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leptin, obesity, children

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https://www.readbyqxmd.com/read/28636414/non-dipping-status-and-selected-adipokines-concentration-in-children-with-primary-arterial-hypertension
#1
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/28588306/metabolomics-allow-the-discrimination-of-the-pathophysiological-relevance-of-hyperinsulinism-in-obese-prepubertal-children
#2
G Á Martos-Moreno, A Mastrangelo, V Barrios, A García, J A Chowen, F J Rupérez, C Barbas, J Argente
BACKGROUND/OBJECTIVES: Insulin resistance (IR) is the cornerstone of the obesity-associated metabolic derangements observed in obese children. Targeted metabolomics was employed to explore the pathophysiological relevance of hyperinsulinemia in childhood obesity in order to identify biomarkers of IR with potential clinical application. SUBJECTS/METHODS: One hundred prepubertal obese children (50 girls/50 boys, 50% IR and 50% non-IR in each group), underwent an oral glucose tolerance test for usual carbohydrate and lipid metabolism determinations...
June 7, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28542631/concordance-of-bioactive-vs-total-immunoreactive-serum-leptin-levels-in-children-with-severe-early-onset-obesity
#3
Juraj Stanik, Jürgen Kratzsch, Kathrin Landgraf, Kathrin Scheuermann, Ulrike Spielau, Ruth Gausche, Daniela Gasperikova, Wieland Kiess, Antje Körner
CONTEXT: Leptin secreted from adipose tissue signals peripheral energy status to the brain. Monogenic leptin deficiency results in severe early onset obesity with hyperphagia. Recently, a similar phenotype of inactivating leptin mutations but with preserved immunoreactivity and hence normal circulating immunoreactive leptin has been reported. OBJECTIVE: We aimed to evaluate the proportion of bioactive leptin serum levels (compared to immunoreactive leptin) as a biomarker for the screening of leptin gene mutations causing monogenic obesity...
2017: PloS One
https://www.readbyqxmd.com/read/28511904/analysis-of-the-association-of-leptin-and-adiponectin-concentrations-with-metabolic-syndrome-in-children-results-from-the-idefics-study
#4
A Nappo, E M González-Gil, W Ahrens, K Bammann, N Michels, L A Moreno, Y Kourides, L Iacoviello, S Mårild, A Fraterman, D Molnàr, T Veidebaum, A Siani, P Russo
BACKGROUND AND AIMS: Adipokines may play a role in the pathogenesis of the metabolic syndrome (MetS) in children. We aimed to evaluate the association of leptin, adiponectin, and its ratio (L/A ratio) with the metabolic syndrome (MetS) in a subsample of the IDEFICS (Identification and prevention of Dietary- and lifestyle-induced health EFfects In Children and infantS) cohort. METHODS AND RESULTS: Leptin, adiponectin and MetS parameters were measured in a subsample of 1253 children (3-9...
June 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28509827/leptin-elevation-as-a-risk-factor-for-slipped-capital-femoral-epiphysis-independent-of-obesity-status
#5
Schuyler J Halverson, Tracy Warhoover, Gregory A Mencio, Steven A Lovejoy, Jeffrey E Martus, Jonathan G Schoenecker
BACKGROUND: Slipped capital femoral epiphysis (SCFE) is strongly associated with childhood obesity, yet the prevalence of obesity is orders of magnitude greater than the prevalence of SCFE. Therefore, it is hypothesized that obesity is not, by itself, a sufficient condition for SCFE, but rather one component of a multifactorial process requiring preexisting physeal pathology. Leptin elevation is seen to varying degrees in patients with obesity, and as leptin has been shown to cause physeal pathology similar to the changes seen in SCFE, we propose that leptin may be a factor distinguishing between patients with SCFE and equally obese children without hip abnormalities...
May 17, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28464176/breast-feeding-leptin-adiponectin-ratio-and-metabolic-dysfunction-in-adolescents-with-obesity
#6
Nicole L Mihalopoulos, Brittney M Urban, Julie M Metos, Alfred H Balch, Paul C Young, Kristine C Jordan
OBJECTIVES: Increased adiposity increases leptin and decreases adiponectin concentrations, resulting in an increased leptin:adiponectin ratio (LAR). In adults, components of the metabolic syndrome and other cardiometabolic risk factors, what we classify here as "metabolic dysfunction," are associated with both a high LAR and a history of being breast-fed. The relation among breast-feeding, LAR, and degree of metabolic dysfunction in obese youth is unknown. The purpose of our pilot study was to explore this relation and estimate the effect size of the relations to determine the sample size needed to power future prospective studies...
