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https://www.readbyqxmd.com/read/28814063/icave-an-open-source-tool-for-visualizing-biomolecular-networks-in-3d-stereoscopic-3d-and-immersive-3d
#1
Vaja Liluashvili, Selim Kalayci, Eugene Fluder, Manda Wilson, Aaron Gabow, Zeynep H Gümüs
Visualizations of biomolecular networks assist in systems-level data exploration in many cellular processes. Data generated from high-throughput experiments increasingly inform these networks, yet current tools do not adequately scale with concomitant increase in their size and complexity. We present an open source software platform, interactome-CAVE (iCAVE), for visualizing large and complex biomolecular interaction networks in 3D. Users can explore networks (i) in 3D using a desktop, (ii) in stereoscopic 3D using 3D-vision glasses and a desktop, or (iii) in immersive 3D within a CAVE environment...
August 1, 2017: GigaScience
https://www.readbyqxmd.com/read/28813639/exploitation-of-gene-expression-and-cancer-biomarkers-in-paving-the-path-to-era-of-personalized-medicine
#2
REVIEW
Hala Fawzy Mohamed Kamel, Hiba Saeed A Bagader Al-Amodi
Cancer therapy agents have been used extensively as cytotoxic drugs against tissue or organ of a specific type of cancer. With the better understanding of molecular mechanisms underlying carcinogenesis and cellular events during cancer progression and metastasis, it is now possible to use targeted therapy for these molecular events. Targeted therapy is able to identify cancer patients with dissimilar genetic defects at cellular level for the same cancer type and consequently requires individualized approach for treatment...
August 13, 2017: Genomics, Proteomics & Bioinformatics
https://www.readbyqxmd.com/read/28813502/addressing-the-challenge-of-high-priced-prescription-drugs-in-the-era-of-precision-medicine-a-systematic-review-of-drug-life-cycles-therapeutic-drug-markets-and-regulatory-frameworks
#3
Toon van der Gronde, Carin A Uyl-de Groot, Toine Pieters
CONTEXT: Recent public outcry has highlighted the rising cost of prescription drugs worldwide, which in several disease areas outpaces other health care expenditures and results in a suboptimal global availability of essential medicines. METHOD: A systematic review of Pubmed, the Financial Times, the New York Times, the Wall Street Journal and the Guardian was performed to identify articles related to the pricing of medicines. FINDINGS: Changes in drug life cycles have dramatically affected patent medicine markets, which have long been considered a self-evident and self-sustainable source of income for highly profitable drug companies...
2017: PloS One
https://www.readbyqxmd.com/read/28813452/plasma-metabolomics-reveals-membrane-lipids-aspartate-asparagine-and-nucleotide-metabolism-pathway-differences-associated-with-chloroquine-resistance-in-plasmodium-vivax-malaria
#4
Karan Uppal, Jorge L Salinas, Wuelton M Monteiro, Fernando Val, Regina J Cordy, Ken Liu, Gisely C Melo, Andre M Siqueira, Belisa Magalhaes, Mary R Galinski, Marcus V G Lacerda, Dean P Jones
BACKGROUND: Chloroquine (CQ) is the main anti-schizontocidal drug used in the treatment of uncomplicated malaria caused by Plasmodium vivax. Chloroquine resistant P. vivax (PvCR) malaria in the Western Pacific region, Asia and in the Americas indicates a need for biomarkers of resistance to improve therapy and enhance understanding of the mechanisms associated with PvCR. In this study, we compared plasma metabolic profiles of P. vivax malaria patients with PvCR and chloroquine sensitive parasites before treatment to identify potential molecular markers of chloroquine resistance...
2017: PloS One
https://www.readbyqxmd.com/read/28813442/a-parallel-metaheuristic-for-large-mixed-integer-dynamic-optimization-problems-with-applications-in-computational-biology
#5
David R Penas, David Henriques, Patricia González, Ramón Doallo, Julio Saez-Rodriguez, Julio R Banga
BACKGROUND: We consider a general class of global optimization problems dealing with nonlinear dynamic models. Although this class is relevant to many areas of science and engineering, here we are interested in applying this framework to the reverse engineering problem in computational systems biology, which yields very large mixed-integer dynamic optimization (MIDO) problems. In particular, we consider the framework of logic-based ordinary differential equations (ODEs). METHODS: We present saCeSS2, a parallel method for the solution of this class of problems...
