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myo-inositol

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https://www.readbyqxmd.com/read/28548710/measurement-of-glycine-in-healthy-and-tumorous-brain-by-triple-refocusing-mrs-at-3%C3%A2-t-in-vivo
#1
Vivek Tiwari, Zhongxu An, Sandeep K Ganji, Jeannie Baxter, Toral R Patel, Edward Pan, Bruce E Mickey, Elizabeth A Maher, Marco C Pinho, Changho Choi
Glycine (Gly) has been implicated in several neurological disorders, including malignant brain tumors. The precise measurement of Gly is challenging largely as a result of the spectral overlap with myo-inositol (mI). We report a new triple-refocusing sequence for the reliable co-detection of Gly and mI at 3 T and for the evaluation of Gly in healthy and tumorous brain. The sequence parameters were optimized with density-matrix simulations and phantom validation. With a total TE of 134 ms, the sequence gave complete suppression of the mI signal between 3...
May 26, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28544572/inositol-treatment-of-anovulation-in-women-with-polycystic-ovary-syndrome-a-meta-analysis-of-randomised-trials
#2
Jyotsna Pundir, Dimitrios Psaroudakis, Prakash Savnur, Priya Bhide, Luca Sabatini, Helena Teede, Arri Coomarasamy, Shakila Thangaratinam
BACKGROUND: Polycystic ovary syndrome is a common cause of anovulation and infertility, and a risk factor for development of metabolic syndrome and endometrial cancer. OBJECTIVES: Systematic review and meta-analysis of randomised controlled trials that evaluated the effects of inositol as an ovulation-induction agent. SEARCH STRATEGY: We searched MEDLINE, EMBASE, Cochrane and ISI conference proceedings, Register and Meta-register for RCTs and WHO trials' search portal...
May 24, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28542579/transcriptomic-dissection-reveals-wide-spread-differential-expression-in-chickpea-during-early-time-points-of-fusarium-oxysporum-f-sp-ciceri-race-1-attack
#3
Sumanti Gupta, Anirban Bhar, Moniya Chatterjee, Amartya Ghosh, Sampa Das
Plants' reaction to underground microorganisms is complex as sessile nature of plants compels them to prioritize their responses to diverse microorganisms both pathogenic and symbiotic. Roots of important crops are directly exposed to diverse microorganisms, but investigations involving root pathogens are significantly less. Thus, more studies involving root pathogens and their target crops are necessitated to enrich the understanding of underground interactions. Present study reported the molecular complexities in chickpea during Fusarium oxysporum f...
2017: PloS One
https://www.readbyqxmd.com/read/28523763/proton-mr-spectroscopy-of-lesion-evolution-in-multiple-sclerosis-steady-state-metabolism-and-its-relationship-to-conventional-imaging
#4
Ivan I Kirov, Shu Liu, Assaf Tal, William E Wu, Matthew S Davitz, James S Babb, Henry Rusinek, Joseph Herbert, Oded Gonen
Although MRI assessment of white matter lesions is essential for the clinical management of multiple sclerosis, the processes leading to the formation of lesions and underlying their subsequent MRI appearance are incompletely understood. We used proton MR spectroscopy to study the evolution of N-acetyl-aspartate (NAA), creatine (Cr), choline (Cho), and myo-inositol (mI) in pre-lesional tissue, persistent and transient new lesions, as well as in chronic lesions, and related the results to quantitative MRI measures of T1-hypointensity and T2-volume...
May 19, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28523532/progressive-pathological-changes-in-neurochemical-profile-of-the-hippocampus-and-early-changes-in-the-olfactory-bulbs-of-tau-transgenic-mice-rtg4510
#5
Jieun Kim, In-Young Choi, Karen E Duff, Phil Lee
Tauopathies such as Alzheimer's disease and frontotemporal lobe degeneration (FTLD-tau) dementia, characterized by pathologic aggregation of the microtubule-associated tau protein and formation of neurofibrillary tangles, have been linked to neurodegeneration and cognitive decline. The early detection of cerebral abnormalities and the identification of biological contributors to the continuous pathologic processes of neurodegeneration in tauopathies critically hinge on sensitive and reliable measures of biomarkers in the living brain...
