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https://www.readbyqxmd.com/read/28918039/crispr-cas9-mediated-knockin-application-in-cell-therapy-a-non-viral-procedure-for-bystander-treatment-of-glioma-in-mice
#1
Oscar Meca-Cortés, Marta Guerra-Rebollo, Cristina Garrido, Salvador Borrós, Nuria Rubio, Jeronimo Blanco
The use of non-viral procedures, together with CRISPR/Cas9 genome-editing technology, allows the insertion of single-copy therapeutic genes at pre-determined genomic sites, overcoming safety limitations resulting from random gene insertions of viral vectors with potential for genome damage. In this study, we demonstrate that combination of non-viral gene delivery and CRISPR/Cas9-mediated knockin via homology-directed repair can replace the use of viral vectors for the generation of genetically modified therapeutic cells...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28916998/emergency-neurologic-life-support-meningitis-and-encephalitis
#2
David F Gaieski, Nicole F O'Brien, Ricardo Hernandez
Bacterial meningitis and viral encephalitis, particularly herpes simplex encephalitis, are severe neurological infections that, if not treated promptly and effectively, lead to poor neurological outcome or death. Because of the value of early recognition and treatment, meningitis and encephalitis was chosen as an Emergency Neurological Life Support protocol. This protocol provides a practical approach to recognition and urgent treatment of bacterial meningitis and encephalitis. Appropriate imaging, spinal fluid analysis, and early empiric treatment are discussed...
September 15, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28916264/sidt2-transports-extracellular-dsrna-into-the-cytoplasm-for-innate-immune-recognition
#3
Tan A Nguyen, Blake R C Smith, Michelle D Tate, Gabrielle T Belz, Marilou H Barrios, Kirstin D Elgass, Alexandra S Weisman, Paul J Baker, Simon P Preston, Lachlan Whitehead, Alexandra Garnham, Rachel J Lundie, Gordon K Smyth, Marc Pellegrini, Meredith O'Keeffe, Ian P Wicks, Seth L Masters, Craig P Hunter, Ken C Pang
Double-stranded RNA (dsRNA) is a common by-product of viral infections and acts as a potent trigger of antiviral immunity. In the nematode C. elegans, sid-1 encodes a dsRNA transporter that is highly conserved throughout animal evolution, but the physiological role of SID-1 and its orthologs remains unclear. Here, we show that the mammalian SID-1 ortholog, SIDT2, is required to transport internalized extracellular dsRNA from endocytic compartments into the cytoplasm for immune activation. Sidt2-deficient mice exposed to extracellular dsRNA, encephalomyocarditis virus (EMCV), and herpes simplex virus 1 (HSV-1) show impaired production of antiviral cytokines and-in the case of EMCV and HSV-1-reduced survival...
September 7, 2017: Immunity
https://www.readbyqxmd.com/read/28916114/-scleritis-and-episcleritis
#4
REVIEW
E Héron, T Bourcier
Episcleritis is generally a benign disease with a self-limited course, while scleritis is a severe ocular condition due to a risk of impaired vision in one-fifth of patients and its association with systemic diseases in one third of them. Infectious scleritis, representing 8 % of the etiologies, is mainly of herpetic origin (varicella zoster and herpes simplex viruses). A systemic autoimmune disease is observed in roughly 30 % of scleritis patients: inflammatory rheumatisms (15 %), firstly rheumatoid polyarthritis, systemic vasculitides (8 %), mainly granulomatosis with polyangiitis (Wegener's) and polychondritis, and less often inflammatory bowel disease and systemic lupus erythematosus...
September 12, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28914066/-herpes-simplex-virus-infection-an-overview-of-the-problem-pharmacologic-therapy-and-dietary-measures
#5
Sherif T S Hassan, Miroslava Šudomová, Radka Masarčíková
Treatment of infectious diseases remains one of the principal research target for many researchers and healthcare providers worldwide. Herpes simplex virus 1 (HSV-1) and herpes simplex virus 2 (HSV-2) are common human pathogens with an estimated 60-95% of the adult population infected by at least one of them. The worldwide disease burden of HSV is substantial, and acyclovir and related nucleoside analogues (viral DNA polymerase inhibitors) as therapies have led to significantly increased treatment efficacy of HSV infections...
