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https://www.readbyqxmd.com/read/28644565/long-term-risk-of-infection-in-patients-with-crohn-s-disease-on-anti-tnf-treatment-a-prospective-single-center-cohort-study-in-china
#1
Yue Li, Hui Jun Shu, Hong Lu, Hong Yang, Ji Li, Bei Tan, Jiaming Qian
BACKGROUND: Anti-TNF agents have demonstrated to greatly improve management strategies for inflammatory bowel disease (IBD). Clinical trials and registry studies in Western countries have shown that infections and malignancy are the most concerned complications of anti-TNF treatment. However, data derived from clinical practice in China are limited. The aim of this study is to explore the long-term infection risk of infliximab (IFX) in treating patients with Crohn's disease (CD) from a tertiary IBD center in China...
June 23, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28643867/transfusion-transmitted-cmv-infection%C3%A2-%C3%A2-current-knowledge-and-future-perspectives
#2
REVIEW
M Ziemann, T Thiele
Transmission of human cytomegalovirus (CMV) via transfusion (TT-CMV) may still occur and remains a challenge in the treatment of immunocompromised CMV-seronegative patients, e.g. after stem cell transplantation, and for low birthweight infants. Measures to reduce the risk of TT-CMV have been evaluated in clinical studies, including leucocyte depletion of cellular blood products and/or the selection of CMV-IgG-negative donations. Studies in large blood donor cohorts indicate that donations from newly CMV-IgG-positive donors should bear the highest risk for transmitting CMV infections because they contain the highest levels of CMV-DNA, and early CMV antibodies cannot neutralise CMV...
June 23, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28643373/cytomegalovirus-dna-is-highly-prevalent-in-the-blood-of-patients-with-asthma-and-is-associated-with-age-and-asthma-traits
#3
Marek L Kowalski, Aleksandra Wardzynska, Miroslawa Studzinska, Malgorzata Pawelczyk, Zbigniew Jan Lesnikowski, Edyta Paradowska
CMV IgG antibodies have been associated with inflammageing and immunosenescence. We aimed to assess the presence of CMV DNA in the blood of adult and elderly patients with bronchial asthma to establish potential association of CMV DNAemia with asthma and asthma characteristics. Eighty-five elderly asthmatics, 74 younger asthma patients and 114 age-matched controls were recruited. The CMV DNA was detected using commercial artus assay in 10.7% of asthma patients, but was negative in all control individuals. The secondary assay identified CMV DNA in 41...
June 22, 2017: Allergy
https://www.readbyqxmd.com/read/28642806/the-efficacy-of-epigallocatechin-3-gallate-green-tea-in-the-treatment-of-alzheimer-s-disease-an-overview-of-pre-clinical-studies-and-translational-perspectives-in-clinical-practice
#4
REVIEW
Marco Cascella, Sabrina Bimonte, Maria Rosaria Muzio, Vincenzo Schiavone, Arturo Cuomo
Alzheimer's disease (AD) is a neurodegenerative disorder and the most common form of dementia characterized by cognitive and memory impairment. One of the mechanism involved in the pathogenesis of AD, is the oxidative stress being involved in AD's development and progression. In addition, several studies proved that chronic viral infections, mainly induced by Human herpesvirus 1 (HHV-1), Cytomegalovirus (CMV), Human herpesvirus 2 (HHV-2), and Hepatitis C virus (HCV) could be responsible for AD's neuropathology...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28642159/identification-and-comparison-of-rcmv-all-03-open-reading-frame-orf-among-several-different-strains-of-cytomegalovirus-worldwide
#5
Krishnan Nair Balakrishnan, Ashwaq Ahmed Abdullah, JamiluAbubakar Bala, Yusuf Abba, Siti Aimi Sarah, Faez Firdaus Abdullah Jesse, Zeenatul Allaudin Nazariah, Noordin Mohamed Mustapha, Mohd-Azmi Mohd Lila
BACKGROUND: Rat cytomegalovirus ALL-03 (Malaysian strain) which was isolated from a placenta and uterus of a house rat, Rattus rattus diardii has the ability to cross the placenta and infecting the fetus. To further elucidate the pathogenesis of the Malaysian strain of Rat Cytomegalovirus ALL-03 (RCMV ALL-03), detailed analysis on the viral genome sequence is crucial. METHODS: Genome sequencing of RCMV ALL-03 was carried out in order to identify the open reading frame (ORF), homology comparison of ORF with other strains of CMV, phylogenetic analysis, classifying ORF with its corresponding conserved genes, and determination of functional proteins and grouping of gene families in order to obtain fundamental knowledge of the genome...
