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https://www.readbyqxmd.com/read/28724250/reuse-water-exposure-duration-seasonality-and-treatment-affect-tissue-responses-in-a-model-fish
#1
B J Blunt, A Singh, L Wu, M Gamal El-Din, M Belosevic, K B Tierney
Partially remediated gray (reuse) water will likely find increasing use in a variety of applications owing to the increasing scarcity of freshwater. We aimed to determine if a model fish, the goldfish, could sense reuse water using olfaction (smell), and if 30min or 7d (acute) and 60d (sub-chronic) exposures would affect their olfactory responses to natural odorants. We examined olfaction as previous studies have found that numerous chemicals can impair the olfactory sense, which is critical to carrying out numerous life-sustaining behaviors from feeding to mating...
July 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28724247/persistent-organic-pollutants-and-risk-of-diabetes-and-obesity-on-healthy-adults-results-from-a-cross-sectional-study-in-spain
#2
Luis Alberto Henríquez-Hernández, Octavio P Luzardo, Pilar F Valerón, Manuel Zumbado, Lluis Serra-Majem, María Camacho, Ana González-Antuña, Luis D Boada
Environmental exposure to persistent organic pollutants (POPs) has been reported to be relevant in the population of the Canary Islands (Spain), especially that of organochlorine pesticides. On the other hand, the population of this archipelago presents a high prevalence of type 2 diabetes (T2D), and it has been recently reported that environmental chemical contamination could play a role in the development of this disease. We performed a cross-sectional study in a representative sample from this archipelago to evaluate whether serum levels of selected POPs could be considered as risk factors for diabetes in this population...
July 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28724054/effects-of-a-structured-education-program-on-glycemic-control-in-type-1-diabetes
#3
Ana Paula F Pacheco, Simone van de Sande-Lee, Rita de Cássia B Sandoval, Sônia Batista, Jefferson L B Marques
Objective: Diabetes mellitus is associated with significant morbidity and mortality, and education is known to play a key role in managing this disease. This study addresses the effects of a structured education program (SEP) on self-care in subjects with type 1 diabetes mellitus (T1DM). The aim was to evaluate the effect of a SEP on glycemic control, knowledge, and skills associated with diabetes care in subjects with T1DM. Subjects and methods: A total of 47 adults with T1DM were followed up for 20 months (32 participated in the SEP and 15 served as a control group)...
July 13, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28724043/compulsory-notification-at-skilled-nursing-facilities
#4
Milton Luiz Gorzoni, Márcia Regina Valadares Aguado, Sueli Luciano Pires, Lilian de Fátima Costa Faria
Introduction: Notifiable diseases (NDs) encompass conditions of high clinical severity and/or contagious. Being closed communities, long-term care facilities (LTCF) are places that deserve attention on their own, but one might be left wondering: what is the reality of NDs at Brazilian LTCFs? Objective: To determine the prevalence and type of NDs at large LTCF. Method: Active search for NDs conducted by the Hospital Infection Control Committee (HICC) in 459 beds...
May 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28723951/cd8-t-cells-provide-immune-protection-against-murine-disseminated-endotheliotropic-orientia-tsutsugamushi-infection
#5
Guang Xu, Nicole L Mendell, Yuejin Liang, Thomas R Shelite, Yenny Goez-Rivillas, Lynn Soong, Donald H Bouyer, David H Walker
Scrub typhus, caused by a Gram-negative obligately intracellular coccobacillus, Orientia tsutsugamushi, is a long neglected but important tropical disease. Orientia tsutsugamushi causes illness in one million people each year, and 1 billion people are at risk. Without appropriate diagnosis and treatment, the disease can cause severe multiorgan failure with a case fatality rate of 7-15%. The current gaps in knowledge of immunity include the unknown mechanisms of host immunity to O. tsutsugamushi. Using an intravenous (i...
July 19, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28723944/application-of-mass-spectrometry-to-elucidate-the-pathophysiology-of-encephalitozoon-cuniculi-infection-in-rabbits
#6
Guillaume Desoubeaux, Maria Del Carmen Piqueras, Ana Pantin, Sanjoy K Bhattacharya, Roman Peschke, Anja Joachim, Carolyn Cray
Encephalitozoon cuniculi is a microsporidian species which can induce subclinical to serious disease in mammals including rabbits, a definitive natural host. The pathophysiology of infection has not been comprehensively elucidated. In this exploratory study, we utilized two mass spectrometry approaches: first, the analysis of the humoral response by profiling the microsporidian antigens as revealed by Western blot screening, and second, implementing the iTRAQ®-labeling protocol to focus on the changes within the host proteome during infection...
