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Zika infections and complications

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https://www.readbyqxmd.com/read/28229397/emerging-causes-of-arbovirus-encephalitis-in-north-america-powassan-chikungunya-and-zika-viruses
#1
REVIEW
Christopher T Doughty, Sigal Yawetz, Jennifer Lyons
Arboviruses are arthropod-borne viruses transmitted by the bite of mosquitoes, ticks, or other arthropods. Arboviruses are a common and an increasing cause of human illness in North America. Powassan virus, Chikungunya virus, and Zika virus are arboviruses that have all recently emerged as increasing causes of neurologic illness. Powassan virus almost exclusively causes encephalitis, but cases are rare, sporadic, and restricted to portions of North America and Russia. Chikungunya virus has spread widely across the world, causing millions of infections...
February 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28226083/dengue-infection-in-the-nervous-system-lessons-learned-for-zika-and-chikungunya
#2
Marzia Puccioni-Sohler, Natalia Roveroni, Carolina Rosadas, Fernando Ferry, Jose Mauro Peralta, Amilcar Tanuri
Dengue, Zika and Chikungunya are emerging arboviruses and important causes of acute febrile disease in tropical areas. Although dengue does not represent a new condition, a geographic expansion over time has occurred with the appearance of severe neurological complications. Neglect has allowed the propagation of the vector (Aedes spp), which is also responsible for the transmission of other infections such as Zika and Chikungunya throughout the world. The increased number of infected individuals has contributed to the rise of neurological manifestations including encephalitis, myelitis, meningitis, Guillain-Barré syndrome and congenital malformations such as microcephaly...
February 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28223455/acute-fetal-demise-with-first-trimester-maternal-infection-resulting-from-listeria-monocytogenes-in-a-nonhuman-primate-model
#3
Bryce Wolfe, Gregory J Wiepz, Michele Schotzko, Gennadiy I Bondarenko, Maureen Durning, Heather A Simmons, Andres Mejia, Nancy G Faith, Emmanuel Sampene, Marulasiddappa Suresh, Sophia Kathariou, Charles J Czuprynski, Thaddeus G Golos
Infection with Listeria monocytogenes during pregnancy is associated with miscarriage, preterm birth, and neonatal complications, including sepsis and meningitis. While the risk of these conditions is thought to be greatest during the third trimester of pregnancy, the determinants of fetoplacental susceptibility to infection, the contribution of gestational age, and the in vivo progression of disease at the maternal-fetal interface are poorly understood. We developed a nonhuman primate model of listeriosis to better understand antecedents of adverse pregnancy outcomes in early pregnancy...
February 21, 2017: MBio
https://www.readbyqxmd.com/read/28220392/zika-virus-disease-and-associated-neurologic-complications
#4
REVIEW
Lindsey M Duca, J David Beckham, Kenneth L Tyler, Daniel M Pastula
PURPOSE OF REVIEW: The purpose of this article is to review what is currently known about Zika virus (ZIKV) disease and associated neurologic complications. RECENT FINDINGS: ZIKV is a mosquito-borne or sexually transmitted flavivirus rapidly spreading throughout the Americas. While ZIKV infection is usually asymptomatic, it may cause a non-specific illness with fever, rash, myalgia, headache, and/or non-purulent conjunctivitis. Additionally, ZIKV has been associated with a number of neurologic complications including microcephaly and other birth defects, Guillain-Barré syndrome, meningoencephalitis, myelitis, and various ophthalmologic abnormalities...
January 2017: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/28207688/transmission-of-zika-virus-haiti-october-12-2015-september-10-2016
#5
Ito Journel, Lesly L Andrécy, Dudley Metellus, Jean S Pierre, Rose Murka Faublas, Stanley Juin, Amber M Dismer, David L Fitter, Daniel Neptune, Marie José Laraque, Salomon Corvil, Manise Pierre, Josiane Buteau, Donald Lafontant, Roopal Patel, Jean Frantz Lemoine, David W Lowrance, Macarthur Charles, Jacques Boncy, Paul Adrien
Zika virus disease is caused by infection with a flavivirus with broad geographic distribution and is most frequently transmitted by the bite of an infected mosquito. The disease was first identified in the World Health Organization's Region of the Americas in 2015 and was followed by a surge in reported cases of congenital microcephaly in Brazil; Zika virus disease rapidly spread to the rest of the region and the Caribbean (1), including Haiti. Infection with the virus is associated with adverse fetal outcomes (1) and rare neurologic complications in adults...