May 18, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28522802/proteome-remodelling-by-the-stress-sigma-factor-rpos-%C3%AF-s-in-salmonella-identification-of-small-proteins-and-evidence-for-post-transcriptional-regulation
#6
Magali Lago, Véronique Monteil, Thibaut Douche, Julien Guglielmini, Alexis Criscuolo, Corinne Maufrais, Mariette Matondo, Françoise Norel
The RpoS/σ(S) sigma subunit of RNA polymerase is the master regulator of the general stress response in many Gram-negative bacteria. Extensive studies have been conducted on σ(S)-regulated gene expression at the transcriptional level. In contrast, very limited information regarding the impact of σ(S) on global protein production is available. In this study, we used a mass spectrometry-based proteomics approach to explore the wide σ(S)-dependent proteome of the human pathogen Salmonella enterica serovar Typhimurium...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28508118/effects-of-aeration-on-metabolic-profiles-of-mortierella-alpina-during-the-production-of-arachidonic-acid
#7
Xin Zhang, Ling Jiang, Li-Ying Zhu, Qin-Ke Shen, Xiao-Jun Ji, He Huang, Hong-Man Zhang
To investigate the metabolic regulation against oxygen supply, comparative metabolomics was performed to explore the metabolic responses of Mortierella alpina in the process of arachidonic acid (ARA) production. More than 110 metabolites involved in Embden-Meyerhof-Parnas pathway, pentose phosphate pathway, tricarboxylic acid cycle, inositol phosphate metabolism, fatty acid biosynthesis, and amino acid metabolism were identified by gas chromatography-mass spectrometry. Samples at different aeration rates were clearly distinguished by principal components analysis and partial least squares analysis, indicating that oxygen supply had a profound effect on the metabolism of M...
May 15, 2017: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28503928/effect-of-intermittent-feeding-and-oat-hulls-to-improve-phytase-efficacy-and-digestive-function-in-broiler-chickens
#8
A Sacranie, X Adiya, L T Mydland, B Svihus
1. Two trials were carried out to investigate the impact of intermittent feeding and oat hulls as methods to stimulate the anterior digestive tract in broiler chickens. 2. In Trial 1, 7 d old broilers were placed 4 per cage in 48 cages and fed either ad libitum or intermittently on a diet with 50 g/kg of either oat hulls or cellulose with or without 1000 FTU phytase, in a 2 x 2 x 2 factorial arrangement. Ad libitum fed birds had two 4-h dark periods with 1 h light in-between, while intermittently fed birds in addition had restricted access to feed through 4 1-h feeding bouts...
May 15, 2017: British Poultry Science
https://www.readbyqxmd.com/read/28501026/metabolically-speaking-possible-reasons-behind-the-tolerance-of-sugar-belle-mandarin-hybrid-to-huanglongbing
#9
Nabil Killiny, Maria Filomena Valim, Shelley E Jones, Ahmad A Omar, Faraj Hijaz, Fred G Gmitter, Jude W Grosser
Huanglongbing (HLB) is currently considered the most destructive disease of citrus. Since its spread to the Americas, HLB has killed millions of trees and caused a sharp decline in production in many citrus growing regions. With the continuous spread of HLB disease in Florida and worldwide, there is an urgent need for the development of commercial citrus cultivars with a strong tolerance to HLB. Interestingly, field observations showed that some of the recently released mandarin hybrids such as 'Sugar Belle' were tolerant to HLB...
May 4, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28498852/ultra-high-field-7tesla-magnetic-resonance-spectroscopy-in-amyotrophic-lateral-sclerosis
#10
Nazem Atassi, Maosheng Xu, Christina Triantafyllou, Boris Keil, Robert Lawson, Paul Cernasov, Elena Ratti, Christopher J Long, Sabrina Paganoni, Alyssa Murphy, Nouha Salibi, Ravi Seethamraju, Bruce Rosen, Eva-Maria Ratai
The main objective of this study was to utilize high field (7T) in vivo proton magnetic resonance imaging to increase the ability to detect metabolite changes in people with ALS, specifically, to quantify levels of glutamine and glutamine separately. The second objective of this study was to correlate metabolic markers with clinical outcomes of disease progression. 13 ALS participants and 12 age-matched healthy controls (HC) underwent 7 Tesla MRI and MRS. Single voxel MR spectra were acquired from the left precentral gyrus using a very short echo time (TE = 5 ms) STEAM sequence...
2017: PloS One
https://www.readbyqxmd.com/read/28495892/lux-bacterial-biosensors-for-in-vivo-spatiotemporal-mapping-of-root-secretion
#11
Francesco Pini, Alison K East, Corinne Appia-Ayme, Jakub Tomek, Ramakrishnan Karunakaran, Marcela Mendoza-Suarez, Anne Edwards, Jason Terpolilli, Joshua Roworth, J Allan Downie, Philip S Poole
Plants engineer the rhizosphere to their advantage by secreting various nutrients and secondary metabolites. Coupling transcriptomic and metabolomic analysis of the Pisum sativum rhizosphere, a suite of bioreporters has been developed in Rhizobium leguminosarum bv. viciae 3841, and these detect metabolites secreted by roots in space and time. Fourteen bacterial lux-fusion bioreporters, specific for sugars, polyols, amino acids, organic acids or flavonoids, have been validated in vitro and in vivo. Using different bacterial mutants (nodC, nifH), the process of colonization and symbiosis has been analyzed, revealing compounds important in the different steps of the rhizobial-legume association...
