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https://www.readbyqxmd.com/read/28345027/pre-clinical-assessment-of-c134-a-chimeric-oncolytic-herpes-simplex-virus-in-mice-and-non-human-primates
#1
Kevin A Cassady, David F Bauer, Justin Roth, Melissa R Chambers, Trent Shoeb, Jennifer Coleman, Mark Prichard, G Yancey Gillespie, James M Markert
Oncolytic herpes simplex virus (oHSV) type I constructs are investigational anti-neoplastic agents for a variety of malignancies, including malignant glioma. Clinical trials to date have supported the safety of these agents even when directly administered in the CNS. Traditional pre-clinical US Food and Drug Administration (FDA) toxicity studies for these agents have included the use of two species, generally including murine and primate studies. Recently, the FDA has decreased its requirement of non-human primates as an animal model for ethical reasons, especially for established viral systems where there are good alternative model systems...
June 16, 2017: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/28344765/new-insights-on-thyroid-hormone-mediated-regulation-of-herpesvirus-infections
#2
REVIEW
Robert W Figliozzi, Feng Chen, S Victor Hsia
Thyroid hormone (T3) has been suggested to participate in the regulation of herpesvirus replication during reactivation. Clinical observations and in vivo experiments suggest that T3 are involved in the suppression of herpes virus replication. In vitro, differentiated LNCaP cells, a human neuron-like cells, further resisted HSV-1 replication upon addition of T3. Previous studies indicate that T3 controlled the expression of several key viral genes via its nuclear receptors in differentiated LNCaP cells. Additional observation showed that differentiated LNCaP cells have active PI3K signaling and inhibitor LY294002 can reverse T3-mediated repression of viral replication...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28344634/an-image-analysis-pipeline-for-automated-classification-of-imaging-light-conditions-and-for-quantification-of-wheat-canopy-cover-time-series-in-field-phenotyping
#3
Kang Yu, Norbert Kirchgessner, Christoph Grieder, Achim Walter, Andreas Hund
BACKGROUND: Robust segmentation of canopy cover (CC) from large amounts of images taken under different illumination/light conditions in the field is essential for high throughput field phenotyping (HTFP). We attempted to address this challenge by evaluating different vegetation indices and segmentation methods for analyzing images taken at varying illuminations throughout the early growth phase of wheat in the field. 40,000 images taken on 350 wheat genotypes in two consecutive years were assessed for this purpose...
2017: Plant Methods
https://www.readbyqxmd.com/read/28342892/comparison-of-three-cell-based-drug-screening-platforms-for-hsv-1-infection
#4
Leonardo D'Aiuto, Kelly Williamson, Peter Dimitrion, James McNulty, Carla E Brown, Chanti Babu Dokuburra, Alexander J Nielsen, Wen Jing Lin, Paolo Piazza, Mark E Schurdak, Joel Wood, Robert H Yolken, Paul R Kinchington, David C Bloom, Vishwajit L Nimgaonkar
Acyclovir (ACV) and its derivatives have been highly effective for treating recurrent, lytic infections with Herpes Simplex Virus, type 1 (HSV-1), but searches for additional antiviral drugs are motivated by recent reports of resistance to ACV, particularly among immunocompromised patients. In addition, the relative neurotoxicity of ACV and its inability to prevent neurological sequelae among HSV-1 encephalitis survivors compel searches for new drugs to treat HSV-1 infections of the central nervous system (CNS)...
March 22, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28341533/epidemiology-of-infectious-encephalitis-causes-in-2016
#5
REVIEW
A Boucher, J L Herrmann, P Morand, R Buzelé, Y Crabol, J P Stahl, A Mailles
We performed a literature search in the Medline database, using the PubMed website. The incidence of presumably infectious encephalitis is estimated at 1.5-7 cases/100,000 inhabitants/year, excluding epidemics. Infectious encephalitis and immune-mediated encephalitis share similar clinical signs and symptoms. The latter accounts for a significant proportion of presumably infectious encephalitis cases without any established etiological diagnosis; as shown from a prospective cohort study where 21% of cases were due to an immune cause...
