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https://www.readbyqxmd.com/read/28919007/on-the-importance-of-protein-diffusion-in-biological-systems-the-example-of-the-bicoid-morphogen-gradient
#1
REVIEW
Cécile Fradin
Morphogens are proteins that form concentration gradients in embryos and developing tissues, where they act as postal codes, providing cells with positional information and allowing them to behave accordingly. Bicoid was the first discovered morphogen, and remains one of the most studied. It regulates segmentation in flies, forming a striking exponential gradient along the anterior-posterior axis of early Drosophila embryos, and activating the transcription of multiple target genes in a concentration-dependent manner...
September 13, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28901268/nrg1-erbb-lost-in-translation-a-new-paradigm-for-lung-cancer
#2
Domenico Trombetta, Antonio Rossi, Federico Pio Fabrizio, A Sparaneo, Paolo Graziano, Vito Michele Fazio, Lucia Anna Muscarella
The ErbB network of receptor tyrosine kinases represents one of the best examples of how the understanding of molecular basis of tumor pathogenesis can give a significant improvement for patients treatment, suggesting new therapeutic options to overcome acquired treatment resistance. This amazing bridge between growth factor receptors and cancer has been consolidated during the last decades through the identification of many driver mutations in the gene key of the RTKs network. Unexpected molecular lesions of the NRG1 gene followed by an aberrant ErbB signaling were recently described as a new molecular features of non-small cell lung cancer, but it has been also sporadically reported in other tumors...
September 11, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28899306/the-living-experience-of-feeling-surprised
#3
Sandra Schmidt Bunkers
The purpose of this article is to report the finding of a Parse research method study on the universal living experience of feeling surprised. In dialogical engagement with the researcher, eight participants described the experience. The structure of the living experience of feeling surprised was found to be: Feeling surprised is stunning amazement arising with shifting fortunes, as delight amid despair surfaces with diverse involvements.
January 2017: Nursing Science Quarterly
https://www.readbyqxmd.com/read/28893535/down-regulate-of-djrfc2-causes-tissues-hypertrophy-during-planarian-regeneration
#4
Qi Guo, Guixia Zhao, Jiajia Ni, Yanan Guo, Yizhe Zhang, Qingnan Tian, Shoutao Zhang
Planarians are an ideal model organism for regeneration research due to their amazing ability to regenerate. DNA replication is crucial for genome stability. Replication factor C (RFC), which is a replication factor C-like complex and plays an important role during DNA replication in eukaryotes, has been reported as a wound response factor during planarian regeneration. However, how RFC controls regeneration in planarians by regulating DNA replication remains to be explained. Here, we used a two-dimensional electrophoresis (2-DE) proteomic approach to identify differentially expressed proteins in intact and regenerated planarians...
September 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28888325/an-amazing-turn-of-events
#5
Michael N Hall
How the master regulator of cell growth, TOR, came to be identified and understood, from the perspective of its discoverer, Michael N. Hall.
August 23, 2017: Cell
https://www.readbyqxmd.com/read/28884774/high-energy-asymmetric-supercapacitors-based-on-free-standing-hierarchical-co-mo-s-nanosheets-with-enhanced-cycling-stability
#6
Jayaraman Balamurugan, Chao Li, Shaik Gouse Peera, Nam Hoon Kim, Joong Hee Lee
Layered transition metal sulfides (TMS) are emerging as advanced materials for energy storage and conversion applications. In this work, we report a facile and cost-effective anion exchange technique to fabricate a layered, multifaceted, free standing, ultra-thin ternary cobalt molybdenum sulfide nanosheet (Co-Mo-S NS) architecture grown on a 3D porous Ni foam substrate. The unique Co-Mo layered double hydroxides are first synthesized as precursors and consequently transformed into ultra-thin Co-Mo-S NS. When employed as an electrode for supercapacitors, the Co-Mo-S NS delivered an ultra-high specific capacitance of 2343 F g(-1) at a current density of 1 mA cm(-2) with tremendous rate capability and extraordinary cycling performance (96...
September 8, 2017: Nanoscale
https://www.readbyqxmd.com/read/28871323/-orthopedic-surgery-in-dhulikhel-nepal
#7
REVIEW
K H Winker, W Mutschler
Nepal is one of the 20 poorest countries in the world. Thus, medical care in Nepal is dependent on significant medical and financial commitment from within and outside the country. Dhulikhel Hospital - Kathmandu University Hospital (DH-KUH) was founded in 1996 by Prof. Dr. Ram and colleagues. Collaboration and support of many people and institutions are, in contrast to the experience in other hospitals of the third world, characterized by an extraordinary sustainability. The reason for this is the spirit lived according to the motto "best service for the poor"...
