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Obesity and genes

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https://www.readbyqxmd.com/read/29928644/the-case-chronic-kidney-disease-unmasked-by-single-subject-research
#1
Benjamin Gollasch, Oskar Wischnewski, Birgit Rudolph, Yoland-Marie Anistan, Friedrich C Luft, Maik Gollasch
We present a 42-year-old man with a BMI of 32, who was referred because of proteinuria and decreased renal function. We were impressed by his markedly muscular physique. A renal biopsy was performed, which showed focal segmental glomerular sclerosis (FSGS). Is this patient merely an obese person with FSGS or is something else going on here? We performed extensive clinical and laboratory examinations, genetic testing, and anthropometric data monitoring over time. We transferred our methodology for routine FSGS mutation screening (Sanger sequencing) to the Ion Torrent PGM platform with a new custom-targeted NGS gene panel (Ion Ampliseq FSGS panel) and tested the performance of the system in two cohorts of patients with FSGS...
May 2018: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/29928018/polymorphisms-in-the-receptor-for-advanced-glycation-end-products-rage-gene-and-circulating-rage-levels-as-a-susceptibility-factor-for-non-alcoholic-steatohepatitis-nash
#2
Rohini Mehta, Gladys Shaw, Peter Masschelin, Sean Felix, Munkzhul Otgonsuren, Ancha Baranova, Zachary Goodman, Zobair Younossi
Non-alcoholic fatty liver disease (NAFLD) is a hepatic manifestation of metabolic syndrome and major cause of chronic liver disease in developed countries. Its prevalence is increasing in parallel with the prevalence of obesity and other components of the metabolic syndrome. As the liver is central to the clearance and catabolism of circulating advanced glycosylation end-products (AGEs), AGEs and their cognate receptors-RAGE (receptor for AGEs) system might be involved in NAFLD in obese patients. To examine this, we investigated four common polymorphisms of RAGE gene: 1704G/T (rs184003), G82S (rs2070600), -374T/A (rs1800624) and -429T/C (rs1800625) in 340 obese patients with metabolic syndrome...
2018: PloS One
https://www.readbyqxmd.com/read/29927903/expression-of-the-marburg-i-single-nucleotide-polymorphism-mi-snp-and-the-marburg-ii-single-nucleotide-polymorphism-mii-snp-of-the-factor-vii-activating-protease-fsap-gene-and-risk-of-coronary-artery-disease-cad-a-pilot-study-in-a-single-population
#3
Mariana S Parahuleva, Bernhard Schieffer, Michael Klassen, Michael Worsch, Behnoush Parviz, Hans Hölschermann
BACKGROUND Factor VII-activating protease (FSAP) has a role in vascular inflammation and may have a role coronary artery disease (CAD). The aim of this study was to investigate the association between two naturally occurring single nucleotide polymorphisms (SNPs) in the FSAP gene and the risk of coronary artery disease (CAD). MATERIAL AND METHODS Of 733 patients, 173 patients had symptoms of angina, and 560 patients had CAD confirmed by coronary angiography. All patients were genotyped for SNPs of the FSAP gene, Marburg I (MI-SNP) and Marburg II (MII-SNP), using 5' exonuclease TaqMan assays...
June 21, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29927319/dietary-fat-stimulates-pancreatic-cancer-growth-and-promotes-fibrosis-of-the-tumor-microenvironment-through-the-cholecystokinin-receptor
#4
Sandeep Nadella, Julian Burks, Abdulhameed Al-Sabban, Gloria Inyang, Juan Wang, Robin D Tucker, Marie E Zamanis, William Bukowski, Narayan Shivapurkar, Jill P Smith
The gastrointestinal peptide cholecystokinin (CCK) is released from the duodenum in response to dietary fat to aid in digestion, and plasma CCK levels are elevated with the consumption of high fat diets. CCK is also a trophic peptide for the pancreas and has also been shown to stimulate growth of pancreatic cancer. In the current investigation, we studied the influence of a diet high in saturated fat on growth of pancreatic cancer in syngeneic murine models before the mice became obese to exclude the confounding factors associated with obesity...
June 21, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29926984/association-analysis-of-interleukin-18-gene-promoter-region-polymorphisms-and-susceptibility-to-sporadic-breast-cancer-in-chinese-han-women
#5
Xuefeng Qiao, Danfei Xu, Dandan Sun, Sijin Sun, Zhiping Huang, Wei Cui
BACKGROUND: Interleukin-18-137G/C, -607G/T polymorphisms play multiple roles in various cancers. However, studies focused on its involvement in breast cancer remain controversial, and no study has taken the interaction between interleukin-18 (IL-18) gene polymorphism and body mass index (BMI), menopause into consideration. The study investigated the association between IL-18-137, -607 polymorphisms and risk of breast cancer and a possible interaction between the 2 single nucleotide polymorphisms (SNPs) and BMI, menopause in Chinese Han woman...
