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Herpes 6

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https://read.qxmd.com/read/32210095/transcriptional-profiles-associated-with-marek-s-disease-virus-in-bursa-and-spleen-lymphocytes-reveal-contrasting-immune-responses-during-early-cytolytic-infection
#1
Huan Jin, Zimeng Kong, Arslan Mehboob, Bo Jiang, Jian Xu, Yunhong Cai, Wenxiao Liu, Jiabing Hong, Yongqing Li
Marek's disease virus (MDV), an alpha herpes virus, causes a lymphoproliferative state in chickens known as Marek's disease (MD), resulting in severe monetary losses to the poultry industry. Because lymphocytes of bursa of Fabricius and spleen are prime targets of MDV replication during the early cytolytic phase of infection, the immune response in bursa and spleen should be the foundation of late immunity induced by MDV. However, the mechanism of the MDV-mediated host immune response in lymphocytes in the early stage is poorly understood...
March 23, 2020: Viruses
https://read.qxmd.com/read/32207346/stevens-johnson-syndrome-like-reaction-after-exposure-to-pembrolizumab-and-recombinant-zoster-vaccine-in-a-patient-with-metastatic-lung-cancer
#2
Ivy Riano, Cagney Cristancho, Thomas Treadwell
Stevens-Johnson syndrome (SJS) is a life-threating mucocutaneous reaction predominantly induced by drugs. Targeted cancer therapies such as pembrolizumab, which has been approved for the treatment of metastatic malignancy, can cause severe skin toxicities, including SJS. They are rare and inconsistently reported. In this article, we report the case of a 80-year-old woman with metastatic non-small cell lung cancer who had a SJS-like eruption involving oral mucosa after 15 weeks of exposure of pembrolizumab (6 doses) and 7 days after 1 dose of recombinant zoster vaccine...
January 2020: Journal of Investigative Medicine High Impact Case Reports
https://read.qxmd.com/read/32204367/stability-of-the-hsv-2-us-6-gene-in-the-del-ii-del-iii-cp77-and-i8r-g1l-sites-in-modified-vaccinia-virus-ankara-after-serial-passage-of-recombinant-vectors-in-cells
#3
Vajini N Atukorale, Jerry P Weir, Clement A Meseda
The modified vaccinia virus Ankara (MVA), a severely attenuated strain of vaccinia virus, is a promising vector platform for viral-vectored vaccine development because of its attributes of efficient transgene expression and safety profile, among others. Thus, transgene stability in MVA is important to assure immunogenicity and efficacy. The global GC content of the MVA genome is 33%, and GC-rich sequences containing runs of C or G nucleotides have been reported to be less stable with passage of MVA vectors in cells...
March 19, 2020: Vaccines
https://read.qxmd.com/read/32200827/herpetic-eye-disease-study-a-controlled-trial-of-topical-corticosteroids-for-herpes-simplex-stromal-keratitis
#4
Kirk R Wilhelmus, Lauren Gee, Walter W Hauck, Natalie Kurinij, Chandler R Dawson, Dan B Jones, Bruce A Barron, Herbert E Kaufman, Joel Sugar, Robert A Hyndiuk, Peter R Laibson, R Doyle Stulting, Penny A Asbell
PURPOSE: To evaluate the efficacy of topical corticosteroids in treating herpes simplex stromal keratitis. METHODS: The authors performed a randomized, double-masked, placebo-con- trolled, multicenter clinical trial of 106 patients with active herpes simplex stromal keratitis who had not received any corticosteroids for at least 10 days before study enrollment. Patients were assigned to the placebo group (n = 49) or the steroid group (topical prednisolone phosphate; n = 57); both regimens were tapered over 10 weeks...
April 2020: Ophthalmology
https://read.qxmd.com/read/32195950/treatment-of-herpes-labialis-by-photodynamic-therapy-study-protocol-clinical-trial-spirit-compliant
#5
Andreia La Selva, Renata Matalon Negreiros, Daniela Teixeira Bezerra, Ellen Perin Rosa, Vanessa Christina Santos Pavesi, Ricardo Scarparo Navarro, Marina Stella Bello-Silva, Karen Müller Ramalho, Ana Cecília Corrêa Aranha, Paulo Henrique Braz-Silva, Kristianne Porta Santos Fernandes, Sandra Kalil Bussadori, Anna Carolina Ratto Tempestini Horliana
BACKGROUND: Lesions of herpes labialis are caused by the herpes simplex virus type 1 and cause pain and aesthetic compromise. It is characterized by the formation of small vesicles that coalesce and rupture forming extremely painful ulcers, that evolve to crusts, dry desquamations until their complete remission. Currently the treatment of these lesions is done with acyclovir. Although it diminishes the symptomatology, it causes viral resistance and does not prevent the recurrence of the lesions...
