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https://www.readbyqxmd.com/read/28339833/vdac1-is-a-molecular-target-in-glioblastoma-with-its-depletion-leading-to-reprogrammed-metabolism-and-reversed-oncogenic-properties
#1
Tasleem Arif, Yakov Kerlin, Itay Nakdimon, Daniel Benharroch, Avijit Paul, Daniela Dadon-Klein, Varda Shoshan-Barmatz
Background.: Glioblastoma (GBM), an aggressive brain tumor with frequent relapses and a high mortality, still awaits an effective treatment. Like many cancers, GBM cells acquire oncogenic properties, including metabolic reprogramming, vital for growth. As such, tumor metabolism is an emerging avenue for cancer therapy. One relevant target is the voltage-dependent anion channel 1 (VDAC1), a mitochondrial protein controlling cell energy and metabolic homeostasis. Methods...
February 28, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28339481/proteomic-analysis-of-injured-storage-roots-in-cassava-manihot-esculenta-crantz-under-postharvest-physiological-deterioration
#2
Yuling Qin, Astride Stéphanie Mouafi Djabou, Feifei An, Kaimian Li, Zhaogui Li, Long Yang, Xiaojing Wang, Songbi Chen
Postharvest physiological deterioration (PPD) is a global challenge in the improvement of cassava value chain. However, how to reduce cassava spoilage and reveal the mechanism of injured cassava storage roots in response to PPD were poorly understood. In the present study, we investigated the activities of antioxidant enzymes of cassava injured storage roots in PPD-susceptible (SC9) and PPD-tolerant (QZ1) genotypes at the time-points from 0h to 120h, and further analyzed their proteomic changes using two-dimensional electrophoresis (2-DE) in combination with MALDI-TOF-MS/MS...
2017: PloS One
https://www.readbyqxmd.com/read/28335383/a-biomedical-investigation-of-the-hepatoprotective-effect-of-radix-salviae-miltiorrhizae-and-network-pharmacology-based-prediction-of-the-active-compounds-and-molecular-targets
#3
Ming Hong, Sha Li, Ning Wang, Hor-Yue Tan, Fan Cheung, Yibin Feng
Radix salviae miltiorrhizae (Danshen in Chinese), a classic traditional Chinese medicine (TCM) herb, has been used for centuries to treat liver diseases. In this study, the preventive and curative potential of Danshen aqueous extract on acute/chronic alcoholic liver disease (ALD) and non-alcoholic fatty liver disease (NAFLD) was studied. The in vivo results indicated that Danshen could alleviate hepatic inflammation, fatty degeneration, and haptic fibrogenesis in ALD and NAFLD models. In the aspect of mechanism of action, the significant reduction in MDA levels in both ALD and NAFLD models implies the decreased levels of oxidative stress by Danshen...
March 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28334019/cell-survival-and-differentiation-with-nanocrystalline-glass-like-carbon-using-substantia-nigra-dopaminergic-cells-derived-from-transgenic-mouse-embryos
#4
Noela Rodriguez-Losada, Pablo Romero, Guillermo Estivill-Torrús, Roberto Guzmán de Villoria, Jose A Aguirre
Regenerative medicine requires, in many cases, physical supports to facilitate appropriate cellular architecture, cell polarization and the improvement of the correct differentiation processes of embryonic stem cells, induced pluripotent cells or adult cells. Because the interest in carbon nanomaterials has grown within the last decade in light of a wide variety of applications, the aim of this study was to test and evaluate the suitability and cytocompatibility of a particular nanometer-thin nanocrystalline glass-like carbon film (NGLC) composed of curved graphene flakes joined by an amorphous carbon matrix...
2017: PloS One
https://www.readbyqxmd.com/read/28333395/small-molecules-belowground-the-role-of-specialized-metabolites-in-the-rhizosphere
#5
Hassan Massalha, Elisa Korenblum, Dorothea Tholl, Asaph Aharoni
Soil communities are diverse taxonomically and functionally. This ecosystem experiences highly complex networks of interactions, but may also present functionally independent entities. Plant roots, a metabolically active hotspot in the soil, take an essential part in belowground interactions. While plants are known to release an extremely high portion of the fixated carbon to the soil, less is known about the composition and role of C-containing compounds in the rhizosphere, in particular those involved in chemical communication...
