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https://www.readbyqxmd.com/read/28636866/prevalence-and-risk-factors-of-chlamydia-trachomatis-neisseria-gonorrhoeae-trichomonas-vaginalis-and-other-sexually-transmissible-infections-among-women-attending-antenatal-clinics-in-three-provinces-in-papua-new-guinea-a-cross-sectional-survey
#1
Lisa M Vallely, Pamela Toliman, Claire Ryan, Glennis Rai, Johanna Wapling, Carolyn Tomado, Savarina Huliafi, Gloria Munnull, Patricia Rarau, Suparat Phuanukoonnon, Handan Wand, Peter Siba, Glen D L Mola, John M Kaldor, Andrew J Vallely
Background Papua New Guinea (PNG) is estimated to have among the highest prevalences of HIV and sexually transmissible infections (STIs) of any Asia-Pacific country, and one of the highest burdens of maternal syphilis globally. The prevalence of curable STIs, such as Chlamydia trachomatis (CT), Neisseria gonorrhoeae (NG) and Trichomonas vaginalis (TV), among pregnant women in PNG is relatively unknown. METHODS: A cross-sectional bio-behavioural survey to investigate the epidemiology of CT, NG, TV and other STIs among pregnant women in three provinces of PNG was undertaken...
October 2016: Sexual Health
https://www.readbyqxmd.com/read/28636287/the-spectrum-of-aseptic-central-nervous-system-infections-in-southern-germany-demographic-clinical-and-laboratory-findings
#2
M Kaminski, V Grummel, D Hoffmann, A Berthele, B Hemmer
BACKGROUND AND PURPOSE: Aseptic infections of the central nervous system (CNS) are frequently observed in Germany. However, no study has systematically addressed the spectrum of aseptic CNS infections in Germany. METHODS: Data on 191 adult patients diagnosed from January 2007 to December 2014 with aseptic meningitis or encephalitis/meningoencephalitis at our hospital were collected by chart review and analyzed for demographic, clinical and laboratory findings. Patients were stratified according to the causative virus and findings were compared between groups...
June 21, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28636180/characterization-of-herpes-simplex-virus-infections-seen-in-the-pediatric-dermatology-office
#3
Julia K Gittler, Euphemia W Mu, Seth J Orlow
BACKGROUND/OBJECTIVES: Atypical and severe clinical manifestations of primary and recurrent herpes simplex virus (HSV) infections may present to a pediatric dermatologist for evaluation. The purpose of this study was to characterize the clinical features of the population diagnosed with HSV referred to a pediatric dermatology office. METHODS: This retrospective case series examined patients diagnosed with HSV in a pediatric dermatology practice at an academic medical center from 2005 to 2015...
June 21, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28632111/herpes-neolabialis-herpes-simplex-virus-type-1-infection-of-the-neolabia-in-a-transgender-woman
#4
Lian Elfering, Wouter B van der Sluis, Joline F Mermans, Marlon E Buncamper
A 24-year-old transgender woman consulted our outpatient clinic with a painful, itchy and red left labia. She underwent a penile inversion vaginoplasty 18 months before presentation. At physical examination of the left labia, erythema, edema and herpetic vesicles with ulceration were observed. A vesicle fluid swab was obtained and the presence of herpes simplex virus type 1 (HSV-1) was detected by PCR assay. Treatment consisted of oral valaciclovir (500 mg twice daily) for a total of five days.Topically-applied lidocaine cream (3%) was used for pain management...
July 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28629987/anti-herpes-simplex-virus-type-1-activity-of-houttuynoid-a-a-new-flavonoid-from-houttuynia-cordata-thunb
#5
Ting Li, Libao Liu, Hongling Wu, Shaodan Chen, Qinchang Zhu, Hao Gao, Xiongtao Yu, Yi Wang, Wenhan Su, Xinsheng Yao, Tao Peng
Early events in herpes simplex virus type 1 (HSV-1) infection reactivate latent human immunodeficiency virus, Epstein-Barr virus, and human papillomavirus in the presence of acyclovir (ACV). The common use of nucleoside analog medications, such as ACV and pencyclovir, has resulted in the emergence of drug-resistant HSV-1 strains in clinical therapy. Therefore, new antiherpetics that can inhibit early events in HSV-1 infection should be developed. An example of this treatment is Houttuynia cordata Thunb. water extract, which can inhibit HSV-1 infection through multiple mechanisms...
