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https://www.readbyqxmd.com/read/29789980/metabolic-remodeling-of-substrate-utilization-during-heart-failure-progression
#1
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/29788882/impact-of-drug-metabolism-pharmacokinetics-and-their-relevance-upon-taxus-based-drug-development
#2
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/29786969/hippocampal-lipidome-and-transcriptome-profile-alterations-triggered-by-acute-exposure-of-mice-to-gsm-1800-mhz-mobile-phone-radiation-an-exploratory-study
#3
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
#4
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/29780857/multi-omic-network-based-interrogation-of-rat-liver-metabolism-following-gastric-bypass-surgery-featuring-swath-proteomics
#5
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/29777151/integrated-proteomics-genomics-metabolomics-approaches-reveal-oxalic-acid-as-pathogenicity-factor-in-tilletia-indica-inciting-karnal-bunt-disease-of-wheat
#6
Vishakha Pandey, Manoj Singh, Dinesh Pandey, Anil Kumar
Tilletia indica incites Karnal bunt (KB) disease in wheat. To date, no KB resistant wheat cultivar could be developed due to non-availability of potential biomarkers related to pathogenicity/virulence for screening of resistant wheat genotypes. The present study was carried out to compare the proteomes of T. indica highly (TiK) and low (TiP) virulent isolates. Twenty one protein spots consistently observed as up-regulated/differential in the TiK proteome were selected for identification by MALDI-TOF/TOF. Identified sequences showed homology with fungal proteins playing essential role in plant infection and pathogen survival, including stress response, adhesion, fungal penetration, invasion, colonization, degradation of host cell wall, signal transduction pathway...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29774990/searching-for-a-mitochondrial-root-to-the-decline-in-muscle-function-with-ageing
#7
EDITORIAL
Marta Gonzalez-Freire, Fatemeh Adelnia, Ruin Moaddel, Luigi Ferrucci
Sarcopenia, the age-related loss of muscle mass and strength, is linked to a range of adverse outcomes, such as impaired physical performance, cognitive function, and mortality. Preventing sarcopenia may reduce the burden of functional decline with aging and its impact on physiological and economic well-being in older adults. Mitochondria in muscle cells lose their intrinsic efficiency and capacity to produce energy during aging, and it has been hypothesized that such a decline is the main driver of sarcopenia...
May 18, 2018: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/29769325/the-ancient-phosphatidylinositol-3-kinase-signaling-system-is-a-master-regulator-of-energy-and-carbon-metabolism-in-algae
#8
Rishiram Ramanan, Quynh-Giao Tran, Dae-Hyun Cho, Jae-Eun Jeong, Byung-Hyuk Kim, Sang-Yoon Shin, Sae-Hae Choi, Kwang-Hyeon Liu, Dae-Soo Kim, Seon-Jin Lee, Jose L Crespo, Hee-Gu Lee, Hee-Mock Oh, Hee-Sik Kim
Algae undergo a complete metabolic transformation under stress by arresting cell growth, inducing autophagy, and hyper-accumulating biofuel precursors such as triacylglycerols and starch. However, the regulatory mechanisms behind this stress-induced transformation are still unclear. Here, we use biochemical, mutational, and 'omics' approaches to demonstrate that phosphatidylinositol 3-kinase (PI3K) signaling mediates the homeostasis of energy molecules and influences carbon metabolism in algae. In Chlamydomonas reinhardtii, the inhibition and knockdown (KD) of algal class III PI3K led to significantly decreased cell growth, altered cell morphology, and higher lipid and starch contents...
May 16, 2018: Plant Physiology
https://www.readbyqxmd.com/read/29762782/metaboanalyst-4-0-towards-more-transparent-and-integrative-metabolomics-analysis
#9
Jasmine Chong, Othman Soufan, Carin Li, Iurie Caraus, Shuzhao Li, Guillaume Bourque, David S Wishart, Jianguo Xia
We present a new update to MetaboAnalyst (version 4.0) for comprehensive metabolomic data analysis, interpretation, and integration with other omics data. Since the last major update in 2015, MetaboAnalyst has continued to evolve based on user feedback and technological advancements in the field. For this year's update, four new key features have been added to MetaboAnalyst 4.0, including: (1) real-time R command tracking and display coupled with the release of a companion MetaboAnalystR package; (2) a MS Peaks to Pathways module for prediction of pathway activity from untargeted mass spectral data using the mummichog algorithm; (3) a Biomarker Meta-analysis module for robust biomarker identification through the combination of multiple metabolomic datasets and (4) a Network Explorer module for integrative analysis of metabolomics, metagenomics, and/or transcriptomics data...
