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https://www.readbyqxmd.com/read/28364102/-value-of-1h-mrs-on-sca3-mjd-diagnosis-and-clinical-course
#1
Wu Xing, Xinxin Liao, Tingting Guan, Fangfang Xie, Lu Shen, Weihua Liao, Xiaoyi Wang
To investigate the value of proton magnetic resonance spectroscopy (1H-MRS) on the diagnosis of SCA3/MJD, and to calculate the correlation between 1H-MRS ratio and the clinical score.
 Methods: Sixteen patients with SCA3/MJD and 19 healthy volunteers were scanned with 1H-MRS. The data of N-acetyl aspartate, creatine, choline-containing compounds, myoinositol, NAA/Cr, Cho/Cr, and mI/Cr ratio were collected, which were grouped for comparative study. The onset patients with SCA3/MJD were evaluated with the International Cooperative Ataxia Rating Scale and Scale for the Assessment and Rating of Ataxia, the correlation between NAA/Cr, Cho/Cr or mI/Cr ratio and the clinical score was calculated...
March 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28358223/ameliorative-effects-of-pyrazinoic-acid-against-oxidative-and-metabolic-stress-manifested-in-rats-with-dimethylhydrazine-induced-colonic-carcinoma
#2
Anil K Sahdev, Vinit Raj, Ashok K Singh, Amit Rai, Amit K Keshari, Arnab De, Amalesh Samanta, Umesh Kumar, Atul Rawat, Dinesh Kumar, Sneha Nath, Anand Prakash, Sudipta Saha
Pyrazinoic acid (PA) is structurally similar to nicotinic acid which acts on G-protein-coupled receptor (GPR109A). GPR109A expresses in colonic and intestinal epithelial sites, and involves in DNA methylation and cellular apoptosis. Therefore, it may be assumed that PA has similar action like nicotinic acid and may be effective against colorectal carcinoma (CRC). CRC was produced via subcutaneous injection of dimethylhydrazine (DMH) at 40 mg/kg body weight once in a week for four weeks. After that, PA was administered orally at two doses of 10 and 25 mg/kg daily for 15 days to observe the antiproliferative effect...
March 30, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28350397/diagnosis-and-body-mass-index-effects-on-hippocampal-volumes-and-neurochemistry-in-bipolar-disorder
#3
D J Bond, L E Silveira, E L MacMillan, I J Torres, D J Lang, W Su, W G Honer, R W Lam, L N Yatham
We previously reported that higher body mass index (BMI) was associated with greater hippocampal glutamate+glutamine in people with bipolar disorder (BD), but not in non-BD healthy comparator subjects (HSs). In the current report, we extend these findings by examining the impact of BD diagnosis and BMI on hippocampal volumes and the concentrations of several additional neurochemicals in 57 early-stage BD patients and 31 HSs. Using 3-T magnetic resonance imaging and magnetic resonance spectroscopy, we measured bilateral hippocampal volumes and the hippocampal concentrations of four neurochemicals relevant to BD: N-acetylaspartate+N-acteylaspartylglutamate (tNAA), creatine+phosphocreatine (Cre), myoinositol (Ins) and glycerophosphocholine+phosphatidylcholine (Cho)...