June 19, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28642136/a-novel-hepatitis-b-virus-derived-cis-acting-sequence-that-enhances-expression-of-transgenes-delivered-by-plasmid-vectors-in-eukaryote-cell-culture-systems
#6
Seoung-Ae Lee, Hong Kim, So-Young Lee, Bum-Joon Kim
We tested the effectiveness of a novel 13-bp hepatitis B virus (HBV)-derived cis-acting element (CAE) (ACCTCGACAAGGC), called the DT2 CAE, in augmenting transgene expression delivered by plasmid vectors in eukaryotic cells. The addition of the DT2 CAE just upstream of the start codon of several different target proteins (luciferase, EGFP, LHB, HBsAg, and MIF) in DNA plasmid constructs enhanced their translation in a posttranscriptional manner, irrespective of cell type (cell lines or primary cells) or promoter (CMV or HBV preS1 promoters), suggesting its feasibility for enhanced protein production in eukaryotic cell systems...
June 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28641094/emerging-concepts-in-cytomegalovirus-infection-following-hematopoietic-stem-cell-transplantation
#7
REVIEW
Jose F Camargo, Krishna V Komanduri
Despite the refinements in molecular methods for the detection of cytomegalovirus (CMV) and the advent of highly effective preemptive strategies, CMV remains a leading cause of morbidity and mortality in hematopoietic cell transplant (HCT) recipients. CMV can cause tissue-invasive disease including pneumonia, hepatitis, colitis, retinitis, and encephalitis. Mortality in HCT recipients with CMV disease can be as high as 60%. CMV infection has been associated with increased risk of secondary bacterial and fungal infections, increased risk of graft-versus-host disease, and high rates of nonrelapse mortality following HCT...
June 14, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28638004/modification-of-the-hcmv-specific-ifn-%C3%AE-release-test-quantiferon-cmv-and-a-novel-proposal-for-its-application
#8
Takahiro Kobayashi, Jun-Ichi Sato, Kazufumi Ikuta, Ryoko Kanno, Kyoko Nishiyama, Tetsuo Koshizuka, Ken Ishioka, Tatsuo Suzutani
Human cytomegalovirus (HCMV) is universally distributed among humans without any adverse effects; however, it induces severe diseases in immunocompromised patients such as organ transplant recipients and AIDS patients. To manage these immunocompromised patients, an easy clinical examination for the monitoring of disease risk is required. In this study, we modified the interferon-γ (IFN-γ) release test (QuantiFERON(®)-CMV) using HCMV immediate early-1 (IE-1) or pp65 whole proteins, or UV-inactivated HCMV particles as an antigen...
June 22, 2017: Fukushima Journal of Medical Science
https://www.readbyqxmd.com/read/28637105/cytomegalovirus-gastric-ulcer-complicated-with-pyloric-obstruction-in-a-patient-with-ulcerative-colitis
#9
Sung Hwan Kang, Kee Myung Lee, Sung Jae Shin, Sun Kyo Lim, Jae Chul Hwang, Jin Hong Kim
In patients with inflammatory bowel disease (IBD), cytomegalovirus (CMV) infections could aggravate the course of IBD but it is difficult to distinguish CMV infection from IBD exacerbation endoscopically. Usually, CMV tends to localize to the colon and other organic involvements were reported very rare in the IBD patients. Herein, we report a case that CMV gastric ulcer complicated with pyloric obstruction in a patient with ulcerative colitis during ganciclovir therapy, which was resolved by surgical gastrojejunostomy with review of literature...
June 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28633098/high-prevalence-of-cytomegalovirus-infection-in-surgical-intestinal-specimens-from-infants-with-necrotizing-enterocolitis-and-spontaneous-intestinal-perforation-a-retrospective-observational-study
#10
Soley Omarsdottir, Margret Agnarsdottir, Charlotte Casper, Abiel Orrego, Mireille Vanpée, Afsar Rahbar, Cecilia Söderberg-Nauclér
BACKGROUND: Necrotizing enterocolitis (NEC) is a severe, often fatal gastrointestinal emergency that predominantly affects preterm infants, and there is evidence that neonatal cytomegalovirus (CMV) infection may in some cases contribute to its pathogenesis. OBJECTIVES: This study aimed to evaluate the prevalence of CMV in infants with NEC. STUDY DESIGN: Seventy intestinal specimens from 61 infants with NEC, spontaneous intestinal perforation (SIP), or related surgical complications were collected at Karolinska University Hospital and Uppsala University Hospital, Sweden...
