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https://www.readbyqxmd.com/read/28615489/ovarian-fluid-impacts-flagellar-beating-and-biomechanical-metrics-of-sperm-between-alternative-reproductive-tactics
#1
Ian A E Butts, Galina Prokopchuk, Vojtěch Kašpar, Jacky Cosson, Trevor E Pitcher
Alternative reproductive tactics (ARTs) are prevalent in nature, where smaller parasitic males typically have better sperm quality than larger territorial guard males. At present, it is unclear what is causing this phenomenon. Our objective was to gain insights into sperm form and function by examining flagellar beating patterns (beat frequency, wave amplitude, bend length, bend angle, wave velocity) and biomechanical sperm metrics (velocity, hydrodynamic power output, propulsive efficiency) of wild spawning Chinook salmon ARTs...
June 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28595482/development-of-edible-films-obtained-from-submicron-emulsions-based-on-whey-protein-concentrate-oil-beeswax-and-brea-gum
#2
Juan Pablo Cecchini, María J Spotti, Andrea M Piagentini, Viviana G Milt, Carlos R Carrara
Edible films with whey protein concentrate (WPC) with a lipid component, sunflower oil (O) or beeswax (W), to enhance barrier to water vapor were obtained. Brea gum was used as emulsifier and also as matrix component. In order to achieve emulsion with small and homogeneous droplet size, an ultrasonicator equipment was used after obtaining a pre-emulsion using a blender. The films were made by casting. Effects of lipid fraction on droplet size, zeta potential, mechanical properties, water vapor permeability (WVP), solubility, and optical properties were determined...
June 2017: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
https://www.readbyqxmd.com/read/28552702/struggling-to-maintain-individuality-describing-the-experience-of-food-in-nursing-homes-for-people-with-dementia
#3
Rachel Milte, Wendy Shulver, Maggie Killington, Clare Bradley, Michelle Miller, Maria Crotty
PURPOSE OF THE STUDY: To describe the food and dining experience of people with cognitive impairment and their family members in nursing homes. DESIGN AND METHODS: Interviews and focus groups with people with cognitive impairment and their family members (n=19). Thematic analysis was undertaken using NVivo10 data analysis software package to determine key themes. RESULTS: The main themes identified tracked a journey for people with cognitive impairment in nursing homes, where they initially sought to have their individual needs and preferences recognised and heard, expressed frustration as they perceived growing barriers to receiving dietary care which met their preferences, and ultimately described a deterioration of the amount of control and choice available to the individual with loss of self-feeding ability and dysphagia...
May 17, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28493373/the-novel-%C3%AE-b-crystallin-cryab-mutation-p-d109g-causes-restrictive-cardiomyopathy
#4
Andreas Brodehl, Anna Gaertner-Rommel, Bärbel Klauke, Simon Andre Grewe, Ilona Schirmer, Andreas Peterschröder, Lothar Faber, Matthias Vorgerd, Jan Gummert, Dario Anselmetti, Uwe Schulz, Lech Paluszkiewicz, Hendrik Milting
Restrictive cardiomyopathy (RCM) is a rare heart disease characterized by diastolic dysfunction and atrial enlargement. The genetic etiology of RCM is not completely known. We identified by a next-generation sequencing panel the novel CRYAB missense mutation c.326A>G, p.D109G in a small family with RCM in combination with skeletal myopathy with an early onset of the disease. CRYAB encodes αB-crystallin, a member of the small heat shock protein family, which is highly expressed in cardiac and skeletal muscle...
