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Akiko Harada, Junji Uchino, Taishi Harada, Noriaki Nakagaki, Junko Hisasue, Masaki Fujita, Koichi Takayama
Malignant mesothelioma (MM) incidence is increasing drastically worldwide as an occupational disease resulting from asbestos exposure. However, no curative treatment for MM of advanced stage is available. Thus, new therapeutic approaches for MM are required. Because malignant pleural mesothelioma (MPM) cells spread along the pleural surface in most patients, MPM can be targeted using intrapleural therapeutic approaches. In this study, we investigated the effectiveness of the intrapleural instillation of a replication-competent adenovirus as an oncolytic agent against MPM...
October 26, 2016: Cancer Science
Tetsuro Komatsu, Kyosuke Nagata, Harald Wodrich
In recent years, it has been suggested that host cells exert intrinsic mechanisms to control nuclear replicating DNA viruses. This cellular response involves nuclear antiviral factors targeting incoming viral genomes. Herpes simplex virus-1 (HSV-1) is the best-studied model in this context, and it was shown that upon nuclear entry HSV-1 genomes are immediately targeted by components of promyelocytic leukemia nuclear bodies (PML-NBs) and the nuclear DNA sensor IFI16 (interferon gamma inducible protein 16). Based on HSV-1 studies, together with limited examples in other viral systems, these phenomena are widely believed to be a common cellular response to incoming viral genomes, although formal evidence for each virus is lacking...
October 22, 2016: Viruses
Patrick D Slaine, James G Ackford, Andrew M Kropinski, Robert A Kozak, Peter J Krell, Éva Nagy
Fowl aviadenoviruses, many of which are of importance in veterinary medicine, are classified into 5 species. In this study, a pathogenic isolate and a nonpathogenic isolate of fowl aviadenovirus serotype 11 (FAdV-11) of species Fowl aviadenovirus D were characterized. Growth rates were analyzed for the 2 isolates, showing notable differences. The complete genomic sequences of the viruses were fully determined and were analyzed. The genomes of the 2 isolates showed 98.1% sequence identity and revealed 6 nonsynonymous mutations between the Ontario isolates...
July 12, 2016: Canadian Journal of Microbiology
Jiangao Zhu, Huiyao Chen, Xiaopei Huang, Songfu Jiang, Yiping Yang
Viral hepatitis remains a global health challenge despite recent progress in the development of more effective therapies. Although virus-specific CD8(+) and CD4(+) T cell responses are essential for viral clearance, it remains largely unknown what regulates T cell-mediated viral clearance. Thus, a better understanding of the regulation of anti-viral T cell immunity would be critical for the design of more effective therapies for viral hepatitis. Using a model of adenovirus-induced hepatitis, here we showed that adenoviral infection induced recruitment of Ly6C(hi) monocytes to the liver in a CCR2-dependent manner...
October 20, 2016: JCI Insight
Francesca Tocchioni, Chiara Tani, Laura Bartolini, Maria Moriondo, Francesco Nieddu, Patrizia Pecile, Chiara Azzari, Antonio Messineo, Marco Ghionzoli
Bacterial growth of peritoneal fluid specimens obtained during surgical procedures for acute appendicitis may be useful to optimize further antibiotic therapy in complicated cases. DNA amplification represents a fast technique to detect microbial sequences. We aimed to compare the potential of DNA amplification versus traditional bacterial growth culture highlighting advantages and drawbacks in a surgical setting. Peritoneal fluid specimens were collected during surgery from 36 children who underwent appendectomy between May and December 2012...
September 19, 2016: Pediatric Reports
John D Hulleman, Joseph C Genereux, Annie Nguyen
Fibulin-3 (F3) is an important, disulfide-rich, extracellular matrix glycoprotein that has been associated with a number of diseases ranging from cancer to retinal degeneration. An Arg345Trp (R345W) mutation in F3 causes the rare, autosomal dominant macular dystrophy, Malattia Leventinese. The purpose of this study was to identify and validate novel intracellular interacting partners of wild-type (WT) and R345W F3 in retinal pigment epithelium cells. We used stable isotope labeling by amino acids in cell culture (SILAC) to generate 'heavy' and 'light' isotopically labeled ARPE-19 cell populations which were subsequently infected with adenovirus encoding for FLAG-tagged (FT) WT or R345W F3...