June 21, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29926667/-effects-and-mechanism-of-hypoxia-exposure-on-related-genes-in-brown-fat-tissue-of-obese-mice-based-on-mrna-expression-profile-microarray
#6
Li-Jing Gong, Peng-Yu Fu, Rong-Xin Zhu, Lei Wang, Yang Hu
OBJECTIVE: This study intended to screen differentially expressed genes and pathways in Brown Adipose Tissue (BAT) of obese mice after the intervention of hypoxia by mRNA expression profile microarray, exploring the mechanism of hypoxia activated BAT. METHODS: Thirty C57BL/6J male mice were divided into the normal diet control group (N, n =8), high-fat diet control group (OB, n =8) and high-fat diet hypoxia group (H, n =8). Group H was intervened by hypoxia exposure in the oxygen concentration of 11...
January 8, 2018: Chinese Journal of Applied Physiology
https://www.readbyqxmd.com/read/29926348/melatonin-treatment-suppresses-appetite-genes-and-improves-adipose-tissue-plasticity-in-diet-induced-obese-zebrafish
#7
G Montalbano, M Mania, F Abbate, M Navarra, M C Guerrera, R Laura, J A Vega, M Levanti, A Germanà
PURPOSE: Overweight and obesity are important risk factors for diabetes, cardiovascular diseases, and premature death in modern society. Recently, numerous natural and synthetic compounds have been tested in diet-induced obese animal models, to counteract obesity. Melatonin is a circadian hormone, produced by pineal gland and extra-pineal sources, involved in processes which have in common a rhythmic expression. In teleost, it can control energy balance by activating or inhibiting appetite-related peptides...
June 20, 2018: Endocrine
https://www.readbyqxmd.com/read/29925367/genetic-interaction-effects-reveal-lipid-metabolic-and-inflammatory-pathways-underlying-common-metabolic-disease-risks
#8
Hyung Jun Woo, Jaques Reifman
BACKGROUND: Common metabolic diseases, including type 2 diabetes, coronary artery disease, and hypertension, arise from disruptions of the body's metabolic homeostasis, with relatively strong contributions from genetic risk factors and substantial comorbidity with obesity. Although genome-wide association studies have revealed many genomic loci robustly associated with these diseases, biological interpretation of such association is challenging because of the difficulty in mapping single-nucleotide polymorphisms (SNPs) onto the underlying causal genes and pathways...
June 20, 2018: BMC Medical Genomics
https://www.readbyqxmd.com/read/29925242/beneficial-metabolic-effects-of-2-3-5-tri-acetyl-n6-3-hydroxylaniline-adenosine-in-multiple-biological-matrices-and-intestinal-flora-of-hyperlipidemic-hamsters
#9
Tianqi Li, Shanshan Sun, Jinyue Zhang, Kai Qu, Liu Yang, Changlu Ma, Xiangju Jin, Haibo Zhu, Yinghong Wang
ABSTRACT:Hyperlipidemia is one of the main causes of obesity, type 2 diabetes mellitus (T2DM) and atherosclerosis. The adenosine derivative, 2', 3', 5'-tri-acetyl-N6-(3-hydroxylaniline) adenosine (IMM-H007) is an effective lipid-lowering compound that has important implications for the development of lipid-lowering drugs. Metabolomic analysis based on 1H-NMR was used to monitor dynamic changes in diverse biological media including serum, liver, urine, and feces in response to high-fat diet (HFD) and IMM-H007 treatments...
June 21, 2018: Journal of Proteome Research
https://www.readbyqxmd.com/read/29924135/exenatide-ameliorates-hepatic-steatosis-and-attenuates-fat-mass-and-fto-gene-expression-through-pi3k-signaling-pathway-in-nonalcoholic-fatty-liver-disease
#10
Shan Li, Xiaoman Wang, Jielei Zhang, Jingyi Li, Xiaogang Liu, Yuanyuan Ma, Chao Han, Lixia Zhang, Lili Zheng
Non-alcoholic fatty liver disease (NAFLD) is a common disease associated with metabolic syndrome and can lead to life-threatening complications like hepatic carcinoma and cirrhosis. Exenatide, a glucagon-like peptide-1 (GLP-1) receptor agonist antidiabetic drug, has the capacity to overcome insulin resistance and attenuate hepatic steatosis but the specific underlying mechanism is unclear. This study was designed to investigate the underlying molecular mechanisms of exenatide therapy on NAFLD. We used in vivo and in vitro techniques to investigate the protective effects of exenatide on fatty liver via fat mass and obesity associated gene (FTO) in a high-fat (HF) diet-induced NAFLD animal model and related cell culture model...