May 11, 2017: Human Mutation
https://www.readbyqxmd.com/read/28358248/atypical-choroid-plexus-papilloma-clinicopathological-and-neuroradiological-features
#5
Yu-Zhen Shi, Mao-Zhen Chen, Wei Huang, Li-Li Guo, Xiao Chen, Dan Kong, Ying-Ying Zhuang, Yi-Ming Xu, Rui-Rui Zhang, Gen-Ji Bo, Zhong-Qiu Wang
Background Atypical choroid plexus papilloma (APP) is a rare, newly introduced entity with intermediate characteristics. To date, few reports have revealed the magnetic resonance (MR) findings. Purpose To analyze the clinicopathological and MR features of APP. Material and Methods The clinicopathological data and preoperative MR images of six patients with pathologically proven APP were retrospectively reviewed. The MR features including tumor location, contour, signal intensity, degree of enhancement, intratumoral cysts, and necrosis; and flow voids, borders, peritumoral edema, and associated hydrocephalus were analyzed...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28332132/redefining-the-role-of-biomarkers-in-heart-failure-trials-expert-consensus-document
#6
REVIEW
Frank Kramer, Hani N Sabbah, James J Januzzi, Faiez Zannad, J Peter van Tintelen, Erik B Schelbert, Raymond J Kim, Hendrik Milting, Richardus Vonk, Brien Neudeck, Richard Clark, Klaus Witte, Wilfried Dinh, Burkert Pieske, Javed Butler, Mihai Gheorghiade
Heart failure is a growing cardiovascular disease with significant epidemiological, clinical, and societal implications and represents a high unmet need. Strong efforts are currently underway by academic and industrial researchers to develop novel treatments for heart failure. Biomarkers play an important role in patient selection and monitoring in drug trials and in clinical management. The present review gives an overview of the role of available molecular, imaging, and device-derived digital biomarkers in heart failure drug development and highlights capabilities and limitations of biomarker use in this context...
May 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28327120/where-s-the-evidence-a-systematic-review-of-economic-analyses-of-residential-aged-care-infrastructure
#7
Tiffany Easton, Rachel Milte, Maria Crotty, Julie Ratcliffe
BACKGROUND: Residential care infrastructure, in terms of the characteristics of the organisation (such as proprietary status, size, and location) and the physical environment, have been found to directly influence resident outcomes. This review aimed to summarise the existing literature of economic evaluations of residential care infrastructure. METHODS: A systematic review of English language articles using AgeLine, CINAHL, Econlit, Informit (databases in Health; Business and Law; Social Sciences), Medline, ProQuest, Scopus, and Web of Science with retrieval up to 14 December 2015...
March 21, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28237338/the-effects-of-rival-seminal-plasma-on-sperm-velocity-in-the-alternative-reproductive-tactics-of-chinook-salmon
#8
Jason A Lewis, Trevor E Pitcher
Sperm competition is prevalent and intense in many animal mating systems, and is a major force driving evolution of such mating systems. The objective of this study was to determine the effect of seminal plasma on sperm velocity of male Chinook salmon (Onchorhynchus tshawytscha), which possesses a mating system with male alternative reproductive tactics and intense sperm competition. Male Chinook salmon either adopt a small, precocious sneaking tactic (jack) or a large, dominant tactic (hooknose). To test whether the seminal plasma can effect sperm velocity amongst sperm competitors, two experiments were done whereby males were paired based upon the alternative tactic each male adopted, with the first experiment consisting of jack-hooknose pairs (N = 16) and the second experiment consisting of jack-jack and hooknose-hooknose pairs (N = 12 and 14, respectively)...
April 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28183531/cardiomyocyte-hypertrophy-in-arrhythmogenic-cardiomyopathy
#9
Mustafa Gerçek, Muhammed Gerçek, Sebastian Kant, Sakine Simsekyilmaz, Astrid Kassner, Hendrik Milting, Elisa A Liehn, Rudolf E Leube, Claudia A Krusche
Arrhythmogenic cardiomyopathy (AC) is a hereditary disease leading to sudden cardiac death or heart failure. AC pathology is characterized by cardiomyocyte loss and replacement fibrosis. Our goal was to determine whether cardiomyocytes respond to AC progression by pathological hypertrophy. To this end, we examined tissue samples from AC patients with end-stage heart failure and tissue samples that were collected at different disease stages from desmoglein 2-mutant mice, a well characterized AC model. We find that cardiomyocyte diameters are significantly increased in right ventricles of AC patients...
April 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28119145/sexual-maturation-in-atlantic-salmon-induces-a-constitutive-mx-protein-production-and-influences-the-infectious-pancreatic-necrosis-virus-carrier-status
#10
M C S Fourrier, M M Monte, E S Munro
The aim of this study was to demonstrate for the first time that sexual maturation induces a constitutive increase in Mx gene expression and protein production in Atlantic salmon. This could explain the reduction in IPNV prevalence previously observed in broodfish at the time of ova/milt stripping. For this purpose, Mx transcript and protein levels were analysed in different tissues/samples and compared between mature broodfish (female and male) and immature parr.
