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https://www.readbyqxmd.com/read/28340374/ebola-virus-persistence-as-a-new-focus-in-clinical-research
#1
REVIEW
Katie Caviness, Jens H Kuhn, Gustavo Palacios
Ebola virus (EBOV) causes severe acute human disease with high lethality. Viremia is typical during the acute disease phase. However, EBOV RNA can remain detectable in immune-privileged tissues for prolonged periods of time after clearance from the blood, suggesting EBOV may persist during convalescence and thereafter. Eliminating persistent EBOV is important to ensure full recovery of survivors and decrease the risk of outbreak re-ignition caused by EBOV spread from apparently healthy survivors to naive contacts...
March 21, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28340153/establishing-a-stand-alone-laboratory-dedicated-to-the-care-of-patients-with-ebola-virus-disease
#2
Jing Cao, Christine Senn, Pedro Castaneda, Sheree Humphries, Amy B Karger
Objective: To describe the process for establishment of a stand-alone laboratory dedicated to testing for Ebola virus disease (EVD). Methods: We selected 2 neighboring rooms for the EVD unit: 1 for patient care and 1 for laboratory testing. A limited test menu was developed after consultation with the team of healthcare providers treating patients with EVD, Centers for Disease Control and Prevention (CDC) recommendations, and other sites with EVD expertise. Results: We selected several point-of-care (POC) devices and manual assays to provide necessary testing...
March 13, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/28339472/vector-status-of-aedes-species-determines-geographical-risk-of-autochthonous-zika-virus-establishment
#3
Lauren Gardner, Nan Chen, Sahotra Sarkar
BACKGROUND: The 2015-16 Zika virus pandemic originating in Latin America led to predictions of a catastrophic global spread of the disease. Since the current outbreak began in Brazil in May 2015 local transmission of Zika has been reported in over 60 countries and territories, with over 750 thousand confirmed and suspected cases. As a result of its range expansion attention has focused on possible modes of transmission, of which the arthropod vector-based disease spread cycle involving Aedes species is believed to be the most important...
March 24, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28339290/preventing-the-spread-of-infectious-diseases-antivirulents-versus-antibiotics
#4
Menachem Shoham, Michael Greenberg
No abstract text is available yet for this article.
March 24, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28334939/association-between-tau-deposition-and-antecedent-amyloid-%C3%AE-accumulation-rates-in-normal-and-early-symptomatic-individuals
#5
Duygu Tosun, Susan Landau, Paul S Aisen, Ronald C Petersen, Mark Mintun, William Jagust, Michael W Weiner
A long-term goal of our field is to determine the sequence of pathological events, which ultimately lead to cognitive decline and dementia. In this study, we first assessed the patterns of brain tau tangle accumulation (measured with the positron emission tomography tracer 18F-AV-1451) associated with well-established Alzheimer's disease factors in a cohort including cognitively healthy elderly individuals and individuals at early symptomatic stages of Alzheimer's disease. We then explored highly associated patterns of greater 18F-AV-1451 binding and increased annualized change in cortical amyloid-β plaques measured as florbetapir positron emission tomography binding antecedent to 18F-AV-1451 positron emission tomography scans, and to what extent these multimodal pattern associations explained the variance in cognitive performance and clinical outcome measures, independently and jointly...
March 17, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334588/applying-the-chronic-care-model-to-improve-care-and-outcomes-at-a-pediatric-medical-center
#6
Jennifer Lail, Pamela J Schoettker, Denise L White, Bhavna Mehta, Uma R Kotagal
BACKGROUND: Cincinnati Children's Hospital Medical Center launched the Condition Outcomes Improvement Initiative in 2012 to help disease-based teams use the principles of improvement science to implement components of the Chronic Care Model and improve outpatient care delivery for populations of children with chronic and complex conditions. The goal was to improve outcomes by 20% from baseline. METHODS: Initiative activities included review of the evidence to choose and measure outcomes, development of condition-specific patient registries and tools for data collection, patient stratification, planning and coordinating care before and after visits, and self-management support...
March 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28334303/characterization-of-direct-current-electrical-penetration-graph-waveforms-and-correlation-with-the-probing-behavior-of-matsumuratettix-hiroglyphicus-hemiptera-cicadellidae-the-insect-vector-of-sugarcane-white-leaf-phytoplasma
#7
J Roddee, Y Kobori, H Yorozuya, Y Hanboonsong
The leafhopper Matsumuratettix hiroglyphicus (Matsumura) (Hemiptera: Cicadellidae) is an important vector of phytoplasma causing white leaf disease in sugarcane. Thus, the aim of our study was to understand and describe the stylet-probing activities of this vector while feeding on sugarcane plants, by using direct current (DC) electrical penetration graph (EPG) monitoring. The EPG signals were classified into six distinct waveforms, according to amplitude, frequency, voltage level, and electrical origin of the observed traces during stylet penetration into the host plant tissues (probing)...
