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https://www.readbyqxmd.com/read/28646699/insulin-and-the-polycystic-ovary-syndrome
#1
REVIEW
Djuro Macut, Jelica Bjekić-Macut, Dario Rahelić, Mirjana Doknić
Polycystic ovary syndrome (PCOS) is the most prevalent endocrinopathy among women during reproductive age. PCOS is characterised by hyperandrogenaemia, hyperinsulinaemia, and deranged adipokines secretion from the adipose tissue. In addition to the reduced insulin sensitivity, PCOS women exhibit β-cell dysfunction as well. Low birth weight and foetal exposure to androgens may contribute to the development of the PCOS phenotype during life. Further metabolic complications lead to dyslipidaemia, worsening obesity and glucose tolerance, high prevalence of metabolic syndrome, and greater susceptibility to diabetes...
June 12, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28646476/the-relationship-between-circulating-adiponectin-leptin-and-vaspin-with-bone-mineral-density-bmd-arterial-calcification-and-stiffness-a-cross-sectional-study-in-post-menopausal-women
#2
N Tanna, K Patel, A E Moore, D Dulnoan, S Edwards, G Hampson
OBJECTIVE: To explore the relationship between circulating adiponectin, leptin and vaspin with bone mineral density (BMD), arterial stiffness and vascular calcification in post-menopausal women. We hypothesised that adipokines produced by adipose tissue may be mediators of bone and cardiovascular disease (CVD) and explain, in part, the observed association between osteoporosis and CVD. DESIGN: We studied 386 ambulant community dwelling postmenopausal women aged (mean [SD] 61 [6...
June 23, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28645653/catalase-overexpression-modulates-metabolic-parameters-in-a-new-stress-less-leptin-deficient-mouse-model
#3
Deborah L Amos, Tanner Robinson, Melissa B Massie, Carla Cook, Alexis Hoffsted, Courtney Crain, Nalini Santanam
Oxidative stress plays a key role in obesity by modifying the function of important biological molecules, thus altering obesogenic pathways such as glucose and lipid signaling. Catalase, is an important endogenous antioxidant enzyme that catabolizes hydrogen peroxide produced by the dismutation of superoxide. Recent studies have shown knockdown of catalase exacerbates insulin resistance and leads to obesity. We hypothesized that overexpressing catalase in an obese mouse will modulate obesogenic pathways and protect against obesity...
June 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28644757/relationships-between-adipokine-profiles-physique-index-and-severity-of-bronchiolitis-in-infancy
#4
Ryou Kawamata, Yuji Gunji, Ayafumi Ozaki, Kei Wakabayashi, Yuka Miyajimaa, Yukifumi Monden, Kei Numazaki, Kazuo Takahashi
INTRODUCTION: Relationships between adipokines, adiposity and severity of acute viral bronchiolitis in infancy have not been elucidated. MATERIALS AND METHODS: We investigated the relationships between three serum adipokines (leptin, adiponectin and TNF-α), physique index (Kaup index) and clinical severity in 13 bronchiolitis infants. Seven healthy infants were enrolled as the control group. We used Modified Pulmonary Index Score (MPIS) to evaluate bronchiolitis severity...
June 23, 2017: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/28643028/polycystic-ovary-syndrome-adipose-tissue-and-metabolic-syndrome
#5
REVIEW
Alessandro P Delitala, Giampiero Capobianco, Giuseppe Delitala, Pier Luigi Cherchi, Salvatore Dessole
PURPOSE: Polycystic ovary syndrome (PCOS) is the most common endocrine disorder that affects women of reproductive age and is characterized by ovulatory dysfunction and/or androgen excess or polycystic ovaries. Women with PCOS present a number of systemic symptoms in addition to those related to the reproductive system. It has been associated with functional derangements in adipose tissue, metabolic syndrome, type 2 diabetes, and an increased risk of cardiovascular disease (CVD). METHODS: A detailed literature search on Pubmed was done for articles about PCOS, adipokines, insulin resistance, and metabolic syndrome...
