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https://www.readbyqxmd.com/read/28443092/disarming-cellular-alarm-systems-manipulation-of-stress-induced-nkg2d-ligands-by-human-herpesviruses
#1
REVIEW
Dominik Schmiedel, Ofer Mandelboim
The coevolution of viruses and their hosts led to the repeated emergence of cellular alert signals and viral strategies to counteract them. The herpesvirus family of viruses displays the most sophisticated repertoire of immune escape mechanisms enabling infected cells to evade immune recognition and thereby maintain infection. The herpesvirus family consists of nine viruses that are capable of infecting humans: herpes simplex virus 1 and 2 (HSV-1, HSV-2), varicella zoster virus (VZV), Epstein-Barr virus (EBV), human cytomegalovirus (HCMV), roseoloviruses (HHV-6A, HHV-6B, and HHV-7), and Kaposi's-sarcoma-associated herpesvirus (KSHV)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28442812/ramsay-hunt-syndrome-in-a-patient-with-human-immunodeficiency-virus-infection
#2
Mrinal Gupta
Ramsay Hunt syndrome (RHS) is a rare, severe complication of varicella-zoster virus reactivation in the geniculate ganglion, characterized by hearing loss, pain, and vesicles in the ear or mouth along with ipsilateral facial palsy. Although it is rare, it is more commonly found with immunodeficiency conditions. We report a case of a 35-year-old human immunodeficiency virus positive male, having CD4+ count of 336/μl, who presented with RHS and had vertigo, painful vesicular eruptions on the right ear and unilateral sensorineural hearing loss...
January 2017: Indian Journal of Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28439065/multidisciplinary-study-of-the-secondary-immune-response-in-grandparents-re-exposed-to-chickenpox
#3
B Ogunjimi, J Van den Bergh, P Meysman, S Heynderickx, K Bergs, H Jansen, E Leuridan, A Vorsters, H Goossens, K Laukens, N Cools, Viggo Van Tendeloo, N Hens, P Van Damme, Evelien Smits, Ph Beutels
Re-exposure to chickenpox may boost varicella-zoster virus (VZV) immunity in the elderly. This secondary immune response is hypothesized to confer protection against herpes zoster. We longitudinally sampled 36 adults over the course of one year after re-exposure to chickenpox. The resulting 183 samples and those of 14 controls were assessed for VZV-specific T-cell immunity and antibody titres. The percentages of VZV-specific CD4+ IL-2-producing T-cells were increased in re-exposed grandparents compared to control participants up to 9 months after re-exposure...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28438128/viral-aetiologies-of-acute-encephalitis-in-a-hospital-based-south-asian-population
#4
Janarthani Lohitharajah, Neelika Malavige, Carukshi Arambepola, Jithangi Wanigasinghe, Ranjanie Gamage, Padma Gunaratne, Pyara Ratnayake, Thashi Chang
BACKGROUND: The aetiological spectrum of acute encephalitis shows inter- and intra-geographical variations. We aimed to identify the viruses that cause infectious encephalitis in Sri Lanka, which represents a South Asian population. METHODS: A cross-sectional study was conducted among 99 patients with encephalitis/meningoencephalitis admitted to two tertiary-care hospitals in Colombo. Cerebrospinal fluid and serum were tested for conventional and emerging encephalitogenic viruses...
April 24, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28433331/-decrease-in-the-incidence-of-chickenpox-in-the-community-of-madrid-after-universal-childhood-immunization-years-2001-2015
#5
Luis García Comas, Pello Latasa Zamalloa, Guadalupe Alemán Vega, María Ordobás Gavín, Araceli Arce Arnáez, Inmaculada Rodero Garduño, Alicia Estirado Gómez, Ester Insúa Marisquerena
OBJECTIVE: Varicella vaccine was recommended in the Community of Madrid (CM) at 15months of age between November 2006 and December 2013. The objective was to describe the impact of vaccination on the incidence of varicella in the CM during the period 2001-2015. DESIGN: A descriptive study of cases of varicella reported to the Sentinel Physician Network of the CM and the cases recorded in the Minimum Basic Data Set at hospital discharge was carried out. Total incidence of cases and of hospital admissions were calculated, as well as specific incidence by age and sex...
