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Parisa Naseri, Soheila Khodakarim, Kamran Guity, Maryam S Daneshpour
BACKGROUND: Mechanisms of metabolic syndrome (MetS) causation are complex, genetic and environmental factors are important factors for the pathogenesis of MetS In this study, we aimed to evaluate familial and genetic influences on metabolic syndrome risk factor and also assess association between FTO (rs1558902 and rs7202116) and CETP(rs1864163) genes' single nucleotide polymorphisms (SNP) with low HDL_C in the Tehran Lipid and Glucose Study (TLGS). MATERIALS AND METHODS: The design was a cross-sectional study of 1776 members of 227 randomly-ascertained families...
March 14, 2018: Gene
Ana Huđek, Lucija Škara, Barbara Smolkovič, Snježana Kazazić, Sanda Ravlić, Lucia Nanić, Martina Matovinović Osvatić, Jozo Jelčić, Ivica Rubelj, Višnja Bačun-Družina
Obesity is composed of multifunctional interactions of eating habits, behaviors, microbiota, genetics, and other unknown factors. We hypothesize that correlations occur between the fat mass and obesity-associated single nucleotide polymorphisms (FTO SNPs), the composition of microorganisms in the saliva, and life habits in obese women from Zagreb County. Our results of the analysis of 3 FTO SNPs showed a statistically significant positive correlation among the frequencies of the high-risk genotypes AA rs9939609 (P = ...
February 2018: Nutrition Research
Shabeeb Hussain, Mohammad Mahdi Tavakoli, Aashir Waleed, Umar Siddique Virk, Shihe Yang, Amir Waseem, Zhiyong Fan, Muhammad Arif Nadeem
We demonstrate for the first time the application of p-NiFe2 O4 /n-Fe2 O3 composite thin films as anode materials for light-assisted electrolysis of water. The p-NiFe2 O4 /n-Fe2 O3 composite thin films were deposited on planar fluorinated tin oxide (FTO)-coated glass as well as on 3D array of nanospike (NSP) substrates. The effect of substrate (planar FTO and 3D-NSP) and percentage change of each component (i.e., NiFe2 O4 and Fe2 O3 ) of composite was studied on photoelectrochemical (PEC) water oxidation reaction...
March 14, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
Shinsuke Koike, Marcus Richards, Andrew Wong, Rebecca Hardy
Although bi-directional relationships between high body mass index (BMI) and affective symptoms have been found, no study has investigated the relationships across the life course. There has also been little exploration of whether the fat mass and obesity-associated (FTO) rs9939609 single-nucleotide polymorphism (SNP) is associated with affective symptoms and/or modifies the relationship between BMI and affective symptoms. In the MRC National Survey of Health and Development (NSHD), 4556 participants had at least one measure of BMI and affective symptoms between ages 11 and 60-64 years...
March 13, 2018: Translational Psychiatry
Susan J Melhorn, Mary K Askren, Wendy K Chung, Mario Kratz, Tyler A Bosch, Vidhi Tyagi, Mary F Webb, Mary Rosalynn B De Leon, Thomas J Grabowski, Rudolph L Leibel, Ellen A Schur
Background: Variants in the first intron of the fat mass and obesity-associated (FTO) gene increase obesity risk. People with "high-risk" FTO genotypes exhibit preference for high-fat foods, reduced satiety responsiveness, and greater food intake consistent with impaired satiety. Objective: We sought central nervous system mechanisms that might underlie impaired satiety perception in people with a higher risk of obesity based on their FTO genotype. Design: We performed a cross-sectional study in a sample that was enriched for obesity and included 20 higher-risk participants with the AA (risk) genotype at the rs9939609 locus of FTO and 94 lower-risk participants with either the AT or TT genotype...
February 1, 2018: American Journal of Clinical Nutrition
Mahadeo A Mahadik, Pravin S Shinde, Hyun Hwi Lee, Min Cho, Jum Suk Jang
This data article presents the experimental evidences of the effect of TiO2 -fluorine doped tin oxide interface annealing and Ni(OH)2 cocatalysts on the photoelectrochemical, structural, morphological and optical properties of Ni(OH)2 /CdS/ZnIn2 S4 /TiO2 heterojunction. The Raman spectroscopy exhibits the sharp features of the rutile phase of TiO2 and in agreement with the X-ray diffraction data. The band gap energy of the 500 °C sample was found to be 3.12 eV, further it was increased to 3.20, 3.22 eV for samples annealed at 600 and 700 °C respectively...
April 2018: Data in Brief
Bahareh Sedaghati-Khayat, Maryam Barzin, Mahdi Akbarzadeh, Kamran Guity, Mohammad-Sadegh Fallah, Hoda Pourhassan, Fereidoun Azizi, Maryam S Daneshpour
BACKGROUND: Obesity is currently an international epidemic and metabolic derangements pose these individuals at greater risk for future morbidity and mortality. Genetics and environmental factors have undeniable effects and among genetic risk factors, FTO/CETP genes are important. The current study examines the interaction between obesity phenotypes and FTO/CETP SNPs and their effects on lipid profile changes. MATERIALS AND METHODS: We selected 954 adult subjects from TCGS (47...
