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myo-inositol

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https://www.readbyqxmd.com/read/29448154/a-serine-carboxypeptidase-like-acyltransferase-catalyzes-synthesis-of-indole-3-acetic-iaa-ester-conjugate-in-rice-oryza-sativa
#1
Anna Ciarkowska, Maciej Ostrowski, Anna Jakubowska
Indole-3-acetic acid (IAA) conjugation is one of mechanisms responsible for regulation of free auxin levels in plants. A new member of the serine carboxypeptidase-like (SCPL) acyltransferases family from Oryza sativa has been cloned and characterized. 1-O-indole-3-acetyl-β-D-glucose (1-O-IAGlc): myo-inositol acyltransferase (IAInos synthase) is an enzyme of IAA ester conjugates biosynthesis pathway that catalyzes transfer of IAA moiety from 1-O-IAGlc to myo-inositol forming IA-myo-inositol (IAInos). The OsIAA-At cDNA has been cloned and expressed using yeast and bacterial expression systems...
February 9, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29444320/effect-of-phytase-on-growth-performance-phytate-degradation-and-gene-expression-of-myo-inositol-transporters-in-the-small-intestine-liver-and-kidney-of-21-day-old-broilers
#2
C L Walk, M R Bedford, O A Olukosi
An experiment was conducted to evaluate phytase supplementation on growth, phytate degradation, and the gene expression of myo-inositol transporters in 21-day old broilers. Ross 308, male broilers (n = 240) were assigned to one of four diets, with 10 pens/diet and six birds/pen from day one to 21. The diets consisted of a negative control (NC) formulated to meet or exceed Ross 308 nutrient requirements, with the exception of calcium (Ca) and available P (avP), which were reduced by 0.16 and 0.15%, respectively...
February 12, 2018: Poultry Science
https://www.readbyqxmd.com/read/29436038/comparison-of-reproducibility-of-single-voxel-spectroscopy-and-whole-brain-magnetic-resonance-spectroscopy-imaging-at-3t
#3
Yue Zhang, Edward Taub, Nouha Salibi, Gitendra Uswatte, Andrew A Maudsley, Sulaiman Sheriff, Brent Womble, Victor W Mark, David C Knight
To date, single voxel spectroscopy (SVS) is the most commonly used MRS technique. SVS is relatively easy to use and provides automated and immediate access to the resulting spectra. However, it is also limited in spatial coverage. A new and very promising MRS technique allows for whole-brain MR spectroscopic imaging (WB-MRSI) with much improved spatial resolution. Establishing the reproducibility of data obtained using SVS and WB-MRSI is an important first step for using these techniques to evaluate longitudinal changes in metabolite concentration...
February 13, 2018: NMR in Biomedicine
https://www.readbyqxmd.com/read/29427755/high-fat-diet-treatment-impairs-hippocampal-long-term-potentiation-without-alterations-of-the-core-neuropathological-features-of-alzheimer-disease
#4
Isabel H Salas, Akila Weerasekera, Tariq Ahmed, Zsuzsanna Callaerts-Vegh, Uwe Himmelreich, Rudi D'Hooge, Detlef Balschun, Takaomi C Saido, Bart De Strooper, Carlos G Dotti
Type 2 diabetes (T2DM) and obesity might increase the risk for AD by 2-fold. Different attempts to model the effect of diet-induced diabetes on AD pathology in transgenic animal models, resulted in opposite conclusions. Here, we used a novel knock-in mouse model for AD, which, differently from other models, does not overexpress any proteins. Long-term high fat diet treatment triggers a reduction in hippocampal N-acetyl-aspartate/myo-inositol metabolites ratio and impairs long term potentiation in hippocampal acute slices...
February 7, 2018: Neurobiology of Disease
https://www.readbyqxmd.com/read/29417793/novel-combination-for-the-treatment-of-acne-differentiated-according-to-gender-a-new-step-towards-personalized-treatment
#5
Ersilia Tolino, Nevena Skroza, Alessandra Mambrin, Nicoletta Bernardini, Sara Zuber, Veronica Balduzzi, Anna Marchesiello, Ilaria Proietti, Concetta Potenza
BACKGROUND: The aim of this study is to evaluate efficacy and tolerability of a complete skin care line consisting of an oral supplement in two distinct formulations for males and females, and a topical cream device in the treatment of mild and moderate acne. Oral supplements contain biotin, probiotic, vitamin E, zinc, nicotinamide; in the formulation for males beta sitosterol and boswella serrata were added, the oral supplement for females contains myo-inositol and folic acid. The topical cream device is represented by the association between active plant agents (verbascoside, ocimum gratissimum) and keratolytic molecules (salicylic acid, gluconolactone, complex alpha-hydroxy acids)...
