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https://www.readbyqxmd.com/read/28723664/detecting-the-genetic-link-between-alzheimer-s-disease-and-obesity-using-bioinformatics-analysis-of-gwas-data
#1
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
#2
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
#3
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
#4
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...
June 12, 2017: Cancer Science
https://www.readbyqxmd.com/read/28592786/epstein-barr-virus-associated-lymphoproliferative-disorders-review-and-update-on-2016-who-classification
#5
Hyun-Jung Kim, Young Hyeh Ko, Ji Eun Kim, Seung-Sook Lee, Hyekyung Lee, Gyeongsin Park, Jin Ho Paik, Hee Jeong Cha, Yoo-Duk Choi, Jae Ho Han, Jooryung Huh
Epstein-Barr virus (human herpesvirus-4) is very common virus that can be detected in more than 95% of the human population. Most people are asymptomatic and live their entire lives in a chronically infected state (IgG positive). However, in some populations, the Epstein-Barr virus (EBV) has been involved in the occurrence of a wide range of B-cell lymphoproliferative disorders (LPDs), including Burkitt lymphoma, classic Hodgkin's lymphoma, and immune-deficiency associated LPDs (post-transplant and human immunodeficiency virus-associated LPDs)...
June 5, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28570869/the-effect-of-adding-neoadjuvant-chemotherapy-to-concurrent-chemoradiotherapy-in-patients-with-locoregionally-advanced-nasopharyngeal-carcinoma-and-undetectable-pretreatment-epstein-barr-virus-dna
#6
Ya-Nan Jin, Ji-Jin Yao, Si-Yang Wang, Wang-Jian Zhang, Fan Zhang, Guan-Qun Zhou, Zhi-Bin Cheng, Hao-Yuan Mo, Ying Sun
PURPOSE: To assess the effect of adding neoadjuvant chemotherapy (NACT) to concurrent chemoradiotherapy (CCRT) in patients with locoregionally advanced nasopharyngeal carcinoma (NPC) and undetectable pretreatment Epstein-Barr virus (pEBV) DNA. MATERIALS AND METHODS: We enrolled 639 NPC patients with stage II to IVB and undetectable pEBV DNA to receive CCRT with or without NACT. Radiotherapy was 2.0 to 2.27 Gy per fraction with five daily fractions per week for 6 to 7 weeks to the primary tumor and 62 to 70 Gy to the involved neck area...
May 29, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28552541/primary-central-nervous-system-diffuse-large-b-cell-lymphoma-shows-an-activated-b-cell-like-phenotype-with-co-expression-of-c-myc-bcl-2-and-bcl-6
#7
Xiaomei Li, Ying Huang, Chengfeng Bi, Ji Yuan, Hong He, Hong Zhang, QiuBo Yu, Kai Fu, Dan Li
Diffuse large B-cell lymphoma (DLBCL) is the most common non-Hodgkin lymphoma, whose main prognostic factor is closely related to germinal center B-cell-like subtype (GCB- DLBCL) or activated B-cell-like type (non-GCB-DLBCL). The most common type of primary central nervous system lymphoma is diffuse large B-cell type with poor prognosis and the reason is unclear. This study aims to stratify primary central nervous system diffuse large B-cell lymphoma (PCNS-DLBCL) according to the cell-of-origin (COO) and to investigate the multiple proteins expression of C-MYC, BCL-6, BCL-2, TP53, further to elucidate the reason why primary central nervous system diffuse large B-cell lymphoma possesses a poor clinical outcome as well...
June 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28548121/ebv-negative-aggressive-nk-cell-leukemia-lymphoma-a-clinical-and-pathological-study-from-a-single-institution
#8
Juehua Gao, Amir Behdad, Peng Ji, Kristy L Wolniak, Olga Frankfurt, Yi-Hua Chen
Aggressive natural killer (NK)-cell leukemia/lymphoma is a systemic NK-cell neoplasm that preferentially affects Asians with a fulminant clinical course and is almost always associated with Epstein-Barr virus (EBV). The data on EBV-negative aggressive NK-cell leukemia/lymphoma are limited. Here we report a series of three patients (two Caucasians, one African-American) with EBV-negative aggressive NK-cell leukemia/lymphoma from a single institution, including a case diagnosed on post-mortem examination. Similar to EBV-positive aggressive NK-cell leukemia/lymphoma, our patients presented with constitutional symptoms and hepatosplenomegaly, and followed a highly aggressive clinical course...