June 3, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28632322/reduced-intensity-conditioning-allogeneic-transplantation-after-salvage-treatment-with-dt-pace-in-myeloma-patients-relapsing-early-after-autologous-transplant
#11
K Randall, M Kaparou, E Xenou, S Paneesha, B Kishore, A Kanellopoulos, R Lovell, K Holder, J Suhr, L Baker, L Ryan, E Nikolousis
OBJECTIVE: In this retrospective single center study we have looked into the transplant outcomes(overall survival OS, progression free survival PFS,GvHD) and the role of chimerism, DLI and pre-transplant characteristics in patients who had a suboptimal response (<12 months)to an autologous stem cell transplant for myeloma and underwent an Alemtuzumab T-cell depleted reduced intensity allograft(RIC). METHODS: 24 patients were salvaged with 2 cycles of DT-PACE and received a RIC transplant with Fludarabine, Melphalan and Alemtuzumab...
June 20, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28631386/toward-establishing-model-organisms-for-marine-protists-successful-transfection-protocols-for-parabodo-caudatus-kinetoplastida-excavata
#12
Fatma Gomaa, Paulo A Garcia, Jennifer Delaney, Peter R Girguis, Cullen R Buie, Virginia P Edgcomb
We developed protocols for, and demonstrated successful transfection of, the free-living kinetoplastid flagellate Parabodo caudatus with three plasmids carrying a fluorescence reporter gene (pEF-GFP with the EF1 alpha promoter, pUB-GFP with Ubiquitin C promoter, and pEYFP-Mitotrap with CMV promoter). We evaluated three electroporation approaches: 1) a square-wave electroporator designed for eukaryotes, 2) a novel microfluidic transfection system employing hydrodynamically-controlled electric field waveforms, and 3) a traditional exponential decay electroporator...
June 19, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28630251/valnoctamide-inhibits-cytomegalovirus-infection-in-developing-brain-and-attenuates-neurobehavioral-dysfunctions-and-brain-abnormalities
#13
Sara Ornaghi, Lawrence S Hsieh, Angélique Bordey, Patrizia Vergani, Michael J Paidas, Anthony N van den Pol
Cytomegalovirus (CMV) is the most common infectious cause of brain defects and neurological dysfunction in developing human babies. Due to the teratogenicity and toxicity of available CMV antivirals, treatment options during early development are markedly limited. Valnoctamide (VCD), a neuroactive mood stabilizer with no known teratogenic activity, was recently demonstrated to have anti-CMV potential. However, it is not known whether this can be translated into an efficacious therapeutic effect to improve CMV-induced adverse neurological outcomes...
June 19, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28630092/characterization-of-high-avidity-cytomegalovirus-specific-t-cells-with-differential-tetramer-binding-coappearing-after-allogeneic-stem-cell-transplantation
#14
Justyna Ogonek, Kriti Verma, Christian Schultze-Florey, Pavankumar Varanasi, Susanne Luther, Patrick Schweier, Wolfgang Kühnau, Gudrun Göhring, Elke Dammann, Michael Stadler, Arnold Ganser, Ulrike Koehl, Christian Koenecke, Eva M Weissinger, Lothar Hambach
CMV reactivation is a major complication after allogeneic stem cell transplantation (SCT). Immune reconstitution of CMV-specific CTLs (CMV-CTLs) is essential for virus control. During CMV-CTL monitoring using mutated HLA/CMV tetramers selectively detecting high-avidity T cells, we observed coappearance of CMV-CTLs with low (CMV tet(low) CTLs) and high tetramer binding (CMV tet(high) CTLs) in 53/115 CMV IgG(+) patients stem cell transplanted from CMV IgG(+) donors. However, the relevance of these coappearing differentially tetramer binding ("dual") CMV-CTLs was unclear...
June 19, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28629849/analysis-of-archived-newborn-dried-blood-spots-dbs-identifies-congenital-cytomegalovirus-as-a-major-cause-of-unexplained-pediatric-sensorineural-hearing-loss
#15
Lucy Meyer, Bazak Sharon, Tina C Huang, Abby C Meyer, Kristin E Gravel, Lisa A Schimmenti, Elizabeth C Swanson, Hannah E Herd, Nelmary Hernandez-Alvarado, Kirsten R Coverstone, Mark McCann, Mark R Schleiss
PURPOSE: Congenital cytomegalovirus (cCMV) infection is the most common non-genetic cause of sensorineural hearing loss (SNHL). However, accurate diagnosis of cCMV as the etiology of SNHL is problematic beyond the neonatal period. This study therefore examined whether cCMV infection could be identified retrospectively in children presenting with unexplained SNHL to a multidisciplinary diagnostic outpatient otolaryngology clinic at an academic medical center in Minnesota. METHODS: Over a 4-year period, 57 patients with an age range of 3months to 10years with unexplained SNHL were recruited to participate in this study...
