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https://www.readbyqxmd.com/read/29350173/membranoproliferative-glomerulonephritis-and-interstitial-nephritis-in-the-setting-of-epstein-barr-virus-related-hemophagocytic-syndrome%C3%A2
#1
Iolanda Godinho, Estela Nogueira, Sofia Jorge, António Teixeira Alves, António Gomes da Costa
BACKGROUND: Hemophagocytic syndrome (HPS) is a rare, aggressive disorder characterized by dysregulation of lymphocyte and macrophage activity, which culminates in tissue infiltration with hemophagocytosis and ultimately organ failure. Renal involvement frequently ensues and usually results in acute tubular necrosis with associated interstitial inflammation. Less frequently, glomerulopathy can also be found. CASE: We report a case of a 24-year-old Caucasian woman with previous asymptomatic hematuria, mild proteinuria, and normal renal function who presented to us with fever...
January 19, 2018: Clinical Nephrology
https://www.readbyqxmd.com/read/29345073/improving-accuracy-of-genomic-prediction-in-brangus-cattle-by-adding-animals-with-imputed-low-density-snp-genotypes
#2
F B Lopes, X-L Wu, H Li, J Xu, T Perkins, J Genho, R Ferretti, R G Tait, S Bauck, G J M Rosa
Reliable genomic prediction of breeding values for quantitative traits requires the availability of sufficient number of animals with genotypes and phenotypes in the training set. As of 31 October 2016, there were 3,797 Brangus animals with genotypes and phenotypes. These Brangus animals were genotyped using different commercial SNP chips. Of them, the largest group consisted of 1,535 animals genotyped by the GGP-LDV4 SNP chip. The remaining 2,262 genotypes were imputed to the SNP content of the GGP-LDV4 chip, so that the number of animals available for training the genomic prediction models was more than doubled...
February 2018: Journal of Animal Breeding and Genetics, Zeitschrift Für Tierzüchtung und Züchtungsbiologie
https://www.readbyqxmd.com/read/29344502/orbital-epstein-barr-virus-positive-polymorphic-b-cell-lymphoproliferative-disorder-in-an-apparently-immunocompetent-woman
#3
Michael D Abendroth, Michael G Bayerl, Michael J Wilkinson, David F Claxton, Charles S Specht
We report a rare case of Epstein-Barr virus (EBV)-positive polymorphic B-cell lymphoproliferative disorder (LPD) involving the lacrimal gland of a 28-year-old, apparently immunocompetent woman. She presented with a chief complaint of orbital swelling and tenderness and was found to have a lesion involving the right lacrimal gland and distal superior and lateral rectus muscles. Histology of the lesion revealed histiocytes with pleomorphic nuclei, reactive lymphocytes, and scattered cells that resembled the Reed-Sternberg (R-S) cells of classical Hodgkin lymphoma...
December 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29342998/-x-linked-immunodeficiency-with-magnesium-defect-epstein-barr-virus-infection-and-neoplasia-report-of-a-family-and-literature-review
#4
T Y He, Y Xia, C G Li, C R Li, Z X Qi, J Yang
Objective: To investigate the clinical features and genetic characteristics of cases with X-linked immunodeficiency with magnesium defect, Epstein-Barr virus (EBV) infection, and neoplasia (XMEN). Methods: Characteristics of clinical material, immunological data and gene mutation of two cases with XMEN in the same family in China were retrospectively analyzed. The related reports literature were searched by using search terms'MAGT1 gene'or'XMEN'. Results: The proband, a 2-year-eight-month old boy, was admitted due to 'Urine with deepened color for two days and yellow stained skin for one day'...
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29342279/incidence-and-predictors-of-post-transplant-lymphoproliferative-disease-after-kidney-transplantation-during-adulthood-and-childhood-a-registry-study
#5
Anna Francis, David W Johnson, Armando Teixeira-Pinto, Jonathan C Craig, Germaine Wong
Background: Differences in the epidemiology of post-transplant lymphoproliferative disease (PTLD) between adult and paediatric kidney transplant recipients remain unclear. Methods: Using the Australian and New Zealand Dialysis and Transplant Registry (1963-2015), the cumulative incidences of PTLD in children (age <20 years) and adults were calculated using a competing risk of death model and compared with age-matched population-based data using standardized incidence ratios (SIRs)...
