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https://www.readbyqxmd.com/read/29792918/translational-omics-future-potential-and-current-challenges-in-precision-medicine
#1
Arsalan Wafi, Reza Mirnezami
Rapid advances in computational science and biotechnology are paving the way for precision medicine - a vision in next-generation healthcare that promises to provide a care package uniquely tailored to each individual's molecular make-up. Until relatively recently, the focus has been firmly centred around the genome; however, over the past two decades there has been a surge in the study of molecular activity within other biological domains (proteome/transcriptome/metabolome) involved in health and pathogenesis...
May 21, 2018: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/29792227/integrated-time-course-omics-analysis-distinguishes-immediate-therapeutic-response-from-acquired-resistance
#2
Genevieve Stein-O'Brien, Luciane T Kagohara, Sijia Li, Manjusha Thakar, Ruchira Ranaweera, Hiroyuki Ozawa, Haixia Cheng, Michael Considine, Sandra Schmitz, Alexander V Favorov, Ludmila V Danilova, Joseph A Califano, Evgeny Izumchenko, Daria A Gaykalova, Christine H Chung, Elana J Fertig
BACKGROUND: Targeted therapies specifically act by blocking the activity of proteins that are encoded by genes critical for tumorigenesis. However, most cancers acquire resistance and long-term disease remission is rarely observed. Understanding the time course of molecular changes responsible for the development of acquired resistance could enable optimization of patients' treatment options. Clinically, acquired therapeutic resistance can only be studied at a single time point in resistant tumors...
May 23, 2018: Genome Medicine
https://www.readbyqxmd.com/read/29791911/improving-translation-from-preclinical-studies-to-clinical-trials-in-acute-kidney-injury
#3
Marco Fiorentino, John A Kellum
BACKGROUND: Several cellular and molecular targets and mechanisms have been investigated in preclinical studies of acute kidney injury (AKI), but translation in successful clinical studies has failed to date. This article reviews many issues that have limited this and the potential future perspectives in AKI prevention and treatment. SUMMARY: Preclinical models of AKI should closely mimic the complexity of human AKI, considering the importance of several comorbidities in determining the clinical course and outcomes in the human disease...
May 23, 2018: Nephron
https://www.readbyqxmd.com/read/29791858/a-multi-layered-quantitative-in-vivo-expression-atlas-of-the-podocyte-unravels-kidney-disease-candidate-genes
#4
Markus M Rinschen, Markus Gödel, Florian Grahammer, Stefan Zschiedrich, Martin Helmstädter, Oliver Kretz, Mostafa Zarei, Daniela A Braun, Sebastian Dittrich, Caroline Pahmeyer, Patricia Schroder, Carolin Teetzen, HeonYung Gee, Ghaleb Daouk, Martin Pohl, Elisa Kuhn, Bernhard Schermer, Victoria Küttner, Melanie Boerries, Hauke Busch, Mario Schiffer, Carsten Bergmann, Marcus Krüger, Friedhelm Hildebrandt, Joern Dengjel, Thomas Benzing, Tobias B Huber
Damage to and loss of glomerular podocytes has been identified as the culprit lesion in progressive kidney diseases. Here, we combine mass spectrometry-based proteomics with mRNA sequencing, bioinformatics, and hypothesis-driven studies to provide a comprehensive and quantitative map of mammalian podocytes that identifies unanticipated signaling pathways. Comparison of the in vivo datasets with proteomics data from podocyte cell cultures showed a limited value of available cell culture models. Moreover, in vivo stable isotope labeling by amino acids uncovered surprisingly rapid synthesis of mitochondrial proteins under steady-state conditions that was perturbed under autophagy-deficient, disease-susceptible conditions...
May 22, 2018: Cell Reports
https://www.readbyqxmd.com/read/29790915/yamda-thousandfold-speedup-of-em-based-motif-discovery-using-deep-learning-libraries-and-gpu
#5
Daniel Quang, Yuanfang Guan, Stephen C J Parker
Motivation: Motif discovery in large biopolymer sequence datasets can be computationally demanding, presenting significant challenges for discovery in omics research. MEME, arguably one of the most popular motif discovery software, takes quadratic time with respect to dataset size, leading to excessively long runtimes for large datasets. Therefore, there is a demand for fast programs that can generate results of the same quality as MEME. Results: Here we describe YAMDA, a highly scalable motif discovery software package...
