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https://www.readbyqxmd.com/read/28822631/clinical-evaluation-of-ebola-virus-disease-therapeutics
#1
REVIEW
Guodong Liu, Gary Wong, Shuo Su, Yuhai Bi, Frank Plummer, George F Gao, Gary Kobinger, Xiangguo Qiu
Ebola virus disease (EVD) was first described over 40 years ago, but no treatment has been approved for humans. The 2013-2016 EVD outbreak in West Africa has expedited the clinical evaluation of several candidate therapeutics that act through different mechanisms, but with mixed results. Nevertheless, these studies are important because the accumulation of clinical data and valuable experience in conducting efficacy trials under emergency circumstances will lead to better implementation of similar studies in the future...
August 16, 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/28820067/a-comprehensive-review-on-ebola-ebov-virus-future-prospects
#2
Dr Abdru Rauf, Muhammad, Abdur Rauf, Ahsan Khan, Muhammad Rizwan, Seema Patel, Haroon Khan, Adel Mahasneh, Mohammad S Mubarak
Ebola virus (EBOV) was discovered for the first time in 1976. It belongs to the family Filoviridae, which causes hemorrhagic fever that could lead to death in a few days. West Africa faced a major outbreak where symptoms appeared in the form of chills, myalgia, fever, diarrhea, and vomiting, and the disease finally reached a severe state as a result of hemorrhagic complications and failure of multiple organs. EBOV spreads by contact with body fluids of an infected person such as blood, saliva, urine, and seminal fluid, and also spreads by a contact with contaminated surfaces...
August 16, 2017: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/28807685/an-rna-polymerase-ii-driven-ebola-virus-minigenome-system-as-an-advanced-tool-for-antiviral-drug-screening
#3
Emily V Nelson, Jennifer R Pacheco, Adam Hume, Tessa N Cressey, Laure R Deflubé, John B Ruedas, John H Connor, Hideki Ebihara, Elke Mühlberger
Ebola virus (EBOV) causes a severe disease in humans with the potential for significant international public health consequences. Currently, treatments are limited to experimental vaccines and therapeutics. Therefore, research into prophylaxis and antiviral strategies to combat EBOV infections is of utmost importance. The requirement for high containment laboratories to study EBOV infection is a limiting factor for conducting EBOV research. To overcome this issue, minigenome systems have been used as valuable tools to study EBOV replication and transcription mechanisms and to screen for antiviral compounds at biosafety level 2...
August 11, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28794491/ebola-virus-vp24-interacts-with-np-to-facilitate-nucleocapsid-assembly-and-genome-packaging
#4
Logan Banadyga, Thomas Hoenen, Xavier Ambroggio, Eric Dunham, Allison Groseth, Hideki Ebihara
Ebola virus causes devastating hemorrhagic fever outbreaks for which no approved therapeutic exists. The viral nucleocapsid, which is minimally composed of the proteins NP, VP35, and VP24, represents an attractive target for drug development; however, the molecular determinants that govern the interactions and functions of these three proteins are still unknown. Through a series of mutational analyses, in combination with biochemical and bioinformatics approaches, we identified a region on VP24 that was critical for its interaction with NP...
August 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28761574/repurposed-therapeutic-agents-targeting-the-ebola-virus-a-systematic-review
#5
Hussein Sweiti, Obinna Ekwunife, Thomas Jaschinski, Stefan K Lhachimi
BACKGROUND: The Ebola virus has been responsible for numerous outbreaks since the 1970s, with the most recent outbreak taking place between 2014 and 2016 and causing an international public health emergency. Ebola virus disease (EVD) has a high mortality rate and no approved targeted treatment exists to date. A number of established drugs are being considered as potential therapeutic agents for the treatment of EVD. OBJECTIVE: We aimed to identify potential drug repositioning candidates and to assess the scientific evidence available on their efficacy...