May 26, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28538730/blocking-fsh-induces-thermogenic-adipose-tissue-and-reduces-body-fat
#9
Peng Liu, Yaoting Ji, Tony Yuen, Elizabeth Rendina-Ruedy, Victoria E DeMambro, Samarth Dhawan, Wahid Abu-Amer, Sudeh Izadmehr, Bin Zhou, Andrew C Shin, Rauf Latif, Priyanthan Thangeswaran, Animesh Gupta, Jianhua Li, Valeria Shnayder, Samuel T Robinson, Yue Eric Yu, Xingjian Zhang, Feiran Yang, Ping Lu, Yu Zhou, Ling-Ling Zhu, Douglas J Oberlin, Terry F Davies, Michaela R Reagan, Aaron Brown, T Rajendra Kumar, Solomon Epstein, Jameel Iqbal, Narayan G Avadhani, Maria I New, Henrik Molina, Jan B van Klinken, Edward X Guo, Christoph Buettner, Shozeb Haider, Zhuan Bian, Li Sun, Clifford J Rosen, Mone Zaidi
Menopause is associated with bone loss and enhanced visceral adiposity. A polyclonal antibody that targets the β-subunit of the pituitary hormone follicle-stimulating hormone (Fsh) increases bone mass in mice. Here, we report that this antibody sharply reduces adipose tissue in wild-type mice, phenocopying genetic haploinsufficiency for the Fsh receptor gene Fshr. The antibody also causes profound beiging, increases cellular mitochondrial density, activates brown adipose tissue and enhances thermogenesis. These actions result from the specific binding of the antibody to the β-subunit of Fsh to block its action...
June 1, 2017: Nature
https://www.readbyqxmd.com/read/28529609/is-pretreatment-epstein-barr-virus-dna-still-associated-with-6-year-survival-outcomes-in-locoregionally-advanced-nasopharyngeal-carcinoma
#10
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/28474639/primary-cutaneous-extranodal-natural-killer-t-cell-lymphoma-presenting-as-bilateral-erythematous-patches-on-the-arms
#11
Ik Jun Moon, Hyun Ji Kang, Mi Woo Lee, Woo Jin Lee
Natural killer/T-cell lymphoma is a rare, Epstein-Barr virus-associated type of cytotoxic lymphoma thatpresents mainly in the nasal cavity and its vicinity. Very few cases of primary cutaneous extranodal natural killer/T-cell lymphoma have been reported till date. All the previously reported cases of primary cutaneous extranodalnatural killer/T-cell lymphoma presented as lesions resembling cellulitis, subcutaneous nodules or ulcers. We report a rare case which presented as erythematous and purpuric round patches on the arms and was finally diagnosed as primary cutaneous extranodalnatural killer/T-cell lymphoma, following a skin biopsy...
July 2017: Indian Journal of Dermatology, Venereology and Leprology
https://www.readbyqxmd.com/read/28416105/do-clear-cell-papillary-renal-cell-carcinomas-have-malignant-potential-diolombi-ml-cheng-l-argani-p-epstein-ji-am-j-surg-pathol-december-2015-39-12-1621-1634
#12
Oleksandr N Kryvenko
There have been no recurrences or metastases of clear cell papillary renal cell carcinoma (CCPRCC) in 268 reported cases with follow-up in the English-language literature. We identified all our cases of CCPRCC (1990-2013), reviewing all cases that preceded the formal designation of the entity. Immunohistochemical stains were performed on 32 cases during their initial workup. In addition, stains for carbonic anhydrase IX and cytokeratin 7 were performed on 2 cases, one with atypical follow-up and the other with a more compact morphology, although not performed initially...
June 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28363476/frozen-section-during-partial-nephrectomy-does-it-predict-positive-margins-gordetsky-j-gorin-ma-canner-j-ball-mw-pierorazio-pm-allaf-me-epstein-ji-bju-int-2015-dec-116-6-868-72-epub-2015-mar-23-doi-10-1111-bju-13011
#13
Max Meng
OBJECTIVE: To investigate the clinical utility of frozen section (FS) analysis performed during partial nephrectomy (PN) and its influence on intra-operative management. PATIENTS AND METHODS: We performed a retrospective analysis of consecutive PN cases from 2010 to 2013. We evaluated the concordance between the intra-operative FS diagnosis and the FS control diagnosis, a postoperative quality assurance measure performed on all FS diagnoses after formalin fixation of the tissue...
