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Reviews in Medical Virology

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https://www.readbyqxmd.com/read/29148608/criteria-to-define-interruption-of-transmission-of-human-cytomegalovirus-from-organ-donor-to-recipient
#1
REVIEW
Ilona Anna Baraniak, Matthew B Reeves, Paul D Griffiths
In this review article, we consider results suggesting that transmission of human cytomegalovirus (HCMV) from a donor of a solid organ to an immunologically naive individual can be reduced. Two randomized controlled trials have been conducted recently, one of active immunization of recipients pretransplant and another of passive immunization with monoclonal antibodies specific for HCMV given at the time of transplant. Although the available data are encouraging-providing evidence of a reduction in the incidence of HCMV viraemia-they fall short of what would be required to prove definitively that transmission has been completely prevented...
November 17, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29148605/an-overview-rabbit-hepatitis-e-virus-hev-and-rabbit-providing-an-animal-model-for-hev-study
#2
REVIEW
Lin Wang, Lin Liu, Ling Wang
Hepatitis E virus (HEV) is a single-stranded, positive-sense RNA virus and the causative agent of hepatitis E. The virus belongs to genus Orthohepevirus in the family Hepeviridae, which contains 4 major genotypes closely relating to humans. Genotypes 1 and 2 only infect humans whereas genotypes 3 and 4 HEV are harbored in a wide range of animal species worldwide and are zoonotic to humans. Recently, a novel animal strain of HEV has been isolated in farmed rabbits in China, and subsequently more strains were discovered in the rabbit populations in at least 7 other countries...
November 17, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29148108/human-pegivirus-hpgv-infection-in-sub-saharan-africa-a-call-for-a-renewed-research-agenda
#3
REVIEW
Shivank Singh, Jason T Blackard
The human pegivirus (HPgV)-formerly GB virus C-has a beneficial impact on HIV disease progression that has been described in multiple studies. Given the high prevalence of HIV in sub-Saharan Africa and the continuing need to suppress HIV replication, this review provides a comprehensive overview of the existing data on HPgV infection in sub-Saharan Africa, with a particular focus on studies of prevalence and the circulating HPgV genotypes. This review also highlights the need for additional studies of HPgV conducted on the African continent and proposes a research agenda for evaluation of HPgV...
November 17, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29143392/is-dr-von-magnus-to-blame-for-the-withdrawal-of-live-attenuated-influenza-vaccine
#4
EDITORIAL
P D Griffiths
No abstract text is available yet for this article.
November 15, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29143387/cytomegalovirus-is-still-in-intensive-care
#5
EDITORIAL
P D Griffiths
No abstract text is available yet for this article.
November 15, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29135056/a-systematic-review-of-the-associations-between-hiv-hcv-coinfection-and-biomarkers-of-cardiovascular-disease
#6
REVIEW
Olatokunbo Osibogun, Oluseye Ogunmoroti, Erin D Michos, Erica S Spatz, Babatunde Olubajo, Khurram Nasir, Wasim Maziak
The incidence of human immunodeficiency virus (HIV) and hepatitis C virus (HCV) coinfection has been increasing with over 10 million people affected globally. The role biomarkers play as predictors of cardiovascular disease (CVD) risk among coinfected individuals is not well defined. We aimed to systematically review current evidence describing CVD biomarkers among individuals with HIV/HCV coinfection. We searched EMBASE, CINAHL, Google Scholar, PubMed, and Web of Science from inception to June 2017. MeSH terms and keywords were used to identify studies with information on HIV/HCV coinfection and CVD biomarkers (structural, functional, and serological) such as carotid intima-media thickness (CIMT), endothelial markers, C-reactive protein (CRP), homocysteine, and lipids...
November 14, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29048711/rotavirus-virus-like-particles-rv-vlps-vaccines-an-update
#7
REVIEW
Harish Changotra, Avni Vij
Rotaviruses (RVs) cause over 0.2 million deaths annually and are reported to be the foremost cause of gastroenteritis in infants and children worldwide. Vaccination against RVs is the most successful and unsurpassed strategy to combat infection to date. Although the 2 current vaccines, Rotarix and RotaTeq, have dramatically reduced the disease burden, still there is a need for new vaccines. In this context, RV virus-like particles (RV-VLPs) represent potential vaccine candidates as they are noninfectious and effective nonreplicating immunogens that may reduce the risk of side effects related to the conventional vaccines...
