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Guillain–Barré zika

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https://www.readbyqxmd.com/read/28632511/zika-virus-a-cause-of-concern-in-transplantation
#1
Marilyn E Levi
PURPOSE OF REVIEW: Worldwide, the number of countries reporting Zika virus (ZKV) infection continues to increase. Although 80% of cases are asymptomatic, ZKV has been identified as a neurotropic virus associated with congenital microcephaly, Guillain-Barre' syndrome, and meningoencephalitis. Until recently, infection in transplant recipients has not been identified. This study will review the existing literature on ZKV infection, laboratory testing, and management in transplant recipients...
June 16, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28617719/guillain-barr%C3%A3-syndrome-and-zika-virus-outbreaks
#2
Osvaldo J M Nascimento, Ivan R F da Silva
PURPOSE OF REVIEW: Arboviruses have been associated with central and peripheral nervous system injuries, in special the flaviviruses. Guillain-Barré syndrome (GBS), transverse myelitis, meningoencephalitis, ophthalmological manifestations, and other neurological complications have been recently associated to Zika virus (ZIKV) infection. In this review, we aim to analyze the epidemiological aspects, possible pathophysiology, and what we have learned about the clinical and laboratory findings, as well as treatment of patients with ZIKV-associated neurological complications...
June 14, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28601976/zika-virus-as-an-emerging-neuropathogen-mechanisms-of-neurovirulence-and-neuro-immune-interactions
#3
REVIEW
Gerwyn Morris, Tatiana Barichello, Brendon Stubbs, Cristiano A Köhler, André F Carvalho, Michael Maes
Zika virus (ZIKV) is an emerging arbovirus of the genus Flaviviridae, which causes a febrile illness and has spread from across the Pacific to the Americas in a short timeframe. Convincing evidence has implicated the ZIKV to incident cases of neonatal microcephaly and a set of neurodevelopmental abnormalities referred to as the congenital Zika virus syndrome. In addition, emerging data points to an association with the ZIKV and the development of the so-called Guillain-Barre syndrome, an acute autoimmune polyneuropathy...
June 11, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28592527/zika-virus-hijacks-stress-granule-proteins-and-modulates-the-host-stress-response
#4
Shangmei Hou, Anil Kumar, Zaikun Xu, Adriana M Airo, Iryna Stryapunina, Cheung Pang Wong, William Branton, Egor Tchesnokov, Matthias Götte, Christopher Power, Tom C Hobman
Zika virus (ZIKV), a member of the Flaviviridae family, has recently emerged as an important human pathogen with increasing economic and health impact worldwide. Because of its teratogenic nature and association with the serious neurological condition Guillain-Barré syndrome, a tremendous amount of effort has focused on understanding ZIKV pathogenesis. To gain further insights into ZIKV interaction with host cells, we investigated how this pathogen affects stress response pathways. While ZIKV infection induces stress signaling that leads to phosphorylation of eIF2α and cellular translational arrest, stress granule (SG) formation was inhibited...
June 7, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28577343/de-novo-rna-synthesis-catalyzed-by-the-zika-virus-rna-polymerase-domain
#5
Christina Calmels, Michel Ventura, Cindy Aknin, Mathieu Métifiot, Marie-Line Andreola
Mosquito- and tick-borne pathogens including Chikungunya, Dengue, Japanese encephalitis, West Nile, Yellow fever and Zika virus, represent a new economic and public health challenge. In the absence of effective vaccines and specific therapies, only supportive regimens are administrated for most of these infections. Thus, the development of a targeted therapy is mandatory to stop the rapid progression of these pathogens and preoccupant associated burdens such as Guillain-Barre syndrome, microcephaly. For this, it is essential to develop biochemical tools to help study and target key viral enzymes involved in replication such as helicase complexes, methyl-transferases and RNA-dependent RNA polymerases...
