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Varicella zoster virus

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https://www.readbyqxmd.com/read/28525973/varicella-zoster-virus-seroprevalence-in-children-and-adolescents-in-the-pre-varicella-vaccine-era-germany
#1
Miriam Wiese-Posselt, Anette Siedler, Annette Mankertz, Andreas Sauerbrei, Hartmut Hengel, Ole Wichmann, Christina Poethko-Müller
BACKGROUND: In 2004, universal childhood varicella vaccination was introduced in Germany. We aimed to determine the age-specific prevalence of anti-varicella zoster virus (VZV) IgG-antibodies among children in the pre-varicella vaccine era in Germany, to identify factors associated with VZV seropositivity, and to assess the suitability of a commercially available ELISA for VZV seroepidemiological studies by comparing it with an in-house fluorescent antibody to membrane antigen test (FAMA) as the gold standard...
May 19, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28514943/sex-differences-underlying-orofacial-varicella-zoster-associated-pain-in-rats
#2
Crystal Stinson, Mohong Deng, Michael B Yee, Larry L Bellinger, Paul R Kinchington, Phillip R Kramer
BACKGROUND: Most people are initially infected with varicella zoster virus (VZV) at a young age and this infection results in chickenpox. VZV then becomes latent and reactivates later in life resulting in herpes zoster (HZ) or "shingles". Often VZV infects neurons of the trigeminal ganglia to cause ocular problems, orofacial disease and occasionally a chronic pain condition termed post-herpetic neuralgia (PHN). To date, no model has been developed to study orofacial pain related to varicella zoster...
May 17, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28501392/acute-retinal-necrosis-presenting-characteristics-and-clinical-outcomes-in-a-cohort-of-polymerase-chain-reaction-positive-patients
#3
Nicholas J Butler, Ahmadreza Moradi, Sherveen S Salek, Bryn M Burkholder, Theresa G Leung, James P Dunn, Jennifer E Thorne
PURPOSE: To identify determinants of adverse outcomes in acute retinal necrosis (ARN), presenting characteristics and incidence rates of vision loss and ocular complications in a cohort of polymerase chain reaction (PCR)-positive eyes were analyzed. DESIGN: Retrospective, observational cohort study. METHODS: Forty-one eyes of 36 patients with clinically-diagnosed ARN, PCR-positive for herpes simplex virus or varicella zoster virus and evaluated between January 2002 and June 2013, were included...
May 10, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28498303/varicella-zoster-virus-associated-necrotizing-retinitis-after-chickenpox-in-a-10-year-old-female-a-case-report
#4
Yong Un Shin, Jihong Kim, Eun Hee Hong, Jieun Kim, Joo Hyun Sohn, Heeyoon Cho
A necrotizing retinitis in children is a rare but vision threatening ocular complication of chickenpox. We report a 10-year-old girl who developed chickenpox one month before presenting with panuveitis and necrotizing retinitis. After prompt antiviral treatment, her inflammatory signs were resolved. Early detection and treatment of varicellar zoster-associated necrotizing retinitis after chickenpox can achieve good visual outcome.
May 11, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28495603/ethnopharmacological-uses-phytochemistry-biological-activities-and-therapeutic-applications-of-clinacanthus-nutans-burm-f-lindau-a-comprehensive-review
#5
REVIEW
Muhamad Noor Alfarizal Kamarudin, Md Moklesur Rahman Sarker, Habsah Abdul Kadir, Long Chiau Ming
ETHNOPHARMACOLOGICAL RELEVANCE: Clinacanthus nutans (Burm. f.) Lindau, a widely used medicinal plant, is extensively grown in tropical Asia and Southeast Asian countries. C. nutans, with its broad spectrum of pharmacological activities, has been traditionally used to treat cancer, inflammatory disorders, diabetes, insect bites, and skin problems, consumed as a vegetable, mixed with fresh juices, in concoctions, and as a whole plant. The present review analyzes the advances in the ethnopharmacology, phytochemistry, pharmacology, and toxicology of C...