January 12, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29341372/renal-transplantation-in-children-under-3%C3%A2-years-of-age-experience-from-a-single-center-study
#6
Yann Loiseau, Justine Bacchetta, Amna Klich, Bruno Ranchin, Delphine Demede, Audrey Laurent, Florent Baudin, Florentine Garaix, Pascal Roy, Pierre Cochat
RTx remains challenging in children under 3 years of age. This single-center study reviewed the medical records of children <3 years transplanted since 1987 (N = 32, Group 1). They were matched for donor type and RTx period with children aged 3-13 years (N = 32, Group 2) and 13-18 years (N = 32, Group 3). There were no between-group significant differences regarding distributions of gender, primary renal disease, proportion of dialysis before RTx, and growth (SDS). Compared to Groups 2 and 3, Group 1 had more peritoneal dialyses (P < ...
January 17, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29340343/what-is-the-impact-of-epstein-barr-virus-in-peri-implant-infection
#7
Luigi Canullo, Paolo Pesce, Daniele Botticelli, Ugo Covani, Sasha Jankovic, Tanja Jovanovic, Mia Rakic
PURPOSE: To compare the qualitative and quantitative profile of Epstein-Barr virus (EBV) at external and internal implant surfaces between participants with peri-implantitis and healthy peri-implant tissues and to quantitatively assess the relation between EBV and periopathogens inside the microbiologic profile associated with peri-implantitis. MATERIALS AND METHODS: Microbiologic specimens were retrieved from 84 patients wearing 190 implants to estimate the levels of EBV and 10 periopathogens in the peri-implant pocket and internal-implant connection using quantitative polymerase chain reaction...
January 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29338732/transcriptional-profile-and-epstein-barr-virus-infection-status-of-laser-cut-immune-infiltrates-from-the-brain-of-patients-with-progressive-multiple-sclerosis
#8
Caterina Veroni, Barbara Serafini, Barbara Rosicarelli, Corrado Fagnani, Francesca Aloisi
BACKGROUND: It is debated whether multiple sclerosis (MS) might result from an immunopathological response toward an active Epstein-Barr virus (EBV) infection brought into the central nervous system (CNS) by immigrating B cells. Based on this model, a relationship should exist between the local immune milieu and EBV infection status in the MS brain. To test this hypothesis, we analyzed expression of viral and cellular genes in brain-infiltrating immune cells. METHODS: Twenty-three postmortem snap-frozen brain tissue blocks from 11 patients with progressive MS were selected based on good RNA quality and prominent immune cell infiltration...
January 16, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29338588/epstein-barr-virus-infection-and-type-i-interferon-signature-in-patients-with-systemic-lupus-erythematosus
#9
L Han, Y Zhang, Q Wang, M Xin, K Yang, K Lei, M Sun
Epstein-Barr (EB) virus infection has long been speculated to evoke systemic lupus erythematosus (SLE). Since a virus infection can induce interferon (IFN) system activation, we aimed to discover the relationship between the two in the progression of SLE in a Chinese inpatient cohort. Methods Peripheral blood mononuclear cells and sera were isolated from 116 SLE patients and 76 healthy controls. Antibodies against EBV-VCA (IgM and IgG) and EBNA (IgG) along with IFNα in patient sera were detected with enzyme-linked immunosorbent assays...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29337376/crispr-cas9-mediated-genome-editing-in-epstein-barr-virus-transformed-lymphoblastoid-b-cell-lines
#10
Sizun Jiang, Liang Wei Wang, Michael J Walsh, Stephen J Trudeau, Catherine Gerdt, Bo Zhao, Benjamin E Gewurz
Epstein-Barr virus (EBV) efficiently transforms primary human B cells into immortalized lymphoblastoid cell lines (LCLs), which are extensively used in human genetic, immunological and virological studies. LCLs provide unlimited sources of DNA for genetic investigation, but can be difficult to manipulate, for instance because low retroviral or lentiviral transduction frequencies hinder experiments that require co-expression of multiple components. This unit details Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/Cas9 engineering for robust LCL genome editing...
January 16, 2018: Current Protocols in Molecular Biology
https://www.readbyqxmd.com/read/29337370/modulating-gene-expression-in-epstein-barr-virus-ebv-positive-b-cell-lines-with-crispra-and-crispri
#11
Liang Wei Wang, Stephen J Trudeau, Chong Wang, Catherine Gerdt, Sizun Jiang, Bo Zhao, Benjamin E Gewurz
Epstein-Barr virus (EBV) transforms small resting primary B cells into large lymphoblastoid cells which are able to grow and survive in vitro indefinitely. These cells represent a model for oncogenesis. In this unit, variants of conventional clustered regularly interspaced short palindromic repeats (CRISPR), namely the CRISPR activation (CRISPRa) and CRISPR interference (CRISPRi) methods, are discussed in the context of gene regulation at genomic DNA promoter and enhancer elements. Lymphoblastoid B cell lines (LCLs) stably expressing nuclease-deficient Cas9 (dCas9)-VP64 (Cas9 associated with CRISPRa) or dCas9-KRAB (Cas9 associated with CRISPRi) are transduced with lentivirus that encodes a single guide RNA (sgRNA) that targets a specific gene locus...