May 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28219002/molecular-testing-for-gastrointestinal-cancer
#14
REVIEW
Hye Seung Lee, Woo Ho Kim, Yoonjin Kwak, Jiwon Koh, Jeong Mo Bae, Kyoung-Mee Kim, Mee Soo Chang, Hye Seung Han, Joon Mee Kim, Hwal Woong Kim, Hee Kyung Chang, Young Hee Choi, Ji Y Park, Mi Jin Gu, Min Jin Lhee, Jung Yeon Kim, Hee Sung Kim, Mee-Yon Cho
With recent advances in molecular diagnostic methods and targeted cancer therapies, several molecular tests have been recommended for gastric cancer (GC) and colorectal cancer (CRC). Microsatellite instability analysis of gastrointestinal cancers is performed to screen for Lynch syndrome, predict favorable prognosis, and screen patients for immunotherapy. The epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor has been approved in metastatic CRCs with wildtype RAS (KRAS and NRAS exon 2-4). A BRAF mutation is required for predicting poor prognosis...
March 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28205059/clinical-application-of-early-gastric-carcinoma-with-lymphoid-stroma-based-on-lymph-node-metastasis-status
#15
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/28180998/the-prognostic-value-and-pathobiological-significance-of-glasgow-microenvironment-score-in-gastric-cancer
#16
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...
May 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28159497/intermediate-and-longer-term-outcomes-from-a-prospective-active-surveillance-program-for-favorable-risk-prostate-cancer-tosoian-jj-mamawala-m-epstein-ji-landis-p-wolf-s-trock-bj-carter-hb-j-clin-oncol-2015-oct-20-33-30-3379-85-epub-2015-aug-31-doi-10-1200-jco
#17
Eggener Scott, M Mamawala, J I Epstein, P Landis, S Wolf, Trock, H B Carter
PURPOSE: To assess long-term outcomes of men with favorable-risk prostate cancer in a prospective, active surveillance program. METHODS: Curative intervention was recommended for disease reclassification to higher cancer grade or volume on prostate biopsy. Primary outcomes were overall, cancer-specific, and metastasis-free survival. Secondary outcomes were the cumulative incidence of reclassification and curative intervention. Factors associated with grade reclassification and curative intervention were evaluated in a Cox proportional hazards model...
March 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28029001/performance-of-the-real-q-ebv-quantification-kit-for-epstein-barr-virus-dna-quantification-in-whole-blood
#18
Hee Jae Huh, Jong Eun Park, Ji Youn Kim, Sun Ae Yun, Myoung Keun Lee, Nam Yong Lee, Jong Won Kim, Chang Seok Ki
There has been increasing interest in standardized and quantitative Epstein-Barr virus (EBV) DNA testing for the management of EBV disease. We evaluated the performance of the Real-Q EBV Quantification Kit (BioSewoom, Korea) in whole blood (WB). Nucleic acid extraction and real-time PCR were performed by using the MagNA Pure 96 (Roche Diagnostics, Germany) and 7500 Fast real-time PCR system (Applied Biosystems, USA), respectively. Assay sensitivity, linearity, and conversion factor were determined by using the World Health Organization international standard diluted in EBV-negative WB...
March 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28028999/automated-nucleic-acid-extraction-systems-for-detecting-cytomegalovirus-and-epstein-barr-virus-using-real-time-pcr-a-comparison-study-between-the-qiasymphony-rgq-and-qiacube-systems
#19
COMPARATIVE STUDY
Hanah Kim, Mina Hur, Ji Young Kim, Hee Won Moon, Yeo Min Yun, Hyun Chan Cho
BACKGROUND: Cytomegalovirus (CMV) and Epstein-Barr virus (EBV) are increasingly important in immunocompromised patients. Nucleic acid extraction methods could affect the results of viral nucleic acid amplification tests. We compared two automated nucleic acid extraction systems for detecting CMV and EBV using real-time PCR assays. METHODS: One hundred and fifty-three whole blood (WB) samples were tested for CMV detection, and 117 WB samples were tested for EBV detection...
March 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28018450/acute-gastritis-associated-with-epstein-barr-virus-infection-in-a-child
#20
Ji Mok Kim, Chun Woo Song, Kyu Sang Song, Jae Young Kim
Infectious mononucleosis is Epstein-Barr virus (EBV) inducing a self-limiting clinical syndrome characterized by fever, sore throat, hepatosplenomegaly, and generalized lymphadenopathy. Gastrointestinal symptoms of EBV infection are nonspecific and occur rarely. EBV inducing acute gastrointestinal pathology is poorly recognized without suspicion. Careful consideration is needed to diagnose gastric involvement of EBV infection including gastric lymphoma, gastric cancer, and gastritis. A few recent cases of gastritis associated with EBV infection have been reported in adolescents and adults...
November 2016: Korean Journal of Pediatrics
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