2017: Ceská a Slovenská Farmacie
https://www.readbyqxmd.com/read/28911798/development-and-evaluation-of-multiplex-real-time-pcr-for-diagnosis-of-hsv-1-vzv-cmv-and-toxoplasma-gondii-in-patients-with-infectious-uveitis
#6
Archit Kumar, Mini P Singh, Reema Bansal, Amod Gupta, Jagat Ram, Radha Kanta Ratho
Infectious uveitis is a vision threatening inflammatory ocular disease wherein early diagnosis may prevent the loss of vision. The purpose of this study was to develop a multiplex real-time PCR for the diagnosis of Herpes simplex virus-1, Varicella zoster virus, cytomegalovirus and Toxoplasma gondii in patients with suspected infectious uveitis. A total of 126 intraocular samples (aqueous and vitreous humor) were collected and subjected to multiplex real-time PCR. Overall 26.2% (33/126) patients were found to be positive for one or more of the pathogens tested...
August 9, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28906097/hypertrophic-perianal-herpes-simplex-in-renal-transplant-recipient
#7
Giampaolo Trevisan, Lerica Germi, Daniela Dissegna, Barbara Famengo
No abstract text is available yet for this article.
October 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28904192/the-role-of-herpes-simplex-virus-type-1-%C3%AE-34-5-in-the-regulation-of-irf3-signaling
#8
Richard Manivanh, Jesse Mehrbach, David M Knipe, David A Leib
During viral infection, pattern recognition receptors (PRRs) and their associated adaptors recruit TANK-binding kinase 1 (TBK1) to activate interferon regulatory factor 3 (IRF3), resulting in production of type I interferons (IFNs). ICP0 and ICP34.5 are amongst the proteins encoded by herpes simplex virus 1 (HSV-1) that modulate type I IFN signaling. We constructed a recombinant virus (ΔXX) which lacks amino acids 87 - 106, a portion of the previously described TBK1-binding domain of the γ34.5 gene (D. Verpooten, Y...
September 13, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28903153/colony-stimulating-factor-1-receptor-expressing-cells-infiltrating-the-cornea-control-corneal-nerve-degeneration-in-response-to-hsv-1-infection
#9
Ana J Chucair-Elliott, Hem R Gurung, Meghan M Carr, Daniel J J Carr
Purpose: Herpes simplex virus type-1 (HSV-1) is a leading cause of neurotrophic keratitis, characterized by decreased or absent corneal sensation due to damage to the sensory corneal innervation. We previously reported the elicited immune response to infection contributes to the mechanism of corneal nerve regression/damage during acute HSV-1 infection. Our aim is to further establish the involvement of infiltrated macrophages in the mechanism of nerve loss upon infection. Methods: Macrophage Fas-Induced Apoptosis (MAFIA) transgenic C57BL/6 mice were systemically treated with AP20187 dimerizer or vehicle (VEH), and their corneas, lymph nodes, and blood were assessed for CD45+CD11b+GFP+ cell depletion by flow cytometry (FC)...
September 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28902907/pcr-detection-of-human-herpesviruses-in-colonic-mucosa-of-individuals-with-inflammatory-bowel-disease-comparison-with-individuals-with-immunocompetency-and-hiv-infection
#10
Takayuki Shimada, Naoyoshi Nagata, Koki Okahara, Akane Joya, Tsunefusa Hayashida, Shinichi Oka, Toshiyuki Sakurai, Junichi Akiyama, Naomi Uemura, Hiroyuki Gatanaga
BACKGROUND: Detection of human herpesviruses (HHVs) other than cytomegalovirus (CMV) in colonic mucosa of individuals with inflammatory bowel disease (IBD) remains unknown. This study identified eight HHVs in the colonic mucosa of individuals with IBD and compared the results with immunocompetent and human immunodeficiency virus (HIV)-infected individuals. METHODS: A total of 89 individuals who had colorectal ulcer on colonoscopy were enrolled: 26 with immunocompetency (n = 26), 41 with IBD, and 22 with HIV infection...