February 7, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29415199/cerebral-osmolytes-and-plasma-osmolality-in-pregnancy-and-preeclampsia-a-proton-magnetic-resonance-spectroscopy-study
#6
M Nelander, A-K Wikström, J Weis, L Bergman, A Larsson, I Sundström-Poromaa, J Wikström
Background: Cerebral complications contribute substantially to mortality in preeclampsia. Pregnancy calls for extensive maternal adaptations, some associated with increased propensity for seizures, but the pathophysiology behind the eclamptic seizures is not fully understood. Plasma osmolality and sodium levels are lowered in pregnancy. This could result in extrusion of cerebral organic osmolytes, including the excitatory neurotransmitter glutamate, but this remains to be determined. The hypothesis of this study was that cerebral levels of organic osmolytes are decreased during pregnancy, and that this decrease is even more pronounced in women with preeclampsia...
February 3, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29414127/striatal-neurometabolite-levels-in-patients-with-schizophrenia-undergoing-long-term-antipsychotic-treatment-a-proton-magnetic-resonance-spectroscopy-and-reliability-study
#7
Eric Plitman, Sofia Chavez, Shinichiro Nakajima, Yusuke Iwata, Jun Ku Chung, Fernando Caravaggio, Julia Kim, Youssef Alshehri, M Mallar Chakravarty, Vincenzo De Luca, Gary Remington, Philip Gerretsen, Ariel Graff-Guerrero
Previous proton magnetic resonance spectroscopy (1H-MRS) studies have reported disrupted levels of various neurometabolites in patients with schizophrenia. An area of particular interest within this patient population is the striatum, which is highly implicated in the pathophysiology of schizophrenia. The present study examined neurometabolite levels in the striatum of 12 patients with schizophrenia receiving antipsychotic treatment for at least 1 year and 11 healthy controls using 3-Tesla 1H-MRS (PRESS, TE = 35 ms)...
January 31, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29414126/proton-magnetic-resonance-spectroscopy-changes-after-lithium-treatment-systematic-review
#8
REVIEW
Agata Szulc, Magdalena Wiedlocha, Napoleon Waszkiewicz, Beata Galińska-Skok, Piotr Marcinowicz, Jacek Gierus, Anna Mosiolek
1H MRS is widely used in the research of mental disorders. It enables evaluation of concentration or ratios of several metabolites, which play important roles in brain metabolism: N-acetylaspartate (NAA), choline containing compounds, myo-inositol and glutamate, glutamine and GABA (together as Glx complex or separately). Specifically in bipolar disorder brain metabolite abnormalities include mostly NAA reduces and Glx increases in different brain regions. Bipolar disorder is associated with impairment in neurotrophic and cellular plasticity, resilience pathways and in neuroprotective processes...
January 17, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29410347/a-broad-investigation-of-the-hbv-mediated-changes-to-primary-hepatocyte-physiology-reveals-hbv-significantly-alters-metabolic-pathways
#9
R Jason Lamontagne, Jessica C Casciano, Michael J Bouchard
OBJECTIVE: As the leading risk factor for the development of liver cancer, chronic infection with hepatitis B virus (HBV) represents a significant global health concern. Although an effective HBV vaccine exists, at least 240 million people are chronically infected with HBV worldwide. Therapeutic options for the treatment of chronic HBV remain limited, and none achieve an absolute cure. To develop novel therapeutic targets, a better understanding of the complex network of virus-host interactions is needed...
February 1, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29408682/neurochemical-changes-in-unilateral-cerebralhemisphere-during-the-subacute-stage-of-focal-cerebral-ischemia-reperfusion-in-rats-an-ex-vivo-1h-magnetic-resonance-spectroscopy-study
#10
Qun Huang, Chen Li, Nengzhi Xia, Liangcai Zhao, Dan Wang, Yunjun Yang, Hongchang Gao
Understanding the subacute may shed light on the mechanism of cerebral ischemia. The present study aimed to explore metabolic features underlying subacute stage of ischemia-reperfusion injury and developing effective treatments. Rats were divided into three groups: the permanent middle cerebral artery occlusion (pMCAO), transient cerebral focal ischemia (tMCAO) and sham group. Evaluation of animal models was performed by the neurological deficit, MR images and pathological morphological abnormality. To elucidate metabolic changes, we conducted a comparative analysis of metabolic composition of unilateral brain tissue using 1H nuclear magnetic resonance spectroscopy...
