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Guillain–Barré zika

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https://www.readbyqxmd.com/read/28806562/zika-virus-induced-neurological-critical-illness-in-latin-america-severe-guillain-barre-syndrome-and-encephalitis
#1
Sebastián U Ugarte, Angel Ricardo V Arenas, Bruno C Alvarez, Angela Cubides, Angélica F Luna, Max Arroyo-Parejo, Cayri E Acuña, Agamenón V Quintero, Orlando Ch Villareal, Oscar S Pinillos, Elías Vieda, Manuel Bello, Susana Peña, Carmelo Dueñas-Castell, Gloria M V Rodriguez, Jorge L M Ranero, Rosa L M López, Sandra G Olaya, José C Vergara, Ana Tandazo, Juan P S Ospina, Igor M Leyton Soto, R A Fowler, John C Marshall
Zika virus (ZIKAV) is classically described as causing minor symptoms in adult patients, however neurologic complications have been recognized. The recent outbreak in Central and South America has resulted in serious illness in some adult patients. We report adult patients in Latin America diagnosed with ZIKAV infection admitted to Intensive Care Units (ICUs). METHODS: Multicenter, prospective case series of adult patients with laboratory diagnosis of ZIKAV in 16 ICUs in 8 countries. RESULTS: Between December 1st 2015 and April 2nd 2016, 16 ICUs in 8 countries enrolled 49 critically ill patients with diagnosis of ZIKAV infection...
August 9, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28806479/zika-virus-disease-in-children-in-colombia-august-2015-to-may-2016
#2
Natalia Tolosa, Sarah C Tinker, Oscar Pacheco, Diana Valencia, Daniela Salas Botero, Van T Tong, Marcela Mercado, Suzanne M Gilboa, Maritza Gonzalez, Christina A Nelson, Lissethe Pardo, Carol Y Rao, Angélica Rico, Meredith Moore, Edgar Parra, Margaret A Honein, Martha L Ospina Martínez
BACKGROUND: Children are considered a potentially vulnerable population for Zika virus infection. However, data on paediatric Zika virus infection are sparse. METHODS: We analysed data from Colombia's national surveillance system during the 2015-2016 Zika virus outbreak on patients meeting the clinical case definition of Zika virus disease (ZVD) among children aged 1 month to 18 years to estimate incidence by demographic characteristics and characterize the occurrence of selected complications...
August 14, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28806453/neurologic-complications-associated-with-the-zika-virus-in-brazilian-adults
#3
Ivan Rocha Ferreira da Silva, Jennifer A Frontera, Ana Maria Bispo de Filippis, Osvaldo Jose Moreira do Nascimento
Importance: There are no prospective cohort studies assessing the incidence and spectrum of neurologic manifestations secondary to Zika virus (ZIKV) infection in adults. Objective: To evaluate the rates of acute ZIKV infection among patients hospitalized with Guillain-Barré syndrome (GBS), meningoencephalitis, or transverse myelitis. Design, Setting, and Participants: A prospective, observational cohort study was conducted at a tertiary referral center for neurological diseases in Rio de Janeiro, Brazil, between December 5, 2015, and May 10, 2016, among consecutive hospitalized adults (>18 years of age) with new-onset acute parainfectious or neuroinflammatory disease...
August 14, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28795266/whole-genome-sequence-analysis-of-zika-virus-amplified-from-urine-of-traveler-from-the-philippines
#4
Se Hun Gu, Dong Hyun Song, Daesang Lee, Jeyoun Jang, Min Young Kim, Jaehun Jung, Koung In Woo, Mirang Kim, Woong Seog, Hong Sang Oh, Byung Seop Choi, Jong-Seong Ahn, Quehn Park, Seong Tae Jeong
Zika virus (ZIKV) (genus Flavivirus, family Flaviviridae) is an emerging pathogen associated with microcephaly and Guillain-Barré syndrome. The rapid spread of ZIKV disease in over 60 countries and the large numbers of travel-associated cases have caused worldwide concern. Thus, intensified surveillance of cases among immigrants and tourists from ZIKV-endemic areas is important for disease control and prevention. In this study, using Next Generation Sequencing, we reported the first whole-genome sequence of ZIKV strain AFMC-U, amplified from the urine of a traveler returning to Korea from the Philippines...