June 22, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28642544/resistin-promotes-the-abnormal-type-i-collagen-phenotype-of-subchondral-bone-in-obese-patients-with-end-stage-hip-osteoarthritis
#6
Ashleigh M Philp, Rebecca L Collier, Liam M Grover, Edward T Davis, Simon W Jones
The purpose of this study was to determine the effect of adiposity on the architecture and composition of hip OA subchondral bone, and to examine the pathological role of adipokines. Femoral heads were collected from normal-weight or over-weight/obese patients with hip OA. Structural parameters of subchondral bone were determined by MicroCT and type I collagen α1/α2 ratio was determined by SDS PAGE and by qRT-PCR in ex-vivo bone explants. The serum concentration of adipokines was determined by Luminex. The effect of resistin on primary OA osteoblasts was determined by analysis of Wnt pathway signal transduction, bone nodule formation, and osteoblast metabolic activity...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28641783/abnormal-levels-of-adipokines-in-adolescent-offspring-of-women-with-type-1-diabetes-results-from-the-epicom-study
#7
Zuzana Lohse, Birgitte Bytoft, Sine Knorr, Tine D Clausen, Rikke Beck Jensen, Henning Beck-Nielsen, Anne Pernille Hermann, Peter Oturai, Jan Frystyk, Peter Damm, Claus H Gravholt, Kurt Højlund, Dorte M Jensen
AIMS/HYPOTHESIS: To investigate long-term consequences of diabetes during pregnancy, we determined adiponectin and leptin levels in adolescents born by women with type 1 diabetic (T1D) or non-diabetic mothers, and determined associations between adiponectin and leptin levels in adolescence and the magnitude of intrauterine hyperglycemia. RESEARCH DESIGN AND METHODS: We measured serum adiponectin and leptin and calculated leptin to adiponectin ratio (LAR) in 271 offspring of T1D women (index offspring) (13-20years), and 297 matched control offspring...
July 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28641765/investigation-of-the-prognostic-value-of-adipokines-in-multiple-sclerosis
#8
Arzu Çoban, Berna Düzel, Erdem Tüzün, Yusuf Tamam
BACKGROUND: Adipokines may be involved in multiple sclerosis (MS) as well as other inflammatory diseases. This study aimed to analyze the value of serum adipokine levels as biomarkers in determining the clinical progression of MS. METHODS: A total of 90 subjects including 40 healthy individuals and 50 MS patients [24 with classical clinical course of MS (C-MS), 26 with benign MS (B-MS)] were recruited for this study. The levels of serum adipokines and inflammatory mediators were measured using immunoassay methods...
July 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28640452/role-of-epicardial-adipose-tissue-in-health-and-disease-a-matter-of-fat
#9
Bénédicte Gaborit, Coralie Sengenes, Patricia Ancel, Alexis Jacquier, Anne Dutour
Epicardial adipose tissue (EAT) is a small but very biologically active ectopic fat depot that surrounds the heart. Given its rapid metabolism, thermogenic capacity, unique transcriptome, secretory profile, and simply measurability, epicardial fat has drawn increasing attention among researchers attempting to elucidate its putative role in health and cardiovascular diseases. The cellular crosstalk between epicardial adipocytes and cells of the vascular wall or myocytes is high and suggests a local role for this tissue...
June 18, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28640446/c1q-tnf-related-protein-3-ctrp3-function-and-regulation
#10
Ying Li, Gary L Wright, Jonathan M Peterson
As the largest endocrine organ, adipose tissue secretes many bioactive molecules that circulate in blood, collectively termed adipokines. Efforts to identify such metabolic regulators have led to the discovery of a family of secreted proteins, designated as C1q tumor necrosis factor (TNF)-related proteins (CTRPs). The CTRP proteins, adiponectin, TNF-alpha, as well as other proteins with the distinct C1q domain are collectively grouped together as the C1q/TNF superfamily. Reflecting profound biological potency, the initial characterization of these adipose tissue-derived CTRP factors finds wide-ranging effects upon metabolism, inflammation, and survival-signaling in multiple tissue types...
