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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
#1
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...
December 1, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27889838/changes-of-brain-metabolite-concentrations-during-maturation-in-different-brain-regions-measured-by-chemical-shift-imaging
#2
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
#3
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
#4
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
https://www.readbyqxmd.com/read/27857457/multiparametric-3t-mri-evaluation-of-hereditary-spastic-paraplegia-a-case-report
#5
Sonam Priya, Naznin Siddique, Ruchira Das, Archana Singh
Hereditary spastic paraplegia (HSP) is a rare heterogeneous group of familial neurodegenerative disorders characterized by degeneration of the corticospinal tracts and posterior column of the spinal cord. Previously described radiological findings included nonspecific brain abnormalities such as brain atrophy and white matter lesions, as well as atrophy of the corpus callosum and spinal cord. Magnetic resonance spectroscopy may reveal reduced concentrations of normal brain metabolites and elevated levels of myoinositol...
July 2016: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/27815224/minimal-hepatic-encephalopathy-in-children-with-chronic-liver-disease-prevalence-pathogenesis-and-magnetic-resonance-based-diagnosis
#6
Anshu Srivastava, Saurabh Chaturvedi, Rakesh Kumar Gupta, Rohan Malik, Amrita Mathias, Naranamangalam R Jagannathan, Sunil Jain, Chandra Mani Pandey, Surender Kumar Yachha, Ram Kishor Singh Rathore
BACKGROUND AND AIMS: Data on minimal hepatic encephalopathy (MHE) in children is scanty. We evaluated children with chronic liver disease (CLD) to determine prevalence of MHE, its correlation with changes in brain metabolites by magnetic resonance spectroscopy ((1)HMRS), diffusion tensor imaging (DTI) derived metrics, blood ammonia (BA) and inflammatory cytokines and the accuracy of MR based investigations for diagnosis METHODS: 67(38 boys; age 13[7-18] years) CLD and 37 healthy children were evaluated with neuropsychological tests (NPT), BA, interleukin-6 [IL6], tumor necrosis factor alpha [TNFα], magnetic resonance imaging (MRI),(1)HMRS and DTI...
November 1, 2016: Journal of Hepatology
https://www.readbyqxmd.com/read/27777587/myoinositol-improves-embryo-development-in-pcos-patients-undergoing-icsi
#7
Artur Wdowiak
The aim of this study was to investigate the activity of myoinositol, in a court of 217 PCOS women undergoing intracytoplasmic sperm injection (ICSI), on pregnancy rate, embryo development, estradiol, and progesterone concentration in blood serum, superoxide dismutase (SOD), and catalase (CAT) in follicular fluid. Concerning the court of patient, 112 (groups I and II) out of 217 were PCOS women, whereas group III consisted of healthy subjects (not PCOS). Group I patients were treated with 400 μg of folic acid per day for 3 months before ICSI, whereas group II patients received 4000 mg of myoinositol and 400 μg of folic acid per day for 3 months before ICSI...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/27752262/effect-of-myoinositol-and-antioxidants-on-sperm-quality-in-men-with-metabolic-syndrome
#8
Mario Montanino Oliva, Elisa Minutolo, Assunta Lippa, Paola Iaconianni, Alberto Vaiarelli
This prospective longitudinal study investigated the effects of a dietary supplement in patients affected by reduced sperm motility (asthenospermic males) with metabolic syndrome. The product tested was Andrositol®, which contains myoinositol (MI) as principal compound, in association with other molecules, and the parameters evaluated were semen characteristics as well as hormone and metabolic profiles. The inclusion criteria were subjects aged over 18 years, with asthenospermia and metabolic syndrome. The exclusion criteria were presence of cryptorchidism, varicocele, and prostatitis...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/27725832/insulin-sensitizers-polycystic-ovary-syndrome-and-gynaecological-cancer-risk
#9
Rosa Lauretta, Giulia Lanzolla, Patrizia Vici, Luciano Mariani, Costanzo Moretti, Marialuisa Appetecchia
Preclinical, early phase clinical trials and epidemiological evidence support the potential role of insulin-sensitizers in cancer prevention and treatment. Insulin-sensitizers improve the metabolic and hormonal profile in PCOS patients and may also act as anticancer agents, especially in cancers associated with hyperinsulinemia and oestrogen dependent cancers. Several lines of evidence support the protection against cancer exerted by dietary inositol, in particular inositol hexaphosphate. Metformin, thiazolidinediones, and myoinositol postreceptor signaling may exhibit direct inhibitory effects on cancer cell growth...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/27714889/comparison-between-proton-magnetic-resonance-spectroscopy-findings-in-dogs-with-tick-borne-encephalitis-and-clinically-normal-dogs
#10
Christine Sievert, Henning Richter, Katrin Beckmann, Patrick R Kircher, Ines Carrera
In vivo diagnosis of tick-borne encephalitis is difficult due to high seroprevalence and rapid viral clearance, limiting detection of antibodies in blood and cerebrospinal fluid. Magnetic resonance imaging (MRI) characteristics of tick-borne encephalitis have been reported, however MRI studies can also be negative despite the presence of neurologic signs. Magnetic resonance spectroscopy ((1) H MRS) is an imaging method that provides additional information about the metabolic characteristics of brain tissues...
