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Zika newborn

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https://www.readbyqxmd.com/read/29331320/zika-dengue-and-yellow-fever-viruses-induce-differential-anti-viral-immune-responses-in-human-monocytic-and-first-trimester-trophoblast-cells
#1
Huanle Luo, Evandro R Winkelmann, Ildefonso Fernandez-Salas, Li Li, Sandra V Mayer, Rogelio Daniz-Lozano, Rosa Ma Sanchez-Casas, Nikos Vasilakis, Robert Tesh, Alan D Barrett, Scott C Weaver, Tian Wang
Zika virus (ZIKV) is a mosquito-borne flavivirus associated with severe neonatal birth defects, but the causative mechanism is incompletely understood. ZIKV shares sequence homology and early clinical manifestations with yellow fever virus (YFV) and dengue virus (DENV) and are all transmitted in urban cycles by the same species of mosquitoes. However, YFV and DENV have been rarely reported to cause congenital diseases. Here, we compared infection with a contemporary ZIKV strain (FSS13025) to YFV17D and DENV-4 in human monocytic cells (THP-1) and first-trimester trophoblasts (HTR-8)...
January 10, 2018: Antiviral Research
https://www.readbyqxmd.com/read/29318332/-zika-virus-infection-and-the-nervous-system
#2
REVIEW
I W Husstedt, M Maschke, C Eggers, E Neuen-Jacob, G Arendt
Zika virus is an arbovirus from the family of flaviviruses, which is transmitted by the mosquito Aedes aegyptii and also by the Asian mosquito Aedes albopticus. The largest observed Zika virus epidemic is currently taking place in North and South America, in the Caribbean, southern USA and Southeast Asia. In most cases the infection is an unspecific, acute, febrile disease. Neurological manifestations consist mainly of microcephaly in newborns and Guillain-Barré syndrome but other rare manifestations have also become known in the meantime, such as meningoencephalitis and myelitis...
January 9, 2018: Der Nervenarzt
https://www.readbyqxmd.com/read/29315224/the-zika-virus-epidemic-in-brazil-from-discovery-to-future-implications
#3
REVIEW
Rachel Lowe, Christovam Barcellos, Patrícia Brasil, Oswaldo G Cruz, Nildimar Alves Honório, Hannah Kuper, Marilia Sá Carvalho
The first confirmed case of Zika virus infection in the Americas was reported in Northeast Brazil in May 2015, although phylogenetic studies indicate virus introduction as early as 2013. Zika rapidly spread across Brazil and to more than 50 other countries and territories on the American continent. The Aedesaegypti mosquito is thought to be the principal vector responsible for the widespread transmission of the virus. However, sexual transmission has also been reported. The explosively emerging epidemic has had diverse impacts on population health, coinciding with cases of Guillain-Barré Syndrome and an unexpected epidemic of newborns with microcephaly and other neurological impairments...
January 9, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29311619/in-situ-immune-response-and-mechanisms-of-cell-damage-in-central-nervous-system-of-fatal-cases-microcephaly-by-zika-virus
#4
Raimunda S S Azevedo, Jorge R de Sousa, Marialva T F Araujo, Arnaldo J Martins Filho, Bianca N de Alcantara, Fernanda M C Araujo, Maria G L Queiroz, Ana C R Cruz, Beatriz H Baldez Vasconcelos, Jannifer O Chiang, Lívia C Martins, Livia M N Casseb, Eliana V da Silva, Valéria L Carvalho, Barbara C Baldez Vasconcelos, Sueli G Rodrigues, Consuelo S Oliveira, Juarez A S Quaresma, Pedro F C Vasconcelos
Zika virus (ZIKV) has recently caused a pandemic disease, and many cases of ZIKV infection in pregnant women resulted in abortion, stillbirth, deaths and congenital defects including microcephaly, which now has been proposed as ZIKV congenital syndrome. This study aimed to investigate the in situ immune response profile and mechanisms of neuronal cell damage in fatal Zika microcephaly cases. Brain tissue samples were collected from 15 cases, including 10 microcephalic ZIKV-positive neonates with fatal outcome and five neonatal control flavivirus-negative neonates that died due to other causes, but with preserved central nervous system (CNS) architecture...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29305391/prevalence-and-risk-factors-for-microcephaly-at-birth-in-brazil-in-2010
#5
Antônio A Silva, Marco A Barbieri, Maria T Alves, Carolina A Carvalho, Rosângela F Batista, Marizélia R Ribeiro, Fernando Lamy-Filho, Zeni C Lamy, Viviane C Cardoso, Ricardo C Cavalli, Vanda M Simões, Heloisa Bettiol
OBJECTIVES: To estimate the baseline prevalence and risk factors for microcephaly at birth before the Zika virus epidemic in 2 Brazilian cities. METHODS: We used population-based data from the Brazilian Ribeirão Preto (RP) and São Luís (SL) birth cohort studies of 2010 that included hospital deliveries by resident mothers. The final sample was 7376 live births in RP and 4220 in SL. Gestational age was based on the date of the mother's last normal menstrual period or obstetric ultrasonography, if available...
