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https://www.readbyqxmd.com/read/28820493/marine-lipids-on-cardiovascular-diseases-and-other-chronic-diseases-induced-by-diet-an-insight-provided-by-proteomics-and-lipidomics
#1
REVIEW
Lucía Méndez, Gabriel Dasilva, Nùria Taltavull, Marta Romeu, Isabel Medina
Marine lipids, especially ω-3 polyunsaturated fatty acids (PUFAs) eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), have largely been linked to prevention of diet-induced diseases. The anti-inflammatory and hypolipidemic properties of EPA and DHA supplementation have been well-described. However, there is still a significant lack of information about their particular mechanism of action. Furthermore, repeated meta-analyses have not shown conclusive results in support of their beneficial health effects...
August 18, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28819274/distinct-carbon-sources-affect-structural-and-functional-maturation-of-cardiomyocytes-derived-from-human-pluripotent-stem-cells
#2
Cláudia Correia, Alexey Koshkin, Patrícia Duarte, Dongjian Hu, Ana Teixeira, Ibrahim Domian, Margarida Serra, Paula M Alves
The immature phenotype of human pluripotent stem cell derived cardiomyocytes (hPSC-CMs) constrains their potential in cell therapy and drug testing. In this study, we report that shifting hPSC-CMs from glucose-containing to galactose- and fatty acid-containing medium promotes their fast maturation into adult-like CMs with higher oxidative metabolism, transcriptional signatures closer to those of adult ventricular tissue, higher myofibril density and alignment, improved calcium handling, enhanced contractility, and more physiological action potential kinetics...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819133/combined-transcriptome-and-metabolome-analyses-of-metformin-effects-reveal-novel-links-between-metabolic-networks-in-steroidogenic-systems
#3
Sameer S Udhane, Balazs Legeza, Nesa Marti, Damian Hertig, Gaëlle Diserens, Jean-Marc Nuoffer, Peter Vermathen, Christa E Flück
Metformin is an antidiabetic drug, which inhibits mitochondrial respiratory-chain-complex I and thereby seems to affect the cellular metabolism in many ways. It is also used for the treatment of the polycystic ovary syndrome (PCOS), the most common endocrine disorder in women. In addition, metformin possesses antineoplastic properties. Although metformin promotes insulin-sensitivity and ameliorates reproductive abnormalities in PCOS, its exact mechanisms of action remain elusive. Therefore, we studied the transcriptome and the metabolome of metformin in human adrenal H295R cells...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810121/comparative-proteomic-and-transcriptomic-analysis-of-follistatin-induced-skeletal-muscle-hypertrophy
#4
Caroline Barbé, Fabrice Bray, Marine Gueugneau, Stéphanie Devassine, Pascale Lause, Caroline Tokarski, Christian Rolando, Jean-Paul Thissen
Skeletal muscle, the most abundant body's tissue, plays vital roles in locomotion and metabolism. Myostatin is a negative regulator of skeletal muscle mass. In addition to increase muscle mass, Myostatin inhibition impacts on muscle contractility and energy metabolism. To decipher the mechanisms of action of the Myostatin inhibitors, we used proteomic and transcriptomic approaches to investigate the changes induced in skeletal muscles of transgenic mice overexpressing Follistatin, a physiological Myostatin inhibitor...
August 15, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28806583/plant-genome-scale-reconstruction-from-single-cell-to-multi-tissue-modelling-and-omics-analyses
#5
REVIEW
Cristiana Gomes de Oliveira Dal'Molin, Lars Keld Nielsen
In this review, we present the latest developments in plant systems biology with particular emphasis on plant genome-scale reconstructions and multi-omics analyses. Understanding multicellular metabolism is far from trivial and 'omics' data are difficult to interpret in the absence of a systems framework. 'Omics' data appropriately integrated with genome-scale reconstructions and modelling facilitates our understanding of how individual components interact and influence overall cell, tissue or organisms function...
