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https://www.readbyqxmd.com/read/28109163/an-assessment-of-the-overexpression-of-bmp-2-in-transfected-human-osteoblast-cells-stimulated-by-mta-and-biodentine
#1
E M Rodrigues, A L G Cornélio, A S C Fuentes, L P Salles, M Velayutham, C Rossa-Junior, J M Guerreiro-Tanomaru, M Tanomaru-Filho
AIM: To evaluate the effect of MTA and Biodentine on viability, osteogenic differentiation and BMP-2 expression in osteogenic cells. METHODOLOGY: Saos-2 cells were used as a model of osteoblastic cells. Overexpression of BMP2 was induced by transfection of a CMV-driven plasmid construct including the human BMP-2 coding sequence and stably transfected cells were selected. Cell viability was assessed by the mitochondrial dehydrogenase enzymatic (MTT) assay. The bioactivity of the materials was evaluated by the Alkaline Phosphatase (ALP) assay and detection of calcium deposits with Alizarin Red Staining (ARS)...
January 21, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28106085/the-%C3%AE-globin-replicator-greatly-enhances-the-potential-of-s-mar-based-episomal-vectors-for-gene-transfer-into-human-haematopoietic-progenitor-cells
#2
Eleana F Stavrou, Vassileios M Lazaris, Aristeidis Giannakopoulos, Eirini Papapetrou, Alexandros Spyridonidis, Nikolas C Zoumbos, Antonis Gkountis, Aglaia Athanassiadou
Specific human chromosomal elements enhance the performance of episomal gene-transfer vectors. S/MAR-based episomal vector pEPI-eGFP transfects CD34(+) haematopoietic cells, but only transiently. To address this issue we reinforced (1) transgene transcription by replacing the CMV promoter driving eGFP with the EF1/HTLV or SFFV promoters to produce vectors pEPI-EF1/HTLV and pEPI-SFFV, respectively; and (2) plasmid replication by inserting the replication-Initiation Region (IR) from the β-globin locus into vector pEPI-SFFV to produce vector pEP-IR...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28105959/expression-of-an-extracellular-ribonuclease-gene-increases-resistance-to-cucumber-mosaic-virus-in-tobacco
#3
Teppei Sugawara, Ekaterina A Trifonova, Alex V Kochetov, Yoshinori Kanayama
BACKGROUND: The apoplast plays an important role in plant defense against pathogens. Some extracellular PR-4 proteins possess ribonuclease activity and may directly inhibit the growth of pathogenic fungi. It is likely that extracellular RNases can also protect plants against some viruses with RNA genomes. However, many plant RNases are multifunctional and the direct link between their ribonucleolytic activity and antiviral defense still needs to be clarified. In this study, we evaluated the resistance of Nicotiana tabacum plants expressing a non-plant single-strand-specific extracellular RNase against Cucumber mosaic virus...
November 16, 2016: BMC Plant Biology
https://www.readbyqxmd.com/read/28102657/the-optimal-strategy-of-percutaneous-coronary-intervention-for-st-elevation-myocardial-infarction-patients-with-multivessel-disease-an-updated-meta-analysis-of-9-randomized-controlled-trials
#4
Zhong G Fan, Xiao F Gao, Xiao B Li, Wen X Mao, Li W Chen, Nai L Tian
INTRODUCTION: The optimal strategy of percutaneous coronary intervention (PCI) for patients with ST-elevation myocardial infarction (STEMI) and multivessel disease (MVD) still remains controversial. This study sought to explore the optimal PCI strategy for those patients. EVIDENCE ACQUISITION: Medline, EMBASE and the Cochrane Controlled Trials Registry were searched for relevant studies. We analyzed the comparison of major adverse cardiac events (MACEs) as the primary end point between the preventive PCI strategy and the culprit only PCI strategy (CV-PCI)...
April 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28096485/murine-cytomegalovirus-deubiquitinase-regulates-viral-chemokine-levels-to-control-inflammation-and-pathogenesis
#5
Adam T Hilterbrand, Daniel R Boutz, Edward M Marcotte, Jason W Upton
: Maintaining control over inflammatory processes represents a paradox for viral pathogens. Although many viruses induce host inflammatory responses to facilitate infection, control is necessary to avoid overactivation. One way is through the manipulation of proinflammatory chemokine levels, both host and viral. Murine cytomegalovirus (MCMV), a model betaherpesvirus, encodes a viral C-C chemokine, MCK2, which promotes host inflammatory responses and incorporates into virions to facilitate viral dissemination...
