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Biological Sciences

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https://www.readbyqxmd.com/read/29156800/comparative-molecular-analyses-of-left-sided-colon-right-sided-colon-and-rectal-cancers
#1
Mohamed E Salem, Benjamin A Weinberg, Joanne Xiu, Wafik S El-Deiry, Jimmy J Hwang, Zoran Gatalica, Philip A Philip, Anthony F Shields, Heinz-Josef Lenz, John L Marshall
Tumor sidedness has emerged as an important prognostic and predictive factor in the treatment of colorectal cancer. Recent studies demonstrate that patients with advanced right-sided colon cancers have a worse prognosis than those with left-sided colon or rectal cancers, and these patient subgroups respond differently to biological therapies. Historically, management of patients with metastatic colon and rectal cancers has been similar, and colon and rectal cancer patients have been grouped together in large clinical trials...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29154280/sisyphus-in-neverland
#2
Isidro Ferrer
The study of life and living organisms and the way in which these interact and organize to form social communities have been central to my career. I have been fascinated by biology, neurology, and neuropathology, but also by history, sociology, and art. Certain current historical, political, and social events, some occurring proximally but others affecting people in apparently distant places, have had an impact on me. Epicurus, Seneca, and Camus shared their philosophical positions which I learned from. Many scientists from various disciplines have been exciting sources of knowledge as well...
November 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29154142/child-trafficking-and-the-european-migration-crisis-the-role-of-forensic-practitioners
#3
Zuzana Obertová, Cristina Cattaneo
Trafficking in children is one of the worst forms of human rights violation and is categorised as a serious crime. Children at high risk of becoming victims of trafficking are runaways, children with a history of abuse, and migrant children. Internationally, cases of child trafficking are increasing the most in Europe, which is likely the result of the current migration crisis. In crises, preventing and combating human trafficking needs to be prioritized, considering that the aims of humanitarian action include saving lives, easing suffering and preserving human dignity...
November 4, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29153976/image-based-ex-vivo-drug-screening-for-patients-with-aggressive-haematological-malignancies-interim-results-from-a-single-arm-open-label-pilot-study
#4
Berend Snijder, Gregory I Vladimer, Nikolaus Krall, Katsuhiro Miura, Ann-Sofie Schmolke, Christoph Kornauth, Oscar Lopez de la Fuente, Hye-Soo Choi, Emiel van der Kouwe, Sinan Gültekin, Lukas Kazianka, Johannes W Bigenzahn, Gregor Hoermann, Nicole Prutsch, Olaf Merkel, Anna Ringler, Monika Sabler, Georg Jeryczynski, Marius E Mayerhoefer, Ingrid Simonitsch-Klupp, Katharina Ocko, Franz Felberbauer, Leonhard Müllauer, Gerald W Prager, Belgin Korkmaz, Lukas Kenner, Wolfgang R Sperr, Robert Kralovics, Heinz Gisslinger, Peter Valent, Stefan Kubicek, Ulrich Jäger, Philipp B Staber, Giulio Superti-Furga
BACKGROUND: Patients with refractory or relapsed haematological malignancies have few treatment options and short survival times. Identification of effective therapies with genomic-based precision medicine is hampered by intratumour heterogeneity and incomplete understanding of the contribution of various mutations within specific cancer phenotypes. Ex-vivo drug-response profiling in patient biopsies might aid effective treatment identification; however, proof of its clinical utility is limited...
November 15, 2017: Lancet Haematology
https://www.readbyqxmd.com/read/29153315/what-are-the-keys-to-a-longer-happier-life-answers-from-five-decades-of-health-psychology-research
#5
Blair T Johnson, Rebecca L Acabchuk
RATIONALE: It has long been known that factors of the mind and of interpersonal relationships influence health, but it is only in the last 50 years that an independent scientific field of health psychology appeared, dedicated to understanding psychological and behavioral processes in health, illness, and healthcare. OBJECTIVE AND METHOD: This article (a) reviews important research that answers the question of how human beings can have longer, happier lives; and (b) highlights trends in health psychology featuring articles in Social Science & Medicine as well as other related literature...