2017: PloS One
https://www.readbyqxmd.com/read/28723941/heat-treatment-as-a-universal-technical-solution-for-silcrete-use-a-comparison-between-silcrete-from-the-western-cape-south-africa-and-the-kalahari-botswana
#7
Patrick Schmidt, David J Nash, Sheila Coulson, Matthias B Göden, Graeme J Awcock
Heat treatment was one of the first transformative technologies in the southern African Middle Stone Age (MSA), with many studies in the Cape coastal zone of South Africa identifying it as an essential step in the preparation of silcrete prior to its use in stone tool manufacture. To date, however, no studies have investigated whether heat treatment is necessary for all silcrete types, and how geographically widespread heat treatment was in the subcontinent. The aim of this study is to investigate experimentally whether heat treatment continued further north into the Kalahari Desert of Botswana and northernmost South Africa, the closest area with major silcrete outcrops to the Cape...
2017: PloS One
https://www.readbyqxmd.com/read/28723928/erbb-activation-signatures-as-potential-biomarkers-for-anti-erbb3-treatment-in-hnscc
#8
Diego Alvarado, Gwenda F Ligon, Jay S Lillquist, Scott B Seibel, Gerald Wallweber, Veronique M Neumeister, David L Rimm, Gerald McMahon, Theresa M LaVallee
Head and neck squamous cell carcinoma (HNSCC) accounts for 3-5% of all tumor types and remains an unmet medical need with only two targeted therapies approved to date. ErbB3 (HER3), the kinase-impaired member of the EGFR/ErbB family, has been implicated as a disease driver in a number of solid tumors, including a subset of HNSCC. Here we show that the molecular components required for ErbB3 activation, including its ligand neuregulin-1 (NRG1), are highly prevalent in HNSCC and that HER2, but not EGFR, is the major activating ErbB3 kinase partner...
2017: PloS One
https://www.readbyqxmd.com/read/28723828/social-disparities-in-early-intervention-service-use-and-provider-reported-outcomes
#9
Mary A Khetani, Zachary Richardson, Beth M McManus
OBJECTIVE: To describe social disparities in early intervention (EI) service use and provider-reported outcomes. METHODS: Secondary data analysis of administrative data to ascertain EI service use of all EI and discipline-specific services and child and family characteristics. Adjusted logistic regression models estimated the odds of receiving each type of core EI service. Adjusted median regression models estimated differences in EI intensity for each type of core EI service...
July 17, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28723717/localized-muscle-vibration-reverses-quadriceps-muscle-hypotrophy-and-improves-physical-function-a-clinical-and-electrophysiological-study
#10
Maria Grazia Benedetti, Gennaro Boccia, Lorenzo Cavazzuti, Elena Magnani, Elisabetta Mariani, Alberto Rainoldi, Roberto Casale
Quadriceps weakness has been associated with knee osteoarthritis (OA). High-frequency localized muscle vibration (LMV) has been proposed recently for quadriceps strengthening in patients with knee OA. The purpose of this study was (a) to investigate the clinical effectiveness of high-frequency LMV on quadriceps muscle in patients with knee OA and (b) to disentangle, by means of surface electromyography (sEMG), the underlying mechanism. Thirty patients, aged between 40 and 65 years, and clinically diagnosed with knee OA were included in this randomized, controlled, single-blinded pilot study...
July 18, 2017: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/28723659/data-driven-analysis-of-immune-infiltrate-in-a-large-cohort-of-breast-cancer-and-its-association-with-disease-progression-er-activity-and-genomic-complexity
#11
Ruth Dannenfelser, Marianne Nome, Andliena Tahiri, Josie Ursini-Siegel, Hans Kristian Moen Vollan, Vilde D Haakensen, Åslaug Helland, Bjørn Naume, Carlos Caldas, Anne-Lise Børresen-Dale, Vessela N Kristensen, Olga G Troyanskaya
The tumor microenvironment is now widely recognized for its role in tumor progression, treatment response, and clinical outcome. The intratumoral immunological landscape, in particular, has been shown to exert both pro-tumorigenic and anti-tumorigenic effects. Identifying immunologically active or silent tumors may be an important indication for administration of therapy, and detecting early infiltration patterns may uncover factors that contribute to early risk. Thus far, direct detailed studies of the cell composition of tumor infiltration have been limited; with some studies giving approximate quantifications using immunohistochemistry and other small studies obtaining detailed measurements by isolating cells from excised tumors and sorting them using flow cytometry...
