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Adenovirus

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https://www.readbyqxmd.com/read/28646749/mutually-facilitated-co-transport-of-two-different-viruses-through-reactive-porous-media
#1
Shuang Xu, Ramesh Attinti, Elizabeth Adams, Jie Wei, Kalmia Kniel, Jie Zhuang, Yan Jin
In this study, we quantified transport and retention behaviors of a human pathogenic virus (Adenovirus 41, abbreviated as Ad-41) and a model bacteriophage (ϕX174) through metal oxide-removed and goethite-coated sand under saturated flow conditions. Two sets of bench scale column experiments were conducted: transport of each type of viruses alone and co-transport of both viruses. All experiments were conducted at pH 7.5 using 2 mM artificial ground water (AGW) buffer as background solution. Experimental results revealed that goethite-coated sand (i...
June 18, 2017: Water Research
https://www.readbyqxmd.com/read/28646638/corrigendum-to-oncolytic-adenovirus-expressing-relaxin-ydc002-enhances-therapeutic-efficacy-of-gemcitabine-against-pancreatic-cancer-cancer-lett-396-2017-155-166
#2
Kyung Hee Jung, Il-Kyu Choi, Hee-Seung Lee, Hong Hua Yan, Mi Kwon Son, Hyo Min Ahn, JinWoo Hong, Chae-Ok Yun, Soon-Sun Hong
No abstract text is available yet for this article.
June 21, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28646022/nf1-hematopoietic-cells-accelerate-malignant-peripheral-nerve-sheath-tumor-development-without-altering-chemotherapy-response
#3
Rebecca D Dodd, Chang-Lung Lee, Tess Overton, Wesley Huang, William C Eward, Lixia Luo, Yan Ma, Davis R Ingram, Keila E Torres, Diana M Cardona, Alexander Lazar, David G Kirsch
Haploinsufficiency in the tumor suppressor NF1 contributes to the pathobiology of type 1 neurofibromatosis, but a related role has not been established in malignant peripheral nerve sheath tumors (MPNST) where NF1 mutations also occur. Patients with NF1-associated MPNST appear to have worse outcomes than patients with sporadic MPNST, but the mechanism underlying this correlation is not understood. To define the impact of stromal genetics on the biology of this malignancy, we developed unique mouse models that reflect the genetics of patient-associated MPNST...
June 23, 2017: Cancer Research
https://www.readbyqxmd.com/read/28643489/comparison-of-the-luminex-xtag-respiratory-viral-panel-fast-v2-assay-with-anyplex-ii-rv16-detection-kit-and-advansure-rv-real-time-rt-pcr-assay-for-the-detection-of-respiratory-viruses
#4
Dae Hyun Ko, Hyun Soo Kim, Jungwon Hyun, Han Sung Kim, Jae Seok Kim, Kyoung Un Park, Wonkeun Song
BACKGROUND: The accurate and rapid identification of the causative viruses is important for the timely diagnosis and management of respiratory infections. Multiplex molecular diagnostic techniques have been widely adopted to detect respiratory viruses. We compared the results of a newly upgraded, multiplex, molecular bead-based respiratory viral panel (RVP) assay with the results of Anyplex II RV16 detection kit and AdvanSure RV real-time RT-PCR assay. METHODS: We tested 254 respiratory specimens and cultured viral strains using the Luminex xTAG RVP Fast v2 assay (Luminex Molecular Diagnostics, Canada) and Anyplex II RV16 detection kit and compared the results...
September 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28643325/surface-expression-of-anti-cd3scfv-stimulates-locoregional-immunotherapy-against-hepatocellular-carcinoma-depending-on-the-e1a-engineered-human-umbilical-cord-mesenchymal-stem-cells
#5
Qing Zhang, Xiang-Fei Yuan, Yang Lu, Zhen-Zhen Li, Shi-Qi Bao, Xiao-Long Zhang, Yuan-Yuan Yang, Dong-Mei Fan, Yi-Zhi Zhang, Chen-Xuan Wu, Hong-Xing Guo, Yan-Jun Zhang, Ye Zhou, Dong-Sheng Xiong
Tumor antigens is at the core of cancer immunotherapy, however, the ideal antigen selection is difficult especially in poorly immunogenic tumors. In this study, we designed a strategy to modify hepatocellular carcinoma (HCC) cells by surface expressing anti-CD3scfv within the tumor site strictly, which depended on the E1A-engineered human umbilical cord mesenchymal stem cells (HUMSC.E1A) delivery system. Subsequently, membrane-bound anti-CD3scfv actived the lymphocytes which lysed HCC cells bypassing the expression of antigens or MHC restriction...