May 22, 2018: Bioinformatics
https://www.readbyqxmd.com/read/29790911/panda-view-an-easy-to-use-tool-for-statistical-analysis-and-visualization-of-quantitative-proteomics-data
#6
Cheng Chang, Kaikun Xu, Chaoping Guo, Jinxia Wang, Qi Yan, Jian Zhang, Fuchu He, Yunping Zhu
Summary: Compared with the numerous software tools developed for identification and quantification of -omics data, there remains a lack of suitable tools for both downstream analysis and data visualization. To help researchers better understand the biological meanings in their -omics data, we present an easy-to-use tool, named PANDA-view, for both statistical analysis and visualization of quantitative proteomics data and other -omics data. PANDA-view contains various kinds of analysis methods such as normalization, missing value imputation, statistical tests, clustering and principal component analysis, as well as the most commonly-used data visualization methods including an interactive volcano plot...
May 22, 2018: Bioinformatics
https://www.readbyqxmd.com/read/29789980/metabolic-remodeling-of-substrate-utilization-during-heart-failure-progression
#7
REVIEW
Liang Chen, Jiangping Song, Shengshou Hu
Heart failure (HF) is a clinical syndrome caused by a decline in cardiac systolic or diastolic function, which leaves the heart unable to pump enough blood to meet the normal physiological requirements of the human body. It is a serious disease burden worldwide affecting nearly 23 million patients. The concept that heart failure is "an engine out of fuel" has been generally accepted and metabolic remodeling has been recognized as an important aspect of this condition; it is characterized by defects in energy production and changes in metabolic pathways involved in the regulation of essential cellular functions such as the process of substrate utilization, the tricarboxylic acid cycle, oxidative phosphorylation, and high-energy phosphate metabolism...
May 23, 2018: Heart Failure Reviews
https://www.readbyqxmd.com/read/29788932/geographic-variation-in-the-aetiology-epidemiology-and-microbiology-of-bronchiectasis
#8
REVIEW
Ravishankar Chandrasekaran, Micheál Mac Aogáin, James D Chalmers, Stuart J Elborn, Sanjay H Chotirmall
Bronchiectasis is a disease associated with chronic progressive and irreversible dilatation of the bronchi and is characterised by chronic infection and associated inflammation. The prevalence of bronchiectasis is age-related and there is some geographical variation in incidence, prevalence and clinical features. Most bronchiectasis is reported to be idiopathic however post-infectious aetiologies dominate across Asia especially secondary to tuberculosis. Most focus to date has been on the study of airway bacteria, both as colonisers and causes of exacerbations...
May 22, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29788882/impact-of-drug-metabolism-pharmacokinetics-and-their-relevance-upon-taxus-based-drug-development
#9
Da-Cheng Hao, Guang-Bo Ge, Ping Wang, Ling Yang
Drug metabolism and pharmacokinetic (DMPK) studies of Taxus natural products, their semi-synthetic derivatives and analogs are indispensable in the optimization of lead compounds and clinical therapy. These studies can lead to development of new drug entities with improved absorption, distribution, metabolism, excretion and toxicity (ADME/T) profiles. To date, there have been no comprehensive reviews of the DMPK features of Taxus derived medicinal compounds.Natural and semi-synthetic taxanes may cause and could be affected by drug-drug interaction (DDI)...
May 22, 2018: Current Drug Metabolism
https://www.readbyqxmd.com/read/29788225/lnchrom-a-resource-of-experimentally-validated-lncrna-chromatin-interactions-in-human-and-mouse
#10
Fulong Yu, Guanxiong Zhang, Aiai Shi, Jing Hu, Feng Li, Xinxin Zhang, Yan Zhang, Jian Huang, Yun Xiao, Xia Li, Shujun Cheng
Long non-coding RNAs (lncRNAs) constitute an important layer of chromatin regulation that contributes to various biological processes and diseases. By interacting with chromatin, many lncRNAs can regulate that state of chromatin by recruiting chromatin-modifying complexes and thus control large-scale gene expression programs. However, the available information on interactions between lncRNAs and chromatin is hidden in a large amount of dispersed literature and has not been extensively collected. We established the LnChrom database, a manually curated resource of experimentally validated lncRNA-chromatin interactions...