May 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/28455139/evaluation-of-adenovirus-36-ad-36-antibody-seropositivity-and-adipokine-levels-in-obese-children
#7
Bekir Kocazeybek, Harika Oyku Dinc, Sevgi Ergin, Suat Saribas, Bahar Taskın Ozcabi, Utku Cizmecigil, Eda Altan, Kevser Atalik, Pelin Yüksel, Zeynep Taner, Asiye Karakullukcu, Serhat Sirekbasan, Nuri Turan, Penbe Cagatay, Nergiz Imamova, Olcay Evliyaoglu, Huseyin Yilmaz
Adenovirus 36 (Ad-36) has recently been suggested as a possible contributor to the current obesity epidemic. The aim of this study was to investigate the prevalence of Ad-36 antibodies in obese children, as well as investigate the role of serum leptin and lipid levels in Ad-36-obesity. Seventy-one obese children and 62 non-obese children were included as the patient group (PG), including the healthy control group (HCG), respectively. Simultaneously, Ad-36 antibodies and adipokine levels were assessed with serum neutralization assays (SNA) and ELISA...
July 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28453643/early-onset-obesity-unrecognized-first-evidence-for-gnas-mutations-and-methylation-changes
#8
Annette Grüters-Kieslich, Monica Reyes, Amita Sharma, Cem Demirci, Terry J DeClue, Erwin Lankes, Dov Tiosano, Dirk Schnabel, Harald Jüppner
Context: Early-onset obesity, characteristic for disorders affecting the leptin-melanocortin pathway, is also observed in pseudohypoparathyroidism type Ia (PHP1A), a disorder caused by maternal GNAS mutations that disrupt expression or function of the stimulatory G protein (Gsα). Mutations and/or epigenetic abnormalities at the same genetic locus are also the cause of pseudohypoparathyroidism type Ib (PHP1B). However, although equivalent biochemical and radiographic findings can be encountered in these related disorders caused by GNAS abnormalities they are considered distinct clinical entities...
April 27, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28453173/correlation-analysis-of-serum-obestatin-expression-with-insulin-resistance-in-childhood-obesity
#9
M Y Zhang, F Li, J P Wang
Childhood obesity is a serious public health concern condition, as excess body fat can negatively affect a child's health. Obestatin is a hormone that regulates body weight by suppressing appetite and reducing food intake; fasting obestatin level is negatively correlated with basal insulin level. This study aims to investigate the role of obestatin in insulin resistance. A total of 54 children with simple obesity and 57 healthy controls were recruited. Levels of serum insulin, fasting blood glucose, cholesterol, triglyceride, low-density lipoprotein, and high-density lipoprotein were measured...
April 28, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28329079/sleep-duration-and-cardiometabolic-risk-among-chinese-school-aged-children-do-adipokines-play-a-mediating-role
#10
Lujiao Li, Junling Fu, Xin Ting Yu, Ge Li, Lu Xu, Jinghua Yin, Hong Cheng, Dongqing Hou, Xiaoyuan Zhao, Shan Gao, Wenhui Li, Changhong Li, Struan F A Grant, Mingyao Li, Yi Xiao, Jie Mi, Ming Li
Study Objectives: To assess the associations between sleep duration and cardiometabolic risk factors in Chinese school-aged children and to explore the possible mediating role of adipokines. Methods: Sleep duration was collected in 3166 children from the Beijing Child and Adolescent Metabolic Syndrome study. Glucose homeostasis and other cardiometabolic risk factors were assessed. Serum adipokines including leptin, total and high-molecular-weight (HMW) adiponectin, resistin, fibroblast growth factor 21 (FGF21), and retinol binding protein 4 (RBP4) were determined...