August 11, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28798503/working-up-a-good-sweat-the-challenges-of-standardising-sweat-collection-for-metabolomics-analysis
#6
REVIEW
Joy N Hussain, Nitin Mantri, Marc M Cohen
INTRODUCTION: Human sweat is a complex biofluid of interest to diverse scientific fields. Metabolomics analysis of sweat promises to improve screening, diagnosis and self-monitoring of numerous conditions through new applications and greater personalisation of medical interventions. Before these applications can be fully developed, existing methods for the collection, handling, processing and storage of human sweat need to be revised. This review presents a cross-disciplinary overview of the origins, composition, physical characteristics and functional roles of human sweat, and explores the factors involved in standardising sweat collection for metabolomics analysis...
February 2017: Clinical Biochemist. Reviews
https://www.readbyqxmd.com/read/28795660/systems-and-synthetic-biology-perspective-of-the-versatile-plant-pathogenic-and-polysaccharide-producing-bacterium-xanthomonas-campestris
#7
Sarah Schatschneider, Jessica Schneider, Jochen Blom, Fabien Létisse, Karsten Niehaus, Alexander Goesmann, Frank-Jörg Vorhölter
Bacteria of the genus Xanthomonas are a major group of plant pathogens. They are hazardous to important crops and closely related to human pathogens. Being collectively a major focus of molecular phytopathology, an increasing number of diverse and intricate mechanisms are emerging by which they communicate, interfere with host signalling and keep competition at bay. Interestingly, they are also biotechnologically relevant polysaccharide producers. Systems biotechnology techniques have revealed their central metabolism and a growing number of remarkable features...
August 10, 2017: Microbiology
https://www.readbyqxmd.com/read/28793788/improvements-in-algal-lipid-production-a-systems-biology-and-gene-editing-approach
#8
Avik Banerjee, Chiranjib Banerjee, Sangeeta Negi, Jo-Shu Chang, Pratyoosh Shukla
BACKGROUND: In the wake of rising energy demands, microalgae have emerged as potential sources of sustainable and renewable carbon-neutral fuels, such as bio-hydrogen and bio-oil. PURPOSE: For rational metabolic engineering, the elucidation of metabolic pathways in fine detail and their manipulation according to requirements is the key to exploiting the use of microalgae. Emergence of site-specific nucleases have revolutionized applied research leading to biotechnological gains...
August 9, 2017: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/28783113/-omics-in-human-colostrum-and-mature-milk-looking-to-old-data-with-new-eyes
#9
REVIEW
Flaminia Bardanzellu, Vassilios Fanos, Alessandra Reali
Human Milk (HM) is the best source for newborn nutrition until at least six months; it exerts anti-inflammatory and anti-infective functions, promotes immune system formation and supports organ development. Breastfeeding could also protect from obesity, diabetes and cardiovascular disease. Furthermore, human colostrum (HC) presents a peculiar role in newborn support as a protective effect against allergic and chronic diseases, in addition to long-term metabolic benefits. In this review, we discuss the recent literature regarding "omics" technologies and growth factors (GF) in HC and the effects of pasteurization on its composition...
August 7, 2017: Nutrients
https://www.readbyqxmd.com/read/28780386/salivary-microbiome-in-non-oral-disease-a-summary-of-evidence-and-commentary
#10
REVIEW
Aneesha Acharya, Yuki Chan, Supriya Kheur, Li Jian Jin, Rory M Watt, Nikos Mattheos
OBJECTIVE: The advent of high-throughput sequencing and 'omic' technologies is facilitating an 'open-ended' understanding of the human microbial community and its interplay with health. This commentary aims to present key perspectives and summarize current evidence from metagenomic studies of salivary microbiota in relation to general health and systemic diseases. DESIGN: A narrative review of studies that described salivary microbiome composition in relation to various general health conditions was conducted and the main results were summarized...
July 29, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28780062/metabolic-disruption-of-zebrafish-danio-rerio-embryos-by-bisphenol-a-an-integrated-metabolomic-and-transcriptomic-approach
#11
Elena Ortiz-Villanueva, Laia Navarro-Martín, Joaquim Jaumot, Fernando Benavente, Victoria Sanz-Nebot, Benjamín Piña, Romà Tauler
Although bisphenol A (BPA) is commonly recognized as an endocrine disruptor, the metabolic consequences of its exposure are still poorly understood. In this study, we present a non-targeted LC-MS based metabolomic analysis in combination with a full-genome, high-throughput RNA sequencing (RNA-Seq) to reveal the metabolic effects and the subjacent regulatory pathways of exposing zebrafish embryos to BPA during the first 120 hours post-fertilization. We applied multivariate data analysis methods to extract biochemical information from the LC-MS and RNA-Seq complex datasets and to perform testable predictions of the phenotypic adverse effects...