February 17, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28187183/laboratory-strains-of-aedes-aegypti-are-competent-to-brazilian-zika-virus
#6
André Luis Costa-da-Silva, Rafaella Sayuri Ioshino, Helena Rocha Corrêa de Araújo, Bianca Burini Kojin, Paolo Marinho de Andrade Zanotto, Danielle Bruna Leal Oliveira, Stella Rezende Melo, Edison Luiz Durigon, Margareth Lara Capurro
The Zika virus outbreaks are unprecedented human threat in relation to congenital malformations and neurological/autoimmune complications. Since this virus has high potential to spread in regions presenting the vectors, improvement in mosquito control is a top priority. Thus, Aedes aegypti laboratory strains will be fundamental to support studies in different research fields implicated on Zika-mosquito interactions which are the basis for the development of innovative control methods. In this sense, our aim was to determine the main infection aspects of a Brazilian Zika strain in reference Aedes aegypti laboratory mosquitoes...
2017: PloS One
https://www.readbyqxmd.com/read/28185815/novel-antiviral-activity-and-mechanism-of-bromocriptine-as-a-zika-virus-ns2b-ns3-protease-inhibitor
#7
Jasper Fuk-Woo Chan, Kenn Ka-Heng Chik, Shuofeng Yuan, Cyril Chik-Yan Yip, Zheng Zhu, Kah-Meng Tee, Jessica Oi-Ling Tsang, Chris Chung-Sing Chan, Vincent Kwok-Man Poon, Gang Lu, Anna Jinxia Zhang, Kin-Kui Lai, Kwok-Hung Chan, Richard Yi-Tsun Kao, Kwok-Yung Yuen
Zika virus (ZIKV) infection is associated with congenital malformations in infected fetuses and severe neurological and other systemic complications in adults. There are currently limited anti-ZIKV treatment options that are readily available and safe for use in pregnancy. In this drug repurposing study, bromocriptine was found to have inhibitory effects on ZIKV replication in cytopathic effect inhibition, virus yield reduction, and plaque reduction assays. Time-of-drug-addition assay showed that bromocriptine exerted anti-ZIKV activity between 0 and 12 h post-ZIKV inoculation, corroborating with post-entry events in the virus replication cycle prior to budding...
February 7, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28182608/prevalence-and-clinical-attributes-of-congenital-microcephaly-new-york-2013-2015
#8
Krishika A Graham, Deborah J Fox, Achala Talati, Cristian Pantea, Laura Brady, Sondra L Carter, Eric Friedenberg, Neil M Vora, Marilyn L Browne, Christopher T Lee
Congenital Zika virus infection can cause microcephaly and other severe fetal neurological anomalies (1). To inform microcephaly surveillance efforts and assess ascertainment sources, the New York State Department of Health and the New York City Department of Health and Mental Hygiene sought to determine the prevalence of microcephaly in New York during 2013-2015, before known importation of Zika virus infections. Suspected newborn microcephaly diagnoses were identified from 1) reports submitted by birth hospitals in response to a request and 2) queries of a hospital administrative discharge database for newborn microcephaly diagnoses...
February 10, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28166175/using-twitter-to-identify-and-respond-to-food-poisoning-the-food-safety-stl-project
#9
Jenine K Harris, Jared B Hawkins, Leila Nguyen, Elaine O Nsoesie, Gaurav Tuli, Raed Mansour, John S Brownstein
CONTEXT: Foodborne illness affects 1 in 4 US residents each year. Few of those sickened seek medical care or report the illness to public health authorities, complicating prevention efforts. Citizens who report illness identify food establishments with more serious and critical violations than found by regular inspections. New media sources, including online restaurant reviews and social media postings, have the potential to improve reporting. OBJECTIVE: We implemented a Web-based Dashboard (HealthMap Foodborne Dashboard) to identify and respond to tweets about food poisoning from St Louis City residents...
February 3, 2017: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/28164310/first-zika-positive-donations-in-the-continental-united-states
#10
Susan A Galel, Phillip C Williamson, Michael P Busch, Danielle Stanek, Sonia Bakkour, Mars Stone, Kai Lu, Scott Jones, Susan N Rossmann, Lisa Lee Pate
BACKGROUND: Zika virus (ZIKV) has spread in the Americas, including parts of the southern United States, and infection can be associated with serious complications, including congenital brain abnormalities. Probable transfusion transmission of ZIKV has been documented in Brazil. STUDY DESIGN AND METHODS: Preemptive testing of blood donations for ZIKV RNA was implemented in southern US states at risk of local transmission using a test approved under a Food and Drug Administration (FDA) investigational new drug application, cobas Zika...
