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https://www.readbyqxmd.com/read/29147884/ocular-flutter-following-zika-virus-infection
#1
Emely Karam, Jose Giraldo, Flor Rodriguez, Carlos E Hernandez-Pereira, Alfonso J Rodriguez-Morales, Gabriela M Blohm, Alberto E Paniz-Mondolfi
Zika virus (ZIKV) is an emerging flavivirus which has been linked to a number of neurologic manifestations such as Guillain-Barré syndrome (GBS), transverse myelitis, and meningo-encephalitis. Ophthalmologic manifestations are increasingly being reported; however, ocular dyskinesias have not been described in this context to date. Herein, we report a case of a 22-year-old female who presented with ocular flutter and associated Guillain-Barré syndrome following acute ZIKV infection. We speculate that although such symptoms may have originated from a direct viral insult, a post-infectious autoimmune mechanism may not be excluded...
November 16, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/29146711/ethics-health-policy-and-zika-from-emergency-to-global-epidemic
#2
Euzebiusz Jamrozik, Michael J Selgelid
Zika virus was recognised in 2016 as an important vector-borne cause of congenital malformations and Guillain-Barré syndrome, during a major epidemic in Latin America, centred in Northeastern Brazil. The WHO and Pan American Health Organisation (PAHO), with partner agencies, initiated a coordinated global response including public health intervention and urgent scientific research, as well as ethical analysis as a vital element of policy design. In this paper, we summarise the major ethical issues raised during the Zika epidemic, highlighting the PAHO ethics guidance and the role of ethics in emergency responses, before turning to ethical issues that are yet to be resolved...
November 16, 2017: Journal of Medical Ethics
https://www.readbyqxmd.com/read/29146031/avian-ganglioneuritis-in-clinical-practice
#3
REVIEW
Giacomo Rossi, Robert D Dahlhausen, Livio Galosi, Susan E Orosz
Avian ganglioneuritis (AG) comprises one of the most intricate pathologies in avian medicine and is researched worldwide. Avian bornavirus (ABV) has been shown to be a causative agent of proventricular dilatation disease in birds. The avian Bornaviridae represent a genetically diverse group of viruses that are widely distributed in captive and wild populations around the world. ABV and other infective agents are implicated as a cause of the autoimmune pathology that leads to AG, similar to human Guillain Barrè syndrome...
January 2018: Veterinary Clinics of North America. Exotic Animal Practice
https://www.readbyqxmd.com/read/29145204/comparing-the-clinical-features-and-outcomes-of-acute-hepatitis-e-viral-infections-with-those-of-acute-hepatitis-a-b-and-c-infections-in-korea
#4
Hye Won Oh, Ra Ri Cha, Sang Soo Lee, Chang Min Lee, Wan Soo Kim, Yun Won Jo, Jin Joo Kim, Jae Min Lee, Hong Jun Kim, Chang Yoon Ha, Hyun Jin Kim, Tae Hyo Kim, Woon Tae Jung, Ok Jae Lee
OBJECTIVES: This study investigated the etiology of acute viral hepatitis and compared the clinical features of hepatitis E virus (HEV) infections with those of other acute viral hepatitis infections in Korea. METHODS: This study included 2,357 consecutive patients who were diagnosed with acute hepatitis, based on acute illness with jaundice or elevated alanine aminotransferase levels (>100 IU/L), between January 2007 and January 2016. Acute viral infections were observed in 23 (19...
November 17, 2017: Intervirology
https://www.readbyqxmd.com/read/29140242/guillain-barr%C3%A3-syndrome-acute-disseminated-encephalomyelitis-and-encephalitis-associated-with-zika-virus-infection-in-brazil-detection-of-viral-rna-and-isolation-of-virus-during-late-infection
#5
Maria Lucia Brito Ferreira, Carlos Alexandre Antunes de Brito, Álvaro José Porto Moreira, Maria Íris de Morais Machado, Adélia Henriques-Souza, Marli Tenório Cordeiro, Ernesto Torres de Azevedo Marques, Lindomar José Pena
Zika virus (ZIKV) emerged in Brazil in 2015, which was followed by an increase of Guillain-Barre Syndrome (GBS) cases. We report the epidemiological, clinical, and laboratory findings of the first six neurological cases associated with ZIKV in Brazil seen in a reference neurology hospital in Pernambuco, Brazil. In all cases, ZIKV was detected in serum and/or cerebrospinal fluid (CSF) samples. In this case series, four cases were defined as GBS, one as acute disseminated encephalomyelitis (ADEM) and the other as encephalitis...
