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https://www.readbyqxmd.com/read/27929701/effect-of-serum-and-platelet-rich-plasma-on-human-early-or-advanced-degenerative-meniscus-cells
#1
Undine Freymann, Lucia Degrassi, Jan Philipp Krüger, Sebastian Metzlaff, Michaela Endres, Wolf Petersen
PURPOSE: The purpose of this in vitro study was to evaluate the migratory, proliferating & extracellular matrix (ECM) forming effect of human serum (HS) and platelet-rich plasma (PRP) on meniscus cells derived from human knees with early or advanced degenerative changes. MATERIALS AND METHODS: Medial menisci from knees with early degenerative changes (n=5; mean Kellgren score of 1) undergoing arthroscopic meniscal surgery and advanced degenerative changes (n=5; mean Kellgren score of 4) undergoing total knee replacement were collected...
December 8, 2016: Connective Tissue Research
https://www.readbyqxmd.com/read/27927779/depletion-of-gut-microbiota-protects-against-renal-ischemia-reperfusion-injury
#2
Diba Emal, Elena Rampanelli, Ingrid Stroo, Loes M Butter, Gwendoline J Teske, Nike Claessen, Geurt Stokman, Sandrine Florquin, Jaklien C Leemans, Mark C Dessing
An accumulating body of evidence shows that gut microbiota fulfill an important role in health and disease by modulating local and systemic immunity. The importance of the microbiome in the development of kidney disease, however, is largely unknown. To study this concept, we depleted gut microbiota with broad-spectrum antibiotics and performed renal ischemia-reperfusion (I/R) injury in mice. Depletion of the microbiota significantly attenuated renal damage, dysfunction, and remote organ injury and maintained tubular integrity after renal I/R injury...
December 7, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27927195/intimate-partner-violence-against-married-rural-to-urban-migrant-workers-in-eastern-china-prevalence-patterns-and-associated-factors
#3
Li Chen, Zonghuo Yu, Xianming Luo, Zhaoxin Huang
BACKGROUND: Intimate partner violence (IPV) is a significant public health issue among married rural-to-urban migrant workers, the largest group of internal migrants in China. This study aims to explore the prevalence, patterns and associated factors of intimate partner violence against married rural-to-urban migrant workers in eastern China. METHODS: A cross-sectional study was conducted in Zhejiang province in China between July 2015 and April 2016, and a total of 1,744 married rural-to-urban migrant workers ultimately took part in the study...
December 7, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27925315/social-preferences-for-the-design-of-biodiversity-offsets-for-shorebirds-in-australia
#4
Abbie A Rogers, Michael P Burton
Understanding the social acceptability of biodiversity offsets is important in order to properly design offset policy. This study used a discrete choice experiment to quantify preferences of the Australian people for a migratory shorebird offset, in the context of an oil and gas development. We used both current and prospective offset policy characteristics, with a view to informing future policy design of the social dimensions related to offset acceptability. We found that the practice of offsetting was accepted by the community as a means to allow economic development...
December 7, 2016: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/27922016/gabaergic-anxiolytic-drug-in-water-increases-migration-behaviour-in-salmon
#5
Gustav Hellström, Jonatan Klaminder, Fia Finn, Lo Persson, Anders Alanärä, Micael Jonsson, Jerker Fick, Tomas Brodin
Migration is an important life-history event in a wide range of taxa, yet many migrations are influenced by anthropogenic change. Although migration dynamics are extensively studied, the potential effects of environmental contaminants on migratory physiology are poorly understood. In this study we show that an anxiolytic drug in water can promote downward migratory behaviour of Atlantic salmon (Salmo salar) in both laboratory setting and in a natural river tributary. Exposing salmon smolt to a dilute concentration of a GABAA receptor agonist (oxazepam) increased migration intensity compared with untreated smolt...
December 6, 2016: Nature Communications
https://www.readbyqxmd.com/read/27921293/coloniality-and-migration-are-related-to-selection-on-mhc-genes-in-birds
#6
Piotr Minias, Linda A Whittingham, Peter O Dunn
The Major Histocompatibility Complex (MHC) plays a key role in pathogen recognition as a part of vertebrate adaptive immune system. The great diversity of MHC genes in natural populations is maintained by different forms of balancing selection and its strength should correlate with the diversity of pathogens to which a population is exposed and the rate of exposure. Despite this prediction, little is known about how the life-history characteristics affect selection at the MHC. Here, we examined whether the strength of balancing selection on MHC class II genes in birds (as measured with nonsynonymous nucleotide substitutions, dN) was related to their social or migratory behaviour, two life-history characteristics correlated with pathogen exposure...