October 7, 2016: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27711138/a-potential-magnetic-resonance-imaging-technique-based-on-chemical-exchange-saturation-transfer-for-in-vivo-%C3%AE-aminobutyric-acid-imaging
#11
Gen Yan, Tao Zhang, Zhuozhi Dai, Meizhi Yi, Yanlong Jia, Tingting Nie, Handi Zhang, Gang Xiao, Renhua Wu
PURPOSE: We developed a novel magnetic resonance imaging (MRI) technique based on chemical exchange saturation transfer (CEST) for GABA imaging and investigated the concentration-dependent CEST effect ofGABA in a rat model of brain tumor with blood-brain barrier (BBB) disruption. MATERIALS AND METHODS: All MRI studies were performed using a 7.0-T Agilent MRI scanner. Z-spectra for GABA were acquired at 7.0 T, 37°C, and a pH of 7.0 using varying B1 amplitudes. CEST images of phantoms with different concentrations of GABA solutions (pH, 7...
2016: PloS One
https://www.readbyqxmd.com/read/27648072/a-potential-therapeutic-role-of-myoinositol-in-the-metabolic-and-cardiovascular-profile-of-pcos-iranian-women-aged-between-30-and-40-years
#12
Saghar Salehpour, Leila Nazari, Sedighe Hoseini, Nasrin Saharkhiz, Fatemeh Ghazi, Mohammad Reza Sohrabi
Introduction. Polycystic ovary syndrome (PCOS) is a common disorder in reproductive age. This pilot study investigated the effects of myoinositol (MI) treatment on metabolic and cardiovascular profile in PCOS women over 30 years of age. Methods. Between 2015 and 2016, 50 women with diagnosis of PCOS by the Rotterdam Criteria were included in the study. All women received MI 2 g plus 200 μg of folic acid (Inofolic, Health Parsian, Iran; twice daily) for 3 months. Baseline and 3-month serum samples were taken after an overnight fast to evaluate the insulin resistance index (HOMA-IR), fasting glucose, and the levels of triglyceride, total cholesterol, high-density lipoprotein (HDL), low-density lipoprotein (LDL), homocysteine, systolic blood pressure, and diastolic blood pressure...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/27646677/improving-icsi-a-review-from-the-spermatozoon-perspective
#13
Mara Simopoulou, Laertis Gkoles, Panagiotis Bakas, Polina Giannelou, Theodoros Kalampokas, Konstantinos Pantos, Michael Koutsilieris
: Intracytoplasmic sperm injection (ICSI) is the most frequently applied method for fertilization making the process of identifying the perfect spermatozoon fundamental. Herein we offer a critical and thorough presentation on the techniques reported regarding (i) handling and preparing semen samples, (ii) identifying and 'fishing' spermatozoa, and (iii) improving key factors, such as motility for a successful ICSI practice. These approaches are suggested to make the process easier and more effective especially in atypical and challenging circumstances...