2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29922272/gut-microbiota-markers-in-obese-adolescent-and-adult-patients-age-dependent-differential-patterns
#11
Federica Del Chierico, Francesca Abbatini, Alessandra Russo, Andrea Quagliariello, Sofia Reddel, Danila Capoccia, Romina Caccamo, Stefano Ginanni Corradini, Valerio Nobili, Francesco De Peppo, Bruno Dallapiccola, Frida Leonetti, Gianfranco Silecchia, Lorenza Putignani
Obesity levels, especially in children, have dramatically increased over the last few decades. Recently, several studies highlighted the involvement of gut microbiota in the pathophysiology of obesity. We investigated the composition of gut microbiota in obese adolescents and adults compared to age-matched normal weight (NW) volunteers in order to assemble age- and obesity-related microbiota profiles. The composition of gut microbiota was analyzed by 16S rRNA-based metagenomics. Ecological representations of microbial communities were computed, and univariate, multivariate, and correlation analyses performed on bacterial profiles...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29922174/diet-induced-obesity-affects-muscle-regeneration-after-murine-blunt-muscle-trauma-a-broad-spectrum-analysis
#12
Pengfei Xu, Jens-Uwe Werner, Sebastian Milerski, Carmen M Hamp, Tatjana Kuzenko, Markus Jähnert, Pascal Gottmann, Luisa de Roy, Daniela Warnecke, Alireza Abaei, Annette Palmer, Markus Huber-Lang, Lutz Dürselen, Volker Rasche, Annette Schürmann, Martin Wabitsch, Uwe Knippschild
Injury to skeletal muscle affects millions of people worldwide. The underlying regenerative process however, is a very complex mechanism, time-wise highly coordinated, and subdivided in an initial inflammatory, a regenerative and a remodeling phase. Muscle regeneration can be impaired by several factors, among them diet-induced obesity (DIO). In order to evaluate if obesity negatively affects healing processes after trauma, we utilized a blunt injury approach to damage the extensor iliotibialis anticus muscle on the left hind limb of obese and normal weight C57BL/6J without showing any significant differences in force input between normal weight and obese mice...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29921800/interaction-between-an-adcy3-genetic-variant-and-two-weight-lowering-diets-affecting-body-fatness-and-body-composition-outcomes-depending-on-macronutrient-distribution-a-randomized-trial
#13
Leticia Goni, Jose Ignacio Riezu-Boj, Fermín I Milagro, Fernando J Corrales, Lourdes Ortiz, Marta Cuervo, J Alfredo Martínez
The adenylate cyclase 3 ( ADCY3 ) gene is involved in the regulation of several metabolic processes including the development and function of adipose tissue. The effects of the ADCY3 rs10182181 genetic variant on changes in body composition depending on the macronutrient distribution intake after 16 weeks of the dietary intervention were tested. The ADCY3 genetic variant was genotyped in 147 overweight or obese subjects, who were randomly assigned to one of the two diets varying in macronutrient content: a moderately-high-protein diet and a low-fat diet...
June 19, 2018: Nutrients
https://www.readbyqxmd.com/read/29915363/ghrelin-reductions-following-bariatric-surgery-were-associated-with-decreased-resting-state-activity-in-the-hippocampus
#14
Yi Zhang, Gang Ji, Guanya Li, Yang Hu, Li Liu, Qingchao Jin, Qianqian Meng, Jizheng Zhao, Kai Yuan, Jixn Liu, Karen M von Deneen, Antao Chen, Guangbin Cui, Huaning Wang, Qingchuan Zhao, Kaichun Wu, Jie Tian, Peter Manza, Dardo Tomasi, Nora D Volkow, Yongzhan Nie, Gene-Jack Wang
BACKGROUND/OBJECTIVE: Laparoscopic sleeve gastrectomy (LSG) is an effective bariatric surgery to treat obesity, and involves removal of the gastric fundus where ghrelin is mainly produced. Ghrelin stimulates appetite and regulates food intake through its effect on the hypothalamus and hippocampus (HIPP). While ghrelin's role on the hypothalamus has been explored, little is known about its role on HIPP. We tested the hypothesis that LSG-induced reductions in ghrelin levels would be associated with changes in HIPP activity...
June 18, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29914985/inhibition-of-cd36-reduces-visceral-fat-accumulation-and-improves-insulin-resistance-in-diet-induced-obese-bdnf-val66met-mice
#15
Jiwon Yang, Keun Woo Park, Sunghee Cho
Obesity-induced metabolic dysfunctions increase risk of vascular diseases including type II diabetes and stroke. While managing obesity is an interest to address the worldwide health problem, how genetic variability affects human obesity development and specific targets for obesity-related metabolic disease have not been thoroughly studied. A single nucleotide polymorphism (SNP) in the brain derived neurotropic factor (BDNF) gene that results in the substitution of a valine to a methionine at codon 66 ( val66met ) occurs with a high frequency in humans...