January 16, 2018: Current Protocols in Molecular Biology
https://www.readbyqxmd.com/read/29336635/lymphomatoid-granulomatosis-in-a-14-year-old-boy-with-trisomy-21-and-history-of-b-lymphoblastic-leukemia-lymphoma
#12
Anna Paulina Matynia, Sherrie L Perkins, David Li
BACKGROUND: Lymphomatoid granulomatosis is a EBV-driven lymphoproliferative disorder that has been reported in association with immunodeficiency, but only exceptionally in patients with hematopoietic malignancy. CASE REPORT: A 14-year-old boy with trisomy-21 and a history of B-lymphoblastic leukemia/lymphoma (B-ALL) diagnosed 1.5 years prior, on maintenance chemotherapy, presented with fever and respiratory symptoms. Chest X-ray revealed right-lower-lobe consolidation...
January 16, 2018: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/29336321/epstein-barr-virus-and-invasive-mammary-carcinomas-ebna-ebers-and-molecular-profile-in-a-population-of-west-algeria
#13
Radia Yahia, Chahinez Zaoui, Wafaa Derbale, Hafsa Boudi, Yahia Chebloune, Tewfik Sahraoui, Fatima Zohra Elkebir
Breast cancer is the common malignancy that affects women worldwide, but conventional risk factors account for only a small proportion of these cases. A possible viral etiology for breast cancer has been proposed and Epstein-Barr virus (EBV) is a widely studied candidate virus. The objective of this study is to determine the association of EBV infection with infiltrating ductal carcinomas (IDC). This descriptive study was carried out in the laboratory of developmental biology and differentiation, from 2012 to 2014...
January 16, 2018: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/29331266/human-papilloma-virus-specific-t-cells-can-be-generated-from-na%C3%A3-ve-t-cells-for-use-as-an-immunotherapeutic-strategy-for-immunocompromised-patients
#14
Sarah E McCormack, Conrad Russell Y Cruz, Kaylor E Wright, Allison B Powell, Haili Lang, Cornelia Trimble, Michael D Keller, Ephraim Fuchs, Catherine M Bollard
Human papilloma virus (HPV) is a known cause of cervical cancer, squamous cell carcinoma and laryngeal cancer. Although treatments exist for HPV-associated malignancies, patients unresponsive to these therapies have a poor prognosis. Recent findings from vaccine studies suggest that T-cell immunity is essential for disease control. Because Epstein-Barr Virus (EBV)-specific T cells have been highly successful in treating or preventing EBV-associated tumors, we hypothesized that the development of a manufacturing platform for HPV-specific T cells from healthy donors could be used in a third-party setting to treat patients with high-risk/relapsed HPV-associated cancers...
January 10, 2018: Cytotherapy
https://www.readbyqxmd.com/read/29330135/apbb2-is-associated-with-amphetamine-use-and-plasma-beta-amyloids-in-patients-receiving-methadone-maintenance-treatment
#15
Chia-Chen Liu, Chiu-Ping Fang, Tung-Hsia Liu, Hsiang-Wei Kuo, Shu Chi Liu, Sheng-Chang Wang, Andrew C H Chen, Yu-Li Liu
APBB2, amyloid beta (A4) precursor protein-binding family B member 2, has been reported to be associated with opioid dependence. In this study, we reported the first time that the genetic variants in the APBB2 gene were associated with use of amphetamine in opioid dependent patients undergoing methadone maintenance treatment (MMT). 344 heroin-dependent patients undergoing MMT were recruited and assessed for use of amphetamine and opioids by urine toxicology, withdrawal severity, and side effects. DNAs were genome-widely genotyped for all patients...
