a-novel-epstein-barr-virus-latent-membrane-protein-1-specific-t-cell-receptor-for-tcr-gene-therapy
#3
Hyun-Il Cho, Un-Hee Kim, A-Ri Shin, Ji-Na Won, Hyun-Joo Lee, Hyun-Jung Sohn, Tai-Gyu Kim
BACKGROUND: Adoptive transfer of genetically engineered T-cells to express antigen-specific T-cell receptor (TCR) is a feasible and effective therapeutic approach for numerous types of cancers, including Epstein-Barr virus (EBV)-associated malignancies. Here, we describe a TCR gene transfer regimen to rapidly and reliably generate T-cells specific to EBV-encoded latent membrane protein-1 (LMP1), which is a potential target for T-cell-based immunotherapy. METHODS: A novel TCR specific to LMP1 (LMP1-TCR) was isolated from HLA-A*0201 transgenic mice that were immunised with the minimal epitope LMP1166 (TLLVDLLWL), and LMP1-TCR-transduced peripheral blood lymphocytes were evaluated for functional specificities...
February 20, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29284539/prognostic-values-of-the-integrated-model-incorporating-the-volume-of-metastatic-regional-cervical-lymph-node-and-pretreatment-serum-epstein-barr-virus-dna-copy-number-in-predicting-distant-metastasis-in-patients-with-n1-nasopharyngeal-carcinoma
#4
Ji-Jin Yao, Guan-Qun Zhou, Ya-Qin Wang, Si-Yang Wang, Wang-Jian Zhang, Ya-Nan Jin, Fan Zhang, Li Li, Li-Zhi Liu, Zhi-Bin Cheng, Jun Ma, Zhen-Yu Qi, Ying Sun
BACKGROUND: According to the 7th edition of the American Joint Committee on Cancer (AJCC) staging system, over 50% of patients with nasopharyngeal carcinoma (NPC) have N1 disease at initial diagnosis. However, patients with N1 NPC are relatively under-researched, and the metastasis risk of this group is not well-stratified. This study aimed to evaluate the prognostic values of gross tumor volume of metastatic regional lymph node (GTVnd) and pretreatment serum copy number of Epstein-Barr virus (EBV) DNA in predicting distant metastasis of patients with N1 NPC, and to develop an integrated prognostic model that incorporates GTVnd and EBV DNA copy number for this group of patients...
December 29, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/29207615/-pik3ca-mutations-are-associated-with-increased-tumor-aggressiveness-and-akt-activation-in-gastric-cancer
#5
Ji-Won Kim, Hye Seung Lee, Kyung Han Nam, Soyeon Ahn, Jin Won Kim, Sang-Hoon Ahn, Do Joong Park, Hyung-Ho Kim, Keun-Wook Lee
PIK3CA mutations are frequent in gastric cancer. However, their pathological and clinical implications are still unclear. We analyzed the clinicopathological characteristics according to the PIK3CA mutation status of patients with stage IB-IV disease who underwent gastrectomy between May 2003 and Dec. 2005 (cohort 1; n = 302) and of those with stage IV disease who received gastrectomy between Jul. 2006 and Dec. 2012 (cohort 2; n = 120). PIK3CA mutations were detected in 40 patients (13.2%) in cohort 1. In these patients, PIK3CA -mutant tumors were more frequently located in the upper third of the stomach ( p = 0...
