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Varicella zoster virus

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https://www.readbyqxmd.com/read/28321697/robust-gene-expression-changes-in-the-ganglia-following-subclinical-reactivation-in-rhesus-macaques-infected-with-simian-varicella-virus
#1
Nicole Arnold, Christine Meyer, Flora Engelmann, Ilhem Messaoudi
Varicella zoster virus (VZV) causes varicella during acute infection and establishes latency in the sensory ganglia. Reactivation of VZV results in herpes zoster, a debilitating and painful disease. It is believed that VZV reactivates due to a decline in cell-mediated immunity; however, the roles that CD4 versus CD8 T cells play in the prevention of herpes zoster remain poorly understood. To address this question, we used a well-characterized model of VZV infection where rhesus macaques are intrabronchially infected with the homologous simian varicella virus (SVV)...
March 20, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28320319/cytomegalovirus-epstein-barr-virus-and-varicella-zoster-virus-infection-in-the-first-two-years-of-life-a-cohort-study-in-bradford-uk
#2
Lucy Pembrey, Dagmar Waiblinger, Paul Griffiths, Mauli Patel, Rafaq Azad, John Wright
BACKGROUND: Cytomegalovirus (CMV), Epstein Barr virus (EBV) and varicella-zoster virus (VZV) are common herpesviruses frequently acquired in childhood, which establish persistent, latent infection and are likely to impact the developing immune system. Little is known about the epidemiology of CMV and EBV infections in contemporary UK paediatric populations, particularly whether age at infection differs by ethnic group. METHODS: Children enrolled in the Born in Bradford Allergy and Infection Study had a blood sample taken and a questionnaire completed at 12 and 24 months of age...
March 21, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28320119/giant-cell-arteritis-following-varicella-zoster-vaccination
#3
Itay Lotan, Israel Steiner
BACKGROUND: Giant cell arteritis (GCA) is a form of large-vessel vasculitis affecting patients older than 50years old. Recent reports have suggested that the condition is caused by reactivation of varicella zoster virus (VZV). If that is indeed the case, a vaccine that prevents VZV reactivation should reduce the incidence of GCA. To further test that hypothesis, we assessed the incidence of GCA among patients older than 50years of age who were vaccinated against VZV and compared it to GCA incidence in the general population...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28319279/borderline-lepromatous-leprosy-erythema-nodosum-leprosum-and-a-generalized-varicella-zoster-virus-infection
#4
Cornelis Kennedy, Bernard Naafs
We report the case of a thirty-year-old man with Mid-Borderline (BB) to Borderline Lepromatous Leprosy (BL) who was admitted to the hospital with blistering lesions on his upper and lower extremities. These lesions, which were partly filled with pus rapidly developed into erosions and ulcerations with hemorrhagic crusts. Other observations at time of admission included a tender erythematous plaque on his forehead, a drop foot on the right leg, muscle atrophy in both hands, a low grade fever, and pain and swelling in his right lower jaw...
March 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28304114/antiviral-and-cytostatic-evaluation-of-5-1-halo-2-sulfonylvinyl-and-5-2-furyl-uracil-nucleosides
#5
Zhiwei Wen, Sazzad H Suzol, Jufang Peng, Yong Liang, Robert Snoeck, Graciela Andrei, Sandra Liekens, Stanislaw F Wnuk
Transition metal-catalyzed halosulfonylation of 5-ethynyl uracil nucleosides provided (E)-5-(1-chloro-2-tosylvinyl)uridines. Tetrabutylammonium fluoride-mediated direct CH arylation of 5-iodouracil nucleosides with furan or 2-heptylfuran gave 5-furyl-substituted nucleosides without the necessity of using the organometallic substrates. These two classes of 5-substituted uracil nucleosides as well their corresponding ester derivatives were tested against a broad range of DNA and RNA viruses and the human immunodeficiency virus (HIV)...
