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https://www.readbyqxmd.com/read/29344438/new-therapeutic-approaches-in-obesity-and-metabolic-syndrome-associated-with-polycystic-ovary-syndrome
#1
REVIEW
Fatima Saleem, Syed W Rizvi
Polycystic ovary syndrome (PCOS) is a pathophysiological disorder affecting reproductive and metabolic indices. PCOS is commonly associated with a high prevalence of insulin resistance and obesity; this association carries an increased risk of developing metabolic syndrome, type 2 diabetes mellitus (T2DM), and cardiovascular disease. Guidelines recommend lifestyle modification, metformin, hormonal contraceptives (HCs), and bariatric surgery as the main treatment options in obese patients with PCOS. Studies are being conducted to test the efficacy of existing treatment options as well as to discover new therapies...
November 13, 2017: Curēus
https://www.readbyqxmd.com/read/29343164/inflammatory-and-oxidative-responses-in-pregnancies-with-obesity-and-periodontal-disease
#2
Marta Zambon, Chiara Mandò, Alessandra Lissoni, Gaia Maria Anelli, Chiara Novielli, Manuela Cardellicchio, Roberto Leone, Marta Noemi Monari, Maddalena Massari, Irene Cetin, Silvio Abati
BACKGROUND: Maternal obesity is related to immunologic and inflammatory systemic modifications that may worsen the pregnancy inflammatory status. Hormonal changes during pregnancy can adversely affect oral biofilms and oral health initiating or worsening periodontal diseases, with enhanced local and systemic oxidative stress and inflammation. OBJECTIVE: The aim of this study was to examine the relationship between local salivary and systemic parameters of oxidative stress and inflammation in relation to obesity and periodontal diseases...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29340678/lifestyle-intervention-and-medical-management-with-vs-without-roux-en-y-gastric-bypass-and-control-of-hemoglobin-a1c-ldl-cholesterol-and-systolic-blood-pressure-at-5-years-in-the-diabetes-surgery-study
#3
COMMENT
Sayeed Ikramuddin, Judith Korner, Wei-Jei Lee, Avis J Thomas, John E Connett, John P Bantle, Daniel B Leslie, Qi Wang, William B Inabnet, Robert W Jeffery, Keong Chong, Lee-Ming Chuang, Michael D Jensen, Adrian Vella, Leaque Ahmed, Kumar Belani, Charles J Billington
Importance: The Roux-en-Y gastric bypass is effective in achieving established diabetes treatment targets, but durability is unknown. Objective: To compare durability of Roux-en-Y gastric bypass added to intensive lifestyle and medical management in achieving diabetes control targets. Design, Setting, and Participants: Observational follow-up of a randomized clinical trial at 4 sites in the United States and Taiwan, involving 120 participants who had a hemoglobin A1c (HbA1c) level of 8...
January 16, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29339445/bile-acids-in-glucose-metabolism-in-health-and-disease
#4
REVIEW
Hagit Shapiro, Aleksandra A Kolodziejczyk, Daniel Halstuch, Eran Elinav
Bile acids (BAs) are cholesterol-derived metabolites that facilitate the intestinal absorption and transport of dietary lipids. Recently, BAs also emerged as pivotal signaling molecules controlling glucose, lipid, and energy metabolism by binding to the nuclear hormone farnesoid X receptor (FXR) and Takeda G protein receptor 5 (TGR5) in multiple organs, leading to regulation of intestinal incretin secretion, hepatic gluconeogenesis, glycogen synthesis, energy expenditure, inflammation, and gut microbiome configuration...
January 16, 2018: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29338526/associations-of-abdominal-subcutaneous-and-visceral-fat-with-insulin-resistance-and-secretion-differ-between-men-and-women-the-netherlands-epidemiology-of-obesity-study
#5
Renée de Mutsert, Karin Gast, Ralph Widya, Eelco de Koning, Ingrid Jazet, Hildo Lamb, Saskia le Cessie, Albert de Roos, Jan Smit, Frits Rosendaal, Martin den Heijer
BACKGROUND: Abdominal obesity is a well-established risk factor for the development of type 2 diabetes. However, sex differences may exist. We aimed to investigate the associations of abdominal subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT) with insulin resistance and insulin secretion in men and women. METHODS: In this cross-sectional analysis of the Netherlands Epidemiology of Obesity study, fasting and postprandial concentrations of glucose and insulin were measured and abdominal fat depots were assessed using magnetic resonance imaging in 2253 participants (53% women)...