March 10, 2018: Eating and Weight Disorders: EWD
Niloufar Javanrouh, Maryam S Daneshpour, Ali Reza Soltanian, Leili Tapak
INTRODUCTION: Obesity is a serious health problem that leads to low quality of life and early mortality. To the purpose of prevention and gene therapy for such a worldwide disease, genome wide association study is a powerful tool for finding SNPs associated with increased risk of obesity. To conduct an association analysis, kernel machine regression is a generalized regression method, has an advantage of considering the epistasis effects as well as the correlation between individuals due to unknown factors...
March 7, 2018: Gene
Yu-Ting Gong, Fang Yuan, Yuming Dong, Zaijun Li, Guang-Li Wang
A novel and general strategy of split-type immunoassay is developed based on redox chemical reaction modulated photoelectrochemistry of carbon dots (CDs). Specifically, the photocurrent of the CDs sensitized titanium dioxide nanoparticles (TiO2 NPs) modified fluorine doped indium tin oxide (FTO) (that is the FTO/TiO2 /CDs) electrode was inhibited obviously by KMnO4 due to the oxidation of surface hydroxyl groups of CDs to electron accepting carbonyls. While the inhibited photocurrent of the KMnO4 treated FTO/TiO2 /CDs electrode can be restored by ascorbic acid (AA) because of the regeneration of electron donating hydroxyls to promote electron-hole separation...
July 19, 2018: Analytica Chimica Acta
Fan Wu, Qiquan Qiao, Behzad Bahrami, Ke Chen, Rajesh Pathak, Yanhua Tong, Xiaoyi Li, Tiansheng Zhang, Ronghua Jian
We present a method to synthesize CuO nanorod array/TiO<sub>2</sub> nanocrystals bulk heterojunction on fluorin-tin-oxide (FTO) glass, in which single-crystalline p-type semiconductor of the CuO nanorod array is grown on the FTO glass by hydrothermal reaction and the n-type semiconductor of the TiO<sub>2</sub> precursor is filled into the CuO nanorods to form well-organized nano-interpenetrating bulk heterojunction after air annealing. The interface charge transfer in CuO nanorod array/TiO<sub>2</sub> heterojunction is studied by Kelvin probe force microscopy (KPFM)...
March 9, 2018: Nanotechnology
Gaia Olivo, Francesco Latini, Lyle Wiemerslage, Elna-Marie Larsson, Helgi B Schiöth
Background : Neurovascular coupling is associated with white matter (WM) structural integrity, and it is regulated by specific subtypes of dopaminergic receptors. An altered activity of such receptors, highly expressed in reward-related regions, has been reported in carriers of obesity-risk alleles of the fat mass and obesity associated ( FTO ) gene. Among the reward-related regions, the thalamus and the nucleus accumbens are particularly vulnerable to blood pressure dysregulation due to their peculiar anatomo-vascular characteristics, and have been consistently reported to be altered in early-stage obesity...
2018: Frontiers in Human Neuroscience
Chong Liu, Wenzhe Li, Cuiling Zhang, Yunping Ma, Jiandong Fan, Yaohua Mai
All-inorganic perovskite solar cells provide a promising solution to tackle the thermal instability problem of organic-inorganic perovskite solar cells. Herein, we designed an all-inorganic perovskite solar cell with novel structure (FTO/NiOx/CsPbI2Br/ZnO@C60/Ag), in which ZnO@C60 bilayer were utilized as the electron-transporting layers that demonstrated high carrier extraction efficiency and low leakage loss. Conse-quently, the as-fabricated all-inorganic CsPbI2Br perovskite solar cell yielded the power conversion efficiency (PCE) as high as 13...
March 8, 2018: Journal of the American Chemical Society
Pengjun Zhao, Manhyung Han, Wenping Yin, Xing Zhao, Seul-Gi Kim, Yaping Yan, Minwoo Kim, Young Jae Song, Nam-Gyu Park, Hyun Suk Jung
Currently, the most efficient perovskite solar cells (PSCs) mainly use planar and mesoporous titanium dioxide (TiO2) as an electron-transporting-layer (ETL). However, due to its intrinsic photocatalytic properties, TiO2 can decompose perovskite absorber and lead to poor stability under solar illumination (ultraviolet light). Herein, simplified architectural ETL-free PSC with enhanced efficiency and outstanding photostability is produced by the facile deposition of Bathocuproine (BCP) interlayer. Power conversion efficiency (PCE) of ETL-free PSC improves from 15...
March 6, 2018: ACS Applied Materials & Interfaces
Gen Liu, Cheng Ma, Baokang Jin, Zixuan Chen, Jun-Jie Zhu
Single-cell imaging is essential for elucidating the biological mechanism of cell function because it accurately reveals the heterogeneity among cells. The electrochemiluminescence (ECL) microscopy technique has been considered a powerful tool to study cells because of its high throughput and zero cellular background light. However, since cells are immobilized on the electrode surface, the steric hindrance and the insulation from the cells make it difficult to obtain a luminous cell ECL image. To solve this problem, direct ECL imaging of a single cell was investigated and achieved on chitosan and nano-TiO2 modified fluoride-doped tin oxide conductive glass (FTO/TiO2/CS)...
