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Metabolic Brain Disease

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https://www.readbyqxmd.com/read/28213841/sitagliptin-down-regulates-retinol-binding-protein-4-and-reduces-insulin-resistance-in-gestational-diabetes-mellitus-a-randomized-and-double-blind-trial
#1
Xia Sun, Zhendong Zhang, Hui Ning, Hong Sun, Xianghong Ji
Gestational diabetes mellitus (GDM) is a condition that affects increasing number of pregnant women worldwide. Sitagliptin was reported to alleviate symptoms of type 2 diabetes mellitus by reducing serum levels of retinol-binding protein 4 (RBP-4). We investigated the effectiveness of sitagliptin on insulin sensitivity parameters in GDM patients. Pregnant GDM women in the 2nd trimester were recruited for this study. Participants were then assigned randomly to sitagliptin treatment group or placebo treatment group, and administered sitagliptin or placebo daily for 16 weeks...
February 17, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28197878/two-homozygous-mutations-in-the-exon-5-of-bckdhb-gene-that-may-cause-the-classic-form-of-maple-syrup-urine-disease
#2
Ling Su, Zhikun Lu, Fatao Li, Yongxian Shao, Huiying Sheng, Yanna Cai, Li Liu
Maple syrup urine disease (MSUD) is a rare autosomal recessive genetic disorder caused by defects in the catabolism of the branched-chain amino acids (BCAAs). Classic form of MSUD (CMSUD) is caused by mutations in BCKDHA, BCKDHB, DBT genes mostly. In this study, we analyzed the clinical and genetic characteristics of two patients with CMSUD. Two homozygous mutations, c.517G > T (p.Asp173Tyr) and c.503G > A (p.Arg168His), both in the exon 5 of BCKDHB were detected respectively. The novel mutation p...
February 15, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28197877/fasting-leptin-and-glucose-in-normal-weight-over-weight-and-obese-men-and-women-diabetes-patients-with-and-without-clinical-depression
#3
Darakhshan Jabeen Haleem, Shehnaz Sheikh, Asher Fawad, Muhammad A Haleem
A large number of diabetes patients suffer from major depression and are at high risk of mortality. In view of a role of leptin in diabetes, depression and energy homeostasis, the present study concerns circulating levels of leptin in different BMI groups of un-depressed and depressed diabetes patients. Six hundred thirty male and female patients with a primary diagnosis of diabetes were grouped according to BMI and with or without clinical symptoms of depression. Age matched healthy, normal weight male and female volunteers without clinical symptoms of depression or diabetes were taken as controls...
February 15, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28190241/ras-like-without-caax-2-rit2-a-susceptibility-gene-for-autism-spectrum-disorder
#4
Shima Yazdandoost Hamedani, Jalal Gharesouran, Rezvan Noroozi, Arezou Sayad, Mir Davood Omrani, Atefeh Mir, Sarah Sadat Aghabozrg Afjeh, Mehdi Toghi, Saba Manoochehrabadi, Soudeh Ghafouri-Fard, Mohammad Taheri
Ras-like without CAAX2 (RIT2) which encodes a GTP-binding protein has recently been reported as a new susceptibility gene for Autism Spectrum Disorders (ASD) in a genome-wide association study. Since the gene is suggested to be involved in the pathogenesis of different neurological diseases, we investigated the association of two single nucleotide polymorphisms (SNP) rs16976358 and rs4130047 of this gene with ASD in Iranian patients. A total of 1004 individuals, comprising 532 ASD cases and 472 healthy subjects participated in this study...
February 11, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28168383/correlation-of-rs9331888-polymorphism-with-alzheimer-s-disease-among-caucasian-and-chinese-populations-a-meta-analysis-and-systematic-review
#5
Bin Zhu, Rui Min Wang, Jian Ting Wang, Rui Ling Chen, Yan Fei Zheng, Lei Zhang, Zhi Gang Zhao
Clusterin polymorphism (rs9331888) was reported to be associated with the susceptibility to alzheimer's disease (AD). Nevertheless, the results were inconclusive. To derive a more precise estimation of this association, this meta-analysis was conducted. We've conducted a comprehensive search of PubMed, Embase, CNKI and AlzGene database for case-control studies published throughout October, 2016 that evaluated the role of rs9331888 gene variants in AD patients. Odds ratios (ORs) and their 95% confidence intervals (CIs) were calculated to assess the strength of associations between the rs9331888/C > G polymorphism and AD disease...