2017: PloS One
https://www.readbyqxmd.com/read/28813246/the-benefits-of-data-mining
#6
Audrey Bone, Keith Houck
Careful analysis of a database populated by physicians and patients sheds new light on the side effects of drugs.
August 16, 2017: ELife
https://www.readbyqxmd.com/read/28813151/the-medicinal-and-biological-chemistry-mbc-library-an-efficient-source-on-new-hits
#7
Víctor Sebastián Pérez, Carlos Roca, Mahendra Awale, Jean-Louis Reymond, Ana Martínez, Carmen Gil, Nuria E Campillo
Identification of new hits is one of the biggest challenges in drug discovery. Creating a library of well-characterized drug-like compounds is a key step in this process. Our group has developed an in-house chemical library called Medicinal and Biological Chemistry (MBC) library. This collection has been successfully used to start several medicinal chemistry programs and developed in an accumulation of more than thirty years of experience in drug design and discovery of new drugs for unmet diseases. It contains over 1,000 compounds, mainly heterocyclic scaffolds...
August 16, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28813147/synthesis-and-evaluation-of-asymmetric-acyclic-nucleoside-bisphosphonates-as-inhibitors-of-plasmodium-falciparum-and-human-hypoxanthine-guanine-xanthine-phosphoribosyltransferase
#8
Petr Špaček, Dianne T Keough, Marina Chavchich, Martin Dracinsky, Zlatko Janeba, Lieve Naesens, Michael D Edstein, Luke W Guddat, Dana Hocková
Acyclic nucleoside bisphosphonates (ANbPs) have previously been shown to be good inhibitors of human hypoxanthine-guanine phosphoribosyltransferase (HGPRT) and Plasmodium falciparum (Pf) hypoxanthine-guanine-xanthine phosphoribosyltransferase (PfHGXPRT). Based on this scaffold, a new series of ANbPs was synthesized. One of these new ANbPs, [3-(guanine-9-yl)-2-((2-phosphonoethoxy)methyl)propoxy]methylphosphonic acid, exhibited Ki values of 6 and 70 nM for human HGPRT and Pf HGXPRT, respectively. These low Ki values were achieved by inserting an extra carbon atom in the linker connecting the N9 atom of guanine to one of the phosphonate groups...
August 16, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28813090/brazilian-consensus-on-duchenne-muscular-dystrophy-part-1-diagnosis-steroid-therapy-and-perspectives
#9
Alexandra P Q C Araujo, Alzira A S de Carvalho, Eduardo B U Cavalcanti, Jonas Alex M Saute, Elmano Carvalho, Marcondes C França, Alberto R M Martinez, Monica de M M Navarro, Anamarli Nucci, Maria Bernadete D de Resende, Marcus Vinicius M Gonçalves, Juliana Gurgel-Giannetti, Rosana H Scola, Cláudia F da R Sobreira, Umbertina C Reed, Edmar Zanoteli
Significant advances in the understanding and management of Duchenne muscular dystrophy (DMD) took place since international guidelines were published in 2010. Our objective was to provide an evidence-based national consensus statement for multidisciplinary care of DMD in Brazil. A combination of the Delphi technique with a systematic review of studies from 2010 to 2016 was employed to classify evidence levels and grade of recommendations. Our recommendations were divided in two parts. We present Part 1 here, where we describe the guideline methodology and overall disease concepts, and also provide recommendations on diagnosis, steroid therapy and new drug treatment perspectives for DMD...