June 16, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28628343/chronic-herpetic-retinitis-clinical-features-and-long-term-outcomes
#6
Soufiane Souissi, Christine Fardeau, Hoang Mai Le, Flore Rozenberg, Bahram Bodaghi, Phuc Le Hoang
INTRODUCTION: Chronic uveitis treated with immunosuppressive agents may have unfavorable outcomes due to delays in diagnosis. The aim of this study was to review initial data from clinical and ocular assessments and patient outcomes following specific treatments for atypical herpes virus ocular infections. METHODS: The records of four consecutive patients with recurrent uveitis for at least five years treated in our department between 2001 and 2016 were retrospectively reviewed...
June 19, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28628024/-evaluation-of-dynamic-telomere-length-shortening-of-lymphocytes-in-immunocompromised-children-with-chronic-diseases-of-the-respiratory
#7
E Khalturina, I Nesterova
Nowadays it is common to observe the growth of viral-viral and viral-bacterial co-infections in children of different ages, due to dysfunction of lymphocytes (DL), which can be connected with the process of the accelerated shortening of the end structures of chromosomal telomeres, telomere length changes are described in lymphocytes of children with chronic mono-infections. The conducted study has shown the shortening of telomere lymphocytes in children with CDRT seropositive for mixed-herpes viral infections (herpes simplex virus, virus, Epstein-Barr virus and cytomegalovirus in various combinations) and for bacterial co-infections - Chlamydia trachomatis and (or) Mycoplasma pneumoniae...
May 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28627955/herpes-simplex-encephalitis-with-thalamic-brainstem-and-cerebellar-involvement
#8
Meenal Garg, Shilpa Kulkarni, Anaita Udwadia Hegde
Herpes simplex virus encephalitis is a common and treatable cause of acute encephalitis in all age groups. Certain radiological features such as temporal parenchymal involvement facilitate the diagnosis. The use of herpes simplex virus polymerase chain reaction has expanded the clinical and imaging spectrum. We report the case of a young patient who presented with a movement disorder and predominant involvement of thalami, brainstem and cerebellum on magnetic resonance imaging, and was diagnosed with herpes simplex virus encephalitis...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28624190/expression-of-herpes-simplex-virus-thymidine-kinase-ganciclovir-by-rna-trans-splicing-induces-selective-killing-of-hiv-producing-cells
#9
Carin K Ingemarsdotter, Sushmita Poddar, Sarah Mercier, Volker Patzel, Andrew M L Lever
Antiviral strategies targeting hijacked cellular processes are less easily evaded by the virus than viral targets. If selective for viral functions, they can have a high therapeutic index. We used RNA trans-splicing to deliver the herpes simplex virus thymidine kinase-ganciclovir (HSV-tk/GCV) cell suicide system into HIV-producing cells. Using an extensive in silico bioinformatics and RNA structural analysis approach, ten HIV RNA trans-splicing constructs were designed targeting eight different HIV splice donor or acceptor sites and were tested in cells expressing HIV...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28623258/chromatin-organization-regulates-viral-egress-dynamics
#10
Vesa Aho, Markko Myllys, Visa Ruokolainen, Satu Hakanen, Elina Mäntylä, Jori Virtanen, Veijo Hukkanen, Thomas Kühn, Jussi Timonen, Keijo Mattila, Carolyn A Larabell, Maija Vihinen-Ranta
Various types of DNA viruses are known to elicit the formation of a large nuclear viral replication compartment and marginalization of the cell chromatin. We used three-dimensional soft x-ray tomography, confocal and electron microscopy, combined with numerical modelling of capsid diffusion to analyse the molecular organization of chromatin in herpes simplex virus 1 infection and its effect on the transport of progeny viral capsids to the nuclear envelope. Our data showed that the formation of the viral replication compartment at late infection resulted in the enrichment of heterochromatin in the nuclear periphery accompanied by the compaction of chromatin...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28618165/herpes-simplex-virus-2-transmission-following-solid-organ-transplantation-donor-derived-infection-and-transplantation-from-prior-organ-recipients
#11
Nenad Macesic, Ian J Abbott, Matthew Kaye, Julian Druce, Allan R Glanville, Paul J Gow, Peter D Hughes, Tony M Korman, William R Mulley, Phillip J O'Connell, Helen Opdam, Miranda Paraskeva, Matthew C Pitman, Stella Setyapranata, William D Rawlinson, Paul D R Johnson
BACKGROUND: Owing to limited availability of donor organs, previous solid organ transplant (SOT) recipients are increasingly considered as potential organ donors. We report donor-derived transmission of herpes simplex virus type-2 (HSV-2) to two clusters of SOT recipients with transmission from the original donor and an HSV-2-infected recipient who subsequently became a donor. METHODS: We reviewed medical records of the donors and recipients in both clusters. Pre-transplant serology and virological features of HSV-2 were characterized...
