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Herpes simplex 1

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https://www.readbyqxmd.com/read/27921084/the-prevalence-of-herpes-simplex-virus-type-1-and-2-infection-in-iran-a-meta-analysis
#1
REVIEW
Mina Malary, Ghasem Abedi, Zeinab Hamzehgardeshi, Mahdi Afshari, Mahmood Moosazadeh
BACKGROUND: Seroepidemiologic studies indicate a high prevalence of herpes simplex virus (HSV) infection. This infection leads to ophthalmic, dermatologic, oral, neurologic, vaginal and cervical problems. Different studies have been carried out to estimate the HSV seroprevalence in Iran. Combining the results of these studies would be useful for health policy-making. OBJECTIVE: This study aims to estimate the pooled prevalence of HSV infection using meta-analysis...
October 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/27913959/reaction-of-complement-factors-and-proteasomes-in-experimental-encephalitis
#2
Stefan Lange, Tomas Bergström, Ewa Johansson, Merna Oshalim, Ivar Lönnroth
Herpes simplex virus type 1 (HSV-1) encephalitis causes a deleterious inflammation and elevated intracranial pressure. As a step towards examining the origin of the inflammation, we here report the response of circulating proteasomes and complement factors in blood and cerebrospinal fluid (CSF) in rats infected with HSV-1. Infection was via the nasal route, with 1.1 × 10(4) plaque-forming units of HSV-1 strain 2762 given in one or both nostrils. A sandwich enzyme-linked immunosorbent assay was used to study the level of 26S proteasomes and their complex formation with complement factors 3 and 4...
December 2, 2016: Journal of Neurovirology
https://www.readbyqxmd.com/read/27911113/a-tribute-to-professor-steven-l-wechsler-1948-2016-the-man-and-the-scientist
#3
Anthony B Nesburn, Lbachir BenMohamed
Professor Steven L. Wechsler, a world-renowned eye researcher and virologist, passed away unexpectedly on June 12, 2016 at the age of 68. Many scientists came to know Professor Wechsler as a gifted researcher in the field of ocular Herpes Simplex Virus (HSV-1) latency, reactivation, and pathogenesis. Professor Wechsler published over 150 peer-reviewed scientific papers during his career, pushing forward the frontiers of his field eye research. His colleagues would say, 'Steve literally wrote the book on herpes latency and reactivation...
December 2, 2016: Current Eye Research
https://www.readbyqxmd.com/read/27904085/antiviral-activity-and-molecular-geometry-of-some-new-symmetrical-tris-aminoalkyl-amine-derivatives
#4
Nobuko Mibu, Kazumi Yokomizo, Kana Murakami, Yurika Ono, Masato Ishimaru, Marie Otsubo, Hiroshi Inao, Yutaro Ono, Jian-Rong Zhou, Kunihiro Sumoto
We report the preparation of new tripodal receptor-type C3- and CS-symmetrical molecules constructed on a tris(2-aminoethyl)amine (TAEA) template. Both the anti-herpes simplex virus type 1 (anti-HSV-1) activity and cytotoxic activity of synthesized receptor-type derivatives were evaluated in order to find a characteristic structural feature for these bioactivities of compounds. Among the compounds of synthesized symmetrical TAEA-related derivatives, compound 13k showed high anti-HSV-1 activity (50% effective concentration (EC50)=16...
2016: Chemical & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27903680/herpes-simplex-virus-specific-t-cell-response-in-a-cohort-with-primary-genital-infection-correlates-inversely-with-frequency-of-subsequent-recurrences
#5
Elisabeth Franzen-Röhl, Danika Schepis, Fredrik Atterfelt, Kristina Franck, Arne Wikström, Jan-Åke Liljeqvist, Tomas Bergström, Elisabeth Aurelius, Klas Kärre, Louise Berg, Hans Gaines
OBJECTIVES: During the last decades, a changing epidemiological pattern of genital herpes simplex virus (HSV) infection has emerged. Primary infection is now caused as often by HSV-1 as by HSV-2. Once established, HSV can be reactivated leading to recurrent mucocutaneous lesions as well as meningitis. Why some otherwise immune-competent individuals experience severe and frequent recurrences is not known, and the immunological mechanism underlying recurrent symptomatic HSV infection is not fully understood...