November 4, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/29153174/a-100-year-review-animal-welfare-in-the-journal-of-dairy-science-the-first-100-years
#6
Marina A G von Keyserlingk, Daniel M Weary
This paper outlines the history and development of research in the area of animal welfare as reflected in the 100 yr that the Journal of Dairy Science has been published. The first paper using the term "animal welfare" was published in 1983; since then (to May 2017), 244 papers that reflect growing interest regarding how farm animals are cared for have been published. Much of the scientific work to date has focused on issues related to cow health, such as lameness, and methodologically many papers use behavioral measures...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29153172/a-100-year-review-metabolic-health-indicators-and-management-of-dairy-cattle
#7
T R Overton, J A A McArt, D V Nydam
Our aim in this Journal of Dairy Science centennial review is to describe the evolution of focus on metabolic indicators, from discovery and description to evaluation at the individual cow and subsequently herd levels, over the past 100 yr. Furthermore, we discuss current and future technologies that will be used in the dairy industry to utilize these indicators widely going forward. Knowledge of chemical changes in various fluids (e.g., blood, urine, and milk) accompanying numerous metabolic disease states in the dairy cow has existed since almost the beginning of the Journal of Dairy Science 100 yr ago...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29153165/a-100-year-review-historical-development-of-female-reproductive-physiology-in-dairy-cattle
#8
William W Thatcher
The objective of this historical review in female reproductive physiology is to encapsulate major advancements since the founding of the American Dairy Science Association in 1906. The emphasis is on landmark publications in the Journal of Dairy Science since its first volume in 1917. A historical perspective and inferences are made in forecasting evolution of female reproduction and links between physiology of reproduction and the mammary gland. Subsequent sections are focused into main physiological categories and the temporal advancements within these physiological windows...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29152761/loneliness-and-acute-stress-reactivity-a-systematic-review-of-psychophysiological-studies
#9
REVIEW
Eoin G Brown, Stephen Gallagher, Ann-Marie Creaven
Physiological reactivity to acute stress has been proposed as a potential biological mechanism by which loneliness may lead to negative health outcomes such as cardiovascular disease. This review was conducted to investigate the association between loneliness and physiological responses to acute stress. A series of electronic databases were systematically searched (PsycARTICLES, PsycINFO, Medline, CINAHL Plus, EBSCOhost, PubMed, SCOPUS, Web of Science, Science Direct) for relevant studies, published up to October 2016...
November 20, 2017: Psychophysiology
https://www.readbyqxmd.com/read/29151844/pym-a-new-affordable-image-based-method-using-a-raspberry-pi-to-phenotype-plant-leaf-area-in-a-wide-diversity-of-environments
#10
Benoît Valle, Thierry Simonneau, Romain Boulord, Francis Sourd, Thibault Frisson, Maxime Ryckewaert, Philippe Hamard, Nicolas Brichet, Myriam Dauzat, Angélique Christophe
Background: Plant science uses increasing amounts of phenotypic data to unravel the complex interactions between biological systems and their variable environments. Originally, phenotyping approaches were limited by manual, often destructive operations, causing large errors. Plant imaging emerged as a viable alternative allowing non-invasive and automated data acquisition. Several procedures based on image analysis were developed to monitor leaf growth as a major phenotyping target. However, in most proposals, a time-consuming parameterization of the analysis pipeline is required to handle variable conditions between images, particularly in the field due to unstable light and interferences with soil surface or weeds...
2017: Plant Methods
https://www.readbyqxmd.com/read/29151574/machine-learning-meets-complex-networks-via-coalescent-embedding-in-the-hyperbolic-space
#11
Alessandro Muscoloni, Josephine Maria Thomas, Sara Ciucci, Ginestra Bianconi, Carlo Vittorio Cannistraci
Physicists recently observed that realistic complex networks emerge as discrete samples from a continuous hyperbolic geometry enclosed in a circle: the radius represents the node centrality and the angular displacement between two nodes resembles their topological proximity. The hyperbolic circle aims to become a universal space of representation and analysis of many real networks. Yet, inferring the angular coordinates to map a real network back to its latent geometry remains a challenging inverse problem...
November 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/29151208/strategies-for-efficient-sample-preparation-for-dynamic-nuclear-polarization-solid-state-nmr-of-biological-macromolecules
#12
Boris Itin, Ivan V Sergeyev
Solid-state NMR (SSNMR) is a powerful tool for the elucidation of structure and dynamics in biological macromolecules. Over the years, SSNMR spectroscopists have developed an array of techniques enabling the measurement of internuclear correlations, distances, and torsional angles; these have been applied to the study of a number of biological systems that are difficult to study by X-ray crystallography and solution NMR, including key biological targets such as membrane proteins and amyloid fibrils. Applications of SSNMR to other topic areas, including materials science, pharmaceuticals, and small molecules, have also flourished in recent years...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29151202/nmr-of-macromolecular-assemblies-and-machines-at-1-ghz-and-beyond-new-transformative-opportunities-for-molecular-structural-biology
#13
Caitlin M Quinn, Mingzhang Wang, Tatyana Polenova
As a result of profound gains in sensitivity and resolution afforded by ultrahigh magnetic fields, transformative applications in the fields of structural biology and materials science are being realized. The development of dual low temperature superconducting (LTS)/high-temperature superconducting (HTS) magnets has enabled the achievement of magnetic fields above 1 GHz (23.5 T), which will open doors to an unprecedented new range of applications. In this contribution, we discuss the promise of ultrahigh field magnetic resonance...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29150402/network-science-of-biological-systems-at-different-scales-a-review
#14
REVIEW
Marko Gosak, Rene Markovič, Jurij Dolenšek, Marjan Slak Rupnik, Marko Marhl, Andraž Stožer, Matjaž Perc
Network science is today established as a backbone for description of structure and function of various physical, chemical, biological, technological, and social systems. Here we review recent advances in the study of complex biological systems that were inspired and enabled by methods of network science. First, we present research highlights ranging from determination of the molecular interaction network within a cell to studies of architectural and functional properties of brain networks and biological transportation networks...