March 2020: Medicine (Baltimore)
https://read.qxmd.com/read/32189395/increased-risk-of-dementia-in-patients-with-genital-warts-a-nationwide-cohort-study-in-taiwan
#6
Chia-Hua Lin, Wu-Chien Chien, Chi-Hsiang Chung, Chien-Ping Chiang, Wei-Ming Wang, Hsin-An Chang, Yu-Chen Kao, Nian-Sheng Tzeng
Genital warts are a common sexually transmitted disease caused by human papillomavirus (HPV) infections. The prevalence of dementia is 4-8% in those aged 65 years or older in Taiwanese community studies, with a high social and economic burden for patients, family caregivers, the community and society. Previous studies have shown that viral infections such as herpes simplex and herpes zoster were associated with dementia. This study aimed to investigate the association between dementia and HPV infections. A population-based cohort study using data from Taiwan's National Health Insurance Research Database was conducted...
March 18, 2020: Journal of Dermatology
https://read.qxmd.com/read/32183884/co-infections-of-human-herpesviruses-cmv-hhv-6-hhv-7-and-ebv-in-non-transplant-acute-leukemia-patients-undergoing-chemotherapy
#7
Imene Handous, Bechir Achour, Manel Marzouk, Sana Rouis, Olfa Hazgui, Ines Brini, Abderrahim Khelif, Naila Hannachi, Jalel Boukadida
BACKGROUND: Human herpesviruses (HHVs) remain latent after primary infection and can be reactivated in response to immunosuppression and chemotherapy. Little is known about their incidence, potential relationships, risk factors and clinical impact in non-transplant leukemia patients. This study investigated prospectively incidence, risk factors, clinical impact and possible association of HHVs-(1-7) infections in patients with newly diagnosed acute leukemia. METHODS: Study design involved longitudinal sampling before chemotherapy and in different phases of chemotherapy: post-induction, post-remission, and post-salvage during 2016-2018...
March 17, 2020: Virology Journal
https://read.qxmd.com/read/32164762/safety-and-effectiveness-of-peficitinib-asp015k-in-patients-with-rheumatoid-arthritis-interim-data-22-7-months-mean-peficitinib-treatment-from-a-long-term-open-label-extension-study-in-japan-korea-and-taiwan
#8
Tsutomu Takeuchi, Yoshiya Tanaka, Sakae Tanaka, Atsushi Kawakami, Yeong-Wook Song, Yi-Hsing Chen, Mitsuhiro Rokuda, Hiroyuki Izutsu, Satoshi Ushijima, Yuichiro Kaneko, Yoshihiro Nakashima, Teruaki Shiomi, Emi Yamada
BACKGROUND: Peficitinib (ASP015K), a novel oral Janus kinase inhibitor, has demonstrated efficacy and safety for the treatment of rheumatoid arthritis (RA) in randomized, controlled trials of up to 52 weeks' duration. However, safety and effectiveness after long-term treatment have not been assessed. METHODS: This was an interim analysis of an ongoing open-label, multicenter extension study in RA patients who completed phase 2b (RAJ1; 12 weeks) and phase 3 (RAJ3 and RAJ4; 52 weeks) peficitinib studies in Asia (mainly Japan)...
March 12, 2020: Arthritis Research & Therapy
https://read.qxmd.com/read/32163870/phenotypic-testing-of-patient-herpes-simplex-virus-type-1-and-2-isolates-for-acyclovir-resistance-by-a-novel-method-based-on-real-time-cell-analysis
#9
Oliver Caliaro, Maria Teresa Barbani, Shkipe Klenja, Florence Morfin, Emilie Frobert, Meri Gorgievski, Jacqueline Steinlin-Schopfer, Franziska Suter-Riniker
BACKGROUND: Acyclovir (ACV) is the most commonly used drug for herpes simplex virus (HSV) infection therapy. Prolonged antiviral therapy or prophylaxis in immunocompromised patients may promote the development of drug-resistant strains. Due to the high polymorphism in genes involved in drug resistance, phenotypic methods, although work-intensive, are still required to test drug susceptibility. Real-time cell analysis (RTCA) based methods could offer a rapid and less labor-intensive alternative for phenotypic testing of ACV resistance...
February 19, 2020: Journal of Clinical Virology
https://read.qxmd.com/read/32162802/intratumoral-immunotherapy-update-2019
#10
REVIEW
Omid Hamid, Rubina Ismail, Igor Puzanov
Intratumoral immunotherapies aim to trigger local and systemic immunologic responses via direct injection of immunostimulatory agents with the goal of tumor cell lysis, followed by release of tumor-derived antigens and subsequent activation of tumor-specific effector T cells. In 2019, a multitude of intratumoral immunotherapies with varied mechanisms of action, including nononcolytic viral therapies such as PV-10 and toll-like receptor 9 agonists and oncolytic viral therapies such as CAVATAK, Pexa-Vec, and HF10, have been extensively evaluated in clinical trials and demonstrated promising antitumor activity with tolerable toxicities in melanoma and other solid tumor types...
