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https://www.readbyqxmd.com/read/28635956/self-assembled-three-dimensional-network-designs-for-soft-electronics
#1
Kyung-In Jang, Kan Li, Ha Uk Chung, Sheng Xu, Han Na Jung, Yiyuan Yang, Jean Won Kwak, Han Hee Jung, Juwon Song, Ce Yang, Ao Wang, Zhuangjian Liu, Jong Yoon Lee, Bong Hoon Kim, Jae-Hwan Kim, Jungyup Lee, Yongjoon Yu, Bum Jun Kim, Hokyung Jang, Ki Jun Yu, Jeonghyun Kim, Jung Woo Lee, Jae-Woong Jeong, Young Min Song, Yonggang Huang, Yihui Zhang, John A Rogers
Low modulus, compliant systems of sensors, circuits and radios designed to intimately interface with the soft tissues of the human body are of growing interest, due to their emerging applications in continuous, clinical-quality health monitors and advanced, bioelectronic therapeutics. Although recent research establishes various materials and mechanics concepts for such technologies, all existing approaches involve simple, two-dimensional (2D) layouts in the constituent micro-components and interconnects. Here we introduce concepts in three-dimensional (3D) architectures that bypass important engineering constraints and performance limitations set by traditional, 2D designs...
June 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28634201/phosphoproteomic-profiling-reveals-alk-and-met-as-novel-actionable-targets-across-synovial-sarcoma-subtypes
#2
Emmy D G Fleuren, Myrella Vlenterie, Winette van der Graaf, Melissa H S Hillebrandt-Roeffen, James Blackburn, Xiuquan Ma, Howard Chan, Mandy C Magias, Anke van Erp, Laurens van Houdt, Sabri Cebeci, Amy van de Ven, Uta E Flucke, Erin E Heyer, David M Thomas, Christopher J Lord, Kieren D Marini, Vijesh Vaghjiani, Tim Mercer, Jason E Cain, Jianmin Wu, Yvonne M H Versleijen-Jonkers, Roger J Daly
Despite intensive multi-modal treatment of sarcomas, a heterogeneous group of malignant tumors arising from connective tissue, survival remains poor. Candidate-based targeted treatments have demonstrated limited clinical success, urging an unbiased and comprehensive analysis of oncogenic signaling networks to reveal therapeutic targets and personalized treatment strategies. Here we applied mass spectrometry-based phosphoproteomic profiling to the largest and most heterogeneous set of sarcoma cell lines characterized to date and identified novel tyrosine phosphorylation patterns, enhanced tyrosine kinases in specific subtypes, and potential driver kinases...
June 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28633640/biological-mechanisms-discriminating-growth-rate-and-adult-body-weight-phenotypes-in-two-chinese-indigenous-chicken-breeds
#3
Tengfei Dou, Sumei Zhao, Hua Rong, Dahai Gu, Qihua Li, Ying Huang, Zhiqiang Xu, Xiaohui Chu, Linli Tao, Lixian Liu, Changrong Ge, Marinus F W Te Pas, Junjing Jia
BACKGROUND: Intensive selection has resulted in increased growth rates and muscularity in broiler chickens, in addition to adverse effects, including delayed organ development, sudden death syndrome, and altered metabolic rates. The biological mechanisms underlying selection responses remain largely unknown. Non-artificially-selected indigenous Chinese chicken breeds display a wide variety of phenotypes, including differential growth rate, body weight, and muscularity. The Wuding chicken breed is a fast growing large chicken breed, and the Daweishan mini chicken breed is a slow growing small chicken breed...
June 20, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28633295/long-cold-exposure-induces-transcriptional-and-biochemical-remodelling-of-xylem-secondary-cell-wall-in-eucalyptus
#4
Raphael Ployet, Marçal Soler, Victor Carocha, Nathalie Ladouce, Ana Alves, José-Carlos Rodrigues, Luc Harvengt, Christiane Marque, Chantal Teulières, Jacqueline Grima-Pettenati, Fabien Mounet
Although eucalypts are the most planted hardwood trees worldwide, the majority of them are frost sensitive. The recent creation of frost-tolerant hybrids such as Eucalyptus gundal plants (E. gunnii × E. dalrympleana hybrids), now enables the development of industrial plantations in northern countries. Our objective was to evaluate the impact of cold on the wood structure and composition of these hybrids, and on the biosynthetic and regulatory processes controlling their secondary cell-wall (SCW) formation...
