keyword
MENU ▼
Read by QxMD icon Read
search

low cmv

keyword
https://www.readbyqxmd.com/read/28437539/safety-and-efficacy-of-antiviral-therapy-for-prevention-of-cytomegalovirus-reactivation-in-immunocompetent-critically-ill-patients-a-randomized-clinical-trial
#1
Nicholas J Cowley, Andrew Owen, Sarah C Shiels, Joanne Millar, Rebecca Woolley, Natalie Ives, Husam Osman, Paul Moss, Julian F Bion
Importance: Latent cytomegalovirus (CMV) infection is present in more than half the adult population, and a viral reactivation (ie, when the virus becomes measurable in body fluids such as blood) can occur in up to one-third of these individuals during episodes of critical illness. Objective: To determine whether antiviral therapy is safe and effective for preventing CMV reactivation in a general population of critically ill patients. Design, Setting, and Participants: A single-center, open-label, randomized, controlled clinical trial recruited 124 CMV-seropositive patients undergoing mechanical ventilation for at least 24 hours in the intensive care unit between January 1, 2012, and January 31, 2014...
April 24, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28419213/risks-factors-for-congenital-cmv-infection-following-primary-and-non-primary-maternal-infection-a-prospective-neonatal-screening-study-using-pcr-in-saliva
#2
Marianne Leruez-Ville, Jean-François Magny, Sophie Couderc, Christine Pichon, Marine Parodi, Laurence Bussières, Tiffany Guilleminot, Idir Ghout, Yves Ville
Background: The design of diagnostic and preventive strategies have been prevented by gaps in knowledge of the epidemiology of congenital CMV (cCMV) with the type of maternal infection as well as the lack of large-scale neonatal screening tools. Methods: 11,715 consecutive newborns were screened for cCMV by PCR in saliva. Prevalence, type of maternal infection, socio-demographic, obstetrical and serological data were analyzed. Results: Positive predictive value of CMV PCR in saliva was 59%, false positive results were associated with lower viral loads (p<0...
April 17, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28407149/determination-of-the-biological-form-of-human-cytomegalovirus-dna-in-the-plasma-of-solid-organ-transplant-recipients
#3
Yupin Tong, Xiaoli L Pang, Curtis Mabilangan, Jutta K Preiksaitis
Background.: Whether cytomegalovirus (CMV) DNA exists in plasma as virion-associated or free DNA is uncertain. Methods.: An assay combining DNase I digestion and CMV quantitative polymerase chain reaction (DNase-CMV-qPCR) was developed to differentiate free naked DNA from virion DNA. One hundred three frozen and 10 fresh CMV DNA-positive plasma samples from solid-organ transplant recipients (SOTRs) were tested. Three sets of paired qPCR (P-qPCR) assays with amplicons of variable length were used to study CMV DNA fragmentation in 20 SOTR plasma samples, viral stocks (Towne, Merlin, AD169) and the first World Health Organization (WHO) international standard (IS) for CMV DNA...
April 12, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28400201/inhibitors-of-dual-specificity-tyrosine-phosphorylation-regulated-kinases-dyrk-exert-a-strong-anti-herpesviral-activity
#4
Corina Hutterer, Jens Milbradt, Stuart Hamilton, Mirko Zaja, Johann Leban, Christophe Henry, Daniel Vitt, Mirjam Steingruber, Eric Sonntag, Isabel Zeitträger, Hanife Bahsi, Thomas Stamminger, William Rawlinson, Stefan Strobl, Manfred Marschall
Infection with human cytomegalovirus (HCMV) is a serious medical problem, particularly in immunocompromised individuals and neonates. The success of (val)ganciclovir therapy is hampered by low drug compatibility and induction of viral resistance. A novel strategy of antiviral treatment is based on the exploitation of cell-directed signaling, e. g. pathways with a known relevance for carcinogenesis and tumor drug development. Here we describe a principle for putative antiviral drugs based on targeting dual-specificity tyrosine phosphorylation-regulated kinases (DYRKs)...
April 9, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28393254/antitumor-effects-of-a-dual-specific-lentiviral-vector-carrying-the-escherichia-coli-purine-nucleoside-phosphorylase-gene
#5
Xiaolong Wang, Lei Sun, Xuejun Sun, Junhui Yu, Kai Wang, Yunhua Wu, Qi Gao, Jianbao Zheng
The Escherichia coli purine nucleoside phosphorylase/Fludarabine phosphate (ePNP/Fludara) suicide system has several drawbacks, such as side-effects and the low efficiency of ePNP expression. In this study, we evaluated the antitumor effects of the dual-specific 8HSEs-hTERTp-ePNP/Fludara suicide system under hyperthermia in vitro and in vivo. Luciferase activities from the 8HSEs‑hTERT and CMV promoters were compared using the dual luciferase assay in SW480 (high hTERT expression) and MKN74 cells (hTERT-negative) in the presence and absence of hyperthermia...