September 4, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28870165/myosin-repertoire-expansion-coincides-with-eukaryotic-diversification-in-the-mesoproterozoic-era
#8
Martin Kollmar, Stefanie Mühlhausen
BACKGROUND: The last eukaryotic common ancestor already had an amazingly complex cell possessing genomic and cellular features such as spliceosomal introns, mitochondria, cilia-dependent motility, and a cytoskeleton together with several intracellular transport systems. In contrast to the microtubule-based dyneins and kinesins, the actin-filament associated myosins are considerably divergent in extant eukaryotes and a unifying picture of their evolution has not yet emerged. RESULTS: Here, we manually assembled and annotated 7852 myosins from 929 eukaryotes providing an unprecedented dense sequence and taxonomic sampling...
September 4, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28859134/are-baboons-learning-orthographic-representations-probably-not
#9
Maja Linke, Franziska Bröker, Michael Ramscar, Harald Baayen
The ability of Baboons (papio papio) to distinguish between English words and nonwords has been modeled using a deep learning convolutional network model that simulates a ventral pathway in which lexical representations of different granularity develop. However, given that pigeons (columba livia), whose brain morphology is drastically different, can also be trained to distinguish between English words and nonwords, it appears that a less species-specific learning algorithm may be required to explain this behavior...
2017: PloS One
https://www.readbyqxmd.com/read/28846438/my-secret-life
#10
Mary-Dell Chilton
In my early childhood, my parents gave me to my maternal grandparents for a "visit" that extended over a period of nine years. I seemed to be a fairly ordinary student in primary grades, and had to take a remedial general science class upon entering high school, my first exposure to science. It was the teacher of that class, Mr. Auer, who told me that I had scored amazingly high on a science aptitude test given to all freshmen. The people who administered the testing were convinced that I must have cheated somehow...
August 28, 2017: Annual Review of Plant Biology
https://www.readbyqxmd.com/read/28834801/the-daisy-award-a-patient-family-perspective-of-compassionate-and-extraordinary-care
#11
Cynthia Divens Sweeney
What does it mean to patients and families to recognize the extraordinary and compassionate care provided by amazing nurses? The triple aim framework of the Institute for Healthcare Improvement includes the patient/family experience as 1 of the 3 targets contributing to better healthcare outcomes. In this column, the perspective of recognizing "their" nurse with The DAISY Award will be shared by a patient's family.
September 2017: Journal of Nursing Administration
https://www.readbyqxmd.com/read/28832522/a-fpga-based-granularity-variable-neuromorphic-processor-and-its-application-in-a-mimo-real-time-control-system
#12
Zhen Zhang, Cheng Ma, Rong Zhu
Artificial Neural Networks (ANNs), including Deep Neural Networks (DNNs), have become the state-of-the-art methods in machine learning and achieved amazing success in speech recognition, visual object recognition, and many other domains. There are several hardware platforms for developing accelerated implementation of ANN models. Since Field Programmable Gate Array (FPGA) architectures are flexible and can provide high performance per watt of power consumption, they have drawn a number of applications from scientists...
August 23, 2017: Sensors
https://www.readbyqxmd.com/read/28813728/-amputation-of-the-lower-limb-treatment-and-management
#13
Tim Ramczykowski, Thomas A Schildhauer
Despite modern conservative and surgical procedures, the number of amputations of the lower limb remains at a consistently high level. With the demographic changes and the consequent prevalence of atherosclerosis and diabetes mellitus, there is a steady increase of the risk factors that can lead to an amputation. The cause, which ultimately leads to the loss of the affected limb is therefore a symptom of the underlying disease. Primarily, the purpose of any medical treatment is the prevention of any amputation...
August 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28809691/faceforge-markerless-non-rigid-face-multi-projection-mapping
#14
Christian Siegl, Vanessa Lange, Marc Stamminger, Frank Bauer, Justus Thies
Recent publications and art performances demonstrate amazing results using projection mapping. To our knowledge, there exists no multi-projection system that can project onto non-rigid target geometries. This constrains the applicability and quality for live performances with multiple spectators. Given the cost and complexity of current systems, we present a low-cost easy-to-use markerless non-rigid face multi-projection system. It is based on a non-rigid, dense face tracker and a real-time multi-projection solver adapted to imprecise tracking, geometry and calibration...