July 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28723628/ese-1-elf3-mrna-expression-associates-with-poor-survival-outcomes-in-her2-breast-cancer-patients-and-is-critical-for-tumorigenesis-in-her2-breast-cancer-cells
#12
Adwitiya Kar, Arthur Gutierrez-Hartmann
ESE-1/Elf3 and HER2 appear to establish a positive feedback regulatory loop, but the precise role of ESE-1 in HER2+ breast tumorigenesis remains unknown. Analyzing public repositories, we found that luminal B and HER2 subtype patients with high ESE-1 mRNA levels displayed worse relapse free survival. We stably knocked down ESE-1 in HER2+ luminal B BT474 cells and HER2 subtype SKBR3 cells, which resulted in decreased cell proliferation, colony formation, and anchorage-independent growth in vitro. Stable ESE-1 knockdown inhibited HER2-dependent signaling in BT474 cells and inhibited mTOR activation in SKBR3 cells, but reduced Akt signaling in both cell types...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28723414/omega-3-polyunsaturated-fatty-acids-as-a-treatment-strategy-for-nonalcoholic-fatty-liver-disease
#13
REVIEW
Donald B Jump, Kelli A Lytle, Christopher M Depner, Sasmita Tripathy
Obese and type 2 diabetic (T2DM) patients have a high prevalence of nonalcoholic fatty liver disease (NAFLD). NAFLD is a continuum of chronic liver diseases ranging from benign hepatosteatosis to nonalcoholic steatohepatitis (NASH), cirrhosis and primary hepatocellular cancer (HCC). Because of its strong association with the obesity epidemic, NAFLD is rapidly becoming a major public health concern worldwide. Surprisingly, there are no FDA approved NAFLD therapies; and current therapies focus on the co-morbidities associated with NAFLD, namely, obesity, hyperglycemia, dyslipidemia, and hypertension...
July 16, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28723281/imaging-correlates-of-adult-glioma-genotypes
#14
Marion Smits, Martin J van den Bent
Primary brain tumors, most commonly gliomas, are histopathologically typed and graded as World Health Organization (WHO) grades I-IV according to increasing degrees of malignancy. These grades provide prognostic information and guidance on treatment such as radiation therapy and chemotherapy after surgery. Despite the confirmed value of the WHO grading system, results of a multitude of studies and prospective interventional trials now indicate that tumors with identical morphologic criteria can have highly different outcomes...
August 2017: Radiology
https://www.readbyqxmd.com/read/28723242/interspecific-and-intraspecific-hybrid-epichlo%C3%A3-species-symbiotic-with-the-north-american-native-grass-poa-alsodes
#15
Tatsiana Shymanovich, Nikki D Charlton, Ashleigh M Musso, Jonathan Scheerer, Nadja B Cech, Stanley H Faeth, Carolyn A Young
The endophyte presence and diversity in natural populations of Poa alsodes were evaluated along a latitudinal transect from the southern distribution range in North Carolina to New York. Two distinct Epichloë hybrid taxa were identified from 23 populations. Each taxon could easily be distinguished by polymerase chain reaction (PCR) genotyping with primers designed to mating type genes and alkaloid biosynthesis genes that encode key pathway steps for ergot alkaloids, indole-diterpenes, lolines, and peramine...
June 26, 2017: Mycologia
https://www.readbyqxmd.com/read/28722830/ralfuranones-contribute-to-mushroom-type-biofilm-formation-by-ralstonia-solanacearum-strain-oe1-1
#16
Yuka Mori, Yuki Hosoi, Shiho Ishikawa, Kazusa Hayashi, Yu Asai, Hideyuki Ohnishi, Mika Shimatani, Kanako Inoue, Kenichi Ikeda, Hitoshi Nakayashiki, Yasuyo Nishimura, Kouhei Ohnishi, Akinori Kiba, Kenji Kai, Yasufumi Hikichi
After invasion into intercellular spaces of tomato plants, the soil-borne plant pathogenic Ralstonia solanacearum strain OE1-1 forms mushroom-shaped biofilms (mushroom-type biofilms, mBFs) on tomato cells, leading to its virulence. The strain OE1-1 produces aryl-furanone secondary metabolites, ralfuranones (A, B, J, K and L), dependent on the quorum sensing (QS) system with methyl 3-hydroxymyristate (3-OH MAME) synthesized by PhcB as a QS signal. Ralfuranones are associated with the feedback loop of the QS system...