January 5, 2018: Pediatrics
https://www.readbyqxmd.com/read/29288700/erythrosin-b-is-a-potent-and-broad-spectrum-orthosteric-inhibitor-of-the-flavivirus-ns2b-ns3-protease
#6
Zhong Li, Srilatha Sakamuru, Ruili Huang, Matthew Brecher, Cheri A Koetzner, Jing Zhang, Haiying Chen, Cheng-Feng Qin, Qing-Yu Zhang, Jia Zhou, Laura D Kramer, Menghang Xia, Hongmin Li
Many flaviviruses, such as Zika virus (ZIKV), Dengue virus (DENV1-4) and yellow fever virus (YFV), are significant human pathogens. Infection with ZIKV, an emerging mosquito-borne flavivirus, is associated with increased risk of microcephaly in newborns and Guillain-Barré syndrome and other complications in adults. Currently, specific therapy does not exist for any flavivirus infections. In this study, we found that erythrosin B, an FDA-approved food additive, is a potent inhibitor for flaviviruses, including ZIKV and DENV2...
December 27, 2017: Antiviral Research
https://www.readbyqxmd.com/read/29284702/high-background-congenital-microcephaly-in-rural-guatemala-implications-for-neonatal-congenital-zika-virus-infection-screening
#7
Anne-Marie Rick, Gretchen Domek, Maureen Cunningham, Daniel Olson, Molly M Lamb, Andrea Jimenez-Zambrano, Gretchen Heinrichs, Stephen Berman, Edwin J Asturias
BACKGROUND: Congenital microcephaly is the result of a disturbance in early brain development and can have multiple etiologies. Establishing background prevalence of microcephaly in Zika virus (ZIKV)-affected areas is important for improving identification of ZIKV-affected newborns. However, to date, there is limited consistent guidance for the accurate identification of microcephaly in infants of unknown gestational age, a common concern in low- and middle-income countries. METHODS: Occipital frontal head circumference (OFC) obtained from infants (0-13 days) of unknown gestational age at enrollment in a pregnancy registry in rural Guatemala from August 2014 to March 2016 were retrospectively reviewed...
December 28, 2017: Global Health, Science and Practice
https://www.readbyqxmd.com/read/29277550/maternal-zika-virus-infection-and-newborn-microcephaly-an-analysis-of-the-epidemiological-evidence
#8
REVIEW
Leonelo E Bautista
PURPOSE: To evaluate whether existing data and evidence support a causal link between maternal Zika virus (ZIKV) infection and newborn microcephaly. METHODS: I quantified and compared the prevalence of all and severe microcephaly in Brazil, during and before 2015-2016, to assess whether an outbreak has occurred, used time series analysis to evaluate if the presumed outbreak was linked to a previous outbreak of ZIKV infections, and quantitatively synthesized published data from observational studies testing this association...
December 14, 2017: Annals of Epidemiology
https://www.readbyqxmd.com/read/29248924/is-there-more-to-zika-complex-cardiac-disease-in-a-case-of-congenital-zika-syndrome
#9
Asimenia Angelidou, Zoe Michael, Arda Hotz, Kevin Friedman, Sitaram Emani, Kerri LaRovere, Helen Christou
The epidemic of Zika virus (ZIKV) has resulted in a surge of newborns with microcephaly and brain abnormalities. In this report, we describe the first case, to our knowledge, of congenital Zika syndrome with concomitant critical congenital heart disease. The mother had a confirmed ZIKV infection in the first trimester of pregnancy. Fetal ultrasonography at 31 weeks of gestation revealed cerebral cortical calcifications and hypoplastic left heart syndrome. The severity of brain involvement was assessed by postnatal magnetic resonance imaging and echocardiogram, and palliative surgery was performed...
December 16, 2017: Neonatology
https://www.readbyqxmd.com/read/29241768/zika-virus-the-transboundary-pathogen-from-mosquito-and-updates
#10
REVIEW
Weili Kong, Hengtao Li, Jian Zhu
Zika virus (ZIKV) is a mosquito-borne flavivirus that was relatively obscure until outbreaks started in 2013. ZIKV is associated with neurological manifestations such as Guillan-Barrè Syndrome in adult and microcephaly in the newborn population. Although the majority of disease mechanisms of ZIKV is unclear, some information was updated with new scientific evidence. Currently, there are no approved drugs or vaccine that can be used for therapy during ZIKV infection. Based on the transmission mechanism of ZIKV, vector control and safe sex seem to be the most effective available preventive measures against ZIKV spread...