November 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29138022/to-which-mixtures-are-french-pregnant-women-mainly-exposed-a-combination-of-the-second-french-total-diet-study-with-the-eden-and-elfe-cohort-studies
#6
T Traoré, A Forhan, V Sirot, M Kadawathagedara, B Heude, M Hulin, B de Lauzon-Guillain, J Botton, M A Charles, A Crépet
Pregnant women and their unborn child are exposed to a large number of substances during pregnancy. Some of these substances may cross the placenta, resulting in exposure of the foetus. There is growing evidence that certain substances could interact to produce a mixture effect. It is therefore essential to identify the main mixtures mothers are exposed to. This study aimed to identify the major mixtures French pregnant women included in EDEN and ELFE cohorts were exposed to, on the basis of the 441 substances analysed in the second French total diet study...
November 11, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29135369/t-cell-immunity-to-zika-and-dengue-viral-infections
#7
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/29130362/is-serum-bilirubin-associated-with-the-severity-of-guillain-barr%C3%A3-syndrome
#8
Xiaohong Li, Wenchao Li, Xiang Shi, Lijun Mo, Yuzhen Luo, Liuqun Qin, Zheng Yang, Wuning Mo
OBJECTIVE: Our aim was to assess the correlation between serum bilirubin levels and Guillain-Barré Syndrome (GBS). PATIENTS AND METHODS: One hundred and one newly diagnosed patients with GBS and 111 healthy age- and sex-matched individuals in the First Affiliated Hospital of Guangxi Medical University (Guangxi, China) from June 2012 to May 2017 were included in this study. Clinical characteristics and laboratory parameters of GBS patients and healthy controls were retrospectively analysed...
November 13, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29126899/merimepodib-an-impdh-inhibitor-suppresses-replication-of-zika-virus-and-other-emerging-viral-pathogens
#9
Xiao Tong, Jeanon Smith, Natalya Bukreyeva, Takaaki Koma, John T Manning, Raj Kalkeri, Ann D Kwong, Slobodan Paessler
Zika virus (ZIKV), a member of the Flaviviridae family, has recently been linked to abnormal pregnancies, fetal death, microcephaly, and Guillain-Barré syndrome in humans. Merimepodib (MMPD, VX-497), a potent inhibitor of inosine-5'-monophosphate dehydrogenase (IMPDH), has shown antiviral activity against HCV and a variety of DNA and RNA viruses in vitro. In this report, we expand the antiviral spectrum of MMPD, and demonstrate that MMPD inhibits ZIKV RNA replication with an EC50 of 0.6 μM. Furthermore, MMPD reduces the virus production of ZIKV as well as several other important emerging viral pathogens such as Ebola, Lassa, Chikungunya, and Junin viruses...
November 8, 2017: Antiviral Research
https://www.readbyqxmd.com/read/29123931/rapid-ascending-sensorimotor-paralysis-hearing-loss-and-fatal-arrhythmia-in-a-multimorbid-patient-due-to-an-accidental-overdose-of-fluoxetine
#10
Matthew Herrmann, Prissilla Xu, Antonio Liu
Background: Common side effects of selective serotonin reuptake inhibitors (SSRIs) include tachycardia, drowsiness, tremor, nausea, and vomiting. Although SSRIs have less toxic side effects compared to more traditional antidepressants, serious and life threatening cases of SSRI overdose have been reported. We describe a 24-year-old multimorbid female who presented to the emergency department with rapid onset ascending sensorimotor paralysis, complicated by respiratory and cardiac arrest, found to have fatal levels of fluoxetine by toxicological analysis, not taken in a suicidal act...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/29120341/guillaine-barre-syndrome-with-retained-deep-tendon-reflexes
#11
Mahesh Kamate
No abstract text is available yet for this article.