March 21, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28340549/long-term-in-vivo-monitoring-of-adult-derived-human-liver-stem-progenitor-cells-by-bioluminescence-imaging-pet-and-contrast-enhanced-ct
#6
Mei-Ju Hsu, Julie Prigent, Pierre-Edouard Dollet, Joachim Ravau, Lionel Larbanoix, Gaetan Van Simaeys, Anne Bol, Vincent Grégoire, Serge Goldman, Gisèle Deblandre, Mustapha Najimi, Etienne Sokal, Catherine Lombard
Adult-derived human liver stem/progenitor cells (ADHLSCs) have the potential to alleviate liver injury. However, the optimal delivery route and long-term biodistribution of ADHLSCs remains unclear. In this paper, we used a triple fusion reporter system to determine the kinetic differences in the biodistribution of ADHLSCs following intrasplenic (IS) and intrahepatic (IH) administration in SCID-beige mice. ADHLSCs were transduced with a lentiviral vector expressing a triple-fusion reporter comprising renilla luciferase, monomeric red fluorescent protein and truncated HSV-1 thymidine kinase...
March 24, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28340537/study-on-a-3d-hydrogel-based-culture-model-for-characterizing-growth-of-fibroblasts-under-viral-infection-and-drug-treatment
#7
Xiaolu Zhu, Xianting Ding
Three-dimensional (3D) in vitro tissue models provide an approach for the systematic, repetitive, and quantitative study of drugs. In this study, we constructed an in vitro 3D acrylated hyaluronic acid (AHA) hydrogel model encapsulating fibroblasts, performed long-period 3D culture, and tested cellular topological changes and proliferation variation in the presence of herpes simplex virus-1 (HSV-1) as an infecting virus and acyclovir (ACV) as the treatment drug. The AHA hydrogels were formed by using Michael addition chemistry of bis-cysteine containing MMP-degradable cross-linker onto AHA prefunctionalized with cell adhesion peptides (RGD)...
March 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28339893/interpretation-of-hsv-positive-respiratory-specimens-using-quantitative-pcr
#8
Michelle Stram, Jansen Seheult, Chris Suciu, Melissa McCullough, Nahed Ismail, William Pasculle, Alan Wells
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28333902/proteflazid%C3%A2-and-local-immunity-in-diseases-caused-by-human-papillomavirus-herpesvirus-and-mixed-urogenital-infections
#9
Vjacheslav Kaminsky, Viktor Chernyshov, Oleksandr Grynevych, Vasil Benyuk, Alla Kornatskaya, Miroslava Shalko, Igor Usevich, Oleg Revenko, Maxim Shepetko, Ludmila Solomakha
Reporting of clinical trials results for Proteflazid® in the drug formulation suppositories and vaginal swabs soaked in the solution of the drug to the local immunity of the female reproductive tract. AIM: The aim of study was to examine the state of local immunity in the reproductive tract of women with sexually transmitted diseases caused by human papillomavirus, herpes viruses (Type 1, 2) and mixed infection (herpes viruses + chlamydia). MATERIALS AND METHODS: The trials involved 216 women with viral sexually transmitted diseases: Cervical Dysplasia associated with papillomavirus infection (HPV) (Group 1); Herpes genitalis type 1 (HSV- 1) and type 2 (HSV-1) (Group 2); mixed infection - HSV-1, HSV-2 and chlamydia (Group 3)...
March 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28332898/herpes-simplex-virus-1-and-cytomegalovirus-dnas-detection-in-the-inner-ear-of-implanted-patients-with-non-congenital-infection
#10
Walter Di Nardo, Roberta Anzivino, Paola Cattani, Rosaria Santangelo, Eugenio De Corso, Gaetano Paludetti
CONCLUSIONS: The detection of cytomegalovirus (CMV) and herpes simplex virus-1 (HSV-1) genome in perilymph of patients with negative serology or clinical history for congenital infections supports the hypothesis that Herpesviridae, even after acquired postnatal infections, could remain in latent phase in the spiral ganglion and damage the cochlea by a possible subsequent reactivation. Further studies are needed to identify the markers of such reactivation. OBJECTIVE: To identify the presence of certain viral species in the endolabyrinthic fluid of deaf patients with non-congenital infection...