June 13, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28633164/ann-prediction-of-ligament-stiffnesses-for-the-enhanced-predictive-ability-of-a-patient-specific-computational-foot-ankle-model
#5
Ruchi Chande, Jennifer S Wayne
Computational models of diarthrodial joints serve to inform the biomechanical function of these structures, and as such, must be supplied appropriate inputs for performance that is representative of actual joint function. Inputs for these models are sourced from both imaging modalities as well as literature. The latter is often the source of mechanical properties for soft tissues, like ligament stiffnesses; however, such data is not always available for all soft tissues nor is it known for patient specific work...
June 20, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28631377/state-of-the-art-technologies-to-explore-long-non-coding-rnas-in-cancer
#6
REVIEW
Saeede Salehi, Mohammad Naser Taheri, Negar Azarpira, Abdolhossein Zare, Abbas Behzad-Behbahani
Long non-coding RNAs (lncRNAs) comprise a vast repertoire of RNAs playing a wide variety of crucial roles in tissue physiology in a cell-specific manner. Despite being engaged in myriads of regulatory mechanisms, many lncRNAs have still remained to be assigned any functions. A constellation of experimental techniques including single-molecule RNA in situ hybridization (sm-RNA FISH), cross-linking and immunoprecipitation (CLIP), RNA interference (RNAi), Clustered regularly interspaced short palindromic repeats (CRISPR) and so forth has been employed to shed light on lncRNA cellular localization, structure, interaction networks and functions...
June 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28630894/next-generation-probes-particles-and-proteins-for-neural-interfacing
#7
REVIEW
Jonathan Rivnay, Huiliang Wang, Lief Fenno, Karl Deisseroth, George G Malliaras
Bidirectional interfacing with the nervous system enables neuroscience research, diagnosis, and therapy. This two-way communication allows us to monitor the state of the brain and its composite networks and cells as well as to influence them to treat disease or repair/restore sensory or motor function. To provide the most stable and effective interface, the tools of the trade must bridge the soft, ion-rich, and evolving nature of neural tissue with the largely rigid, static realm of microelectronics and medical instruments that allow for readout, analysis, and/or control...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28630873/an-integrative-developmental-genomics-and-systems-biology-approach-to-identify-an-in-vivo-sox-trio-mediated-gene-regulatory-network-in-murine-embryos
#8
Wenqing Jean Lee, Sumantra Chatterjee, Sook Peng Yap, Siew Lan Lim, Xing Xing, Petra Kraus, Wenjie Sun, Xiaoming Hu, V Sivakamasundari, Hsiao Yun Chan, Prasanna R Kolatkar, Shyam Prabhakar, Thomas Lufkin
Embryogenesis is an intricate process involving multiple genes and pathways. Some of the key transcription factors controlling specific cell types are the Sox trio, namely, Sox5, Sox6, and Sox9, which play crucial roles in organogenesis working in a concerted manner. Much however still needs to be learned about their combinatorial roles during this process. A developmental genomics and systems biology approach offers to complement the reductionist methodology of current developmental biology and provide a more comprehensive and integrated view of the interrelationships of complex regulatory networks that occur during organogenesis...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28627758/spectral-library-based-glycopeptide-analysis-detection-of-circulating-galectin-3-binding-protein-in-pancreatic-cancer
#9
Eslam N Nigjeh, Ru Chen, Yasuko Allen-Tamura, Randall E Brand, Teresa A Brentnall, Sheng Pan
PURPOSE: Pancreatic ductal adenocarcinoma (PDAC) is a lethal disease characterized by its late diagnosis, poor prognosis and rapid development of drug resistance. Using the data independent acquisition (DIA) technique, we applied a spectral library-based proteomic approach to analyze N-glycosylated peptides in human plasma, in the context of pancreatic cancer study. EXPERIMENTAL DESIGN: We extended the application of DIA to the quantification of N-glycosylated peptides enriched from plasma specimens from a clinically well-defined cohort that consists of patients with early stage PDAC, chronic pancreatitis and healthy subjects...