May 11, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28485095/comparison-of-myo-inositol-and-metformin-on-clinical-metabolic-and-genetic-parameters-in-polycystic-ovary-syndrome-a-randomized-controlled-clinical-trial
#12
Mehri Jamilian, Pegah Farhat, Fatemeh Foroozanfard, Faraneh Afshar Ebrahimi, Esmat Aghadavod, Fereshteh Bahmani, Bita Badehnoosh, Hamidreza Jamilian, Zatollah Asemi
OBJECTIVE: To our knowledge, data on comparison of myo-inositol and metformin on clinical, metabolic and genetic parameters in subjects with polycystic ovary syndrome (PCOS) are limited. This study was carried out to compare myo-inositol and metformin on clinical, metabolic and genetic parameters in subjects with PCOS. DESIGN, PATIENTS AND MEASUREMENTS: This randomized controlled trial was conducted among 60 subjects with PCOS aged 18-40 years. Subjects were randomly allocated into two groups to receive either myo-inositol (N=30) or metformin (N=30) for 12 weeks...
May 9, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28485048/cyclohexylamine-inexplicably-induces-antennae-loss-in-formosan-subterranean-termites-coptotermes-formosanus-shiraki-cyclohexylamine-hydrogen-phosphate-salts-are-novel-termiticides
#13
Brantley Grimball, Lucas Veillon, Tara Calhoun, Frank R Fronczek, Emily Arceneaux, Roger A Laine
BACKGROUND: In experiments with Formosan Subterranean Termites (Coptotermes formosanus Shirakii), myo-inositol-2-monophosphate as the di-cyclohexylammonium salt was tested among other sugar derivatives, and was found to be toxic to C. formosanus when added to a moistened filter paper food source in plastic petri dishes. RESULTS: Curiously, over a 9 day period, the moniliform (beaded) antennae of C. formosanus deteriorated in a stepwise fashion with the most distal pseudosegment (bead) turning brown and falling off, followed by the penultimate pseudosegment, sequentially until 7-9 days when only a stub of the antennae remained...
May 9, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28482325/exploratory-metabolomics-of-biomarker-identification-for-the-internet-gaming-disorder-in-young-korean-males
#14
Yeo Ul Cho, Deokjong Lee, Jung-Eun Lee, Kyoung Heon Kim, Do Yup Lee, Young-Chul Jung
The main aim of the current research is to characterize the molecular dynamics related to internet gaming disorder (IGD) using non-targeted plasma metabolite profiling based on gas-chromatography time-of-flight mass spectrometry (GC-TOF MS). IGD is a psychiatric disorder instigated by excessive and prolonged internet gaming, which shared many pathological symptoms with attention deficit hyperactivity disorder (ADHD). The prevalence of the disorder has been rapidly increased particularly in East Asia countries (5...
July 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28476320/region-specific-aging-of-the-human-brain-as-evidenced-by-neurochemical-profiles-measured-noninvasively-in-the-posterior-cingulate-cortex-and-the-occipital-lobe-using-1-h-magnetic-resonance-spectroscopy-at-7-t
#15
Małgorzata Marjańska, J Riley McCarten, James Hodges, Laura S Hemmy, Andrea Grant, Dinesh K Deelchand, Melissa Terpstra
The concentrations of fourteen neurochemicals associated with metabolism, neurotransmission, antioxidant capacity, and cellular structure were measured noninvasively from two distinct brain regions using (1)H magnetic resonance spectroscopy. Seventeen young adults (age 19-22years) and sixteen cognitively normal older adults (age 70-88years) were scanned. To increase sensitivity and specificity, (1)H magnetic resonance spectra were obtained at the ultra-high field of 7T and at ultra-short echo time. The concentrations of neurochemicals were determined using water as an internal reference and accounting for gray matter, white matter, and cerebrospinal fluid content of the volume of interest...
