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https://www.readbyqxmd.com/read/27913542/new-therapies-for-hemophilia
#1
Steven W Pipe
Individuals with severe hemophilia have benefitted from 5 decades of advances that have led to widespread availability of safe and efficacious factors VIII and IX, a multidisciplinary integrated care model through a network of specialized hemophilia treatment centers, and aggressive introduction of prophylactic replacement therapy to prevent bleeding and preserve joint health. Yet, there are remaining challenges and treatment gaps which have prevented complete abrogation of all joint bleeding, and progressive joint deterioration may continue in some affected individuals over the course of a lifetime...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913370/asymptotic-fuzzy-neural-network-control-for-pure-feedback-stochastic-systems-based-on-a-semi-nussbaum-function-technique
#2
Ci Chen, Zhi Liu, Kan Xie, Yun Zhang, C L Philip Chen
Most existing control results for pure-feedback stochastic systems are limited to a condition that tracking errors are bounded in probability. Departing from such bounded results, this paper proposes an asymptotic fuzzy neural network control for pure-feedback stochastic systems. The control goal is realized by proposing a novel semi-Nussbaum function-based technique and employing it in adaptive backstepping controller design. The proposed Nussbaum function is integrated with adaptive control technique to guarantee that the tracking error is asymptotically stable in probability...
November 28, 2016: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/27913362/learning-to-predict-eye-fixations-via-multiresolution-convolutional-neural-networks
#3
Nian Liu, Junwei Han, Tianming Liu, Xuelong Li
Eye movements in the case of freely viewing natural scenes are believed to be guided by local contrast, global contrast, and top-down visual factors. Although a lot of previous works have explored these three saliency cues for several years, there still exists much room for improvement on how to model them and integrate them effectively. This paper proposes a novel computation model to predict eye fixations, which adopts a multiresolution convolutional neural network (Mr-CNN) to infer these three types of saliency cues from raw image data simultaneously...
November 29, 2016: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/27913356/a-framework-for-integrating-multiple-biological-networks-to-predict-microrna-disease-associations
#4
Wei Peng, Wei Lan, Zeng Yu, Jianxin Wang, Yi Pan
MicroRNAs have close relationship with human diseases. Therefore, identifying disease related MicroRNAs plays an important role in disease diagnosis, prognosis and therapy. However, designing an effective computational method which can make good use of various biological resources and correctly predict the associations between MicroRNA and disease is still a big challenge. Previous researchers have pointed out that there are complex relationships among microRNAs, diseases and environment factors. There are inter-relationships between microRNAs, diseases or environment factors based on their functional similarity or phenotype similarity or chemical structure similarity and so on...
November 29, 2016: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/27913294/sleep-mediated-memory-consolidation-depends-on-the-level-of-integration-at-encoding
#5
Lea Himmer, Elias Müller, Steffen Gais, Monika Schönauer
There is robust evidence that sleep facilitates declarative memory consolidation. Integration of newly acquired memories into existing neocortical knowledge networks has been proposed to underlie this effect. Here, we test whether sleep affects memory retention for word-picture associations differently when it was learned explicitly or using a fast mapping strategy. Fast mapping is an incidental form of learning that references new information to existing knowledge and possibly allows neocortical integration already during encoding...
November 29, 2016: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/27913282/proteomics-provides-insights-into-biological-pathways-altered-by-plant-growth-promoting-bacteria-and-arbuscular-mycorrhiza-in-sorghum-grown-in-marginal-soil
#6
Faten Dhawi, Rupali Datta, Wusirika Ramakrishna
Sorghum is an economically important crop, a model system for gene discovery and a biofuel source. Sorghum seedlings were subjected to three microbial treatments, plant growth promoting bacteria (B), arbuscular mycorrhizal (AM) fungi mix with two Glomus species (G. aggregatum and G. etunicatum), Funelliformis mosseae and Rhizophagus irregularis (My), and B and My combined (My+B). Proteomic analysis was conducted followed by integration with metabolite, plant biomass and nutrient data. Out of 366 differentially expressed proteins in sorghum roots, 44 upregulated proteins overlapping among three treatment groups showed positive correlation with sorghum biomass or element uptake or both...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27913189/construction-and-analysis-of-a-human-testis-sperm-enriched-interaction-network-unraveling-the-ppp1cc2-interactome
#7
Joana Vieira Silva, Sooyeon Yoon, Pieter-Jan De Bock, Alexander V Goltsev, Kris Gevaert, José Fernando F Mendes, Margarida Fardilha
BACKGROUND: Phosphoprotein phosphatase 1 catalytic subunit gamma 2 (PPP1CC2), a PPP1CC tissue-specific alternative splice restricted to testicular germ cells and spermatozoa, is essential for spermatogenesis and spermatozoa motility. The key to understand PPP1CC2 regulation lies on the characterization of its interacting partners. METHODS: We construct a testis/sperm-enriched protein interaction network and analyzed the topological properties and biological context of the network...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27912097/lncpress1-is-a-p53-regulated-lncrna-that-safeguards-pluripotency-by-disrupting-sirt6-mediated-de-acetylation-of-histone-h3k56
#8
Abhinav K Jain, Yuanxin Xi, Ryan McCarthy, Kendra Allton, Kadir C Akdemir, Lalit R Patel, Bruce Aronow, Chunru Lin, Wei Li, Liuqing Yang, Michelle C Barton
Recent evidence suggests that lncRNAs play an integral regulatory role in numerous functions, including determination of cellular identity. We determined global expression (RNA-seq) and genome-wide profiles (ChIP-seq) of histone post-translational modifications and p53 binding in human embryonic stem cells (hESCs) undergoing differentiation to define a high-confidence set of 40 lncRNAs, which are p53 transcriptional targets. We focused on lncRNAs highly expressed in pluripotent hESCs and repressed by p53 during differentiation to identify lncPRESS1 as a p53-regulated transcript that maintains hESC pluripotency in concert with core pluripotency factors...