June 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28575919/zika-virus-infection-in-pregnant-women-and-microcephaly
#6
Geraldo Duarte, Antonio Fernandes Moron, Artur Timerman, César Eduardo Fernandes, Corintio Mariani Neto, Gutemberg Leão de Almeida Filho, Heron Werner Junior, Hilka Flavia Barra do Espírito Santo, João Alfredo Piffero Steibel, João Bortoletti Filho, Juvenal Barreto Borriello de Andrade, Marcelo Burlá, Marcos Felipe Silva de Sá, Newton Eduardo Busso, Paulo César Giraldo, Renato Augusto Moreira de Sá, Renato Passini Junior, Rosiane Mattar, Rossana Pulcineli Vieira Francisco
From the discovery of the Zika virus (ZIKV) in 1947 in Uganda (Africa), until its arrival in South America, it was not known that it would affect human reproductive life so severely. Today, damage to the central nervous system is known to be multiple, and microcephaly is considered the tip of the iceberg. Microcephaly actually represents the epilogue of this infection's devastating process on the central nervous system of embryos and fetuses. As a result of central nervous system aggression by the ZIKV, this infection brings the possibility of arthrogryposis, dysphagia, deafness and visual impairment...
May 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28562637/identification-of-diagnostic-peptide-regions-that-distinguish-zika-virus-from-related-mosquito-borne-flaviviruses
#7
Alexandra J Lee, Roshni Bhattacharya, Richard H Scheuermann, Brett E Pickett
Zika virus (ZIKV) is a member of the Flavivirus genus of positive-sense single-stranded RNA viruses, which includes Dengue, West Nile, Yellow Fever, and other mosquito-borne arboviruses. Infection by ZIKV can be difficult to distinguish from infection by other mosquito-borne Flaviviruses due to high sequence similarity, serum antibody cross-reactivity, and virus co-circulation in endemic areas. Indeed, existing serological methods are not able to consistently differentiate ZIKV from other Flaviviruses, which makes it extremely difficult to accurately calculate the incidence rate of Zika-associated Guillain-Barre in adults, microcephaly in newborns, or asymptomatic infections within a geographical area...
2017: PloS One
https://www.readbyqxmd.com/read/28531943/recent-trends-in-zikv-research-a-step-away-from-cure
#8
REVIEW
Aftab Alam, Nikhat Imam, Anam Farooqui, Shahnawaz Ali, Md Zubbair Malik, Romana Ishrat
Zika virus (ZikV) is a member of the Flaviviridae virus family, genus Flavivirus has emerged as a potential threat to human health worldwide. Consequences of vertical infections includes microcephaly with brain and eye anomalies, and adult infections includes Guillain-Barrésyndrome (GBS), brain ischemia, myelitis and meningoencephalitis. To develop a better treatment, many efforts are being made, like drug-repurposing concept for FDA-approved drugs for antiviral activity are screened against ZikV infection and emerging as a promising alternative to expedite drug development and various vaccines like DNA, ZPIV, LAIV, mRNA and AGS-v vaccines have been designed and in under clinical trial phases...
July 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28530022/development-of-a-reverse-transcription-quantitative-polymerase-chain-reaction-based-assay-for-broad-coverage-detection-of-african-and-asian-zika-virus-lineages
#9
Yang Yang, Gary Wong, Baoguo Ye, Shihua Li, Shanqin Li, Haixia Zheng, Qiang Wang, Mifang Liang, George F Gao, Lei Liu, Yingxia Liu, Yuhai Bi
The Zika virus (ZIKV) is an arbovirus that has spread rapidly worldwide within recent times. There is accumulating evidence that associates ZIKV infections with Guillain-Barré Syndrome (GBS) and microcephaly in humans. The ZIKV is genetically diverse and can be separated into Asian and African lineages. A rapid, sensitive, and specific assay is needed for the detection of ZIKV across various pandemic regions. So far, the available primers and probes do not cover the genetic diversity and geographic distribution of all ZIKV strains...
