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https://www.readbyqxmd.com/read/28335562/virus-bacteria-interactions-an-emerging-topic-in-human-infection
#1
REVIEW
Erin A Almand, Matthew D Moore, Lee-Ann Jaykus
Bacteria and viruses often occupy the same niches, however, interest in their potential collaboration in promoting wellness or disease states has only recently gained traction. While the interaction of some bacteria and viruses is well characterized (e.g., influenza virus), researchers are typically more interested in the location of the infection than the manner of cooperation. There are two overarching types of bacterial-virus disease causing interactions: direct interactions that in some way aid the viruses, and indirect interactions aiding bacteria...
March 21, 2017: Viruses
https://www.readbyqxmd.com/read/28335198/gold-nanoparticles-an-efficient-antimicrobial-agent-against-enteric-bacterial-human-pathogen
#2
Shahzadi Shamaila, Noshin Zafar, Saira Riaz, Rehana Sharif, Jawad Nazir, Shahzad Naseem
Enteric bacterial human pathogens, i.e., Escherichia coli, Staphylococcus aureus, Bacillus subtilis and Klebsiella pneumoniae, are the major cause of diarrheal infections in children and adults. Their structure badly affects the human immune system. It is important to explore new antibacterial agents instead of antibiotics for treatment. This project is an attempt to explain how gold nanoparticles affect these bacteria. We investigated the important role of the mean particle size, and the inhibition of a bacterium is dose-dependent...
April 14, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335097/effects-of-dietary-forage-to-concentrate-ratio-on-nutrient-digestibility-and-enteric-methane-production-in-growing-goats-capra-hircus-hircus-and-sika-deer-cervus-nippon-hortulorum
#3
Youngjun Na, Dong Hua Li, Sang Rak Lee
Two experiments were conducted to determine the effects of forage-to-concentrate (F:C) ratio on the nutrient digestibility and enteric methane (CH4) emission in growing goats and Sika deer. Three male growing goats (BW = 19.0 ± 0.7 kg) and three male growing deer (BW = 19.3 ± 1.2 kg) were respectively allotted to a 3 × 3 Latin square design with an adaptation period of 7 d and a data collection period of 3 d. Respiration-metabolism chambers were used for measuring the enteric CH4 emission. Treatments of low (25:75), moderate (50:50), and high (73:27) F:C ratios were given to both goats and Sika deer...
March 21, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28335096/estimation-of-methane-emissions-from-local-and-crossbreed-beef-cattle-in-dak-lak-province-of-vietnam
#4
Carlos Alberto Ramírez-Restrepo, Dung Van Tien, Ngoan Le Duc, Mario Herrero, Phung Le Dinh, Dung Dinh Van, Sen Le Thi Hoa, Cuong Vu Chi, Cesar Solano-Patiño, Amy M Lerner, Timothy D Searchinger
Objective: This study was aimed at evaluating effects of cattle breed resources and alternative mixed-feeding practices on meat productivity and emission intensities from household farming systems in Daklak Province, Vietnam. Methods: Records from Local Yellow x Red Sindhi (Bos indicus; Lai Sind) and ½ Limousin, ½ Drought Master and ½ Red Angus cattle during the growth (0 to 21 months) and fattening (22 to 25 months) periods were used to better understand variations on meat productivity and enteric methane emissions...
March 21, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28335090/in-ovo-vaccination-using-eimeria-profilin-and-clostridium-perfringens-netb-proteins-in-montanide-ims-adjuvant-increases-protective-immunity-against-experimentally-induced-necrotic-enteritis
#5
Hyun Soon Lillehoj, Seung Ik Jang, Alfredo Panebra, Erik Peter Lillehoj, Laurent Dupuis, Juliette B Arous, Seung Kyoo Lee, Sung Taek Oh
Objective: The effects of vaccinating 18-day-old chicken embryos with the combination of recombinant Eimeria profilin plus Clostridium perfringens NetB proteins mixed in the Montanide IMS adjuvant on the chicken immune response to necrotic enteritis (NE) were investigated using an E. maxima/C. perfringens co-infection NE disease model that we previously developed. Methods: Eighteen-day-old broiler embryos were injected with 100 μl of PBS, profilin, profilin plus NetB, profilin plus NetB/Montanide adjuvant (IMS 106), and profilin plus Net-B/Montanide adjuvant (IMS 101)...