December 6, 2016: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/27920873/migratory-stroke-like-lesions-in-a-case-of-adult-onset-mitochondrial-encephalomyopathy-lactic-acidosis-and-stroke-like-episodes-melas-syndrome-and-a-review-of-imaging-findings
#7
Stephen S Cai, Rainer von Coelln, Theresa J Kouo
Imaging findings of adult-onset mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS) syndrome is poorly documented. The authors present a 48-year-old woman with subacute onset of word-finding difficulties and right arm stiffness. Magnetic resonance imaging performed 2 weeks prior revealed left temporal lobe diffusion and fluid-attenuated inversion recovery hyperintensity predominantly involving the cortex. The apparent diffusion coefficient map showed preserved signal in the temporal cortex...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27920654/a-rare-cause-of-pulmonary-nodules
#8
Michael Tsuyoshi Chew, Eric Chak, Karen Matsukuma
Crohn's disease is a chronic, idiopathic autoimmune disorder that primarily targets the gastrointestinal (GI) system. It is characterized by transmural inflammation of the GI tract that can occur anywhere from the mouth to the anus. Not infrequently, the disease may also have extraintestinal manifestations (EIMs) that can affect almost any organ system. It is estimated that EIMs affect up to 36% of patients with Crohn's disease, but the incidence and prevalence of pulmonary involvement are variable in the literature and may be as low as 0...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/27919749/in-vitro-vla-4-blockade-results-in-an-impaired-nk-cell-mediated-immune-surveillance-against-melanoma
#9
Ilaria Gandoglia, Federico Ivaldi, Paolo Carrega, Eric Armentani, Guido Ferlazzo, Gianluigi Mancardi, Nicole Kerlero de Rosbo, Antonio Uccelli, Alice Laroni
Natalizumab (NTZ) is a monoclonal antibody targeting the α4β1 integrin (CD49d/CD29), very late antigen-4 (VLA-4), which is approved for treatment of relapsing-remitting multiple sclerosis (RR-MS). A possible association between NTZ treatment and a higher risk of melanoma is under debate. Natural Killer (NK) cells, which express VLA-4, represent an innate barrier limiting spreading of melanoma under steady state conditions. Indeed, because of their expression of activating receptors, they are very efficient in recognizing and killing melanoma cells without the need of a previous priming...
December 2, 2016: Immunology Letters
https://www.readbyqxmd.com/read/27919746/fhod1-formin-is-upregulated-in-melanomas-and-modifies-proliferation-and-tumor-growth
#10
Minna Peippo, Maria Gardberg, Tarja Lamminen, Katja Kaipio, Olli Carpén, Vanina D Heuser
The functional properties of actin-regulating formin proteins are diverse and in many cases cell-type specific. FHOD1, a formin expressed predominantly in cells of mesenchymal lineage, bundles actin filaments and participates in maintenance of cell shape, migration and cellular protrusions. FHOD1 participates in cancer-associated epithelial to mesenchymal transition (EMT) in oral squamous cell carcinoma and breast cancer. The role of FHOD1 in melanomas has not been characterized. Here, we show that FHOD1 expression is typically strong in cutaneous melanomas and cultured melanoma cells while the expression is low or absent in benign nevi...
December 2, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/27919618/electric-field-induced-suppression-of-pten-drives-epithelial-to-mesenchymal-transition-via-mtorc1-activation
#11
Tiantian Yan, Xupin Jiang, Xiaowei Guo, Wen Chen, Di Tang, Junhui Zhang, Xingyue Zhang, Dongxia Zhang, Qiong Zhang, Jiezhi Jia, Yuesheng Huang
BACKGROUND: Naturally occurring electric fields (EFs) are an intrinsic property of wounds. Endogenous EFs in skin wounds play critical roles in the dynamic and well-ordered biological process of wound healing. The epithelial-to-mesenchymal transition (EMT) allows keratinocytes to transition from sedentary cells to motile cells, facilitating wound healing. However, EMT-related studies have been performed without considering endogenous EFs. Thus, the relationship between electrical signals and the EMT remain elusive...