June 7, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28629744/mannose-receptor-modulates-macrophage-polarization-and-allergic-inflammation-through-mir-511-3p
#16
Yufeng Zhou, Danh C Do, Faoud T Ishmael, Mario Leonardo Squadrito, Ho Man Tang, Ho Lam Tang, Man-Hsun Hsu, Lipeng Qiu, Changjun Li, Yongqing Zhang, Kevin G Becker, Mei Wan, Shau-Ku Huang, Peisong Gao
BACKGROUND: Mannose receptor (MRC1/CD206) has been suggested to mediate allergic sensitization and asthma to multiple glyco-allergens, including cockroach allergens. OBJECTIVE: Determine the existence of a protective mechanism through which MRC1 limits allergic inflammation through its intronic miR-511-3p. METHODS: We examined the MRC1-mediated cockroach allergen uptake by lung macrophages and lung inflammation using C57BL/6 wild-type (WT) and Mrc1(-/-) mice...
June 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28628043/immunotherapy-for-transplantation-associated-viral-infections
#17
Claire Roddie, Karl S Peggs
Cytomegalovirus (CMV) and Epstein-Barr virus (EBV) infections following allogeneic hematopoietic stem cell transplantation (HSCT) are a major cause of morbidity and mortality. Early clinical trials demonstrate that adoptive transfer of donor-derived virus-specific T cells to restore virus-specific immunity is an effective strategy to control CMV and EBV infection after HSCT, conferring protection in 70%-90% of patients. The field has evolved rapidly to develop solutions to some of the manufacturing challenges identified in early clinical studies, such as prolonged in vitro culture, optimization of the purity of the virus-specific T cell product, the potential limitations of targeting a single viral antigen, and how to manage the patient with a virus-naive donor...
June 19, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28627633/robust-cancer-specific-gene-expression-by-a-novel-cassette-with-htert-and-cmv-promoter-elements
#18
Masakiyo Sakaguchi, Takuya Sadahira, Hideo Ueki, Rie Kinoshita, Hitoshi Murata, Ken-Ichi Yamamoto, Junichiro Futami, Yasutomo Nasu, Kazuhiko Ochiai, Hiromi Kumon, Nam-Ho Huh, Masami Watanabe
We developed and validated a novel hTERT/CMV promoter element-driven gene expression cassette that can robustly enhance cancer-specific gene expression. The following gene expressional elements were located in tandem within the plasmid construct: [hTERT core promoter, cytomegalovirus (CMV) minimized promoter, RU5' sequence, an inserted gene, BGH polyA, hTERT enhancer]; this is hereafter referred to as the hT/Cm-R-hT construct. Using various human cancer cell lines and normal cells, the cancer-specific transcription of the green fluorescent protein (GFP) gene was examined by western blotting and fluorescence microscopy...
June 12, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28626460/differential-effect-of-cytomegalovirus-infection-with-age-on-the-expression-of-cd57-cd300a-and-cd161-on-t-cell-subpopulations
#19
Fakhri Hassouneh, Nelson Lopez-Sejas, Carmen Campos, Beatriz Sanchez-Correa, Raquel Tarazona, Rafael Solana, Alejandra Pera
Immunosenescence is a progressive deterioration of the immune system with aging. It affects both innate and adaptive immunity limiting the response to pathogens and to vaccines. As chronic cytomegalovirus (CMV) infection is probably one of the major driving forces of immunosenescence, and its persistent infection results in functional and phenotypic changes to the T-cell repertoire, the aim of this study was to analyze the effect of CMV-seropositivity and aging on the expression of CD300a and CD161 inhibitory receptors, along with the expression of CD57 marker on CD4(+), CD8(+), CD8(+)CD56(+) (NKT-Like) and CD4(-)CD8(-) (DN) T-cell subsets...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28625678/rapid-protein-production-from-stable-cho-cell-pools-using-plasmid-vector-and-the-cumate-gene-switch
#20
Adeline Poulain, Sylvie Perret, Félix Malenfant, Alaka Mullick, Bernard Massie, Yves Durocher
To rapidly produce large amounts of recombinant proteins, the generation of stable Chinese Hamster Ovary (CHO) cell pools represents a useful alternative to large-scale transient gene expression (TGE). We have developed a cell line (CHO(BRI/rcTA)) allowing the inducible expression of recombinant proteins, based on the cumate gene switch. After the identification of optimal plasmid DNA topology (supercoiled vs linearized plasmid) for PEIpro™ mediated transfection and of optimal conditions for methionine sulfoximine (MSX) selection, we were able to generate CHO(BRI/rcTA) pools producing high levels of recombinant proteins...
June 15, 2017: Journal of Biotechnology
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