August 10, 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/28809535/ternary-organic-solar-cells-with-coumarin7-as-the-donor-exhibiting-greater-than-10-power-conversion-efficiency-and-a-high-fill-factor-of-75
#15
Xin-Wei Chen, Si-Lu Tao, Cong Fan, Dong-Cheng Chen, Ling Zhou, Hui Lin, Cai-Jun Zheng, Shi-Jian Su
Ternary bulk heterojunction (BHJ) is a brilliant photovoltaic technology for improving the performance of organic solar cells (OSCs), because the light absorption range can be significantly extended by using multiple donors or acceptor materials. In this paper, coumarin7 (C7), a small organic molecule typical led used in organic light-emitting diodes, was initially exploited as second electron-donor component in ternary bulk heterojunction OSCs along with conventional blend system spolythieno[3,4-b]-thiophene/benzodithiophene(PTB7) and [6,6]-phenyl-C71 -butyric acid methyl(PC71 BM)...
August 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28803677/indole-fused-azepines-and-analogues-as-anticancer-lead-molecules-privileged-findings-and-future-directions
#16
REVIEW
Ashok K Singh, Vinit Raj, Sudipta Saha
The search for new lead compounds of simple structure, displaying highest quality anti-tumor potency with new mechanisms of action and least adverse effects is the major intention of cancer drug discovery now a days. For the time being, indole-fused azepines emerged as a simple class of compounds prolifically designed with strong pharmacological significances in particular of cancer protecting ability. In the recent years from the efforts of our research group, indole-fused heteroazepines, a simple structural class achieved by fusion of indole with oxygen, sulphur and nitrogen containing heteroazepine rings, have known for its superior outcomes in cancer treatment...
August 4, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28794865/recent-advances-in-acute-promyelocytic-leukaemia
#17
REVIEW
Chin-Hin Ng, Wee-Joo Chng
Acute promyelocytic leukaemia (APML) is a subtype of leukaemia arising from a distinct reciprocal translocation involving chromosomes 15 and 17, which results in the PML-RARA fusion gene. Over the past three decades, APML has been transformed from a highly fatal disease to a highly curable one. This drastic improvement is because of the introduction of a new treatment strategy with all-trans retinoic acid and, more recently, arsenic trioxide. The revolutionary treatment of APML has also paved the way for a new cancer treatment, which is genetically targeted therapy...
2017: F1000Research
https://www.readbyqxmd.com/read/28789648/hospitalisation-costs-of-metastatic-melanoma-in-france-the-melissa-study-melanoma-in-hospital-costs-assessment
#18
Jérôme Fernandes, Bruno Bregman, Patrick Combemale, Camille Amaz, Lucie de Léotoing, Alexandre Vainchtock, Anne-Françoise Gaudin
BACKGROUND: Management of metastatic melanoma is changing rapidly following the introduction of innovative effective therapies, with consequences for the allocation of healthcare resources. The objective of this study was to assess hospitalisation costs of metastatic melanoma in France from 2011 to 2013 from the perspective of the government payer. METHODS: The population studied corresponded to all adults with metastatic melanoma hospitalised in France between 1st January 2011 and 31st December 2013 who required chemotherapy, immunotherapy or radiotherapy due to tumour progression and unresectable Stage III or Stage IV melanoma...
August 8, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28771994/electronic-transport-of-mos2-monolayered-flakes-investigated-by-scanning-electrochemical-microscopy
#19
Olivier Henrotte, Thomas Bottein, Hugo Casademont, Kevin Jaouen, Tiphaine Bourgeteau, Stephane Campidelli, Vincent Derycke, Bruno Jousselme, Renaud Cornut
The amazing properties of 2D materials are envisioned to revolutionize several domains such as flexible electronics, electrocatalysis, or biosensing. Herein we introduce scanning electrochemical microscopy (SECM) as a tool to investigate molybdenum disulfide in a straightforward fashion, providing localized information regarding the electronic transport within chemical vapor deposition (CVD)-grown crystalline MoS2 single layers having micrometric sizes. Our investigations show that within flakes assemblies some flakes are well electrically interconnected, with no detectable contact resistance, whereas others are not electrically connected at all, independent of the size of the physical contact between them...
August 3, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/28752099/expressions-profiles-of-the-proteins-associated-with-carbohydrate-metabolism-in-rat-liver-regeneration
#20
Li Yin, Cuifang Chang, Cunshuan Xu
Liver has a very amazing ability to regenerate from the remnant liver after injury or partial hepatectomy (PH). Carbohydrate metabolism plays a critical role in regeneration. Many signaling pathways are involved in the metabolism process. We analyzed the changes of proteins at 0-36 h after PH in rats using isobaric tags for relative and absolute quantitation (iTRAQ) coupled with LC-MS/MS-based quantitative proteomics strategy. The results showed that 110 proteins and 5 signaling pathways related to carbohydrate metabolism in rat LR changed significantly...
2017: BioMed Research International
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