January 17, 2018: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/29334743/-adiponectin-in-patients-with-metabolic-syndrome-and-diseases-of-the-liver-bile-ducts-and-pancreas
#6
Adam Vašura, Martin Blaho, Petr Dítě, Tomáš Kupka, Pavel Svoboda, Arnošt Martínek
Epidemiological data show that the metabolic syndrome can be diagnosed in up to 30 % of the population. Regarding 5 components of the metabolic syndrome, three of them, in case of positivity (visceral obesity, arterial hypertension, hypertriglyceridemia, changes of HDL-cholesterol levels and type 2 diabetes mellitus), are pathogenic factors which are the most frequently related to cardiovascular diseases, but currently they are also the focus of interest for gastroenterologists. The relationship between non-alcoholic hepatic steatosis, including non-alcoholic steatohepatitis, has been described...
2018: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29333102/an-amino-acids-mixture-attenuates-glycemic-impairment-but-not-affects-adiposity-development-in-rats-fed-with-ages-containing-diet
#7
Yi-Hung Liao, Chung-Yu Chen, Chiao-Nan Chen, Chia-Ying Wu, Shiow-Chwen Tsai
Background: Unhealthy western dietary patterns lead to over-consumption of fat and advanced glycation end-products (AGEs), and these account for the developments of obesity, diabetes, and related metabolic disorders. Certain amino acids (AAs) have been recently demonstrated to improve glycemia and reduce adiposity. Therefore, our primary aims were to examine whether feeding an isoleucine-enriched AA mixture (4.5% AAs; Ile: 3.0%, Leu: 1.0%, Val: 0.2%, Arg: 0.3% in the drinking water) would affect adiposity development and prevent the impairments of glycemic control in rats fed with the fat/AGE-containing diet (FAD)...
2018: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29331088/significance-of-circulatory-dpp4-activity-in-metabolic-diseases
#8
REVIEW
Titli Nargis, Partha Chakrabarti
Dipeptidyl peptidase 4 (DPP4), also known as CD26 is a type II transmembrane protein that is released from the cell membrane in a nonclassical secretory mechanism. This exopeptidase selectively degrades varieties of substrates including incretin hormones, growth factors, and cytokines. A significant detectable amount of DPP4 activity can be measured in plasma as well as in different tissues such as intestinal epithelium, vascular endothelium, lymphocytes, monocytes, kidney, liver, adipose, lung, thymus, spleen, prostate, etc...
January 13, 2018: IUBMB Life
https://www.readbyqxmd.com/read/29330461/comparing-olive-oil-and-c4-dietary-oil-a-prodrug-for-the-gpr119-agonist-2-oleoyl-glycerol-less-energy-intake-of-the-latter-is-needed-to-stimulate-incretin-hormone-secretion-in-overweight-subjects-with-type-2-diabetes
#9
Mette Johannsen Mandøe, Katrine Bagge Hansen, Johanne Agerlin Windeløv, Filip Krag Knop, Jens Frederik Rehfeld, Mette Marie Rosenkilde, Jens Juul Holst, Harald Severin Hansen
BACKGROUND/OBJECTIVE: After digestion, dietary triacylglycerol stimulates incretin release in humans, mainly through generation of 2-monoacylglycerol, an agonist for the intestinal G protein-coupled receptor 119 (GPR119). Enhanced incretin release may have beneficial metabolic effects. However, dietary fat may promote weight gain and should therefore be restricted in obesity. We designed C4-dietary oil (1,3-di-butyryl-2-oleoyl glycerol) as a 2-oleoyl glycerol (2-OG)-generating fat type, which would stimulate incretin release to the same extent while providing less calories than equimolar amounts of common triglycerides, e...