December 2016: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/27642592/myoinositol-attenuates-the-cell-loss-and-biochemical-changes-induced-by-kainic-acid-status-epilepticus
#14
Lia Tsverava, Tamar Lordkipanidze, Eka Lepsveridze, Maia Nozadze, Marina Kikvidze, Revaz Solomonia
Identification of compounds preventing or modifying the biochemical changes that underlie the epileptogenesis process and understanding the mechanism of their action are of great importance. We have previously shown that myoinositol (MI) daily treatment for 28 days prevents certain biochemical changes that are triggered by kainic acid (KA) induced status epilepticus (SE). However in these studies we have not detected any effects of MI on the first day after SE. In the present study we broadened our research and focused on other molecular and morphological changes at the early stages of SE induced by KA and effects of MI treatment on these changes...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27642297/myoinositol-as-a-safe-and-alternative-approach-in-the-treatment-of-infertile-pcos-women-a-german-observational-study
#15
Pedro-Antonio Regidor, Adolf Eduard Schindler
The use of 2 × 2000 mg myoinositol + 2 × 200 μg folic acid per day is a safe and promising tool in the effective improvement of symptoms and infertility for patients with a polycystic ovary syndrome (PCOS). Using a questionnaire an observational study was performed under German gynecologists to collect data on ovulation and pregnancy rates in PCOS patients with infertility. In this observational study, 3602 infertile women used myoinositol and folic acid between 2 and 3 months in a dosage of 2 × 2000 mg myoinositol + 2 × 200 μg folic acid per day...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/27635136/prospective-randomized-study-on-the-influence-of-myoinositol-in-pcos-women-undergoing-ivf-in-the-improvement-of-oocyte-quality-fertilization-rate-and-embryo-quality
#16
Bernd Lesoine, Pedro-Antonio Regidor
Polycystic ovarian syndrome (PCOS) is one of the pathological factors involved in the failure of in vitro fertilization (IvF). The aim of the present study was to investigate if the combination of myoinositol + folic acid was able to improve the oocyte quality, the ratio between follicles and retrieved oocytes, the fertilization rate, and the embryo quality in PCOS patients undergoing IvF treatments. 29 patients with PCOS underwent IvF protocols for infertility treatment and were randomized prospectively into two groups...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/27631243/in-vivo-neurometabolic-profiling-in-orthostatic-tremor
#17
Julián Benito-León, Elan D Louis, Virginia Mato-Abad, Ulrike Dydak, Juan Álvarez-Linera, Juan Antonio Hernández-Tamames, José Antonio Molina-Arjona, Norberto Malpica, Michele Matarazzo, Juan Pablo Romero, Álvaro Sánchez-Ferro
The pathogenesis of orthostatic tremor (OT) remains unclear, although some evidence points to dysfunction in the brainstem or cerebellum. We used single voxel proton magnetic resonance spectroscopy (1H-MRS) (3 T) to investigate whether neurochemical changes underlie abnormal cerebellar or cortical function in OT. Fourteen OT patients and 14 healthy controls underwent 1H-MRS studies with voxels placed in midparietal gray matter and cerebellum (vermis and central white matter). Spectral analysis was analyzed using the software package LCModel (version 6...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27595157/inositol-and-human-reproduction-from-cellular-metabolism-to-clinical-use
#18
Ewa M Milewska, Adam Czyzyk, Blazej Meczekalski, Alessandro D Genazzani
Inositol is an organic compound of high biological importance that is widely distributed in nature. It belongs to the sugar family and is mainly represented by its two dominant stereoisomers: myo-inositol and D-chiro-inositol that are found in the organism in the physiological serum ratio 40:1. Inositol and its derivatives are important components of the structural phospholipids of the cell membranes and are precursors of the second messengers of many metabolic pathways. A high concentration of myoinositol is found in the follicular fluid and in semen...
September 5, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27518856/the-potential-role-for-myoinositol-in-the-prevention-of-gestational-diabetes-mellitus-podcast
#19
(no author information available yet)
No abstract text is available yet for this article.
August 12, 2016: American Journal of Perinatology
https://www.readbyqxmd.com/read/27513267/1h-magnetic-resonance-spectroscopy-in-first-episode-and-chronic-schizophrenia-patients
#20
Duygu Kirtaş, Rukiye Filiz Karadağ, Melike Ceyhan Balci Şengül, Yılmaz Kiroğlu
BACKGROUND/AIM: The aim of this study was to compare metabolite levels of the dorsolateral prefrontal cortex (DLPFC), anterior cingulate gyrus (ACG), thalamus, and hippocampus in patients with chronic schizophrenia (CSPs) and first psychotic episode patients (FEPs) by the use of magnetic resonance spectroscopy (MRS). MATERIALS AND METHODS: Thirty CSPs, 20 FEPs, and 30 healthy subjects participated in this study. N-Acetylaspartate (NAA), creatine, choline (Cho), and myoinositol levels of the DLPFC, ACG, thalamus, and hippocampus were measured by 1H-MRS...
2016: Turkish Journal of Medical Sciences
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