October 21, 2016: Experimental Eye Research
Felix S Dube, Mamadou Kaba, F J Lourens Robberts, Lemese Ah Tow, Sugnet Lubbe, Heather J Zar, Mark P Nicol
BACKGROUND: Lower respiratory tract infection in children is increasingly thought to be polymicrobial in origin. Children with symptoms suggestive of pulmonary tuberculosis (PTB) may have tuberculosis, other respiratory tract infections or co-infection with Mycobacterium tuberculosis and other pathogens. We aimed to identify the presence of potential respiratory pathogens in nasopharyngeal (NP) samples from children with suspected PTB. METHOD: NP samples collected from consecutive children presenting with suspected PTB at Red Cross Children's Hospital (Cape Town, South Africa) were tested by multiplex real-time RT-PCR...
October 24, 2016: BMC Infectious Diseases
Wen-Shu Ma, Jing-Guang Ma, Li-Na Xing
This study aims to explore the efficacy and safety of recombinant human adenovirus p53 (rAd-p53) combined with chemoradiotherapy (CRT) in the treatment of recurrent nasopharyngeal carcinoma (NPC). A total of 162 recurrent NPC patients were selected and divided randomly into the rAd-p53+CRT, CRT, and rAd-p53 groups. An electrochemical luminescence immune analyzer was used to detect serum levels of tumor markers (carcinoembryonic antigen, cancer antigen 199, and cancer antigen 153). Efficacy evaluation was in accordance with Response Evaluation Criteria in Solid Tumor...
October 21, 2016: Anti-cancer Drugs
Yayun Jiang, Ting Wang, Jinshu Wang, Jing Xia, Liyao Gou, Mengyao Liu, Yan Zhang
Objective To investigate the effect of overexpressed inhibitor of β-catenin and T cell factor (ICAT) on the proliferation and migration of human cervical cancer Caski cells. Methods Caski cells were transfected with ICAT recombinant adenovirus (AdICAT). The levels of ICAT mRNA and protein were detected by quantitative real-time PCR (qRT-PCR) and Western blotting, respectively. Effect of ICAT overexpression on proliferation, cell cycle and migration in Caski cells was respectively evaluated by MTT assay, flow cytometry and Transwell(TM) migration assays...
November 2016: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
Junxiong Cheng, Dan Guo, Xi Chen, Ting Wang, Jiayi Huang
Objective To construct a recombinant adenovirus expressing siRNA targeting human sclerostin (SOST) gene, and test the function of MG-63 cells while co-cultured with MDA-MB-231 cells infected by Ad-siSOST. MethodsAccording to the RNA sequence of SOST gene, two pairs of primers which contained 3 siRNA sequences were designed, and a pB2B plasmid was taken as template to amplify 2 DNA sequences. Both of the 2 DNA sequences were ligated to pAdTrace-OK by Gibson DNA Assembly way. After homologous recombination between recombinant shuttle plasmid and adenovirus vector plasmid, the adenovirus was packaged in HEK-293 cells...
November 2016: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
Sandra Pinkert, Babette Dieringer, Sabine Diedrich, Heinz Zeichhardt, Jens Kurreck, Henry Fechner
Coxsackie-B-viruses (CVB) cause a wide variety of diseases, ranging from mild syndromes to life-threatening conditions such as pancreatitis, myocarditis, meningitis and encephalitis. Especially newborns and young infants develop severe diseases and long-term sequelae may occur among survivors. Due to lack of specific antiviral therapy the current treatment of CVB infection is limited to symptomatic treatment. Here we analyzed the antiviral activity of a soluble receptor fusion protein, containing the extracellular part of the coxsackievirus and adenovirus receptor (CAR) fused to the constant domain of the human IgG - sCAR-Fc - against laboratory and clinical CVB strains...
October 20, 2016: Antiviral Research
Dana J Hawkinson, Michael G Ison
Although advances in immunosuppression and antimicrobial prophylaxis have led to improved patient and graft survival, respiratory viruses continue to be a common cause of morbidity and mortality in immunocompromised populations. We describe the clinical manifestations, diagnosis and treatment options for influenza, respiratory syncytial virus and adenovirus infection in the kidney transplant population.
September 2016: Seminars in Nephrology
Ge Shi, Ting-Ting Wang, Juan-Hua Quan, Shi-Jie Li, Man-Feng Zhang, Pei-Yu Liao, Yi-Ming Fan
BACKGROUND: The transcription factor Sox9 is pivotal in the morphogenesis of hair follicles, but its role in sebocytes is poorly understood. OBJECTIVE: We investigated the effect of Sox9 on human sebocyte proliferation, differentiation and lipogenesis. METHODS: Sox9 expression was detected by immunohistochemistry in normal skin and acne lesion. Primary cultured human sebocytes were transfected with adenovirus expressing GFP-Sox9 or Sox9 microRNA...