January 9, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29330011/mutations-in-pi3k110%C3%AE-cause-impaired-nk-cell-function-partially-rescued-by-rapamycin-treatment
#16
Raquel Ruiz-García, Alexander Vargas-Hernandez, Ivan K Chinn, Laura S Angelo, Tram N Cao, Zeynep Coban-Akdemir, Shalini N Jhangiani, Qingchang Meng, Lisa R Forbes, Donna M Muzny, Luis M Allende, Mohammed S Ehlayel, Richard A Gibbs, James R Lupski, Gulbu Uzel, Jordan S Orange, Emily M Mace
BACKGROUND: Heterozygous gain-of-function mutations in PI3K110 lead to lymphadenopathy, lymphoid hyperplasia, Epstein-Barr virus (EBV) and cytomegalovirus (CMV) viremia, and sinopulmonary infections. OBJECTIVE: The known role of NK cell function in the control of EBV and CMV prompted us to investigate the functional and phenotypic effect of PI3K110δ mutations on NK cell subsets and cytotoxic function. METHODS: Patient mutations were identified by whole exome or targeted sequencing...
January 9, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29329079/the-interactome-of-ebv-lmp1-evaluated-by-proximity-based-bioid-approach
#17
Mark A Rider, Mujeeb R Cheerathodi, Stephanie N Hurwitz, Dingani Nkosi, Lauren A Howell, Deanna C Tremblay, Xia Liu, Fanxiu Zhu, David G Meckes
Epstein-Barr virus LMP1 is an oncoprotein required for immortalizing B lymphocytes and also plays important roles in transforming non-lymphoid tissue. The discovery of LMP1 protein interactions will likely generate targets to treat EBV-associated cancers. Here, we define the broader LMP1 interactome using the recently developed BioID method. Combined with mass spectrometry, we identified over 1000 proteins across seven independent experiments with direct or indirect relationships to LMP1. Pathway analysis suggests that a significant number of the proteins identified are involved in signal transduction and protein or vesicle trafficking...
January 9, 2018: Virology
https://www.readbyqxmd.com/read/29327714/a-comprehensive-flow-cytometry-based-immunophenotypic-characterization-of-burkitt-like-lymphoma-with-11q-aberration
#18
Grzegorz Rymkiewicz, Beata Grygalewicz, Magdalena Chechlinska, Katarzyna Blachnio, Zbigniew Bystydzienski, Joanna Romejko-Jarosinska, Renata Woroniecka, Michalina Zajdel, Katarzyna Domanska-Czyz, David Martin-Garcia, Ferran Nadeu, Pawel Swoboda, Jolanta Rygier, Barbara Pienkowska-Grela, Jan Konrad Siwicki, Monika Prochorec-Sobieszek, Itziar Salaverria, Reiner Siebert, Jan Walewski
We previously described a subset of MYC translocation-negative aggressive B-cell lymphomas resembling Burkitt lymphoma, characterized by proximal gains and distal losses in chromosome 11. In the 2016 WHO classification, these MYC-negative lymphomas were recognized as a new provisional entity, 'Burkitt-like lymphoma with 11q aberration'. Here we present an immunophenotype analysis of Burkitt-like lymphomas with 11q aberration. Cells were acquired by fine needle aspiration biopsy from 10 young adult patients, 80% of whom presented recurrence-free 5-year survival...
January 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29327711/cd3-positive-plasmablastic-b-cell-neoplasms-a-diagnostic-pitfall
#19
Zenggang Pan, Mingyi Chen, Qianyun Zhang, Endi Wang, Liqun Yin, Youyuan Xu, Qin Huang, Youzhong Yuan, Xiaohui Zhang, Gang Zheng, Ji Yuan
Rare B-cell neoplasms with plasmablastic differentiation may aberrantly express CD3 by immunohistochemical staining, which places a great challenge for diagnosis. We here studied 17 cases of CD3+ plasmablastic B-cell neoplasms, including 12 plasmablastic lymphomas and 5 plasmablastic plasma cell myelomas. All 17 cases occurred in the extranodal sites with a male predominance (13/17). Four cases were initially misinterpreted by outside institutions, among which three were diagnosed as 'peripheral T-cell lymphoma, not otherwise specified' and one was classified as 'poorly differentiated neuroendocrine carcinoma'...
January 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29325854/considerations-in-the-diagnosis-of-oral-hairy-leukoplakia-an-institutional-experience
#20
Andres Flores-Hidalgo, Si On Lim, Alice E Curran, Ricardo J Padilla, Valerie Murrah
OBJECTIVE: We report here the 10-year experience with oral hairy leukoplakia (OHL) at the Division of Oral and Maxillofacial Pathology at the University of North Carolina at Chapel Hill, NC, USA. STUDY DESIGN: All the associated hematoxylin and eosin and Epstein-Barr virus encoding region in situ hybridization slides of OHL cases between January 1, 2008, and February 1, 2017, were retrieved and reviewed. Collected demographic characteristics, clinical presentation, medical and social histories were reviewed and reported...
November 15, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
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