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https://www.readbyqxmd.com/read/29161116/corticosteroid-therapy-for-critically-ill-patients-with-the-middle-east-respiratory-syndrome
#1
Yaseen M Arabi, Yasser Mandourah, Fahad Al-Hameed, Anees A Sindi, Ghaleb A Al Mekhlafi, Mohamed A Hussein, Jesna Jose, Ruxandra Pinto, Awad Al-Omari, Ayman Kharaba, Abdullah Almotairi, Kasim Al Khatib, Basem Alraddadi, Sarah Shalhoub, Ahmed Abdulmomen, Ismael Qushmaq, Ahmed Mady, Othman Solaiman, Abdulsalam M Al-Aithan, Rajaa Al-Raddadi, Ahmed Ragab, Hanan H Balkhy, Abdulrahman Al Harthy, Ahmad M Deeb, Hanan Al Mutairi, Abdulaziz Al-Dawood, Laura Merson, Frederick G Hayden, Robert A Fowler
RATIONALE: Corticosteroid therapy is commonly used among critically ill patients with the Middle East Respiratory Syndrome (MERS), but its impact on outcomes is uncertain. Analyses of observational studies often do not account for patients' clinical condition at the time of corticosteroid therapy initiation. OBJECTIVES: To investigate the association of corticosteroid therapy on mortality and on MERS coronavirus RNA clearance in critically ill patients with MERS...
November 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29160927/climate-change-impacts-on-selected-global-rangeland-ecosystem-services
#2
Randall B Boone, Richard T Conant, Jason Sircely, Philip K Thornton, Mario Herrero
Rangelands are Earth's dominant land cover and are important providers of ecosystem services. Reliance on rangelands is projected to grow, thus understanding the sensitivity of rangelands to future climates is essential. We used a new ecosystem model of moderate complexity that allows, for the first time, to quantify global changes expected in rangelands under future climates. The mean global annual net primary production (NPP) may decline by 10 g C m(-2) yr(-1) in 2050 under Representative Concentration Pathway (RCP) 8...
November 21, 2017: Global Change Biology
https://www.readbyqxmd.com/read/29159596/human-monoclonal-antibodies-as-candidate-therapeutics-against-emerging-viruses
#3
REVIEW
Yujia Jin, Cheng Lei, Dan Hu, Dimiter S Dimitrov, Tianlei Ying
The emergence of new pathogens, such as severe acute respiratory syndrome coronavirus (SARS-CoV), Middle East respiratory syndrome coronavirus (MERS-CoV), and Ebola virus, poses serious challenges to global public health and highlights the urgent need for novel antiviral approaches. Monoclonal antibodies (mAbs) have been successfully used to treat various diseases, particularly cancer and immunological disorders. Antigen-specific mAbs have been isolated using several different approaches, including hybridoma, transgenic mice, phage display, yeast display, and single B-cell isolation...
November 20, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/29157957/selection-of-vaccine-strains-for-serotype-o-foot-and-mouth-disease-viruses-2007-2012-circulating-in-southeast-asia-east-asia-and-far-east
#4
Mana Mahapatra, Sasmita Upadhyaya, Sharie Aviso, Aravindh Babu, Geoff Hutchings, Satya Parida
Foot-and-mouth disease (FMD) is endemic in Southeast Asia (SEA) and East Asia with circulation of multiple serotypes and multiple genotypes within each serotype of the virus. Although countries like Japan and South Korea in the Far East were free of FMD, in 2010 FMD serotype O (O/Mya-98) outbreaks were recorded and since then South Korea has experienced several FMD outbreaks despite regular vaccination. In this study a total of 85 serotype O FMD viruses (FMDV) isolated from 2007 to 2012 from SEA, East Asia and Far East were characterized by virus neutralisation tests using antisera to four existing (O/HKN/6/83, O/IND/R2/75, O/SKR/2010 and O/PanAsia-2) and one putative (O/MYA/2009) vaccine strains, and by full capsid sequencing...
November 17, 2017: Vaccine
https://www.readbyqxmd.com/read/29155867/spectrum-of-pathogen-and-model-specific-histopathologies-in-mouse-models-of-acute-pneumonia
#5
Kristina Dietert, Birgitt Gutbier, Sandra M Wienhold, Katrin Reppe, Xiaohui Jiang, Ling Yao, Catherine Chaput, Jan Naujoks, Markus Brack, Alexandra Kupke, Christin Peteranderl, Stephan Becker, Carolin von Lachner, Nelli Baal, Hortense Slevogt, Andreas C Hocke, Martin Witzenrath, Bastian Opitz, Susanne Herold, Holger Hackstein, Leif E Sander, Norbert Suttorp, Achim D Gruber
Pneumonia may be caused by a wide range of pathogens and is considered the most common infectious cause of death in humans. Murine acute lung infection models mirror human pathologies in many aspects and contribute to our understanding of the disease and the development of novel treatment strategies. Despite progress in other fields of tissue imaging, histopathology remains the most conclusive and practical read out tool for the descriptive and semiquantitative evaluation of mouse pneumonia and therapeutic interventions...