February 6, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28161776/lncrnas-macromolecules-with-big-roles-in-neurobiology-and-neurological-diseases
#6
REVIEW
Ye Chen, Jun Zhou
Long noncoding RNAs (lncRNAs) are recently defined as thousands of RNA molecules longer than 200 nucleotides and lacking an appreciable open reading frame in mammals. Although lncRNAs lack protein-coding function, they play critical roles in the regulation of almost all the protein-coding genes in a cell at various stages including chromatin modification, transcription and post-transcriptional processing. It is thus not surprising that lncRNAs may be the crucial regulators in the normal development, physiology and pathology...
February 4, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28144887/phytochemical-screening-acute-toxicity-anxiolytic-and-antidepressant-activities-of-the-nelumbo-nucifera-fruit
#7
Muhammad Ali Rajput, Rafeeq Alam Khan
Recently use of herbal therapies and diet rich in flavonoids and vitamin C have increased significantly to treat minor to modest anxiety disorders and various forms of depression. But further research and studies are necessary to evaluate the pharmacological & toxicological effects of plants. Hence present study was designed to conduct phytochemical screening, acute toxicity study, anxiolytic and antidepressant activities of the ethanol extract of Nelumbo nucifera fruit in order to ascertain its therapeutic potential...
February 1, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28144886/higher-visceral-fat-is-associated-with-lower-cerebral-n-acetyl-aspartate-ratios-in-middle-aged-adults
#8
Sonya Kaur, Alex C Birdsill, Kayla Steward, Evan Pasha, Peter Kruzliak, Hirofumi Tanaka, Andreana P Haley
Excessive adipose tissue, particularly with a central distribution, consists of visceral fat, which is metabolically active and could impinge upon central nervous system functioning. The aim of the current study was to examine levels of visceral adiposity in relation to key cerebral metabolite ratios localized in the occipitoparietal grey matter. Seventy-three adults, aged between 40 and 60 years, underwent structural magnetic resonance imaging and single voxel (1)H Magnetic Resonance Spectroscopy ((1)H MRS)...
January 31, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28144885/effects-of-obesity-on-protein-kinase-c-brain-creatine-kinase-transcription-and-autophagy-in-cochlea
#9
Juen-Haur Hwang
Diet-induced obesity (DIO) has been shown to exacerbate hearing degeneration via increased hypoxia, inflammatory responses, and cell loss via both caspase-dependent and caspase-independent apoptosis signaling pathways. This study aimed to investigate the effects of DIO on the mRNA expressions of protein kinase c-β (PKC-β), brain creatine kinase (CKB), transcription modification genes, and autophagy-related genes in the cochlea of CD/1 mice. Sixteen 4-week-old male CD/1 mice were randomly divided into 2 groups...
January 31, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28130616/investigation-of-the-motor-system-in-two-siblings-with-canavan-s-disease-a-combined-transcranial-magnetic-stimulation-tms-diffusion-tensor-imaging-dti-study
#10
V K Kimiskidis, Vasileios Papaliagkas, S Papagiannopoulos, D Zafeiriou, D Kazis, E Tsatsali-Foroglou, Z Kouvatsou, V Kapina, D Koutsonikolas, G Anogianakis, T Geroukis, S Bostantjopoulou
Canavan's disease (CD) is a hereditary leukodystrophy caused by mutations in the aspartoacylase gene (ASPA), leading to spongiform degeneration of the white matter and severe impairment of psychomotor development. We present the cases of two non-Jewish sisters with CD that have a milder and protracted clinical course compared to typical CD. MRI imaging revealed bilateral high-signal-intensity areas in the thalami and the internal capsule and MR spectroscopy showed typical findings for CD (a marked increase in N-acetylaspartate (NAA) levels)...