June 15, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28614387/global-sensing-of-the-antigenic-structure-of-herpes-simplex-virus-gd-using-high-throughput-array-based-spr-imaging
#12
Tina M Cairns, Noah T Ditto, Huan Lou, Benjamin D Brooks, Doina Atanasiu, Roselyn J Eisenberg, Gary H Cohen
While HSV-2 typically causes genital lesions, HSV-1 is increasingly the cause of genital herpes. In addition, neonatal HSV infections are associated with a high rate of mortality and HSV-2 may increase the risk for HIV or Zika infections, reinforcing the need to develop an effective vaccine. In the GSK Herpevac trial, doubly sero-negative women were vaccinated with a truncated form of gD2 [gD2(284t)], then examined for anti-gD serum titers and clinical manifestations of disease. Surprisingly, few vaccinees were protected against genital HSV-2 but 86% were protected from genital HSV-1...
June 14, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28612172/chromium-iii-and-iron-iii-inhibits-replication-of-dna-and-rna-viruses
#13
Sylwia Terpiłowska, Andrzej Krzysztof Siwicki
The aim of this study was to examine the effect of treating of chromium(III) and iron(III) and their combinations on Herpes Simplex Virus type 1 (HSV-1) and Bovine Viral Diarrhoea virus (BVDV) replication. The antiviral efficacies of chromium(III) and iron(III) on HSV-1 and BVDV were evaluated using Real Time PCR method. Moreover, the cytotoxicity of these microelements was examined using the MTT reduction assay. The IC50 (50% inhibiotory concentration) for the chromium chloride was 1100 μM for Hep-2 cells and 1400 μM for BT cells...
June 13, 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/28611307/review-oncolytic-virotherapy-updates-and-future-directions
#14
REVIEW
Christos Fountzilas, Sukeshi Patel, Devalingam Mahalingam
Oncolytic viruses (OVs) are viral strains that can infect and kill malignant cells while spare their normal counterparts. OVs can access cells through binding to receptors on their surface or through fusion with the plasma membrane and establish a lytic cycle in tumors, while leaving normal tissue essentially unharmed. Multiple viruses have been investigated in humans for the past century. IMLYGIC™ (T-VEC/Talimogene Laherparepvec), a genetically engineered Herpes Simplex Virus, is the first OV approved for use in the United States and the European Union for patients with locally advanced or non-resectable melanoma...
May 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28611252/the-primary-enveloped-virion-of-herpes-simplex-virus-1-its-role-in-nuclear-egress
#15
William W Newcomb, Juan Fontana, Dennis C Winkler, Naiqian Cheng, J Bernard Heymann, Alasdair C Steven
Many viruses migrate between different cellular compartments for successive stages of assembly. The HSV-1 capsid assembles in the nucleus and then transfers into the cytoplasm. First, the capsid buds through the inner nuclear membrane, becoming coated with nuclear egress complex (NEC) protein. This yields a primary enveloped virion (PEV) whose envelope fuses with the outer nuclear membrane, releasing the capsid into the cytoplasm. We investigated the associated molecular mechanisms by isolating PEVs from US3-null-infected cells and imaging them by cryo-electron microscopy and tomography...