2017: PloS One
https://www.readbyqxmd.com/read/28901213/hiv-prevalence-and-correlated-factors-of-female-sex-workers-and-male-clients-in-a-border-region-of-yunnan-province-china
#11
Jing Zhu, Rui Yuan, Dan Hu, Zhibin Zhu, Ning Wang, Bei Wang
Female sex workers (FSWs) and their male clients are vulnerable to HIV infection and serve as a bridge in HIV transmission from the high-risk population to the general, low-risk population. To examine the factors of FSWs and male clients that correlate with the prevalence of HIV infection in the Chinese-Vietnamese border region, a cross-sectional survey was conducted in 2014 in the Hekou county of the Yunnan province of China. We performed a questionnaire survey to collect data on demographics, sexual behavior, and drug use...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28900443/hsv-1-encephalitis-high-index-of-clinical-suspicion-prompt-diagnosis-and-early-therapeutic-intervention-are-the-triptych-of-success-report-of-two-cases-and-comprehensive-review-of-the-literature
#12
Dimitrios Patoulias, Georgios Gavriiloglou, Konstantinos Kontotasios, Mairi Tzakri, Petros Keryttopoulos, Christos Koutras
Herpes Simplex Virus (HSV) encephalitis is an acute infectious disease of the Central Nervous System (CNS), usually affecting the limbic structures, the median temporal cortex, and the orbitofrontal regions. Its annual incidence has significantly increased over the last 20 years and the mortality rate is 7%, if early diagnosed and treated, and 70%, if left untreated, while it is associated with high rates of morbidity. It should be noted that even when Cerebrospinal fluid (CSF) analysis seems normal, imaging studies are not specific and HSV Polymerase Chain Reaction (PCR) test is negative; the clinician should be more aggressive, if clinical presentation is indicative for HSV encephalitis, by administrating acyclovir early after patient's admission...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28899392/care-beyond-the-hospital-ward-understanding-the-socio-medical-trajectory-of-herpes-simplex-virus-encephalitis
#13
Jessie Cooper, Ciara Kierans, Sylviane Defres, Ava Easton, Rachel Kneen, Tom Solomon
BACKGROUND: Herpes simplex virus (HSV) encephalitis is a life-threatening infection of the brain, which has significant physical, cognitive and social consequences for survivors. Despite increasing recognition of the long-term effects of encephalitis, research and policy remains largely focused on its acute management, meaning there is little understanding of the difficulties people face after discharge from acute care. This paper aims to chart the problems and challenges which people encounter when they return home after treatment for HSV encephalitis...
September 12, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28892949/corneal-collagen-cross-linking-for-treatment-of-bacterial-and-herpetic-keratitis
#14
Mohammad Reza Khalili, Hamid Reza Jahadi, Mashaallah Karimi, Masoud Yasemi
INTRODUCTION: Optimal management of infective keratitis is a formidable challenge and subject of ongoing studies. Recently, Collagen Cross-Linking (CXL) of the cornea has been considered to be a new effective therapeutic approach for resistant infectious keratitis. AIM: Aim of the study was to evaluate the effectiveness of CXL with Ultraviolet-A (UV-A) and riboflavin for treatment of the refractory bacterial and Herpes Simplex Virus (HSV) keratitis. MATERIALS AND METHODS: In this prospective interventional study, eight patients with diagnosis of infectious keratitis who were referred to Khalili Hospital eye emergency room, between 2014 and 2015 were included in the study...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28892033/ultrasound-guided-intracardiac-injection-of-human-mesenchymal-stem-cells-to-increase-homing-to-the-intestine-for-use-in-murine-models-of-experimental-inflammatory-bowel-diseases
#15
Maneesh Dave, Paola Menghini, Keiki Sugi, Rodrigo A Somoza, Zhenghong Lee, Mukesh Jain, Arnold Caplan, Fabio Cominelli
Crohn's disease (CD) is a common chronic inflammatory disease of the small and large intestines. Murine and human mesenchymal stem cells (MSCs) have immunosuppressive potential and have been shown to suppress inflammation in mouse models of intestinal inflammation, even though the route of administration can limit their homing and effectiveness (1)(,)(3)(,)(4)(,)(5). Local application of MSCs to colonic injury models has shown greater efficacy at ameliorating inflammation in the colon. However, there is paucity of data on techniques to enhance the localization of human bone marrow-derived MSCs (hMSCs) to the small intestine, the site of inflammation in the SAMP-1/YitFc (SAMP) model of experimental Crohn's disease...
