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https://www.readbyqxmd.com/read/28334511/elongated-and-shortened-peptidomimetic-inhibitors-of-the-proprotein-convertase-furin
#1
Kornelia Hardes, Teodora Ivanova, Bastian Thaa, Gerald M McInerney, Tove Irene Klokk, Kirsten Sandvig, Sebastian Künzel, Iris Lindberg, Torsten Steinmetzer
Novel elongated and shortened derivatives of the peptidomimetic furin inhibitor phenylacteyl-Arg-Val-Arg-4-amidinobenzylamide were synthesized. The most potent compounds, e.g., Nα(carbamidoyl)Arg-Arg-Val-Arg-4-amidinobenzylamide (Ki = 6.2 pM), contain additional basic residues at the N-terminus and inhibit furin in the low picomolar range. Furthermore, to decrease the molecular weight of this inhibitor type, compounds lacking the P5-moiety were prepared. The best inhibitors of this series, 5-(guanidino)-valeroyl-Val-Arg-4-amidinobenzylamide and its P3 tert...
March 23, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28333986/building-the-road-to-a-regional-zoonoses-strategy-a-survey-of-zoonoses-programmes-in-the-americas
#2
Melody J Maxwell, Mary H Freire de Carvalho, Armando E Hoet, Marco A N Vigilato, Julio C Pompei, Ottorino Cosivi, Victor J Del Rio Vilas
BACKGROUND: In recent years, global public health security has been threatened by zoonotic disease emergence as exemplified by outbreaks of H5N1 and H1N1 influenza, SARS, and most recently Ebola and Zika. Additionally, endemic zoonoses, such as rabies, burden countries year after year, placing demands on limited finances and personnel. To survey the baseline status of the emerging and endemic zoonoses programmes of the Latin American and the Caribbean (LAC) countries, the Pan American Health Organization (PAHO) conducted a survey of priority emerging and endemic zoonoses, countries´ prioritization criteria and methodologies, and suggestions to strengthen countries capacities and regional approaches to zoonoses control...
2017: PloS One
https://www.readbyqxmd.com/read/28327810/spatial-temporal-analysis-of-dengue-deaths-identifying-social-vulnerabilities
#3
Maria do Socorro da Silva, Maria Dos Remédios Freitas Carvalho Branco, José Aquino, Rejane Christine de Sousa Queiroz, Emanuele Bani, Emnielle Pinto Borges Moreira, Maria Nilza Lima Medeiros, Zulimar Márita Ribeiro Rodrigues
INTRODUCTION: Currently, dengue fever, chikungunya fever, and zika virus represent serious public health issues in Brazil, despite efforts to control the vector, the Aedes aegypti mosquito. METHODS: This was a descriptive and ecological study of dengue deaths occurring from 2002 to 2013 in São Luis, Maranhão, Brazil. Geoprocessing software was used to draw maps, linking the geo-referenced deaths with urban/social data at census tract level. RESULTS: There were 74 deaths, concentrated in areas of social vulnerability...
January 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28327798/molecular-and-clinical-epidemiological-surveillance-of-dengue-virus-in-para%C3%A3-ba-northeast-brazil
#4
Isabel Cristina Guerra-Gomes, Bruna Macêdo Gois, Rephany Fonseca Peixoto, Camila Alves Oliveira, Bruna Leal Lima Maciel, Maria Izabel Ferreira Sarmento, Anna Stella Cysneiros Pachá, Josélio Maria Galvão Araújo, Ian Porto Gurgel Amaral, Tatjana Souza Lima Keesen
INTRODUCTION: Despite being the most prevalent arboviral disease worldwide, dengue has been neglected lately. However, recent epidemics of arboviruses such as Zika and chikungunya in locations throughout the world have alerted health authorities to these diseases. This study evaluated the incidence pattern of dengue, its clinical characteristics, and co-circulation of serotypes from 2007 to 2015 in Paraiba State, Northeast Brazil. METHODS: Data on dengue cases from 2007 to 2015 were extracted from clinical reports of the National System for Notifiable Diseases [Sistema Nacional de Agravos de Notificação (SINAN)] of Brazil provided by the Paraiba Health Department...