October 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/29190917/pretreatment-epstein-barr-virus-dna-in-whole-blood-is-a-prognostic-marker-in-peripheral-t-cell-lymphoma
#6
Yu Ri Kim, Soo-Jeong Kim, June-Won Cheong, Haerim Chung, Ji Eun Jang, Yundeok Kim, Woo-Ick Yang, Yoo Hong Min, Jin Seok Kim
Because there are few studies regarding the clinical impact of circulating EBV-DNA in peripheral T-cell lymphomas (PTCLs), we tried to evaluate the role of EBV-DNA in whole blood as a prognostic factor for PTCL. We retrospectively reviewed 110 PTCL patients with median age of 63 (20-94) years. Forty-seven patients (42.7%) showed positive results for EBV-DNA, and these patients also had stage III/IV disease, elevated lactic dehydrogenase, and low albumin level ( P = 0.007, P = 0.004, P = 0.002, respectively)...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29147610/host-immune-response-index-in-gastric-cancer-identified-by-comprehensive-analyses-of-tumor-immunity
#7
Charny Park, Junhun Cho, Jeeyun Lee, So Young Kang, Ji Yeong An, Min Gew Choi, Jun Ho Lee, Tae Sung Sohn, Jae Moon Bae, Sung Kim, Seung Tae Kim, Se Hoon Park, Joon Oh Park, Won Ki Kang, Insuk Sohn, Sin Ho Jung, Myung-Soo Kang, Kyoung-Mee Kim
Tumor infiltrating lymphocytes (TIL) in Epstein-Barr virus (EBV)-associated/microsatellite-unstable (MSI) gastric carcinomas (GC) constitute immune-active principal cellular components of tumor microenvironment and contribute to better prognosis. With the remarkable success of cancer immunotherapies, there is an urgent need for a comprehensive understanding of tumor-immune interactions in patients with GC in the context of host immune response. To identify GC subtype-specific immune response gene set, we tested differentially expressed genes for MSI and EBV+ GC subtypes in randomly selected test set (n = 278) in merged ACRG-SMC microarray and TCGA RNA sequencing data set...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29137273/programmed-death-ligand-1-and-met-co-expression-is-a-poor-prognostic-factor-in-gastric-cancers-after-resection
#8
Mi Jung Kwon, Kab-Choong Kim, Eun Sook Nam, Seong Jin Cho, Hye-Rim Park, Soo Kee Min, Jinwon Seo, Ji-Young Choe, Hye Kyung Lee, Ho Suk Kang, Kyueng-Whan Min
Programmed death-ligand 1 (PD-L1) plays an essential protein for immune evasion, contributing to tumor development and progression. Recent studies have reported MET as an upregulator for PD-L1 overexpression through an oncogenic pathway. However, an association between PD-L1 expression with MET has not been reported in gastric cancer.The prognostic significance of PD-L1 and its association with Epstein-Barr virus (EBV), microsatellite instability (MSI), and mucin phenotype remain controversial. We performed in situ hybridization for EBV-encoded RNA and immunohistochemistry in tissue microarrays for 394 gastric cancers...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29075063/protective-effect-of-rituximab-in-chronic-graft-versus-host-disease-occurrence-in-allogeneic-transplant-patients-with-epstein-barr-virus-viremia
#9
Shi-Meng Ji, Xie-Bing Bao, Jun Lu, Xiao Ma, Tao Tao, Ai-Ning Sun, De-Pei Wu, Sheng-Li Xue
B cells are involved in chronic graft-versus-host disease (cGVHD) pathogenesis, and Rituximab may have a therapeutic effect on cGVHD in allogeneic hematopoietic stem cell transplantation (allo-HSCT) patients. Herein, we retrospectively evaluated the prophylactic effect of Rituximab on cGVHD in a group of Chinese allo-HSCT patients. A total of 102 patients, who suffered Epstein Barr virus (EBV) viremia within 100 days after allo-HSCT, were included in this study. Fifty patients received Rituximab (375 mg/m2 weekly) for EBV viremia, while fifty-two patients did not receive Rituximab...
December 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29061308/ebv-encoded-ebna1-regulates-cell-viability-by-modulating-mir34a-nox2-ros-signaling-in-gastric-cancer-cells
#10
Seung-Mi Kim, Dae Young Hur, Seung-Woo Hong, Ji Hyun Kim
Epstein-Barr virus (EBV) nuclear antigen 1 (EBNA1) is a viral protein expressed in all EBV-infected cells that induces malignant transformation. EBNA1 is reported to contribute to tumor progression through an increase in reactive oxygen species via nicotinamide adenine dinucleotide phosphate oxidase. However, the underlying molecular mechanism of EBNA1-induced ROS accumulation in gastric cancer is poorly understood. Here, we demonstrated that miR34a regulation by EBNA1 determined cell fate in EBV-infected gastric cancer cells...
December 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28966520/epstein-barr-virus-associated-vesiculopapular-eruption-on-the-face-of-a-patient-with-natural-killer-t-cell-lymphoma
#11
Ji Soo Lim, Tae Min Kim, Kwang Hyun Cho
Unlike typical hydroa vacciniforme (HV), Epstein-Barr virus (EBV)-associated HV-like eruption is more variable in its clinical manifestations. In some patients, progression to lymphoma or leukemia has been reported, which are characterized by the T-cell immunophenotype. Here, we report the first Korean case of EBV-associated vesiculopapular eruption on the face of a patient with natural killer (NK)/T cell lymphoma. A 32-year-old Korean man presented with a late adolescent-onset recurrent necrotic papulovesicles on his face...