2017: Current Therapeutic Research, Clinical and Experimental
https://www.readbyqxmd.com/read/28750617/health-system-preparedness-for-integration-of-mental-health-services-in-rural-liberia
#6
Wilfred S Gwaikolo, Brandon A Kohrt, Janice L Cooper
BACKGROUND: There are increasing efforts and attention focused on the delivery of mental health services in primary care in low resource settings (e.g., mental health Gap Action Programme, mhGAP). However, less attention is devoted to systematic approaches that identify and address barriers to the development and uptake of mental health services within primary care in low-resource settings. Our objective was to prepare for optimal uptake by identifying barriers in rural Liberia. The country's need for mental health services is compounded by a 14-year history of political violence and the largest Ebola virus disease outbreak in history...
July 27, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28725019/high-dose-sertraline-monotherapy-fails-to-protect-rhesus-macaques-from-lethal-challenge-with-ebola-virus-makona
#7
Anna N Honko, Joshua C Johnson, Jonathan S Marchand, Louis Huzella, Ricky D Adams, Nicholas Oberlander, Lisa M Torzewski, Richard S Bennett, Lisa E Hensley, Peter B Jahrling, Gene G Olinger
The recent epidemic of Ebola virus disease in West Africa resulted in an unprecedented number of cases and deaths. Due to the scope of the outbreak combined with the lack of available approved treatment options, there was strong motivation to investigate any potential drug which had existing data reporting anti-Ebola activity. Drugs with demonstrated antiviral activity in the nonhuman primate models already approved for another indication or for which there was existing safety data were considered to be priorities for evaluation by the World Health Organization...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28721965/the-rise-of-global-health-diplomacy-an-interdisciplinary-concept-linking-health-and-international-relations
#8
Vijay Kumar Chattu
Global health diplomacy (GHD) is relatively a very new field that has yet to be clearly defined and developed though there are various definitions given by different experts from foreign policy, global health, diplomacy, international relations, governance, and law. With the intensification of globalization and increasing gaps between countries, new and reemerging health threats such as HIV/AIDS, tuberculosis, influenza, severe acute respiratory syndrome, Ebola, and Zika and a gradual rethinking on security concepts framed a new political context...
April 2017: Indian Journal of Public Health
https://www.readbyqxmd.com/read/28709400/broad-range-potential-of-asphodelus-microcarpus-leaves-extract-for-drug-development
#9
Amalia Di Petrillo, Antonella Fais, Francesca Pintus, Celestino Santos-Buelga, Ana M González-Paramás, Vincenzo Piras, Germano Orrù, Antonello Mameli, Enzo Tramontano, Aldo Frau
BACKGROUND: Many plants have been used in traditional medicine for their antibacterial, antifungal, antiprotozoal, antiviral, antidiarrhoeal, analgesic, antimalarial, antioxidant, anti-inflammatory and anticancer activities. In order to find novel antimicrobial and antiviral agents, the aim of the present study was the evaluation of the antibacterial and antibiofilm susceptibility of Asphodelus microcarpus leaves extract. Moreover, the antiviral activity and the phytochemical composition of the active extract were also determined...
July 14, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28709136/tetracyclines-as-a-potential-antiviral-therapy-against-crimean-congo-hemorrhagic-fever-virus-docking-and-molecular-dynamic-studies
#10
Amirhossein Sharifi, Arash Amanlou, Faezeh Moosavi-Movahedi, Sahand Golestanian, Massoud Amanlou
Crimean-Congo Hemorrhagic Fever Virus (CCHFV) is one of the deadliest human diseases with mortality rate near 50%. Special attention should be paid to this virus since there is no approved treatment for it. On the other hand, the recent outbreak of Ebola virus which is a member of hemorrhagic fever viruses shows this group of viruses can be extremely dangerous. Previous studies have indicated that nucleoprotein of CCHFV, a pivotal protein in virus replication, is an appropriate target for antiviral drug development...
July 1, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28695354/mobile-health-clinic-for-the-medical-management-of-clinical-sequelae-experienced-by-survivors-of-the-2013-2016-ebola-virus-disease-outbreak-in-sierra-leone-west-africa
#11
R E Guetiya Wadoum, A Samin, N G Mafopa, M Giovanetti, G Russo, P Turay, J Turay, M Kargbo, M T Kanu, B Kargbo, J Akpablie, C J Cain, P Pasin, V Batwala, M S Sobze, M Potestà, A Minutolo, V Colizzi, C Montesano
An Ebola survivor Mobile Health Clinic (MHC) was established to implement lasting changes in communities it operates by providing effective and efficient mobile healthcare. After months of development, the MHC solution was operationalised in February 2015, aiming to provide integrated primary healthcare services to address the medical and psychosocial needs of Ebola virus (EBOV) survivors living in areas with low medical coverage. A total of 910 medical consultations for 246 EBOV survivors were performed between 7 February 2015 and 10 June 2016...