May 8, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28494237/microbial-vertical-transmission-during-human-pregnancy
#6
REVIEW
Nitin Arora, Yoel Sadovsky, Terence S Dermody, Carolyn B Coyne
Congenital infections with pathogens such as Zika virus, Toxoplasma gondii, Listeria monocytogenes, Treponema pallidium, parvovirus, HIV, varicella zoster virus, Rubella, Cytomegalovirus, and Herpesviruses are a major cause of morbidity and mortality worldwide. Despite the devastating impact of microbial infections on the developing fetus, relatively little is known about how pathogens associated with congenital disease breach the placental barrier to transit vertically during human pregnancy. In this Review, we focus on transplacental transmission of pathogens during human gestation...
May 10, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28491889/infections-in-hematopoietic-cell-transplant-recipients-results-from-the-organ-transplant-infection-project-a-multicenter-prospective-cohort-study
#7
Mindy G Schuster, Angela A Cleveland, Erik R Dubberke, Carol A Kauffman, Robin K Avery, Shahid Husain, David L Paterson, Fernanda P Silveira, Tom M Chiller, Kaitlin Benedict, Kathleen Murphy, Peter G Pappas
BACKGROUND: Infection is a major cause of morbidity and mortality after allogeneic hematopoietic cell transplantation (HCT). Our object was to better define the epidemiology and outcomes of infections after HCT. METHODS: This was a prospective, multicenter cohort study of HCT recipients and conducted from 2006 to 2011. The study included 4 US transplant centers and 444 HCT recipients. Data were prospectively collected for up to 30 months after HCT using a standardized data collection tool...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28491814/varicella-zoster-virus-vzv-multifocal-vasculopathy-in-a-patient-with-systemic-lupus-erythematosus-a-diagnostic-and-treatment-dilemma
#8
Stephen Osiro, Nadim Salomon
Cerebral vasculopathy due to varicella-zoster virus (VZV) infection is well-documented. We report a fatal case of VZV multifocal vasculopathy in a patient with systemic lupus erythematosus (SLE) who presented with subacute changes in mental status and had multiple areas of hemorrhagic infarcts on brain imaging. However, the correct diagnosis was delayed by several confounding factors including the absence of zoster rash, normal cerebral angiography, persistently low cerebrospinal fluid (CSF) glucose and negative initial polymerase chain reaction (PCR) for VZV DNA in the CSF...
2017: IDCases
https://www.readbyqxmd.com/read/28491117/herpes-virus-seroepidemiology-in-the-adult-swedish-population
#9
Jan Olsson, Eloise Kok, Rolf Adolfsson, Hugo Lövheim, Fredrik Elgh
BACKGROUND: Herpes viruses establish a life-long latency and can cause symptoms during both first-time infection and later reactivation. The aim of the present study was to describe the seroepidemiology of Herpes simplex type 1 (HSV1), Herpes simplex type 2 (HSV2), Cytomegalovirus (CMV), Varicella Zoster virus (VZV) and Human herpes virus type 6 (HHV6) in an adult Swedish population (35-95 years of age). METHODS: Presence of antibodies against the respective viruses in serum from individuals in the Betula study was determined with an enzyme-linked immunosorbent assay (ELISA)...
2017: Immunity & Ageing: I & A
https://www.readbyqxmd.com/read/28486850/vaccine-profile-of-herpes-zoster-hz-su-subunit-vaccine
#10
Anthony L Cunningham, Thomas Heineman
Herpes zoster (HZ) causes an often severe and painful rash in older people and may be complicated by prolonged pain (postherpetic neuralgia; PHN) and by dissemination in immune-compromised patients. HZ results from reactivation of latent varicella-zoster virus (VZV) infection, often associated with age-related or other causes of decreased T cell immunity. A live attenuated vaccine boosts this immunity and provides partial protection against HZ, but this decreases with age and declines over 8 years. Areas covered: A new HZ subunit (HZ/su) vaccine combines a key surface VZV glycoprotein (E) with a T cell-boosting adjuvant system (AS01B) and is administered by two intramuscular injections two months apart...