January 17, 2017: MBio
https://www.readbyqxmd.com/read/28095350/progressive-multifocal-leukoencephalopathy-in-a-patient-with-systemic-mastocytosis-treated-with-cladribine
#6
Karl B Alstadhaug, Randi Fykse Halstensen, Francis Odeh
BACKGROUND: Progressive multifocal leukoencephalopathy (PML) is a rare opportunistic brain infection caused by the human polyomavirus JC (JCPyV). A particular problem with the drug cladribine seems to be prolonged suppression of the CD4+ T-cells, a well-known risk factor for PML. CASE DESCRIPTION: A 67-year-old male presented with a 3-weeks history of unsteady gait, dysarthria and a dysfunctional right arm. Seven years earlier, he had been diagnosed with urticaria pigmentosa, and 2 years later aggressive systemic mastocytosis...
December 14, 2016: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28095288/cytomegalovirus-immunoglobulin-g-avidity-index-among-blood-donors-in-alexandria-egypt
#7
Aleya Abdel Gawad, Mona Hashish, Amani Abaza, Aisha El-Kayal
BACKGROUND: Transfusion transmitted diseases (TTD) are a major challenge to transfusion services all over the world. Cytomegalovirus (CMV) is considered one of the main viruses associated with blood transfusion. As CMV screening is not included in routine screening tests done for donated blood in blood banks in Egypt, the detection of CMV Immunoglobulin G (IgG) avidity needs to be tested for being a useful tool to diagnose recent infection among blood donors. The aim of this work was to study CMV IgG avidity index (AI) among blood donors...
December 2016: Central European Journal of Public Health
https://www.readbyqxmd.com/read/28093696/secondary-haemophagocytic-lymphohistiocytosis-triggered-by-postnatally-acquired-cytomegalovirus-infection-in-a-late-preterm-infant
#8
Christine Silwedel, Eric Frieauff, Wolfgang Thomas, Johannes G Liese, Christian P Speer
Haemophagocytic lymphohistiocytosis (HLH) is a hyperinflammatory condition with impairment of cytotoxic T-cells and natural killer cells. Causes in infants are mostly hereditary immune defects as well as various infectious triggering factors, amongst these cytomegalovirus (CMV). Vertical CMV transmission may occur in utero, during birth, and by breast feeding. Usually, a CMV infection transmitted via breast milk is symptomatic only in very immature preterm infants. We report on a late preterm infant born after 35 + 5 weeks of gestation with a birth weight of 1840 g, being admitted to our intensive care unit at the age of 9 weeks with acute enteritis and severe dehydration...
January 16, 2017: Infection
https://www.readbyqxmd.com/read/28093008/hearing-loss-associated-gene-detection-in-neonatal-intensive-care-unit
#9
S M Yang, Ying Liu, C Liu, A H Yin, Y F Wu, X E Zheng, H M Yang, J Yang
OBJECTIVE: To investigate the frequency and mutation spectrum of hearing loss associated gene mutation in Neonatal Intensive Care Unit (NICU). METHODS: Neonates (n = 2305) admitted to NICU were enrolled in this study. Nine prominent hearing loss associated genes, GJB2 (35 del G, 176 del 16,235 del C, 299 del AT), GJB3 (538 C > T), SLC26A4 (IVS7-2A > G, 2168 A > G) and mtDNA 12S rRNA(1555 A > G, 1494 C > T), were detected. RESULT: There were 73 cases hearing-loss-associated gene mutation among 2305 cases, the mutation frequency was 3...
January 17, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28092353/non-myeloablative-conditioning-for-second-hematopoietic-cell-transplantation-for-graft-failure-in-patients-with-non-malignant-disorders-a-prospective-study-and-review-of-the-literature
#10
K Mallhi, P J Orchard, W P Miller, Q Cao, J Tolar, T C Lund
Allogeneic hematopoietic cell transplantation (HCT) effectively treats several non-malignant disorders such as selected lysosomal disorders, cerebral adrenoleukodystrophy and hemoglobinopathies. However, rates of graft failure (GF) in non-malignant populations exceed those of patients with malignant indications for HCT. Salvage conditioning regimens and outcomes for second HCT for GF vary immensely in the literature. We report 17 consecutive pediatric patients with non-malignant disorders who underwent a second allogenic HCT for GF using a non-myeloablative, low-dose busulfan-based regimen...