June 19, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28627752/patterning-on-topography-for-generation-of-cell-culture-substrates-with-independent-nanoscale-control-of-chemical-and-topographical-extracellular-matrix-cues
#10
Emily N Sevcik, John M Szymanski, Quentin Jallerat, Adam W Feinberg
The cell microenvironment plays an important role in many biological processes, including development and disease progression. Key to this is the extracellular matrix (ECM), a complex biopolymer network serving as the primary insoluble signaling network for physical, chemical, and mechanical cues. In vitro, the ability to engineer the ECM at the micro- and nanoscales is a critical tool to systematically interrogate the influence of ECM properties on cellular responses. Specifically, both topographical and chemical surface patterning has been shown to direct cell alignment and tissue architecture on biomaterial surfaces, however, it has proven challenging to independently control these surface properties...
June 19, 2017: Current Protocols in Cell Biology
https://www.readbyqxmd.com/read/28627520/unique-aspects-of-the-perinatal-immune-system
#11
REVIEW
Xiaoming Zhang, Dania Zhivaki, Richard Lo-Man
The early stages of life are associated with increased susceptibility to infection, which is in part due to an ineffective immune system. In the context of infection, the immune system must be stimulated to provide efficient protection while avoiding insufficient or excessive activation. Yet, in early life, age-dependent immune regulation at molecular and cellular levels contributes to a reduced immunological fitness in terms of pathogen clearance and response to vaccines. To enable microbial colonization to be tolerated at birth, epigenetic immune cell programming and early life-specific immune regulatory and effector mechanisms ensure that vital functions and organ development are supported and that tissue damage is avoided...
June 19, 2017: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/28625053/annotation-of-the-domestic-pig-genome-by-quantitative-proteogenomics
#12
Harald Marx, Hannes Hahne, Susanne E Ulbrich, Angelika Schnieke, Oswald Rottmann, Dimitrij Frishman, Bernhard Kuster
The pig is one of the earliest domesticated animals in the history of human civilization and represents one of the most important livestock animals. The recent sequencing of the Sus scrofa genome was a major step towards the comprehensive understanding of porcine biology, evolution and its utility as a promising large animal model for biomedical and xenotransplantation research. However, the functional and structural annotation of the Sus scrofa genome is far from complete. Here, we present mass spectrometry-based quantitative proteomics data of nine juvenile organs and six embryonic stages between 18 to 39 days after gestation...
June 19, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28624497/new-paradigms-for-the-hedgehog-signaling-network-in-mammary-gland-development-and-breast-cancer
#13
REVIEW
Teresa Monkkonen, Michael T Lewis
The Hedgehog signaling network regulates organogenesis, cell fate, proliferation, survival, and stem cell self-renewal in many mammalian tissues. Aberrant activation of the Hedgehog signaling network is present in ~25% of all cancers, including breast. Altered expression of Hedgehog network genes in the mammary gland can elicit phenotypes at many stages of development. However, synthesizing a cohesive mechanistic model of signaling at different stages of development has been difficult. Emerging data suggest that this difficulty is due, in part, to non-canonical and tissue compartment-specific (i...
June 14, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28620889/levels-of-microrna-heterogeneity-in-cancer-biology
#14
REVIEW
Nina Petrovic, Sercan Ergün, Esma R Isenovic
MicroRNAs (miRNAs) are post-transcriptional regulators of gene expression, involved in the silencing of messenger RNA (mRNA) translation. The importance of miRNA signatures in disease screening, prognosis, and progression of different tumor types and subtypes is increasing. miRNA expression levels change depending on numerous factors. In this review, we are describing the circumstances under which miRNA levels can change, these are named 'levels' of heterogeneity of miRNAs. miRNAs can have oncogenic, tumor suppressive, or both roles depending on tumor type and target mRNA whose translation they silence...
June 15, 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28619727/rna-seq-implicates-deregulation-of-the-immune-system-in-the-pathogenesis-of-diverticulitis
#15
Kathleen M Schieffer, Christine S Choi, Scott Emrich, Leonard Harris, Sue Deiling, Dipti M Karamchandani, Anna Salzberg, Yuka I Kawasawa, Gregory S Yochum, Walter A Koltun
Individuals with diverticula or outpouchings of the colonic mucosa and submucosa through the colonic wall have diverticulosis, which is usually asymptomatic. In 10-25% of individuals, the diverticula become inflamed, resulting in diverticulitis. Very little is known about the pathophysiology or gene regulatory pathways involved in the development of diverticulitis. To identify these pathways, we deep sequenced RNAs isolated from full-thickness sections of sigmoid colon from diverticulitis patients and control individuals...