November 3, 2017: Physics of Life Reviews
https://www.readbyqxmd.com/read/29149746/habitat-mosaics-and-path-analysis-can-improve-biological-conservation-of-aquatic-biodiversity-in-ecosystems-with-low-head-dams
#15
Sean M Hitchman, Martha E Mather, Joseph M Smith, Jane S Fencl
Conserving native biodiversity depends on restoring functional habitats in the face of human-induced disturbances. Low-head dams are a ubiquitous human impact that degrades aquatic ecosystems worldwide. To improve our understanding of how low-head dams impact habitat and associated biodiversity, our research examined complex interactions among three spheres of the total environment. i.e., how low-head dams (anthroposphere) affect aquatic habitat (hydrosphere), and native biodiversity (biosphere) in streams and rivers...
November 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29149368/dietary-guidance-for-lutein-consideration-for-intake-recommendations-is-scientifically-supported
#16
Katherine M Ranard, Sookyoung Jeon, Emily S Mohn, James C Griffiths, Elizabeth J Johnson, John W Erdman
Lutein, a yellow xanthophyll carotenoid found in egg yolks and many colorful fruits and vegetables, has gained public health interest for its putative role in visual performance and reducing the risk of age-related macular degeneration. The National Academies of Sciences, Engineering and Medicine's recommended Dietary Reference Intakes (DRIs) focus on preventing deficiency and toxicity, but there is a budding interest in establishing DRI-like guidelines for non-essential bioactives, like lutein, that promote optimal health and/or prevent chronic diseases...
November 17, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29149278/interdisciplinary-stem-education-reform-dishing-out-art-in-a-microbiology-laboratory
#17
Sarah J Adkins, Rachel K Rock, J Jeffrey Morris
In the modern educational framework, life science and visual art are usually presented as mutually exclusive subjects. Despite this perceived disciplinary contrast, visual art has the ability to engage and provoke students in ways that can have important downstream effects on scientific discovery, especially when applied in a practical setting such as a laboratory course. This review broadly examines the benefit of interdisciplinary fusions of science and art as well as recent ways in which art strategies have been used in undergraduate biology classrooms...
November 15, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/29149039/growth-of-anisotropic-gold-nanoparticle-assemblies-via-liposome-fusion
#18
Kouta Sugikawa, Tatsuya Kadota, Kotaro Matsuo, Kazuma Yasuhara, Atsushi Ikeda
Anisotropic assembly of nanoparticles (NPs) has attracted extensive attention because of the potential applications in materials science, biology, and medicine. However, assembly control (e.g., the number of assembled NPs) has not been adequately studied. Here, the growth of anisotropic gold NP assemblies on a liposome surface is reported. Citrate-coated gold NPs adsorbed on liposome surfaces were assembled in one dimension at temperatures above the phase transition temperature of the lipid bilayer. Growth of the anisotropic assemblies depended on the heating time...
November 17, 2017: Materials
https://www.readbyqxmd.com/read/29148148/an-integrative-translational-approach-to-study-heart-failure-with-preserved-ejection-fraction-a-position-paper-from-the-working-group-on-myocardial-function-of-the-european-society-of-cardiology
#19
REVIEW
Andre P Lourenço, Adelino F Leite-Moreira, Jean-Luc Balligand, Johann Bauersachs, Dana Dawson, Rudolf A de Boer, Leon J de Windt, Inês Falcão-Pires, Ricardo Fontes-Carvalho, Stefan Franz, Mauro Giacca, Denise Hilfiker-Kleiner, Emilio Hirsch, Christoph Maack, Manuel Mayr, Burkert Pieske, Thomas Thum, Carlo G Tocchetti, Dirk L Brutsaert, Stephane Heymans
As heart failure with preserved ejection fraction (HFpEF) rises to epidemic proportions, major steps in patient management and therapeutic development are badly needed. With the current position paper we seek to update our view on HFpEF as a highly complex systemic syndrome, from risk factors and mechanisms to long-term clinical manifestations. We will revise recent advances in animal model development, experimental set-ups and basic and translational science approaches to HFpEF research, highlighting their drawbacks and advantages...
November 16, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29148112/big-data-and-data-science-in-healthcare-what-nurses-and-midwives-need-to-know
#20
EDITORIAL
Siobhan O'Connor
The evolution of technology in contemporary society has been accelerating in recent decades, with smaller, more interconnected hardware devices and software applications becoming the norm. As desktop computing paved the way for mobile platforms, which are now transitioning to wearable devices and other sensors, it is inevitable these electronic tools will advance into the realm of nanotechnology and biotechnology in the years to come. As the proliferation of information and communication technology continues it has led to a tsunami of digital data (Bates et al, 2014), which is being collected on many aspects of life...
November 17, 2017: Journal of Clinical Nursing
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