January 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28327521/potential-antivirals-natural-products-targeting-replication-enzymes-of-dengue-and-chikungunya-viruses
#5
REVIEW
Ana Flávia Costa da Silveira Oliveira, Róbson Ricardo Teixeira, André Silva de Oliveira, Ana Paula Martins de Souza, Milene Lopes da Silva, Sérgio Oliveira de Paula
Dengue virus (DENV) and chikungunya virus (CHIKV) are reemergent arboviruses that are transmitted by mosquitoes of the Aedes genus. During the last several decades, these viruses have been responsible for millions of cases of infection and thousands of deaths worldwide. Therefore, several investigations were conducted over the past few years to find antiviral compounds for the treatment of DENV and CHIKV infections. One attractive strategy is the screening of compounds that target enzymes involved in the replication of both DENV and CHIKV...
March 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28322703/persistent-arthralgia-associated-with-chikungunya-virus-outbreak-us-virgin-islands-december-2014-february-2016
#6
Leora R Feldstein, Ali Rowhani-Rahbar, J Erin Staples, Marcia R Weaver, M Elizabeth Halloran, Esther M Ellis
After the 2014-2015 outbreak of chikungunya virus in the US Virgin Islands, we compared the prevalence of persistent arthralgia among case-patients and controls. Prevalence was higher in case-patients than controls 6 and 12 months after disease onset. Continued vaccine research to prevent acute illness and long-term sequelae is essential.
April 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28321362/from-eggs-to-bites-do-ovitrap-data-provide-reliable-estimates-of-aedes-albopictus-biting-females
#7
Mattia Manica, Roberto Rosà, Alessandra Della Torre, Beniamino Caputo
BACKGROUND: Aedes albopictus is an aggressive invasive mosquito species that represents a serious health concern not only in tropical areas, but also in temperate regions due to its role as vector of arboviruses. Estimates of mosquito biting rates are essential to account for vector-human contact in models aimed to predict the risk of arbovirus autochthonous transmission and outbreaks, as well as nuisance thresholds useful for correct planning of mosquito control interventions. Methods targeting daytime and outdoor biting Ae...
2017: PeerJ
https://www.readbyqxmd.com/read/28317856/a-smartphone-based-diagnostic-platform-for-rapid-detection-of-zika-chikungunya-and-dengue-viruses
#8
Aashish Priye, Sara W Bird, Yooli K Light, Cameron S Ball, Oscar A Negrete, Robert J Meagher
Current multiplexed diagnostics for Zika, dengue, and chikungunya viruses are situated outside the intersection of affordability, high performance, and suitability for use at the point-of-care in resource-limited settings. Consequently, insufficient diagnostic capabilities are a key limitation facing current Zika outbreak management strategies. Here we demonstrate highly sensitive and specific detection of Zika, chikungunya, and dengue viruses by coupling reverse-transcription loop-mediated isothermal amplification (RT-LAMP) with our recently developed quenching of unincorporated amplification signal reporters (QUASR) technique...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28315708/2016-international-meeting-of-the-global-virus-network
#9
REVIEW
Ramesh Akkina, Heinz Ellerbrok, William Hall, Hideki Hasegawa, Yasushi Kawaguchi, Harold Kleanthous, Edward McSweegan, Natalia Mercer, Victor Romanowski, Hirofumi Sawa, Anders Vahlne
The Global Virus Network (GVN) was established in 2011 in order to strengthen research and responses to current viral causes of human disease and to prepare against new viral pandemic threats. There are now 38 GVN Centers of Excellence and 6 Affiliate laboratories in 24 countries. GVN scientists meet annually to learn about each other's current research, address collaborative priorities and plan future programs. The 2016 meeting was held from October 23-25 in Hokkaido, Japan, in partnership with the Japanese Society for Virology, the National Institute of Infectious Diseases of Japan and the Research Center for Zoonosis Control of Hokkaido University...