March 2020: Oncologist
https://read.qxmd.com/read/32159801/characterizing-infection-in-anti-neutrophil-cytoplasmic-antibody-associated-vasculitis-results-from-a-longitudinal-matched-cohort-data-linkage-study
#11
Shifa H Sarica, Neeraj Dhaun, Jan Sznajd, John Harvie, John McLaren, Lucy McGeoch, Vinod Kumar, Nicole Amft, Lars Erwig, Angharad Marks, Corri Black, Neil Basu
OBJECTIVES: Infection exerts a major burden in ANCA-associated vasculitis (AAV), however, its precise extent and nature remains unclear. In this national study we aimed to longitudinally quantify, characterize and contextualize infection risk in AAV. METHODS: We conducted a multicentre matched cohort study of AAV. Complementary data on infections were retrieved via data linkage with the population-based Scottish microbiological laboratory, hospitalization and primary care prescribing registries...
March 11, 2020: Rheumatology
https://read.qxmd.com/read/32158774/performance-of-metagenomic-next-generation-sequencing-for-the-diagnosis-of-viral-meningoencephalitis-in-a-resource-limited-setting
#12
Nguyen Thi Thu Hong, Nguyen To Anh, Nguyen Thi Hoang Mai, Ho Dang Trung Nghia, Le Nguyen Truc Nhu, Tran Tan Thanh, Nguyen Hoan Phu, Xutao Deng, H Rogier van Doorn, Nguyen Van Vinh Chau, Eric Delwart, Guy Thwaites, Le Van Tan
Background: Meningoencephalitis is a devastating disease worldwide. Current diagnosis fails to establish the cause in ≥50% of patients. Metagenomic next-generation sequencing (mNGS) has emerged as pan-pathogen assays for infectious diseases diagnosis, but few studies have been conducted in resource-limited settings. Methods: We assessed the performance of mNGS in the cerebrospinal fluid (CSF) of 66 consecutively treated adults with meningoencephalitis in a tertiary referral hospital for infectious diseases in Vietnam, a resource-limited setting...
March 2020: Open Forum Infectious Diseases
https://read.qxmd.com/read/32153407/the-p2x7-receptor-489c-t-gain-of-function-polymorphism-favors-hhv-6a-infection-and-associates-with-female-idiopathic-infertility
#13
Anna Pegoraro, Daria Bortolotti, Roberto Marci, Elisabetta Caselli, Simonetta Falzoni, Elena De Marchi, Francesco Di Virgilio, Roberta Rizzo, Elena Adinolfi
The P2X7 receptor (P2X7R) is an ATP-gated ion channel known for its proinflammatory activity. Despite its participation in host defense against pathogens, the role played in viral infections, notably those caused by herpes viruses, has been seldom studied. Here we investigated the effect of P2X7R expression on human herpes virus 6 A (HHV-6A) infection of P2X7R-expressing HEK293 cells. We show that functional P2X7R increases while its blockade decreases viral load. Interestingly, HHV-6A infection was enhanced in HEK293 cells transfected with P2X7R cDNA bearing the gain of function 489C>T SNP (rs208294, replacing a histidine for tyrosine at position 155)...
2020: Frontiers in Pharmacology
https://read.qxmd.com/read/32152665/classic-hodgkin-lymphoma-and-castleman-disease-an-entity-appears-to-be-emerging
#14
Kirill A Lyapichev, M James You, Francisco Vega, Luisa M Solis, L Jeffrey Medeiros
Hodgkin lymphoma is a B cell neoplasm characterized by Hodgkin and Reed-Sternberg (HRS) cells in an inflammatory background. Classic Hodgkin lymphoma (CHL) accounts for approximately 90% of all cases of HL and four types are recognized in the World Health Organization (WHO) classification: lymphocyte-rich, nodular sclerosis, mixed cellularity, and lymphocyte depleted. Castleman disease (CD) is a designation used for a heterogeneous group of diseases that involve lymph nodes. Histologically, there are hyaline vascular and plasma cell variants, the latter including human herpes virus 8 (HHV8)-positive and HHV8-negative subsets...
March 9, 2020: Virchows Archiv: An International Journal of Pathology
https://read.qxmd.com/read/32134994/resolution-of-herpes-simplex-virus-reactivation-in-vivo-results-in-neuronal-destruction
#15
Jessica R Doll, Kasper Hoebe, Richard L Thompson, Nancy M Sawtell
A fundamental question in herpes simplex virus (HSV) pathogenesis is the consequence of viral reactivation to the neuron. Evidence supporting both post-reactivation survival and demise is published. The exceedingly rare nature of this event at the neuronal level in the sensory ganglion has limited direct examination of this important question. In this study, an in-depth in vivo analysis of the resolution of reactivation was undertaken. Latently infected C57BL/6 mice were induced to reactivate in vivo by hyperthermic stress...