August 9, 2017: Virus Genes
https://www.readbyqxmd.com/read/28776338/epidemiology-and-clinical-characteristics-of-zika-virus-infections-imported-into-korea-from-march-to-october-2016
#5
Doran Yoon, Seung Hwan Shin, Hee Chang Jang, Eu Suk Kim, Eun Hee Song, Song Mi Moon, So Youn Shin, Pyeong Gyun Choe, Jung Joon Sung, Eun Hwa Choi, Myoung Don Oh, Youngmee Jee, Nam Joong Kim
Zika is a re-emerging, mosquito-borne viral infection, which has been recently shown to cause microcephaly and Guillain-Barré syndrome. Since 2015 the number of infected patients has increased significantly in South America. The purpose of this study was to identify the epidemiologic and clinical characteristics of patients with Zika virus (ZIKV) infections in Korea. Patients who had visited areas of risk and tested positive in the ZIKV reverse transcriptase polymerase chain reaction (RT-PCR) in blood, urine, or saliva specimens were included...
September 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28776046/jak-inhibitors-modulate-production-of-replication-competent-zika-virus-in-human-hofbauer-trophoblasts-and-neuroblastoma-cells
#6
Christina Gavegnano, Leda C Bassit, Bryan D Cox, Hui-Mien Hsiao, Erica L Johnson, Mehul Suthar, Rana Chakraborty, Raymond F Schinazi
Zika Virus (ZIKV) is a flavivirus that has been implicated in causing brain deformations, birth defects, and microcephaly in fetuses, and associated with Guillain-Barre syndrome. Mechanisms responsible for transmission of ZIKV across the placenta to the fetus are incompletely understood. Herein, we define key events modulating infection in clinically relevant cells, including primary placental macrophages (human Hofbauer cells; HC), trophoblasts, and neuroblastoma cells. Consistent with previous findings, HC and trophoblasts are permissive to ZIKV infection...
2017: Pathogens & Immunity
https://www.readbyqxmd.com/read/28769893/imported-zika-virus-in-a-european-city-how-to-prevent-local-transmission
#7
Joan-Pau Millet, Tomàs Montalvo, Ruben Bueno-Marí, Arancha Romero-Tamarit, Albert Prats-Uribe, Lidia Fernández, Esteve Camprubí, Lucía Del Baño, Victor Peracho, Jordi Figuerola, Elena Sulleiro, Miguel J Martínez, Joan A Caylà
Background: On February 1st 2016 the WHO declared the Zika Virus (ZIKV) infection a worldwide public health emergency because of its rapid expansion and severe complications, such as Guillain-Barré Syndrome or microcephaly in newborn. The huge amount of people traveling to endemic areas and the presence of Aedes albopictus in Barcelona increase the risk of autochtonous transmission. The objective of this study was to describe the first ZIKV cases diagnosed in our city and to analyze the surveillance, prevention, and control measures implemented to avoid autochthonous transmission...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28736678/rapid-assessment-zika-virus-knowledge-among-clinical-specialists-in-singapore-a-cross-sectional-survey
#8
Chee F Yung, Clarence C Tam, Victor S Rajadurai, Jerry Ky Chan, Mabel Sf Low, Yong H Ng, Koh C Thoon, Lay K Tan
INTRODUCTION: We report the results of a rapid assessment of Zika virus awareness among key clinical specialties in Singapore. METHODS: Between June 6 and June 19, 2016 we conducted an online survey of doctors working in obstetrics and gynaecology, neonatology and paediatrics in Singapore. The survey included 15 multiple choice questions to measure respondents' knowledge of Zika virus in four domains covering clinical and public health. RESULTS: A total of 110 survey responses (15% response rate) were obtained, 82% of respondents worked in the public sector...
May 3, 2017: PLoS Currents
https://www.readbyqxmd.com/read/28728607/zika-virus-transmission-to-mouse-ear-by-mosquito-bite-a-laboratory-model-that-replicates-the-natural-transmission-process
#9
Nagila Francinete Costa Secundino, Barbara Aparecida Chaves, Alessandra Silva Orfano, Karine Renata Dias Silveira, Nilton Barnabe Rodrigues, Thais Bonifácio Campolina, Rafael Nacif-Pimenta, Luiz Eduardo Martinez Villegas, Breno Melo Silva, Marcus Vinícius Guimarães Lacerda, Douglas Eric Norris, Paulo Filemon Paolucci Pimenta
BACKGROUND: Zika disease has transformed into a serious global health problem due to the rapid spread of the arbovirus and alarming severity including congenital complications, microcephaly and Guillain-Barré syndrome. Zika virus (ZIKV) is primarily transmitted to humans through the bite of an infective mosquito, with Aedes aegypti being the main vector. METHODS: We successfully developed a ZIKV experimental transmission model by single infectious Ae. aegypti bite to a laboratory mouse using circulating Brazilian strains of both arbovirus and vector...