November 30, 2016: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/27903223/releasing-of-herpes-simplex-virus-carrying-ngf-in-subarachnoid-space-promotes-the-functional-repair-in-spinal-cord-injured-rats
#6
Zhi-Wei Chen, Hang-Ping Wang, Feng-Mei Yuan, Xiao Zhang, Xiu-Juan Dong, Rui-Shen Xie, Chao Tian, Bing-Shen Li, Zhen-Wu Sun, Long-Hui Zhou, Jian Liu, Tinghua Wang
BACKGROUND: Spinal cord injury is a serious disease which can lead to bad consequence in patients. Gene therapies as an effective strategy, has been developed for the treatment of disease. OBJECTIVE: Here, we explored the effect of NGF release carried by HSV-1 in the injured spinal cord. METHODS: Transgenic recombinant containing NGF was constructed by using clone technology. NGF was firstly constructed into plasimid, then enveloped by HSV-1 vector...
November 20, 2016: Current Gene Therapy
https://www.readbyqxmd.com/read/27902849/oral-antivirals-for-preventing-recurrent-herpes-simplex-keratitis-in-people-with-corneal-grafts
#7
REVIEW
Uday K Bhatt, M N Abdul Karim, Jeremy I Prydal, Senthil V Maharajan, Usama Fares
BACKGROUND: Ocular herpes is a viral infection of the eye caused by the herpes simplex virus (HSV), a double-stranded DNA virus. Corneal scarring caused by herpes simplex keratitis (HSK) is the leading infectious cause of penetrating corneal graft in high-income countries. Acyclovir is an antiviral drug known to have a protective effect against recurrences in herpetic eye disease. While there are some studies which have evaluated the effects of intervention with oral antiviral in preventing such recurrences in people with corneal grafts, a systematic review of all comparative clinical trials has not been previously undertaken...
November 30, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27902351/protective-role-of-cx3cr1-signaling-in-resident-cells-of-the-central-nervous-system-during-experimental-herpes-simplex-virus-encephalitis
#8
Rafik Menasria, Coraline Canivet, Jocelyne Piret, Jean Gosselin, Guy Boivin
CX3CR1 is an important chemokine receptor expressed on the surface of microglia and blood leukocytes including monocytes. Signaling through this receptor influences the immune activity of microglia and monocytes trafficking into the central nervous system (CNS) in several neurological diseases. During experimental herpes simplex virus 1 (HSV-1) encephalitis (HSE), CX3CR1 deficiency has been reported to exacerbate the outcome of the disease. However, the precise contribution of CX3CR1 expressed in resident cells of the CNS or peripheral monocytes in protection against HSE remains unclear...
November 30, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27899436/anti-herpes-simplex-virus-type-1-activity-and-phenolic-content-of-crude-ethanol-extract-and-four-corresponding-fractions-of-quercus-brantii-l-acorn
#9
Ali Karimi, Mahmoud Rafieian-Kopaei, Mohammad-Taghi Moradi, Somayeh Alidadi
This research was aimed to evaluate anti-herpes simplex virus type-1 (anti-HSV-1) activity of crude ethanol extract and 4 corresponding fractions of Quercus brantii acorn in vitro. Crude ethanol extract was prepared and subjected to fractionation with different polarity. Anti-HSV-1 activity was evaluated on baby hamster kidney cell line using MTT assay. The inhibitory effect of the plant materials on adsorption and/or post-adsorption stages of HSV-1 replication cycle were determined. Regression analysis was used to determine 50% inhibitory concentration and 50% cytotoxicity concentration, from which selective index was calculated...
November 29, 2016: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/27898577/decline-in-herpes-simplex-virus-type-2-among-non-injecting-heroin-and-cocaine-users-in-new-york-city-2005-to-2014-prospects-for-avoiding-a-resurgence-of-human-immunodeficiency-virus
#10
Don C Des Jarlais, Kamyar Arasteh, Jonathan Feelemyer, Courtney McKnight, Susan Tross, David C Perlman, Aimee N C Campbell, Holly Hagan, Hannah L F Cooper
BACKGROUND: Herpes simplex virus type 2 (HSV-2) infection increases both susceptibility to and transmissibility of human immunodeficiency virus (HIV), and HSV-2 and HIV are often strongly associated in HIV epidemics. We assessed trends in HSV-2 prevalence among non-injecting drug users (NIDUs) when HIV prevalence declined from 16% to 8% among NIDUs in New York City. METHODS: Subjects were current non-injecting users of heroin and/or cocaine and who had never injected illicit drugs...