May 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28391502/genomic-analysis-of-chimeric-human-cytomegalovirus-vaccine-candidates-derived-from-strains-towne-and-toledo
#6
Nicolás M Suárez, Betty Lau, George M Kemble, Ronzo Lee, Edward S Mocarski, Gavin W G Wilkinson, Stuart P Adler, Michael A McVoy, Andrew J Davison
Human cytomegalovirus (HCMV) is an important opportunistic pathogen in immunocompromised patients and a major cause of congenital birth defects when acquired in utero. In the 1990s, four chimeric viruses were constructed by replacing genome segments of the high passage Towne strain with segments of the low passage Toledo strain, with the goal of obtaining live attenuated vaccine candidates that remained safe but were more immunogenic than the overly attenuated Towne vaccine. The chimeras were found to be safe when administered to HCMV-seronegative human volunteers, but to differ significantly in their ability to induce seroconversion...
April 8, 2017: Virus Genes
https://www.readbyqxmd.com/read/28389165/cytomegalovirus-retinitis-followed-by-immune-recovery-uveitis-in-an-elderly-patient-with-rheumatoid-arthritis-undergoing-administration-of-methotrexate-and-tofacitinib-combination-therapy
#7
Kunio Yanagisawa, Yoshiyuki Ogawa, Mayumi Hosogai, Daisuke Todokoro, Takeki Mitsui, Akihiko Yokohama, Shoji Kishi, Hiroshi Handa
Cytomegalovirus (CMV) retinitis is an opportunistic ocular infection most commonly observed in patients infected with human immunodeficiency virus (HIV). We present a rare case of CMV retinitis that developed in a non-HIV patient with rheumatoid arthritis (RA). Over the preceding 5 months, a family doctor had been treating the 78-year-old male patient with a combination therapy of methotrexate (MTX) and tofacitinib (TOF). CMV retinitis occurred when the patient's CD4+ T cells were low (196 cells/μl), and preceded the onset of Pneumocystis pneumonia...
April 4, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28385786/host-virus-and-pneumococcus-specific-immune-responses-in-high-count-monoclonal-b-cell-lymphocytosis-and-chronic-lymphocytic-leukemia-implications-for-disease-progression
#8
Ignacio Criado, Santiago Muñoz-Criado, Arancha Rodríguez-Caballero, Wendy G Nieto, Alfonso Romero, Paulino Fernández-Navarro, Miguel Alcoceba, Teresa Contreras, Marcos González, Alberto Orfao, Julia Almeida
Patients diagnosed with chronic lymphocytic leukemia display a high incidence of infections due to an associated immunodeficiency that includes hypogammaglobulinemia. A higher risk of infections has also been recently reported for high-count monoclonal B-cell lymphocytosis, while no information is available in low-count monoclonal B-cell lymphocytosis. Here, we evaluated the status of the humoral immune system in patients with chronic lymphocytic leukemia (n=58), as well as in low- (n=71) and high-count (n=29) monoclonal B-cell lymphocytosis vs...
April 6, 2017: Haematologica
https://www.readbyqxmd.com/read/28383392/valganciclovir-dosing-for-cytomegalovirus-prophylaxis-in-pediatric-solid-organ-transplant-recipients-a-prospective-pharmacokinetic-study
#9
Orit Peled, Matitiahu Berkovitch, Eran Rom, Efraim Bilavsky, Yael Bernfeld, Lev Dorfman, Adi Pappo, Tomer Ziv-Baran, Nurit Brandriss, Adina Bar-Haim, Jacob Amir, Liat Ashkenazi-Hoffnung
BACKGROUND: Valganciclovir is extensively used for prophylaxis and treatment of CMV infection in solid-organ transplant recipients. However, pharmacokinetic data in children are scarce, and the pediatric dosing regimen is uncertain. This study sought to prospectively evaluate the pharmacokinetic profile, the clinical efficacy and safety of oral valganciclovir in pediatric transplant recipients and compare different dosing regimens. METHODS: The cohort included solid-organ transplant recipients treated with valganciclovir for CMV prophylaxis in 2014-2015 at a tertiary pediatric medical center...