June 18, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28640444/impact-of-growth-hormone-on-regulation-of-adipose-tissue
#11
Katie M Troike, Brooke E Henry, Elizabeth A Jensen, Jonathan A Young, Edward O List, John J Kopchick, Darlene E Berryman
Increasing prevalence of obesity and obesity-related conditions worldwide has necessitated a more thorough understanding of adipose tissue (AT) and expanded the scope of research in this field. AT is now understood to be far more complex and dynamic than previously thought, which has also fueled research to reevaluate how hormones, such as growth hormone (GH), alter the tissue. In this review, we will introduce properties of AT important for understanding how GH alters the tissue, such as anatomical location of depots and adipokine output...
June 18, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28639282/adipokines-played-a-limited-role-in-predicting-temporary-growth-differences-between-very-low-birth-weight-infants-with-and-without-bronchopulmonary-dysplasia
#12
A Lehtinen, P Korhonen, E Hyödynmaa, A M Koivisto, T Peltola, M Hämäläinen, E Moilanen, O Tammela
AIMS: This study explored whether growth was poorer among very low birth weight (VLBW) infants with bronchopulmonary dysplasia (BPD) and assessed adipokine levels as predictors of early growth. METHODS: We studied 53 VLBW infants born in Tampere University Hospital up to 12 months of corrected age (CA). The mean age of the 21 infants with BPD and 32 infants without BPD was 29 weeks and the mean weights were 930 (635-1,470) and 1,185 (650-1,470) grams. Growth parameters, macronutrients intake and plasma levels of adipokines were measured...
June 22, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28638788/histone-deacetylases-microrna-and-leptin-crosstalk-in-pancreatic-cancer
#13
REVIEW
Cynthia I Tchio Mantho, Adriana Harbuzariu, Ruben R Gonzalez-Perez
Because pancreatic cancer (PC) historically has had poor prognosis and five year survival rates, it has been intensely investigated. Analysis of PC incidence and biology has shown a link between different risk factors such as smoking, alcoholism, and obesity and disease progression. Important factors affecting PC include the epigenomic changes driven by DNA methylation and histone acetylation, and actions of microRNA inducing oncogenic or tumor suppressor effects. Studies have identified markers whose dysregulation seem to play important roles in PC progression...
June 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28637594/association-of-plasma-dipeptidyl-peptidase-4-activity-with-non-alcoholic-fatty-liver-disease-in-nondiabetic-chinese-population
#14
Tianpeng Zheng, Bo Chen, Liuxue Yang, Xueping Hu, Xiaoxi Zhang, Hongbo Liu, Linyuan Qin
OBJECTIVE: The pathogenesis of non-alcoholic fatty liver disease (NAFLD) is attributed to a "multi-hits hypothesis" involving insulin resistance, oxidative stress and inflammation. Dipeptidyl peptidase-4 (DPP4) was identified as a novel adipokine capable of enhancing the"multi-hits". Hence, we investigated the association between plasma DPP4 activity and NAFLD in nondiabetic Chinese population. DESIGN AND METHODS: We performed a cross-sectional study using data from 1105 subjects (36-79years) in Guilin between 2015 and 2016...
April 27, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28637103/-the-development-of-hepatocellular-carcinoma-in-non-alcoholic-fatty-liver-disease
#15
REVIEW
Oh Sang Kwon, Joon Hwan Kim, Ju Hyun Kim
Non-alcoholic fatty liver disease (NAFLD) may be one of the important causes of cryptogenic hepatocellular carcinoma (HCC). NAFLD-related HCCs (NAFLD-HCCs) have the following clinical features: high body mass index, deranged lipid profiles, diabetes mellitus, hypertension, and metabolic syndrome. Among them, obesity, diabetes mellitus, and high Fe contents in the liver are risk factors of developing HCC in patients with NAFLD. Inflammatory cytokines, adipokines, insulin like growth factor-I, and lipotoxicity are intermingled and may cross react with each other to develop HCC...