December 1, 2016: Molecular Cell
https://www.readbyqxmd.com/read/27912078/mouse-double-minute-2-homolog-actively-suppresses-p53-activity-in-oocytes-during-mouse-folliculogenesis
#9
Chen-Xi Zhang, Qin Zhang, Yin-Yin Xie, Xue-Yan He, Cong Xiang, Xiao-Shuang Hou, Ying Zhou, Lai Chen, Guo-Xin Zhang, Geng Liu
The p53 signaling network is indispensible in cellular stress responses and tumor suppression. Negative regulations of p53 by mouse double minute 2 and 4 homologs (MDM2) and (MDM4) are an integrated component of the network and have been implicated in regulating the stress responses and the maintenance of normal development and homeostasis of multiple somatic cell lineages. However, the regulatory role of MDM2 on p53 and stress responses in female germ cells remains undetermined. Here, we used the Cre-loxP system to delete Mdm2 in oocytes at different stages of folliculogenesis in mice...
November 29, 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/27912055/retromer-sets-a-trap-for-endosomal-cargo-sorting
#10
Ludger Johannes, Christian Wunder
Membrane trafficking from endosomes to the trans-Golgi network or the plasma membrane is driven by the retromer complex. Through structural analysis of the cargo-bound complex, Lucas et al. describe a mechanism by which endosomal membrane recruitment and cargo recognition are integrated through cooperative interactions between retromer subunits.
December 1, 2016: Cell
https://www.readbyqxmd.com/read/27911926/international-collaboration-patterns-and-effecting-factors-of-emerging-technologies
#11
Xu Bai, Yun Liu
With the globalization of the world economy, international innovation collaboration has taken place all over the world. This study selects three emerging technologies (3D printing, big data and carbon nanotubes and graphene technology) among 20 countries as the research objects, using three patent-based indicators and network relationship analysis to reflect international collaboration patterns. Then we integrate empirical analyses to show effecting factors of international collaboration degrees by using panel data...
2016: PloS One
https://www.readbyqxmd.com/read/27911825/elucidating-the-druggable-interface-of-protein-protein-interactions-using-fragment-docking-and-coevolutionary-analysis
#12
Fang Bai, Faruck Morcos, Ryan R Cheng, Hualiang Jiang, José N Onuchic
Protein-protein interactions play a central role in cellular function. Improving the understanding of complex formation has many practical applications, including the rational design of new therapeutic agents and the mechanisms governing signal transduction networks. The generally large, flat, and relatively featureless binding sites of protein complexes pose many challenges for drug design. Fragment docking and direct coupling analysis are used in an integrated computational method to estimate druggable protein-protein interfaces...
November 29, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27911805/functional-split-brain-in-a-driving-listening-paradigm
#13
Shuntaro Sasai, Melanie Boly, Armand Mensen, Giulio Tononi
We often engage in two concurrent but unrelated activities, such as driving on a quiet road while listening to the radio. When we do so, does our brain split into functionally distinct entities? To address this question, we imaged brain activity with fMRI in experienced drivers engaged in a driving simulator while listening either to global positioning system instructions (integrated task) or to a radio show (split task). We found that, compared with the integrated task, the split task was characterized by reduced multivariate functional connectivity between the driving and listening networks...
November 28, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27911747/new-developments-in-understanding-the-complexity-of-human-speech-production
#14
Kristina Simonyan, Hermann Ackermann, Edward F Chang, Jeremy D Greenlee
Speech is one of the most unique features of human communication. Our ability to articulate our thoughts by means of speech production depends critically on the integrity of the motor cortex. Long thought to be a low-order brain region, exciting work in the past years is overturning this notion. Here, we highlight some of major experimental advances in speech motor control research and discuss the emerging findings about the complexity of speech motocortical organization and its large-scale networks. This review summarizes the talks presented at a symposium at the Annual Meeting of the Society of Neuroscience; it does not represent a comprehensive review of contemporary literature in the broader field of speech motor control...
