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https://www.readbyqxmd.com/read/29334500/overexpression-of-%C3%A2%C2%B5-opioid-receptors-in-peripheral-afferents-but-not-in-combination-with-enkephalin-decreases-neuropathic-pain-behavior-and-enhances-opioid-analgesia-in-mouse
#1
Amanda H Klein, Husam K Mohammad, Rabiah Ali, Brad Peper, Steven P Wilson, Srinivasa N Raja, Matthias Ringkamp, Sarah Sweitzer
BACKGROUND: The current study used recombinant herpes simplex virus type I to increase expression of µ-opiate receptors and the opioid ligand preproenkephalin in peripheral nerve fibers in a mouse model of neuropathic pain. It was predicted that viral vector delivery of a combination of genes encoding the µ-opioid receptor and preproenkephalin would attenuate neuropathic pain and enhance opioid analgesia. The behavioral effects would be paralleled by changes in response properties of primary afferent neurons...
January 15, 2018: Anesthesiology
https://www.readbyqxmd.com/read/29334246/screening-of-north-east-mexico-medicinal-plants-with-activities-against-herpes-simplex-virus-and-human-cancer-cell-line
#2
David Silva-Mares, Veronica M Rivas-Galindo, Ricardo Salazar-Aranda, Luis Alejandro Pérez-Lopez, Noemí Waksman De Torres, Jonathan Pérez-Meseguer, Ernesto Torres-Lopez
The plants examined in this study have previous biological activity reports indicating the possibility of found activity against herpes and cancer cell. The aim of this contribution was to carry out a screening of Juglans mollis (Juglandaceae), Persea americana (Lauraceae), Hamelia patens (Rubiaceae), Salvia texana (Lamiaceae), Salvia ballotaeflora (Lamiaceae), Ceanothus coeruleus (Rhamnaceae), Chrysactinia mexicana (Asteraceae) y Clematis drummondii (Ranunculaceae), against HeLa cells, VHS-1 and VHS-2. The method MTT was used to determine the 50% cytotoxic concentration (CC50), in Vero and HeLa cell lines...
January 15, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29334191/exogenous-oestrogen-inhibits-genital-transmission-of-cell-associated-hiv-1-in-dmpa-treated-humanized-mice
#3
Nirk E Quispe Calla, Rodolfo D Vicetti Miguel, Melissa E Glick, Jesse J Kwiek, Janelle M Gabriel, Thomas L Cherpes
INTRODUCTION: HIV affects more women than any other life-threatening infectious agent, and most infections are sexually transmitted. HIV must breach the female genital tract mucosal barrier to establish systemic infection, and clinical studies indicate virus more easily evades this barrier in women using depot-medroxyprogesterone acetate (DMPA) and other injectable progestins for contraception. Identifying a potential mechanism for this association, we learned DMPA promotes susceptibility of wild-type mice to genital herpes simplex virus type 2 (HSV-2) infection by reducing genital tissue expression of the cell-cell adhesion molecule desmoglein-1 (DSG-1) and increasing genital mucosal permeability...
January 2018: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/29332157/acanthamoeba-keratitis-in-porto-alegre-southern-brazil-28-cases-and-risk-factors
#4
Denise Leal Dos Santos, Sergio Kwitko, Diane Ruschel Marinho, Bruno Schneider de Araújo, Claudete Inês Locatelli, Marilise Brittes Rott
The increasing use of contact lenses worldwide has led to an increase in cases of Acanthamoeba keratitis, which are often associated with inappropriate cleaning of contact lenses and lens cases. This study aimed to retrospectively review 28 cases of Acanthamoeba keratitis in Porto Alegre (southern Brazil) and identify the risk factors and clinical outcomes of affected patients. Most patients had higher education (66.6%), all were users of contact lenses, mostly women (67.9%). Most patients were soft contact lens wearers (66...
January 14, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29327237/regional-age-and-respiratory-secretion-specific-prevalence-of-respiratory-viruses-associated-with-asthma-exacerbation-a-literature-review
#5
REVIEW
Xue-Yan Zheng, Yan-Jun Xu, Wei-Jie Guan, Li-Feng Lin
Despite increased understanding of how viral infection is involved in asthma exacerbations, it is less clear which viruses are involved and to what extent they contribute to asthma exacerbations. Here, we sought to determine the prevalence of different respiratory viruses during asthma exacerbations. Systematic computerized searches of the literature up to June 2017 without language limitation were performed. The primary focus was on the prevalence of respiratory viruses, including AdV (adenovirus), BoV (bocavirus), CoV (coronavirus), CMV (cytomegalovirus), EnV (enterovirus), HSV (herpes simplex virus), IfV (influenza virus), MpV (metapneumovirus), PiV (parainfluenzavirus), RV (rhinovirus) and RSV (respiratory syncytial virus) during asthma exacerbations...