March 2020: PLoS Pathogens
https://read.qxmd.com/read/32129559/sydney-facial-nerve-clinic-experience-of-a-multidisciplinary-team
#16
Raymond Hayler, Jonathan Clark, Glen Croxson, Susan Coulson, Gazi Hussain, Quan Ngo, Sydney Ch'ng, Tsu-Hui Hubert Low
BACKGROUND: The Sydney Facial Nerve Clinic (SFNC) is a multidisciplinary clinic established in 2015, consisting of surgeons (otolaryngologists, head and neck and plastics/reconstructive), physiotherapists and speech pathologists. METHODS: We reviewed patients who attended the SFNC in the first 3 years and who had their symptoms recorded using the Facial Disability Index, and clinical staging recorded utilising the House-Brackmann (HB) score, Sydney Facial Nerve Score and Sunnybrook Facial Grading System (SFGS)...
March 4, 2020: ANZ Journal of Surgery
https://read.qxmd.com/read/32122691/genital-herpes-and-pregnancy-evaluating-practices-and-knowledge-of-french-health-care-providers
#17
Estelle Heggarty, Jeanne Sibiude, Laurent Mandelbrot, Christelle Vauloup-Fellous, Olivier Picone
BACKGROUND: Genital herpes during pregnancy is a frequent occurrence, whereas infection of newborns is rare but likely severe. In the absence of specific national guidelines from the CNGOF (French National College of Gynaecologists and Obstetricians) in France until December 2017, we supposed that knowledge of health care providers on the topic was not up to date. OBJECTIVE: To assess health care provider knowledge of genital herpes and management practices during pregnancy, before the publication of national recommendations edited by the CNGOF...
February 26, 2020: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://read.qxmd.com/read/32114571/herpes-zoster-and-subsequent-cancer-risk-a-nationwide-population-based-cohort-study-in-korea
#18
Miri Kim, Kyungdo Han, Seung Ah Yoo, Ji Hyun Lee
BACKGROUND: It is well known that an immunosuppressed status such as cancer is a risk factor for herpes zoster (HZ), but little is known about whether HZ affects cancer development. OBJECTIVES: This study aimed to investigate the association between HZ and subsequent cancer risk by cancer type. METHODS: We conducted a nationwide retrospective cohort study using the Korean National Health Insurance claims database. The study enrolled 1,568,818 patients: 784,409 diagnosed with HZ between 2010 and 2015 were included in the HZ group, and 784,409 matched controls without HZ were included in the non-HZ group, with 1:1 exact matching for age, sex, and index year...
February 28, 2020: Dermatology: International Journal for Clinical and Investigative Dermatology
https://read.qxmd.com/read/32111528/field-challenges-to-measles-elimination-in-the-democratic-republic-of-the-congo
#19
R M Coulborn, F Nackers, C Bachy, K Porten, H Vochten, E Ndele, M Van Herp, E Bibala-Faray, S Cohuet, I Panunzi
BACKGROUND: During a measles epidemic, the Ministry of Public Health (MOH) of the Democratic Republic of the Congo conducted supplementary immunization activities (2016-SIA) from August 28-September 3, 2016 throughout Maniema Province. From October 29-November 4, 2016, Médecins Sans Frontières and the MOH conducted a reactive measles vaccination campaign (2016-RVC) targeting children six months to 14 years old in seven health areas with heavy ongoing transmission despite inclusion in the 2016-SIA, and a post-vaccination survey...
February 25, 2020: Vaccine
https://read.qxmd.com/read/32104099/herpes-zoster-hepatitis-c-and-tuberculosis-risk-with-apremilast-compared-to-biologics-dmards-and-corticosteroids-to-treat-psoriasis-and-psoriatic-arthritis
#20
Katrina Wilcox Hagberg, Rebecca Persson, Catherine Vasilakis-Scaramozza, Steve Niemcryk, Michael Peng, Maria Paris, Anders Lindholm, Susan Jick
Purpose: Psoriasis and psoriatic arthritis (PsA) are associated with an increased infection risk. In this cohort study of patients with treated psoriasis or PsA, we used MarketScan (2014-2018) to estimate rates of herpes zoster, hepatitis C (HepC) and tuberculosis (TB) with apremilast compared to other systemic treatments. Materials and Methods: Patients were exposed from first apremilast [APR], DMARD, TNF-inhibitor [TNF], IL-inhibitor [IL], or corticosteroids [CS] prescription after March 21, 2014...
2020: Clinical Epidemiology
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