December 11, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29209885/neuroimaging-findings-associated-with-congenital-zika-virus-syndrome-case-series-at-the-time-of-first-epidemic-outbreak-in-pernambuco-state-brazil
#11
Pedro Pires, Patricia Jungmann, Jully Moura Galvão, Adriano Hazin, Luiza Menezes, Ricardo Ximenes, Gabriele Tonni, Edward Araujo Júnior
PURPOSE: This study aimed to describe the prenatal and postnatal neuroimaging and clinical findings in a clinical series following congenital Zika virus syndrome during the first epidemic Zika virus (ZIKV) outbreak in the State of Pernambuco, Brazil. METHODS: We (the authors) conducted a retrospective study of a prospectively collected case series of fetuses and neonates with microcephaly born to mothers with presumed/confirmed congenital ZIKV syndrome. Prenatal ultrasound findings were reviewed to identify potential central nervous system (CNS) abnormalities...
December 5, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29167058/neuroimaging-findings-in-normocephalic-newborns-with-intrauterine-zika-virus-exposure
#12
Sarah B Mulkey, Gilbert Vezina, Dorothy I Bulas, Zarir Khademian, Anna Blask, Youssef Kousa, Caitlin Cristante, Lindsay Pesacreta, Adre J du Plessis, Roberta L DeBiasi
BACKGROUND: Congenital Zika infection can result in a spectrum of neurological abnormalities in the newborn. Newborns exposed to Zika virus in utero often have neuroimaging as part of their clinical evaluation. METHODS: Through the Congenital Zika Program at Children's National Health System in Washington DC, we performed fetal or neonatal neuroimaging, including magnetic resonance imaging and ultrasound, on over 70 fetuses or neonates with intrauterine Zika exposure...
October 19, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/29166461/presumed-zika-virus-related-congenital-brain-malformations-the-spectrum-of-ct-and-mri-findings-in-fetuses-and-newborns
#13
José Daniel Vieira de Castro, Licia Pacheco Pereira, Daniel Aguiar Dias, Lindenberg Barbosa Aguiar, Joanira Costa Nogueira Maia, Jesus Irajacy Fernandes da Costa, Eveline Campos Monteiro de Castro, Francisco Edson de Lucena Feitosa, Francisco Herlânio Costa Carvalho
OBJECTIVE: The new epidemic of Zika virus infection raises grave concerns, especially with the increasingly-recognized link between emerging cases of microcephaly and this infectious disease. Besides small cranial dimensions, there are striking morphologic anomalies in the fetal brain. Key anomalies include cortical developmental malformations and a peculiar distribution of pathologic calcifications. These potentially indicate a new pattern of congenital central nervous system infection...
October 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/29155634/how-does-imaging-of-congenital-zika-compare-with-imaging-of-other-torch-infections
#14
REVIEW
Deborah Levine, Jacques C Jani, Ilse Castro-Aragon, Mieke Cannie
The acronym TORCH is used to refer to congenital infections, such as toxoplasmosis, other infections (such as syphillis, varicella-zoster, and parvovirus B19), cytomegalovirus, and herpes simplex virus. The classic findings in patients with TORCH infections include rash in the mother during pregnancy and ocular findings in the newborn. Zika virus has emerged as an important worldwide congenital infection. It fits well with other congenital TORCH infections since there is a rash in the mother and there are commonly ocular abnormalities in the newborn...
December 2017: Radiology
https://www.readbyqxmd.com/read/29152996/birth-defects-associated-with-congenital-zika-virus-infection-in-mexico
#15
Silvina Noemí Contreras-Capetillo, Nina Valadéz-González, Pablo Manrique-Saide, Rafael Eduardo Carcaño-Castillo, Freddy Pacheco-Tugores, Hirian Alonso Moshe Barrera-Pérez, Doris Pinto-Escalante, Manuel Lliteras-Cardín, José Alfredo Hoil-Parra, José Luis Cáceres-Solís, Norma Pavía-Ruz
Part of the work agenda of international health authorities is to define the clinical spectrum of the congenital Zika syndrome (CZS) in different territories. We describe the clinical variability that gave rise to the suspicion of CZS in 3 newborn patients in the south of Mexico with active transmission of Zika. All of them presented Zika RNA by reverse transcription-polymerase chain reaction and positive antibodies for IgM by enzyme-linked immunosorbent assay. None of the mothers tested positive for active viremia, only one mother had Zika-symptoms and titers of Zika-positive IgM...