January 12, 2018: Nutrition & Diabetes
https://www.readbyqxmd.com/read/29330364/polypharmacy-through-phage-display-selection-of-glucagon-and-glp-1-receptor-co-agonists-from-a-phage-displayed-peptide-library
#10
Anna Demartis, Armin Lahm, Licia Tomei, Elisa Beghetto, Valentina Di Biasio, Federica Orvieto, Francesco Frattolillo, Paul E Carrington, Sheena Mumick, Brian Hawes, Elisabetta Bianchi, Anandan Palani, Antonello Pessi
A promising emerging area for the treatment of obesity and diabetes is combinatorial hormone therapy, where single-molecule peptides are rationally designed to integrate the complementary actions of multiple endogenous metabolically-related hormones. We describe here a proof-of-concept study on developing unimolecular polypharmacy agents through the use of selection methods based on phage-displayed peptide libraries (PDL). Co-agonists of the glucagon (GCG) and GLP-1 receptors were identified from a PDL sequentially selected on GCGR- and GLP1R-overexpressing cells...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29328940/first-trimester-serum-biomarkers-to-predict-gestational-diabetes-in-a-high-risk-cohort-striving-for-clinically-useful-thresholds
#11
Siobhan M Corcoran, Natalie Achamallah, John O' Loughlin, Philip Stafford, Pat Dicker, Fergal D Malone, Fionnuala Breathnach
OBJECTIVES: Screening and diagnosis of gestational diabetes (GDM) has been a source of controversy. The prevalence has increased in line with an obesity epidemic and a trend towards delayed child-bearing. Treatment of even modest glycaemic impairment in pregnancy has been shown to be beneficial in preventing its clinical sequalae. However the cumbersome nature and timing of the oral glucose tolerance test coupled with debate around universal versus risk factor based screening have been problematic...
January 1, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29326365/disruption-of-mitochondria-associated-endoplasmic-reticulum-membranes-mams-integrity-contributes-to-muscle-insulin-resistance-in-mice-and-humans
#12
Emily Tubbs, Stéphanie Chanon, Maud Robert, Nadia Bendridi, Gabriel Bidaux, Marie-Agnès Chauvin, Jingwei Ji-Cao, Christine Durand, Daphné Gauvrit-Ramette, Hubert Vidal, Etienne Lefai, Jennifer Rieusset
Modifications of the interactions between endoplasmic reticulum (ER) and mitochondria, defined as mitochondria-associated membranes (MAMs), were recently involved in the control of hepatic insulin action and glucose homeostasis, but with conflicting results. Whereas skeletal muscle is the primary site of insulin-mediated glucose uptake and the main target for alterations in insulin resistant states, the relevance of MAM integrity in muscle insulin resistance is unknown. Deciphering the importance of MAMs on muscle insulin signaling could help to clarify this controversy...
January 11, 2018: Diabetes
https://www.readbyqxmd.com/read/29325023/the-extending-spectrum-of-npc1-related-human-disorders-from-niemann-pick-c1-disease-to-obesity
#13
Amel Lamri, Marie Pigeyre, William S Garver, David Meyre
The Niemann-Pick C1 (NPC1) protein regulates the transport of cholesterol and fatty acids from late endosomes / lysosomes and has a central role in maintaining lipid homeostasis. NPC1 loss-of-function mutations in humans cause NPC1 disease, a rare autosomal-recessive lipid-storage disorder characterized by progressive and lethal neurodegeneration, liver and lung failure, due to cholesterol infiltration. In humans, genome wide association studies (GWAS) and post-GWAS reports highlight the implication of common variants in NPC1 in adult-onset obesity, body fat mass, and type 2 diabetes...
January 9, 2018: Endocrine Reviews
https://www.readbyqxmd.com/read/29319835/gastrisk-bypass-fyller-50-%C3%A3-r-fetmaoperationen-som-visade-sig-fungera-mot-diabetes
#14
Per Videhult
Mason performed the first gastric bypass (GBP) for obesity in 1967 after having observed substantial weight loss in patients operated for gastric ulcer.  The weight loss after GBP is 30 % and 2/3 of patients with type II diabetes can stop their medication. Half of the patients can stop medication for hypertension or hyperlipidemia, 75% are cured from reflux and obstructive sleep apnea. GBP prolongs survival especially among diabetics. Restriction and malabsorption is of minor importance for weight loss. The mechanisms underlying weight loss and diabetes remissions are endocrine...
January 9, 2018: Läkartidningen
https://www.readbyqxmd.com/read/29316799/leptin-adiponectin-ratio-in-overweight-patients-gender-differences
#15
Selthofer-Relatić K, Radić R, Stupin A, Šišljagić V, Bošnjak I, Bulj N, Selthofer R, Delić Brkljačić D
OBJECTIVE: Obesity-related atherosclerosis is a systemic disease with a background connected to multiple metabolic-neurohumoral pathways. The leptin/adiponectin ratio has been suggested as an atherosclerotic marker in obese patients. The aim of this study was to assess (1) the significance of the L/A ratio in overweight subjects, (2) the relation with anthropometric/metabolic parameters and (3) gender difference. METHOD: The study included 80 adult males and females, overweight, non-diabetic patients...