March 16, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334041/virus-mediated-suppression-of-host-non-self-recognition-facilitates-horizontal-transmission-of-heterologous-viruses
#8
Songsong Wu, Jiasen Cheng, Yanping Fu, Tao Chen, Daohong Jiang, Said A Ghabrial, Jiatao Xie
Non-self recognition is a common phenomenon among organisms; it often leads to innate immunity to prevent the invasion of parasites and maintain the genetic polymorphism of organisms. Fungal vegetative incompatibility is a type of non-self recognition which often induces programmed cell death (PCD) and restricts the spread of molecular parasites. It is not clearly known whether virus infection could attenuate non-self recognition among host individuals to facilitate its spread. Here, we report that a hypovirulence-associated mycoreovirus, named Sclerotinia sclerotiorum mycoreovirus 4 (SsMYRV4), could suppress host non-self recognition and facilitate horizontal transmission of heterologous viruses...
March 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28333929/the-rise-and-fall-of-rabies-in-japan-a-quantitative-history-of-rabies-epidemics-in-osaka-prefecture-1914-1933
#9
Aiko Kurosawa, Kageaki Tojinbara, Hazumu Kadowaki, Katie Hampson, Akio Yamada, Kohei Makita
Japan has been free from rabies since the 1950s. However, during the early 1900s several large-scale epidemics spread throughout the country. Here we investigate the dynamics of these epidemics between 1914 and 1933 in Osaka Prefecture, using archival data including newspapers. The association between dog rabies cases and human population density was investigated using Mixed-effects models and epidemiological parameters such as the basic reproduction number (R0), the incubation and infectious period and the serial interval were estimated...
March 23, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28333779/impact-of-chronic-suppurative-otitis-media-in-pediatric-cochlear-implant-recipients-insight-into-the-challenges-from-a-tertiary-referral-center-in-uk
#10
Paramita Baruah, Kate Hanvey, Richard Irving, Konstance Tzifa
OBJECTIVE: Analyze the presentation and evolution of chronic suppurative otitis media (CSOM) in children with cochlear implants (CI) and explore the merit of early intervention. STUDY DESIGN: Retrospective patient review. SETTING: Tertiary referral hospital and cochlear implant programme. PATIENTS: Children with a CI who developed CSOM. INTERVENTION: Tympanoplasty. MAIN OUTCOME MEASURES: Disease control, recurrence of cholesteatoma, cochlear implant preservation...
March 22, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28333229/escherichia-coli-cattle-and-the-propagation-of-disease
#11
Richard A Stein, David E Katz
Several early models describing host-pathogen interaction have assumed that each individual host has approximately the same likelihood of becoming infected or of infecting others. More recently, a concept that has been increasingly emphasized in many studies is that for many infectious diseases, transmission is not homogeneous but highly skewed at the level of populations. In what became known as the "20/80 rule", about 20% of the hosts in a population were found to contribute to about 80% of the transmission potential...
March 1, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28332653/review-of-the-foot-and-mouth-disease-situation-in-north-africa-and-the-risk-of-introducing-the-disease-into-europe
#12
R Bouguedour, A Ripani
Foot and mouth disease (FMD) is a highly contagious disease of cloven-hoofed animals, including cattle, pigs, sheep, goats, and certain wildlife species. The disease can cause massive economic losses when introduced into countries that were free from the infection, generating negative effects due to reduced animal productivity and restrictions on international livestock trade. Following 15 years of FMD absence, Tunisia and Algeria experienced an incursion of the disease in 2014. The epidemiological situation and disease control measures in operation for FMD in the North African region are not homogeneous...
December 2016: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28332306/impact-of-iatrogenic-iron-overload-on-the-course-of-hepatitis-c-in-dialysis-population-a-plea-for-caution
#13
Guy Rostoker, Nosratola D Vaziri
About 2.5% of the world population, corresponding to about 177 million individuals, are infected by hepatitis C virus (HCV), a small, single-stranded RNA virus. The prevalence of HCV infection among dialysis patients in Japan, Europe, and North America during the 2012 to 2015 period was found to be 8.7% in the DOPPS study. Nosocomial HCV spread in hemodialysis facilities still occurs. Increased hepatic tissue iron has been shown to play a deleterious role in the course of hepatitis C, favor development of fibrosis and cirrhosis and possibly increase the risk of liver cancer in the general population...
March 23, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28331738/sentinel-node-biopsy-in-special-histologic-types-of-invasive-breast-cancer
#14
Montserrat Solà, Mireia Recaj, Eva Castellà, Pere Puig, Josep Maria Gubern, Juan Francisco Julian, Manel Fraile
OBJECTIVE: To assess the feasibility of sentinel node biopsy (SNB) in ductal and lobular invasive breast cancer, a group of tumors known as special histologic type (SHT) of breast cancer. MATERIALS AND METHODS: Between January 1997 and July 2008, 2253 patients from 6 affiliated hospitals underwent SNB who had early breast cancer and clinically negative axilla. The patients' data were collected in a multicenter database. For lymphatic mapping, all patients received an intralesional dose of radiocolloid Tc-99m (4mCi in 0...