June 18, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29914872/metformin-and-jq1-synergistically-inhibit-obesity-activated-thyroid-cancer
#16
Sunmi Park, Mark Willingham, Jun Qi, Sheue-Yann Cheng
Compelling epidemiological evidence shows a strong positive correlation of obesity with thyroid cancer. In vivo studies have provided molecular evidence that high-fat-diet-induced obesity promotes thyroid cancer progression by aberrantly activating leptin-JAK2-STAT3 signaling in a mouse model of thyroid cancer (ThrbPV/PVPten+/- mice). The ThrbPV/PVPten+/- mouse expresses a dominantly negative thyroid hormone receptor β (denoted as PV) and a deletion of one single allele of the Pten gene. The ThrbPV/PVPten+/- mouse spontaneously develops follicular thyroid cancer, which allows its use as a preclinical mouse model to test potential therapeutics...
June 18, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29914624/toll-like-receptor-signaling-and-serum-levels-of-interferon-%C3%AE-and-lipopolysaccharide-binding-protein-are-related-to-abdominal-obesity-a-case-control-study-between-metabolically-healthy-and-metabolically-unhealthy-obese-individuals
#17
Mahsa Naghizadeh, Behzad Baradaran, Maryam Saghafi-Asl, Parichehr Amiri, Dariush Shanehbandi, Nahid Karamzad, Leila Mohamed-Khosroshahi
It is still unclear whether toll-like receptor (TLR) signaling and serum levels of inflammatory markers in metabolically unhealthy abdominally obese (MUAO) are due to their obesity and/or their metabolic state. We hypothesized that abdominal obesity is an important mediator of the association of metabolic state with TLR signaling and serum inflammatory markers. Therefore, in this case-control study, we compared the expression levels of TLR4 and Toll/interleukin-1 receptor domain containing adaptor protein-inducing interferon β (TRIF) and serum concentrations of interferon β and lipoprotein-binding protein (LBP) in metabolically healthy abdominally obese (MHAO) and MUAO individuals...
July 2018: Nutrition Research
https://www.readbyqxmd.com/read/29914387/a-de-novo-kmt2d-mutation-in-a-girl-with-kabuki-syndrome-associated-with-endocrine-symptoms-a-case-report
#18
Jung-Eun Moon, Su-Jeong Lee, Cheol Woo Ko
BACKGROUND: Kabuki syndrome is characterized by distinctive facial features and varying degrees of growth retardation. It leads to malformations in skeletal, urogenital and cardiac structures; moreover, endocrine conditions such as premature thelarche, precocious puberty, growth hormone deficiency, diabetes insipidus, thyroid dysfunction and obesity have been reported. Kabuki syndrome is caused by a heterozygous mutation in the KMT2D or KDM6A genes. CASE PRESENTATION: An 11-year-old girl with the typical facial features of Kabuki syndrome visited our hospital due to her short stature...
June 18, 2018: BMC Medical Genetics
https://www.readbyqxmd.com/read/29912854/spexin-modulates-functions-of-rat-endocrine-pancreatic-cells
#19
Maciej Sassek, Pawel A Kolodziejski, Mathias Z Strowski, Leszek Nogowski, Krzysztof W Nowak, Pawel Mackowiak
OBJECTIVES: Spexin is a peptide whose action is poorly understood but which is expressed in many tissues. This encouraged us to investigate the potential role of spexin in the regulation of pancreatic secretion. METHODS: Cells/islets were incubated with different concentrations of glucose and spexin to measure insulin secretion. MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assays and BrdU (5-bromo-2'-deoxyuridine) tests were performed to assess the viability and proliferation of pancreatic islets after spexin treatment...
June 16, 2018: Pancreas
https://www.readbyqxmd.com/read/29911994/fasting-induced-jmjd3-histone-demethylase-epigenetically-activates-mitochondrial-fatty-acid-%C3%AE-oxidation
#20
Sunmi Seok, Young-Chae Kim, Sangwon Byun, Sunge Choi, Zhen Xiao, Naoki Iwamori, Yang Zhang, Chaochen Wang, Jian Ma, Kai Ge, Byron Kemper, Jongsook Kim Kemper
Jumonji D3 (JMJD3) histone demethylase epigenetically regulates development and differentiation, immunity, and tumorigenesis by demethylating a gene repression histone mark, H3K27-me3, but a role for JMJD3 in metabolic regulation has not been described. SIRT1 deacetylase maintains energy balance during fasting by directly activating both hepatic gluconeogenic and mitochondrial fatty acid β-oxidation genes, but the underlying epigenetic and gene-specific mechanisms remain unclear. In this study, JMJD3 was identified unexpectedly as a gene-specific transcriptional partner of SIRT1 and epigenetically activated mitochondrial β-oxidation, but not gluconeogenic, genes during fasting...
June 18, 2018: Journal of Clinical Investigation
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