March 17, 2017: Archiv der Pharmazie
https://www.readbyqxmd.com/read/28303641/myalgic-encephalomyelitis-chronic-fatigue-syndrome-and-gulf-war-illness-patients-exhibit-increased-humoral-responses-to-the-herpesviruses-encoded-dutpase-implications-in-disease-pathophysiology
#6
Peter Halpin, Marshall Vance Williams, Nancy G Klimas, Mary Ann Fletcher, Zachary Barnes, Maria Eugenia Ariza
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) and Gulf War Illness (GWI) are debilitating diseases with overlapping symptomology and there are currently no validated tests for definitive diagnosis of either syndrome. While there is evidence supporting the premise that some herpesviruses may act as possible triggers of ME/CFS, the involvement of herpesviruses in the pathophysiology of GWI has not been studied in spite of a higher prevalence of ME/CFS in these patients. We have previously demonstrated that the deoxyuridine triphosphate nucleotidohydrolases (dUTPase) encoded by Epstein-Barr virus (EBV), human herpesvirus-6 (HHV-6), and varicella-zoster virus (VZV) possess novel functions in innate and adaptive immunity...
March 17, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28295404/localization-of-vzv-in-saliva-of-zoster-patients
#7
Satish K Mehta, Mayra Nelman-Gonzalez, Stephen K Tyring, Yun Tong, Andrew Beitman, Brian E Crucian, Ashlie N Renner, Duane L Pierson
Varicella zoster virus (VZV) in saliva from 6 herpes zoster patients and 1 chickenpox patient was found to be exclusively associated with epithelial cells by confocal microscopy. VZV localization with antibody specific to the VZV glycoprotein E was detected primarily on the membrane but was also inside the cell. Epithelial cells with VZV were still present in saliva in 1 out of two tested zoster patients after 10 months of recovery. Saliva from healthy controls (non-shingles patients, n = 5) did not show any sign of VZV by polymerase chain reaction or by confocal microscopy...
March 11, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28291069/two-cases-of-acute-retinal-necrosis-due-to-varicella-zoster-despite-prior-shingles-vaccination
#8
Eric J Weinlander, Angeline L Wang, Pimkwan Jaru-Ampornpan, Michael M Altaweel, T Michael Nork
PURPOSE: To review two cases of acute retinal necrosis in adults due to varicella zoster virus despite prior shingles vaccination. METHODS: Retrospective chart review. PATIENTS: A 62-year-old man and a 64-year-old man with unilateral acute retinal necrosis who had shingles vaccinations 16 and 7 months before their ocular symptoms. RESULTS: Polymerase chain reaction confirmation of varicella zoster virus in the anterior chambers of both patients...
March 13, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28290250/synthesis-and-ativiral-activity-of-5-benzylthio-4-carbamyl-1-2-3-triazoles-against-human-cytomegalovirus-cmv-and-varicella-zoster-virus-vzv
#9
Yi-Ning Wen, Zhi-Feng Zhang, Ning-Ning Liu, Graciela Andrei, Robert Snoeck, Yu-Hong Xiang, Dominique Schols, Xue Chen, Zhuo-Yong Zhang, Qing-Shan Zhang, Qin-Pei Wu
BACKGROUND: All of clinic drugs for herpesvirus infections exhibit high toxicity and suffer from significant drug-resistantance. There is a great need for the development of new, effective, and safe anti-herpesvirus agents with different mechanisms of action. METHODS: A series of novel 5-(benzylthio)-1H-1,2,3- triazole-4-carboxamides were efficiently synthesized and EC50 values against human cytomegalovirus (HCMV), varicella-zoster virus (VZV) and herpes simplex virus (HSV) were evaluated in vitro...
March 7, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28282487/establishment-of-multiplex-solid-phase-strip-pcr-test-for-detection-of-24-ocular-infectious-disease-pathogens
#10
Satoko Nakano, Sunao Sugita, Yasuhiro Tomaru, Ayumi Hono, Takako Nakamuro, Toshiaki Kubota, Hiroshi Takase, Manabu Mochizuki, Masayo Takahashi, Norio Shimizu
Purpose: To establish and evaluate a new multiplex solid-phase strip polymerase chain reaction (strip PCR) for concurrent detection of common ocular infectious disease pathogens. Methods: A new multiplex strip PCR was established to detect 24 common ocular infectious disease pathogens: herpes simplex virus (HSV) 1, HSV2, varicella-zoster virus (VZV), Epstein-Barr virus (EBV), cytomegalovirus (CMV), human herpes virus (HHV) 6, HHV7, HHV8, human T-cell lymphotropic virus (HTLV)-1, adenovirus, Mycobacterium tuberculosis, Treponema pallidum, Propionibacterium acnes (P...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28276305/severe-varicella-in-persons-vaccinated-with-varicella-vaccine-breakthrough-varicella-a-systematic-literature-review
#11
Jessica Leung, Karen R Broder, Mona Marin
Varicella vaccines are highly effective at preventing disease, but varicella may occur among vaccinated persons (termed breakthrough varicella). Breakthrough varicella is generally mild, but severe cases have been reported. The objective of this review is to describe severe breakthrough varicella. Areas covered: We conducted a systematic review of articles published during 1974-2016. A total of 34 articles were included in our review: 21 described breakthrough varicella with disseminated varicella-zoster virus (VZV) infection with other organ involvement in addition to skin (none among two-dose vaccinees); 9 described hospitalized breakthrough varicella without mention of other organ involvement in addition to skin (of which 2 reported 4 two-dose vaccinees); and 4 described both...