July 10, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28692384/advancing-the-use-of-emergency-department-syndromic-surveillance-data-new-york-city-2012-2016
#12
Ramona Lall, Jasmine Abdelnabi, Stephanie Ngai, Hilary B Parton, Kelly Saunders, Jessica Sell, Amanda Wahnich, Don Weiss, Robert W Mathes
INTRODUCTION: The use of syndromic surveillance has expanded from its initial purpose of bioterrorism detection. We present 6 use cases from New York City that demonstrate the value of syndromic surveillance for public health response and decision making across a broad range of health outcomes: synthetic cannabinoid drug use, heat-related illness, suspected meningococcal disease, medical needs after severe weather, asthma exacerbation after a building collapse, and Ebola-like illness in travelers returning from West Africa...
July 2017: Public Health Reports
https://www.readbyqxmd.com/read/28685814/drug-repurposing-screens-and-synergistic-drug-combinations-for-infectious-diseases
#13
REVIEW
Wei Zheng, Wei Sun, Anton Simeonov
Infectious diseases account for nearly one fifth of the worldwide death toll every year. Continuous increase of drug-resistant pathogens is a big challenge for treatment of infectious diseases. In addition, emerging outbreaks of infections and new pathogens are potential threats to public health. Lack of effective treatments for drug-resistant bacteria and recent outbreaks of Ebola and Zika viral infections have become a global public health concern. The number of newly approved antibiotics has decreased significantly in the last two decades compared to previous decades...
July 7, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28679761/the-host-e3-ubiquitin-ligase-trim6-ubiquitinates-the-ebola-virus-vp35-protein-and-promotes-virus-replication
#14
Preeti Bharaj, Colm Atkins, Priya Luthra, Maria Isabel Giraldo, Brian E Dawes, Lisa Miorin, Jeffrey R Johnson, Nevan J Krogan, Christopher F Basler, Alexander N Freiberg, Ricardo Rajsbaum
Ebola virus (EBOV), a member of the Filoviridae family, is a highly pathogenic virus that causes severe hemorrhagic fever in humans and is responsible for epidemics throughout sub-Saharan, central and West Africa. The EBOV genome encodes for VP35, an important viral protein involved in virus replication by acting as an essential cofactor of the viral polymerase as well as a potent antagonist of the host antiviral type-I interferon (IFN-I) system. By using mass spectrometry analysis and co-immunoprecipitation assays, we show here that VP35 is ubiquitinated on lysine 309 (K309), a residue located on its IFN antagonist domain...
July 5, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28663940/considerations-for-use-of-investigational-drugs-in-public-health-emergencies
#15
Matthew Carl Kirchoff, Jerome F Pierson
The paradigm for the use of investigational drugs in public health emergencies has been recently tested to prevent and treat highly infectious and lethal diseases. Examples include the successful implementation of vaccine and therapeutic clinical trials during the recent Ebola outbreak in West Africa. On the other end of the spectrum was the Emergency Use Authorization (EUA) of peramivir in the treatment of H1N1 influenza virus that did not provide an opportunity to collect data or understand the effectiveness of the EUA program...
March 2017: Therapeutic Innovation & Regulatory Science
https://www.readbyqxmd.com/read/28659479/crystal-structure-of-the-marburg-virus-nucleoprotein-core-domain-chaperoned-by-a-vp35-peptide-reveals-a-conserved-drug-target-for-filovirus
#16
Tengfei Zhu, Hao Song, Ruchao Peng, Yi Shi, Jianxun Qi, George F Gao
Filovirus nucleoprotein (NP), viral protein 35 (VP35), and polymerase L are essential for viral replication and nucleocapsid formation. Here, we identified a 28-residue peptide (NP binding peptide, NPBP) from the Marburg virus (MARV) VP35 through sequence alignment with previously identified Ebola virus (EBOV) NPBP, which bound to the core region (residues 18-344) of the N-terminal portion of MARV NP with high affinity. The crystal structure of the MARV NP-core/NPBP complex at a resolution of 2.6 Å revealed that NPBP binds to the C-terminal region of the NP-core via electrostatic and non-polar interactions...