June 23, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28639594/viral-aetiology-of-wheezing-in-children-under-five
#6
Prithi Sureka Mummidi, Radha Tripathy, Bhagirathi Dwibedi, Amarendra Mahapatra, Suryakanta Baraha
BACKGROUND & OBJECTIVES: Wheezing is a common problem in children under five with acute respiratory infections (ARIs). Viruses are known to be responsible for a considerable proportion of ARIs in children. This study was undertaken to know the viral aetiology of wheezing among the children less than five years of age, admitted to a tertiary care hospital in eastern India. METHODS: Seventy five children, under the age of five years admitted with wheezing, were included in the study...
February 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28639027/first-detection-of-enteric-adenoviruses-genotype-41-in-recreation-spring-areas-of-taiwan
#7
Yi-Jia Shih, Chi-Wei Tao, Hsin-Chi Tsai, Wen-Chien Huang, Tung-Yi Huang, Jung-Sheng Chen, Yi-Chou Chiu, Tsui-Kang Hsu, Bing-Mu Hsu
Human adenoviruses (HAdVs) are DNA viruses found in recreational water, such as water parks and swimming pools. Human adenovirus 41 (HAdV-41) is the most common serotype detected and is a leading cause of acute diarrheal disease. The focus of this study is to determine the prevalence of HAdVs in hot springs. Of 57 samples collected from four different geological sites, 16 samples have shown evidence of HAdVs (28.1%). HAdV-41 and porcine adenovirus 5 (PAdV-5) were the two types isolated, with a greater frequency of HAdV-41, which in other settings has been associated with acute diarrhea...
June 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28638457/upregulation-of-coxsackie-adenovirus-receptor-sensitizes-cisplatin-resistant-lung-cancer-cells-to-crad-induced-inhibition
#8
Ali Sakhawat, Yanan Liu, Ling Ma, Tahir Muhammad, Shensen Wang, Lina Zhang, Xianling Cong, Yinghui Huang
Objective. Conditionally replicating adenoviruses (CRAds) have been proven potent oncolytic viruses in previous studies. They selectively replicate in the tumor cells because of incorporated survivin promoter and ultimately lead to their killing with minimal side effects on normal tissue. Chemotherapy with cisplatin is commonly employed for treating tumors, but its cytotoxic effects and development of resistance remained major concerns to be dealt with. The aim of this study was to explore the anticancer potential of survivin regulated CRAd alone or in combination with cisplatin in the A549 lung cancer cell line and cisplatin-resistant lung cancer cell line, A549-DDPR...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28637242/yap-and-wwtr1-regulate-the-expression-of-sex-determining-genes-in-sertoli-cells-but-their-inactivation-does-not-cause-sex-reversal
#9
Adrien Levasseur, Marilène Paquet, Derek Boerboom, Alexandre Boyer
Yes-associated protein (YAP) and WW containing transcription regulator 1 (WWTR1) are two functionally redundant transcriptional regulators that are downstream effectors of the Hippo signaling pathway, and that act as major regulators of cell growth and differentiation. To elucidate their role in Sertoli cells, primary Sertoli cell culture from Yapflox/flox; Wwtr1flox/flox animals were infected with a Cre recombinase-expressing adenovirus. Concomitant inactivation of Yap and Wwtr1 resulted in a decrease in the mRNA levels of the male sex differentiation genes Dhh, Dmrt1, Sox9 and Wt1, whereas those of genes involved in female differentiation (Wnt4, Rspo1 and Foxl2) were induced...
June 16, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28635524/serology-and-protein-electrophoresis-for-evidence-of-exposure-to-12-mink-pathogens-in-free-ranging-american-mink-neovison-vison-in-argentina
#10
Pablo Eduardo Martino, Luis Ernesto Samartino, Néstor Oscar Stanchi, Nilda Esther Radman, Eduardo Joaquín Parrado
BACKGROUND: Basic pathologic characteristics for farmed minks were previously reported worldwide. However, its status in the wild has not been studied in detail. OBJECTIVE: Serology and electrophoresis were carried out for evidence of exposure to 12 mink pathogens on two different locations. ANIMALS AND METHODS: Serology was done in 87 wild minks by reference techniques against Toxoplasma gondii, Encephalitozoon cuniculi, Neospora caninum, Brucella abortus, Mycobacterium bovis, Leptospira interrogans, canine distemper virus (CDV), canine adenovirus (CAV), canine parvovirus (CPV), rabies virus (RV), Influenza A virus (FLUAV) and Aleutian disease virus (ADV)...