April 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28274481/no-detection-of-varicella-zoster-virus-in-temporal-arteries-of-patients-with-giant-cell-arteritis
#12
Francesco Muratore, Stefania Croci, Ione Tamagnini, Alessandro Zerbini, Salvatore Bellafiore, Lucia Belloni, Luigi Boiardi, Alessandra Bisagni, Nicolò Pipitone, Maria Parmeggiani, Alberto Cavazza, Carlo Salvarani
OBJECTIVE: Data on the presence of varicella-zoster virus (VZV) in temporal arteries of patients with giant cell arteritis (GCA) are controversial. We analyzed VZV infection in temporal arteries from Italian patients with temporal artery biopsy (TAB)-positive GCA, TAB-negative GCA, and controls. METHODS: A total of 79 formalin-fixed, paraffin-embedded (FFPE) TABs performed between 2009 and 2012 at a single institution from 34 TAB-positive GCA patients, 15 TAB-negative GCA patients, and 30 controls were retrieved...
February 10, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28274075/herpes-zoster-with-post-herpetic-neuralgia-involving-the-right-maxillary-branch-of-trigeminal-nerve-a-case-report-and-review-of-literature
#13
Massillamani Francis, Kailasam Subramanian, S Leena Sankari, Venkata Lakshmi Aparna Potluri, Akila Prabakaran
Herpes Zoster (HZ) is an acute, self-limiting, neuro cutaneous viral infection caused by the reactivation of the Varicella Zoster Virus (VZV) that remains latent in the dorsal root ganglion. About 50% of occurrence is seen in older age groups and immunocompromised patients. Less than 5% occur in children. HZ is characterized by the unilateral pain, burning and tingling sensation followed by the vesicular eruptions limited to the single dermatome that are innervated by the single cranial ganglion, sometimes it leads to Post Herpetic Neuralgia (PHN)...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28273393/a-retrospective-study-to-describe-the-epidemiology-and-outcomes-of-opportunistic-infections-after-abdominal-organ-transplantation
#14
Mia Helfrich, Peter Dorschner, Kathryn Thomas, Valentina Stosor, Michael G Ison
BACKGROUND: Most epidemiologic studies of opportunistic infections (OI) following abdominal organ transplant (AOT) are derived prior to the era of contemporary immunosuppression and prophylaxis. These studies suggest that most OI occur within the first 6 months post transplant. METHOD: In this single-center, retrospective cohort study, we describe the epidemiology of OI in 359 consecutive AOT recipients, in the era of contemporary prophylaxis practices and alemtuzumab induction in kidney and simultaneous pancreas-kidney transplant recipients...
March 8, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28268074/safety-and-immunogenicity-of-inactivated-varicella-zoster-virus-vaccine-in-adults-with-hematologic-malignancies-receiving-treatment-with-anti-cd20-monoclonal-antibodies
#15
Janie Parrino, Shelly A McNeil, Steven J Lawrence, Eva Kimby, Marco F Pagnoni, Jon E Stek, Yanli Zhao, Ivan S F Chan, Susan S Kaplan
BACKGROUND: Immunocompromised patients can experience significant morbidity and occasional mortality from complications associated with herpes zoster (HZ), but live attenuated HZ vaccine is contraindicated for these patients. Inactivated zoster vaccine (ZVIN) is in development for prevention of HZ in immunocompromised patients. However, there are limited data in the literature regarding the effect of anti-CD20 monoclonal antibodies on vaccine-related cell-mediated immune response. This study evaluated safety and immunogenicity of ZVIN in patients with hematologic malignancies (HM) receiving anti-CD20 monoclonal antibodies (alone or in combination chemotherapy regimens) and not likely to undergo hematopoietic cell transplant (HCT) (n=80)...
