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https://www.readbyqxmd.com/read/28339574/arm-paralysis-after-routine-childhood-vaccinations-application-of-advanced-molecular-methods-to-the-causality-assessment-of-an-adverse-event-after-immunization
#1
Jana Shaw, Neal A Halsey, Adriana Weinberg, D Scott Schmid, Kirsten St George, William C Weldon, Michael Jordan, Patrick W Bryant, Philip S LaRussa, Deborah Y Bradshaw, Theresa Harrington, Anne Gershon
Post-licensure surveillance for adverse events following immunizations (AEFI) can identify rare complications of vaccinations and rigorous vaccine adverse event causality assessments can help to identify possible causal relationships. We report the development of arm paralysis after varicella vaccination in a 1-year-old child. Paralysis was initially presumed to be due to vOka because of the temporal relationship between vaccination and onset of arm weakness; however, molecular studies identified wild-type varicella zoster virus VZV (WT-VZV) in the CSF, leading the authors to conclude that WT-VZV was the probable cause...
January 25, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28339568/varicella-in-a-previously-immune-patient-with-leukemia
#2
Michelle Sewnarine, Sujatha Rajan, Arlene Redner, Lorry G Rubin
Infection with varicella-zoster virus (VZV) in oncology patients can result in severe disease with an increased risk of morbidity and mortality [1, 2]. Among patients on cancer chemotherapy, only nonimmune persons are considered to be susceptible to varicella [1]. We present a case of varicella in a child with leukemia that occurred despite immunity as defined by 2 doses of varicella vaccine and documentation of positive VZV immunoglobulin G titer before initiation of chemotherapy.
January 19, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28335992/varicella-zoster-virus-vasculopathy-the-expanding-clinical-spectrum-and-pathogenesis
#3
REVIEW
Maria A Nagel, Dallas Jones, Ann Wyborny
Varicella zoster virus (VZV) is a ubiquitous, human alphaherpesvirus that produces varicella on primary infection then becomes latent in ganglionic neurons along the entire neuraxis. In elderly and immunocompromised individuals, VZV reactivates and travels along nerve fibers peripherally resulting in zoster. However, VZV can also spread centrally and infect cerebral and extracranial arteries (VZV vasculopathy) to produce transient ischemic attacks, stroke, aneurysm, sinus thrombosis and giant cell arteritis, as well as granulomatous aortitis...
March 18, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28332898/herpes-simplex-virus-1-and-cytomegalovirus-dnas-detection-in-the-inner-ear-of-implanted-patients-with-non-congenital-infection
#4
Walter Di Nardo, Roberta Anzivino, Paola Cattani, Rosaria Santangelo, Eugenio De Corso, Gaetano Paludetti
CONCLUSIONS: The detection of cytomegalovirus (CMV) and herpes simplex virus-1 (HSV-1) genome in perilymph of patients with negative serology or clinical history for congenital infections supports the hypothesis that Herpesviridae, even after acquired postnatal infections, could remain in latent phase in the spiral ganglion and damage the cochlea by a possible subsequent reactivation. Further studies are needed to identify the markers of such reactivation. OBJECTIVE: To identify the presence of certain viral species in the endolabyrinthic fluid of deaf patients with non-congenital infection...
March 23, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28332333/allo-hla-cross-reactivities-of-cmv-flu-and-vzv-specific-memory-t-cells-are-shared-by-different-individuals
#5
H van den Heuvel, K M Heutinck, E M W van der Meer-Prins, S L Yong, P P M C van Miert, J D H Anholts, M E I Franke-van Dijk, X Q Zhang, D L Roelen, R J M Ten Berge, F H J Claas
Virus-specific T cells can recognize allogeneic HLA (allo-HLA) through TCR cross-reactivity. The allospecificity often differs per individual ("private cross-reactivity"), but can also be shared by multiple individuals ("public cross-reactivity"). However, only a few examples of the latter have been described. Since these could facilitate alloreactivity prediction in transplantation, we aimed to identify novel public cross-reactivities of human virus-specific CD8+ T cells directed against allo-HLA by assessing their reactivity in mixed-lymphocyte reactions...
March 23, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28321697/robust-gene-expression-changes-in-the-ganglia-following-subclinical-reactivation-in-rhesus-macaques-infected-with-simian-varicella-virus
#6
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
#7
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
#8
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/28304114/antiviral-and-cytostatic-evaluation-of-5-1-halo-2-sulfonylvinyl-and-5-2-furyl-uracil-nucleosides
#9
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
#10
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/28302512/seroepidemiology-of-hepatitis-a-hepatitis-b-and-varicella-virus-in-people-living-with-hiv-in-ireland
#11
Corinna Sadlier, Anna O'Rourke, Alison Carr, Colm Bergin
Epidemiological studies investigating seroprevalence of vaccine preventable infections at both individual and population level are important in guiding screening and vaccination practices. Data on seroprevalence of common vaccine preventable infections in HIV-infected individuals is lacking. We carried out a retrospective cohort study to investigate serological immunity and factors associated with immunity to hepatitis A virus (HAV), hepatitis B virus (HBV) and varicalla virus (VZV) in a cohort of HIV-infected individuals attending a large ambulatory HIV specialist centre in Ireland...
March 13, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28295404/localization-of-vzv-in-saliva-of-zoster-patients
#12
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/28290250/synthesis-and-ativiral-activity-of-5-benzylthio-4-carbamyl-1-2-3-triazoles-against-human-cytomegalovirus-cmv-and-varicella-zoster-virus-vzv
#13
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
#14
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
#15
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
#16
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
#17
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/28268128/mr-imaging-of-adult-acute-infectious-encephalitis
#18
REVIEW
A Bertrand, D Leclercq, L Martinez-Almoyna, N Girard, J-P Stahl, T De-Broucker
BACKGROUND: Imaging is a key tool for the diagnosis of acute encephalitis. Brain CT scan must be urgently performed to rule out a brain lesion with mass effect that would contraindicate lumbar puncture. Brain MRI is less accessible than CT scan, but can provide crucial information with patients presenting with acute encephalitis. METHOD: We performed a literature review on PubMed on April 1, 2015 with the search terms "MRI" and "encephalitis". RESULTS: We first described the various brain MRI abnormalities associated with each pathogen of acute encephalitis (HSV, VZV, other viral agents targeting immunocompromised patients or travelers; tuberculosis, listeriosis, other less frequent bacterial agents)...
March 3, 2017: Médecine et Maladies Infectieuses
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
#19
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
#20
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
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