August 3, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28771968/metabolic-potential-and-in-situ-activity-of-marine-marinimicrobia-bacteria-in-an-anoxic-water-column
#12
Anthony D Bertagnolli, Cory C Padilla, Jennifer B Glass, Bo Thamdrup, Frank J Stewart
Marinimicrobia bacteria are widespread in sub-euphotic areas of the oceans and particularly abundant in oxygen minimum zones (OMZs). Information on Marinimicrobia metabolism is sparse, making the biogeochemical influence of this group challenging to predict. Here, metagenome-assembled genomes representing Marinimicrobia subgroups PN262000N21 and ARCTIC96B-7 were retrieved to near completion (97% and 94%) from OMZ metagenomes, with contamination (14.1%) observed only in ARCTIC96B-7. Genes for aerobic carbon monoxide (CO) oxidation, polysulfide metabolism, and hydrogen utilization were identified only in PN262000N21, while genes for partial denitrification occurred in both genomes...
August 3, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28769878/ecological-energetic-perspectives-on-responses-of-nitrogen-transforming-chemolithoautotrophic-microbiota-to-changes-in-the-marine-environment
#13
REVIEW
Hongyue Dang, Chen-Tung A Chen
Transformation and mobilization of bioessential elements in the biosphere, lithosphere, atmosphere, and hydrosphere constitute the Earth's biogeochemical cycles, which are driven mainly by microorganisms through their energy and material metabolic processes. Without microbial energy harvesting from sources of light and inorganic chemical bonds for autotrophic fixation of inorganic carbon, there would not be sustainable ecosystems in the vast ocean. Although ecological energetics (eco-energetics) has been emphasized as a core aspect of ecosystem analyses and microorganisms largely control the flow of matter and energy in marine ecosystems, marine microbial communities are rarely studied from the eco-energetic perspective...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28768216/a-multi-omics-based-ecological-analysis-of-coastal-marine-sediments-from-gladstone-in-australia-s-central-queensland-and-heron-island-a-nearby-fringing-platform-reef
#14
D J Beale, J Crosswell, A V Karpe, W Ahmed, M Williams, P D Morrison, S Metcalfe, C Staley, M J Sadowsky, E A Palombo, A D L Steven
The impact of anthropogenic factors arising from point and non-point pollution sources at a multi commodity marine port and its surrounding ecosystems were studied using sediment samples collected from a number of onshore (Gladstone Harbour and Facing Island) and offshore (Heron Island and Fitzroy Reefs) sites in Australia's Central Queensland. Sediment samples were analyzed for trace metals, organic carbon, polycyclic aromatic hydrocarbons (PAH), emerging chemicals of concern (ECC) and sterols. Similarly, the biological and biochemical interaction between the reef and its environment was analyzed by the multi-omic tools of next-generation sequencing characterization of the bacterial community and microbial community metabolic profiling...
July 30, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28764798/an-interaction-map-of-circulating-metabolites-immune-gene-networks-and-their-genetic-regulation
#15
Artika P Nath, Scott C Ritchie, Sean G Byars, Liam G Fearnley, Aki S Havulinna, Anni Joensuu, Antti J Kangas, Pasi Soininen, Annika Wennerström, Lili Milani, Andres Metspalu, Satu Männistö, Peter Würtz, Johannes Kettunen, Emma Raitoharju, Mika Kähönen, Markus Juonala, Aarno Palotie, Mika Ala-Korpela, Samuli Ripatti, Terho Lehtimäki, Gad Abraham, Olli Raitakari, Veikko Salomaa, Markus Perola, Michael Inouye
BACKGROUND: Immunometabolism plays a central role in many cardiometabolic diseases. However, a robust map of immune-related gene networks in circulating human cells, their interactions with metabolites, and their genetic control is still lacking. Here, we integrate blood transcriptomic, metabolomic, and genomic profiles from two population-based cohorts (total N = 2168), including a subset of individuals with matched multi-omic data at 7-year follow-up. RESULTS: We identify topologically replicable gene networks enriched for diverse immune functions including cytotoxicity, viral response, B cell, platelet, neutrophil, and mast cell/basophil activity...