January 11, 2018: Archives of Virology
https://www.readbyqxmd.com/read/29326371/mycoplasma-pneumoniae-infection-presenting-as-stroke-and-meningoencephalitis-with-aortic-and-subclavian-aneurysms-without-pulmonary-involvement
#6
Pournamy Sarathchandran, Abubaker Al Madani, Ayman M Alboudi, Jihad Inshasi
A 39-year-old Philipino man presented with acute onset fever and headache. Neurological examination was normal except for neck stiffness. There was no history of chest pain, cough or breathlessness. Cerebrospinal fluid (CSF) showed a mild increase in protein with normal sugar and lymphocytic pleocytosis. CSF PCR for herpes simplex and varicella zoster virus was negative. He developed acute right haemiplegia a week after hospitalisation. MRI showed acute infarct in the left centrum semiovale. His angiogram showed aneurysm in the left subclavian artery and aortic arch...
January 11, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29321311/herpes-simplex-virus-1-mutant-with-point-mutations-in-ul39-is-impaired-for-acute-viral-replication-in-mice-establishment-of-latency-and-explant-induced-reactivation
#7
Heba H Mostafa, Thornton W Thompson, Adam J Konen, Steve D Haenchen, Joshua G Hilliard, Stuart J Macdonald, Lynda A Morrison, David J Davido
In the process of generating HSV-1 mutants in the viral regulatory gene encoding infected cell protein 0 (ICP0), we isolated a viral mutant, termed KOS-NA, that was severely impaired for acute replication in the eyes and trigeminal ganglia (TG) of mice, defective in establishing a latent infection, and reactivated poorly from explanted TG. To identify the secondary mutation(s) responsible for the impaired phenotypes of this mutant, we sequenced the KOS-NA genome and noted that it contained two nonsynonymous mutations in UL39, which encodes the large subunit of ribonucleotide reductase, ICP6...
January 10, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29317068/etiological-mechanism-of-iridocorneal-endothelial-ice-syndrome-may-involve-infection-of-herpes-simplex-virus-hsv-and-integration-of-viral-genes-into-human-genome
#8
Fei Li, Yaoming Liu, Yi Sun, Xiulan Zhang
Iridocorneal (ICE) syndrome is a rare ocular disease characterized by abnormal proliferation of corneal endothelial cells, progressive obstruction of irido-corneal angle and atrophy of iris. ICE syndrome progressed slowly, but can cause serious complications such as secondary glaucoma in late stage. Because the etiology of ICE syndrome is not clear, there is still no effective treatment in clinical practice. Previous studies have detected herpes simplex virus (HSV) DNA inside patient's aqueous humor. However, no further explanation for HSV-related etiology of ICE syndrome was established...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29315479/long-term-management-of-moderate-to-severe-atopic-dermatitis-with-dupilumab-and-concomitant-topical-corticosteroids-liberty-ad-chronos-a-critical-appraisal
#9
J Thomson, A G H Wernham, H C Williams
AIM: Blauvelt et al. (The Lancet 2017; 389: 2287-303) aimed to compare the long-term efficacy and safety of dupilumab with medium-potency topical corticosteroids (TCS) versus placebo with TCS in adults with moderate-to-severe atopic dermatitis (AD). SETTING AND DESIGN: This multicentre randomised, double-blinded, placebo-controlled trial was conducted in hospitals, clinics and academic institutions across 161 sites in 14 countries. STUDY EXPOSURE: Adults with moderate-to-severe AD were randomly assigned (3:1:3) to receive subcutaneous dupilumab 300mg once weekly (qw) plus TCS, dupilumab 300mg every 2 weeks (q2w) plus TCS, or placebo plus TCS until week-52...
January 6, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29315221/introduction-of-exogenous-hsv-tk-suicide-gene-increases-safety-of-keratinocyte-derived-induced-pluripotent-stem-cells-by-providing-genetic-emergency-exit-switch
#10
Maciej Sułkowski, Paweł Konieczny, Paula Chlebanowska, Marcin Majka
Since their invention in 2006, induced Pluripotent Stem (iPS) cells remain a great promise for regenerative medicine circumventing the ethical issues linked to Embryonic Stem (ES) cell research. iPS cells can be generated in a patient-specific manner as an unlimited source of various cell types for in vitro drug screening, developmental biology studies and regenerative use. Having the capacity of differentiating into the cells of all three primary germ layers, iPS cells have high potential to form teratoma tumors...