March 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28116519/medium-chain-fatty-acids-modulate-myocardial-function-via-a-cardiac-odorant-receptor
#11
Nikolina Jovancevic, A Dendorfer, M Matzkies, M Kovarova, J C Heckmann, M Osterloh, M Boehm, L Weber, F Nguemo, J Semmler, J Hescheler, H Milting, E Schleicher, L Gelis, H Hatt
Several studies have demonstrated the expression of odorant receptors (OR) in various human tissues and their involvement in different physiological and pathophysiological processes. However, the functional role of ORs in the human heart is still unclear. Here, we firstly report the functional characterization of an OR in the human heart. Initial next-generation sequencing analysis revealed the OR expression pattern in the adult and fetal human heart and identified the fatty acid-sensing OR51E1 as the most highly expressed OR in both cardiac development stages...
March 2017: Basic Research in Cardiology
https://www.readbyqxmd.com/read/28095808/associations-between-access-to-alcohol-outlets-and-alcohol-intake-and-depressive-symptoms-in-women-from-socioeconomically-disadvantaged-neighbourhoods-in-australia
#12
Karen E Lamb, Lukar E Thornton, Megan Teychenne, Catherine Milte, Ester Cerin, Kylie Ball
BACKGROUND: This study examined associations between alcohol outlet access and alcohol intake, depressive symptoms score and risk of depression among women residing in disadvantaged neighbourhoods in Victoria, Australia. METHODS: Data on depressive symptoms, alcohol intake and socio-demographic characteristics were obtained from a sample of 995 adult women from Victoria, Australia who were surveyed as part of the Resilience in Eating and Activity Despite Inequality (READI) study...
January 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28095452/influence-of-mechanical-circulatory-support-on-endothelin-receptor-expression-in-human-left-ventricular-myocardium-from-patients-with-dilated-cardiomyopathy-dcm
#13
Florian Gärtner, Getu Abraham, Astrid Kassner, Daniela Baurichter, Hendrik Milting
BACKGROUND: In terminal failing hearts ventricular assist devices (VAD) are implanted as a bridge to transplantation. Endothelin receptor (ETR) antagonists are used for treatment of secondary pulmonary hypertension in VAD patients. However, the cardiac ETR regulation in human heart failure and during VAD support is incompletely understood. METHODS: In paired left ventricular samples of 12 dilated cardiomyopathy patients we investigated the density of endothelin A (ETA) and B (ETB) receptors before VAD implantation and after device removal...
2017: PloS One
https://www.readbyqxmd.com/read/28067414/effects-of-storage-time-on-the-motility-mortality-and-calcium-levels-of-atlantic-salmon-salmo-salar-spermatozoa
#14
J Parodi, G Guerra, M Cuevas, A Ramírez-Reveco, F Romero
This study estimates spermatozoa mortality, morphology, motility and intracellular calcium levels in Atlantic salmon Salmo salar milt after prolonged storage. Milt samples were preserved at 4° C for 25 days and then evaluated for mortality. Motility remained high for the first 3 days and the mortality was low during the first 5 days of storage. A decrease of >50% in calcium content was observed after 5 days of storage. When spermatozoa were activated, calcium levels increased >200% in relative fluorescence units (RFU); this rate of increase was lost when the samples were stored for extended periods of time and was only partially manifested in a zero calcium solution...
April 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/27999476/advancing-aged-care-a-systematic-review-of-economic-evaluations-of-workforce-structures-and-care-processes-in-a-residential-care-setting
#15
REVIEW
Tiffany Easton, Rachel Milte, Maria Crotty, Julie Ratcliffe
Long-term care for older people is provided in both residential and non-residential settings, with residential settings tending to cater for individuals with higher care needs. Evidence relating to the costs and effectiveness of different workforce structures and care processes is important to facilitate the future planning of residential aged care services to promote high quality care and to enhance the quality of life of individuals living in residential care. A systematic review conducted up to December 2015 identified 19 studies containing an economic component; seven included a complete economic evaluation and 12 contained a cost analysis only...