June 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28636414/non-dipping-status-and-selected-adipokines-concentration-in-children-with-primary-arterial-hypertension
#16
Agnieszka Jędzura, Piotr Adamczyk, Omar Bjanid, Elżbieta Świętochowska, Dagmara Roszkowska-Bjanid, Anna Baraniecka, Beata Banaszak, Krzysztof Plesiński, Aurelia Morawiec-Knysak, Katarzyna Ziora, Maria Szczepańska
High blood pressure (BP) in children and adolescents is associated with increased risk of persistent hypertension (HT) in adulthood and, consequently, cardiovascular disease and target organ damage. AIM: The values of selected anthropometric parameters and laboratory test results including leptin and apelin concentration were evaluated with regard to averaged values of office BP measurements and 24-hour ABPM. MATERIAL AND METHODS: The study included 55 children: 23-with primary HT and coexisting overweight or obese (HT-OB), 16-with primary HT and normal weight (HT-NW), and 16 healthy children (C)...
June 21, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28635909/-chronic-obstructive-pulmonary-disease-concurrent-with-metabolic-syndrome-pathophysiological-and-clinical-features
#17
A V Budnevsky, E S Ovsyannikov, N B Labzhania
Chronic obstructive pulmonary disease (COPD) still remains a serious public health problem, which is a common cause of disability and death in the able-bodied population. Furthermore, the number of patients with metabolic syndrome (MS) is steadily increasing worldwide. Recently, there is also an increase in the number of patients with COPD concurrent with MS, which is a mutually confounding risk factor for concomitant cardiovascular disease and adversely affects prognosis in these patients. Systemic subclinical inflammation is a common link between COPD and the components of MS...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28632505/obesity-and-prostate-cancer
#18
Marco Bandini, Giorgio Gandaglia, Alberto Briganti
PURPOSE OF REVIEW: To investigate the association between obesity and prostate cancer (PCa). RECENT FINDINGS: Obesity has been proposed to be involved in the pathogenesis of PCa through different biological mechanisms that include deregulation of the insulin axis, sex hormone secretion, adipokines signaling, and oxidative stress. Hypertrophic peritumoral adipocytes may also facilitate the local spread of PCa through the chemo-attraction of tumor cells. Clinical studies demonstrate that obesity might have clinical implications also in disease detection and management...
June 16, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/28632178/an-increased-dietary-supply-of-medium-chain-fatty-acids-during-early-weaning-in-rodents-prevents-excessive-fat-accumulation-in-adulthood
#19
Bert J M van de Heijning, Annemarie Oosting, Diane Kegler, Eline M van der Beek
Medium-chain fatty acids (MCFA) are a directly and readily absorbed source of energy. Exposure early-in-life to increased MCFA levels might affect development and impact (lipid) metabolism later in life. We tested whether an increased MCFA intake early-in-life positively affects adult body composition and metabolic status when challenged by a western-style diet (WSD). Male offspring of C57Bl/6j mice and Wistar rats were fed a control diet (CTRL; 10 w% fat, 14% MCFA) or a medium-chain triglycerides (MCT) diet with 20% MCFA until postnatal (PN) day 42, whereupon animals were fed a WSD (10 w% fat) until PN day 98...
June 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28632169/the-novel-mechanisms-concerning-the-inhibitions-of-palmitate-induced-proinflammatory-factor-releases-and-endogenous-cellular-stress-with-astaxanthin-on-min6-%C3%AE-cells
#20
Atsuko Kitahara, Kazuto Takahashi, Naru Morita, Toshitaka Murashima, Hirohisa Onuma, Yoshikazu Sumitani, Toshiaki Tanaka, Takuma Kondo, Toshio Hosaka, Hitoshi Ishida
Astaxanthin, an antioxidant agent, can protect pancreatic β-cells of db/db mice from glucotoxicity and resolve chronic inflammation in adipose tissue. Nonetheless, the effects of astaxanthin on free-fatty-acid-induced inflammation and cellular stress in β-cells remain to be demonstrated. Meanwhile, palmitate enhances the secretion of pro-inflammatory adipokines monocyte chemoattractant protein-1 (MCP-1) and VEGF120 (vascular endothelial growth factor). We therefore investigated the influence of astaxanthin on palmitate-stimulated MCP-1 and VEGF120 secretion in mouse insulinoma (MIN6) pancreatic β-cells...
June 20, 2017: Marine Drugs
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