January 28, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28130615/age-dependent-changes-of-cerebral-copper-metabolism-in-atp7b-knockout-mouse-model-of-wilson-s-disease-by-64-cu-cucl2-pet-ct
#11
Fang Xie, Yin Xi, Juan M Pascual, Otto Muzik, Fangyu Peng
Copper is a nutritional metal required for brain development and function. Wilson's disease (WD), or hepatolenticular degeneration, is an inherited human copper metabolism disorder caused by a mutation of the ATP7B gene. Many WD patients present with variable neurological and psychiatric symptoms, which may be related to neurodegeneration secondary to copper metabolism imbalance. The objective of this study was to explore the feasibility and use of copper-64 chloride ([(64)C]CuCl2) as a tracer for noninvasive assessment of age-dependent changes of cerebral copper metabolism in WD using an Atp7b (-/-) knockout mouse model of WD and positron emission tomography/computed tomography (PET/CT) imaging...
January 27, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28127705/the-effects-of-vitamin-c-on-hypothyroidism-associated-learning-and-memory-impairment-in-juvenile-rats
#12
Farimah Beheshti, Sareh Karimi, Farzaneh Vafaee, Mohammad Naser Shafei, Hamid Reza Sadeghnia, Mosa Al Reza Hadjzadeh, Mahmoud Hosseini
In this study the effects of Vitamin C (Vit C) on hypothyroidism-associated learning and memory impairment in juvenile rats was investigated. The pregnant rats were kept in separate cages. After delivery, they were randomly divided into six groups and treated: (1) Control; (2) Propylthiouracil (PTU) which 0.005% PTU in their drinking; (3-5) Propylthiouracil- Vit C groups; besides PTU, dams in these groups received 10, 100 and 500 mg/kg Vit C respectively, (6) one group as a positive control; the intact rats received an effective dose, 100 mg/kg Vit...
January 26, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28124751/peripheral-and-central-administration-of-t3-improved-the-histological-changes-memory-and-the-dentate-gyrus-electrophysiological-activity-in-an-animal-model-of-alzheimer-s-disease
#13
Yaghoob Farbood, Sahreh Shabani, Alireza Sarkaki, Seyyed Ali Mard, Akram Ahangarpour, Layasadat Khorsandi
The amyloid beta (Aβ) induced Alzheimer's disease (AD) is associated with formation the amyloid plaques, cognitive impairments and decline in spontaneous discharge of neurons. In the current study, we evaluated the effect of subcutaneous (S. C) and intrahippocampal (I. H) administrations of triiodothyronine (T3) on the histological changes, memory and the dentate gyrus (DG) electrophysiological activity in an animal model of AD. Eighty adult male Wistar rats (250-300 g) were divided randomly into five groups: Sham-Operated (Sh-O), AD + Vehicle (S...
January 26, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28116563/frequency-dependent-changes-in-the-amplitude-of-low-frequency-fluctuations-in-patients-with-wilson-s-disease-a-resting-state-fmri-study
#14
Xiaopeng Hu, Siyi Chen, Chang-Bing Huang, Yinfeng Qian, Yongqiang Yu
To investigate the frequency-dependent changes in the amplitude of low-frequency fluctuations (ALFF) in patients with Wilson's disease (WD). Resting-state function magnetic resonance imaging (R-fMRI) were employed to measure the amplitude of ALFF in 28 patients with WD and 27 matched normal controls. Slow-5 (0.01-0.027 Hz) and slow-4 (0.027-0.073 Hz) frequency bands were analyzed. Apart from the observation of atrophy in the cerebellum, basal ganglia, occipital gyrus, frontal gyrus, precentral gyrus, and paracentral lobule, we also found widespread differences in ALFF of the two bands in the medial frontal gyrus, inferior temporal gyrus, insula, basal ganglia, hippocampus/parahippocampal gyrus, and thalamus bilaterally...
January 24, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28093678/changes-in-serum-vascular-endothelial-growth-factor-and-endostatin-concentrations-associated-with-circulating-endothelial-progenitor-cells-after-acute-ischemic-stroke
#15
Lixia Xue, Hao Chen, Ting Zhang, Jingjiong Chen, Zhi Geng, Yuwu Zhao
Angiogenesis is an important pathophysiological response to cerebral ischemia, and can be modulated by vascular endothelial growth factor (VEGF) and endostatin. Circulating endothelial progenitor cells (EPCs) also play an important role as an endogenous repair mechanism for ischemic injury. We sought to investigate early changes in the expression of VEGF and endostatin in serum and the circulating EPCs in patients with acute ischemic stroke (AIS) and analyzed the relations between them. The peripheral blood and serum samples were obtained from 30 patients at 1, 3, 5 and 7 d after AIS...