October 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/29118981/zika-virus-disease-microcephaly-and-guillain-barr%C3%A3-syndrome-in-colombia-epidemiological-situation-during-21%C3%A2-months-of-the-zika-virus-outbreak-2015-2017
#12
Nelson Méndez, Misael Oviedo-Pastrana, Salim Mattar, Isaac Caicedo-Castro, German Arrieta
Background: The Zika virus disease (ZVD) has had a huge impact on public health in Colombia for the numbers of people affected and the presentation of Guillain-Barre syndrome (GBS) and microcephaly cases associated to ZVD. Methods: A retrospective descriptive study was carried out, we analyze the epidemiological situation of ZVD and its association with microcephaly and GBS during a 21-month period, from October 2015 to June 2017. The variables studied were: (i) ZVD cases, (ii) ZVD cases in pregnant women, (iii) laboratory-confirmed ZVD in pregnant women, (iv) ZVD cases associated with microcephaly, (v) laboratory-confirmed ZVD associated with microcephaly, and (vi) ZVD associated to GBS cases...
2017: Archives of Public Health, Archives Belges de Santé Publique
https://www.readbyqxmd.com/read/29116029/zikv-infection-effects-changes-in-gene-splicing-isoform-composition-and-lncrna-expression-in-human-neural-progenitor-cells
#13
Benxia Hu, Yongxia Huo, Liping Yang, Guijun Chen, Minhua Luo, Jinlong Yang, Jumin Zhou
BACKGROUND: The Zika virus (ZIKV) is a mosquito-borne flavivirus that causes microcephaly and Guillain-Barré syndrome in infected individuals. To obtain insights into the mechanism of ZIKV infection and pathogenesis, we analyzed the transcriptome of ZIKV infected human neural progenitor cells (hNPCs) for changes in alternative splicing (AS), gene isoform (ISO) composition and long noncoding RNAs (lncRNAs) expression. METHODS: We analyzed differentially expressed lncRNAs, AS, ISO from RNA-seq data in ZIKV infected hNPCs...
November 7, 2017: Virology Journal
https://www.readbyqxmd.com/read/29112586/the-role-of-immunoglobulin-in-the-treatment-of-immune-mediated-peripheral-neuropathies
#14
Alejandro Tobon
Immune-mediated neuropathies are a group of peripheral nerve disorders characterized by motor or sensory deficits caused by inflammation leading to demyelination or axonal injury. Intravenous immunoglobulin (IVIg) has been demonstrated to be an effective therapy for the 3 most common immune-mediated neuropathies: Guillain-Barré syndrome, chronic inflammatory demyelinating polyneuropathy, and multifocal motor neuropathy. This review summarizes current data on the rationale for the use of IVIg in immune-mediated neuropathies, addressing mechanism of action, clinical evidence, and practical considerations for its use...
November 2017: Journal of Infusion Nursing: the Official Publication of the Infusion Nurses Society
https://www.readbyqxmd.com/read/29110997/spinal-nerve-involvement-in-early-guillain-barr%C3%A3-syndrome-the-haymaker-and-kernohan-s-legacy
#15
REVIEW
José Berciano
Pathological studies of early Guillain-Barré syndrome (GBS), defined as of 10days of disease onset, are scanty making it difficult to interpret the physiopathology of clinical and electrophysiological features. In 1949, Webb Haymaker and James Kernohan reported 50 clinico-pathological studies of fatal GBS cases, 32 of them having died between days 2 and 10 after onset. They established that the brunt of initial lesions, consisting of endoneurial oedema interpreted as degenerative, relied on spinal nerves. That this oedema was inflammatory was soon thereafter recognized...