March 6, 2018: Analytical Chemistry
Lara A Aqrawi, Janicke Liaaen Jensen, Gunnvor Øijordsbakken, Ann-Kristin Ruus, Ståle Nygård, Marit Holden, Roland Jonsson, Hilde Kanli Galtung, Kathrine Skarstein
A characteristic feature of primary Sjögren's syndrome (pSS) is the destruction of salivary and lacrimal glands mediated by mononuclear cell infiltration. Adipocytes can also occupy a large portion of the salivary gland (SG) tissue area, although little is known about their significance in pSS. We have previously investigated adipose tissue infiltration in SG biopsies from pSS patients and non-SS sicca controls. Our findings indicated the distinct incidence of adipose tissue replacement in pSS patients, where adipocytes were detected in interleukin (IL) 6 rich regions...
March 5, 2018: Autoimmunity
Zhihui Feng, Qimeng Li, Runsha Meng, Baicheng Yi, Qiong Xu
Dental pulp inflammation is a widespread public health problem caused by oral bacterial infections and can progress to pulp necrosis and periapical diseases. N6-methyladenosine (m6A) is a prevalent epitranscriptomic modification in mRNA. Previous studies have demonstrated that m6A methylation plays important roles in cell differentiation, embryonic development and stress responses. However, whether m6A modification affects dental pulp inflammation remains unknown. To address this issue, we investigated the expression of m6A and N6-adenosine methyltransferase (METTL3, METTL14) as well as demethylases (FTO, ALKBH5) and found that the levels of m6A and METTL3 were up-regulated in human dental pulp cells (HDPCs) stimulated by lipopolysaccharide (LPS)...
March 4, 2018: Journal of Cellular and Molecular Medicine
Huajie Li, Yi Ren, Keshi Mao, Fei Hua, Yilin Yang, Ning Wei, Chunxian Yue, Dawen Li, Hao Zhang
Diabetes and obesity are commonly associated with Alzheimer's disease (AD). Accumulating evidence show that insulin signaling defects are protentional upstream driver of AD. However, the mechanism by which diabetes and insulin signaling defects contribute to AD remains unknown. Here we show that Fat mass and obesity-associated protein (FTO) is involved the insulin defects-associated AD. Defective insulin signaling in diabetes and obesity in human and mice activated Fto in the brain tissues. Lentivirus-mediated knockdown of Fto reduced the phosphorylation of Tau protein whereas overexpression of FTO promoted the level of phosphorylated Tau in neurons...
March 1, 2018: Biochemical and Biophysical Research Communications
Tingting Hong, Yushu Yuan, Zonggui Chen, Kun Xi, Tianlu Wang, Yalun Xie, Zhiyong He, Haomiao Su, Yu Zhou, Zhi-Jie Tan, Xiaocheng Weng, Xiang Zhou
Innovative detection techniques to achieve precise m6A distribution within mammalian transcriptome can advance our understanding of its biological functions. We specifically introduced the atom-specific replacement of Oxygen with progressively larger atoms (Sulphur and Selenium) at 4-position of deoxythymidine triphosphate to weaken its ability to base pair with m6A, while maintaining A-T* base pair virtually the same as the natural one. 4SedTTP turned out to be an outstanding candidate that endowed m6A with a specific signature of RT truncation, thereby making this "RT-silent" modification detectable with the assistance of m6A demethylase FTO through next-generation sequencing...
February 28, 2018: Journal of the American Chemical Society
Na Lu, Xingmei Li, Jiayao Yu, Yi Li, Chao Wang, Lili Zhang, Tian Wang, Xiang Zhong
N6 -methyladenosine (m6 A) regulates gene expression and affects cellular metabolism. In this study, we checked whether the regulation of lipid metabolism by curcumin is associated with m6 A RNA methylation. We investigated the effects of dietary curcumin supplementation on lipopolysaccharide (LPS)-induced liver injury and lipid metabolism disorder, and on m6 A RNA methylation in weaned piglets. A total of 24 Duroc × Large White × Landrace piglets were randomly assigned to control, LPS, and CurL (LPS challenge and 200 mg/kg dietary curcumin) groups (n = 8/group)...
January 2018: Lipids
Ao Chen, Xiaodong Chen, Shiqiang Cheng, Le Shu, Meiping Yan, Lun Yao, Binyu Wang, Shuguang Huang, Lei Zhou, Zaiqing Yang, Guoquan Liu
The fat mass and obesity-associated (FTO) gene is tightly related to body weight and fat mass, and plays a pivotal role in regulating lipid accumulation in hepatocytes. However, the mechanisms underlying its function are poorly understood. Sterol regulatory element binding protein-1c (SREBP1c) is a transcription factor that regulates lipogenesis. Cell death-inducing DFFA (DNA fragmentation factor-α)-like effector c (CIDEC) plays a crucial role in lipid droplets (LDs) size controlling and lipid accumulation...
February 24, 2018: Biochimica et Biophysica Acta
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