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https://www.readbyqxmd.com/read/29334376/positively-selected-enhancer-elements-endow-osteosarcoma-cells-with-metastatic-competence
#1
James J Morrow, Ian Bayles, Alister P W Funnell, Tyler E Miller, Alina Saiakhova, Michael M Lizardo, Cynthia F Bartels, Maaike Y Kapteijn, Stevephen Hung, Arnulfo Mendoza, Gursimran Dhillon, Daniel R Chee, Jay T Myers, Frederick Allen, Marco Gambarotti, Alberto Righi, Analisa DiFeo, Brian P Rubin, Alex Y Huang, Paul S Meltzer, Lee J Helman, Piero Picci, Henri Versteeg, John Stamatoyannopolus, Chand Khanna, Peter C Scacheri
Metastasis results from a complex set of traits acquired by tumor cells, distinct from those necessary for tumorigenesis. Here, we investigate the contribution of enhancer elements to the metastatic phenotype of osteosarcoma. Through epigenomic profiling, we identify substantial differences in enhancer activity between primary and metastatic human tumors and between near isogenic pairs of highly lung metastatic and nonmetastatic osteosarcoma cell lines. We term these regions metastatic variant enhancer loci (Met-VELs)...
January 15, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29334220/computational-design-synthesis-and-structure-property-evaluation-of-1-3-thiazole-based-colour-tunable-multiheterocyclic-small-organic-fluorophores-as-multifunctional-molecular-materials
#2
Rakesh Radhakrishnan, Kumaran G Sreejalekshmi
Probing chemical space of luminescent organic materials built on novel cores is highly imperative for its potential to expand the horizons of advanced functional materials. Small organic fluorophores possessing therapeutic traits can contribute to theranostics. We coupled computational and classical synthetic chemistry strategies for the rational design of 5-(hetero-2-yl)-1,3-thiazoles as colour tunable fluorophore core. With the aid of DFT and TD-DFT, we prove multiheterocyclic system built on thiazole-het core with three inherent tunable sites on thiazole (C2, C4 and C5) capable of accommodating panoply of substituents, as a multifunctional molecular materials' platform...
January 15, 2018: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29333587/genetic-characterization-and-modification-of-a-bioethanol-producing-yeast-strain
#3
Ke Zhang, Ya-Nan Di, Lei Qi, Yang Sui, Ting-Yu Wang, Li Fan, Zhen-Mei Lv, Xue-Chang Wu, Pin-Mei Wang, Dao-Qiong Zheng
Yeast Saccharomyces cerevisiae strains isolated from different sources generally show extensive genetic and phenotypic diversity. Understanding how genomic variations influence phenotypes is important for developing strategies with improved economic traits. The diploid S. cerevisiae strain NY1308 is used for cellulosic bioethanol production. Whole genome sequencing identified an extensive amount of single nucleotide variations and small insertions/deletions in the genome of NY1308 compared with the S288c genome...
January 15, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29333574/unique-metabolic-activation-of-adipose-tissue-macrophages-in-obesity-promotes-inflammatory-responses
#4
Lily Boutens, Guido J Hooiveld, Sourabh Dhingra, Robert A Cramer, Mihai G Netea, Rinke Stienstra
AIMS/HYPOTHESIS: Recent studies have identified intracellular metabolism as a fundamental determinant of macrophage function. In obesity, proinflammatory macrophages accumulate in adipose tissue and trigger chronic low-grade inflammation, that promotes the development of systemic insulin resistance, yet changes in their intracellular energy metabolism are currently unknown. We therefore set out to study metabolic signatures of adipose tissue macrophages (ATMs) in lean and obese conditions...
January 14, 2018: Diabetologia
https://www.readbyqxmd.com/read/29333270/lessons-from-ten-years-of-genome-wide-association-studies-of-asthma
#5
REVIEW
Cristina T Vicente, Joana A Revez, Manuel A R Ferreira
Twenty-five genome-wide association studies (GWAS) of asthma were published between 2007 and 2016, the largest with a sample size of 157242 individuals. Across these studies, 39 genetic variants in low linkage disequilibrium (LD) with each other were reported to associate with disease risk at a significance threshold of P<5 × 10-8, including 31 in populations of European ancestry. Results from analyses of the UK Biobank data (n=380 503) indicate that at least 28 of the 31 associations reported in Europeans represent true-positive findings, collectively explaining 2...