January 16, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28091956/does-caffeine-influence-the-anticholinesterase-and-antioxidant-properties-of-donepezil-evidence-from-in-vitro-and-in-vivo-studies
#16
Ganiyu Oboh, Opeyemi Babatunde Ogunsuyi, Oluwaseyi Emmanuel Olonisola
Caffeine is adjudged world's most consumed pharmacologically active food component. With reports of the potential cognitive enhancing properties of caffeine, we sought to investigate if caffeine can influence the anticholinesterase and antioxidant properties of donepezil-a selective acetylcholinesterase (AChE) inhibitor used in the management of Alzheimer's disease (AD). In vitro, we investigated the effect of donepezil (DON), caffeine (CAF) and their various combinations on the activity of AChE in rat brain homogenate, as well as determined their antioxidant properties...
January 13, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28078553/expression-of-apoptosis-regulatory-genes-in-the-hippocampus-of-rat-neonates-born-to-mothers-with-diabetes
#17
Hossein Haghir, Javad Hami, Nassim Lotfi, Mostafa Peyvandi, Simagol Ghasemi, Mehran Hosseini
Diabetes during pregnancy impairs the development of the central nervous system (CNS) and causes cognitive and behavioral abnormalities in offspring. However, the exact mechanism by which the maternal diabetes affects the development of the brain remains to be elucidated. The aim of the present study was to investigate the effects of maternal diabetes in pregnancy on the expression of Bcl-2 and Bax genes and the numerical density of degenerating dark neurons (DNs) in the hippocampus of offspring at the first postnatal two weeks...
January 11, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28074329/dietary-adequacy-of-egyptian-children-with-autism-spectrum-disorder-compared-to-healthy-developing-children
#18
Nagwa A Meguid, Mona Anwar, Geir Bjørklund, Adel Hashish, Salvatore Chirumbolo, Maha Hemimi, Eman Sultan
Although the etiology and pathology of autism spectrum disorder (ASD) is still poorly understood, a number of environmental, anthropological, neurobiological and genetic factors have been related to the pathophysiology of ASD, even the impact of oxidative stress response related to the environment and nutrition intake. Usual recommended dietary habits are based on the combination of behavioral and dietary or nutraceutical interventions together with pharmacotherapy. Investigations about a reliable relationship between diet and ASD are still lacking...
January 10, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28070704/sleep-disturbances-in-patients-of-liver-cirrhosis-with-minimal-hepatic-encephalopathy-before-and-after-lactulose-therapy
#19
Jatinderpal Singh, Barjesh Chander Sharma, Vinod Puri, Sanjeev Sachdeva, Siddharth Srivastava
Sleep disturbances are common in patients of cirrhosis with minimal hepatic encephalopathy (MHE) and affect health related quality of life (HRQOL). No study has evaluated effect of lactulose on sleep disturbances and correlation with HRQOL in patients with MHE. We assessed sleep disturbances in cirrhosis with MHE and effect of lactulose on sleep disturbances and HRQOL. One hundred patients of cirrhosis [MHE; (n = 50, age 45.3 ± 11.2 years, 45 males) no-MHE (n = 50, age 46.3 ± 10.4 years, 44 males)] were included...
January 9, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28070703/nmr-based-metabolomics-reveals-brain-region-specific-metabolic-alterations-in-streptozotocin-induced-diabetic-rats-with-cognitive-dysfunction
#20
Hong Zheng, Qiuting Lin, Dan Wang, Pengtao Xu, Liangcai Zhao, Wenyi Hu, Guanghui Bai, Zhihan Yan, Hongchang Gao
Diabetes mellitus (DM) can result in cognitive dysfunction, but its potential metabolic mechanisms remain unclear. In the present study, we analyzed the metabolite profiling in eight different brain regions of the normal rats and the streptozotocin (STZ)-induced diabetic rats accompanied by cognitive dysfunction using a (1)H NMR-based metabolomic approach. A mixed linear model analysis was performed to assess the effects of DM, brain region and their interaction on metabolic changes. We found that different brain regions in rats displayed significant metabolic differences...
January 9, 2017: Metabolic Brain Disease
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