January 1, 2018: Database: the Journal of Biological Databases and Curation
https://www.readbyqxmd.com/read/29786969/hippocampal-lipidome-and-transcriptome-profile-alterations-triggered-by-acute-exposure-of-mice-to-gsm-1800-mhz-mobile-phone-radiation-an-exploratory-study
#11
Adamantia F Fragopoulou, Alexandros Polyzos, Maria-Despoina Papadopoulou, Anna Sansone, Areti K Manta, Evangelos Balafas, Nikolaos Kostomitsopoulos, Aikaterini Skouroliakou, Chryssostomos Chatgilialoglu, Alexandros Georgakilas, Dimitrios J Stravopodis, Carla Ferreri, Dimitris Thanos, Lukas H Margaritis
BACKGROUND: The widespread use of wireless devices during the last decades is raising concerns about adverse health effects of the radiofrequency electromagnetic radiation (RF-EMR) emitted from these devices. Recent research is focusing on unraveling the underlying mechanisms of RF-EMR and potential cellular targets. The "omics" high-throughput approaches are powerful tools to investigate the global effects of RF-EMR on cellular physiology. METHODS: In this work, C57BL/6 adult male mice were whole-body exposed (nE xp  = 8) for 2 hr to GSM 1800 MHz mobile phone radiation at an average electric field intensity range of 4...
May 22, 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29784957/metabolic-reprogramming-in-leaf-lettuce-grown-under-different-light-quality-and-intensity-conditions-using-narrow-band-leds
#12
Kazuyoshi Kitazaki, Atsushi Fukushima, Ryo Nakabayashi, Yozo Okazaki, Makoto Kobayashi, Tetsuya Mori, Tomoko Nishizawa, Sebastian Reyes-Chin-Wo, Richard W Michelmore, Kazuki Saito, Kazuhiro Shoji, Miyako Kusano
Light-emitting diodes (LEDs) are an artificial light source used in closed-type plant factories and provide a promising solution for a year-round supply of green leafy vegetables, such as lettuce (Lactuca sativa L.). Obtaining high-quality seedlings using controlled irradiation from LEDs is critical, as the seedling health affects the growth and yield of leaf lettuce after transplantation. Because key molecular pathways underlying plant responses to a specific light quality and intensity remain poorly characterised, we used a multi-omics-based approach to evaluate the metabolic and transcriptional reprogramming of leaf lettuce seedlings grown under narrow-band LED lighting...
May 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29784908/integration-of-multi-omics-data-and-deep-phenotyping-enables-prediction-of-cytokine-responses
#13
Olivier B Bakker, Raul Aguirre-Gamboa, Serena Sanna, Marije Oosting, Sanne P Smeekens, Martin Jaeger, Maria Zorro, Urmo Võsa, Sebo Withoff, Romana T Netea-Maier, Hans J P M Koenen, Irma Joosten, Ramnik J Xavier, Lude Franke, Leo A B Joosten, Vinod Kumar, Cisca Wijmenga, Mihai G Netea, Yang Li
The immune response to pathogens varies substantially among people. Whereas both genetic and nongenetic factors contribute to interperson variation, their relative contributions and potential predictive power have remained largely unknown. By systematically correlating host factors in 534 healthy volunteers, including baseline immunological parameters and molecular profiles (genome, metabolome and gut microbiome), with cytokine production after stimulation with 20 pathogens, we identified distinct patterns of co-regulation...
May 21, 2018: Nature Immunology
https://www.readbyqxmd.com/read/29783941/a-transposable-element-annotation-pipeline-and-expression-analysis-reveal-potentially-active-elements-in-the-microalga-tisochrysis-lutea
#14
Jérémy Berthelier, Nathalie Casse, Nicolas Daccord, Véronique Jamilloux, Bruno Saint-Jean, Grégory Carrier
BACKGROUND: Transposable elements (TEs) are mobile DNA sequences known as drivers of genome evolution. Their impacts have been widely studied in animals, plants and insects, but little is known about them in microalgae. In a previous study, we compared the genetic polymorphisms between strains of the haptophyte microalga Tisochrysis lutea and suggested the involvement of active autonomous TEs in their genome evolution. RESULTS: To identify potentially autonomous TEs, we designed a pipeline named PiRATE (Pipeline to Retrieve and Annotate Transposable Elements, download: https://doi...
May 22, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29782487/systematic-interrogation-of-diverse-omic-data-reveals-interpretable-robust-and-generalizable-transcriptomic-features-of-clinically-successful-therapeutic-targets
#15
Andrew D Rouillard, Mark R Hurle, Pankaj Agarwal
Target selection is the first and pivotal step in drug discovery. An incorrect choice may not manifest itself for many years after hundreds of millions of research dollars have been spent. We collected a set of 332 targets that succeeded or failed in phase III clinical trials, and explored whether Omic features describing the target genes could predict clinical success. We obtained features from the recently published comprehensive resource: Harmonizome. Nineteen features appeared to be significantly correlated with phase III clinical trial outcomes, but only 4 passed validation schemes that used bootstrapping or modified permutation tests to assess feature robustness and generalizability while accounting for target class selection bias...