January 1, 2018: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/29312586/glucose-impairs-tamoxifen-responsiveness-modulating-connective-tissue-growth-factor-in-breast-cancer-cells
#16
Maria Rosaria Ambrosio, Vittoria D'Esposito, Valerio Costa, Domenico Liguoro, Francesca Collina, Monica Cantile, Nella Prevete, Carmela Passaro, Giusy Mosca, Michelino De Laurentiis, Maurizio Di Bonito, Gerardo Botti, Renato Franco, Francesco Beguinot, Alfredo Ciccodicola, Pietro Formisano
Type 2 diabetes and obesity are negative prognostic factors in patients with breast cancer (BC). We found that sensitivity to tamoxifen was reduced by 2-fold by 25 mM glucose (High Glucose; HG) compared to 5.5 mM glucose (Low Glucose; LG) in MCF7 BC cells. Shifting from HG to LG ameliorated MCF7 cell responsiveness to tamoxifen. RNA-Sequencing of MCF7 BC cells revealed that cell cycle-related genes were mainly affected by glucose. Connective Tissue Growth Factor (CTGF) was identified as a glucose-induced modulator of cell sensitivity to tamoxifen...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29311617/scfas-strongly-stimulate-pyy-production-in-human-enteroendocrine-cells
#17
P Larraufie, C Martin-Gallausiaux, N Lapaque, J Dore, F M Gribble, F Reimann, H M Blottiere
Peptide-YY (PYY) and Glucagon-Like Peptide-1 (GLP-1) play important roles in the regulation of food intake and insulin secretion, and are of translational interest in the field of obesity and diabetes. PYY production is highest in enteroendocrine cells located in the distal intestine, mirroring the sites where high concentrations of short chain fatty acids (SCFAs) are produced by gut microbiota. We show here that propionate and butyrate strongly increased expression of PYY but not GCG in human cell line and intestinal primary culture models...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29307107/upregulation-of-ghrelin-gene-expression-in-the-excluded-stomach-of-obese-women-with-type-2-diabetes-after-roux-en-y-gastric-bypass-in-the-surmetagit-study
#18
Danielle Cristina Fonseca, Priscila Sala, Joelle Singer, Pierre Singer, Raquel Susana Torrinhas, Dan Linetzky Waitzberg
BACKGROUND: Mechanisms of type 2 diabetes remission (T2Dr) after Roux-en-Y gastric bypass (RYGB) in obese patients appear to involve gastrointestinal hormones. OBJECTIVE: The objective of this study is to explore changes in ghrelin plasma levels and ghrelin gastrointestinal gene expression (GHRL) after RYGB, and their relationships to T2Dr. SETTING: In 20 obese women with T2D, before and 3 months after RYGB, we assessed GHRL expression by microarray and quantitative RT-PCR in gastrointestinal biopsy samples and plasma levels of ghrelin...
January 6, 2018: Obesity Surgery
https://www.readbyqxmd.com/read/29306458/impact-of-subclinical-hypothyroidism-on-clinical-outcomes-following-percutaneous-coronary-intervention
#19
Yonggu Lee, Young-Hyo Lim, Jeong-Hun Shin, Jinkyu Park, Jinho Shin
BACKGROUND: Similar to overt hypothyroidism, subclinical hypothyroidism (SCH) has been reported to increase the risk of cardiovascular disease. However, the influence of SCH on clinical outcomes following percutaneous coronary intervention (PCI) remains unclear. METHODS: We performed a prospective cohort study. SCH was defined as a thyroid-stimulating hormone (TSH) level ≥4.5mIU/l and a normal level of free thyroxine (FT4). A composite event was defined as the combination of cardiac death, non-fatal myocardial infarction (MI) and repeat revascularization...
February 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29303605/neonatal-hypoglycemia-early-onset-diabetes-and-hypopituitarism-due-to-the-mutation-in-eif2s3-gene-causing-mehmo-syndrome
#20
J Stanik, M Skopkova, D Stanikova, K Brennerova, L Barak, L Ticha, J Hornova, I Klimes, D Gasperikova
Recently, the genetic cause of several syndromic forms of glycemia dysregulation has been described. One of them, MEHMO syndrome, is a rare X-linked syndrome recently linked to the EIF2S3 gene mutations. MEHMO is characterized by Mental retardation, Epilepsy, Hypogonadism/hypogenitalism, Microcephaly, and Obesity. Moreover, patients with MEHMO had also diabetes and endocrine phenotype, but detailed information is missing. We aimed to provide more details on the endocrine phenotype in two previously reported male probands with MEHMO carrying a frame-shift mutation (I465fs) in the EIF2S3 gene...
January 5, 2018: Physiological Research
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