2016: Cost Effectiveness and Resource Allocation: C/E
https://www.readbyqxmd.com/read/27999369/protective-effects-of-hydrolyzed-nucleoproteins-from-salmon-milt-against-ethanol-induced-liver-injury-in-rats
#16
Akiko Kojima-Yuasa, Mayu Goto, Eri Yoshikawa, Yuri Morita, Hirotaka Sekiguchi, Keita Sutoh, Koji Usumi, Isao Matsui-Yuasa
Dietary nucleotides play a role in maintaining the immune responses of both animals and humans. Oral administration of nucleic acids from salmon milt have physiological functions in the cellular metabolism, proliferation, differentiation, and apoptosis of human small intestinal epithelial cells. In this study, we examined the effects of DNA-rich nucleic acids prepared from salmon milt (DNSM) on the development of liver fibrosis in an in vivo ethanol-carbon tetrachloride cirrhosis model. Plasma aspartate transaminase and alanine transaminase were significantly less active in the DNSM-treated group than in the ethanol plus carbon tetrachloride (CCl₄)-treated group...
December 19, 2016: Marine Drugs
https://www.readbyqxmd.com/read/27923414/missing-data-in-ffqs-making-assumptions-about-item-non-response
#17
Karen E Lamb, Dana Lee Olstad, Cattram Nguyen, Catherine Milte, Sarah A McNaughton
OBJECTIVE: FFQs are a popular method of capturing dietary information in epidemiological studies and may be used to derive dietary exposures such as nutrient intake or overall dietary patterns and diet quality. As FFQs can involve large numbers of questions, participants may fail to respond to all questions, leaving researchers to decide how to deal with missing data when deriving intake measures. The aim of the present commentary is to discuss the current practice for dealing with item non-response in FFQs and to propose a research agenda for reporting and handling missing data in FFQs...
December 7, 2016: Public Health Nutrition
https://www.readbyqxmd.com/read/27788150/calciotropic-and-phosphaturic-hormones-in-end-stage-heart-failure-patients-supported-by-a-left-ventricular-assist-device
#18
Armin Zittermann, Jana B Ernst, Stefan Pilz, Jens Dreier, Joachim Kuhn, Cornelius Knabbe, Jan F Gummert, Michiel Morshuis, Hendrik Milting
BACKGROUND: Calcium and phosphate are central for myocardial contractility and energy metabolism, and low levels of the calciotropic hormone 1,25-dihydroxyvitamin D (1,25(OH)2D), as well as high levels of the phosphaturic hormone fibroblast growth factor (FGF)-23, are independently associated with poor clinical outcome in heart failure (HF) patients. We therefore aimed to investigate the postoperative time course of the aforementioned hormones in HF patients supported with a left-ventricular assist device (LVAD) implant...
2016: PloS One
https://www.readbyqxmd.com/read/27785566/diet-quality-and-telomere-length-in-older-australian-men-and-women
#19
Catherine M Milte, Aaron P Russell, Kylie Ball, David Crawford, Jo Salmon, Sarah A McNaughton
PURPOSE: Telomere length is a biomarker of cellular ageing, with longer telomeres associated with longevity and reduced risk of chronic disease in older age. Consumption of a healthy diet may contribute to longevity via its impact on cellular ageing, but studies on diet and telomere length to date have been limited and their findings equivocal. The aim of this study was to examine associations between three indices of diet quality and telomere length in older men and women. METHODS: Adults aged 57-68 years participating in the Wellbeing, Eating and Exercise for a Long Life (WELL) study in Victoria, Australia (n = 679), completed a postal survey including an 111-item food frequency questionnaire in 2012...
October 26, 2016: European Journal of Nutrition
https://www.readbyqxmd.com/read/27737633/huntingtin-associated-protein-1-eutherian-adaptation-from-a%C3%A2-trak-like-protein-conserved-gene-promoter-elements-and-localization-in-the-human-intestine
#20
Amanda L Lumsden, Richard L Young, Nektaria Pezos, Damien J Keating
BACKGROUND: Huntingtin-associated Protein 1 (HAP1) is expressed in neurons and endocrine cells, and is critical for postnatal survival in mice. HAP1 shares a conserved "HAP1_N" domain with TRAfficking Kinesin proteins TRAK1 and TRAK2 (vertebrate), Milton (Drosophila) and T27A3.1 (C. elegans). HAP1, TRAK1 and TRAK2 have a degree of common function, particularly regarding intracellular receptor trafficking. However, TRAK1, TRAK2 and Milton (which have a "Milt/TRAK" domain that is absent in human and rodent HAP1) differ in function to HAP1 in that they are mitochondrial transport proteins, while HAP1 has emerging roles in starvation response...
October 13, 2016: BMC Evolutionary Biology
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