March 21, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28334994/rural-retention-of-new-medical-graduates-from-the-collaborative-project-to-increase-production-of-rural-doctors-cpird-a-12-year-retrospective-study
#6
Win Techakehakij, Rajin Arora
Physician scarcity in rural areas is a major obstacle to healthcare access, leading to health inequity worldwide. In Thailand, a special recruitment program of medical education [Collaborative Project to Increase Production of Rural Doctors (CPIRD)] was initiated with four different medical training tracks. No previous research has examined the rural retention of new medical graduates across the CPIRD tracks, compared with those receiving conventional medical education (Normal track). This study examines the public retention of rural physicians from different tracks of entry...
March 16, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28334846/dapl1-a-susceptibility-locus-for-age-related-macular-degeneration-acts-as-a-novel-suppressor-of-cell-proliferation-in-the-retinal-pigment-epithelium
#7
Xiaoyin Ma, Huirong Li, Yipin Wang, Jing Wang, Qinxiang Zheng, Jiajia Hua, Juan Yang, Li Pan, Fan Lu, Jia Qu, Ling Hou
The retinal pigment epithelium (RPE) forms a monolayer at the back of the vertebrate eye and is fundamental to retinal function and homoeostasis. During early development, RPE cells undergo rapid proliferation, but in the adult, they remain normally nonproliferative throughout life. Nevertheless, under pathological conditions such as in proliferative vitreoretinopathy or after retinal ablation, mature RPE cells can re-enter the cell cycle and form nodules or multiple cell layers. Here we show that Dapl1, whose human homolog represents a susceptibility locus for age-related macular degeneration (AMD), is highly up-regulated in quiescent but not proliferating RPE cells and that experimental overexpression of DAPL1 in proliferating RPE cells inhibits their proliferation...
February 22, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28334784/testing-the-ret-and-sema3d-genetic-interaction-in-mouse-enteric-nervous-system-development
#8
Ashish Kapoor, Dallas R Auer, Dongwon Lee, Sumantra Chatterjee, Aravinda Chakravarti
For most multigenic disorders, clinical manifestation (penetrance) and presentation (expressivity) are likely to be an outcome of genetic interaction between multiple susceptibility genes. Here, using gene knockouts in mice we evaluated genetic interaction between loss of Ret and loss of Sema3d, two Hirschsprung disease susceptibility genes. We intercrossed Ret and Sema3d double null heterozygotes to generate mice with the nine possible genotypes and assessed survival by counting various genotypes, myenteric plexus presence by acetylcholinesterase staining and embryonic day 12...
March 7, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28334699/robust-cell-tracking-in-epithelial-tissues-through-identification-of-maximum-common-subgraphs
#9
Jochen Kursawe, Rémi Bardenet, Jeremiah J Zartman, Ruth E Baker, Alexander G Fletcher
Tracking of cells in live-imaging microscopy videos of epithelial sheets is a powerful tool for investigating fundamental processes in embryonic development. Characterizing cell growth, proliferation, intercalation and apoptosis in epithelia helps us to understand how morphogenetic processes such as tissue invagination and extension are locally regulated and controlled. Accurate cell tracking requires correctly resolving cells entering or leaving the field of view between frames, cell neighbour exchanges, cell removals and cell divisions...