May 14, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/29761447/integration-of-plant-metabolomics-data-with-metabolic-networks-progresses-and-challenges
#10
Nadine Töpfer, Samuel M D Seaver, Asaph Aharoni
In the last decade, plant genome-scale modeling has developed rapidly and modeling efforts have advanced from representing metabolic behavior of plant heterotrophic cell suspensions to studying the complex interplay of cell types, tissues, and organs. A crucial driving force for such developments is the availability and integration of "omics" data (e.g., transcriptomics, proteomics, and metabolomics) which enable the reconstruction, extraction, and application of context-specific metabolic networks...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29760957/simulated-microgravity-induces-a-cellular-regression-of-the-mature-phenotype-in-human-primary-osteoblasts
#11
Magda Gioia, Anna Michaletti, Manuel Scimeca, Mario Marini, Umberto Tarantino, Lello Zolla, Massimo Coletta
Decreased mechanical loading on bones, such as prolonged bed rest and microgravity during space flights, leads to the development of an osteoporotic-like phenotype. Although osteoblast hypo-functionality is reported to be involved in the progression of bone pathological conditions, the cellular mechanisms of this process remain largely unknown. The combined application of mass spectrometry "-omics" and histochemical and ultrastructural approaches have been employed to investigate the effects of the gravitational unloading on human bone-cell biology...
2018: Cell Death Discovery
https://www.readbyqxmd.com/read/29752761/spatial-analysis-of-lipid-metabolites-and-expressed-genes-reveals-tissue-specific-heterogeneity-of-lipid-metabolism-in-high-and-low-oil-brassica-napus-l-seeds
#12
Shaoping Lu, Drew Sturtevant, Mina Aziz, Cheng Jin, Qing Li, Kent D Chapman, Liang Guo
Despite the importance of oilseeds to worldwide human nutrition, and more recently to the production of bio-based diesel fuels, the detailed mechanisms regulating seed oil biosynthesis remain partly understood, especially from a tissue-specific perspective. Here, we investigated the spatial distributions of lipid metabolites and transcripts involved in oil biosynthesis from seeds of two low-erucic acid genotypes of Brassica napus with high and low seed oil content. Integrated results from matrix-assisted laser desorption/ionization-mass spectrometry imaging (MALDI-MSI) of lipids in situ, lipidome profiling of extracts from seed tissues, and tissue-specific transcriptome analysis revealed complex spatial distribution patterns of lipids and transcripts...
May 11, 2018: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/29750386/saliva-in-the-omics-era-a-promising-tool-in-paediatrics
#13
Eftychia Pappa, Eleni Kousvelari, Heleni Vastardis
In vulnerable populations, such as infants and children, saliva makes the perfect diagnostic medium because of its non-invasive collection, easy handling and storage of samples. Its unique biomarker profiles help tremendously in the diagnosis of many diseases and conditions. In fact, saliva genomics, proteomics, transcriptomics, metabolomics and microbiome-based discoveries have led to complementary and powerful diagnostic information. In children and neonates, saliva is the preferred medium not only for diagnosis of caries and aggressive periodontitis but also for a number of systemic conditions, metabolic diseases, cognitive functions, stress assessment and evaluation of immunological and inflammatory responses to vaccination...
May 11, 2018: Oral Diseases
https://www.readbyqxmd.com/read/29749635/microbial-and-metabolic-multi-omic-correlations-in-systemic-sclerosis-patients
#14
Chiara Bellocchi, Álvaro Fernández-Ochoa, Gaia Montanelli, Barbara Vigone, Alessandro Santaniello, Christian Milani, Rosa Quirantes-Piné, Isabel Borrás-Linares, Marco Ventura, Antonio Segura-Carrettero, Marta Eugenia Alarcón-Riquelme, Lorenzo Beretta
Intestinal microbiota has been associated with systemic autoimmune diseases, yet the functional consequences of these associations are elusive. We characterized the fecal microbiota (16S rRNA gene amplification and sequencing) and the plasma metabolome (high-performance liquid chromatography coupled to mass spectrometry) in 59 patients with systemic sclerosis (SSc) and 28 healthy controls (HCs). Microbial and metabolic data were cross-correlated to find meaningful associations after extensive data mining analysis and internal validation...