March 3, 2017: Vaccine
https://www.readbyqxmd.com/read/28265256/decreased-hhv-6-igg-in-alzheimer-s-disease
#16
Gabriel Westman, Jonas Blomberg, Zhibing Yun, Lars Lannfelt, Martin Ingelsson, Britt-Marie Eriksson
Human herpesviruses have previously been implicated in the pathogenesis of Alzheimer's disease (AD) but whether they are causal, facilitating, or confounding factors is yet to be established. A total of 50 AD subjects and 52 non-demented (ND) controls were analyzed in a multiplex assay for IgG reactivity toward herpes simplex virus (HSV), varicella zoster virus (VZV), cytomegalovirus (CMV), and human herpesvirus 6 (HHV-6). The HHV-6 IgG reactivity was significantly lower in AD subjects compared to ND controls, whereas there were no differences in HSV, VZV, or CMV antibody levels between the groups...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28264696/a-rare-case-report-of-acyclovir-induced-immune-thrombocytopenia-with-tongue-hematomas-as-the-first-sign-and-a-literature-review
#17
Xiaowei Hong, Xiaoqian Wang, Zhiyong Wang
BACKGROUND: Acyclovir has been widely used to treat infections caused by herpes simplex virus (HSV) and varicella zoster virus (VZV). The common adverse effects of this drug include nausea, diarrhea, headache, dizziness and mental changes. The immune thrombocytopenia induced by acyclovir is rare. CASE PRESENTATION: A 67-year-old Chinese male who was given acyclovir 5 mg kg(-1) 8 hourly intravenously for treatment of VZV infection developed severe thrombocytopenia with fist sign in oral cavity within 10 days of starting using acyclovir...
March 7, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28249285/risk-factors-for-skin-infections-in-mycosis-fungoides
#18
Eve Lebas, Jorge E Arrese, Arjen F Nikkels
BACKGROUND: Mycosis fungoides (MF) is the most frequent type of primary cutaneous natural killer and T-cell lymphoma. MF-required immunosuppressive therapies and MF-related immunosuppressive characteristics render patients with MF more prone to infections. AIM: To describe the clinical features of cutaneous infections observed in MF patients. MATERIALS AND METHODS: A series of 56 MF patients were followed prospectively over 3 years and screened for cutaneous infections...
March 2, 2017: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/28238255/linear-multiepitope-glyco-peptides-for-type-specific-serology-of-herpes-simplex-virus-hsv-infections
#19
Christian Risinger, Kasper K Sørensen, Knud J Jensen, Sigvard Olofsson, Tomas Bergström, Ola Blixt
Detection of type-specific antibodies is an important and essential part of accurate diagnosis, even in silent carriers of herpes simplex virus (HSV)-1 (oral) and HSV-2 (genital) infections. Serologic assays that identify HSV-1 and HSV-2 type-specific antibodies have been commercially available for more than a decade but often face problems related to cross-reactivity and similar issues. Attempts to identify type-specific peptide epitopes for use in serology for both HSV-1 and HSV-2 have been limited. We recently demonstrated epitope mapping of envelope glycoprotein G2 and identified a type-specific glycopeptide epitope that broadly recognized HSV-2 infected individuals...
March 6, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/28224485/incidence-of-varicella-zoster-virus-infections-of-the-central-nervous-system-in-the-elderly-a-large-tertiary-hospital-based-series-2007-2014
#20
M Arruti, L D Piñeiro, Y Salicio, G Cilla, M A Goenaga, A López de Munain
The aim of the study was to describe the clinical and epidemiological characteristics of the central nervous system (CNS) infection by varicella zoster virus (VZV) in patients older than 65 years in a tertiary community hospital. We retrospectively analysed the results of cerebrospinal fluid (CSF) testing in patients older than 65 years between 2007 and 2014 with clinically suspected VZV infection with CNS involvement. Patients whose CSF samples were positive for VZV DNA were included, as were those with negative results who simultaneously presented herpes zoster and CSF or magnetic resonance imaging findings suggestive of CNS infection, and in whom other possible aetiologies had been ruled out...
February 21, 2017: Journal of Neurovirology
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