April 19, 2017: Atencion Primaria
https://www.readbyqxmd.com/read/28426644/notes-from-the-field-varicella-fatality-on-a-cargo-vessel-puerto-rico-2015
#6
Misty Ellis, Carolina Luna-Pinto, Thomas George, Joanna J Regan, Mona Marin, Adriana Lopez, Brenda Rivera-Garcia, Kara Tardivel
No abstract text is available yet for this article.
April 21, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28426274/a-critical-appraisal-of-shingrix-a-novel-herpes-zoster-subunit-hz-su-or-gsk1437173a-vaccine-for-varicella-zoster-virus
#7
Tehmina Bharucha, Damien Ming, Judith Breuer
HZ/Su, branded as 'Shingrix', is one of the newest vaccines to be submitted for multi-national regulatory approval. It is targeted to prevent shingles, predominantly affecting the elderly, but a global concern with ageing populations and significant associated morbidity and mortality. A vaccine for shingles has been available for over a decade, however it is contraindicated in specific subgroups of people, and there are added concerns regarding long-term immunogenicity. HZ/Su is the first subunit vaccine developed to protect against shingles...
April 20, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28412076/original-article-varicella-vaccination-elicits-a-humoral-and-cellular-response-in-children-with-rheumatic-diseases-using-immune-suppressive-treatment
#8
Noortje Groot, Gecilmara Pileggi, Cleonice B Sandoval, Ingrid Grein, Guy Berbers, Virginia Paes Leme Ferriani, Nico Wulffraat, Sytze de Roock
OBJECTIVE: To assess humoral and cellular responses to live-attenuated varicella zoster virus (VZV) vaccination of patients with juvenile idiopathic arthritis (JIA), juvenile dermatomyositis (JDM) or juvenile scleroderma (JScle) compared to those of healthy controls (HC). METHODS: Before, 4-6weeks and one year after VZV vaccination, blood samples of patients and HC were collected. VZV-specific antibody concentrations were measured by ELISA and multiplex immune-assay...
April 12, 2017: Vaccine
https://www.readbyqxmd.com/read/28410358/reactivation-of-herpes-zoster-keratitis-with-corneal-perforation-after-zoster-vaccination
#9
Andre Jastrzebski, Seymour Brownstein, Setareh Ziai, Solin Saleh, Kay Lam, W Bruce Jackson
PURPOSE: We present a case of reactivated herpes zoster keratouveitis of 6 years duration with corneal perforation requiring penetrating keratoplasty shortly after inoculation with herpes zoster vaccine (Zostavax, Merck, Quebec, Canada). METHODS: Retrospective case report. RESULTS: A 67-year-old woman with a 5-year history of recurrent unilateral herpes zoster keratouveitis in her right eye presented with another recurrence 2 weeks after Zostavax vaccination...
April 12, 2017: Cornea
https://www.readbyqxmd.com/read/28408118/a-novel-combined-vaccine-based-on-monochimeric-vlp-co-displaying-multiple-conserved-epitopes-against-enterovirus-71-and-varicella-zoster-virus
#10
Yangtao Wu, Rui Zhu, Longfa Xu, Yongchao Li, Shuxuan Li, Hai Yu, Shaowei Li, Hua Zhu, Tong Cheng, Ningshao Xia
Chicken pox and hand, foot and mouth disease (HFMD) are two major infectious diseases that mainly affect infants and children, causing significant morbidity annually. Varicella-zoster virus (VZV) and enterovirus 71 (EV71), respectively, are the principal epidemic pathogens causing these two diseases. To investigate the possibility of developing a novel combined vaccine to prevent chicken pox and HFMD, we constructed three chimeric virus-like particles (VLPs) (termed HBc-V/1/2, HBc-2/V/1 and HBc-1/2/V) based on the hepatitis B core antigen (HBc) carrier that display epitopes derived from VZV-gE, EV71-VP1, and EV71-VP2 in a varied tandem manner...
May 9, 2017: Vaccine
https://www.readbyqxmd.com/read/28406799/granulomatous-reaction-after-complete-resolution-of-primary-varicella
#11
Heidi H McDonald, Laura M Corsini, Huma A Siddiqui, Catherine Kowalewski
No abstract text is available yet for this article.