2017: PloS One
https://www.readbyqxmd.com/read/29155659/us-federal-travel-restrictions-for-persons-with-higher-risk-exposures-to-communicable-diseases-of-public-health-concern
#6
Laura A Vonnahme, M Robynne Jungerman, Reena K Gulati, Petra Illig, Francisco Alvarado-Ramy
Published guidance recommends controlled movement for persons with higher-risk exposures (HREs) to communicable diseases of public health concern; US federal public health travel restrictions (PHTRs) might be implemented to enforce these measures. We describe persons eligible for and placed on PHTRs because of HREs during 2014-2016. There were 160 persons placed on PHTRs: 142 (89%) involved exposure to Ebola virus, 16 (10%) to Lassa fever virus, and 2 (1%) to Middle East respiratory syndrome coronavirus. Most (90%) HREs were related to an epidemic...
December 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29155322/digestive-tract-colonization-by-multidrug-resistant-enterobacteriaceae-in-travellers-an-update
#7
REVIEW
Etienne Ruppé, Antoine Andremont, Laurence Armand-Lefèvre
BACKGROUND: Enterobacteriaceae have become increasingly resistant, especially due to the acquisition and spread of extended-spectrum beta-lactamases (ESBLs), which confer resistance to the majority of beta-lactams. Multi-resistant Enterobacteriaceae (MRE) were first isolated in hospitals, but now they are disseminating in the community setting, mostly in low and middle income countries. Consequently, the increasing number of international travels leads to the importation of MRE from high-prevalence to low-prevalence countries...
November 16, 2017: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/29155280/molecular-analysis-of-tick-borne-protozoan-and-rickettsial-pathogens-in-small-ruminants-from-two-south-african-provinces
#8
Aaron Edmond Ringo, Paul Franck Adjou Moumouni, Moeti Taioe, Charoonluk Jirapattharasate, Mingming Liu, Guanbo Wang, Yang Gao, Huanping Guo, Seung-Hun Lee, Weiqing Zheng, Artemis Efstratiou, Jixu Li, Noboru Inoue, Hiroshi Suzuki, Oriel Thekisoe, Xuenan Xuan
Tick-borne protozoan and rickettsial diseases are a major threat to livestock in tropical and sub-tropical regions of Africa. In this study we investigated the presence and distribution of Theileria spp., Babesia ovis, Anaplasma ovis, Anaplasma phagocytophilum, Ehrlichia ruminantium and SFG Rickettsia in sheep and goats from Free State and KwaZulu-Natal provinces. A total of 91 blood samples were screened in this study, 61 from goats and 30 from sheep. PCR assay was conducted using primers based on Theileria spp...
November 15, 2017: Parasitology International
https://www.readbyqxmd.com/read/29153641/a-middle-east-respiratory-syndrome-screening-clinic-for-health-care-personnel-during-the-2015-middle-east-respiratory-syndrome-outbreak-in-south-korea-a-single-center-experience
#9
Ji Yeon Lee, Gayeon Kim, Dong-Gyun Lim, Hyeon-Gun Jee, Yunyoung Jang, Joon-Sung Joh, Ina Jeong, Yeonjae Kim, Eunhee Kim, Bum Sik Chin
BACKGROUND: Transmission of Middle East respiratory syndrome (MERS) to health care personnel (HCP) is a major concern. This study aimed to review cases of MERS-related events, such as development of MERS-like symptoms or exposure to patients. METHODS: A MERS screening clinic (MSC) for HCP was setup in the National Medical Center during the MERS outbreak in 2015. Clinical and laboratory data from HCP who visited the MSC were retrospectively reviewed. Additionally, these data were compared with the results of postoutbreak questionnaire surveys and interviews about MERS-related symptoms and risk-related events...
November 16, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/29152578/middle-east-respiratory-syndrome-coronavirus-nonstructural-protein-16-is-necessary-for-interferon-resistance-and-viral-pathogenesis
#10
Vineet D Menachery, Lisa E Gralinski, Hugh D Mitchell, Kenneth H Dinnon, Sarah R Leist, Boyd L Yount, Rachel L Graham, Eileen T McAnarney, Kelly G Stratton, Adam S Cockrell, Kari Debbink, Amy C Sims, Katrina M Waters, Ralph S Baric
Coronaviruses (CoVs) encode a mixture of highly conserved and novel genes, as well as genetic elements necessary for infection and pathogenesis, raising the possibility of common targets for attenuation and therapeutic design. In this study, we focused on highly conserved nonstructural protein 16 (NSP16), a viral 2'O-methyltransferase (2'O-MTase) that encodes critical functions in immune modulation and infection. Using reverse genetics, we disrupted a key motif in the conserved KDKE motif of Middle East respiratory syndrome CoV (MERS-CoV) NSP16 (D130A) and evaluated the effect on viral infection and pathogenesis...