December 2017: Veterinary Quarterly
https://www.readbyqxmd.com/read/28634474/different-dynamic-distribution-in-chickens-and-ducks-of-the-hypervirulent-novel-genotype-fowl-adenovirus-serotype-4-recently-emerged-in-china
#11
Qing Pan, Yanchao Yang, Zhibin Shi, Linlin Liu, Yulong Gao, Xiaole Qi, Changjun Liu, Yanping Zhang, Hongyu Cui, Xiaomei Wang
A hypervirulent fowl adenovirus serotype 4 (FAdV-4) has caused hepatitis-hydropericardium syndrome (HHS) with mortalities that range from 30 to 80% in outbreaks across China since 2015. The FAdV-4 strain was characterized as a novel genotype based on the specific genome characteristics. However, our understanding of the dynamic distribution, tissue tropism, and pathogenesis of the novel FAdV-4 is incomplete. In this study, a new, sensitive and FAdV-4-specific real-time PCR was developed and applied to detect the dynamic distribution of the duck origin, novel FAdV-4 strain HLJDAd15 in experimentally infected special-pathogen free (SPF) chickens and ducks...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28634161/oncolytic-adenovirus-expressing-bispecific-antibody-targets-t-cell-cytotoxicity-in-cancer-biopsies
#12
Joshua D Freedman, Joachim Hagel, Eleanor M Scott, Ioannis Psallidas, Avinash Gupta, Laura Spiers, Paul Miller, Nikolaos Kanellakis, Rebecca Ashfield, Kerry D Fisher, Margaret R Duffy, Leonard W Seymour
Oncolytic viruses exploit the cancer cell phenotype to complete their lytic life cycle, releasing progeny virus to infect nearby cells and repeat the process. We modified the oncolytic group B adenovirus EnAdenotucirev (EnAd) to express a bispecific single-chain antibody, secreted from infected tumour cells into the microenvironment. This bispecific T-cell engager (BiTE) binds to EpCAM on target cells and cross-links them to CD3 on T cells, leading to clustering and activation of both CD4 and CD8 T cells. BiTE transcription can be controlled by the virus major late promoter, limiting expression to cancer cells that are permissive for virus replication...
June 20, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28634031/does-atopy-affect-the-course-of-viral-pneumonia
#13
S B Erdem, D Can, S Girit, F Çatal, V Şen, S Pekcan, H Yüksel, A Bingöl, I Bostancı, D Erge, R Ersu
BACKGROUND: The presence of atopy is considered as a risk factor for severe respiratory symptoms in children. The objective of this study was to examine the effect of atopy on the course of disease in children hospitalised with viral pneumonia. METHODS: Children between the ages of 1 and 6 years hospitalised due to viral pneumonia between the years of 2013 and 2016 were included to this multicentre study. Patients were classified into two groups as mild-moderate and severe according to the course of pneumonia...
June 17, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28633302/mumps-clinical-diagnostic-uncertainty
#14
Fabio Magurano, Melissa Baggieri, Antonella Marchi, Paola Bucci, Giovanni Rezza, Loredana Nicoletti
During recent years, various mumps outbreaks have occurred among populations vaccinated for mumps worldwide. In Italy, improving routine coverage with two doses of measles, mumps and rubella (MMR) vaccine is one of the key strategies to eliminate measles and rubella. To monitor the effect of the vaccination programme on the population, the surveillance of these vaccine-preventable diseases has been implemented. This provided the opportunity to evaluate the accuracy of the clinical diagnosis of those diseases, including mumps...
June 12, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28631589/comparison-of-protein-expression-during-wild-type-and-e1b-55k-deletion-adenovirus-infection-using-quantitative-time-course-proteomics
#15
Yen Rong Fu, Andrew S Turnell, Simon Davis, Kate J Heesom, Vanessa C Evans, David A Matthews
Adenovirus has evolved strategies to usurp host-cell factors and machinery to facilitate its life cycle, including cell entry, replication, assembly and egress. Adenovirus continues, therefore, to be an important model system for investigating fundamental cellular processes. The role of adenovirus E1B-55k in targeting host-cell proteins that possess antiviral activity for proteasomal degradation is now well established. To expand our understanding of E1B-55k in regulating the levels of host-cell proteins, we performed comparative proteome analysis of wild-type, and E1B-55k-deletion, adenovirus-infected cancer cells...