May 3, 2017: Neuroscience
https://www.readbyqxmd.com/read/28447334/-1-h-nmr-1-h-nmr-t2-edited-and-2d-nmr-in-bipolar-disorder-metabolic-profiling
#16
Sumit Sethi, Mariana Pedrini, Lucas B Rizzo, Maiara Zeni-Graiff, Caroline Dal Mas, Ana Cláudia Cassinelli, Mariane N Noto, Elson Asevedo, Quirino Cordeiro, João G M Pontes, Antonio J M Brasil, Acioly Lacerda, Mirian A F Hayashi, Ronei Poppi, Ljubica Tasic, Elisa Brietzke
BACKGROUND: The objective of this study was to identify molecular alterations in the human blood serum related to bipolar disorder, using nuclear magnetic resonance (NMR) spectroscopy and chemometrics. METHODS: Metabolomic profiling, employing (1)H-NMR, (1)H-NMR T2-edited, and 2D-NMR spectroscopy and chemometrics of human blood serum samples from patients with bipolar disorder (n = 26) compared with healthy volunteers (n = 50) was performed. RESULTS: The investigated groups presented distinct metabolic profiles, in which the main differential metabolites found in the serum sample of bipolar disorder patients compared with those from controls were lipids, lipid metabolism-related molecules (choline, myo-inositol), and some amino acids (N-acetyl-L-phenyl alanine, N-acetyl-L-aspartyl-L-glutamic acid, L-glutamine)...
December 2017: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/28433638/metabolomic-analysis-for-combined-hepatotoxicity-of-chlorpyrifos-and-cadmium-in-rats
#17
Ming-Yuan Xu, Pan Wang, Ying-Jian Sun, Yi-Jun Wu
Pesticides and heavy metals are widespread environmental pollutants. Although the acute toxicity of organophosphorus pesticide chlorpyrifos (CPF) and toxic heavy metal cadmium (Cd) is well characterized, the combined toxicity of CPF and Cd, especially the hepatotoxicity of the two chemicals with long-term exposure at a low dose, remained unclear. In this study, we investigated the toxicity in the liver of rats upon subchronic exposure to CPF and Cd at environmentally relevant doses. Rats were given three different doses (1/135 LD50, 1/45 LD50 and 1/15 LD50) of CPF and Cd as well as their mixtures by oral gavage for 90days...
April 19, 2017: Toxicology
https://www.readbyqxmd.com/read/28432768/the-fate-of-recently-fixed-carbon-after-drought-release-towards-unravelling-c-storage-regulation-in-tilia-platyphyllos-and-pinus-sylvestris
#18
Lucía Galiano Pérez, Galina Timofeeva, Matthias Saurer, Rolf Siegwolf, Jordi Martínez-Vilalta, Robert Hommel, Arthur Gessler
Carbon reserves are important for maintaining tree function during and after stress. Increasing tree mortality driven by drought globally has renewed the interest in how plants regulate allocation of recently fixed C to reserve formation. Three year-old seedlings of two species (Tilia platyphyllos, Pinus sylvestris) were exposed to two intensities of experimental drought during ~ 10 weeks and (13) C pulse labelling was subsequently applied with rewetting. Tracking the (13) C-label across different organs and C compounds (soluble sugars, starch, myo-inositol, lipids and cellulose), together with the monitoring of gas exchange and C mass balances over time, allowed for the identification of variations in C allocation priorities and tree C balances that are associated to drought effects and subsequent drought release...
April 22, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28431560/a-new-generation-of-bacillus-subtilis-cell-factory-for-further-elevated-scyllo-inositol-production
#19
Kosei Tanaka, Ayane Natsume, Shu Ishikawa, Shinji Takenaka, Ken-Ichi Yoshida
BACKGROUND: A stereoisomer of inositol, scyllo-inositol (SI), has been regarded as a promising therapeutic agent for Alzheimer's disease. However, this compound is relatively rare, whereas another stereoisomer of inositol, myo-inositol (MI) is abundant in nature. Bacillus subtilis 168 has the ability to metabolize inositol stereoisomers, including MI and SI. Previously, we reported a B. subtilis cell factory with modified inositol metabolism that converts MI into SI in the culture medium...
April 21, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28414734/micrornas-as-reference-genes-for-quantitative-pcr-in-cotton
#20
Anna Karoline Silva Fausto, Tatiane da Franca Silva, Elisson Romanel, Maite F S Vaslin
Cotton (Gossypium hirsutum) is the most important non-food plant in the world. Studies concerning the fiber quality and plant fitness of cotton at molecular level depend on high sensitive and reproducible gene-expression assays. However, only a few reports have described genes suitable for normalizing gene expression data. In this study, we report for the first time that microRNAs (miRNAs) are reliable reference genes (RGs) for cotton gene expression normalization in quantitative real-time reverse transcription (RT)-PCR...
2017: PloS One
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