May 19, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28481687/a-trivalent-subunit-antigen-glycoprotein-vaccine-as-immunotherapy-for-genital-herpes-in-the-guinea-pig-genital-infection-model
#11
Sita Awasthi, Lauren M Hook, Carolyn E Shaw, Harvey M Friedman
An estimated 417 million people worldwide ages 15 to 49 are infected with herpes simplex virus type 2 (HSV-2), the most common cause of genital ulcer disease. Some individuals experience frequent recurrences of genital lesions, while others only have subclinical infection, yet all risk transmitting infection to their intimate partners. A vaccine was developed that prevents shingles, which is a recurrent infection caused by varicella-zoster virus (VZV), a closely related member of the Herpesviridae family. The success of the VZV vaccine has stimulated renewed interest in a therapeutic vaccine for genital herpes...
May 8, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28481678/herpes-zoster-vaccine-a-health-economic-evaluation-for-switzerland
#12
Patricia R Blank, Zanfina Ademi, Xiaoyan Lu, Thomas D Szucs, Matthias Schwenkglenks
Herpes zoster (HZ) or "shingles" results from a reactivation of the varicella zoster virus (VZV) acquired during primary infection (chickenpox) and surviving in the dorsal root ganglia. In about 20% of cases, a complication occurs, known as post-herpetic neuralgia (PHN). A live attenuated vaccine against VZV is available for the prevention of HZ and subsequent PHN. The present study aims to update an earlier evaluation estimating the cost-effectiveness of the HZ vaccine from a Swiss third party payer perspective...
May 8, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28479485/new-insights-into-the-pathogenesis-of-giant-cell-arteritis
#13
REVIEW
Francesco Ciccia, Aroldo Rizzo, Angelo Ferrante, Giuliana Guggino, Stefania Croci, Alberto Cavazza, Carlo Salvarani, Giovanni Triolo
Giant cell arteritis (GCA) is an inflammatory chronic disease occurring exclusively in elderly individuals. Until recently, the disease has been considered a unique disease resulting from the interaction in the walls of susceptible arteries, between an unknown infectious agents with local dendritic cells (DCs), activated CD4 T cells and effector macrophages. Recent evidence has shown that this view was too simplistic and has clarified many of the pathogenetic aspects of the disease. Many genetic studies recently published have identified different new genes, including cytokines, adhesion molecules and regulators of innate immunity, as crucial players in the development and progression of GCA...
May 4, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28469695/molecular-diagnosis-of-central-nervous-system-opportunistic-infections-and-mortality-in-hiv-infected-adults-in-central-china
#14
Rongrong Yang, Hong Zhang, Yong Xiong, Xien Gui, Yongxi Zhang, Liping Deng, Shicheng Gao, Mingqi Luo, Wei Hou, Deyin Guo
BACKGROUND: CSF PCR is the standard diagnostic technique used in resource-rich settings to detect pathogens of the CNS infection. However, it is not currently used for routine CSF testing in China. Knowledge of CNS opportunistic infections among people living with HIV in China is limited. METHODS: Intensive cerebrospiral fluid (CSF) testing was performed to evaluate for bacterial, viral and fungal etiologies. Pathogen-specific primers were used to detect DNA from cytomegalovirus (CMV), herpes simplex virus (HSV), varicella-zoster virus (VZV), Epstein-Barr virus (EBV), human herpesvirus 6 (HHV-6) and John Cunningham virus (JCV) via real-time polymerase chain reaction (PCR)...
2017: AIDS Research and Therapy
https://www.readbyqxmd.com/read/28466551/functionality-testing-of-stem-cell-grafts-to-predict-infectious-complications-after-allogeneic-hematopoietic-stem-cell-transplantation
#15
J Nilsson, I Granrot, J Mattsson, B Omazic, M Uhlin, S Thunberg
BACKGROUND AND OBJECTIVES: Allogeneic hematopoietic stem cell transplantation (HSCT) is a routine clinical procedure performed to treat patients with haematological malignancies, primary immune deficiencies or metabolic disorders. Infections during lymphopenia after allogeneic HSCT are associated with high mortality and morbidity. Typical infectious agents are Epstein-Barr virus, cytomegalovirus, herpes simplex virus, varicella-zoster virus and fungi. The study aim was to evaluate whether measurement of the responses of antigen-specific T-cells, recognizing infectious pathogens would correlate to protective functions in the stem cell recipient post-transplant...