November 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/29145400/zika-virus-an-updated-review-of-competent-or-naturally-infected-mosquitoes
#16
REVIEW
Yanouk Epelboin, Stanislas Talaga, Loïc Epelboin, Isabelle Dusfour
Zika virus (ZIKV) is an arthropod-borne virus (arbovirus) that recently caused outbreaks in the Americas. Over the past 60 years, this virus has been observed circulating among African, Asian, and Pacific Island populations, but little attention has been paid by the scientific community until the discovery that large-scale urban ZIKV outbreaks were associated with neurological complications such as microcephaly and several other neurological malformations in fetuses and newborns. This paper is a systematic review intended to list all mosquito species studied for ZIKV infection or for their vector competence...
November 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29135369/t-cell-immunity-to-zika-and-dengue-viral-infections
#17
Jinsheng Wen, Sujan Shresta
The 2015-2016 Zika virus (ZIKV) outbreak in the Americas has brought this relatively unknown flavivirus into the spotlight as the etiologic agent of congenital Zika syndrome in newborns and, potentially, of Guillain-Barré syndrome in adults. ZIKV shares a high degree of amino acid sequence homology with the closely related flavivirus Dengue virus (DENV). Due to the paucity of research investigating T cell-mediated immune responses to ZIKV, the precise roles of T cells in protection against and pathogenesis of ZIKV infection are unclear...
November 2017: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/29133154/adverse-birth-outcomes-associated-with-zika-virus-exposure-during-pregnancy-in-s%C3%A3-o-jos%C3%A3-do-rio-preto-brazil
#18
Mauricio Lacerda Nogueira, Nivison Ruy Rocha Nery Júnior, Cássia Fernanda Estofolete, Ana Carolina Bernardes Terzian, Georgia de Freitas Guimarães, Nathalia Zini, Rafael Alves da Silva, Gislaine Celestino Dutra Silva, Ligia Cosentino Junqueira Franco, Paula Rahal, Cintia Bittar, Bruno Carneiro, Pedro Fernando Vasconcelos da Costa, Daniele Freitas Henriques, Deusenia Machado Ulisses Barbosa, Patrícia Lopes Rombola, Luciana de Grande, Andréia Francesli Negri Reis, Sacha Ariane Palomares, Marcia Wakai Catelan, Lilian Elisa Arão Antonio Cruz, Silvia Helena Necchi, Rita de Cassia Vilella Mendonça, Izalco Nuremberg Penha Dos Santos, Suzimeiri Brigatti Alavarse Caron, Federico Costa, Fernando A Bozza, Antonio Soares de Souza, Cinara Cássia Brandão de Mattos, Luiz Carlos de Mattos, Nikos Vasilakis, Antonio Helio Oliani, Denise Cristina Mós Vaz Oliani, Albert Icksang Ko
OBJECTIVE: We aimed to report the first 54 cases of pregnant women infected by Zika vírus (ZIKV) and their virological and clinical outcomes, as well as the newborns' outcomes in 2016, after the emergence of ZIKV in dengue endemic areas of São Paulo, Brazil. METHODS: This is a descriptive study performed from February to October 2016 on 54 qPCR ZIKV-positive pregnant women identified by the Public Health Authority of São Jose do Rio Preto, São Paulo, Brazil...
November 10, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29132236/neuroimaging-findings-using-transfontanellar-ultrasound-in-newborns-with-microcephaly-and-zika-virus-infection-a-comment
#19
Sora Yasri, Viroj Wiwanitkit
No abstract text is available yet for this article.
November 13, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29127595/neurological-manifestations-of-congenital-zika-virus-infection
#20
Tania Saad, Alessandra Augusta PennaeCosta, Fernanda Veiga de Góes, Marcela de Freitas, Julia Valeriano de Almeida, Lúcio José de Santa Ignêz, Ana Paula Amancio, Renata Joviano Alvim, Ludmilla Athayde Antunes Kramberger
INTRODUCTION: In 2015, it was observed a rise in the number of microcephalic newborns associated with a history of non-specific febrile sickness and rash during pregnancy in Brazil. Since then, microcephaly has emerged as a public health concern. A few months after, the causal relation between congenital microcephaly and the Zika virus was discovered. Zika virus, an arbovirus, is a new TORCH member that leads to congenital infection through vertical transmission and harms the developing brain, disrupting synaptogenesis, and causing other central nervous system lesions...
November 10, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
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