April 5, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28382969/sensitive-detection-of-rare-disease-associated-cell-subsets-via-representation-learning
#10
Eirini Arvaniti, Manfred Claassen
Rare cell populations play a pivotal role in the initiation and progression of diseases such as cancer. However, the identification of such subpopulations remains a difficult task. This work describes CellCnn, a representation learning approach to detect rare cell subsets associated with disease using high-dimensional single-cell measurements. Using CellCnn, we identify paracrine signalling-, AIDS onset- and rare CMV infection-associated cell subsets in peripheral blood, and extremely rare leukaemic blast populations in minimal residual disease-like situations with frequencies as low as 0...
April 6, 2017: Nature Communications
https://www.readbyqxmd.com/read/28381570/transient-oral-human-cytomegalovirus-infections-indicate-inefficient-viral-spread-from-very-few-initially-infected-cells
#11
Bryan T Mayer, Elizabeth M Krantz, David Swan, James Ferrenberg, Karen Simmons, Stacy Selke, Meei-Li Huang, Corey Casper, Lawrence Corey, Anna Wald, Joshua T Schiffer, Soren Gantt
Cytomegalovirus (CMV) is acquired by the oral route in children, and primary infection is associated with abundant mucosal replication as well as the establishment of latency in myeloid cells that results in lifelong infection. The efficiency of primary CMV infection in humans following oral exposure, however, is unknown. We consistently detected self-limited, low-level oral CMV shedding events, which we termed transient CMV infections, in a prospective birth cohort of 30 highly exposed CMV-uninfected infants...
April 5, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28358704/prevalence-of-neurotropic-viruses-in-malignant-glioma-and-their-onco-modulatory-potential
#12
Tadej Strojnik, Darja Duh, Tamara T Lah
BACKGROUND: the association between infectious agents and tumour aetiology is relevant in about 20% of cases. PATIENTS AND METHODS: We tested high-grade glioma tissues from 45 patients for the presence of viral nucleic acids of six herpes viruses, human adenoviruses (A-G), and two neurotropic human viruses (enteroviruses, tick-borne encephalitis virus). Real-time polymerase chain reaction was used with immunolabelling. RESULTS: Three species of herpes viruses were detected: HSV-2, Epstein-Barr virus (EBV), HHV-6, and one human enterovirus...
March 2017: In Vivo
https://www.readbyqxmd.com/read/28355283/streptococcus-gallolyticus-infection-in-colorectal-cancer-and-association-with-biological-and-clinical-factors
#13
Maria Andres-Franch, Antonio Galiana, Victoria Sanchez-Hellin, Enrique Ochoa, Eva Hernandez-Illan, Pilar Lopez-Garcia, Adela Castillejo, Maria Isabel Castillejo, Victor Manuel Barbera, Josefa Garcia-Dura, Francisco Javier Gomez-Romero, Gloria Royo, Jose Luis Soto
There is an unambiguous association of Streptococcus gallolyticus infection with colorectal cancer, although there is limited information about epidemiology or interaction between molecular and environmental factors. We performed an original quantitative analysis of S. gallolyticus in unselected colorectal cancer patients (n = 190) and their association with clinical, pathological tumor molecular profiles (microsatellite instability, hypermethylator phenotype and chromosomal instability pathways), and other biological factors in colorectal tumor and normal tissues (cytomegalovirus and Epstein-Barr virus infection)...
2017: PloS One
https://www.readbyqxmd.com/read/28344058/possible-impact-of-cmv-specific-cd8-t-cells-on-immune-reconstitution-and-conversion-to-complete-donor-chimerism-after-allogeneic-sct
#14
Justyna Ogonek, Pavankumar Varanasi, Susanne Luther, Patrick Schweier, Wolfgang Kühnau, Gudrun Göhring, Elke Dammann, Michael Stadler, Arnold Ganser, Sylvia Borchers, Ulrike Koehl, Eva M Weissinger, Lothar Hambach
Complete donor chimerism is strongly associated with complete remission after allogeneic stem cell transplantation (allo-SCT) in patients with hematological malignancies. Donor-derived allo-immune responses are eliminating the residual host hematopoiesis and thereby mediate the conversion to complete donor chimerism. Recently, CMV reactivation has been described to enhance overall T-cell reconstitution, to increase graft-versus-host disease (GvHD) incidence and to reduce the leukemia relapse risk. However, the link between CMV and allo-immune responses is still unclear...