April 7, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28405696/-varicella-gastritis-under-immunosuppression-case-report-of-a-woman-after-lung-transplantation-due-to-granulomatosis-with-polyangiitis
#12
S Saman, J-C Henes, D Niepel, H Bosmüller, C R Werner, U M Lauer, N P Malek, T Xenitidis
A 35-year-old woman who had previously undergone a lung transplantation presented with severe abdominal pain and vomiting. The gastroscopy showed diffuse ulcerative gastric lesions. Tests for varicella zoster virus and Epstein-Barr virus via polymerase chain reactions (PCR) on endoscopically obtained gastric biopsies were found to be positive and confirmed varicella gastritis. Intravenous antiviral therapy with acyclovir was administered resulting in a normalization of all clinical symptoms, especially of abdominal pain and inflammation parameters...
April 12, 2017: Der Internist
https://www.readbyqxmd.com/read/28404679/evaluation-of-taqman-array-card-tac-for-the-detection-of-central-nervous-system-infections-in-kenya
#13
Clayton O Onyango, Vladimir Loparev, Shirley Lidechi, Vinod Bhullar, D Scott Schmid, Kay Radford, Michael K Lo, Paul Rota, Barbara W Johnson, Jorge Munoz, Martina Oneko, Deron Burton, Carolyn M Black, John Neatherlin, Joel M Montgomery, Barry Fields
Infections of the central nervous system (CNS) are often acute with significant morbidity and mortality. Routine diagnosis of such infections is limited in developing countries and requires modern equipment in advanced laboratories that may be unavailable to a number of patients in sub-Saharan Africa. We developed a TaqMan Array Card (TAC) that detects multiple pathogens simultaneously from cerebrospinal fluid (CSF). The 21-pathogen TAC assays include two parasites (Balamuthia mandrillaris and Acanthamoeba), six bacterial pathogens (Streptococcus pneumoniae, Haemophilus influenzae, Neisseria meningitidis, Mycoplasma pneumoniae, Mycobacterium tuberculosis, and Bartonella) and 13 viruses (parechovirus, dengue, nipah, varicella zoster, mumps, measles, lyssa, herpes simplex virus 1 and 2, Epstein Barr virus, enterovirus, cytomegalovirus and chikungunya)...
April 12, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28403263/microneedling-in-all-skin-types-a-review
#14
Lauren Meshkov Bonati, Gorana Kuka Epstein, Tamara Lazic Strugar
<p>INTRODUCTION: Microneedling procedures are growing in popularity for a wide variety of skin conditions. This paper comprehensively reviews the medical literature regarding skin needling efficacy and safety in all skin types and in multiple dermatologic conditions.</p> <p>METHODS: A PubMed literature search was conducted in all languages without restriction and bibliographies of relevant articles reviewed. Search terms included: "microneedling," "percutaneous collagen induction," "needling," "skin needling," and "dermaroller...
April 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28400201/inhibitors-of-dual-specificity-tyrosine-phosphorylation-regulated-kinases-dyrk-exert-a-strong-anti-herpesviral-activity
#15
Corina Hutterer, Jens Milbradt, Stuart Hamilton, Mirko Zaja, Johann Leban, Christophe Henry, Daniel Vitt, Mirjam Steingruber, Eric Sonntag, Isabel Zeitträger, Hanife Bahsi, Thomas Stamminger, William Rawlinson, Stefan Strobl, Manfred Marschall
Infection with human cytomegalovirus (HCMV) is a serious medical problem, particularly in immunocompromised individuals and neonates. The success of (val)ganciclovir therapy is hampered by low drug compatibility and induction of viral resistance. A novel strategy of antiviral treatment is based on the exploitation of cell-directed signaling, e. g. pathways with a known relevance for carcinogenesis and tumor drug development. Here we describe a principle for putative antiviral drugs based on targeting dual-specificity tyrosine phosphorylation-regulated kinases (DYRKs)...
April 9, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28398711/major-birth-defects-after-vaccination-reported-to-the-vaccine-adverse-event-reporting-system-vaers-1990-to-2014
#16
Pedro L Moro, Janet Cragan, Paige Lewis, Lakshmi Sukumaran
BACKGROUND: Major birth defects are important infant outcomes that have not been well studied in the postmarketing surveillance of vaccines given to pregnant women. We assessed the presence of major birth defects following vaccination in the Vaccine Adverse Event Reporting System (VAERS), a national spontaneous reporting system used to monitor the safety of vaccines in the United States. METHODS: We searched VAERS for reports of major birth defects during January 1, 1990, through December 31, 2014...