June 20, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28630423/thymosin-beta-4-regulates-activation-of-hepatic-stellate-cells-via-hedgehog-signaling
#16
Jieun Kim, Jeongeun Hyun, Sihyung Wang, Chanbin Lee, Jae-Wook Lee, Eun-Yi Moon, Heejae Cha, Anna Mae Diehl, Youngmi Jung
The molecular mechanisms of thymosin beta-4 (TB4) involved in regulating hepatic stellate cell (HSC) functions remain unclear. Therefore, we hypothesize that TB4 influences HSC activation through hedgehog (Hh) pathway. HSC functions declined in a TB4 siRNA-treated LX-2. TB4 suppression down-regulated both integrin linked kinase (ILK), an activator of smoothened, and phosphorylated glycogen synthase kinase 3 beta (pGSK-3B), an inactive form of GSK-3B degrading glioblastoma 2 (GLI2), followed by the decreased expression of both smoothened and GLI2...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28630063/listeria-vectored-vaccine-expressing-the-mycobacterium-tuberculosis-30-kda-major-secretory-protein-via-the-constitutively-active-prfa-regulon-boosts-bcg-efficacy-against-tuberculosis
#17
Qingmei Jia, Barbara Jane Dillon, Saša Masleša-Galić, Marcus A Horwitz
A potent vaccine against tuberculosis, one of the world's deadliest diseases, is needed to enhance the immunity of people worldwide, most of whom have been vaccinated with the partially effective BCG vaccine. Here we investigate novel live attenuated recombinant Listeria monocytogenes (rLm) vaccines expressing the Mycobacterium tuberculosis (Mtb) 30 kDa major secretory protein (r30/Ag85B) (rLm30) as heterologous booster vaccines in animals primed with BCG. Using three attenuated Lm vectors, rLm ΔactA (LmI), rLm ΔactA ΔinlB (LmII), and rLm ΔactA ΔinlBprfA* (LmIII), we constructed five rLm30 vaccine candidates expressing the r30 linked in-frame to the Lm Listeriolycin O signal sequence and driven by the hly promoter (h30) or linked in-frame to the ActA N-terminus and driven by the actA promoter (a30)...
June 19, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28629901/identification-of-the-adenovirus-type-2-c-168-protein
#18
Arina Gromova, Hongxing Zhao, Anne Konzer, Alexander Falk, Ulf Pettersson, Sara Bergström Lind
A hitherto predicted but undetected protein, C-168, in adenovirus type 2 (Ad2) has been identified using mass spectrometry (MS) based proteomics. The gene of this 17.7kDa protein is located on the forward strand in the major late transcription unit between base pairs 9294 and 9797. A tryptic peptide, derived from the C-terminal part of the protein, was identified with high amino acid sequence coverage. A candidate splice site for the corresponding mRNA is also presented. The protein sequence is unusual with repeats of serine, glycine and arginine...
June 16, 2017: Virus Research
https://www.readbyqxmd.com/read/28629877/the-effect-of-a-genetic-variant-on-quantitative-real-time-pcr-in-a-case-of-disseminated-adenovirus-infection
#19
Thomas J Gniadek, Michael T Forman, Isabella Martin, Ravit Arav-Boger, Alexandra Valsamakis
A patient developed disseminated adenovirus infection following bone marrow transplant. TaqMan real-time PCR showed reduced maximum fluorescence in the amplification curve from all plasma samples. Sequencing revealed three single nucleotide mismatches between the TaqMan probe and probe binding region. Real-time PCR with probe matching the isolate sequence showed normal amplification and a higher copy number result.
June 1, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28628912/liver-kinase-b1-amp-activated-protein-kinase-pathway-activation-attenuated-the-progression-of-endotoxemia-in-the-diabetic-mice
#20
Yan Yang, Ruolan Dong, Danli Hu, Zhihui Chen, Menglu Fu, Dao Wen Wang, Xizhen Xu, Ling Tu
BACKGROUND/AIMS: Sepsis is a common disease that continues to increase in prevalence worldwide, and diabetes mellitus may make the situation worse. This study was designed to determine the role of Liver Kinase B1 (LKB1)/adenosine monophosphate-activated protein kinase (AMPK) signaling pathway in diabetic mice complicated with systemic endotoxemia. METHODS: The effects of LKB1/AMPK signaling pathway activation on endotoxemia were investigated in streptozotocin induced diabetic mice (STZ-mice) and db/db diabetic mice...
June 19, 2017: Cellular Physiology and Biochemistry
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