March 23, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28331816/inhibition-of-fat-cell-differentiation-in-3t3-l1-pre-adipocytes-by-all-trans-retinoic-acid-integrative-analysis-of-transcriptomic-and-phenotypic-data
#6
Katharina Stoecker, Steffen Sass, Fabian J Theis, Hans Hauner, Michael W Pfaffl
The process of adipogenesis is controlled in a highly orchestrated manner, including transcriptional and post-transcriptional events. In developing 3T3-L1 pre-adipocytes, this program can be interrupted by all-trans retinoic acid (ATRA). To examine this inhibiting impact by ATRA, we generated large-scale transcriptomic data on the microRNA and mRNA level. Non-coding RNAs such as microRNAs represent a field in RNA turnover, which is very important for understanding the regulation of mRNA gene expression. High throughput mRNA and microRNA expression profiling was performed using mRNA hybridisation microarray technology and multiplexed expression assay for microRNA quantification...
March 2017: Biomolecular Detection and Quantification
https://www.readbyqxmd.com/read/28331574/microrna-and-thyroid-hormone-signaling-in-cardiac-and-skeletal-muscle
#7
REVIEW
Duo Zhang, Yan Li, Shengnan Liu, Yu-Cheng Wang, Feifan Guo, Qiwei Zhai, Jingjing Jiang, Hao Ying
Thyroid hormone (TH) signaling plays critical roles in the differentiation, growth, metabolism, and physiological function of all organs or tissues, including heart and skeletal muscle. Due to the significant progress in our understanding of the molecular mechanisms that underlie TH action, it's widely accepted that TH signaling is regulated at multiple levels. A growing number of discoveries suggest that microRNAs (miRNAs) act as fine-tune regulators of gene expression and adds sophisticated regulatory tiers to signaling pathways...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28330964/thermoregulatory-inversion-a-novel-thermoregulatory-paradigm
#8
Domenico Tupone, Georgina Cano, Shaun F Morrison
To maintain core body temperature in mammals, the normal CNS thermoregulatory reflex networks produce an increase in brown adipose tissue (BAT) thermogenesis in response to skin cooling, and an inhibition of the sympathetic outflow to BAT during skin rewarming. In contrast, these normal thermoregulatory reflexes appear to be inverted in hibernation/torpor: thermogenesis is inhibited during exposure to a cold environment, allowing dramatic reductions in core temperature and metabolism, and thermogenesis is activated during skin rewarming, contributing to a return of normal body temperature...
March 22, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28330963/decrease-in-a%C3%AE-42-predicts-dopa-resistant-gait-progression-in-early-parkinson-disease
#9
Lynn Rochester, Brook Galna, Sue Lord, Alison J Yarnall, Rosie Morris, Gordon Duncan, Tien K Khoo, Brit Mollenhauer, David J Burn
OBJECTIVE: This prospective observational study investigates the role of CSF biomarkers in predicting progression of dopa-resistant gait impairments in Parkinson disease (PD) in the first 36 months from diagnosis. METHODS: Quantitative gait analysis was carried out longitudinally using an instrumented walkway (GAITRite) in 108 people with PD and 130 age-matched controls. A subgroup of 44 people with PD underwent lumbar puncture from which a battery of CSF biomarkers was measured: β-amyloid 1-42 and 1-40 (Aβ42 and Aβ40), total and phosphorylated tau protein (t-tau/p-tau181), and α-synuclein (αSyn)...
March 22, 2017: Neurology
https://www.readbyqxmd.com/read/28330614/a-predictive-3d-multi-scale-model-of-biliary-fluid-dynamics-in-the-liver-lobule
#10
Kirstin Meyer, Oleksandr Ostrenko, Georgios Bourantas, Hernan Morales-Navarrete, Natalie Porat-Shliom, Fabian Segovia-Miranda, Hidenori Nonaka, Ali Ghaemi, Jean-Marc Verbavatz, Lutz Brusch, Ivo Sbalzarini, Yannis Kalaidzidis, Roberto Weigert, Marino Zerial
Bile, the central metabolic product of the liver, is transported by the bile canaliculi network. The impairment of bile flow in cholestatic liver diseases has urged a demand for insights into its regulation. Here, we developed a predictive 3D multi-scale model that simulates fluid dynamic properties successively from the subcellular to the tissue level. The model integrates the structure of the bile canalicular network in the mouse liver lobule, as determined by high-resolution confocal and serial block-face scanning electron microscopy, with measurements of bile transport by intravital microscopy...