May 21, 2018: PLoS Computational Biology
https://www.readbyqxmd.com/read/29781548/multi-omics-in-high-grade-serous-ovarian-cancer-biomarkers-from-genome-to-the-immunome
#16
Cole Clifford, Natasha Vitkin, Sarah Nersesian, Gillian Reid-Schachter, Julie-Ann Francis, Madhuri Koti
Epithelial ovarian cancer (EOC) is a lethal gynaecological disease that imposes significant burden on health care and patient quality of life. High-grade serous carcinoma of the ovary (HGSC) is the most prevalent histological type of EOC. A vast majority of HGSC cases are diagnosed at late stages of the disease, limiting the opportunity for clinical intervention and resulting in a 10-year survival rate of <20%. Recent innovations in high-throughput molecular analysis of patient-derived specimens may address these clinical challenges by providing an enhanced understanding of the molecular aetiology of ovarian cancer, in addition to offering several opportunities for rational biomarker and targeted therapy discovery...
May 21, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29780857/multi-omic-network-based-interrogation-of-rat-liver-metabolism-following-gastric-bypass-surgery-featuring-swath-proteomics
#17
Gautham Vivek Sridharan, Matthew D'Alessandro, Shyam Sundhar Bale, Vicky Bhagat, Hugo Gagnon, John M Asara, Korkut Uygun, Martin L Yarmush, Nima Saeidi
Morbidly obese patients often elect for Roux-en-Y gastric bypass (RYGB), a form of bariatric surgery that triggers a remarkable 30% reduction in excess body weight and reversal of insulin resistance for those who are type II diabetic. A more complete understanding of the underlying molecular mechanisms that drive the complex metabolic reprogramming post-RYGB could lead to innovative non-invasive therapeutics that mimic the beneficial effects of the surgery, namely weight loss, achievement of glycemic control, or reversal of non-alcoholic steatohepatitis (NASH)...
September 2017: Technology
https://www.readbyqxmd.com/read/29779985/systems-biology-based-investigation-of-host-plasmodium-interactions
#18
REVIEW
Maren L Smith, Mark P Styczynski
Malaria is a serious, complex disease caused by parasites of the genus Plasmodium. Plasmodium parasites affect multiple tissues as they evade immune responses, replicate, sexually reproduce, and transmit between vertebrate and invertebrate hosts. The explosion of omics technologies has enabled large-scale collection of Plasmodium infection data, revealing systems-scale patterns, mechanisms of pathogenesis, and the ways that host and pathogen affect each other. Here, we provide an overview of recent efforts using systems biology approaches to study host-Plasmodium interactions and the biological themes that have emerged from these efforts...
May 18, 2018: Trends in Parasitology
https://www.readbyqxmd.com/read/29778662/a-multi-omics-analysis-of-the-regulatory-changes-induced-by-mir-223-in-a-monocyte-macrophage-cell-line
#19
Eléonore M'baya-Moutoula, Loïc Louvet, Roland Molinié, Ida Chiara Guerrera, Catherine Cerutti, Ophélie Fourdinier, Virginie Nourry, Laurent Gutierrez, Patrice Morlière, François Mesnard, Ziad A Massy, Valérie Metzinger-le Meuth, Laurent Metzinger
No abstract text is available yet for this article.
May 17, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29778458/noninvasive-diagnosis-of-endometriosis-review-of-current-peripheral-blood-and-endometrial-biomarkers
#20
REVIEW
Dorien F O, Idhaliz Flores, Etienne Waelkens, Thomas D'Hooghe
A noninvasive biomarker-based test could help shorten the diagnostic delay for endometriosis. The most investigated biomarker sources are peripheral blood and endometrium. Discovery of endometriosis biomarkers is often hypothesis-driven, i.e. when one or a few biomarkers are investigated based on their role in the disease pathogenesis. Alternatively, a hypothesis-generating approach has been followed using the "omics" technologies. A variety of biomarkers for endometriosis have been investigated, but no biomarker has been validated for clinical use...
April 13, 2018: Best Practice & Research. Clinical Obstetrics & Gynaecology
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