March 23, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28332725/comparison-of-commercial-methods-of-immunoblot-elisa-and%C3%A2-chemiluminescent-immunoassay-for-detecting-type-specific-herpes-simplex-viruses-1-and-2-igg
#11
Fernando de Ory, María-Eulalia Guisasola, Pilar Balfagón, Juan Carlos Sanz
BACKGROUND: Serology for type-specific herpes simplex virus (HSV) is based on the use of the respective glycoprotein G (gG). METHODS: Chemiluminescent immunoassay (CLIA; BIO-FLASH(®) , Biokit, Spain), ELISA (HerpeSelect(®) , Focus, USA), and immunoblot (IB; Virotech, Germany) for detecting HSV-1- and HSV-2-specific IgG were compared using 384 serum samples received for HSV serology. The samples were classified as positive or negative according to a consensus criterion...
March 23, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28331843/curative-effect-of-hf10-on-liver-and-peritoneal-metastasis-mediated-by-host-antitumor-immunity
#12
Yoshihiro Hotta, Hideki Kasuya, Itzel Bustos, Yoshinori Naoe, Toru Ichinose, Maki Tanaka, Yasuhiro Kodera
BACKGROUND: HF10 is a highly attenuated type 1 herpes simplex virus (HSV) with proven effective oncolytic effect. Previous investigations have demonstrated that colon cancer mice model treated with HF10 not only had better survival but were also resistant to the reimplantation of the antitumor effect mediated by host antitumor immunity. Importantly, it has also been noted that in mice with antitumors implanted on both sides of the back, an injection of HF10 on only one side strongly restrains not only the injected antitumor but also the non-injected ones...
2017: Oncolytic Virotherapy
https://www.readbyqxmd.com/read/28331094/herpes-simplex-virus-ge-gi-and-us9-promote-both-envelopment-and-sorting-of-virus-particles-in-the-cytoplasm-of-neurons-two-processes-that-precede-anterograde-transport-in-axons
#13
Grayson DuRaine, Todd W Wisner, Paul Howard, David C Johnson
Herpes simplex virus (HSV) anterograde transport in neuronal axons is vital, allowing spread from latently-infected ganglia to epithelial tissues where viral progeny are produced in numbers allowing spread to other hosts. HSV membrane proteins gE/gI and US9 initiate the process of anterograde axonal transport ensuring that virus particles are transported from the cytoplasm into the most proximal segments of axons. These proteins do not appear to be important once HSV is inside axons. Previously we described HSV double mutants lacking both gE and US9 that failed to transport virus particles into axons...
March 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28329739/peptides-derived-from-glycoproteins-h-and-b-of-herpes-simplex-virus-type-1-and-herpes-simplex-virus-type-2-are-capable-of-blocking-herpetic-infection-in-vitro
#14
Abraham Cetina-Corona, Uriel López-Sánchez, Juana Salinas-Trujano, Alfonso Méndez-Tenorio, Blanca Lilia Barrón, Jesus Torres-Flores
AIMS: The aim of this study was to design peptides derived from glycoproteins H (gH) and B (gB) of herpes simplex viruses type 1 (HSV-1) and type 2 (HSV-2) with the potential to block herpetic infection and to evaluate their ability to inhibit HSV-1 and HSV-2 infection in vitro. METHODS: A library of continuous 15-25 residue stretches (CRSs) located at the surface of gH and gB from HSV-1 and HSV-2 was created. These CRSs were analyzed, and only those that were highly flexible and rich in charged residues were selected for the design of the antiviral peptides (AVPs)...
March 23, 2017: Intervirology
https://www.readbyqxmd.com/read/28329667/serious-infections-are-on-the-rise-in-us-inpatients-with-psoriasis
#15
Derek Y Hsu
Psoriasis is a chronic inflammatory skin disorder associated with immune dysregulation and use of systemic immunosuppressive treatments that may predispose toward serious infections. We sought to determine the rates of serious infections in hospitalized patients with psoriasis. We analyzed data from the 2002-2012 Nationwide Inpatient Sample, containing a 20% sample of all US hospitalizations. Psoriasis was determined by a validated algorithm using ICD-9-CM codes. In multivariate logistic regression models adjusting for socio-demographics, psoriasis was associated with multiple serious infections, including methicillin-resistant Staphylococcus aureus (odds ratio [95% confidence intervals] 1...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329270/hsv-2-acquisition-among-hiv-1-infected-adults-treated-with-tenofovir-as-part-of-combination-antiretroviral-therapy-results-from-the-actg-a5175-pearls-study
#16
Connie Celum, Ting Hong, Anne Cent, Deborah Donnell, Rhoda Morrow, Jared M Baeten, Cynthia Firnhaber, Beatriz Grinsztejn, Mina C Hosseinipour, Umesh Lalloo, Mulinda Nyirenda, Cynthia Riviere, Jorge Sanchez, Breno Santos, Khuanchai Supparatpinyo, James Hakim, N Kumarasamy, Thomas B Campbell
Objective: Tenofovir has in vitro activity against HSV-2 and reduced HSV-2 acquisition as pre-exposure prophylaxis. Whether tenofovir-containing antiretroviral therapy (ART) reduces HSV-2 acquisition is unknown. Design: Secondary analysis of ACTG A5175, a randomized, open-label study of three ART regimens among 1,571 participants. Methods: HSV-2 serostatus was assessed at baseline, exit and prior to ART change. Results: Of 365 HSV-2 seronegative persons, 68 acquired HSV-2 with 24 on tenofovir-containing ART and 44 on ART without tenofovir (HSV-2 incidence 6...