November 2017: MSphere
https://www.readbyqxmd.com/read/29152574/human-intestinal-tract-serves-as-an-alternative-infection-route-for-middle-east-respiratory-syndrome-coronavirus
#11
Jie Zhou, Cun Li, Guangyu Zhao, Hin Chu, Dong Wang, Helen Hoi-Ning Yan, Vincent Kwok-Man Poon, Lei Wen, Bosco Ho-Yin Wong, Xiaoyu Zhao, Man Chun Chiu, Dong Yang, Yixin Wang, Rex K H Au-Yeung, Ivy Hau-Yee Chan, Shihui Sun, Jasper Fuk-Woo Chan, Kelvin Kai-Wang To, Ziad A Memish, Victor M Corman, Christian Drosten, Ivan Fan-Ngai Hung, Yusen Zhou, Suet Yi Leung, Kwok-Yung Yuen
Middle East respiratory syndrome coronavirus (MERS-CoV) has caused human respiratory infections with a high case fatality rate since 2012. However, the mode of virus transmission is not well understood. The findings of epidemiological and virological studies prompted us to hypothesize that the human gastrointestinal tract could serve as an alternative route to acquire MERS-CoV infection. We demonstrated that human primary intestinal epithelial cells, small intestine explants, and intestinal organoids were highly susceptible to MERS-CoV and can sustain robust viral replication...
November 2017: Science Advances
https://www.readbyqxmd.com/read/29151847/pediatric-traumatic-brain-injury-a-5-year-descriptive-study-from-the-national-trauma-center-in-qatar
#12
Ayman El-Menyar, Rafael Consunji, Hassan Al-Thani, Ahammed Mekkodathil, Gaby Jabbour, Khalid A Alyafei
Background: The epidemiologic characteristics and outcomes of pediatric traumatic brain injury (pTBI) have not been adequately documented from the rapidly developing countries in the Arab Middle East. We aimed to describe the hospital-based epidemiologic characteristics, injury mechanisms, clinical presentation, and outcomes of pTBI and analyze key characteristics and determinant of pTBI that could help to make recommendations for policies to improve their care. Methods: We conducted a retrospective observational study in a level 1 trauma center (2010-2014) for all pTBI patients...
2017: World Journal of Emergency Surgery: WJES
https://www.readbyqxmd.com/read/29149877/key-bottlenecks-to-the-provision-of-safe-obstetric-anaesthesia-in-low-income-countries-a-cross-sectional-survey-of-64-hospitals-in-uganda
#13
Isabella Epiu, Agnes Wabule, Andrew Kambugu, Harriet Mayanja-Kizza, Jossy Verel Bahe Tindimwebwa, Gerald Dubowitz
BACKGROUND: Despite recent advances in surgery and anaesthesia which significantly improve safety, many health facilities in low-and middle-income countries (LMICs) remain chronically under-resourced with inability to cope effectively with serious obstetric complications (Knight et al., PLoS One 8:e63846, 2013). As a result many of these countries still have unacceptably high maternal and neonatal mortality rates. Recent data at the national referral hospitals in East Africa reported that none of the national referral hospitals met the World Federation of Societies of Anesthesiologists (WFSA) international standards required to provide safe obstetric anaesthesia (Epiu I: Challenges of Anesthesia in Low-and Middle-Income Countries...
November 17, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29149751/massive-arrival-of-desalinated-seawater-in-a-regional-urban-water-cycle-a-multi-isotope-study-b-s-o-h
#14
W Kloppmann, Ido Negev, Joseph Guttman, Orly Goren, Ittai Gavrieli, Catherine Guerrot, Christine Flehoc, Marie Pettenati, Avihu Burg
"Man-made" or unconventional freshwater, like desalinated seawater or reclaimed effluents, is increasingly introduced into regional water cycles in arid or semi-arid countries. We show that the breakthrough of reverse osmosis-derived freshwater in the largely engineered water cycle of the greater Tel Aviv region (Dan Region) has profoundly changed previous isotope fingerprints. This new component can be traced throughout the system, from the drinking water supply, through sewage, treated effluents, and artificially recharged groundwater at the largest Soil-Aquifer Treatment system in the Middle East (Shafdan) collecting all the Dan region sewage...