March 23, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28343438/hsa-mir-27b-is-up-regulated-in-cytomegalovirus-infected-human-glioma-cells-targets-engrailed-2-and-inhibits-its-expression
#15
Linqian Wang, Ming Yang, Shijing Liao, Wei Liu, Gan Dai, Guojun Wu, Liyu Chen
Human cytomegalovirus (HCMV) dormant infection can alter the expression of the hosts' microRNAs (miRNAs) and impact on the regulation of target genes. To investigate the differentially expressed miRNAs induced by HCMV in human glioma U251 cells, a comprehensive miRNA screen was performed. As a result, 19 up-regulated and 14 down-regulated miRNAs were determined. Of these, hsa-miR-27b (miR-27b) attracted our attention. MiR-27b levels in U251 cells increased 7.70-fold, 8.64-fold, and 4.78-fold, respectively, post 24 h, 48 h, and 72 h HCMV infection, compared to those in the mimic-infected cells, and this up-regulation was further confirmed by quantitative RT-PCR...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28340620/stable-high-level-expression-of-factor-viii-in-chinese-hamster-ovary-cells-in-improved-elongation-factor-1-alpha-based-system
#16
Nadezhda A Orlova, Sergey V Kovnir, Alexandre G Gabibov, Ivan I Vorobiev
BACKGROUND: Recombinant factor VIII (FVIII), used for haemophilia A therapy, is one of the most challenging among the therapeutic proteins produced in heterologous expression systems. Deletion variant of FVIII, in which the entire domain B is replaced by a short linker peptide, was approved for medical use. Efficacy and safety of this FVIII deletion variant are similar to full-length FVIII preparations while the level of production in CHO cells is substantially higher. Typical levels of productivity for CHO cell lines producing deletion variant FVIII-BDD SQ, described elsewhere, are 0...
March 24, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/28331097/loss-of-the-human-cytomegalovirus-us16-protein-abrogates-virus-entry-into-endothelial-and-epithelial-cells-by-reducing-the-virion-content-of-the-pentamer
#17
Anna Luganini, Noemi Cavaletto, Stefania Raimondo, Stefano Geuna, Giorgio Gribaudo
The Human Cytomegalovirus (HCMV) US12 gene family encodes a group of predicted seven-transmembrane proteins whose functions have yet to be established. While inactivation of individual US12 members in laboratory strains of HCMV does not affect viral replication in fibroblasts, disruption of the US16 gene in the low-passage TR strain prevents viral growth in endothelial and epithelial cells. In these cells, the US16-null viruses fail to express IE, E, and L viral proteins due to a defect which occurs prior to IE gene expression...
March 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28328824/early-use-of-noninvasive-techniques-for-clearing-respiratory-secretions-during-noninvasive-positive-pressure-ventilation-in-patients-with-acute-exacerbation-of-chronic-obstructive-pulmonary-disease-and-hypercapnic-encephalopathy-a-prospective-cohort-study
#18
Jinrong Wang, Zhaobo Cui, Shuhong Liu, Xiuling Gao, Pan Gao, Yi Shi, Shufen Guo, Peipei Li
Noninvasive positive-pressure ventilation (NPPV) might be superior to conventional mechanical ventilation (CMV) in patients with acute exacerbations of chronic obstructive pulmonary disease (AECOPDs). Inefficient clearance of respiratory secretions provokes NPPV failure in patients with hypercapnic encephalopathy (HE). This study compared CMV and NPPV combined with a noninvasive strategy for clearing secretions in HE and AECOPD patients.The present study is a prospective cohort study of AECOPD and HE patients enrolled between October 2013 and August 2015 in a critical care unit of a major university teaching hospital in China...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28323489/incidence-rates-and-risk-factors-for-vision-loss-among-aids-related-cytomegalovirus-retinitis-patients-in-southern-thailand
#19
Wantanee Sittivarakul, Usanee Seepongphun
PURPOSE: To describe the incidence of and risk factors for visual acuity (VA) loss in patients with AIDS and cytomegalovirus (CMV) retinitis. METHODS: A total of 132 patients were included. The main outcome measurements were the incidences of VA loss to ≤20/50 and ≤20/200. RESULTS: The incidences of VA loss to ≤20/50 and ≤20/200 were 0.22/eye-year (EY) and 0.12/EY, respectively. Risk factors for the incidence of VA loss to ≤20/50 were low nadir CD4(+) T-cell count (adjusted hazard ratio [aHR], 3...
March 21, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28322432/bilateral-congenital-deafness-what-investigations-should-be-performed
#20
Nicolas Gürtler, Claudine Gysin, Nevenka Schmid, Claudia Pieren, Mattheus Vischer, Stefan Schumacher, Peter Oppermann, Daniel Leuba, Dorothée Veraguth
BACKGROUND: The introduction of newborn hearing screening has led to earlier identification of children with congenital sensorineural hearing loss (SNHL). Aetiological clarification offers several benefits. There is currently a lack of agreement on which examinations should be recommended. OBJECTIVE: Descriptive review of the literature reporting investigations performed to establish the aetiology of congenital SNHL and comparison of the management policy in Swiss referral centres...
March 21, 2017: Swiss Medical Weekly
keyword
keyword
115770
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"