May 2, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28464834/molecular-diagnosis-of-central-nervous-system-opportunistic-infections-and-mortality-in-hiv-infected-adults-in-central-china
#16
Rongrong Yang, Hong Zhang, Yong Xiong, Xien Gui, Yongxi Zhang, Liping Deng, Shicheng Gao, Mingqi Luo, Wei Hou, Deyin Guo
BACKGROUND: CSF PCR is the standard diagnostic technique used in resource-rich settings to detect pathogens of the CNS infection. However, it is not currently used for routine CSF testing in China. Knowledge of CNS opportunistic infections among people living with HIV in China is limited. METHODS: Intensive cerebrospiral fluid (CSF) testing was performed to evaluate for bacterial, viral and fungal etiologies. Pathogen-specific primers were used to detect DNA from cytomegalovirus (CMV), herpes simplex virus (HSV), varicella-zoster virus (VZV), Epstein-Barr virus (EBV), human herpesvirus 6 (HHV-6) and John Cunningham virus (JCV) via real-time polymerase chain reaction (PCR)...
May 2, 2017: AIDS Research and Therapy
https://www.readbyqxmd.com/read/28460866/an-unusual-presentation-of-varicella-zoster-virus-with-acute-cerebellitis-and-siadh-without-a-rash
#17
Michal Lubomski, Lauren Brown, Romesh Markus
We report a case of varicella-zoster virus (VZV) infection with acute cerebellitis and encephalitis with associated Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH) in an elderly man presenting with acute cerebellar ataxia without antecedent rash. Cerebrospinal fluid examination (CSF) revealed a mononuclear pleocytosis, high protein, normal glucose, positive for VZV polymerase chain reaction (PCR). Early acyclovir treatment is beneficial for acute VZV cerebellitis. Clinicians should consider infectious Central Nervous System (CNS) causes for presentations of acute cerebellar ataxia in adult patients, particularly if there is an accompanying clouded sensorium...
April 28, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28457683/-epidemiology-and-natural-history-of-giant-cell-arteritis
#18
A Mahr, A Aouba, P Richebé, S Gonzalez-Chiappe
Knowledge of the natural history and epidemiology of giant cell arteritis (GCA) is growing. With the recent conceptual change, GCA is no longer considered a disease with mandatory cranial symptoms but, rather, a larger disease spectrum also including idiopathic aortitis in people older than 50 and polymyalgia rheumatica with large-vessel involvement. The incidence peak between age 70 and 80 years, greater frequency in females and greater occurrence in Nordic countries are well-established epidemiological characteristics...
April 27, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28454912/phosphonoamidate-prodrugs-of-c5-substituted-pyrimidine-acyclic-nucleosides-for-antiviral-therapy
#19
Fabrizio Pertusati, Sara Serafini, Najmiyah Albadry, Robert Snoeck, Graciela Andrei
Acyclic nucleoside phosphonates (ANPs) are nowadays one of the key drugs in the treatment of DNA virus and retrovirus infections. In this work, we report the synthesis and antiviral evaluation of phosphonoamidate and diamidates prodrugs of C5-pyrimidine acyclic nucleosides derivatives functionalized with but-2-enyl- chain. In the phosphonoamidate series, the most active compound 15, showed sub-micromolar activity against varicella zoster virus (VZV) (EC50 = 0.09-0.5 μM) and μM activity against human cytomegalovirus (HCMV) and herpes simplex virus (HSV)...
April 25, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28453063/epidemiological-surveillance-of-herpes-viral-encephalitis-in-cordoba-colombia
#20
Vaneza Tique, Salim Mattar, María Freire, Eduardo Illian, Francisco Camargo, Oscar Vergara, Luiz T Moraes-Figueiredo
Objective To establish an epidemiological surveillance of viral herpes encephalitis in major hospitals of Monteria, Cordoba. Methods From September 2009 to December 2011, a descriptive study of cases of viral encephalitis was made in three hospitals in the city of Monteria. Cerebrospinal fluid (CSF) samples from 118 patients were included in the study. Clinical aspects, as well as cytochemical and microbiological analysis (Gram stain and culture) of CSF, were used for selecting the patients. Virus detection was performed by using multiplex nested PCR for Herpes simplex virus 1 and 2, Epstein Barr virus, Cytomegalovirus and Varicella zoster virus...
August 2016: Revista de Salud Pública
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