June 13, 2017: MBio
https://www.readbyqxmd.com/read/28611249/a-herpesviral-immediate-early-protein-promotes-transcription-elongation-of-viral-transcripts
#16
Hannah L Fox, Jill A Dembowski, Neal A DeLuca
Herpes simplex virus 1 (HSV-1) genes are transcribed by cellular RNA polymerase II (RNA Pol II). While four viral immediate early proteins (ICP4, ICP0, ICP27, and ICP22) function in some capacity in viral transcription, the mechanism by which ICP22 functions remains unclear. We observed that the FACT complex (comprised of SSRP1 and Spt16) was relocalized in infected cells as a function of ICP22. ICP22 was also required for the association of FACT and the transcription elongation factors SPT5 and SPT6 with viral genomes...
June 13, 2017: MBio
https://www.readbyqxmd.com/read/28609291/analysis-of-cervical-lesions-for-presence-of-hsv-2-and-hpv-16-and-hpv-18-in-iranian-patients-by-pcr
#17
Mahsa Ahmadi, Hossien Rasi, Mostafa Mostafazadeh, Saba Hajazimian, Nazila Fathi Maroufi, Mohammad Reza Nahaei, Shiva Rahaee, Alireza Isazadeh
Objective Cervical cancer (CC) is one of the leading causes of deaths from cancer among women worldwide. Viral infections is now one of the known risk factors for CC. The aim of this study was to investigate the presence of herpes simplex virus type 2 (HSV-2), human papilloma virus types 16 (HPV-16) and human papilloma virus types 18 (HPV-18) in Iranian patients with CC using the polymerase chain reaction (PCR). Materials and methods This case-control study was conducted on a total of 45 patients with CC from Khatam-Al-Anbiya Hospital, Hamadan, Iran during 2014, and 30 samples from healthy subjects as controls...
May 16, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28607084/systems-guided-forward-genetic-screen-reveals-a-critical-role-of-the-replication-stress-response-protein-etaa1-in-t-cell-clonal-expansion
#18
Lisa A Miosge, Yovina Sontani, Aaron Chuah, Keisuke Horikawa, Tiffany A Russell, Yan Mei, Mayura V Wagle, Debbie R Howard, Anselm Enders, David C Tscharke, Christopher C Goodnow, Ian A Parish
T-cell immunity requires extremely rapid clonal proliferation of rare, antigen-specific T lymphocytes to form effector cells. Here we identify a critical role for ETAA1 in this process by surveying random germ line mutations in mice using exome sequencing and bioinformatic annotation to prioritize mutations in genes of unknown function with potential effects on the immune system, followed by breeding to homozygosity and testing for immune system phenotypes. Effector CD8(+) and CD4(+) T-cell formation following immunization, lymphocytic choriomeningitis virus (LCMV) infection, or herpes simplex virus 1 (HSV1) infection was profoundly decreased despite normal immune cell development in adult mice homozygous for two different Etaa1 mutations: an exon 2 skipping allele that deletes Gly78-Leu119, and a Cys166Stop truncating allele that eliminates most of the 877-aa protein...
June 12, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28601798/extensive-cutaneous-involvement-due-to-herpes-simplex-virus-infection
#19
Ana Vilaça, Teresa Pimentel
No abstract text is available yet for this article.
June 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28600625/an-intravaginal-ring-that-releases-three-antiviral-agents-and-a-contraceptive-blocks-shiv-rt-infection-reduces-hsv-2-shedding-and-suppresses-hormonal-cycling-in-rhesus-macaques
#20
Nina Derby, Meropi Aravantinou, Jessica Kenney, Shweta R Ugaonkar, Asa Wesenberg, Jolanta Wilk, Larisa Kizima, Aixa Rodriguez, Shimin Zhang, Olga Mizenina, Keith Levendosky, Michael L Cooney, Samantha Seidor, Agegnehu Gettie, Brooke Grasperge, James Blanchard, Michael Piatak, Jeffrey D Lifson, José Fernández-Romero, Thomas M Zydowsky, Melissa Robbiani
Women globally need access to multipurpose prevention technologies (MPTs) that prevent human immunodeficiency virus (HIV), sexually transmitted infections that increase HIV acquisition/transmission risk, and unintended pregnancy. Seeking an MPT with activity against HIV, herpes simplex virus-2 (HSV-2), and human papillomavirus (HPV), we developed a prototype intravaginal ring (IVR), the MZCL IVR, which released the antiviral agents MIV-150, zinc acetate, and carrageenan (MZC for short) and the contraceptive levonorgestrel (LNG)...
June 9, 2017: Drug Delivery and Translational Research
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