March 16, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28302072/imported-arboviral-infections-in-italy-july-2014-october-2015-a-national-reference-laboratory-report
#10
Claudia Fortuna, Maria Elena Remoli, Caterina Rizzo, Eleonora Benedetti, Cristiano Fiorentini, Antonino Bella, Claudio Argentini, Francesca Farchi, Concetta Castilletti, Maria Rosaria Capobianchi, Lorenzo Zammarchi, Alessandro Bartoloni, Nadia Zanchetta, Maria Rita Gismondo, Luca Ceccherini Nelli, Giustina Vitale, Franco Baldelli, Pierlanfranco D'Agaro, Giuseppe Sodano, Giovanni Rezza, Giulietta Venturi
BACKGROUND: Imported cases of infections due to Dengue (DENV) and Chikungunya (CHIKV) viruses and, more recently, Zika virus (ZIKV) are commonly reported among travelers returning from endemic regions. In areas where potentially competent vectors are present, the risk of autochthonous transmission of these vector-borne pathogens is relatively high. Laboratory surveillance is crucial to rapidly detect imported cases in order to reduce the risk of transmission. This study describes the laboratory activity performed by the National Reference Laboratory for Arboviruses (NRLA) at the Italian National Institute of Health in the period from July 2014 to October 2015...
March 16, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28294472/knowledge-and-practice-regarding-dengue-and-chikungunya-a-cross-sectional-study-among-healthcare-workers-and-community-in-northern-tanzania
#11
Debora C Kajeguka, Rachelle E Desrochers, Rose Mwangi, Maseke R Mgabo, Michael Alifrangis, Reginald A Kavishe, Franklin W Mosha, Manisha A Kulkarni
OBJECTIVE: To investigate knowledge and prevention practices regarding dengue and chikungunya amongst community members, as well as knowledge, treatment and diagnostic practices among healthcare workers. METHOD: We conducted a cross-sectional survey with 125 community members and 125 healthcare workers from 13 health facilities in six villages in the Hai district of Tanzania. A knowledge score was generated based on participant responses to a structured questionnaire, with a score of 40 or higher (out of 80 and 50 total scores for community members and healthcare workers, respectively) indicating good knowledge...
March 13, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28294048/computer-aided-structure-based-drug-design-approaches-for-the-discovery-of-new-anti-chikv-agents
#12
Surender Singh Jadav, Barij Nayan Sinha, Rolf Hilgenfeld, Venkatesan Jayaprakash
BACKGROUND: Chikungunya is a viral infection caused by Chikungunya virus (CHIKV), an arbovirus transmitted through mosquito (Aedes aegypti and Aedes albopictus) bite. The virus from sylvatic cycle in Africa mutated to new vector adaptation and became one of the major emerging and re-emerging viral infections in the past decade, affecting more than 40 countries. Efforts are being made by many researches to develop means to prevent and control the infection through vaccines and vector control strategy...
March 9, 2017: Current Computer-aided Drug Design
https://www.readbyqxmd.com/read/28293463/chikungunya-and-bilateral-sacroiliitis-is-there-a-link
#13
Muhammad K Nisar, Christabel Packianathan
No abstract text is available yet for this article.
March 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28288924/global-expansion-of-chikungunya-virus-mapping-the-64-year-history
#14
REVIEW
Braira Wahid, Amjad Ali, Shazia Rafique, Muhammad Idrees
Chikungunya virus (CHIKV) is a mosquito-transmitted alphavirus that is emerging as a global threat because of its highly debilitating nature and unprecedented magnitude. The disease originated from Africa and then hit the entire globe causing large number of epidemics that infected millions of people in Asia, Indian subcontinent, Europe, Americas, and Pacific Islands. According to phylogenetic analysis, four different genotypes of CHIKV are: Asian, West African, East/Central/South African (ECSA), and Indian Ocean lineage (IOL)...