July 20, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28719506/zika-virus-associated-ocular-and-neurologic-disorders-the-emergence-of-new-evidence
#10
Fatih Şahiner, Ali Korhan Siğ, Ümit Savaşçi, Kemal Tekin, Fahrettin Akay
BACKGROUND: It has been approximately 70 years since the discovery of the Zika virus (ZIKV). It had been established that the virus causes mild infections, and is confined to Africa and Asia; however, major changes in the clinical and epidemiologic patterns of ZIKV infection have occurred in recent years. The virus has attracted intense interest because of the possible association of several autoimmune and neurodevelopmental disorders. METHODS: We present a summary of the articles that attempt to explain the ZIKV unknowns, and strengthen the association with some disorders that are thought to be related to ZIKV, by describing the discovery milestones from the initial identification of the virus to the present day...
July 13, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28716913/antibody-based-assay-discriminates-zika-virus-infection-from-other-flaviviruses
#11
Angel Balmaseda, Karin Stettler, Raquel Medialdea-Carrera, Damaris Collado, Xia Jin, José Victor Zambrana, Stefano Jaconi, Elisabetta Cameroni, Saira Saborio, Francesca Rovida, Elena Percivalle, Samreen Ijaz, Steve Dicks, Ines Ushiro-Lumb, Luisa Barzon, Patricia Siqueira, David W G Brown, Fausto Baldanti, Richard Tedder, Maria Zambon, A M Bispo de Filippis, Eva Harris, Davide Corti
Zika virus (ZIKV) is a mosquito-borne flavivirus that emerged recently as a global health threat, causing a pandemic in the Americas. ZIKV infection mostly causes mild disease, but is linked to devastating congenital birth defects and Guillain-Barré syndrome in adults. The high level of cross-reactivity among flaviviruses and their cocirculation has complicated serological approaches to differentially detect ZIKV and dengue virus (DENV) infections, accentuating the urgent need for a specific and sensitive serological test...
August 1, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28712937/returning-ex-patriot-chinese-to-guangdong-china-increase-the-risk-for-local-transmission-of-zika-virus
#12
Jiufeng Sun, De Wu, Haojie Zhong, Dawei Guan, Huan Zhang, Qiqi Tan, Huiqiong Zhou, Meng Zhang, Dan Ning, Baohuan Zhang, Changwen Ke, Tie Song, Jinyan Lin, Yonghui Zhang, Marion Koopmans, George F Gao
OBJECTIVES: Rapid transmission and linkage to microcephaly and Guillain-Barre syndrome have made Zika virus (ZIKV) infection become a serious threat to global public health. The epidemiology, virological characteristics and genetic evolution of introduced ZIKV to Guangdong, China, were investigated. METHODS: Analyses of the epidemiological characteristics and genetic diversity of ZIKV isolates were performed. RESULTS: Nineteen confirmed ZIKV infection cases were imported from Venezuela and Samoa...
July 14, 2017: Journal of Infection
https://www.readbyqxmd.com/read/28700665/solution-conformations-of-zika-ns2b-ns3pro-and-its-inhibition-by-natural-products-from-edible-plants
#13
Amrita Roy, Liangzhong Lim, Shagun Srivastava, Yimei Lu, Jianxing Song
The recent Zika viral (ZIKV) epidemic has been associated with severe neurological pathologies such as neonatal microcephaly and Guillain-Barre syndrome but unfortunately no vaccine or medication is effectively available yet. Zika NS2B-NS3pro is essential for the proteolysis of the viral polyprotein and thereby viral replication. Thus NS2B-NS3pro represents an attractive target for anti-Zika drug discovery/design. Here, we have characterized the solution conformations and catalytic parameters of both linked and unlinked Zika NS2B-NS3pro complexes and found that the unlinked complex manifested well-dispersed NMR spectra...
2017: PloS One
https://www.readbyqxmd.com/read/28694390/in-vitro-susceptibility-of-geographically-and-temporally-distinct-zika-viruses-to-favipiravir-and-ribavirin
#14
Mariana Baz, Nathalie Goyette, Bryan D Griffin, Gary P Kobinger, Guy Boivin
BACKGROUND: Zika virus (ZIKV), a previously neglected mosquito-borne virus, is prompting worldwide concern because of its connection with congenital defects, Guillain-Barré syndrome, meningoencephalitis and myelitis in infected individuals. However, no specific antiviral therapy is available at present. In this study, we investigated the in vitro susceptibility of geographically and temporally distinct zika viruses against the RNA polymerase inhibitors, favipiravir (T-705) and ribavirin (RIBV)...
July 11, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28686621/risk-of-bias-and-confounding-of-observational-studies-of-zika-virus-infection-a-scoping-review-of-research-protocols
#15
Ludovic Reveiz, Michelle M Haby, Ruth Martínez-Vega, Carlos E Pinzón-Flores, Vanessa Elias, Emma Smith, Mariona Pinart, Nathalie Broutet, Francisco Becerra-Posada, Sylvain Aldighieri, Maria D Van Kerkhove
INTRODUCTION: Given the severity and impact of the current Zika virus (ZIKV) outbreak in the Americas, numerous countries have rushed to develop research studies to assess ZIKV and its potential health consequences. In an effort to ensure that studies are comprehensive, both internally and externally valid, and with reliable results, the World Health Organization, the Pan American Health Organization, Institut Pasteur, the networks of Fiocruz, the Consortia for the Standardization of Influenza Seroepidemiology (CONSISE) and the International Severe Acute Respiratory and Emerging Infection Consortium (ISARIC) have generated six standardized clinical and epidemiological research protocols and questionnaires to address key public health questions on ZIKV...