January 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28092349/recipient-donor-hla-and-cmv-matching-in-recipients-of-t-cell-depleted-unrelated-donor-haematopoietic-cell-transplants
#11
B E Shaw, N P Mayor, R M Szydlo, W P Bultitude, C Anthias, K Kirkland, J Perry, A Clark, S Mackinnon, D I Marks, A Pagliuca, M N Potter, N H Russell, K Thomson, J A Madrigal, S G E Marsh
Improving haematopoietic cell transplantation outcomes by selection of an HLA-matched unrelated donor is best practice; however, donor selection by secondary characteristics is controversial. We studied 1271 recipients with haematological malignancies who underwent T-cell-depleted allografts and had complete data on HLA-matching status for six loci (HLA-A, -B, -C, -DRB1, -DQB1, -DPB1) and clinical outcome data. Five-year overall survival was 40.6%. HLA mismatching (at HLA-A, -B, -C, -DRB1, -DQB1) relative risk (RR) 1...
January 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28091392/the-impact-of-viral-load-and-time-to-onset-of-cytomegalovirus-replication-on-long-term-graft-survival-after-kidney-transplantation
#12
Tomas Reischig, Martin Kacer, Petra Hruba, Pavel Jindra, Ondrej Hes, Daniel Lysak, Mirko Bouda, Ondrej Viklicky
BACKGROUND: Asymptomatic cytomegalovirus (CMV) infection is associated with graft dysfunction and failure. However, no study assessed CMV viral load in terms of the risk for graft failure. METHODS: In prospective cohort of kidney transplant recipients, we assessed the impact of CMV DNAemia on the overall graft survival and the incidence of moderate-to-severe interstitial fibrosis and tubular atrophy (IF/TA) in protocol biopsy at 36 months. CMV DNAemia was stratified by viral load in whole blood...
January 16, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28090089/transfer-of-minimally-manipulated-cmv-specific-t-cells-from-stem-cell-or-third-party-donors-to-treat-cmv-infection-after-allohsct
#13
M Neuenhahn, J Albrecht, M Odendahl, F Schlott, G Dössinger, M Schiemann, S Lakshmipathi, K Martin, D Bunjes, S Harsdorf, E M Weissinger, H Menzel, M Verbeek, L Uharek, N Kröger, E Wagner, G Kobbe, T Schroeder, M Schmitt, G Held, W Herr, L Germeroth, H Bonig, T Tonn, H Einsele, D H Busch, G U Grigoleit
Cytomegalovirus (CMV) infection is a common, potentially life-threatening complication following allogeneic hematopoietic stem cell transplantation (allo-HSCT). We assessed prospectively safety and efficacy of stem cell-donor- or third-party-donor-derived CMV-specific T cells for the treatment of persistent CMV infections after allo-HSCT in a phase I/IIa trial. Allo-HSCT patients with drug-refractory CMV infection and lacking virus-specific T cells were treated with a single dose of ex vivo MHC-Streptamer-isolated CMV epitope-specific donor T cells...
January 16, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28088953/-research-of-mhla-g-and-the-receptor-expression-with-kidney-rejection-and-cmv-active-infection-following-kidney-transplantation
#14
L L Bi, Y Gao, Y J Sun, X R Kong, X Y He, X H Ma, W H Zhang, L Xiao, B Y Shi
Objective: To study the expression of membrane HLA-G (mHLA-G) and the receptor immunoglobulin-like transcript 2(ILT2) on lymphocyte and find their association with rejection and cytomegalovirus (CMV) infection after renal transplantation. Methods: A total of 88 cases of renal transplant recipients for the first time from February 2014 to February 2016 were studied in this work. Recipients can be divided into rejection group (n=12) and stable renal function group (n=41) according to whether rejection occurred...
January 10, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28087912/-t-cell-receptor-%C3%AE-chain-cdr3-spectratyping-and-cytomegalovirus-activation-in-allogeneic-hematopoietic-stem-cell-transplant-recipients
#15
Zhihua Wu, Min Jing, Hanying Liang, Rong Yang, Yaping Huang, Xiaoming Chen, Jianhua Hu, Jun Fan
Objective: To explore the association between T-cell receptor beta variable (TCR BV) complementarity determining region 3 (CDR3) spectratyping and CMV activation in the recipients of allogeneic hematopoietic stem cell transplantation (HSCT). Methods: Fluorescence quantitative PCR melting curve analysis was used to sequence 24 TCR BV families in 7 HSCT recipients and 3 healthy controls. CMV-pp65 antigenemia was measured by immunohistochemical staining. Plasma IgM specific for CMV was identified using ELISA. Relationship between TCR BV families and CMV activation was statistically analyzed...