January 9, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29313728/the-potential-of-currently-unavailable-herpes-virus-vaccines
#11
Július Rajcáni, Ferenc Bánáti, Kálmán Szenthe, Susan Szathmary
Despite overwhelming experimental work, there are no licensed vaccines against the most frequent Alphaherpesviruses, namely herpes simplex virus 1 and 2 (HSV1 and 2) nor against the Epstein-Barr virus (EBV), a member of the subfamily Gammaherpesvirus. Areas covered: Since the DNAs of both HSVs reside in the regional sensory ganglia in a latent state (i.e. as circularized episomal molecules), a corresponding vaccine might be useful for immunotherapy rather than prevention of primary infection. Here we describe the design of a purified subunit vaccine (a mix of at least 3 glycoproteins) as well as the preparation and efficacy of a recombinant fusion protein consisting of the gD ectodomain from our domestic attenuated HSV1 strain HSZP...
January 9, 2018: Expert Review of Vaccines
https://www.readbyqxmd.com/read/29310062/are-infectious-agents-involved-in-the-pathogenesis-of-postpartum-psychosis
#12
Lot D de Witte, Gijsje Snijders, Manja Litjens, Astrid M Kamperman, Steven A Kushner, René S Kahn, Veerle Bergink
BACKGROUND: Since postpartum psychosis has been linked to activation of the immune system, it has been hypothesized that infectious agents may be involved in the pathogenesis of this disorder. We therefore investigated whether exposure to pathogens that can infect the central nervous system is increased in patients with postpartum psychosis. METHODS: We measured the prevalence and titers of immunoglobulin G (IgG) and M (IgM) to herpes simplex virus type 1 (HSV-1) and 2 (HSV-2), Epstein-Barr virus (EBV), cytomegalovirus (CMV) and Toxoplasma Gondii (TG) in a cohort of patients with postpartum psychosis (n = 81) and compared these to matched postpartum controls...
January 3, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29309427/distinct-temporal-roles-for-the-promyelocytic-leukaemia-pml-protein-in-the-sequential-regulation-of-intracellular-host-immunity-to-hsv-1-infection
#13
Thamir Alandijany, Ashley P E Roberts, Kristen L Conn, Colin Loney, Steven McFarlane, Anne Orr, Chris Boutell
Detection of viral nucleic acids plays a critical role in the induction of intracellular host immune defences. However, the temporal recruitment of immune regulators to infecting viral genomes remains poorly defined due to the technical difficulties associated with low genome copy-number detection. Here we utilize 5-Ethynyl-2'-deoxyuridine (EdU) labelling of herpes simplex virus 1 (HSV-1) DNA in combination with click chemistry to examine the sequential recruitment of host immune regulators to infecting viral genomes under low multiplicity of infection conditions...
January 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29306975/combination-of-mppa-pdt-and-hsv1-tk-gcv-gene-therapy-on-prostate-cancer
#14
Liming Liang, Wenxiang Bi, Weiwen Chen, Yani Lin, Yuanyuan Tian
We combined pyropheophorbide-a methyl ester, photodynamic therapy (MPPa-PDT), 670 ± 10 nm, 4 mW/cm2, with herpes simplex virus type 1 thymidine kinase/ganciclovir (HSV1-TK/GCV) to improve the therapeutic effect. We built HSV1-TK expression vector GV230-TK and we observed a bright green fluorescence under fluorescence microscope. It indicated the recombinant plasmid was transfected into PC-3M prostate cancer cells successfully. As the abundant glucose-regulated protein 78 (GRP78) promoter in PC-3M cells can cause active expression of HSV1-TK, cell protein was collected for western blot to determine the expression of HSV1-TK...
January 6, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29305707/transcriptional-retargeting-of-herpes-simplex-virus-for-cell-specific-replication-to-control-cancer
#15
REVIEW
Weihua Lou, Fang Ji, Jianing Fu, Zhiqiang Han, Wen Di, Ning Zhang
INTRODUCTION: Oncolytic virotherapy has emerged as a novel frontier in the treatment of cancer. Among the viruses that entered clinical trials are the oncolytic herpes simplex virus-1 (HSV-1). Current oncolytic HSV-1 approved for clinical practice, and those in clinical trials are attenuated viruses, often deleted in the neurovirulence gene γ134.5, and in additional genes, which may result in a much more attenuated virus with reduced replication efficiency. Therefore, the transcriptional retargeting strategy by modifying the regulator elements flanking essential viral genes to achieve tumor-specific replication while maintaining as much of the viral genome has been representing alternative promising oncolytic virotherapy modality...