December 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/29333264/how-anthropogenic-shifts-in-plant-community-composition-alter-soil-food-webs
#6
REVIEW
Paul Kardol, Jonathan R De Long
There are great concerns about the impacts of soil biodiversity loss on ecosystem functions and services such as nutrient cycling, food production, and carbon storage. A diverse community of soil organisms that together comprise a complex food web mediates such ecosystem functions and services. Recent advances have shed light on the key drivers of soil food web structure, but a conceptual integration is lacking. Here, we explore how human-induced changes in plant community composition influence soil food webs...
2018: F1000Research
https://www.readbyqxmd.com/read/29331075/an-examination-of-the-clinical-outcomes-of-adolescents-and-young-adults-with-broad-autism-spectrum-traits-and-autism-spectrum-disorder-and-anorexia-nervosa-a-multi-centre-study
#7
Bruno Palazzo Nazar, Vanessa Peynenburg, Charlotte Rhind, Rebecca Hibbs, Ulrike Schmidt, Simon Gowers, Pamela Macdonald, Elizabeth Goddard, Gillian Todd, Nadia Micali, Janet Treasure
OBJECTIVES: To compare the clinical outcomes of adolescents and young adults with anorexia nervosa (AN) comorbid with broad autism spectrum disorder (ASD) or ASD traits. METHOD: The developmental and well-being assessment and social aptitude scale were used to categorize adolescents and young adults with AN (N = 149) into those with ASD traits (N = 23), and those who also fulfilled diagnostic criteria for a possible/probable ASD (N = 6). We compared both eating disorders specific measures and broader outcome measures at intake and 12 months follow-up...
January 13, 2018: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/29330958/do-muscles-constrain-skull-shape-evolution-in-strepsirrhines
#8
Anne-Claire Fabre, Jonathan M G Perry, Adam Hartstone-Rose, AuróLien Lowie, Andy Boens, MaÏtena Dumont
Despite great interest and decades of research, the musculoskeletal relationships of the masticatory system in primates are still not fully understood. However, without a clear understanding of the interplay between muscles and bones it remains difficult to understand the functional significance of morphological traits of the skeleton. Here, we aim to study the impacts of the masticatory muscles on the shape of the cranium and the mandible as well as their co-variation in strepsirrhine primates. To do so, we use 3D geometric morphometric approaches to assess the shape of each bone of the skull of 20 species for which muscle data are available in the literature...
February 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29330955/intrinsic-constraints-on-the-diversification-of-neotropical-cichlid-adductor-mandibulae-size
#9
Jessica Arbour, Hernán López-Fernández
The diversification of functional traits may be constrained by intrinsic factors, such as structural, mechanical, developmental, or physiological limitations. We explored the biomechanical and constructional constraints on the size of the major jaw closing muscles, the adductor mandibulae complex (AM), in a diverse clade of freshwater fish - the Neotropical cichlids. Using phylogenetic comparative methods, we contrasted patterns of size variation and diversification rates of three AM divisions with variables describing head size and biomechanical coefficients describing force and velocity transmission...
February 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29330953/jaw-dropping-functional-variation-in-the-digastric-muscle-in-bats
#10
Abigail A Curtis, Sharlene E Santana
Diet and feeding behavior in mammals is strongly linked to the morphology of their feeding apparatus. Cranio-muscular morphology determines how wide, forcefully, and quickly the jaw can be opened or closed, which limits the size and material properties of the foods that a mammal can eat. Most studies of feeding performance in mammals have focused on skull form and jaw muscles involved in generating bite force, but few explore how jaw abduction is related to feeding performance. In this study, we explored how the morphology of the digastric muscle, the primary jaw abducting muscle in mammals, and its jaw lever mechanics are related to diet in morphologically diverse noctilionoid bats...