June 15, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28611571/exosomes-and-homeostatic-synaptic-plasticity-are-linked-to-each-other-and-to-huntington-s-parkinson-s-and-other-neurodegenerative-diseases-by-database-enabled-analyses-of-comprehensively-curated-datasets
#16
James K T Wang, Peter Langfelder, Steve Horvath, Michael J Palazzolo
Huntington's disease (HD) is a progressive and autosomal dominant neurodegeneration caused by CAG expansion in the huntingtin gene (HTT), but the pathophysiological mechanism of mutant HTT (mHTT) remains unclear. To study HD using systems biological methodologies on all published data, we undertook the first comprehensive curation of two key PubMed HD datasets: perturbation genes that impact mHTT-driven endpoints and therefore are putatively linked causally to pathogenic mechanisms, and the protein interactome of HTT that reflects its biology...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28608822/the-good-the-bad-and-the-ugly-of-glycosaminoglycans-in-tissue-engineering-applications
#17
REVIEW
Bethanie I Ayerst, Catherine L R Merry, Anthony J Day
High sulfation, low cost, and the status of heparin as an already FDA- and EMA- approved product, mean that its inclusion in tissue engineering (TE) strategies is becoming increasingly popular. However, the use of heparin may represent a naïve approach. This is because tissue formation is a highly orchestrated process, involving the temporal expression of numerous growth factors and complex signaling networks. While heparin may enhance the retention and activity of certain growth factors under particular conditions, its binding 'promiscuity' means that it may also inhibit other factors that, for example, play an important role in tissue maintenance and repair...
June 13, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28608414/use-of-lecithin-to-control-fibre-morphology-in-electrospun-poly-%C3%AE%C2%B5-caprolactone-scaffolds-for-improved-tissue-engineering-applications
#18
Benjamin D M Coverdale, Julie E Gough, William W Sampson, Judith A Hoyland
We elucidate the effects of incorporating surfactants into electrospun poly (ε-caprolactone) (PCL) scaffolds on network homogeneity, cellular adherence and osteogenic differentiation. Lecithin was added with a range of concentrations to PCL solutions, which were electrospun to yield functionalised scaffolds. Addition of lecithin yielded a dose-dependent reduction in scaffold hydrophobicity, whilst reducing fibre width and hence increasing specific surface area. These changes in scaffold morphology were associated with increased cellular attachment of Saos-2 osteoblasts 3-hours post-seeding...
June 12, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28607076/functional-proteogenomics-reveals-biomarkers-and-therapeutic-targets-in-lymphomas
#19
Delphine C M Rolland, Venkatesha Basrur, Yoon-Kyung Jeon, Carla McNeil-Schwalm, Damian Fermin, Kevin P Conlon, Yeqiao Zhou, Samuel Y Ng, Chih-Chiang Tsou, Noah A Brown, Dafydd G Thomas, Nathanael G Bailey, Gilbert S Omenn, Alexey I Nesvizhskii, David E Root, David M Weinstock, Robert B Faryabi, Megan S Lim, Kojo S J Elenitoba-Johnson
Identification of biomarkers and therapeutic targets is a critical goal of precision medicine. N-glycoproteins are a particularly attractive class of proteins that constitute potential cancer biomarkers and therapeutic targets for small molecules, antibodies, and cellular therapies. Using mass spectrometry (MS), we generated a compendium of 1,091 N-glycoproteins (from 40 human primary lymphomas and cell lines). Hierarchical clustering revealed distinct subtype signatures that included several subtype-specific biomarkers...
June 20, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28606124/remodeling-adipose-tissue-through-in-silico-modulation-of-fat-storage-for-the-prevention-of-type-2-diabetes
#20
Thierry Chénard, Frédéric Guénard, Marie-Claude Vohl, André Carpentier, André Tchernof, Rafael J Najmanovich
BACKGROUND: Type 2 diabetes is one of the leading non-infectious diseases worldwide and closely relates to excess adipose tissue accumulation as seen in obesity. Specifically, hypertrophic expansion of adipose tissues is related to increased cardiometabolic risk leading to type 2 diabetes. Studying mechanisms underlying adipocyte hypertrophy could lead to the identification of potential targets for the treatment of these conditions. RESULTS: We present iTC1390adip, a highly curated metabolic network of the human adipocyte presenting various improvements over the previously published iAdipocytes1809...
June 12, 2017: BMC Systems Biology
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