May 25, 2016: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28087884/the-role-of-immunoglobulin-prophylaxis-for-prevention-of-cytomegalovirus-infection-in-pediatric-hematopoietic-stem-cell-transplantation-recipients
#16
Gal Goldstein, Tal Frenkel Rutenberg, Sarina Levy Mendelovich, Daphna Hutt, Michal Teperberg Oikawa, Amos Toren, Bella Bielorai
BACKGROUND: Following cessation of intravenous immunoglobulin (IVIg) administration for allogeneic hematopoietic stem cell transplantation (HSCT) recipients at our unit, we observed a sharp decline in the incidence of cytomegalovirus (CMV) infection. PROCEDURE: We conducted a retrospective study of the role of IVIg in the prevention of CMV infection in children and young adults who underwent HSCT from matched related donor. RESULTS: We included 109 patients (IVIg+/IVIg- ratio 82/27)...
January 14, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28087817/t-cell-redeployment-and-intracellular-cytokine-expression-following-exercise-effects-of-exercise-intensity-and-cytomegalovirus-infection
#17
Emily C LaVoy, Maryam Hussain, Justin Reed, Hawley Kunz, Mira Pistillo, Austin B Bigley, Richard J Simpson
The magnitude of lymphocytosis following exercise is directly related to exercise intensity. Infection with cytomegalovirus (CMV) also augments lymphocytosis after exercise. It is not known if the enhanced T-cell response to exercise due to CMV depends on exercise intensity. Furthermore, exercise-induced changes in T-cell expression of type I and type II cytokines are thought to be intensity dependent, but direct comparisons are lacking. The aim of this experiment was to determine if CMV affects the exercise-induced redistribution of T-cell subsets at varying intensities, and determine the effect of exercise intensity on CD8(+) T-cell cytokine expression...
January 2017: Physiological Reports
https://www.readbyqxmd.com/read/28081328/cytomegalovirus-hepatitis-in-49-pediatric-patients-with-normal-immunity
#18
Hasan Tezer, Saliha Kanık Yüksek, Belgin Gülhan, Aslı Nur Özkaya Parlakay, Ceyda Tuna Kırsaçlıoğlu
BACKGROUND/AIM: Cytomegalovirus (CMV) hepatitis is generally asymptomatic or rarely can lead to severe complications in immunocompetent hosts. This study aims to evaluate CMV hepatitis in immunocompetent young children, which is discussed relatively rarely in the literature. MATERIALS AND METHODS: A retrospective review of 49 pediatric patients with CMV hepatitis from January 2005 to December 2010 was performed. RESULTS: The median age of the patients was 5...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28078409/determination-of-molecular-size-parameters-and-quantification-of-polyacrylic-acid-by-high-performance-size-exclusion-chromatography-with-triple-detection
#19
Jean-François Cotte, Afifa Bouadam, Agathe Sordoillet, Isabelle Jaudinaud, Véronique Chambon, Philippe Talaga
Synthetic polyelectrolytes are a broad class of vaccine adjuvants. Among them, polyacrylic acid (PAA), a polyanionic polymer, is currently evaluated by Sanofi Pasteur. As chain length is considered to be a critical quality attribute for adjuvant properties of PAA, measurement of precise and accurate molecular size parameters is important for these polymers. In the field of synthetic polymer chemistry, methods for determination of molecular size parameters are well defined. Specifically, high performance size-exclusion chromatography (HPSEC) with multi-detection system is a method of choice...
January 11, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28077654/neutralization-of-diverse-human-cytomegalovirus-strains-conferred-by-antibodies-targets-viral-gh-gl-pul128-131-pentameric-complex
#20
Sha Ha, Fengsheng Li, Matthew C Troutman, Daniel C Freed, Aimin Tang, John W Loughney, Dai Wang, I-Ming Wang, Josef Vlasak, David C Nickle, Richard R Rustandi, Melissa Hamm, Pete A DePhillips, Ningyan Zhang, Jason S McLellan, Hua Zhu, Stuart P Adler, Michael A McVoy, Zhiqiang An, Tong-Ming Fu
: Human cytomegalovirus (HCMV) is the leading cause of congenital viral infection and developing a prophylactic vaccine is of high priority to public health. We recently reported a replication-defective human cytomegalovirus with restored pentameric complex gH/gL/pUL128-131 for prevention of congenital HCMV infection. While the quantity of vaccine-induced antibody responses can be measured in a viral neutralization assay, assessing the quality of such responses, including the ability of vaccine-induced antibodies to cross neutralize the field strains of HCMV, remains a challenge...
January 11, 2017: Journal of Virology
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