March 28, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28348586/inositol-and-in-vitro-fertilization-with-embryo-transfer
#4
REVIEW
G Simi, A R Genazzani, M E R Obino, F Papini, S Pinelli, V Cela, P G Artini
Recently, studies on inositol supplementation during in vitro fertilization program (IVF) have gained particular importance due to the effect of this molecule on reducing insulin resistance improving ovarian function, oocyte quality, and embryo and pregnancy rates and reducing gonadotropin amount during stimulation. Inositol and its isoforms, especially myoinositol (MYO), are often used as prestimulation therapy in infertile patients undergoing IVF cycle. Inositol supplementation started three months before ovarian stimulation, resulting in significant improvements in hormonal responses, reducing the amount of FSH necessary for optimal follicle development and serum levels of 17beta-estradiol measured the day of hCG injection...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28342238/a-peel-off-facial-mask-comprising-myoinositol-and-trehalose-loaded-liposomes-improves-adult-female-acne-by-reducing-local-hyperandrogenism-and-activating-autophagy
#5
Gabriella Fabbrocini, Claudia Capasso, Marianna Donnarumma, Mariateresa Cantelli, Michel Le Maître, Giuseppe Monfrecola, Enzo Emanuele
BACKGROUND: Hyperandrogenism and reduced skin autophagy have been implicated in the pathogenesis of adult female acne (AFA). Here, we tested whether a ready-to-use peel-off facial mask containing myoinositol (an androgen inhibitor) and trehalose-loaded liposomes (as activators of cutaneous autophagy) applied overnight every other day for 60 days can improve AFA. We also sought to investigate the molecular mechanisms underlying the clinical effects. OBJECTIVES: We conducted an uncontrolled, open-label clinical study in 40 cases of AFA to investigate the effect of the facial mask on lesion count, sebum production (measured with the Sebutape® technique), and Global Acne Grading System (GAGS) scale...
March 25, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28331947/-magnetic-resonance-spectroscopy-of-brain-tumors
#6
P Ditter, E Hattingen
BACKGROUND: Conventional magnetic resonance imaging (MRI) under consideration of clinical information enables the correct diagnosis and therapy for the majority of cerebral space-occupying lesions. Some important differential diagnoses, e. g. low vs. high-grade tumors, require additional MRI methods. OBJECTIVE: This article critically discusses the importance of magnetic resonance spectroscopy ((1)H-MRS) in brain tumors. MATERIAL AND METHODS: The concentration of normal and pathological brain metabolites can be non-invasively measured by (1)H-MRS...
March 22, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28304238/remote-motor-system-metabolic-profile-and-surgery-outcome-in-cervical-spondylotic-myelopathy
#7
Sorin C Craciunas, Mircea R Gorgan, Bogdan Ianosi, Phil Lee, Joseph Burris, Carmen M Cirstea
OBJECTIVE In patients with cervical spondylotic myelopathy (CSM), the motor system may undergo progressive functional/structural changes rostral to the lesion, and these changes may be associated with clinical disability. The extent to which these changes have a prognostic value in the clinical recovery after surgical treatment is not yet known. In this study, magnetic resonance spectroscopy (MRS) was used to test 2 primary hypotheses. 1) Based on evidence of corticospinal and spinocerebellar, rubro-, or reticulospinal tract degeneration/dysfunction during chronic spinal cord compression, the authors hypothesized that the metabolic profile of the primary motor cortices (M1s) and cerebellum, respectively, would be altered in patients with CSM, and these alterations would be associated with the extent of the neurological disabilities...
March 17, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28255341/proton-mr-spectroscopy-and-diffusion-mr-imaging-monitoring-to-predict-tumor-response-to-interstitial-photodynamic-therapy-for-glioblastoma
#8
Magali Toussaint, Sophie Pinel, Florent Auger, Nicolas Durieux, Magalie Thomassin, Eloise Thomas, Albert Moussaron, Dominique Meng, François Plénat, Marine Amouroux, Thierry Bastogne, Céline Frochot, Olivier Tillement, François Lux, Muriel Barberi-Heyob
Despite recent progress in conventional therapeutic approaches, the vast majority of glioblastoma recur locally, indicating that a more aggressive local therapy is required. Interstitial photodynamic therapy (iPDT) appears as a very promising and complementary approach to conventional therapies. However, an optimal fractionation scheme for iPDT remains the indispensable requirement. To achieve that major goal, we suggested following iPDT tumor response by a non-invasive imaging monitoring. Nude rats bearing intracranial glioblastoma U87MG xenografts were treated by iPDT, just after intravenous injection of AGuIX® nanoparticles, encapsulating PDT and imaging agents...