August 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28813013/recent-advances-in-electrospun-nanofiber-interfaces-for-biosensing-devices
#10
REVIEW
Eleni Sapountzi, Mohamed Braiek, Jean-François Chateaux, Nicole Jaffrezic-Renault, Florence Lagarde
Electrospinning has emerged as a very powerful method combining efficiency, versatility and low cost to elaborate scalable ordered and complex nanofibrous assemblies from a rich variety of polymers. Electrospun nanofibers have demonstrated high potential for a wide spectrum of applications, including drug delivery, tissue engineering, energy conversion and storage, or physical and chemical sensors. The number of works related to biosensing devices integrating electrospun nanofibers has also increased substantially over the last decade...
August 16, 2017: Sensors
https://www.readbyqxmd.com/read/28812944/binding-forces-between-a-novel-schiff-base-palladium-ii-complex-and-two-carrier-proteins-human-serum-albumi-and%C3%AE-lactoglobulin
#11
Somaye Shahraki, Ali Heydari
Ligand binding studies on carrier proteins are crucial in determining the pharmacological properties of drug candidates. Here, a new palladium(II) complex was synthesized and characterized. The in vitro binding studies of this complexwith two carrier proteins, human serum albumin (HSA) and β-lactoglobulin (βLG) was investigated by employing biophysical techniques as well as computational modeling. The experimental results showed thatthe Pd(II) complex interacted with two carrier proteins with moderate binding affinity (Kb ~̴ 0...
August 16, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28812541/systematic-review-of-interventions-for-treating-or-preventing-antipsychotic-induced-tardive-dyskinesia
#12
Hanna Bergman, Dawn-Marie Walker, Adriani Nikolakopoulou, Karla Soares-Weiser, Clive E Adams
BACKGROUND: Antipsychotic medication can cause tardive dyskinesia (TD) - late-onset, involuntary, repetitive movements, often involving the face and tongue. TD occurs in > 20% of adults taking antipsychotic medication (first-generation antipsychotics for > 3 months), with this proportion increasing by 5% per year among those who continue to use these drugs. The incidence of TD among those taking newer antipsychotics is not different from the rate in people who have used older-generation drugs in moderate doses...
August 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28812400/new-benzodiazepine-and-z-hypnotic-users-and-disability-pension-an-eight-year-nationwide-observational-follow-up-study
#13
Ingunn F Tvete, Trine Bjørner, Tor Skomedal
OBJECTIVE: To compare how newly initiated treatment with benzodiazepines, Z-hypnotics or both associates with the reception of disability pension among 40,661 individuals of a working age. DESIGN: Prescription register study. SETTING: Norwegian nationwide prescriptions socio-economic and disability status data. METHODS: Cox regression analyses. SUBJECTS: New benzodiazepine or Z-hypnotic users. MAIN OUTCOME MEASURE: Time to receive disability pension given benzodiazepine or Z-hypnotic use or both...
August 16, 2017: Scandinavian Journal of Primary Health Care
https://www.readbyqxmd.com/read/28812381/retrospective-review-of-sglt2-inhibitor-exposures-reported-to-13-poison-centers
#14
Scott E Schaeffer, Carol DesLauriers, Henry A Spiller, Alfred Aleguas, Salvador Baeza, Mark L Ryan
BACKGROUND: SGLT2 inhibitors are a new class of oral antidiabetics prescribed in the United States since 2013. They act by inhibiting reabsorption of glucose in the proximal convoluted tubule of the kidney, allowing excess glucose to be excreted. Little has been reported regarding effects of non-therapeutic exposure to this class of medication. METHODS: Retrospective records from 13 poison centers were examined for human exposures to SGLT2 inhibitors between 1st January 2013 and 31st December 2016...
August 16, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28812378/bevacizumab-in-advanced-lung-cancer-state-of-the-art
#15
Sandra Assoun, Solenn Brosseau, Christelle Steinmetz, Valérie Gounant, Gérard Zalcman
Despite recent advances in metastatic lung cancer treatment with the advent of immune checkpoint inhibitors and molecules targeting addictive genomic abnormalities, prognosis of most of the patients remains unfavorable. Combination approaches with older drugs, such as bevacizumab, should be thus envisioned. Bevacizumab is a monoclonal anti-VEGF antibody, approved by the US FDA and the EMA in first-line and maintenance settings of advanced nonsquamous non-small-cell lung cancer (NSCLC) treatment, in association with platinum-based chemotherapy...