February 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28153732/zika-virus-induces-inflammasome-activation-in-the-glial-cell-line-u87-mg
#11
Paola Maura Tricarico, Ilaria Caracciolo, Sergio Crovella, Pierlanfranco D'Agaro
In the last years, neurological complications related to Zika virus (ZIKV) infection have emerged as an important threat to public health worldwide. ZIKV infection has been associated to neurological disorders such as congenital microcephaly in newborns and Guillain-Barré syndrome, myelopathy and encephalitis in adults. ZIKV is characterized by neurotropism and neurovirulence. Several studies have identified microglial nodules, gliosis, neuronal and glial cells degeneration and necrosis in the brain of ZIKV infected infants, suggesting that ZIKV could play a role in these neurological disorders through neuroinflammation and microglial activation...
January 30, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28116673/preventive-and-therapeutic-challenges-in-combating-zika-virus-infection-are-we-getting-any-closer
#12
REVIEW
Meera V Singh, Emily A Weber, Vir B Singh, Nicole E Stirpe, Sanjay B Maggirwar
The neuroteratogenic nature of Zika Virus (ZIKV) infection has converted what would have been a tropical disease into a global threat. Zika is transmitted vertically via infected placental cells especially in the first and second trimesters. In the developing central nervous system (CNS), ZIKV can infect and induce apoptosis of neural progenitor cells subsequently causing microcephaly as well as other neuronal complications in infants. Its ability to infect multiple cell types (placental, dermal, and neural) and increased environmental stability as compared to other flaviviruses (FVs) has broadened the transmission routes for ZIKV infection from vector-mediated to transmitted via body fluids...
January 23, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28095299/african-and-asian-zika-virus-strains-differentially-induce-early-antiviral-responses-in-primary-human-astrocytes
#13
Rodolphe Hamel, Pauline Ferraris, Sineewanlaya Wichit, Fodé Diop, Loïc Talignani, Julien Pompon, Déborah Garcia, Florian Liégeois, Amadou A Sall, Hans Yssel, Dorothée Missé
ZIKA virus (ZIKV) is a newly emerging arbovirus. Since its discovery 60years ago in Uganda, it has spread throughout the Pacific, Latin America and the Caribbean, emphasizing the capacity of ZIKV to spread to non-endemic regions worldwide. Although infection with ZIKV often leads to mild disease, its recent emergence in the Americas has coincided with an increase in adults developing Guillain-Barré syndrome and neurological complications in new-borns, such as congenital microcephaly. Many questions remain unanswered regarding the complications caused by different primary isolates of ZIKV...
January 14, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28058206/zika-virus-disease-for-neurologists
#14
REVIEW
Daniel E Smith, J David Beckham, Kenneth L Tyler, Daniel M Pastula
PURPOSE OF REVIEW: Zika virus (ZIKV) was not initially thought to be an important cause of neurologic disease, but with the recent epidemic in the Western Hemisphere, there is a growing body of evidence for possible neurologic complications. This review discusses these in addition to what is known about modes of transmission, testing for the virus, as well as future directions. RECENT FINDINGS: ZIKV disease has been associated with microcephaly and congenital eye disease in infants, as well as with Guillain-Barré syndrome, uveitis, myelitis, and meningoencephalitis in adults...
December 2016: Neurology. Clinical Practice
https://www.readbyqxmd.com/read/28039355/dengue-virus-denv-specific-antibodies-enhance-brazilian-zika-virus-zikv-infection
#15
Priscila Ms Castanha, Eduardo J M Nascimento, Braga Cynthia, Marli T Cordeiro, Otávio V de Carvalho, Leila R de Mendonça, Elisa An Azevedo, Rafael Fo França, Dhalia Rafael, Ernesto Ta Marques
Anti-Flavivirus antibodies are highly cross-reactive and may facilitate Zika virus (ZIKV) infection through the antibody-dependent enhancement (ADE) mechanism. We demonstrate that dengue-specific antibodies enhance the infection of a primary Brazilian ZIKV isolate in FcγRII-expressing K562 cell line. In addition, we demonstrate that serum samples from dengue-immune pregnant women enhanced ZIKV infection. These findings highlight the need of epidemiological studies and animal models to further confirm the role of ADE in the development of congenital and neurological complications associated with Zika virus infections...