November 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29110767/cerebrospinal-fluid-findings-in-guillain-barr%C3%A3-syndrome-and-chronic-inflammatory-demyelinating-polyneuropathies
#16
Zsolt Illes, Morten Blaabjerg
The classic immunologic alteration of the cerebrospinal fluid (CSF) in Guillain-Barré syndrome (GBS), albuminocytologic dissociation, has been known since the original paper by Guillain, Barré, and Strohl. Albuminocytologic dissociation has been also described in other forms of the GBS spectrum, such as axonal motor or motor-sensory forms (AMAN, AMSAN), the anti-GQ1b spectrum of Miller Fisher syndrome, and Bickerstaff brainstem encephalitis. Cytokines, chemokines, antibodies, complement components, and molecules with a putative neuroprotective role or indicating axonal damage have also been examined using different methods...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29108750/new-spectrum-of-the-neurologic-consequences-of-zika
#17
EDITORIAL
Marco T Medina, Marco Medina-Montoya
Zika virus infection represents a new neuropathological agent with association to a wide spectrum of neurological complications: a) Congenital Zika Syndrome by affecting the neural stem cells of the human fetal brain; b) Guillain-Barré Syndrome by an autoimmune response against peripheral myelin and/or axonal components or probable direct inflammatory reaction; c) Encephalitis/meningoencephalitis and myelitis by a direct viral inflammatory process on the central nervous system; d) Sensory neuropathy by infecting directly the peripheral neurons and causing substantial cell death and pathogenic transcriptional dysregulation; e) Acute Disseminated Encephalomyelitis and optic neuropathy; f) Seizures and Epilepsy and g) childhood arterial ischemic stroke by probable inflammatory reaction and endothelial injury...
November 1, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29108381/long-term-prognosis-of-guillain-barr%C3%A3-syndrome-not-determined-by-treatment-options
#18
Ying Wang, Wenjuan Lang, Yaqian Zhang, Xiaoyi Ma, Chunkui Zhou, Hong-Liang Zhang
Background: The long-term follow-up system for Guillain-Barré syndrome (GBS) is not well established worldwide. In our study, the preliminary data of the long-term prognosis of GBS are collected to explore the prognosis of GBS and the effect of intravenous immunoglobulin (IVIg) treatment. Methods: The follow-up data of 186 patients with GBS admitted from 2003 to 2013 were collected in 2015 via phone interview. The GBS disability scale score was ranked by clinician to evaluate the long-term prognosis...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29096750/clinical-efficacy-and-mechanism-of-lymphoplasma-exchange-in-the-treatment-of-guillain-barre-syndrome
#19
M-C Luo, W-F Wang, W-F Yin, Y Li, B-J Li, W-W Duan, Q-M Zeng, Y-B Luo, X-S Yang, H Yang
Guillain-Barre syndrome (GBS) is an autoimmune disease of the nervous system and is the most common acute polyneuropathy. Both cellular and humoral immunity are believed to be involved in the pathogenesis of GBS, and various types of activated CD4+ T cells are thought to orchestrate the onset and progression of GBS. Lymphoplasma exchange (LPE) filtering out activated lymphocytes while exchanging plasma has been used for GBS treatment for years. However the treatment is still not yet optimal. In order to assess the efficacy of this treatment, we evaluate the effect of LPE and determine the appropriate frequency of LPE treatments for GBS patients through comparing the neurological deficit scores and the changes in related immunology indicators of GBS patients before and after LPE treatment...
October 31, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/29096380/discovery-of-potential-zika-virus-rna-polymerase-inhibitors-by-docking-based-virtual-screening
#20
Anjali Singh, Nandan Kumar Jana
Zika virus (ZIKV) infection has been associated with Guillain-Barre syndrome in adults and microcephaly in infants. The existence of insufficient structural data in most of the protein databases hinders the synthesis of anti-ZIKV pharmaceutics. In this work, we attempted to model the catalytic domain of the ZIKV RNA polymerase (RdRpC) along with a detailed assessment of conserved aspartates in ZIKV RdRpC palm domain as potential drug targets. The conserved and catalytically active aspartate residues present in the predicted RdRpC protein were virtually screened against a ZINC database for inhibitors, and the selected potential drug candidates were further filtered based on their ADMET profiles...
October 24, 2017: Computational Biology and Chemistry
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