March 15, 2017: Cell Systems
https://www.readbyqxmd.com/read/28330322/de-novo-transcriptome-sequencing-in-monsonia-burkeana-revealed-putative-genes-for-key-metabolic-pathways-involved-in-tea-quality-and-medicinal-value
#11
Adugna A Woldesemayat, Khayalethu Ntushelo, David M Modise
Monsonia (Monsonia burkeana Planch. ex Harv) is one of the most valuable tea and traditional medicinal plants used in Southern Africa. In spite of this, there is no sequence information regarding this plant in literature. To provide understanding of the naturally occurring tea and drug-specific products and the key pathways for the biosynthesis of these molecules, we sequenced the leaf transcriptome using Illumina MiSeq platform and generated 2,590,652 paired-end reads that were assembled de novo into 45,450 high-quality transcripts...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329785/beet-root-juice-an-ergogenic-aid-for-exercise-and-the-aging-brain
#12
Meredith Petrie, W Jack Rejeski, Swati Basu, Paul J Laurienti, Anthony P Marsh, James L Norris, Daniel B Kim-Shapiro, Jonathan H Burdette
Background: Exercise has positive neuroplastic effects on the aging brain. It has also been shown that ingestion of beet root juice (BRJ) increases blood flow to the brain and enhances exercise performance. Here, we examined whether there are synergistic effects of BRJ and exercise on neuroplasticity in the aging brain. Methods: Peak metabolic equivalent (MET) capacity and resting-state magnetic resonance imaging functional brain network organization are reported on 26 older (mean age = 65...
November 9, 2016: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28329687/impact-of-dietary-interventions-on-noncoding-rna-networks-and-mrnas-encoding-chromatin-related-factors
#13
Christopher D Green, Yi Huang, Xiaoyang Dou, Liu Yang, Yong Liu, Jing-Dong J Han
Dietary interventions dramatically affect metabolic disease and lifespan in various aging models. Here, we profiled liver microRNA (miRNA), coding, and long non-coding RNA (lncRNA) expression by high-throughput deep sequencing in mice across multiple energy intake and expenditure interventions. Strikingly, three dietary intervention network design patterns were uncovered: (1) lifespan-extending interventions largely repressed the expression of miRNAs, lncRNAs, and transposable elements; (2) protein-coding mRNAs with expression positively correlated with long lifespan are highly targeted by miRNAs; and (3) miRNA-targeting interactions mainly target chromatin-related functions...
March 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28328971/mapping-the-n-linked-glycosites-of-rice-oryza-sativa-l-germinating-embryos
#14
Jiezheng Ying, Juan Zhao, Yuxuan Hou, Yifeng Wang, Jiehua Qiu, Zhiyong Li, Xiaohong Tong, Zhaomei Shi, Jun Zhu, Jian Zhang
Germination is a key event in the angiosperm life cycle. N-glycosylation of proteins is one of the most common post-translational modifications, and has been recognized to be an important regulator of the proteome of the germinating embryo. Here, we report the first N-linked glycosites mapping of rice embryos during germination by using a hydrophilic interaction chromatography (HILIC) glycopeptides enrichment strategy associated with high accuracy mass spectrometry identification. A total of 242 glycosites from 191 unique proteins was discovered...
2017: PloS One
https://www.readbyqxmd.com/read/28327391/detection-assessment-and-treatment-of-children-with-familial-hypercholesterolaemia-in-scotland
#15
Alison Cozens, Susan McMahon, Janet Purves, Zosia Miedzybrodska, E Mason
No abstract text is available yet for this article.