December 29, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28008958/zika-virus-infection-induces-mitosis-abnormalities-and-apoptotic-cell-death-of-human-neural-progenitor-cells
#16
Bruno S F Souza, Gabriela L A Sampaio, Ciro S Pereira, Gubio S Campos, Silvia I Sardi, Luiz A R Freitas, Claudio P Figueira, Bruno D Paredes, Carolina K V Nonaka, Carine M Azevedo, Vinicius P C Rocha, Antonio C Bandeira, Rosalia Mendez-Otero, Ricardo Ribeiro Dos Santos, Milena B P Soares
Zika virus (ZIKV) infection has been associated with severe complications both in the developing and adult nervous system. To investigate the deleterious effects of ZIKV infection, we used human neural progenitor cells (NPC), derived from induced pluripotent stem cells (iPSC). We found that NPC are highly susceptible to ZIKV and the infection results in cell death. ZIKV infection led to a marked reduction in cell proliferation, ultrastructural alterations and induction of autophagy. Induction of apoptosis of Sox2(+) cells was demonstrated by activation of caspases 3/7, 8 and 9, and by ultrastructural and flow cytometry analyses...
December 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/28002820/zika-virus-infection-in-the-elderly-possible-relationship-with-guillain-barr%C3%A3-syndrome
#17
Wilson Savino, Carolina V Messias, Daniella A Mendes-da-Cruz, Pamela Passos, Ana Carolina A F Ferreira, Osvaldo J Nascimento
The Zika virus (ZIKV) outbreak in French Polynesia, in 2013, and in Brazil, in 2015, was correlated with neurological complications, which comprised, among others, congenital microcephaly and Guillain-Barré syndrome (GBS), which includes a group of acute autoimmune neuropathies generally reported after respiratory or gastrointestinal infectious diseases. Despite being relatively rare, the incidence rate of GBS rises with age, which makes GBS more frequent in the elderly, in whom it is also a more severe disease with slower recovery than in younger patients...
December 22, 2016: Gerontology
https://www.readbyqxmd.com/read/27991555/simple-reverse-genetics-systems-for-asian-and-african-zika-viruses
#18
Thérèse Atieh, Cécile Baronti, Xavier de Lamballerie, Antoine Nougairède
Zika virus (ZIKV), a typical example of a re-emerging pathogen, recently caused large outbreaks in Pacific islands and the Americas, associated with congenital diseases and neurological complications. Deciphering the natural history, ecology and pathophysiology of this mosquito-borne pathogen requires effective reverse genetics tools. In the current study, using the bacterium-free 'Infectious Subgenomic Amplicons' (ISA) method, we generated and made available to the scientific community via the non-profit European Virus Archive collection, two simple and performing reverse genetics systems for ZIKV...
December 19, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27974667/molecular-determinants-of-human-neutralizing-antibodies-isolated-from-a-patient-infected-with-zika-virus
#19
Qihui Wang, Huabing Yang, Xiaoqing Liu, Lianpan Dai, Tong Ma, Jianxun Qi, Gary Wong, Ruchao Peng, Sheng Liu, Junfu Li, Shihua Li, Jian Song, Jianying Liu, Jianhua He, Hui Yuan, Ying Xiong, Yong Liao, Jianhua Li, Jianping Yang, Zhou Tong, Bryan D Griffin, Yuhai Bi, Mifang Liang, Xiaoning Xu, Chuan Qin, Gong Cheng, Xinzheng Zhang, Peiyi Wang, Xiangguo Qiu, Gary Kobinger, Yi Shi, Jinghua Yan, George F Gao
The 2015-2016 outbreak of Zika virus (ZIKV) disease has affected many countries and is a major public health concern. ZIKV is associated with fetal microcephaly and neurological complications, and countermeasures are needed to treat and prevent ZIKV infection. We report the isolation of 13 specific human monoclonal antibodies from a single patient infected with ZIKV. Two of the isolated antibodies (Z23 and Z3L1) demonstrated potent ZIKV-specific neutralization in vitro without binding or neutralizing activity against strains 1 to 4 of dengue virus, the closest relative to ZIKV...
December 14, 2016: Science Translational Medicine
https://www.readbyqxmd.com/read/27966802/zika-virus-a-new-threat-to-human-reproduction
#20
REVIEW
David Baud, Didier Musso, Manon Vouga, Marco P Alves, Nicolas Vulliemoz
Zika virus (ZIKV) was first isolated in 1947 in a rhesus monkey from the Zika forest of Uganda. Until 2007, only 14 human cases were reported. The first large human outbreak occurred in 2007 (Yap Island, Federated States of Micronesia, Pacific) followed by French Polynesia in 2013 and Brazil in 2015. The virus is mainly transmitted through Aedes mosquito bites, but sexual and post-transfusion transmissions have been reported. Symptoms include low-grade fever, maculopapular rash, conjunctivitis, myalgia, arthralgia, and asthenia...
February 2017: American Journal of Reproductive Immunology: AJRI
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