January 5, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29305292/corneal-nerve-regeneration-after-herpes-simplex-keratitis-an-in-vivo-confocal-microscopy-study
#16
Hamid-Reza Moein, Ahmad Kheirkhah, Rodrigo T Muller, Andrea C Cruzat, Deborah Pavan-Langston, Pedram Hamrah
PURPOSE: To evaluate the long-term alterations in corneal nerves in patients with herpes simplex virus (HSV) keratitis using in vivo confocal microscopy (IVCM). DESIGN: Prospective longitudinal, cross sectional. METHODS: This study included 16 patients with history of HSV keratitis and 15 age-matched normal controls. Slit-scanning IVCM was performed in all subjects at baseline and then after a mean follow-up of 37.3 ± 1.7 months in the patient group...
January 2, 2018: Ocular Surface
https://www.readbyqxmd.com/read/29305044/functional-failure-of-tlr3-and-its-signaling-components-contribute-to-herpes-simplex-encephalitis
#17
REVIEW
Matylda Barbara Mielcarska, Magdalena Bossowska-Nowicka, Felix Ngosa Toka
Herpes simplex encephalitis (HSE) is a severe neurological disease in children and adults caused by herpes simplex virus. This review discusses recent findings on the role of Toll-like receptor 3 (TLR3) deficiencies in the HSE development. Critical checkpoints in the TLR3 signaling that contribute to innate response are discussed, including the importance of TLR3 ligand recognition site and transportation in the cell. We also indicate unresolved issues in the TLR3 functioning that might lead to thorough understanding of immunity during HSE...
December 18, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29304174/importin-%C3%AE-1-is-required-for-nuclear-import-of-herpes-simplex-virus-proteins-and-capsid-assembly-in-fibroblasts-and-neurons
#18
Katinka Döhner, Ana Ramos-Nascimento, Dagmara Bialy, Fenja Anderson, Ana Hickford-Martinez, Franziska Rother, Thalea Koithan, Kathrin Rudolph, Anna Buch, Ute Prank, Anne Binz, Stefanie Hügel, Robert Jan Lebbink, Rob C Hoeben, Enno Hartmann, Michael Bader, Rudolf Bauerfeind, Beate Sodeik
Herpesviruses are large DNA viruses which depend on many nuclear functions, and therefore on host transport factors to ensure specific nuclear import of viral and host components. While some import cargoes bind directly to certain transport factors, most recruit importin β1 via importin α. We identified importin α1 in a small targeted siRNA screen to be important for herpes simplex virus (HSV-1) gene expression. Production of infectious virions was delayed in the absence of importin α1, but not in cells lacking importin α3 or importin α4...
January 5, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29299800/different-effects-of-the-immunostimulatory-drug-stimforte-on-infections-of-hepatitis-c-virus-and-herpes-simplex-virus-type-1
#19
D G Maldov, V L Andronova, S S Grigorian, E I Isaeva, P G Deryabin, D V Mishin, A A Balakina, A V Ilyichev, A A Terentyev, G A Galegov
Stimforte, an immune response-stimulating preparation, is active with respect to hepatitis C virus (HCV) and herpes simplex virus type I (HSV-1). The effects of Stimforte in animals infected with either HCV or HSV-1 are fundamentally different. In mice with acute herpes virus infection, Stimforte administration leads to a higher activity of natural killer cells and cytotoxic lymphocytes, and the amount of interferon (IFN) λ grows. In mice infected with HCV, Stimforte administration results in a significant increase in IFN-β but not IFN-λ in blood and affected organs...
November 2017: Doklady Biological Sciences: Proceedings of the Academy of Sciences of the USSR, Biological Sciences Sections
https://www.readbyqxmd.com/read/29299190/evaluation-of-microbiota-associated-with-herpesviruses-in-active-sites-of-generalized-aggressive-periodontitis
#20
Claudio Passariello, Pierangelo Gigola, Luca Testarelli, Monica Puttini, Serena Schippa, Stefano Petti
Aims: The present study aimed to investigate microbial patterns associated with disease progression and coinfection by different Herpesviruses in generalized aggressive periodontitis (GAP). Methods: Microbiological samples were obtained from active (AS) and non-active (n-AS) sites in 165 subjects affected by GAP and were analyzed for 40 bacterial species by the Checkerboard DNA-DNA Hybridization technique and for Herpes simplex 1 (HSV-1), Human Cytomegalovirus (CMV), and Epstein Bar virus (EBV) by PCR...
April 2017: Annali di Stomatologia
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