2017: PloS One
https://www.readbyqxmd.com/read/28673675/-zika-virus-infection-a-review
#16
A Guillier, E Amazan, A Aoun, E Baubion, C Derancourt
Zika Virus (ZIKV), originally identified in 1947, is a re-emerging Flavivirus transmitted mainly through bites by Aedes mosquitos. Until the recent outbreaks in the Pacific islands and Central and South America, it was known to cause benign disease, in most cases asymptomatic or with mild and nonspecific symptoms (fever, rash, conjunctivitis, arthralgia, etc.). The unprecedented current epidemic has highlighted new modes of transmission (through blood, perinatally and sexually) as well as serious neurological complications such as congenital defects in the fetuses of infected mothers and Guillain-Barre syndrome in adults...
June 30, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28669037/in-vitro-study-of-zika-virus-infection-in-boar-semen
#17
Natthanej Luplertlop, San Suwanmanee, Sumate Ampawong, Sompong Vongpunsawad, Yong Poovorawan
Zika virus (ZIKV) is an important arbovirus that is capable of directly infecting neuronal cells. Infection can cause microcephaly in fetuses and Guillain-Barré syndrome in adults. Recent epidemiological studies have shown that ZIKV is sexually transmitted, especially from infected males to uninfected females. This study aimed to investigate the transmission pattern of ZIKV in semen using boar semen. Experiments were performed ex vivo using semen from healthy boar. The samples were infected with ZIKV, and viral RNA was detected and cell morphology was examined at different time points postinfection...
July 1, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28666829/epigallocatechin-gallate-an-active-green-tea-compound-inhibits-the-zika-virus-entry-into-host-cells-via-binding-the-envelope-protein
#18
Nitin Sharma, Aarthy Murali, Sanjeev Kumar Singh, Rajanish Giri
Emerging infections of Zika virus (ZIKV) are associated with serious consequences like microcephaly and Guillain-Barré syndrome. It leads to a situation of global health emergency and demand an intensive research investigation to develop safe and effective therapeutics. Various efforts have been made to reduce the pathological pressure of ZIKV, but no effective drug has been introduced against ZIKV infections. A recent study has reported the inhibition of ZIKV entry into the host cells by an active green tea ingredient, Epigallocatechin Gallate (EGCG) in Vero E6cells...
June 28, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28661429/effective-suckling-c57bl-6-kunming-and-balb-c-mouse-models-with-remarkable-neurological-manifestation-for-zika-virus-infection
#19
Jianhai Yu, Xuling Liu, Changwen Ke, Qinghua Wu, Weizhi Lu, Zhiran Qin, Xiaoen He, Yujing Liu, Jieli Deng, Suiqi Xu, Ying Li, Li Zhu, Chengsong Wan, Qiwei Zhang, Weiwei Xiao, Qian Xie, Bao Zhang, Wei Zhao
Since 2015, 84 countries and territories reported evidence of vector-borne Zika Virus (ZIKV) transmission. The World Health Organization (WHO) declared that ZIKV and associated consequences especially the neurological autoimmune disorder Guillain-Barré syndrome (GBS) and microcephaly will remain a significant enduring public health challenge requiring intense action. We apply a standardization of the multi-subcutaneous dorsal inoculation method to systematically summarize clinical neurological manifestation, viral distribution, and tissue damage during the progress of viremia and systemic spread in suckling mouse models...
June 29, 2017: Viruses
https://www.readbyqxmd.com/read/28655548/recent-advances-in-understanding-the-adaptive-immune-response-to-zika-virus-and-the-effect-of-previous-flavivirus-exposure
#20
REVIEW
Daniela V Andrade, Eva Harris
Zika virus (ZIKV) caused explosive epidemics across the Americas, starting in Brazil in 2015, and has been associated with severe manifestations such as microcephaly in babies born to infected mothers and Guillain-Barré syndrome in adults. As the underlying mechanisms of pathogenesis remain largely unknown, diverse investigations have focused on a potential role for flavivirus cross-reactive antibodies in enhancing ZIKV infection. Antibody-dependent enhancement is especially concerning due to structural similarities between ZIKV and other flaviviruses, especially dengue virus (DENV), that co-circulate in areas affected by ZIKV...
June 26, 2017: Virus Research
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