November 9, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27911328/the-clinical-use-of-cerebrospinal-fluid-biomarkers-for-alzheimer-s-disease-diagnosis-the-italian-selfie
#15
Giulia M Sancesario, Sofia Toniolo, Davide Chiasserini, Simona G Di Santo, Josh Zegeer, Gaetano Bernardi, Massimo Musicco, Carlo Caltagirone, Lucilla Parnetti, Sergio Bernardini
Although the use of cerebrospinal fluid (CSF) amyloid β1-42 (Aβ42), tau (T-tau), and phosphorylated tau (p-tau181) gives added diagnostic and prognostic values, the diffusion is still limited in clinical practice and only a restricted number of patients receive an integrated clinico-biological diagnosis. By a survey, we aimed to do a "selfie" of the use and diffusion of CSF biomarkers of dementia in Italy, the standardization of pre-analytical procedures, the harmonization of ranges, and the participation to Quality Control programs...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911271/immunoglobulin-superfamily-genes-are-novel-prognostic-biomarkers-for-breast-cancer
#16
Yue Li, Maoni Guo, Zhenkun Fu, Peng Wang, Yan Zhang, Yue Gao, Ming Yue, Shangwei Ning, Dianjun Li
Breast cancer progression is associated with dysregulated expression of the immunoglobulin superfamily (IgSF) genes that are involved in cell-cell recognition, binding and adhesion. Despite widespread evidence that many IgSF genes could serve as effective biomarkers, this potential has not been realized because the studies have focused mostly on individual genes and not the entire network. To gain a global perspective of the IgSF-related biomarkers, we constructed an IgSF-directed neighbor network (IDNN) and an IgSF-directed driver network (IDDN) by integrating multiple levels of data, including IgSF genes, breast cancer driver genes, protein-protein interaction (PPI) networks and gene expression profiling data...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27911020/changes-in-resting-state-connectivity-in-musicians-with-embouchure-dystonia
#17
Bernhard Haslinger, Jonas Noé, Eckart Altenmüller, Valentin Riedl, Claus Zimmer, Tobias Mantel, Christian Dresel
OBJECTIVE: Embouchure dystonia is a highly disabling task-specific dystonia in professional brass musicians leading to spasms of perioral muscles while playing the instrument. As they are asymptomatic at rest, resting-state functional magnetic resonance imaging in these patients can reveal changes in functional connectivity within and between brain networks independent from dystonic symptoms. METHODS: We therefore compared embouchure dystonia patients to healthy musicians with resting-state functional magnetic resonance imaging in combination with independent component analyses...
December 2, 2016: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/27910222/cyclic-vomiting-syndrome-is-characterized-by-altered-functional-brain-connectivity-of-the-insular-cortex-a-cross-comparison-with-migraine-and-healthy-adults
#18
D-M Ellingsen, R G Garcia, J Lee, R L Lin, J Kim, A H Thurler, S Castel, L Dimisko, B R Rosen, N Hadjikhani, B Kuo, V Napadow
Cyclic Vomiting Syndrome (CVS) has been linked to episodic migraine, yet little is known about the precise brain-based mechanisms underpinning CVS, and whether these associated conditions share similar pathophysiology. We investigated the functional integrity of salience (SLN) and sensorimotor (SMN) intrinsic connectivity networks in CVS, migraine and healthy controls using brain functional Magnetic Resonance Imaging. CVS, relative to both migraine and controls, showed increased SLN connectivity to middle/posterior insula, a key brain region for nausea and viscerosensory processing...
December 1, 2016: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/27910190/the-transplant-palliative-care-clinic-an-early-palliative-care-model-for-patients-in-a-transplant-program
#19
Kirsten Wentlandt, Angela Dall'Osto, Nicole Freeman, Lisa W Le, Ebru Kaya, Heather Ross, Lianne G Singer, Susan Abbey, Hance Clarke, Camilla Zimmermann
Although patients within a transplant program are awaiting or have received disease modifying or curative treatment, they are also facing advanced illness and the possibility of death. The involvement of specialized palliative care services for these patients may improve symptom management and facilitate advance care planning. However, patients in organ transplantation programs have difficulty accessing palliative care resources and often do so only sporadically in the inpatient setting. Currently, there is little access to ambulatory palliative care for these patients and there have been no descriptions of programs delivering such care in the medical literature...
December 2016: Clinical Transplantation
https://www.readbyqxmd.com/read/27909803/evolutionary-origin-of-endochondral-ossification-the-transdifferentiation-hypothesis
#20
REVIEW
Fret Cervantes-Diaz, Pedro Contreras, Sylvain Marcellini
The vertebrate endoskeleton results from the piecemeal assembly of bone and cartilage as well as additional types of calcified extracellular matrices produced by seemingly hybrid cell types of intermediate phenotypes between osteoblasts and chondrocytes. Hence, shedding light on the emergence and subsequent diversification of skeletal tissues represents a major challenge in vertebrate evolutionary developmental biology. A 150-year-old debate in the field was recently solved by lineage tracing experiments demonstrating that, during mouse endochondral bone development, a subset of chondrocytes evades apoptosis and transdifferentiate into osteoblasts at the chondro-osseous junction...
December 1, 2016: Development Genes and Evolution
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