May 19, 2017: Virologica Sinica
https://www.readbyqxmd.com/read/28527274/caracter%C3%A3-sticas-de-la-estructura-molecular-de-las-prote%C3%A3-nas-e-del-virus-del-zika-y-e1-del-virus-de-la-rub%C3%A3-ola-y-posibles-implicaciones-en-el-neurotropismo-y-en-las-alteraciones-del-sistema-nervioso
#10
Luis Alberto Gómez, Gladis Montoya, Hernán Mauricio Rivera, Juan Carlos Hernández
Introducción. El virus del Zika (ZIKV) es un flavivirus con envoltura, transmitido a los seres humanos principalmente por el vector Aedes aegypti. La infección por ZIKV se ha asociado con un gran neurotropismo y con efectos neuropáticos, como el síndrome de Guillain-Barré en el adulto y la microcefalia fetal y posnatal, así como con un síndrome de infección congénita similar al producido por el virus de la rubéola (RV).Objetivo. Comparar las estructuras moleculares de la proteína de envoltura E del virus del Zika (E-ZIKV) y de la E1 del virus de la rubéola (E1-RV), y plantear posibles implicaciones en el neurotropismo y en las alteraciones del sistema nervioso asociadas con el ZIKV...
April 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28502333/zika-virus-epidemiology-pathogenesis-and-human-disease
#11
REVIEW
Elizabeth K Nugent, Anne K Nugent, Rebecca Nugent, Kenneth Nugent
The Zika virus is a positive sense, single-stranded RNA arbovirus in the Flaviviridae family, genus Flavivirus. This virus was initially isolated in Africa and is transmitted to nonhuman primates and humans by mosquitoes. Initial reports describe sporadic mild viral infection with fever, arthralgia, myalgia and conjunctivitis in Africa and Asia. However, its geographic distribution has significantly increased, and it has caused large outbreaks in the Yap Islands in 2007, in French Polynesia in 2013 and in Brazil in 2015...
May 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28487557/humoral-cross-reactivity-between-zika-and-dengue-viruses-implications-for-protection-and-pathology
#12
REVIEW
Lalita Priyamvada, William Hudson, Rafi Ahmed, Jens Wrammert
Zika virus (ZIKV) is a re-emerging mosquito-borne flavivirus that has recently caused extensive outbreaks in Central and South America and the Caribbean. Given its association with Guillain-Barré syndrome in adults and neurological and ocular malformities in neonates, ZIKV has become a pathogen of significant public health concern worldwide. ZIKV shares a considerable degree of genetic identity and structural homology with other flaviviruses, including dengue virus (DENV). In particular, the surface glycoprotein envelope (E), which is involved in viral fusion and entry and is therefore a chief target for neutralizing antibody responses, contains regions that are highly conserved between the two viruses...
May 10, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28483992/author-response-acute-zika-infection-with-concurrent-onset-of-guillain-barr%C3%A3-syndrome
#13
Paul L Timmings, Ronald Siu, Wajih Bukhari, Angela Todd, Wendy Gunn
No abstract text is available yet for this article.
May 9, 2017: Neurology
https://www.readbyqxmd.com/read/28483991/letter-re-acute-zika-infection-with-concurrent-onset-of-guillain-barr%C3%A3-syndrome
#14
Patrick Gérardin, Van-Mai Cao-Lormeau, Patrice Tournebize, Thomas Cerny
No abstract text is available yet for this article.
May 9, 2017: Neurology
https://www.readbyqxmd.com/read/28483386/zika-virus-and-guillain-barr%C3%A3-syndrome
#15
EDITORIAL
T Dub, A Fontanet
No abstract text is available yet for this article.