February 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29329037/phloem-function-a-key-to-understanding-and-manipulating-plant-responses-to-rising-atmospheric-co2
#11
REVIEW
Elizabeth A Ainsworth, Pauline Lemonnier
Increasing atmospheric carbon dioxide concentration ([CO2]) directly stimulates photosynthesis and reduces stomatal conductance in C3 plants. Both of these physiological effects have the potential to alter phloem function at elevated [CO2]. Recent research has clearly established that photosynthetic capacity is correlated to vascular traits associated with phloem loading and water transport, but the effects of elevated [CO2] on these relationships are largely unexplored. Plants also employ different strategies for loading sucrose and other sugars into the phloem, and there is potential for species with different phloem loading strategies to respond differently to elevated [CO2]...
January 9, 2018: Current Opinion in Plant Biology
https://www.readbyqxmd.com/read/29328911/western-diet-triggers-nlrp3-dependent-innate-immune-reprogramming
#12
Anette Christ, Patrick Günther, Mario A R Lauterbach, Peter Duewell, Debjani Biswas, Karin Pelka, Claus J Scholz, Marije Oosting, Kristian Haendler, Kevin Baßler, Kathrin Klee, Jonas Schulte-Schrepping, Thomas Ulas, Simone J C F M Moorlag, Vinod Kumar, Min Hi Park, Leo A B Joosten, Laszlo A Groh, Niels P Riksen, Terje Espevik, Andreas Schlitzer, Yang Li, Michael L Fitzgerald, Mihai G Netea, Joachim L Schultze, Eicke Latz
Long-term epigenetic reprogramming of innate immune cells in response to microbes, also termed "trained immunity," causes prolonged altered cellular functionality to protect from secondary infections. Here, we investigated whether sterile triggers of inflammation induce trained immunity and thereby influence innate immune responses. Western diet (WD) feeding of Ldlr-/- mice induced systemic inflammation, which was undetectable in serum soon after mice were shifted back to a chow diet (CD). In contrast, myeloid cell responses toward innate stimuli remained broadly augmented...
January 11, 2018: Cell
https://www.readbyqxmd.com/read/29328907/weaving-new-insights-for-the-genetic-regulation-of-human-cognitive-phenotypes
#13
Bernard Mulvey, Joseph D Dougherty
Psychiatric genetic studies have drawn associations between human cognitive traits and noncoding genomic variants. However, the mechanistic effects of these variants are unclear. By weaving in strands of genomic data from developing human brains, de la Torre-Ubieta et al. tie disease-associated loci to functional enhancers, target genes, and putatively affected cell types.
January 11, 2018: Cell
https://www.readbyqxmd.com/read/29327279/emotion-recognition-and-psychological-comorbidity-in-friedreich-s-ataxia
#14
Teresa Costabile, Veronica Capretti, Filomena Abate, Agnese Liguori, Francesca Paciello, Chiara Pane, Anna De Rosa, Silvio Peluso, Giuseppe De Michele, Alessandro Filla, Francesco Saccà
Friedreich's ataxia (FRDA) is an autosomal recessive disease presenting with ataxia, corticospinal signs, peripheral neuropathy, and cardiac abnormalities. Little effort has been made to understand the psychological and emotional burden of the disease. The aim of our study was to measure patients' ability to recognize emotions using visual and non-verbal auditory hints, and to correlate this ability with psychological, neuropsychological, and neurological variables. We included 20 patients with FRDA, and 20 age, sex, and education matched healthy controls (HC)...
January 11, 2018: Cerebellum
https://www.readbyqxmd.com/read/29327173/personality-traits-patient-centered-health-status-and-prognosis-of-brain-tumor-patients
#15
Adomas Bunevicius
Personality traits can be related to prognosis of cancer patients. The study aimed to evaluate the association of big-five personality dimensions with emotional and cognitive health status, and prognosis of brain tumor patients. A total of 178 patients admitted for brain tumor surgery were evaluated for personality traits (Tem item Personality Inventory), depressive/anxiety symptoms (Hospital Anxiety and Depression Scale or HADS) and cognitive functioning (Mini Mental State Examination or MMSE) on admission...