October 19, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29047180/systematic-screening-of-viral-entry-inhibitors-using-surface-plasmon-resonance
#8
REVIEW
Penmetcha K R Kumar
Viral binding and entry into host cells for various viruses have been studied extensively, yielding a detailed understanding of the overall viral entry process. As cell entry is an essential and requisite process by which a virus initiates infection, it is an attractive target for therapeutic intervention. The advantages of targeting viral entry are an extracellular target site, relatively easy access for biological interventions, and lower toxicity. Several cell-based strategies and biophysical techniques have been used to screen compounds that block viral entry...
October 18, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29027728/hepatitis-in-aids-patients
#9
REVIEW
Muhammad Imran Qadir
The individuals with HIV infection are more susceptible to develop coinfections with infectious pathogens such as HCV and HBV. The routes of transmission of these pathogens are the same including sexual contact, injection drug use, or at birth from mother to an infant. The main reason of morbidity and mortality in HIV infected individuals is a liver disease in the context of antiretroviral therapy, and coinfection such as HCV and HBV complicates this condition. Nucleos(t)ide analogues are used for HBV infection management, and treatment of HCV infection is done by PegIFN and ribavirin combination and protease inhibitors...
October 13, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29024283/mechanisms-of-human-cytomegalovirus-infection-with-a-focus-on-epidermal-growth-factor-receptor-interactions
#10
REVIEW
Aline Semblano Carreira Falcão, Pedro Fernando da Costa Vasconcelos, Dorotéa de Fátima Lobato da Silva, João de Jesus Viana Pinheiro, Luiz Fábio Magno Falcão, Juarez Antonio Simões Quaresma
Human cytomegalovirus (HCMV) is a widespread opportunistic herpesvirus that causes severe diseases in immunocompromised individuals. It has a high prevalence worldwide that is linked with socioeconomic factors. Similar to other herpesviruses, HCMV has the ability to establish lifelong persistence and latent infection following primary exposure. HCMV infects a broad range of cell types. This broad tropism suggests that it may use multiple receptors for host cell entry. The identification of receptors used by HCMV is essential for understanding viral pathogenesis, because these receptors mediate the early events necessary for infection...
October 11, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/28929534/emerging-arboviruses-in-rio-grande-do-sul-brazil-chikungunya-and-zika-outbreaks-2014-2016
#11
Tatiana Schäffer Gregianini, Tani Ranieri, Cátia Favreto, Zenaida Marion Alves Nunes, Gabriela Luchiari Tumioto Giannini, Nara Druck Sanberg, Marilda Tereza Mar da Rosa, Ana Beatriz Gorini da Veiga
QUESTIONS INVESTIGATED: The recent emergence of arboviruses such as Chikungunya virus (CHIKV) and Zika virus (ZIKV) in Brazil has posed a threat to human health and to the country's economy. Outbreaks occur mainly in tropical areas; however, increasing number of cases have been observed in Rio Grande do Sul (RS), the Southernmost state; therefore, surveillance of these arboviruses is essential for public health measures. DESIGN: In this study, we analyzed 1276 samples from patients with clinically suspected arboviral diseases between 2014 and 2016...
September 20, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/28905444/response-to-hepatitis-b-vaccination-in-patients-with-liver-cirrhosis
#12
REVIEW
Ioanna Aggeletopoulou, Panagiota Davoulou, Christos Konstantakis, Konstantinos Thomopoulos, Christos Triantos
Hepatitis B vaccination is strongly recommended for all infants and children but also for adults who are at risk of HBV infection. Attempts to immunize patients with liver cirrhosis have been proven relatively ineffective, and several strategies have already been used to improve the immune response in this group. The primary aim of this review is to examine, discuss, and summarize the immunogenicity of hepatitis B vaccination in patients with liver cirrhosis. MEDLINE search identified 11 studies (n = 961)...
September 14, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/28876496/seroprevalence-and-incidence-of-hepatitis-e-virus-among-blood-donors-a-review
#13
REVIEW
Duaa W Al-Sadeq, Amin F Majdalawieh, Gheyath K Nasrallah
Hepatitis E virus (HEV) is an RNA virus with 4 main genotypes. HEV-1 and HEV-2 infect solely humans, while HEV-3 and HEV-4 infect humans and various animals such as pigs, deer, and rabbits. HEV-5 and HEV-6 infect mainly wild boar. Recently, new genotypes, known as HEV-7 and HEV-8, were found to infect camels and humans. HEV is globally distributed into different epidemiological patterns based on socioeconomic factors and ecology. Although HEV is mainly transmitted through the fecal-oral route, it was also recognized as a transfusion-transmitted virus...