April 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28331089/diversity-distribution-and-evolution-of-tomato-viruses-in-china-uncovered-by-small-rna-sequencing
#15
Chenxi Xu, Xuepeng Sun, Angela Taylor, Chen Jiao, Yimin Xu, Xiaofeng Cai, Xiaoli Wang, Chenhui Ge, Guanghui Pan, Quanxi Wang, Zhangjun Fei, Quanhua Wang
Tomato is a major vegetable crop that has tremendous popularity. However, viral disease is still a major factor limiting tomato production. Here we report the tomato virome identified through sequencing small RNAs of 170 field-grown samples collected in China. A total of 22 viruses were identified including both well-documented and newly detected viruses. The tomato viral community is dominated by a few species, and they exhibit polymorphisms and recombination in the genomes with coldspots and hotspots. Most samples were co-infected by multiple viruses and the majority of identified viruses are positive-sense single-stranded RNA viruses...
March 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28331086/nectin-4-interactions-govern-measles-virus-virulence-in-a-new-model-of-pathogenesis-squirrel-monkeys-simia-sciureus
#16
Sébastien Delpeut, Bevan Sawatsky, Xiao-Xiang Wong, Marie Frenzke, Roberto Cattaneo, Veronika von Messling
In addition to humans, only certain non-human primates are naturally susceptible to measles virus (MeV) infection. Disease severity is species-dependent, ranging from mild to moderate for macaques to severe and even lethal for certain New World monkey species. To investigate if squirrel monkeys (Simia sciureus), which are reported to develop a course of disease similar to humans, may be better suited than macaques for the identification of virulence determinants or the evaluation of therapeutics, we infected them with a green fluorescent protein-expressing MeV...
March 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28330900/adaptive-immune-responses-to-zika-virus-are-important-for-controlling-virus-infection-and-preventing-infection-in-brain-and-testes
#17
Clayton W Winkler, Lara M Myers, Tyson A Woods, Ronald J Messer, Aaron B Carmody, Kristin L McNally, Dana P Scott, Kim J Hasenkrug, Sonja M Best, Karin E Peterson
The recent association between Zika virus (ZIKV) and neurologic complications, including Guillain-Barré syndrome in adults and CNS abnormalities in fetuses, highlights the importance in understanding the immunological mechanisms controlling this emerging infection. Studies have indicated that ZIKV evades the human type I IFN response, suggesting a role for the adaptive immune response in resolving infection. However, the inability of ZIKV to antagonize the mouse IFN response renders the virus highly susceptible to circulating IFN in murine models...
March 22, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28330551/-thalassaemia-and-pregnancy
#18
Viktoriya Luk'yanenko, Marjoes Droogh, Ulrik Malthe Overgaard
Global migration has resulted in a larger geographical spread of people with risk of hereditary anaemias. This leads to an increased incidence of pregnant women with rare diseases, including thalassaemia also in Scandinavia. Thalassaemia can cause severe anaemia and other complications during pregnancy, like risk of miscarriage, intrauterine fetal death, abruptio, intrauterine growth retardation, hypertension, gestational diabetes and pre-eclampsia. In this article, we focus on the aetiology, assessment, antenatal care and treatment of pregnant women with thalassaemia...
March 20, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28330178/emergence-of-mixed-infection-of-beijing-non-beijing-strains-among-multi-drug-resistant-mycobacterium-tuberculosis-in-pakistan
#19
Samar Mustafa, Hasnain Javed, Jawairia Hashmi, Nazia Jamil, Zarfishan Tahir, Abdul Majeed Akhtar
Tuberculosis (TB) remains as one of the deadliest diseases after HIV globally with 95 % of deaths confined to low-and-middle income countries. Pakistan is fifth among the 22 high-burden TB countries with the incidence rate of 230/100,000 persons, however, studies related to prevalent Mycobacterium tuberculosis strains and their spread, drug resistance pattern and evolutionary genetics are inadequate. The present study was undertaken to highlight the circulation of M. tuberculosis strains causing drug resistant TB in our community by targeting the molecular marker IS6110 and then characterization of these strains as Beijing and Non-Beijing genotypes...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330095/potential-mosquito-repellent-compounds-of-ocimum-species-against-3n7h-and-3q8i-of-anopheles-gambiae
#20
Venugopal Gaddaguti, Talluri Venkateswara Rao, Allu Prasada Rao
Mosquitoes are exceptionally efficient in detecting their hosts for blood meal using odorant binding proteins, viz. 3N7H and 3Q8I and spread several dreadful diseases. DEET is a synthetic mosquito repellent widely used all over world for protection against mosquito bite. Reports reveal that, synthetic mosquito repellents may pose health problems in considerably large population. In view of the above fact, we made an attempt to discover efficient and novel natural mosquito repellent compounds with least impact on human health...
June 2016: 3 Biotech
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