2017: Theranostics
https://www.readbyqxmd.com/read/28243254/myoinositol-the-bridge-ponti-to-reach-a-healthy-pregnancy
#9
REVIEW
Pietro Cavalli, Elena Ronda
The use of folic acid in the periconceptional period can prevent about 70% of neural tube defects (NTDs). In the remaining cases, no medical prevention is available, and those conditions should be defined as folate-resistant NTDs. Rodent models suggest that some folate-resistant NTDs can be prevented by inositol (myoinositol and chiroinositol) supplementation prior to pregnancy. Should folic acid be combined with myoinositol periconceptional supplementation to reduce the overall risk of NTDs even in humans? Hereafter, we discuss the results from the PONTI study that strongly support both the effectiveness and safety of myoinositol periconceptional supplementation in preventing human NTDs...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28192884/myoinositol-ameliorates-high-fat-diet-and-streptozotocin-induced-diabetes-in-rats-through-promoting-insulin-receptor-signaling
#10
Poovathumkal James Antony, Gopalsamy Rajiv Gandhi, Antony Stalin, Kedike Balakrishna, Erenius Toppo, Kuppusamy Sivasankaran, Savarimuthu Ignacimuthu, Naif Abdullah Al-Dhabi
Mimosa pudica Linn. (Mimosaceae) has been traditionally used for the management of type 2 diabetes mellitus (T2DM) in India. The present study evaluates the therapeutic efficacy of myoinositol (25 and 50mg/kg) isolated from M. pudica stem methanol extract in Triton WR-1339 induced hyperlipidemic and high-fat diet (HFD) fed-streptozotocin (STZ)-induced insulin-resistant diabetic rats. Lipid biomarkers, fasting blood glucose (FBG), changes in body weight, food and water intakes, plasma insulin, HOMA-IR, oral glucose tolerance, intraperitoneal insulin tolerance, urea, creatinine, marker enzymes of liver function, β-cell function and the expression levels of insulin receptor-induced signaling molecules were studied...
April 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28191860/hypothalamic-damage-in-multiple-sclerosis-correlates-with-disease-activity-disability-depression-and-fatigue
#11
E Kantorová, H Poláček, M Bittšanský, E Baranovičová, P Hnilicová, D Čierny, Š Sivák, V Nosáľ, K Zeleňák, E Kurča
OBJECTIVES: Disturbances in the hypothalamo-pituitary axis are supposed to modulate activity of multiple sclerosis (MS). We hypothesised that the extent of HYP damage may determine severity of MS and may be associated with the disease evolution. We suggested fatigue and depression may depend on the degree of damage of the area. METHOD: 33 MS patients with relapsing-remitting and secondary progressive disease, and 24 age and sex-related healthy individuals (CON) underwent 1H-MR spectroscopy (1H-MRS) of the hypothalamus...
April 2017: Neurological Research
https://www.readbyqxmd.com/read/28128227/sodium-myoinositol-cotransporter-1-smit1-mediates-the-production-of-reactive-oxygen-species-induced-by-hyperglycemia-in-the-heart
#12
Anne Van Steenbergen, Magali Balteau, Audrey Ginion, Laura Ferté, Sylvain Battault, Christophe de Meester de Ravenstein, Jean-Luc Balligand, Evangelos-Panagiotis Daskalopoulos, Patrick Gilon, Florin Despa, Sanda Despa, Jean-Louis Vanoverschelde, Sandrine Horman, Hermann Koepsell, Gerard Berry, Louis Hue, Luc Bertrand, Christophe Beauloye
Hyperglycemia (HG) stimulates the production of reactive oxygen species in the heart through activation of NADPH oxidase 2 (NOX2). This production is independent of glucose metabolism but requires sodium/glucose cotransporters (SGLT). Seven SGLT isoforms (SGLT1 to 6 and sodium-myoinositol cotransporter-1, SMIT1) are known, although their expression and function in the heart remain elusive. We investigated these 7 isoforms and found that only SGLT1 and SMIT1 were expressed in mouse, rat and human hearts. In cardiomyocytes, galactose (transported through SGLT1) did not activate NOX2...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28092404/metformin-vs-myoinositol-which-is-better-in-obese-polycystic-ovary-syndrome-patients-a-randomized-controlled-crossover-study
#13
Valeria Tagliaferri, Daniela Romualdi, Valentina Immediata, Simona De Cicco, Christian Di Florio, Antonio Lanzone, Maurizio Guido
CONTEXT: Due to the central role of metabolic abnormalities in the pathophysiology of polycystic ovary syndrome (PCOS), insulin sensitizing agents have been proposed as a feasible treatment option. OBJECTIVE: To investigate which is the more effective between metformin and myoinositol (MYO) on hormonal, clinical and metabolic parameters in obese patients with PCOS. STUDY DESIGN: Crossover randomized controlled study. PATIENTS: Thirty-four PCOS obese women (age: 25·62 ± 4·7 years; BMI: 32·55 ± 5·67 kg/m(2) ) were randomized to receive metformin (850 mg twice a day) or MYO (1000 mg twice a day) for 6 months...