November 2016: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28334588/applying-the-chronic-care-model-to-improve-care-and-outcomes-at-a-pediatric-medical-center
#10
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/28334537/multivalency-effect-of-tat-peptide-functionalized-nanoparticle-in-cellular-endocytosis-and-subcellular-trafficking
#11
Nikhil R Jana, Chumki Dalal
Although trans-activating transcription (TAT)-peptide functionalized nanoparticle/polymer/liposome is widely used for cellular transfection applications, the multivalency (number of attached peptide per particle) effect on cell uptake mechanism and subcellular targeting performance is largely unexplored. Here we show that multivalency of nanoparticle controls the cellular interaction, cellular entry/exit mechanism and subcellular targeting performance. We have synthesized TAT peptide functionalized quantum dot (QD) of 30-35 nm hydrodynamic diameter with varied multivalency from 10 to 75 (e...
March 23, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28334434/withdrawn-nutrition-support-for-bone-marrow-transplant-patients
#12
REVIEW
Susan M Murray, Sima Pindoria
BACKGROUND: This is an update of the original Cochrane review published in Issue 2, 2002. Bone marrow transplantation involves administration of toxic chemotherapy and infusion of marrow cells. After treatment, patients can develop poor appetite, mucositis and gastrointestinal failure, leading to malnutrition. To prevent this, parenteral nutrition (PN) support is often first choice but is associated with increased risk of infection. Enteral nutrition (EN) is an alternative, as is addition of substrates...
March 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28334380/the-influence-of-sogatella-furcifera-hemiptera-delphacidae-migratory-events-on-the-southern-rice-black-streaked-dwarf-virus-epidemics
#13
Yan Wu, Guo Zhang, Xiao Chen, Xi-Jie Li, Kai Xiong, Shu-Pei Cao, Yan-Yue Hu, Ming-Hong Lu, Wan-Cai Liu, Hoang-Anh Tuan, Guo-Jun Qi, Bao-Ping Zhai
Southern rice black-streaked dwarf virus (SRBSDV) caused serious rice losses. After the first outbreak in 2009 in northern Vietnam and southern China, the virus ravaged crops again on enormous scales in 2010, but infections have decreased sharply since 2011. We presumed that the sudden epidemics and fadeout of SRBSDV would be closely related to the migratory events of the insect vector, Sogatella furcifera. This study sought the source area of SRBSDV using the trajectory analysis method, and revealed the relationship between SRBSDV dynamics and migration of S...
March 2, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334279/population-growth-of-varroa-destructor-acari-varroidae-in-colonies-of-russian-and-unselected-honey-bee-hymenoptera-apidae-stocks-as-related-to-numbers-of-foragers-with-mites
#14
Gloria DeGrandi-Hoffman, Fabiana Ahumada, Robert Danka, Mona Chambers, Emily Watkins DeJong, Geoff Hidalgo
Varroa (Varroa destructor Anderson and Trueman) is an external parasite of honey bees (Apis mellifera L.) and a leading cause of colony losses worldwide. Varroa populations can be controlled with miticides, but mite-resistant stocks such as the Russian honey bee (RHB) also are available. Russian honey bee and other mite-resistant stocks limit Varroa population growth by affecting factors that contribute to mite reproduction. However, mite population growth is not entirely due to reproduction. Numbers of foragers with mites (FWM) entering and leaving hives also affect the growth of mite populations...
March 20, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334198/molecular-mechanisms-involved-in-the-interaction-of-neisseria-meningitidis-with-cells-of-the-human-blood-cerebrospinal-fluid-barrier
#15
Alexandra Schubert-Unkmeir
Neisseria meningitidis is one of the most common aetiological agents of bacterial meningitis, affecting predominantly children and young adults. The interaction of N. meningitidis with human endothelial cells lining blood vessels of the blood-cerebrospinal-fluid barrier (B-CSFB) is critical for meningitis development. In recent decades, there has been a significant increase in understanding of the molecular mechanisms involved in the interaction of N. meningitidis with brain vascular cells. In this review, we will describe how N...