August 1, 2017: Genome Biology
https://www.readbyqxmd.com/read/28760369/towards-systems-metabolic-engineering-in-pichia-pastoris
#16
REVIEW
Jan-Philipp Schwarzhans, Tobias Luttermann, Martina Geier, Jörn Kalinowski, Karl Friehs
The methylotrophic yeast Pichia pastoris is firmly established as a host for the production of recombinant proteins, frequently outperforming other heterologous hosts. Already, a sizeable amount of systems biology knowledge has been acquired for this non-conventional yeast. By applying various omics-technologies, productivity features have been thoroughly analyzed and optimized via genetic engineering. However, challenging clonal variability, limited vector repertoire and insufficient genome annotation have hampered further developments...
July 28, 2017: Biotechnology Advances
https://www.readbyqxmd.com/read/28758121/metabolomics-and-cardiology-toward-the-path-of-perinatal-programming-and-personalized-medicine
#17
REVIEW
Roberta Pintus, Pier Paolo Bassareo, Angelica Dessì, Martino Deidda, Giuseppe Mercuro, Vassilios Fanos
Heart diseases are one of the leading causes of death in Western Countries and tend to become chronic, lowering the quality of life of the patients and ending up in a massive cost for the Health Systems and the society. Thus, there is a growing interest in finding new technologies that would allow the physician to effectively treat and prevent cardiac illnesses. Metabolomics is one of the new "omics" sciences enabling creation of a photograph of the metabolic state of an individual exposed to different environmental factors and pathologies...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28758015/applying-generalized-additive-models-to-unravel-dynamic-changes-in-anthocyanin-biosynthesis-in-methyl-jasmonate-elicited-grapevine-vitis-vinifera-cv-gamay-cell-cultures
#18
Nay Min Min Thaw Saw, Claudio Moser, Stefan Martens, Pietro Franceschi
Plant cell cultures represent important model systems to understand metabolism and its modulation by regulatory factors. Even in controlled conditions, cell metabolism is highly dynamic and can be fully characterized only by time course experiments. Here, we show that statistical analysis of this type of data gains power if it moves to approaches able to compare the 'trends' of the different metabolites. In particular, we show how generalized additive models can be used to model the time-dependent profile of anthocyanin synthesis in grapevine cell suspension cultures (Vitis vinifera cv...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28754100/identifying-genomic-targets-for-protein-over-expression-by-omics-analysis-of-quiescent-escherichia-coli-cultures
#19
Shubhashree Mahalik, Ashish Kumar Sharma, Priyanka Jain, Krishna Jyoti Mukherjee
BACKGROUND: A cellular stress response is triggered upon induction of recombinant protein expression which feedback inhibits both growth as well as protein synthesis. In order to separate these two effects, it was decided to study "quiescent cultures" which continue to be metabolically active and express recombinant proteins even after growth cessation. The idea was to identify and up-regulate genes which are responsible for protein synthesis in the absence of growth. This would ensure that, even if growth were adversely affected post induction, there would be no attendant reduction in the protein expression capability of the cells...
July 28, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28754000/the-role-of-tumor-microenvironment-in-chemoresistance-to-survive-keep-your-enemies-closer
#20
REVIEW
Dimakatso Alice Senthebane, Arielle Rowe, Nicholas Ekow Thomford, Hendrina Shipanga, Daniella Munro, Mohammad A M Al Mazeedi, Hashim A M Almazyadi, Karlien Kallmeyer, Collet Dandara, Michael S Pepper, M Iqbal Parker, Kevin Dzobo
Chemoresistance is a leading cause of morbidity and mortality in cancer and it continues to be a challenge in cancer treatment. Chemoresistance is influenced by genetic and epigenetic alterations which affect drug uptake, metabolism and export of drugs at the cellular levels. While most research has focused on tumor cell autonomous mechanisms of chemoresistance, the tumor microenvironment has emerged as a key player in the development of chemoresistance and in malignant progression, thereby influencing the development of novel therapies in clinical oncology...
July 21, 2017: International Journal of Molecular Sciences
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