November 28, 2016: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27895185/correction-for-abrisch-et-al-infection-by-herpes-simplex-virus-1-causes-near-complete-loss-of-rna-polymerase-ii-occupancy-on-the-host-cell-genome
#11
Robert G Abrisch, Tess M Eidem, Petro Yakovchuk, Jennifer F Kugel, James A Goodrich
No abstract text is available yet for this article.
December 15, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27888111/neutralizing-human-recombinant-antibodies-against-herpes-simplex-virus-type-1-glycoproteins-b-from-a-phage-displayed-scfv-antibody-library
#12
Vahid Bagheri, Foroogh Nejatollahi, Seyed Alireza Esmaeili, Amir Abbas Momtazi, Mohamad Motamedifar, Amirhossein Sahebkar
The HSV-1 envelope glycoprotein B (gB) plays a critical role in virus entry into host cells. Neutralizing antibodies can therefore potentially prevent virus entry into target cells and cell-to-cell spread of infection. Our present study focused on the selection of neutralizing single-chain Fv (scFv) antibodies of a phage-displayed nonimmune human scFv antibody library against gB of HSV-1. To enrich specific scFvs, two phage antibodies were isolated against amino acid residues 31-43 derived from the N-terminal part of gB using panning technique...
November 22, 2016: Life Sciences
https://www.readbyqxmd.com/read/27883971/2-3-7-8-tetrachlorodibenzo-p-dioxin-and-the-viral-infection
#13
REVIEW
Filomena Fiorito, Rita Santamaria, Carlo Irace, Luisa De Martino, Giuseppe Iovane
Exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), a widespread highly toxic environmental contaminant, suppresses immune response and leads to an increased susceptibility to infectious agents. In particular, several studies have provided evidence that TCDD decreases resistance to numerous viruses. Indeed, in vivo and in vitro investigations showed that the presence of TCDD is able to interfere with the replication of both human and animal viruses, such as influenza A viruses, coxsackie virus B3, immunodeficiency virus type-1 (HIV-1), cytomegalovirus (CMV), herpes simplex II, and bovine herpesvirus 1...
November 21, 2016: Environmental Research
https://www.readbyqxmd.com/read/27882822/a-protective-role-for-herpes-simplex-virus-type-1-specific-humoral-immunity-in-alzheimer-s-disease
#14
Simone Agostini, Roberta Mancuso, Francesca Baglio, Mario Clerici
No abstract text is available yet for this article.
December 1, 2016: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/27881332/-herpes-simplex-virus-mediated-rna-interference-targeting-vesicular-glutamate-transporter-3-attenuates-tactile-allodynia-in-mice
#15
Jie-Qiong Liu, Chen-Hong Li, Qiong Luo, Ping-Ping Yin, Tao Lei, Fang Luo
OBJECTIVE: To construct a replication-deficient herpes simplex virus (HSV-1) for delivering a short hairpin RNA (shRNA) targeting vesicular glutamate transporter 3 (VGLUT3) and observe its effect in alleviating allodynia in mice. METHODS: The recombinant HSV-1 vector carrying the shRNA targeting Vglut3 (HSV-1-shvglut3) was constructed and inoculated in the sciatic nerve in a mouse model of mechanical allodynia to test its analgesia effect. Mechanical allodynia and heat hypersensitivity of the mice were tested by von Frey filaments and Hargreaves' test, respectively...