March 3, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28334170/multiple-types-of-memory-and-everyday-functional-assessment-in-older-adults
#16
Jenna Beaver, Maureen Schmitter-Edgecombe
Objective: Current proxy measures for assessing everyday functioning (e.g., questionnaires, performance-based measures, and direct observation) show discrepancies in their rating of functional status. The present study investigated the relationship between multiple proxy measures of functional status and content memory (i.e., memory for information), temporal order memory, and prospective memory in an older adult sample. Method: A total of 197 community-dwelling older adults who did (n = 45) or did not meet (n = 152) criteria for mild cognitive impairment (MCI), completed six different assessments of functional status (two questionnaires, two performance-based tasks, and two direct observation tasks) as well as experimental measures of content memory, prospective memory, and temporal order memory...
February 23, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28334160/aqua-duct-a-ligands-tracking-tool
#17
Tomasz Magdziarz, Karolina Mitusinska, Sandra Goldowska, Alicja Pluciennik, Michal Stolarczyk, Magdalena Lugowska, Artur Góra
Motivation: The identification and tracking of molecules which enter active site cavity requires screening the positions of thousands of single molecules along several thousand molecular dynamic steps. To fill the existing gap between tools searching for tunnels and pathways and advanced tools employed for accelerated water flux investigations, we have developed AQUA-DUCT. Results: AQUA-DUCT is an easy-to-use tool that facilitates analysis of the behaviour of molecules that penetrate any selected region in a protein...
March 2, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28334137/geographic-variation-of-diapause-induction-rates-in-trichogramma-drendrolimi-hymenoptera-trichogrammatidae-in-china
#18
Jun-Jie Zhang, Nicolas Desneux, Giovanni Benelli, Lian-Sheng Zang, Wen-Mei Du, Chang-Chun Ruan
Diapause variation is a key factor affecting the development and success of parasitoids employed as biological control agents. Trichogramma dendrolimi Matsumura is mass-reared for biocontrol purposes in several countries around the world. Here we investigated the rate of diapause induction in three populations of T. dendrolimi from different regions in China: Heilongjiang (44° 55' N, 128° 26' E; HLJ), Liaoning (40° 18' N, 123° 22' E; LN), and Jiangsu province (32° 30' N, 120° 09' E; JS). We measured the rates of diapause induction for populations from each region when exposed to temperatures of 8, 10, 12, and 14 °C, for periods ranging from 5 to 35 d...
February 19, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334103/neuronal-and-peripheral-pentraxins-modify-glutamate-release-and-may-interact-in-blood-brain-barrier-failure
#19
Damian M Cummings, Tiffanie A Benway, Hinze Ho, Angelo Tedoldi, Monica M Fernandes Freitas, Lion Shahab, Christina E Murray, Angela Richard-Loendt, Sebastian Brandner, Tammaryn Lashley, Dervis A Salih, Frances A Edwards
Neuronal pentraxin 1 (NPTX1) has been implicated in Alzheimer's disease, being present in and around dystrophic neurons in plaques, affecting glutamatergic transmission postsynaptically and mediating effects of amyloidβ. Here, we confirm the presence of NPTX1 around plaques in postmortem Alzheimer's disease brain and report that acutely applied human NPTX1 increases paired-pulse ratio at mouse CA3-CA1 hippocampal synapses, indicating a decrease in glutamate release. In contrast, chronic exposure to NPTX1, NPTX2, or NPTX receptor decreases paired-pulse ratio, mimicking some of the earliest changes in mice expressing familial Alzheimer's disease genes...
February 23, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28333994/chronic-environmental-stress-enhances-tolerance-to-seasonal-gradual-warming-in-marine-mussels
#20
Ionan Marigómez, Maria Múgica, Urtzi Izagirre, Inna M Sokolova
In global climate change scenarios, seawater warming acts in concert with multiple stress sources, which may enhance the susceptibility of marine biota to thermal stress. Here, the responsiveness to seasonal gradual warming was investigated in temperate mussels from a chronically stressed population in comparison with a healthy one. Stressed and healthy mussels were subjected to gradual temperature elevation for 8 days (1°C per day; fall: 16-24°C, winter: 12-20°C, summer: 20-28°C) and kept at elevated temperature for 3 weeks...
2017: PloS One
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