October 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28915562/detecting-the-genetic-link-between-alzheimer-s-disease-and-obesity-using-bioinformatics-analysis-of-gwas-data
#12
Qi-Shuai Zhuang, Hao Zheng, Xiao-Dan Gu, Liang Shen, Hong-Fang Ji
Alzheimer's disease (AD) represents the major form of dementia in the elderly. In recent years, accumulating evidence indicate that obesity may act as a risk factor for AD, while the genetic link between the two conditions remains unclear. This bioinformatics analysis aimed to detect the genetic link between AD and obesity on single nucleotide polymorphisms (SNPs), gene, and pathway levels based on genome-wide association studies data. A total of 31 SNPs were found to be shared by AD and obesity, which were linked to 7 genes...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28892414/efficacy-of-recombinant-adenovirus-expressing-a-fusion-gene-from-gm-csf-and-epstein-barr-virus-lmp2a-in-a-mouse-tumor-model
#13
Qingjie Xue, Xiuzhen Li, Chunqing Yang, Bingyuan Ji, Yunqing Li, Yingchun Yan, Xinxin Yang, Chunmei Wang, Ting Chen
In this study, purified GM-CSF and LMP2A mRNAs were amplified by PCR. Then, the GM-CSF and LMP2A sequences were connected by the polypeptide linker (Gly4Ser)3 using gene splicing by overlap extension. The constructed fusion gene GC2A was inserted into the adenovirus vector. Then the recombinant vector was introduced into HEK 293T cells by calcium phosphate transfection to package the adenovirus. The levels of antibodies against the GM-CSF and LMP2Afusion proteins were measured by ELISA, and the CTL activity of the mouse splenic lymphocytes was determined by lactate dehydrogenase (LDH) release assay...
October 3, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28876460/viral-etiology-of-sporadic-cases-of-parotitis-among-children-in-korea-during-2013-2014
#14
Hae J Kang, Sun H Kim, Jae K Chung, Soon W Lee, Seung B Choi, Hye E Eom, Ok Park, Kisoon Kim, Sung S Kim
Recent years have seen a high incidence of mumps, which is generally diagnosed based on clinical features, especially parotitis, without laboratory confirmation in Korea. To better understand the epidemiology of mumps in Korean children, we investigated sporadic suspected mumps cases with parotitis. In total, 237 buccal swabs or throat swabs collected from children with parotitis who had been clinically diagnosed with mumps were tested using real-time PCR for the detection of six viruses (Epstein-Barr virus, Human herpesvirus 6, Mumps virus, Human parainfluenza virus-1, -2, -3, Human adenovirus, Human bocavirus)...
September 6, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28790853/a-systematic-comparison-of-treatment-modalities-for-nasal-extranodal-natural-killer-t-cell-lymphoma-in-early-stages-between-concurrent-chemoradiotherapy-and-sequential-chemotherapy
#15
Ming Qian, Hengmin Tao, Wei Xu, Hongzhi Ji
AIM: Nasal extranodal natural killer/T-cell lymphoma (nasal ENKTL), which is strongly associated with the Epstein-Barr virus infection, is a common disease in Asia and Latin America. We conducted a retrospective study to compare the overall survival (OS) following concurrent or sequential treatment with radiotherapy and chemotherapy in patients with early stage ENKTL. PATIENTS AND METHODS: The records of 58 cases from between 2000 to 2010 were retrieved. Of these, 28 patients (15 males, with median age of 51 years) were treated with sequential chemotherapy followed by radiotherapy (SCRT) and 30 patients (17 males, with median age of 46 years) were treated with concurrent chemoradiotherapy (CCRT)...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28768236/programmed-death-ligand-1-and-met-co-expression-is-a-poor-prognostic-factor-in-gastric-cancers-after-resection
#16
Mi Jung Kwon, Kab-Choong Kim, Eun Sook Nam, Seong Jin Cho, Hye-Rim Park, Soo Kee Min, Jinwon Seo, Ji-Young Choe, Hye Kyung Lee, Ho Suk Kang, Kyueng-Whan Min
Programmed death-ligand 1 (PD-L1) plays an essential protein for immune evasion, contributing to tumor development and progression. Recent studies have reported MET as an upregulator for PD-L1 overexpression through an oncogenic pathway. However, an association between PD-L1 expression with MET has not been reported in gastric cancer.The prognostic significance of PD-L1 and its association with Epstein-Barr virus (EBV), microsatellite instability (MSI), and mucin phenotype remain controversial.We performed in situ hybridization for EBV-encoded RNA and immunohistochemistry in tissue microarrays for 394 gastric cancers...