August 16, 2017: Future Oncology
https://www.readbyqxmd.com/read/28812329/acid-labile-acyclic-cucurbit-n-uril-molecular-containers-for-controlled-release
#16
Dake Mao, Yajun Liang, Yamin Liu, Xianhao Zhou, Jiaqi Ma, Jia Liu, Biao Jiang, Da Ma
Stimuli responsive molecular containers are of great importance for controlled drug delivery and other biomedical applications. Here, we report a new type of acid labile acyclic cucurbit[n]uril (CB[n]) molecular containers, which can degrade and release the encapsulated cargo with accelerated rates under mildly acidic conditions (pH 5.5-6.5). These containers retain the excellent recognition property of CB[n] type hosts. Cell culture study demonstrated that the cellular uptake of cargos could be fine-tuned by complexation with different containers...
August 15, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28812273/a-precision-medicine-approach-to-oxytocin%C3%A2-trials
#17
Elissar Andari, Rene Hurlemann, Larry J Young
In this chapter, we introduce a new area of social pharmacology that encompasses the study of the role of neuromodulators in modulating a wide range of social behaviors and brain function, with the interplay of genetic and epigenetic factors. There are increasing evidences for the role of the neuropeptide oxytocin in modulating a wide range of social behaviors, in reducing anxiety, and in impacting the social brain network. Oxytocin also promotes social functions in patients with neuropsychiatric disorders, such as autism and reduces anxiety and fear in anxiety disorders...
August 16, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28812256/the-potential-for-emerging-microbiome-mediated-therapeutics-in-asthma
#18
REVIEW
Ayse Bilge Ozturk, Benjamin Arthur Turturice, David L Perkins, Patricia W Finn
PURPOSE OF REVIEW: In terms of immune regulating functions, analysis of the microbiome has led the development of therapeutic strategies that may be applicable to asthma management. This review summarizes the current literature on the gut and lung microbiota in asthma pathogenesis with a focus on the roles of innate molecules and new microbiome-mediated therapeutics. RECENT FINDINGS: Recent clinical and basic studies to date have identified several possible therapeutics that can target innate immunity and the microbiota in asthma...
August 10, 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28812170/a-novel-approach-to-utilize-icariin-as-icariin-derived-ecm-on-small-intestinal-submucosa-scaffold-for-bone-repair
#19
Mei Li, Chi Zhang, Yi Zhong, Jiyuan Zhao
Icariin (Ic) has been demonstrated as a potent osteoinductive compound for bone tissue engineering. However, toxic side effects of the drug and poor biocompatibility of drug delivery systems (DDSs) still limit its application for bone repair in the clinic. To overcome these disadvantages and utilize the osteoinductivity of Ic, we developed a novel method to utilize Ic as an Ic-derived osteoinductive extracellular matrix (ECM) on small intestinal submucosa (SIS) (Ic-ECM-SIS). The generated Ic-ECM-SIS scaffolds, as a natural construct, exhibited much better biocompatibility (including cell adhesion, cell survival and cell proliferation) than Ic-SIS scaffolds generated by traditional DDSs...
August 15, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28812124/clozapine-chlorpromazine-and-risperidone-dose-dependently-reduce-emotional-hyperthermia-a-biological-marker-of-salience
#20
William W Blessing, Esther M Blessing, Mazher Mohammed, Youichirou Ootsuka
RATIONALE: We recently introduced a new rat model of emotional hyperthermia in which a salient stimulus activates brown adipose tissue (BAT) thermogenesis and tail artery constriction. Antipsychotic drugs, both classical and second generation, act to reduce excessive assignment of salience to objects and events in the external environment. The close association between salient occurrences and increases in body temperature suggests that antipsychotic drugs may also reduce emotional hyperthermia...
August 15, 2017: Psychopharmacology
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