May 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28086802/brain-metabolic-pattern-analysis-using-a-magnetic-resonance-spectra-classification-software-in-experimental-stroke
#14
Elena Jiménez-Xarrié, Myriam Davila, Ana Paula Candiota, Raquel Delgado-Mederos, Sandra Ortega-Martorell, Margarida Julià-Sapé, Carles Arús, Joan Martí-Fàbregas
BACKGROUND: Magnetic resonance spectroscopy (MRS) provides non-invasive information about the metabolic pattern of the brain parenchyma in vivo. The SpectraClassifier software performs MRS pattern-recognition by determining the spectral features (metabolites) which can be used objectively to classify spectra. Our aim was to develop an Infarct Evolution Classifier and a Brain Regions Classifier in a rat model of focal ischemic stroke using SpectraClassifier. RESULTS: A total of 164 single-voxel proton spectra obtained with a 7 Tesla magnet at an echo time of 12 ms from non-infarcted parenchyma, subventricular zones and infarcted parenchyma were analyzed with SpectraClassifier ( http://gabrmn...
January 13, 2017: BMC Neuroscience
https://www.readbyqxmd.com/read/28073193/analysis-of-myo-inositol-effect-on-spermatozoa-motility-in-hyper-viscous-ejaculates-and-in-patients-with-grades-ii-and-iii-varicocele
#15
Filomena Scarselli, Anna Maria Lobascio, Mario Terribile, Valentina Casciani, Pierfrancesco Greco, Giorgio Franco, Maria Giulia Minasi, Ermanno Greco
The goal of this study is to evaluate MYOInositol effects on spermatozoa motility, in patients' ejaculates with severe varicocele or hyper viscosity. The study included normal viscosity ejaculate from 30 patients affected by varicocele and hyper viscosity ejaculate from 33 patients without any testicular pathologies. All selected samples showed sperm concentration > 2 million/ml and progressive motility < 32%. In both groups, the pellet obtained after centrifugation in buffered medium, was divided in two aliquots, both incubated for 15 minutes at 37°C: one with MYO-Inositol and the other one, as control, only in phosphate buffered saline (PBS)...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/27941295/mr-spectroscopy-to-distinguish-between-supratentorial-intraventricular-subependymoma-and-central-neurocytoma
#16
Fumiaki Ueda, Hiroyuki Aburano, Yasuji Ryu, Yuichi Yoshie, Mitsutoshi Nakada, Yutaka Hayashi, Osamu Matsui, Toshifumi Gabata
PURPOSE: The purpose of this study was to discriminate supratentorial intraventricular subependymoma (SIS) from central neurocytoma (CNC) using magnetic resonance spectroscopy (MRS). METHODS: Single-voxel proton MRS using a 1.5T or 3T MR scanner from five SISs, five CNCs, and normal controls were evaluated. They were examined using a point-resolved spectroscopy. Automatically calculated ratios comparing choline (Cho), N-acetylaspartate (NAA), myoinositol (MI), and/or glycine (Gly) to creatine (Cr) were determined...