March 10, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28286701/first-report-of-the-east-central-south-african-genotype-of-chikungunya-virus-in-rio-de-janeiro-brazil
#15
Thiara Manuele Alves Souza, Elzinandes Leal Azeredo, Jessica Badolato-Corrêa, Paulo Vieira Damasco, Carla Santos, Fabienne Petitinga-Paiva, Priscila Conrado Guerra Nunes, Luciana Santos Barbosa, Márcio Costa Cipitelli, Thais Chouin-Carneiro, Nieli Rodrigues Costa Faria, Rita Maria Ribeiro Nogueira, Fernanda de Bruycker-Nogueira, Flavia Barreto Dos Santos
BACKGROUND: Chikungunya virus (CHIKV) is an arbovirus that causes an acute febrile syndrome with a severe and debilitating arthralgia. In Brazil, the Asian and East-Central South African (ECSA) genotypes are circulating in the north and northeast of the country, respectively. In 2015, the first autochthonous cases in Rio de Janeiro, Brazil were reported but until now the circulating strains have not been characterized. Therefore, we aimed here to perform the molecular characterization and phylogenetic analysis of CHIKV strains circulating in the 2016 outbreak occurred in the municipality of Rio de Janeiro...
February 14, 2017: PLoS Currents
https://www.readbyqxmd.com/read/28283929/molecular-docking-studies-to-explore-potential-binding-pockets-and-inhibitors-for-chikungunya-virus-envelope-glycoproteins
#16
Phuong T V Nguyen, Haibo Yu, Paul A Keller
The chikungunya virus (CHIKV) envelope glycoproteins are considered important potential targets for anti-CHIKV drug discovery due to their crucial roles in virus attachment and virus entry. In this study, using two available crystal structures of the immature and mature forms of envelope glycoproteins, virtual screenings based on blind dockings and focused dockings were carried out to identify potential binding pockets and hit compounds for the virus. The chemical library database of compounds, NCI Diversity Set II, was used in these docking studies...
March 11, 2017: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/28282375/a-human-judgment-approach-to-epidemiological-forecasting
#17
David C Farrow, Logan C Brooks, Sangwon Hyun, Ryan J Tibshirani, Donald S Burke, Roni Rosenfeld
Infectious diseases impose considerable burden on society, despite significant advances in technology and medicine over the past century. Advanced warning can be helpful in mitigating and preparing for an impending or ongoing epidemic. Historically, such a capability has lagged for many reasons, including in particular the uncertainty in the current state of the system and in the understanding of the processes that drive epidemic trajectories. Presently we have access to data, models, and computational resources that enable the development of epidemiological forecasting systems...
March 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28280060/chikungunya
#18
Gayathri Nayar, Mahableshwar Albur
No abstract text is available yet for this article.
March 9, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28278416/arboviral-diseases-and-malaria-in-australia-2013-14-annual-report-of-the-national-arbovirus-and-malaria-advisory-committee
#19
Katrina E Knope, Mike Muller, Nina Kurucz, Stephen L Doggett, Rebecca Feldman, Cheryl A Johansen, Michaela Hobby, Sonya Bennett, Stacey Lynch, Angus Sly, Bart J Currie
This report describes the epidemiology of mosquito-borne diseases of public health importance in Australia during the 2013-14 season (1 July 2013 to 30 June 2014) and includes data from human notifications, sentinel chicken, vector and virus surveillance programs. The National Notifiable Diseases Surveillance System received notifications for 8,898 cases of disease transmitted by mosquitoes during the 2013-14 season. The Australasian alphaviruses Barmah Forest virus and Ross River virus accounted for 6,372 (72%) total notifications...
September 30, 2016: Communicable Diseases Intelligence Quarterly Report
https://www.readbyqxmd.com/read/28274195/quality-control-and-data-validation-procedure-in-large-scale-quantitative-monitoring-of-mosquito-density-the-case-of-aedes-albopictus-in-emilia-romagna-region-italy
#20
Marco Carrieri, Alessandro Albieri, Sandra Urbanelli, Paola Angelini, Claudio Venturelli, Carmela Matrangolo, Romeo Bellini
The risk of local transmission of chikungunya, dengue, and Zika viruses from viremic travelers arriving from affected areas is a real possibility in southern Europe, due to the large presence of the vector Aedes albopictus. The first chikungunya outbreak in Europe occurred in the Emilia-Romagna region, Italy, in 2007, prompting the regional public health department to implement an Ae. albopictus monitoring and control plan. This paper presents the procedure developed for the quality control of the data collected by the regional ovitrap monitoring network...
March 2017: Pathogens and Global Health
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