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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/28643847/ncr1-deficiency-diminishes-the-generation-of-protective-murine-cytomegalovirus-antibodies-by-limiting-follicular-helper-t-cell-maturation
#3
Antonija Miletic, Maja Lenartic, Branka Popovic, Ilija Brizic, Tihana Trsan, Karmela Miklic, Ofer Mandelboim, Astrid Krmpotic, Stipan Jonjic
NKp46/NCR1 is an activating NK-cell receptor implicated in the control of various viral and bacterial infections. Recent findings also suggest that it plays a role in shaping the adaptive immune response to pathogens. Using NCR1-deficient (NCR1(gfp/gfp) ) mice we provide evidence for the role of NCR1 in antibody response to mouse cytomegalovirus infection (MCMV). The absence of NCR1 resulted in impaired maturation, function and NK-cell migration to regional lymph nodes. In addition, CD4(+) T-cell activation and follicular helper T-cell (Tfh) generation were reduced, leading to inferior germinal center (GC) B-cell maturation...
June 23, 2017: European Journal of Immunology
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
#4
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
#5
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
#6
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/28642130/mir-155-expression-is-downregulated-in-kidney-transplant-patients-with-human-cytomegalovirus-infection
#7
Massimiliano Bergallo, Stefano Gambarino, Paola Montanari, Valentina Daprà, Marco Rassu, Ilaria Galliano, Paolo Ravanini
MicroRNAs are small, noncoding RNAs that control expression of target genes through inhibiting protein translation or inducing degradation of mRNA transcripts of target genes. According to the latest update, 2578 unique mature miRNAs are currently annotated in the human genome and participate in the regulation of multiple events, such as cellular proliferation or apoptosis. Herpesvirus family comprehends many viruses able to control and modulate host-cell processes permitting the survival by a latency phase after primary infection...
June 19, 2017: Transplant Immunology
https://www.readbyqxmd.com/read/28641094/emerging-concepts-in-cytomegalovirus-infection-following-hematopoietic-stem-cell-transplantation
#8
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/28638848/cytomegalovirus-infection-with-retinitis-after-brentuximab-vedotin-treatment-for-cd30-lymphoma
#9
Jean-Jacques Tudesq, Laure Vincent, Julie Lebrun, Yosr Hicheri, Ludovic Gabellier, Timothé Busetto, Corinne Merle, Nathalie Fegueux, Patrice Ceballos, Philippe Quittet, Robert Navarro, Dominique Hillaire-Buys, Guillaume Cartron
Brentuximab vedotin is an antibody-conjugated chemotherapy targeting CD30 indicated in treatment of several lymphomas. We report the first 3 cases of cytomegalovirus severe infections with retinitis following this treatment. Evolution was favorable, but relapse occurred after treatment rechallenge. We suggest vigilance about cytomegalovirus in patients treated with brentuximab vedotin.
2017: Open Forum Infectious Diseases
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
#10
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/28637877/ex-vivoexpanded-adaptive-nk-cells-effectively-kill-primary-acute-lymphoblastic-leukemia-cells
#11
Lisa L Liu, Vivien Beziat, Vincent Oei Yi Sheng, Aline Pfefferle, Marie Schaffer, Soren Lehmann, Eva Hellstrom-Lindberg, Stefan Soderhall, Mats Heyman, Dan Grander, Karl-Johan Malmberg
Manipulation of human NK cell repertoires promises more effective strategies for NK cell-based cancer immunotherapy. A subset of highly differentiated NK cells, termed adaptive NK cells, expands naturally in vivo in response to human cytomegalovirus (HCMV) infection, carries unique repertoires of inhibitory killer cell immunoglobulin-like receptors (KIRs), and displays strong cytotoxicity against tumor cells. Here, we established a robust and scalable protocol for ex vivo generation and expansion of adaptive NK cells for cell therapy against pediatric acute lymphoblastic leukemia (ALL)...
June 21, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28637105/cytomegalovirus-gastric-ulcer-complicated-with-pyloric-obstruction-in-a-patient-with-ulcerative-colitis
#12
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
#13
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/28630251/valnoctamide-inhibits-cytomegalovirus-infection-in-developing-brain-and-attenuates-neurobehavioral-dysfunctions-and-brain-abnormalities
#14
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/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/28628650/the-human-cytomegalovirus-glycoprotein-pul11-acts-via-cd45-to-induce-t-cell-il-10-secretion
#16
Jasmin Zischke, Panagiota Mamareli, Claudia Pokoyski, Ildar Gabaev, Sabine Buyny, Roland Jacobs, Christine S Falk, Matthias Lochner, Tim Sparwasser, Thomas F Schulz, Penelope C Kay-Fedorov
Human Cytomegalovirus (HCMV) is a widespread pathogen, infection with which can cause severe disease for immunocompromised individuals. The complex changes wrought on the host's immune system during both productive and latent HCMV infection are well known. Infected cells are masked and manipulated and uninfected immune cells are also affected; peripheral blood mononuclear cell (PBMC) proliferation is reduced and cytokine profiles altered. Levels increase of the anti-inflammatory cytokine IL-10, which may be important for the establishment of HCMV infections and is required for the development of high viral titres by murine cytomegalovirus...
June 19, 2017: PLoS Pathogens
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/28628024/-evaluation-of-dynamic-telomere-length-shortening-of-lymphocytes-in-immunocompromised-children-with-chronic-diseases-of-the-respiratory
#18
E Khalturina, I Nesterova
Nowadays it is common to observe the growth of viral-viral and viral-bacterial co-infections in children of different ages, due to dysfunction of lymphocytes (DL), which can be connected with the process of the accelerated shortening of the end structures of chromosomal telomeres, telomere length changes are described in lymphocytes of children with chronic mono-infections. The conducted study has shown the shortening of telomere lymphocytes in children with CDRT seropositive for mixed-herpes viral infections (herpes simplex virus, virus, Epstein-Barr virus and cytomegalovirus in various combinations) and for bacterial co-infections - Chlamydia trachomatis and (or) Mycoplasma pneumoniae...
May 2017: Georgian Medical News
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/28624987/congenital-cytomegalovirus-infection-in-central-germany-an-underestimated-risk
#20
Hannah Rütten, Anke Rissmann, Birgit Brett, Serban-Dan Costa, Birgit Doßow, Jacqueline Färber, Stefan Fest, Christiane Fritzsch, Anke Lux, Ilona Päge, Claudia Spillner, Anke Redlich
PURPOSE: This is the first study to determine the cytomegalovirus (CMV) seronegativity rate for women of childbearing age in Saxony-Anhalt and to determine the prevalence of clinically relevant congenital CMV (cCMV) infection in Central Germany, because there are no valid data available. METHODS: The retrospective study was undertaken between January 2005 and December 2015. For the first time in Germany, the following seven data sources were used to analyze the prevalence of clinically relevant cCMV infection and the rate of CMV seronegative women of childbearing age: CMV Screening in maternity unit, University Women's Hospital, Social Paediatrics Centre (SPC), Malformation Monitoring Centre (MMC), Newborn Hearing Screening (NHS), Neonatal Intensive Care Unit (NICU), and In-house Doctor Department...
June 17, 2017: Archives of Gynecology and Obstetrics
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