June 28, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28651650/ethics-review-of-studies-during-public-health-emergencies-the-experience-of-the-who-ethics-review-committee-during-the-ebola-virus-disease-epidemic
#17
Emilie Alirol, Annette C Kuesel, Maria Magdalena Guraiib, Vânia de la Fuente-Núñez, Abha Saxena, Melba F Gomes
BACKGROUND: Between 2013 and 2016, West Africa experienced the largest ever outbreak of Ebola Virus Disease. In the absence of registered treatments or vaccines to control this lethal disease, the World Health Organization coordinated and supported research to expedite identification of interventions that could control the outbreak and improve future control efforts. Consequently, the World Health Organization Research Ethics Review Committee (WHO-ERC) was heavily involved in reviews and ethics discussions...
June 26, 2017: BMC Medical Ethics
https://www.readbyqxmd.com/read/28640812/challenges-in-preparing-and-implementing-a-clinical-trial-at-field-level-in-an-ebola-emergency-a-case-study-in-guinea-west-africa
#18
Sara Carazo Perez, Elin Folkesson, Xavier Anglaret, Abdoul-Habib Beavogui, Emmanuel Berbain, Alseny-Modet Camara, Evelyn Depoortere, Annabelle Lefevre, Piet Maes, Kristian Nødtvedt Malme, Jean-Marie Denis Malvy, Sien Ombelet, Geertrui Poelaert, Daouda Sissoko, Alexis Tounkara, Pierre Trbovic, Pascal Piguet, Annick Antierens
During the large Ebola outbreak that affected West Africa in 2014 and 2015, studies were launched to evaluate potential treatments for the disease. A clinical trial to evaluate the effectiveness of the antiviral drug favipiravir was conducted in Guinea. This paper describes the main challenges of the implementation of the trial in the Ebola treatment center of Guéckédou. Following the principles of the Good Clinical Research Practices, we explored the aspects of the community's communication and engagement, ethical conduct, trial protocol compliance, informed consent of participants, ongoing benefit/risk assessment, record keeping, confidentiality of patients and study data, and roles and responsibilities of the actors involved...
June 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28596841/targeting-endosomal-acidification-by-chloroquine-analogs-as-a-promising-strategy-for-the-treatment-of-emerging-viral-diseases
#19
REVIEW
Md Abdul Alim Al-Bari
Emerging viruses such as HIV, dengue, influenza A, SARS coronavirus, Ebola, and other viruses pose a significant threat to human health. Majority of these viruses are responsible for the outbreaks of pathogenic lethal infections. To date, there are no effective therapeutic strategies available for the prophylaxis and treatment of these infections. Chloroquine analogs have been used for decades as the primary and most successful drugs against malaria. Concomitant with the emergence of chloroquine-resistant Plasmodium strains and a subsequent decrease in the use as antimalarial drugs, other applications of the analogs have been investigated...
February 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28580138/plasma-membrane-association-facilitates-conformational-changes-in-the-marburg-virus-protein-vp40-dimer
#20
Nisha Bhattarai, Jeevan B Gc, Bernard S Gerstman, Robert V Stahelin, Prem P Chapagain
Filovirus infections cause hemorrhagic fever in humans and non-human primates that often results in high fatality rates. The Marburg virus is a lipid-enveloped virus from the Filoviridae family and is closely related to the Ebola virus. The viral matrix layer underneath the lipid envelope is formed by the matrix protein VP40 (VP40), which is also involved in other functions during the viral life-cycle. As in the Ebola virus VP40 (eVP40), the recently determined X-ray crystal structure of the Marburg virus VP40 (mVP40) features loops containing cationic residues that form a lipid binding basic patch...
April 26, 2017: RSC Advances
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