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    3446 research outputs found

    Disruptive Strategies for Removing Drug Discovery Bottlenecks

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    Drug Discovery is shifting focus from the industry to outside partners and in the process creating new bottlenecks, suggesting the need for a more disruptive overhaul. Technologies like high throughput screening (HTS) have moved to a larger number of academic and institutional laboratories in the US, with little apparent coordination or consideration of the outputs and creating a translational gap. While there have been collaborative public private partnerships in Europe to share pharmaceutical data, the USA has lagged behind. Sharing precompetitive computational models may be the next frontier to provide more confidence in the quality of the leads produced and attract investment. We suggest there needs to be an awareness of what research is going on in the screening centers, more collaboration and coordination. These efforts will shift the focus to finding the best researchers to fund and require a rethink of how to reward their collaborative efforts

    Schizophrenia is a TH2 dominant autoimmune disease possibly against acetylcholine receptors of CNS

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    Schizophrenia is a very common psychiatric disorder. However, its etiology and pathogenesis is still unknown. Current theory saying that neurotransmitter imbalance such as serotonin or dopamine only provides limited effectiveness in schizophrenia treatment by drugs changing serotonin and dopamine concentration. Despite of such treatment, majority of schizophrenia patients still have very poor prognosis. Thus, the neurotransmitter imbalance theory is not correct. Here, I propose that schizophrenia is actually a TH2 dominant autoimmune disorder. The candidate of autoantigen could be acetylcholine receptors of CNS. My theory can explain the positive as well as negative symptoms of schizophrenia. By microarray analysis of PBMCS, one-tenth of the total 519 significantly expressed genes are immune-related genes. Among them, TH2 related genes are significantly up-regulated including IL-4, histidine decarboxylase, aldehyde dehydrogenase, CCR9, IgE Fc receptor, GATA2, serotonin receptor, phospholipase A2, and prostaglandin D2 synthase. Besides, TH1 and TH17 related genes are down-regulated including CXCL5, cathepsin C, and neutrophil related S100 binding proteins. The new theory sheds a light to better control this detrimental illness. Anti-inflammatory agents could be used to manage schizophrenia in the near future

    Genomic Replikin Counts of Infectious Salmon Anemia Virus (ISAV) in Canada Exceed the Counts in Lethal Outbreaks in Norway, Chile, and Scotland. Real-Time Tracking of the Evolution of the ISAV Genome and the Resultant Replikins Solid Phase ISAV Vaccine Make ISAV Pandemic Prevention Possible.

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    Genomic Replikin CountsTM of Infectious Salmon Anemia Virus (ISAV) in Canada Exceed the Counts in Lethal Outbreaks in Norway, Chile, and Scotland. Real-Time Tracking of the Evolution of the ISAV Genome and the Resultant Replikins Solid Phase ISAV Vaccine Make ISAV Pandemic Prevention Possible.
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    The phyogenetic principles of mma: A hypothetical biostratigraphic model

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    Two erectoid hominids from Sarstedt prompted a detailed examination of the course of the impressions of the Arteria meningea media and their characteristics within the line of hominidae

    AGMAAS: a GIS integrated tool for modelling wind-borne spreading of FMD virus

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    The aim of our work was to develop a tool integrated into Quantum GIS (QGIS) that can help
the user estimate and visualize the possible infective areas around an outbreak based on HYbrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model

    SBML Reaction Finder: Retrieve and extract specific reactions from the BioModels database

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    Summary: The SBML Reaction Finder (SRF) application leverages the deep semantic annotations in the BioModels database to provide efficient retrieval and extraction of individual reactions from SBML models. We hope that the SRF will be useful to quantitative modelers who seek to accelerate their modeling efforts by reusing previously published representations of specific chemical reactions.

Availability and Implementation: The SRF is open source, coded in Java, and distributed under the Mozilla Pubic License Version 1.1. Windows, Macintosh and Linux distributions are available for download at 
http://sourceforge.net/projects/sbmlrxnfinder.
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    Data Mining of the Coffee Rust Genome

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    The genomes of nine isolates of _Hemileia vastatrix_, the causal agent of coffee leaf rust were sequenced by Illumina and 454. Quality control, cleaning and _de novo_ assemblies of data were performed. Since isolates were obtained from the field and it is not possible to produce axenic cultures of _H. vastatrix_, MEGAN software was used to evaluate contamination levels and to select contigs with fungal similarities. Mitochondrial contigs were identified and annotated by comparing this assembly against the _Puccinia_ genome. Furthermore, two transcriptomes from isolates of _H. vastatrix_ were assembled to complement the genomic data

    Complex Systems Biology of Organisms

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    Complex Systems Biology models and theories are axiomatically defined in terms of concrete categories and organismic supercategories (OS) to include both complete self-reproduction of logically defined pi-entities founded in Quine's logic and dynamic system diagrams subject to both algebraic and topological transformations. Mathematical models of complex organisms are expressed in terms of category theory and organismic supercategories (OS). OS theories have applications in: Bioinformatics, Developmental Biology, Genomics and Molecular Cell Biolog

    A Critical Evaluation of Clinical Trials in Cancer and Pharmacogenomics

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    A critical overview of recent clinical trials in cancer is presented focused on signaling pathways blockers or inhibitors with a view to developing successful clinical trials employing personalized cancer therapies. Rational, pharmacogenomic strategies in cancer trials should be adopted that include specific molecular targeting based on adequate data for, and detailed modeling of, cancer cell genomes, modifications of cancer signaling pathways and epigenetic mechanisms. Novel translational oncogenomics research is rapidly expanding through the application of highly sensitive and specific advanced technology, research findings and computational tools and complex models to both pharmaceutical and clinical problems. Multiple sample analyses from several recent clinical studies have shown that gene expression data for cancer cells can be employed to distinguish between tumor types as well as to predict outcomes. Potentially important applications of such results are individualized human cancer therapies or, in general, ‘personalized medicine’ that will have to be validated through optimally designed clinical trials in cancer. A Human Cancer Genomes and Epigenetics Project is proposed that can provide the essential data required for the optimal design of clinical trials with the goal of achieving significant improvements of the survival rates of cancer patients participating in clinical trials for advanced cancer stages. The results of such a six-year Human Cancer Genomes and Epigenetics Project should also greatly aid with the accelerated, rational development of effective anti-cancer medicines and the chemoprevention of cancers. 
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    Parenteral administration of hCG (Human Choriogonadotropin) and fat loss as assessed by Dual energy X-ray absorptiometry (DXA) in experimental animals.

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    Our studies suggest that in experimental animals, submitted to a hypocaloric diet, the intrarectal administration of hCG (Human Chorionic Gonadotropin) decreases body fat and increases lean mass content in relative values to a greater extent that control animals who did not receive hCG.
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