December 2016: Atherosclerosis
https://www.readbyqxmd.com/read/28326315/genomewide-expression-and-functional-interactions-of-genes-under-drought-stress-in-maize
#16
Nepolean Thirunavukkarasu, Rinku Sharma, Nidhi Singh, Kaliyugam Shiriga, Sweta Mohan, Swati Mittal, Shikha Mittal, Mallana Gowdra Mallikarjuna, Atmakuri Ramakrishna Rao, Prasanta Kumar Dash, Firoz Hossain, Hari Shanker Gupta
A genomewide transcriptome assay of two subtropical genotypes of maize was used to observe the expression of genes at seedling stage of drought stress. The number of genes expressed differentially was greater in HKI1532 (a drought tolerant genotype) than in PC3 (a drought sensitive genotype), indicating primary differences at the transcriptional level in stress tolerance. The global coexpression networks of the two genotypes differed significantly with respect to the number of modules and the coexpression pattern within the modules...
2017: International Journal of Genomics
https://www.readbyqxmd.com/read/28326294/the-eukaryote-like-serine-threonine-kinase-stk-regulates-the-growth-and-metabolism-of-zoonotic-streptococcus-suis
#17
Chunyan Zhang, Wen Sun, Meifang Tan, Mengmeng Dong, Wanquan Liu, Ting Gao, Lu Li, Zhuofei Xu, Rui Zhou
Like eukaryotes, bacteria express one or more serine/threonine kinases (STKs) that initiate diverse signaling networks. The STK from Streptococcus suis is encoded by a single-copy stk gene, which is crucial in stress response and virulence. To further understand the regulatory mechanism of STK in S. suis, a stk deletion strain (Δstk) and its complementary strain (CΔstk) were constructed to systematically decode STK characteristics by applying whole transcriptome RNA sequencing (RNA-Seq) and phosphoproteomic analysis...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28326037/differences-on-brain-connectivity-in-adulthood-are-present-in-subjects-with-iron-deficiency-anemia-in-infancy
#18
Cecilia Algarin, Keerthana Deepti Karunakaran, Sussanne Reyes, Cristian Morales, Betsy Lozoff, Patricio Peirano, Bharat Biswal
Iron deficiency continues to be the most prevalent micronutrient deficit worldwide. Since iron is involved in several processes including myelination, dopamine neurotransmission and neuronal metabolism, the presence of iron deficiency anemia (IDA) in infancy relates to long-lasting neurofunctional effects. There is scarce data regarding whether these effects would extend to former iron deficient anemic human adults. Resting state functional magnetic resonance imaging (fMRI) is a novel technique to explore patterns of functional connectivity...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28325918/robust-analysis-of-fluxes-in-genome-scale-metabolic-pathways
#19
Michael MacGillivray, Amy Ko, Emily Gruber, Miranda Sawyer, Eivind Almaas, Allen Holder
Constraint-based optimization, such as flux balance analysis (FBA), has become a standard systems-biology computational method to study cellular metabolisms that are assumed to be in a steady state of optimal growth. The methods are based on optimization while assuming (i) equilibrium of a linear system of ordinary differential equations, and (ii) deterministic data. However, the steady-state assumption is biologically imperfect, and several key stoichiometric coefficients are experimentally inferred from situations of inherent variation...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28325852/extended-multiplexing-of-tmt-labeling-reveals-age-and-high-fat-diet-specific-proteome-changes-in-mouse-epididymal-adipose-tissue
#20
Deanna L Plubell, Phillip A Wilmarth, Yuqi Zhao, Alexandra M Fenton, Jessica Minnier, Ashok P Reddy, John Klimek, Xia Yang, Larry L David, Nathalie Pamir
The lack of high-throughput methods to analyze the adipose tissue protein composition limits our understanding of the protein networks responsible for age and diet related metabolic response. We have developed an approach using multiple-dimension liquid chromatography tandem mass spectrometry and extended multiplexing (24 biological samples) with TMT labeling to analyze proteomes of epididymal adipose tissues isolated from mice fed either low or high fat diet for a short or a long-term, and from mice that aged on low vs...
March 21, 2017: Molecular & Cellular Proteomics: MCP
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