July 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28723664/detecting-the-genetic-link-between-alzheimer-s-disease-and-obesity-using-bioinformatics-analysis-of-gwas-data
#17
Qi-Shuai Zhuang, Hao Zheng, Xiao-Dan Gu, Liang Shen, Hong-Fang Ji
Alzheimer's disease (AD) represents the major form of dementia in the elderly. In recent years, accumulating evidence indicate that obesity may act as a risk factor for AD, while the genetic link between the two conditions remains unclear. This bioinformatics analysis aimed to detect the genetic link between AD and obesity on single nucleotide polymorphisms (SNPs), gene, and pathway levels based on genome-wide association studies data. A total of 31 SNPs were found to be shared by AD and obesity, which were linked to 7 genes...
July 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28686870/intestinal-enteroendocrine-lineage-cells-possess-homeostatic-and-injury-inducible-stem-cell-activity
#18
Kelley S Yan, Olivier Gevaert, Grace X Y Zheng, Benedict Anchang, Christopher S Probert, Kathryn A Larkin, Paige S Davies, Zhuan-Fen Cheng, John S Kaddis, Arnold Han, Kelly Roelf, Ruben I Calderon, Esther Cynn, Xiaoyi Hu, Komal Mandleywala, Julie Wilhelmy, Sue M Grimes, David C Corney, Stéphane C Boutet, Jessica M Terry, Phillip Belgrader, Solongo B Ziraldo, Tarjei S Mikkelsen, Fengchao Wang, Richard J von Furstenberg, Nicholas R Smith, Parthasarathy Chandrakesan, Randal May, Mary Ann S Chrissy, Rajan Jain, Christine A Cartwright, Joyce C Niland, Young-Kwon Hong, Jill Carrington, David T Breault, Jonathan Epstein, Courtney W Houchen, John P Lynch, Martin G Martin, Sylvia K Plevritis, Christina Curtis, Hanlee P Ji, Linheng Li, Susan J Henning, Melissa H Wong, Calvin J Kuo
Several cell populations have been reported to possess intestinal stem cell (ISC) activity during homeostasis and injury-induced regeneration. Here, we explored inter-relationships between putative mouse ISC populations by comparative RNA-sequencing (RNA-seq). The transcriptomes of multiple cycling ISC populations closely resembled Lgr5(+) ISCs, the most well-defined ISC pool, but Bmi1-GFP(+) cells were distinct and enriched for enteroendocrine (EE) markers, including Prox1. Prox1-GFP(+) cells exhibited sustained clonogenic growth in vitro, and lineage-tracing of Prox1(+) cells revealed long-lived clones during homeostasis and after radiation-induced injury in vivo...
July 6, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28678761/pik3ca-mutations-are-associated-with-increased-tumor-aggressiveness-and-akt-activation-in-gastric-cancer
#19
Ji-Won Kim, Hye Seung Lee, Kyung Han Nam, Soyeon Ahn, Jin Won Kim, Sang-Hoon Ahn, Do Joong Park, Hyung-Ho Kim, Keun-Wook Lee
PIK3CA mutations are frequent in gastric cancer. However, their pathological and clinical implications are still unclear. We analyzed the clinicopathological characteristics according to the PIK3CA mutation status of patients with stage IB-IV disease who underwent gastrectomy between May 2003 and Dec. 2005 (cohort 1; n = 302) and of those with stage IV disease who received gastrectomy between Jul. 2006 and Dec. 2012 (cohort 2; n = 120). PIK3CA mutations were detected in 40 patients (13.2%) in cohort 1. In these patients, PIK3CA-mutant tumors were more frequently located in the upper third of the stomach (p = 0...
June 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28603915/prognostic-value-of-serum-epstein-barr-virus-antibodies-in-patients-with-nasopharyngeal-carcinoma-and-undetectable-pretreatment-epstein-barr-virus-dna
#20
Ji-Jin Yao, Li Lin, Ya-Nan Jin, Si-Yang Wang, Wang-Jian Zhang, Fan Zhang, Guan-Qun Zhou, Zhi-Bin Cheng, Zhen-Yu Qi, Ying Sun
Epstein-Barr virus (EBV) is closely associated with nasopharyngeal carcinoma (NPC). Serum IgA antibodies against early antigen (EA-IgA) and viral capsid antigen (VCA-IgA) are the most commonly used to screen for NPC in endemic areas. However, the prognostic value of serum EA-IgA and VCA-IgA in patients with NPC is less clear. We hypothesize that serum EA-IgA and VCA-IgA levels have prognostic impact for survival outcomes in NPC patients with undetectable pretreatment EBV (pEBV) DNA. In this series, 334 patients with non-metastatic NPC and undetectable pEBV DNA were included...
August 2017: Cancer Science
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