September 6, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/28876493/hearing-and-neurodevelopmental-outcomes-for-children-with-asymptomatic-congenital-cytomegalovirus-infection-a-systematic-review
#14
REVIEW
Adam W Bartlett, Brendan McMullan, William D Rawlinson, Pamela Palasanthiran
INTRODUCTION: Congenital CMV is one of the commonest congenital infections and a recognised cause of sensorineural hearing loss and neurodevelopmental impairment. Ninety percent are clinically inapparent at birth but are reported to be at risk of developing such abnormalities throughout childhood, the extent of which requires further elucidation. METHODS: A systematic literature review was conducted using Medline and Embase databases, manual citation review, and personal libraries for articles reporting primary data on hearing and neurodevelopmental outcomes for children with asymptomatic congenital CMV...
September 6, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/28857395/hiv-in-retreat
#15
EDITORIAL
Philip Mortimer
No abstract text is available yet for this article.
August 30, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/28857363/impact-of-transmission-cycles-and-vector-competence-on-global-expansion-and-emergence-of-arboviruses
#16
REVIEW
Ankita Agarwal, Manmohan Parida, Paban Kumar Dash
Arboviruses are transmitted between arthropod vectors and vertebrate host. Arboviral infection in mosquitoes is initiated when a mosquito feeds on a viremic host. Following ingestion of a viremic blood meal by mosquitoes, virus enters midgut along with the blood, infects and replicates in midgut epithelial cells, and then escapes to the hemocoel, from where it disseminates to various secondary organs including salivary glands. Subsequently, when mosquito bites another host, a new transmission cycle is initiated...
August 30, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/28857345/basic-overview-of-method-validation-in-the-clinical-virology-laboratory
#17
REVIEW
Howard Newman, Jean Maritz
Diagnostic virology laboratories are an essential part of the health system and are often relied upon to provide information to clinicians that will inform clinical decision making. It is therefore imperative that diagnostic results produced in the laboratory are reliable. One way of ensuring quality results is by ensuring that all tests are either validated (for tests developed in-house) or verified (for commercial assays that are FDA-approved or CE-labeled). In the diagnostic virology laboratory, these processes can be complex as both qualitative and quantitative measurements for serological and molecular tests are routinely offered...
August 30, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/28677223/disruption-of-gastrointestinal-integrity-in-patients-with-hiv-infection
#18
EDITORIAL
P D Griffiths
No abstract text is available yet for this article.
July 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/28664574/the-human-cytomegalovirus-nuclear-egress-complex-unites-multiple-functions-recruitment-of-effectors-nuclear-envelope-rearrangement-and-docking-to-nuclear-capsids
#19
REVIEW
Manfred Marschall, Yves A Muller, Benedikt Diewald, Heinrich Sticht, Jens Milbradt
BACKGROUND: Nuclear replication represents a common hallmark of herpesviruses achieved by a number of sequentially unrolled regulatory processes. A rate-limiting step is provided by nucleo-cytoplasmic capsid export, for which a defined multiregulatory protein complex, namely, the nuclear egress complex (NEC), is assembled comprising both viral and cellular components. The NEC regulates at least 3 aspects of herpesviral nuclear replication: (1) multimeric recruitment of NEC-associated effector proteins, (2) reorganization of the nuclear lamina and membranes, and (3) the docking to nuclear capsids...
July 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/28573797/is-salivary-iga-level-a-potential-biomarker-for-immunosuppression-in-hiv-positive-children-a-systematic-review-and-meta-analysis
#20
REVIEW
Fawad Javed, Zohaib Akram, Munerah Saleh Binshabaib, Shatha Subhi ALHarthi, Sergio Varela Kellesarian, Fahim Vohra
The aim of this systematic review was to determine whether or not assessment of salivary secretory immunoglobulin A (sIgA) levels could be a potential biomarker for immunosuppression in HIV-positive children. The Patient, Exposure, Comparative, Outcome question was "Is sIgA level a potential biomarker for immunosuppression in HIV-positive children?" Electronic and manual literature searches were conducted in indexed databases (MEDLINE, PubMed, EMBASE, ScienceDirect, and SCOPUS databases) up to and including June 2017...
July 2017: Reviews in Medical Virology
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