November 18, 2016: Journal of Dermatological Science
https://www.readbyqxmd.com/read/27919555/benefits-on-public-health-from-transport-related-greenhouse-gas-mitigation-policies-in-southeastern-european-cities
#12
D A Sarigiannis, P Kontoroupis, S Nikolaki, A Gotti, D Chapizanis, S Karakitsios
Climate change is a major environmental threat of our time. Cities have a significant impact on greenhouse gas emissions as most of the traffic, industry, commerce and more than 50% of world population is situated in urban areas. Southern Europe is a region that faces financial turmoil, enhanced migratory fluxes and climate change pressure. The case study of Thessaloniki is presented, one of the only two cities in Greece with established climate change action plans. The effects of feasible traffic policies in year 2020 are assessed and their potential health impact is compared to a business as usual scenario...
December 2, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27919313/population-dynamics-of-rice-planthoppers-nilaparvata-lugens-and-sogatella-furcifera-hemiptera-delphacidae-in-central-vietnam-and-its-effects-on-their-spring-migration-to-china
#13
G Hu, M-H Lu, H A Tuan, W-C Liu, M-C Xie, C E McInerney, B-P Zhai
Rice planthopper (RPH) populations of Nilaparvata lugens and Sogatella furcifera periodically have erupted across Asia. Predicting RPH population dynamics and identifying their source areas are crucial for the management of these migratory pests in China, but the origins of the migrants to temperate and subtropical regions in China remains unclear. In particular, their early migration to China in March and April have not yet been explored due to a lack of research data available from potential source areas, Central Vietnam and Laos...
December 6, 2016: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/27917476/pop-up-satellite-archival-tag-effects-on-the-diving-behaviour-growth-and-survival-of-adult-atlantic-salmon-salmo-salar-at-sea
#14
R D Hedger, A H Rikardsen, E B Thorstad
The effects of large, externally attached pop-up satellite archival tags (PSATs) were compared with those of small implanted data storage tags (DSTs) on adult Atlantic salmon Salmo salar during their ocean migration in regards to depth utilization, diving depth, diving rate, diving speed and temperatures experienced. Additionally the return rate and growth of individuals tagged with PSATs was compared with those of small acoustic tags and DSTs. Overall, the depth distribution of individuals tagged with PSATs was similar to that of those tagged with DSTs, reflecting the pelagic nature of S...
December 4, 2016: Journal of Fish Biology
https://www.readbyqxmd.com/read/27915969/anoikis-and-emt-lethal-liaisons-during-cancer-progression
#15
Zheng Cao, Theodore Livas, Natasha Kyprianou
Anoikis is a unique mode of apoptotic cell death that occurs consequentially to insufficient cell-matrix interactions. Resistance to anoikis is a critical contributor to tumor invasion and metastasis. The phenomenon is regulated by integrins, which upon engagement with components of the extracellular matrix (ECM) form adhesion complexes and the actin cytoskeleton drives the formation of cell protrusions used to adhere to ECM, directing cell migration. The epithelial-mesenchymal transition (EMT) confers stem cell properties and leads to acquisition of a migratory and invasive phenotype by causing adherens junction breakdown and circumventing anoikis in the tumor microenvironment...
2016: Critical Reviews in Oncogenesis
https://www.readbyqxmd.com/read/27914030/active-compounds-extracted-from-extra-virgin-olive-oil-counteract-mesothelial-to-mesenchymal-transition-of-peritoneal-mesothelium-cells-exposed-to-conventional-peritoneal-dialysate-in-vitro-and-in-vivo-evidences
#16
S Lupinacci, G Toteda, D Vizza, A Perri, C Benincasa, A Mollica, A La Russa, P Gigliotti, F Leone, D Lofaro, M Bonofiglio, E Perri, R Bonofiglio
During peritoneal dialysis (PD), peritoneal mesothelial cells undergo a transition from an epithelial phenotype to a mesenchymal phenotype that, together with the inflammatory process, promotes tissue fibrosis and a failure of peritoneal membrane function. To date, there is no definitive treatment for the progressive thickening and angiogenesis of the peritoneal membrane associated with PD. In this study we tested, in vitro and in vivo, the ability of active compounds extracted from extra virgin olive oil (AC-EVOO) to counteract the mesothelial-to-mesenchymal transition process (MMT) observed in mesothelial cells chronically exposed to the conventional peritoneal dialysate (DL)...