May 11, 2018: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29743935/pharmacokinetics-of-chinese-medicines-strategies-and-perspectives
#15
REVIEW
Ru Yan, Ying Yang, Yijia Chen
The modernization and internationalization of Chinese medicines (CMs) are hampered by increasing concerns on the safety and the efficacy. Pharmacokinetic (PK) study is indispensable to establish concentration-activity/toxicity relationship and facilitate target identification and new drug discovery from CMs. To cope with tremendous challenges rooted from chemical complexity of CMs, the classic PK strategies have evolved rapidly from PK study focusing on marker/main drug components to PK-PD correlation study adopting metabolomics approaches to characterize associations between disposition of global drug-related components and host metabolic network shifts...
2018: Chinese Medicine
https://www.readbyqxmd.com/read/29740463/maize-stem-response-to-long-term-attack-by-sesamia-nonagrioides
#16
Victor M Rodriguez, Guillermo Padilla, Rosa A Malvar, Mario Kallenbach, Rogelio Santiago, Ana Butrón
Plants defend themselves against herbivores by activating a plethora of genetic and biochemical mechanisms aimed at reducing plant damage and insect survival. The short-term plant response to insect attack is well understood, but less is known about the maintenance of this response over time. We performed transcriptomic and metabolomics analyses in order to identify genes and metabolites involved in the long-term response of maize to attack by the corn borer Sesamina nonagrioides . To determine the role of elicitors present in caterpillar secretions, we also evaluated the response of maize stem challenged with insect regurgitates...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29729378/leveraging-knowledge-engineering-and-machine-learning-for-microbial-bio-manufacturing
#17
REVIEW
Tolutola Oyetunde, Forrest Sheng Bao, Jiung-Wen Chen, Hector Garcia Martin, Yinjie J Tang
Genome scale modeling (GSM) predicts the performance of microbial workhorses and helps identify beneficial gene targets. GSM integrated with intracellular flux dynamics, omics, and thermodynamics have shown remarkable progress in both elucidating complex cellular phenomena and computational strain design (CSD). Nonetheless, these models still show high uncertainty due to a poor understanding of innate pathway regulations, metabolic burdens, and other factors (such as stress tolerance and metabolite channeling)...
May 2, 2018: Biotechnology Advances
https://www.readbyqxmd.com/read/29727957/seasonal-metabolic-analysis-of-marine-sediments-collected-from-moreton-bay-in-south-east-queensland-australia-using-a-multi-omics-based-approach
#18
D J Beale, J Crosswell, A V Karpe, S S Metcalfe, P D Morrison, C Staley, W Ahmed, M J Sadowsky, E A Palombo, A D L Steven
Anthropogenic effects of urban density have altered natural ecosystems. Such changes include eutrophication of freshwater and adjoining coastal habitats, and increased levels of inorganic nutrients and pollutants into waterways. In Australia, these changes are intensified by large-scale ocean-atmospheric events, leading to considerable abiotic stress on the natural flora and fauna. Bacterial communities in marine sediments from Moreton Bay (South East Queensland, Australia) were examined in order to assess the impact of rainfall changes, chemical pollution, and subsequent abiotic stress on living organisms within a marine ecosystem...
August 1, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29727774/effects-of-environmental-stressors-on-lipid-metabolism-in-aquatic-invertebrates
#19
Min-Chul Lee, Jun Chul Park, Jae-Seong Lee
Lipid metabolism is crucial for the survival and propagation of the species, since lipids are an essential cellular component across animal taxa for maintaining homeostasis in the presence of environmental stressors. This review aims to summarize information on the lipid metabolism under environmental stressors in aquatic invertebrates. Fatty acid synthesis from glucose via de novo lipogenesis (DNL) pathway is mostly well-conserved across animal taxa. The structure of free fatty acid (FFA) from both dietary and DNL pathway could be transformed by elongase and desaturase...
April 25, 2018: Aquatic Toxicology
https://www.readbyqxmd.com/read/29724864/empowering-thyroid-hormone-research-in-human-subjects-using-omics-technologies
#20
Maik Pietzner, Tim Kacprowski, Nele Friedrich
OMICs subsume different physiological layers including the genome, transcriptome, proteome, and metabolome. Recent advances in analytical techniques allow for the exhaustive determination of bio-molecules in all OMICs levels from less invasive human specimens such as blood and urine. Investigating OMICs in deeply characterized population-based or experimental studies has led to seminal improvement of our understanding of genetic determinants of thyroid function, identified putative thyroid hormone target genes and thyroid hormone-induced shifts in the plasma protein and metabolite content...
May 3, 2018: Journal of Endocrinology
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