January 11, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29326435/a-combined-analysis-of-genetically-correlated-traits-identifies-187-loci-and-a-role-for-neurogenesis-and-myelination-in-intelligence
#16
W D Hill, R E Marioni, O Maghzian, S J Ritchie, S P Hagenaars, A M McIntosh, C R Gale, G Davies, I J Deary
Intelligence, or general cognitive function, is phenotypically and genetically correlated with many traits, including a wide range of physical, and mental health variables. Education is strongly genetically correlated with intelligence (r g  = 0.70). We used these findings as foundations for our use of a novel approach-multi-trait analysis of genome-wide association studies (MTAG; Turley et al. 2017)-to combine two large genome-wide association studies (GWASs) of education and intelligence, increasing statistical power and resulting in the largest GWAS of intelligence yet reported...
January 11, 2018: Molecular Psychiatry
https://www.readbyqxmd.com/read/29326288/drosophila-big-bang-regulates-the-apical-cytocortex-and-wing-growth-through-junctional-tension
#17
Giorgos Tsoumpekos, Linda Nemetschke, Elisabeth Knust
Growth of epithelial tissues is regulated by a plethora of components, including signaling and scaffolding proteins, but also by junctional tension, mediated by the actomyosin cytoskeleton. However, how these players are spatially organized and functionally coordinated is not well understood. Here, we identify the Drosophila melanogaster scaffolding protein Big bang as a novel regulator of growth in epithelial cells of the wing disc by ensuring proper junctional tension. Loss of big bang results in the reduction of the regulatory light chain of nonmuscle myosin, Spaghetti squash...
January 11, 2018: Journal of Cell Biology
https://www.readbyqxmd.com/read/29325559/pangenome-analyses-of-the-wheat-pathogen-zymoseptoria-tritici-reveal-the-structural-basis-of-a-highly-plastic-eukaryotic-genome
#18
Clémence Plissonneau, Fanny E Hartmann, Daniel Croll
BACKGROUND: Structural variation contributes substantially to polymorphism within species. Chromosomal rearrangements that impact genes can lead to functional variation among individuals and influence the expression of phenotypic traits. Genomes of fungal pathogens show substantial chromosomal polymorphism that can drive virulence evolution on host plants. Assessing the adaptive significance of structural variation is challenging, because most studies rely on inferences based on a single reference genome sequence...
January 11, 2018: BMC Biology
https://www.readbyqxmd.com/read/29325492/illness-perception-is-significantly-determined-by-depression-and-anxiety-in-systemic-lupus-erythematosus
#19
K Nowicka-Sauer, A Hajduk, H Kujawska-Danecka, D Banaszkiewicz, Ż Smoleńska, Z Czuszyńska, J Siebert
Objectives Illness perception is a cognitive representation influencing physical and psychological functioning and adherence in patients with rheumatic disease. Studies exploring illness perception in systemic lupus erythematosus (SLE) are still scarce and none of them have investigated factors determining illness perception. We aimed to assess illness perception and to identify psychological, clinical and sociodemographic factors that might influence illness perception in SLE. Methods The study involved 80 patients with SLE (87...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29325128/relationship-between-twelve-adipocytokines-and-distinct-components-of-the-metabolic-syndrome
#20
Thomas Ebert, Claudia Gebhardt, Markus Scholz, Tobias Wohland, Dorit Schleinitz, Mathias Fasshauer, Matthias Blüher, Michael Stumvoll, Peter Kovacs, Anke Tönjes
Objective: Adipose tissue-derived signals potentially link obesity and adipose tissue dysfunction with metabolic and cardiovascular diseases. Although some adipocytokines have been closely related to metabolic and cardiovascular traits, it remains open which adipocytokine or adipocytokine cluster serve as meaningful marker of metabolic syndrome (MS) components. Therefore, this study investigates the associations of twelve adipocytokines with components of the MS to identify the most relevant cytokines potentially related to specific metabolic profiles...
January 9, 2018: Journal of Clinical Endocrinology and Metabolism
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