January 31, 2018: Brain Research
https://www.readbyqxmd.com/read/29394244/with-a-pinch-of-extra-salt-did-predatory-protists-steal-genes-from-their-food
#11
Laura Czech, Erhard Bremer
The cellular adjustment of Bacteria and Archaea to high-salinity habitats is well studied and has generally been classified into one of two strategies. These are to accumulate high levels either of ions (the "salt-in" strategy) or of physiologically compliant organic osmolytes, the compatible solutes (the "salt-out" strategy). Halophilic protists are ecophysiological important inhabitants of salt-stressed ecosystems because they are not only very abundant but also represent the majority of eukaryotic lineages in nature...
February 2018: PLoS Biology
https://www.readbyqxmd.com/read/29393680/comprehensive-metabolite-profiling-in-distinct-chemotypes-of-commiphora-wightii
#12
Anil Bhatia, Tusha Tripathi, Suruchi Singh, Hema Bisht, Hari M Behl, Raja Roy, Om P Sidhu
Commiphora wightii (Arn.) Bhandari, known as guggul, produces a medicinally important gum resin which is used extensively by Ayurvedic physicians to treat various ailments. However, most of the studies on C. wightii have been limited to its gum resin. Comprehensive metabolic profiling of leaves, stem and gum resin samples was undertaken to analyse aqueous and non-aqueous metabolites from three distinct chemotypes (NBRI-101, NBRI-102 and NBRI-103) shortlisted from different agro-climatic zones. GC-MS, HPLC and NMR spectroscopy were used for comprehensive metabolomics...
February 2, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29391242/sex-and-sex-hormone-related-variations-in-energy-metabolic-frontal-brain-asymmetries-a-magnetic-resonance-spectroscopy-study
#13
Helene Hjelmervik, Markus Hausmann, Marco Hirnstein, Alexander R Craven, Kenneth Hugdahl, Karsten Specht
Creatine is a key regulator of brain energy homeostasis, and well-balanced creatine metabolism is central in healthy brain functioning. Still, the variability of brain creatine metabolism is largely unattended in magnetic resonance spectroscopy (MRS) research. In the human brain, marginal sex differences in creatine levels have been found in the prefrontal cortex. It is however not known to what degree these sex differences are stable or change with varying gonadal hormone levels. The current study therefore investigated creatine in the prefrontal cortex across the menstrual cycle...
January 29, 2018: NeuroImage
https://www.readbyqxmd.com/read/29378291/glutamine-glutamate-glx-concentration-in-prefrontal-cortex-predicts-reversal-learning-performance-in-the-marmoset
#14
Agnès Lacreuse, Constance M Moore, Matthew LaClair, Laurellee Payne, Jean A King
This study used Magnetic Resonance Spectroscopy (MRS) to identify potential neurometabolitic markers of cognitive performance in male (n =7) and female (n=8) middle-aged (~5 years old) common marmosets (Callithrix jacchus). Anesthetized marmosets were scanned with a 4.7 T/40cm horizontal magnet equipped with 450 mT/m magnetic field gradients and a 20-G/cm magnetic field gradient insert, within 3 months of completing the CANTAB serial Reversal Learning task. Neurometabolite concentrations of N-Acetyl Asparate, Myo-Inositol, Choline, Phosphocreatine+creatine, Glutamate and Glutamine were acquired from a 3 mm3 voxel positioned in the Prefrontal Cortex (PFC)...
January 26, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29370262/metabolic-alterations-in-the-nymphal-instars-of-diaphorina-citri-induced-by-candidatus-liberibacter-asiaticus-the-putative-pathogen-of-huanglongbing
#15
Nabil Killiny, Shelley E Jones
Currently, huanglongbing is the most damaging disease of citrus causing huge economic losses. The disease is caused by the Gram-negative bacterium Candidatus Liberibacter asiaticus (CLas). The pathogen is transmitted in a persistent propagative circulative manner within its vector, the Asian citrus psyllid, Diaphorina citri. Exploring the metabolic alteration in the vector may lead to a better understanding of the nutritional needs of CLas and to designing an artificial medium for culturing the pathogen. It has been shown that the nymphal stages have a greater role in transmission mainly because they feed on plants more actively than adults...