September 1, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28892026/purification-of-viral-dna-for-the-identification-of-associated-viral-and-cellular-proteins
#16
Jill A Dembowski, Neal A Deluca
The goal of this protocol is to isolate herpes simplex virus type 1 (HSV-1) DNA from infected cells for the identification of associated viral and cellular proteins by mass spectrometry. Although proteins that interact with viral genomes play major roles in determining the outcome of infection, a comprehensive analysis of viral genome associated proteins was not previously feasible. Here we demonstrate a method that enables the direct purification of HSV-1 genomes from infected cells. Replicating viral DNA is selectively labeled with modified nucleotides that contain an alkyne functional group...
August 31, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28891812/herpes-simplex-virus-1-evasion-of-cd8-t-cell-accumulation-contributes-to-viral-encephalitis
#17
Naoto Koyanagi, Takahiko Imai, Keiko Shindo, Ayuko Sato, Wataru Fujii, Takeshi Ichinohe, Naoki Takemura, Shigeru Kakuta, Satoshi Uematsu, Hiroshi Kiyono, Yuhei Maruzuru, Jun Arii, Akihisa Kato, Yasushi Kawaguchi
Herpes simplex virus-1 (HSV-1) is the most common cause of sporadic viral encephalitis, which can be lethal or result in severe neurological defects even with antiviral therapy. While HSV-1 causes encephalitis in spite of HSV-1-specific humoral and cellular immunity, the mechanism by which HSV-1 evades the immune system in the central nervous system (CNS) remains unknown. Here we describe a strategy by which HSV-1 avoids immune targeting in the CNS. The HSV-1 UL13 kinase promotes evasion of HSV-1-specific CD8+ T cell accumulation in infection sites by downregulating expression of the CD8+ T cell attractant chemokine CXCL9 in the CNS of infected mice, leading to increased HSV-1 mortality due to encephalitis...
September 11, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28890393/the-antiviral-activity-of-arbidol-hydrochloride-against-herpes-simplex-virus-type-i-in-vitro-and-in-vivo
#18
Min-Ke Li, Yuan-Yuan Liu, Fei Wei, Meng-Xin Shen, Yan Zhong, Shan Li, Liang-Jun Chen, Nian Ma, Bing-Yu Liu, Yi-Dong Mao, Ning Li, Wei Hou, Hai-Rong Xiong, Zhan-Qiu Yang
Herpes simplex virus type 1 (HSV-1) causes significant human diseases from skin lesions to encephalitis, especially in neonates and immunocompromised hosts. The discovery of novel anti-HSV-1 drugs with low toxicity is in demand for public health. Arbidol Hydrochloride (ARB) is an indole-derivative molecule with broad-spectrum antiviral activity. In this study, we evaluated the antiviral effects of ARB against HSV-1 infection using in vitro and in vivo models. The results showed that ARB presents significant inhibitory effect on HSV-1 plaque formation and generation of progeny virus with EC50 value of 5...
September 7, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28886376/converting-cold-into-hot-tumors-by-combining-immunotherapies
#19
John B A G Haanen
In a small phase Ib study in this issue of Cell, Ribas et al. report that the combination of intralesional injection of a modified human herpes simplex virus and systemic anti-PD-1 treatment resulted in a 62% response rate in patients with metastatic melanoma, accompanied by enhanced T cell infiltration in virus-injected lesions.
September 7, 2017: Cell
https://www.readbyqxmd.com/read/28886313/susceptibility-of-herpes-simplex-virus-type-1-to-monoterpenes-thymol-carvacrol-p-cymene-and-essential-oils-of-sinapis-arvensis-l-lallemantia-royleana-benth-and-pulicaria-vulgaris-gaertn
#20
J Sharifi-Rad, B Salehi, P Schnitzler, S A Ayatollahi, F Kobarfard, M Fathi, M Eisazadeh, M Sharifi-Rad
In recent years, with increased the prevalence of viral infections and having no specific for  their treatment  and also the continuous appearance of resistant viral strains, the finding of novel antiviral agents is necessary. In this study, monoterpenes of thymol, carvacrol, p-cymene and essential oils from Sinapis arvensis L., Lallemantia royleana Benth. and Pulicaria vulgaris Gaertn. were screened for their inhibitory effect against herpes simplex virus type 1 (HSV-1) in vitro on Vero cell line CCL-81-ATCC using a plaque reduction assay...
August 30, 2017: Cellular and Molecular Biology
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