April 11, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28398421/herpes-zoster-following-varicella-vaccination-in-children
#17
Darren J Guffey, Sarah B Koch, Leonora Bomar, William W Huang
Herpes zoster (HZ), or shingles, is commonly seen in older adults but does occur in children. Routine administration of the varicella vaccine started in 1995 in the United States; since then, the incidence of varicella and HZ has declined. We report a case of HZ in an otherwise healthy 19-month-old boy who had been vaccinated at 13 months of age and recovered fully after acyclovir treatment. We review previously reported cases of HZ in healthy vaccinated children.
March 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28397477/real-time-pcr-detection-of-the-most-common-bacteria-and-viruses-causing-meningitis
#18
Oya Akkaya, Hulya Iren Guvenc, Serife Yuksekkaya, Aysegul Opus, Asuman Guzelant, Meral Kaya, Muhammet Guzel Kurtoglu, Nurettin Kaya
BACKGROUND: Central nervous system (CNS) infections require prompt diagnosis, as the clinical condition progresses rapidly and may lead to severe permanent sequelae or death. The causative agents include viruses, bacteria, fungi, and parasites. In this study, samples with the diagnosis of CNS infection based on cerebrospinal fluid (CSF) sent to us from other hospitals/labs, were studied by multiplex real-time Polymerase Chain Reaction (PCR) method. The purpose of this study is to demonstrate, retrospectively, the most common bacteria and viruses causing meningitis and seasonal distribution of these agents using the multiplex real-time PCR method in CSF samples...
April 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28397100/the-burden-and-epidemiology-of-community-acquired-central-nervous-system-infections-a-multinational-study
#19
H Erdem, A Inan, E Guven, S Hargreaves, L Larsen, G Shehata, E Pernicova, E Khan, L Bastakova, S Namani, A Harxhi, T Roganovic, B Lakatos, S Uysal, O R Sipahi, A Crisan, E Miftode, R Stebel, B Jegorovic, Z Fehér, C Jekkel, N Pandak, A Moravveji, H Yilmaz, A Khalifa, U Musabak, S Yilmaz, A Jouhar, N Oztoprak, X Argemi, M Baldeyrou, G Bellaud, R V Moroti, R Hasbun, L Salazar, R Tekin, A Canestri, L Čalkić, L Praticò, F Yilmaz-Karadag, L Santos, A Pinto, F Kaptan, P Bossi, J Aron, A Duissenova, G Shopayeva, B Utaganov, S Grgic, G Ersoz, A K L Wu, K C Lung, A Bruzsa, L B Radic, H Kahraman, M Momen-Heravi, S Kulzhanova, F Rigo, M Konkayeva, Z Smagulova, T Tang, P Chan, S Ahmetagic, H Porobic-Jahic, F Moradi, S Kaya, Y Cag, A Bohr, C Artuk, I Celik, M Amsilli, H C Gul, A Cascio, M Lanzafame, M Nassar
Risk assessment of central nervous system (CNS) infection patients is of key importance in predicting likely pathogens. However, data are lacking on the epidemiology globally. We performed a multicenter study to understand the burden of community-acquired CNS (CA-CNS) infections between 2012 and 2014. A total of 2583 patients with CA-CNS infections were included from 37 referral centers in 20 countries. Of these, 477 (18.5%) patients survived with sequelae and 227 (8.8%) died, and 1879 (72.7%) patients were discharged with complete cure...
April 10, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28393250/inhibition-of-varicella%C3%A2-zoster-virus-replication-by-an-ethanol-extract-of-lysimachia-mauritiana
#20
Sohee Bae, Yoon-Jae Song
Varicella‑zoster virus (VZV), a ubiquitous human α‑herpesvirus, is the causative agent of chickenpox and shingles. In the present study, we investigated the antiviral activity of a 70% ethanol extract of Lysimachia mauritiana (LME) against VZV. LME strongly interfered with the replication of both laboratory and clinical strains of VZV without affecting the viability of MRC‑5 cells. Moreover, LME treatment suppressed the expression of an essential viral transactivator, immediate‑early 62 protein (IE62), in addition to other lytic genes in the later phases of viral replication...
April 7, 2017: Molecular Medicine Reports
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