January 30, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28329211/therapeutic-vaccine-for-genital-herpes-simplex-virus-2-infection-findings-from-a-randomized-trial
#17
David I Bernstein, Anna Wald, Terri Warren, Kenneth Fife, Stephen Tyring, Patricia Lee, Nick Van Wagoner, Amalia Magaret, Jessica B Flechtner, Sybil Tasker, Jason Chan, Amy Morris, Seth Hetherington
Background.: Genital herpes simplex virus type 2 (HSV-2) infection causes recurrent lesions and frequent viral shedding. GEN-003 is a candidate therapeutic vaccine containing HSV-2 gD2ΔTMR and ICP4.2, and Matrix-M2 adjuvant. Methods.: Persons with genital herpes were randomized into three dose cohorts to receive three intramuscular doses 21 days apart of 10 µg, 30 µg, or 100 µg of GEN-003, antigens without adjuvant, or placebo. Participants obtained genital swabs twice-daily for HSV-2 detection and monitored genital lesions for 28-day periods at baseline and intervals after the last dose...
January 30, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28326469/hsv-1-interaction-to-3-o-sulfated-heparan-sulfate-in-mouse-derived-drg-explant-and-profiles-of-inflammatory-markers-during-virus-infection
#18
Harsh Sharthiya, Chanmoly Seng, T H Van Kuppevelt, Vaibhav Tiwari, Michele Fornaro
The molecular mechanism of herpes simplex virus (HSV) entry and the associated inflammatory response in the nervous system remain poorly understood. Using mouse-derived ex vivo dorsal root ganglia (DRG) explant model and single cell neurons (SCNs), in this study, we provided a visual evidence for the expression of heparan sulfate (HS) and 3-O-sulfated heparan sulfate (3-OS HS) followed by their interactions with HSV-1 glycoprotein B (gB) and glycoprotein D (gD) during cell entry. Upon heparanase treatment of DRG-derived SCN, a significant inhibition of HSV-1 entry was observed suggesting the involvement of HS role during viral entry...
March 21, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28325351/flexible-fiber-optic-high-speed-imaging-of-vocal-fold-vibration-a-preliminary-report
#19
Peak Woo, Peter Baxter
OBJECTIVE: High-speed video (HSV) imaging of vocal fold vibration has been possible only through the rigid endoscope. This study reports that a fiberscope-based high-speed imaging system may allow HSV imaging of naturalistic voicing. MATERIALS AND METHODS: Twenty-two subjects were recorded using a commercially available black and white high-speed camera (Photron Motion Tools, 256 × 120 pixel, 2000 frames per second, 8 second acquisition time). The camera gain is set to +6 db...
March 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28320502/hsv-1-icp27-represses-nf-%C3%AE%C2%BAb-activity-by-regulating-daxx-sumoylation
#20
Ji Ae Kim, Mi Sun Choi, Jung Sun Min, Inho Kang, Jeongho Oh, Jin Chul Kim, Jeong Keun Ahn
Herpes simplex virus type 1 ICP27 is a multifunctional protein which is responsible for viral replication, late gene expression, and reactivation from latency. It has been reported that ICP27 interacts with various cellular proteins including Daxx. However, the role of interaction between ICP27 and Daxx is largely unknown. Since Daxx has been reported to repress NF-κB activity, there is a possibility that ICP27 may influence the inhibitory effect of Daxx on NF-κB activity. In this study, we tested whether ICP27 affects NF-κB activity through its interaction with Daxx...
March 21, 2017: BMB Reports
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