November 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27868164/efficient-production-of-recombinant-glycoprotein-d-of-herpes-simplex-virus-type-2-in-pichia-pastoris-and-its-protective-efficacy-against-viral-challenge-in-mice
#16
Man Wang, Shuai Jiang, Li Zhou, Chaoqun Wang, Ruifeng Mao, Murugavel Ponnusamy
Herpes simplex virus type 2 (HSV-2) infection is the leading cause of genital ulcer disease and a significant public health concern. However, there are no approved vaccines available to prevent HSV-2 infection. The glycoprotein D (gD) of HSV-2 is the most important candidate antigen for vaccine development. In this study, a truncated form of gD (codons 1-340, gD1-340) was produced as a secretory protein in the methylotrophic yeast Pichia pastoris. The recombinant gD1-340 with a His6 tag was purified to homogeneity by one-step affinity chromatography...
November 21, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27867742/dermoscopic-appearance-of-an-amelanotic-mucosal-melanoma
#17
Andreas Blum, Ulrike Beck-Zoul, Laura Held, Sylvie Haase
BACKGROUND: Hypomelanotic or amelanotic melanomas are challenging to identify, especially at mucosal sites. The dermoscopic clues to the diagnosis of mucosal melanomas have been reported to be structureless zones with the presence of blue, gray, or white colors. CASE: A female in her seventies noted a new lesion on the inside of her right labia that first appeared two months prior. Her past medical history was significant for rheumatoid arthritis requiring ongoing treatment with methotrexate for 20 years and adalimumab for 10 years...
October 2016: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/27866900/a-viral-deamidase-targets-the-helicase-domain-of-rig-i-to-block-rna-induced-activation
#18
Jun Zhao, Yi Zeng, Simin Xu, Jie Chen, Guobo Shen, Caiqun Yu, David Knipe, Weiming Yuan, Jian Peng, Wenqing Xu, Chao Zhang, Zanxian Xia, Pinghui Feng
RIG-I detects double-stranded RNA (dsRNA) to trigger antiviral cytokine production. Protein deamidation is emerging as a post-translational modification that chiefly regulates protein function. We report here that UL37 of herpes simplex virus 1 (HSV-1) is a protein deamidase that targets RIG-I to block RNA-induced activation. Mass spectrometry analysis identified two asparagine residues in the helicase 2i domain of RIG-I that were deamidated upon UL37 expression or HSV-1 infection. Deamidation rendered RIG-I unable to sense viral dsRNA, thus blocking its ability to trigger antiviral immune responses and restrict viral replication...
November 16, 2016: Cell Host & Microbe
https://www.readbyqxmd.com/read/27866863/il-2-complex-treatment-amplifies-cd8-t-cell-mediated-immunity-following-herpes-simplex-virus-1-infection
#19
Naveen K Rajasagi, Barry T Rouse
CD8(+) T cells play an important role in controlling numerous virus infections and some tumors and therefore several strategies have been adopted to modulate CD8(+) T cell responses. One such approach includes treatment with IL-2 bound to a monoclonal antibody against IL-2 (IL-2 complex) which was shown to enhance CD8(+) T cell responses and provide protection against some cancers and pathogens. This report analyses the value of IL-2 complex therapy to protect against a cutaneous virus infection as occurs with herpes simplex virus-1 (HSV-1) infection...
November 17, 2016: Microbes and Infection
https://www.readbyqxmd.com/read/27865090/characterization-of-the-subcellular-localization-and-nuclear-import-molecular-mechanisms-of-herpes-simplex-virus-1-ul2
#20
Mingsheng Cai, Zebin Huang, Zongmin Liao, Tao Chen, Ping Wang, Si Jiang, Daixiong Chen, Tao Peng, Yun Bian, Gengde Hong, Hang Yang, Zhancheng Zeng, Xiaowei Li, Meili Li
As a crucial protein, the herpes simplex virus 1 (HSV-1) tegument component UL2 has been shown to take part in various stages of viral infection, nonetheless, its exact subcellular localization and transport molecular determinants is not well known thus far. In the present study, by using live cells fluorescent microscopy assay, UL2 tagged with enhanced yellow fluorescent protein was transient expressed in live cells and showed a completely nuclear accumulation without the presence of other HSV-1 proteins. Moreover, the nuclear transport of UL2 was characterized to be assisted by multiple transport pathways through Ran-, importin α1-, α5-, α7-, β1- and transportin-1 cellular transport receptors...
November 19, 2016: Biological Chemistry
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