December 2, 2016: Journal of Nephrology
https://www.readbyqxmd.com/read/27913619/the-caenorhabditis-elegans-nf2-merlin-molecule-nfm-1-non-autonomously-regulates-neuroblast-migration-and-interacts-genetically-with-the-guidance-cue-slt-1-slit
#17
Matthew P Josephson, Rana Aliani, Megan L Norris, Matthew E Ochs, Mahekta Gujar, Erik A Lundquist
During nervous system development, neurons and their progenitors migrate to their final destinations. In Caenorhabditis elegans, the bilateral Q neuroblasts and their descendants migrate long distances in opposite directions, despite being born in the same posterior region. QR on the right migrates anteriorly and generates the AQR neuron positioned near the head, and QL on the left migrates posteriorly, giving rise to the PQR neuron positioned near the tail. In a screen for genes required for AQR and PQR migration, we identified an allele of nfm-1, which encodes a molecule similar to vertebrate NF2/Merlin, an important tumor suppressor in humans...
December 2, 2016: Genetics
https://www.readbyqxmd.com/read/27912012/coast-wide-recruitment-dynamics-of-olympia-oysters-reveal-limited-synchrony-and-multiple-predictors-of-failure
#18
Kerstin Wasson, Brent B Hughes, John S Berriman, Andrew L Chang, Anna K Deck, Paul A Dinnel, Charlie Endris, Michael Espinoza, Sarah Dudas, Matthew C Ferner, Edwin D Grosholz, David Kimbro, Jennifer L Ruesink, Alan C Trimble, Dick Vander Schaaf, Chela J Zabin, Danielle C Zacherl
Recruitment of new propagules into a population can be a critical determinant of adult density. We examined recruitment dynamics in the Olympia oyster (Ostrea lurida), a species occurring almost entirely in estuaries. We investigated spatial scales of interannual synchrony across 37 sites in eight estuaries along 2,500 km of Pacific North American coastline, predicting that high vs. low recruitment years would coincide among neighboring estuaries due to shared exposure to regional oceanographic factors. Such synchrony in recruitment has been found for many marine species and some migratory estuarine species, but has never been examined across estuaries in a species that can complete its entire life cycle within the same estuary...
December 2016: Ecology
https://www.readbyqxmd.com/read/27912002/a-novel-application-of-multi-event-modeling-to-estimate-class-segregation-in-a-highly-migratory-oceanic-vertebrate
#19
T K Chapple, T Chambert, P E Kanive, S J Jorgensen, J J Rotella, S D Anderson, A B Carlisle, B A Block
Spatial segregation of animals by class (i.e., maturity or sex) within a population due to differential rates of temporary emigration (TE) from study sites can be an important life history feature to consider in population assessment and management. However, such rates are poorly known; new quantitative approaches to address these knowledge gaps are needed. We present a novel application of multi-event models that takes advantage of two sources of detections to differentiate temporary emigration from apparent absence to quantify class segregation within a study population of double-marked (photo-identified and tagged with coded acoustic transmitters) white sharks (Carcharodon carcharias) in central California...
December 2016: Ecology
https://www.readbyqxmd.com/read/27910895/arabidopsis-thaliana-as-a-suitable-model-host-for-research-on-interactions-between-plant-and-foliar-nematodes-parasites-of-plant-shoot
#20
Dong-Wei Wang, Xiao-Fang Peng, Hui Xie, Chun-Ling Xu, De-Qiang Cheng, Jun-Yi Li, Wen-Jia Wu, Ke Wang
The rice white tip nematode (RWTN), Aphelenchoides besseyi and the chrysanthemum foliar nematode (CFN), Aphelenchoides ritzemabosi are migratory plant parasitic nematodes that infect the aboveground parts of plants. In this research, Arabidopsis thaliana was infected by RWTN and CFN under indoor aseptic cultivation, and the nematodes caused recognizable symptoms in the leaves. Furthermore, RWTN and CFN completed their life cycles and proliferated. Therefore, A. thaliana was identified as a new host of RWTN and CFN...
December 2, 2016: Scientific Reports
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