October 13, 2016: Journal of Dermatological Science
G Kamkamidze, I Migriauli, D Razmadze, M Kochlamazashvili, K Mulkijanyan, M Butsashvili
The main objective of this investigation was to develop and pilot a real-time Polymerase Chain Reaction (rt-PCR) diagnostic system for rapid and simultaneous identification of pathogens with a particular emphasis on diarrheal disease diagnostics. The diarrheal diseases were selected as a target for the pilot because they constitute a primary public health priority in Georgia and worldwide. The product developed by our research team "Neo_PCR_Diagnostics" represents an original system for the identification of pathogens associated with gastrointestinal tract infections and diarrhea...
September 2016: Georgian Medical News
Suifang Ye, David M Whiley, Robert S Ware, Theo P Sloots, Carl D Kirkwood, Keith Grimwood, Stephen B Lambert
Several viruses are associated with gastroenteritis in infants. This pilot study, nested within a larger community-based project of early childhood infections, collected daily symptom data and 511 weekly stool samples from five healthy, fully-vaccinated, term infants from birth until their second birthday. Real-time PCR assays were used to detect six enteric viruses. Frequent, silent shedding of one or more of the six viruses was observed, particularly involving adenovirus where shedding could be for up to 3-months without gastrointestinal symptoms...
October 21, 2016: Journal of Medical Virology
Jasmine Rae Frost, Oladunni Olanubi, Stephen Ka-Hon Cheng, Andrea Soriano, Leandro Crisostomo, Alennie Lopez, Peter Pelka
Human adenovirus infects terminally differentiated cells and to replicate it must induce S-phase. The chief architects that drive adenovirus-infected cells into S-phase are the E1A proteins, with 5 different isoforms expressed during infection. E1A remodels the infected cell by associating with cellular factors and modulating their activity. The C-terminus of E1A is known to bind to only a handful of proteins. We have identified a novel E1A C-terminus binding protein, Ku70 (XRCC6), which was found to bind directly within the CR4 of E1A from human adenovirus type 5...
October 18, 2016: Virology
L A Rojas, R Moreno, H Calderón, R Alemany
There is great skepticism in the capability of adenovirus vectors and oncolytic adenoviruses to reach specific organs or tumors upon systemic administration. Besides antibodies, the presence of CAR (coxsackie and adenovirus receptor) in human erythrocytes has been postulated to sequester CAR-binding adenoviruses, commonly used in gene therapy and oncolytic applications. The use of non-CAR-binding fibers or serotypes has been postulated to solve this limitation. Given the lack of integrins in erythrocytes and therefore of internalization of the CAR-bound virus, we hypothesized that the interaction of adenovirus type 5 (Ad5) with CAR in human erythrocytes could be reversible...
October 21, 2016: Cancer Gene Therapy
H Kumon, Y Ariyoshi, K Sasaki, T Sadahira, M Araki, S Ebara, H Yanai, M Watanabe, Y Nasu
As the First-In-Human study of in situ gene therapy using an adenovirus vector carrying the human REIC (reduced expression in immortalized cell)/Dkk-3 gene (Ad-REIC), we conducted neoadjuvant intraprostatic injections in patients with high-risk localized prostate cancer undergoing radical prostatectomy (RP). Patients with recurrence probability of 35% or more within 5 years following RP, as calculated by Kattan's nomogram, were enrolled. Patients received two ultrasound-guided intratumoral injections at 2-week intervals, followed by RP 6 weeks after the second injection...
October 21, 2016: Cancer Gene Therapy
Miao Yu, Qi Long, Huan-Huan Li, Wei Liang, Yu-Hua Liao, Jing Yuan, Xiang Cheng
Myocardial injuries in viral myocarditis (VMC) are caused by viral infection and related autoimmune disorders. Recent studies suggest that IL-9 mediated both antimicrobial immune and autoimmune responses in addition to allergic diseases. However, the role of IL-9 in viral infection and VMC remains controversial and uncertain. In this study, we infected Balb/c mice with Coxsackievirus B3 (CVB3), and found that IL-9 was enriched in the blood and hearts of VMC mice on days 5 and 7 after virus infection. Most of IL-9 was secreted by CD8(+) T cells on day 5 and CD4(+) T cells on day 7 in the myocardium...
2016: Frontiers in Immunology
J Y Zhao, X J Shen, B F Zhang, Z Q Wang, S L Xia, X Y Huang, B L Xu
Objective: To investigate the infection status of human rotavirus, calicivirus, astrovirus and enteric adenovirus in children aged <5 years in disease surveillance areas in Henan province from 2013 to 2015. Methods: A total of 880 stool samples were collected from four sentinel hospitals and group A rotavirus was detected by ELISA and group A rotavirus G/P genotyping was performed with nested multiplex RT-PCR, while rotavirus (group B, C), calicivirus and astrovirus were detected by two-step multiplex RT-PCR and adenovirus were detected by PCR...
October 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
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