July 19, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/28722829/megakaryocytes-enhance-mesenchymal-stromal-cells-proliferation-and-inhibit-differentiation
#17
Arbi M Emmakah, Hussain E Arman, Marta B Alvarez, Paul J Childress, Joseph P Bidwell, William S Goebel, Tien-Min Gabriel Chu, Melissa A Kacena
Megakaryocytes (MKs) can induce proliferation of calvarial osteoblasts [Ciovacco et al., 2009], but this same phenomenon has not been reported for bone marrow stromal populations from long bones. Bone marrow contains several types of progenitor cells which can be induced to differentiate into multiple cell types. Herein, we examined mesenchymal stromal cell proliferation and osteoblastic differentiation when rabbit or mouse MK were cultured with i) rabbit bone marrow stromal cells, ii) rabbit dental pulp stromal cells, or iii) mouse bone marrow stromal cells...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722588/optimizing-direct-membrane-and-direct-skin-feeding-assays-for-plasmodium-falciparum-transmission-blocking-vaccine-trials-in-bancoumana-mali
#18
Mamadou B Coulibaly, Erin E Gabriel, Youssouf Sinaba, Daman Sylla, Adama Sacko, Lakamy Sylla, Boubacar Coulibaly, Jen C C Hume, Ibrahima Baber, Mahamadoun H Assadou, Issaka Sagara, Yimin Wu, Sara A Healy, Ogobara Doumbo, Sekou F Traore, Patrick E Duffy
Malaria transmission-blocking vaccines (TBV) have been evaluated in field trials in Mali, since 2013. However, the assays currently used to measure serum antibody TB activity (TBA) after vaccination are highly variable, in part due to the lack of optimization and standardization for field assays in which mosquitoes feed on gametocytemic blood. Herein, we report a study conducted in Bancoumana village, Mali, where we identify and optimize the parameters that contribute to successful mosquito feeding outcomes in both direct skin feeds (DSFs) and direct membrane feeding assays (DMFA)...
June 26, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28722566/molecular-epidemiology-of-staphylococcus-aureus-skin-and-soft-tissue-infections-in-the-lao-people-s-democratic-republic
#19
Alicia D Yeap, Kate Woods, David A B Dance, Bruno Pichon, Sayaphet Rattanavong, Viengmon Davong, Rattanaphone Phetsouvanh, Paul N Newton, Nandini Shetty, Angela M Kearns
This is the first report of the molecular epidemiology of Staphylococcus aureus from skin and soft tissue infections (SSTI) in Laos. We selected a random sample of 96 S. aureus SSTI isolates received by the Microbiology Laboratory, Mahosot Hospital, Vientiane, between July 2012 and June 2014, including representation from seven referral hospitals. Isolates underwent susceptibility testing by Clinical and Laboratory Standards Institute methods, spa typing and DNA microarray analysis, with whole genome sequencing for rare lineages...
May 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28722450/two-new-sandwich-type-manganese-mn5-substituted-polyoxotungstates-syntheses-crystal-structures-electrochemistry-and-magnetic-properties
#20
Rakesh Gupta, Imran Khan, Firasat Hussain, A Martin Bossoh, Israël M Mbomekallé, Pedro de Oliveira, Masahiro Sadakane, Chisato Kato, Katsuya Ichihashi, Katsuya Inoue, Sadafumi Nishihara
Herein we report two pentanuclear Mn(II)-substituted sandwich-type polyoxotungstate complexes, [{Mn(bpy)}2Na(H2O)2(MnCl)2{Mn(H2O)}(AsW9O33)2](9-) and [{Mn(bpy)}2Na(H2O)2(MnCl){Mn(H2O)}2(SbW9O33)2](8-) (bpy = 2,2'-bipyridine), whose structures have been obtained by single-crystal X-ray diffraction (SCXRD), complemented by results obtained from elemental analysis, electrospray ionization mass spectrometry, Fourier transform infrared spectroscopy, and thermogravimetric analysis. They consist of two [B-α-XW9O33](9-) subunits sandwiching a cyclic assembly of the hexagonal [{Mn(bpy)}2Na(H2O)2(MnCl)2{Mn(H2O)}](9+) and [{Mn(bpy)}2Na(H2O)2(MnCl){Mn(H2O)}2](10+) moieties, respectively, and represent the first pentanuclear Mn(II)-substituted sandwich-type polyoxometalates (POMs)...
July 19, 2017: Inorganic Chemistry
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