November 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29149474/interventions-for-old-world-cutaneous-leishmaniasis
#15
REVIEW
Julio Heras-Mosteiro, Begoña Monge-Maillo, Mariona Pinart, Patricia Lopez Pereira, Emely Garcia-Carrasco, Pedro Campuzano Cuadrado, Ana Royuela, Irene Mendez Roman, Rogelio López-Vélez
BACKGROUND: Cutaneous leishmaniasis, caused by a parasitic infection, is considered one of the most serious skin diseases in many low- and middle-income countries. Old World cutaneous leishmaniasis (OWCL) is caused by species found in Africa, Asia, the Middle East, the Mediterranean, and India. The most commonly prescribed treatments are antimonials, but other drugs have been used with varying success. As OWCL tends to heal spontaneously, it is necessary to justify the use of systemic and topical treatments...
November 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29143609/survey-of-programmatic-experiences-and-challenges-in-delivery-of-hepatitis-b-and-c-testing-in-low-and-middle-income-countries
#16
Azumi Ishizaki, Julie Bouscaillou, Niklas Luhmann, Stephanie Liu, Raissa Chua, Nick Walsh, Sarah Hess, Elena Ivanova, Teri Roberts, Philippa Easterbrook
BACKGROUND: There have been few reports on programmatic experience of viral hepatitis testing and treatment in resource-limited settings. To inform the development of the 2017 World Health Organization (WHO) viral hepatitis testing guidance and in particular the feasibility of proposed recommendations, we undertook a survey across a range of organisations engaged with hepatitis testing in low- and middle-income countries (LMICs). Our objective was to describe current hepatitis B and C testing practices across a range of settings in different countries, as well as key barriers or challenges encountered and proposed solutions to promote testing scale-up...
November 1, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29143192/middle-east-respiratory-syndrome-and-severe-acute-respiratory-syndrome-current-therapeutic-options-and-potential-targets-for-novel-therapies
#17
REVIEW
Julie Dyall, Robin Gross, Jason Kindrachuk, Reed F Johnson, Gene G Olinger, Lisa E Hensley, Matthew B Frieman, Peter B Jahrling
No specific antivirals are currently available for two emerging infectious diseases, Middle East respiratory syndrome (MERS) and severe acute respiratory syndrome (SARS). A literature search was performed covering pathogenesis, clinical features and therapeutics, clinically developed drugs for repurposing and novel drug targets. This review presents current knowledge on the epidemiology, pathogenesis and clinical features of the SARS and MERS coronaviruses. The rationale for and outcomes with treatments used for SARS and MERS is discussed...
November 15, 2017: Drugs
https://www.readbyqxmd.com/read/29142762/analysis-of-cyp1b1-gene-mutations-in-patients-with-primary-congenital-glaucoma
#18
REVIEW
Leila Chouiter, Sellama Nadifi
Primary congenital glaucoma (PCG) is the most common type of infantile glaucoma, yet it remains a relatively rare disease, because the disease is often transmitted in an autosomal recessive pattern. However, PCG occurs up to 10 times more frequently in certain ethnic and geographical groups where consanguineous relationships are common. The aim of this study was to investigate the distribution of mutations in the cytochrome P450 1B1 gene ( CYP1B1 ) in patients with PCG among different populations around the world from 2011 until May 2016...
December 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29141828/alternative-diagnoses-in-patients-referred-to-specialized-centers-for-suspected-ms
#19
B I Yamout, S J Khoury, N Ayyoubi, H Doumiati, M Fakhreddine, S F Ahmed, H Tamim, J Y Al-Hashel, R Behbehani, R Alroughani
OBJECTIVES: The aim of this study is to explore the frequency, type, and predictors of alternative diagnoses among patients referred with a recent diagnosis of multiple sclerosis (MS) to two specialized MS centers in the Middle East. METHODS: This is a retrospective review of a prospectively followed cohort of MS patients at 2 University specialized MS centers. All patients referred for MS were included. The final diagnosis was recorded and demographic, clinical, laboratory, electrophysiological and radiological variables were collected...
November 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29140770/specificity-and-genetic-diversity-of-xylose-fermenting-scheffersomyces-yeasts-associated-with-small-blue-stag-beetles-of-the-genus-platycerus-in-east-asia
#20
Masahiko Tanahashi, Jong-Kuk Kim, Kana Watanabe, Takema Fukatsu, Kôhei Kubota
Among insect-fungus relationships, xylose-fermenting Scheffersomyces yeasts are well known for their potential in utilizing wood hemicelluloses and their association with various wood-feeding insects. However, their specificity to host insects or strain-level diversity within host species has not been clearly elucidated. In the insect family Lucanidae, larvae usually feed on decaying wood, and adult females consistently possess a fungus-storage organ, called the mycangium, near the abdominal tip. Here the authors investigated host-symbiont relationships between Scheffersomyces yeast symbionts and small blue stag beetles of the genus Platycerus (Coleoptera: Lucanidae) in East Asia by using intergenic spacer (IGS) region as a genetic marker...
November 9, 2017: Mycologia
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