May 5, 2017: Revue Neurologique
https://www.readbyqxmd.com/read/28480282/pediatric-drug-nitazoxanide-a-potential-choice-for-control-of-zika
#16
Rui-Yuan Cao, Yong-Fen Xu, Tian-Hong Zhang, Jing-Jing Yang, Ye Yuan, Pei Hao, Yi Shi, Jin Zhong, Wu Zhong
Zika virus (ZIKV) infection can be the cause of congenital malformations, including microcephaly in infants and can cause other disorders such as Guillain-Barré syndrome, meningoencephalitis, and myelitis, which can also occur in some infected adults. However, at this time, there is no drug approved to treat ZIKV infection. Drug repurposing is the promptest way to obtain an effective drug during a global public health emergency such as the spread of Zika virus. In this study, we report a US Food and Drug Admistration-approved drug that is safe for pediatric use...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28479349/development-of-the-abbott-realtime-zika-assay-for-the-qualitative-detection-of-zika-virus-rna-from-serum-plasma-urine-and-whole-blood-specimens-using-the-m2000-system
#17
Matthew B Frankel, Kinnari Pandya, Jeffrey Gersch, Sarah Siddiqui, George J Schneider
Zika virus is an arthropod-borne flavivirus that has rapidly developed into a world-wide concern. Discovered in 1947, the virus was relatively obscure until an outbreak occurred in 2007 in the Yap islands and spread eventually to the Americas in 2015. Only 20% of patients infected with Zika virus develop symptoms. However, there can be serious consequences of infection including birth defects in developing fetuses and links to Guillain-Barré syndrome. The swift rise in infections has necessitated the development of diagnostic tests for both the detection of viral RNA and the presence of virus-specific antibodies...
August 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28466030/emerging-zika-virus-disease-a-public-health-emergency-of-global-concern
#18
Sai V Chitti, Anil K Prasad, Shailendra K Saxena
Infectious diseases remain a leading source of human morbidity and mortality. Recently, emerging infectious diseases are dominated by zoonoses, and eventually rising considerably. Their emergence is dependent on various factors especially, socioeconomic, environmental and ecological factors etc. Recently, the swift spread of Zika virus (ZIKV) through the Americas, simultaneously with the association of infection with microcephaly and Guillain-Barré syndrome, has strained this previously overlooked virus into the global attention...
September 2016: Virusdisease
https://www.readbyqxmd.com/read/28461070/suramin-inhibits-zika-virus-replication-by-interfering-with-virus-attachment-and-release-of-infectious-particles
#19
Irina C Albulescu, Kristina Kovacikova, Ali Tas, Eric J Snijder, Martijn J van Hemert
Zika virus (ZIKV) is a mosquito-borne flavivirus that mostly causes asymptomatic infections or mild disease characterized by low-grade fever, rash, conjunctivitis, and malaise. However, the recent massive ZIKV epidemics in the Americas have also linked ZIKV infection to fetal malformations like microcephaly and Guillain-Barré syndrome in adults, and have uncovered previously unrecognized routes of vertical and sexual transmission. Here we describe inhibition of ZIKV replication by suramin, originally an anti-parasitic drug, which was more recently shown to inhibit multiple viruses...
April 28, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28457610/zika-virus-persistence-in-the-central-nervous-system-and-lymph-nodes-of-rhesus-monkeys
#20
Malika Aid, Peter Abbink, Rafael A Larocca, Michael Boyd, Ramya Nityanandam, Ovini Nanayakkara, Amanda J Martinot, Edward T Moseley, Eryn Blass, Erica N Borducchi, Abishek Chandrashekar, Amanda L Brinkman, Katherine Molloy, David Jetton, Lawrence J Tartaglia, Jinyan Liu, Katharine Best, Alan S Perelson, Rafael A De La Barrera, Mark G Lewis, Dan H Barouch
Zika virus (ZIKV) is associated with severe neuropathology in neonates as well as Guillain-Barré syndrome and other neurologic disorders in adults. Prolonged viral shedding has been reported in semen, suggesting the presence of anatomic viral reservoirs. Here we show that ZIKV can persist in cerebrospinal fluid (CSF) and lymph nodes (LN) of infected rhesus monkeys for weeks after virus has been cleared from peripheral blood, urine, and mucosal secretions. ZIKV-specific neutralizing antibodies correlated with rapid clearance of virus in peripheral blood but remained undetectable in CSF for the duration of the study...
May 4, 2017: Cell
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