2018: PloS One
https://www.readbyqxmd.com/read/29351081/characterization-of-phosphate-transporter-s-and-understanding-their-role-in-leishmania-donovani-parasite
#16
K J Sindhu, Amit Kumar Kureel, Sheetal Saini, Smita Kumari, Pankaj Verma, Ambak Kumar Rai
Inorganic phosphate (Pi) is shown to be involved in excretion of methylglyoxal (MG) in the promastigote form of Leishmania donovani parasite. Absence of Pi leads to its accumulation inside the parasite. Accumulation of MG is toxic to the parasite and utilizes glyoxylase as well as excretory pathways for its detoxification. In addition, Pi is also reported to regulate activities of ectoenzymes and energy metabolism (glucose to pyruvate) etc. Thus, it is known to cumulatively affect the growth of Leishmania parasite...
March 26, 2018: Acta Parasitologica
https://www.readbyqxmd.com/read/29343138/the-efficacy-of-myo-inositol-supplementation-to-prevent-gestational-diabetes-onset-a-meta-analysis-of-randomized-controlled-trials
#17
Jiang Xu, Shandong Ye
INTRODUCTION: The efficacy of myo-inositol supplementation to prevent gestational diabetes onset remains controversial. We conduct a systematic review and meta-analysis to explore the influence of myo-inositol supplementation on the incidence of gestational diabetes. METHODS: We search PubMed, Embase, Web of science, EBSCO, and Cochrane Library databases through November 2017 for randomized controlled trials (RCTs) assessing the effect of myo-inositol supplementation on gestational diabetes onset...
January 17, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29342175/immunocontraceptive-target-repertoire-defined-by-systematic-identification-of-sperm-membrane-alloantigens-in-a-single-species
#18
Nathaly Cormier, John J McGlone, John Leszyk, Daniel M Hardy
Sperm competence in animal fertilization requires the collective activities of numerous sperm-specific proteins that are typically alloimmunogenic in females. Consequently, sperm membrane alloantigens are potential targets for contraceptives that act by blocking the proteins' functions in gamete interactions. Here we used a targeted proteomics approach to identify the major alloantigens in swine sperm membranes and lipid rafts, and thereby systematically defined the repertoire of these sperm-specific proteins in a single species...
2018: PloS One
https://www.readbyqxmd.com/read/29336203/aberrant-interactions-of-peripheral-measures-and-neurometabolites-with-lipids-in-complex-regional-pain-syndrome-using-magnetic-resonance-spectroscopy-a-pilot-study
#19
Ye-Ha Jung, Hyeonjin Kim, So Yeon Jeon, Jeong Min Kwon, Dasom Lee, Soo-Hee Choi, Do-Hyung Kang
Background The aim of this study was to assess peripheral measures and central metabolites associated with lipids using magnetic resonance spectroscopy. Results Twelve patients with complex regional pain syndrome (CRPS) and 11 healthy controls participated. Using magnetic resonance spectroscopy, we measured the levels of lipid 13a (Lip13a) and lipid 09 (Lip09) relative to total creatine (tCr) levels in the right and left thalamus. We found negative correlations of Lip13a/tCr in the right thalamus with red blood cells or neutrophils, but a positive correlation between Lip13a/tCr and lymphocytes in the controls...
January 2018: Molecular Pain
https://www.readbyqxmd.com/read/29335880/the-long-term-effect-of-erythropoiesis-stimulating-agents-given-to-preterm-infants-a-proton-magnetic-resonance-spectroscopy-study-on-neurometabolites-in-early-childhood
#20
Charles Gasparovic, Arvind Caprihan, Ronald A Yeo, John Phillips, Jean R Lowe, Richard Campbell, Robin K Ohls
BACKGROUND: Erythropoiesis stimulating agents (ESAs) are neuroprotective in cell and animal models of preterm birth. Prematurity has been shown to alter neurometabolite levels in children in studies using proton magnetic resonance spectroscopy (1H-MRS). OBJECTIVE: We hypothesized that ESA treatment in premature infants would tend to normalize neurometabolites by 4-6 years of age. MATERIALS AND METHODS: Children in a longitudinal study of neurodevelopment underwent MRI and 1H-MRS at approximately 4 years and 6 years of age...
January 15, 2018: Pediatric Radiology
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