December 12, 2016: Magnetic Resonance in Medical Sciences: MRMS
https://www.readbyqxmd.com/read/27909856/metabolic-changes-in-the-bilateral-visual-cortex-of-the-monocular-blind-macaque-a-multi-voxel-proton-magnetic-resonance-spectroscopy-study
#17
Lingjie Wu, Zuohua Tang, Xiaoyuan Feng, Xinghuai Sun, Wen Qian, Jie Wang, Lixin Jin, Jingxuan Jiang, Yufeng Zhong
The metabolic changes accompanied with adaptive plasticity in the visual cortex after early monocular visual loss were unclear. In this study, we detected the metabolic changes in bilateral visual cortex of normal (group A) and monocular blind macaque (group B) for studying the adaptive plasticity using multi-voxel proton magnetic resonance spectroscopy ((1)H-MRS) at 32 months after right optic nerve transection. Then, we compared the N-Acetyl aspartate (NAA)/Creatine (Cr), myoinositol (Ins)/Cr, choline (Cho)/Cr and Glx (Glutamate + glutamine)/Cr ratios in the visual cortex between two groups, as well as between the left and right visual cortex of group A and B...
February 2017: Neurochemical Research
https://www.readbyqxmd.com/read/27889838/changes-of-brain-metabolite-concentrations-during-maturation-in-different-brain-regions-measured-by-chemical-shift-imaging
#18
Eva Bültmann, Thomas Nägele, Heinrich Lanfermann, Uwe Klose
INTRODUCTION: We examined the effect of maturation on the regional distribution of brain metabolite concentrations using multivoxel chemical shift imaging. METHODS: From our pool of pediatric MRI examinations, we retrospectively selected patients showing a normal cerebral MRI scan or no pathologic signal abnormalities at the level of the two-dimensional 1H MRS-CSI sequence and an age-appropriate global neurological development, except for focal neurological deficits...
November 26, 2016: Neuroradiology
https://www.readbyqxmd.com/read/27882052/myoinositol-and-d-chiro-inositol-in-improving-insulin-resistance-in-obese-male-children-preliminary-data
#19
Mario Mancini, Alice Andreassi, Michela Salvioni, Fiore Pelliccione, Gianna Mantellassi, Giuseppe Banderali
Myoinositol and D-chiro inositol, which are inositol isomers, have been shown to possess insulin-mimetic properties and to improve insulin resistance, especially in women with polycystic ovary syndrome. However, it has not been determined if this relationship exists also in children. Based on these previous findings, we hypothesized that inositol could be effective in improving insulin sensitivity in children with insulin resistance. To evaluate this hypothesis, we administered both inositol formulations before carrying out an oral glucose tolerance test (OGTT) in a group of obese insulin-resistant male children with high basal insulin levels and compared the values obtained with an OGTT previously conducted without inositol, in the same group, with unchanged BMI...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/27882049/different-effects-of-myoinositol-plus-folic-acid-versus-combined-oral-treatment-on-androgen-levels-in-pcos-women
#20
Ali Cenk Ozay, Ozlen Emekci Ozay, Recep Emre Okyay, Erkan Cagliyan, Tuncay Kume, Bulent Gulekli
Recently, myoinositol (myo-ins) and folic acid combination has gained an important role for treating Polycystic Ovary Syndrome (PCOS), in addition to combined oral contraceptives (COC). We aimed to examine myo-ins effects on anti-Mullerian hormone (AMH) levels and compare them with those ones obtained administering COC. In this prospective study, 137 PCOS patients, diagnosed according to Rotterdam criteria and admitted to the Reproductive Endocrinology and Infertility Outpatient Clinic at Dokuz Eylul University (Izmir, Turkey), were included...
2016: International Journal of Endocrinology
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