May 1, 2017: Sleep
https://www.readbyqxmd.com/read/28286536/associations-among-osteocalcin-leptin-and-metabolic-health-in-children-ages-9-13-years-in-the-united-states
#11
Kelly Virecoulon Giudici, Joseph M Kindler, Berdine R Martin, Emma M Laing, George P McCabe, Linda D McCabe, Dorothy B Hausman, Lígia Araújo Martini, Richard D Lewis, Connie M Weaver, Munro Peacock, Kathleen M Hill Gallant
BACKGROUND: This study aimed to investigate the relationships among osteocalcin, leptin and metabolic health outcomes in children ages 9-13 years. METHODS: This was a cross-sectional analysis of baseline data from 161 boys and 157 girls (ages 9-13 years) who previously participated in a double-blinded randomized placebo controlled trial of vitamin D supplementation. Relationships among fasting serum total osteocalcin (tOC), undercarboxylated osteocalcin (ucOC), leptin, and metabolic health outcomes were analyzed...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28278160/hyperleptinemia-in-children-with-autosomal-recessive-spinal-muscular-atrophy-type-i-iii
#12
Heike Kölbel, Berthold P Hauffa, Stefan A Wudy, Anastasios Bouikidis, Adela Della Marina, Ulrike Schara
BACKGROUND: Autosomal-recessive proximal spinal muscular atrophies (SMA) are disorders characterized by a ubiquitous deficiency of the survival of motor neuron protein that leads to a multisystemic disorder, which mostly affects alpha motor neurons. Disease progression is clinically associated with failure to thrive or weight loss, mainly caused by chewing and swallowing difficulties. Although pancreatic involvement has been described in animal models, systematic endocrinological evaluation of the energy metabolism in humans is lacking...
2017: PloS One
https://www.readbyqxmd.com/read/28274232/perilipin-polymorphisms-are-risk-factors-for-the-development-of-obesity-in-adolescents-a-case-control-study
#13
Yavuz Tokgöz, Ishak Abdurrahman Işık, Soheil Akbari, Tuncay Kume, Oya Sayın, Esra Erdal, Nur Arslan
BACKGROUND: The variations in perilipin gene (PLIN) were previously associated with obesity. We examined the association of polymorphisms at the PLIN locus in adolescents with obesity and their connection with serum adipokines. METHODS: A total of 308 children (206 obese, 66.8% and 102 healthy control, 33.2%) between the ages of 10-18 years were included into the study. PLIN gene analysis [PLIN 1, PLIN 4, PLIN 6, PLIN 5'UTR-1234 C > G and PLIN 10171 A/T] were studied by Real Time-PCR...
March 9, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28270183/the-link-between-obesity-and-migraine-in-childhood-a-systematic-review
#14
REVIEW
G Farello, P Ferrara, A Antenucci, C Basti, A Verrotti
Obesity and headache are two highly prevalent diseases both in adults and children and they are associated with a strong personal and social impact. Many studies suggest that obesity is comorbid with headache in general, and migraine in particular and obesity seems to be a risk factor for migraine progression and for migraine frequency both in adults and in children. Research shows that there are multiple areas of overlap between migraine pathophysiology and the central and peripheral pathways regulating feeding: inflammatory mediators such as the calcitonin gene-related protein (CGRP), neurotransmitters such as serotonin, peptides such as orexin and adipocytokines such as adiponectin (ADP) and leptin could explain the common pathogenesis...
March 7, 2017: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/28255980/thyroid-dysfunction-in-obese-and-overweight-children
#15
REVIEW
Ewelina Witkowska-Sędek, Anna Kucharska, Małgorzata Rumińska, Beata Pyrżak
Obesity and thyroid function are closely related. Thyroid hormones are involved in the regulation of metabolism, thermogenesis, food intake, and fat oxidation. In obese children the most frequent hormonal abnormalities are slight hyperthyrotropinaemia and moderate increases in total T3 and/or fT3 concentrations. Those abnormalities are usually considered a cause of obesity, but according to recent studies, they should actually be considered an adaptation process aimed at increasing resting energy expenditure and total energy expenditure...
2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28239164/adipocyte-c1qtnf5-expression-is-bmi-dependently-related-to-early-adipose-tissue-dysfunction-and-systemic-ctrp5-serum-levels-in-obese-children
#16
J T Schwartze, K Landgraf, U Spielau, D Rockstroh, D Löffler, J Kratzsch, W Kiess, A Körner
BACKGROUND/OBJECTIVES: The recently identified adipocytokine C1QTNF5 (encodes for CTRP5) has been demonstrated to inhibit pro-metabolic insulin signaling in adipocytes. We hypothesized that adipocyte C1QTNF5 expression in subcutaneous (sc) adipose tissue (AT) would correlate with the degree of obesity, systemic CTRP5 serum levels, and early AT and metabolic dysfunction in children. SUBJECTS/METHODS: Sc AT samples were obtained from 33 healthy Caucasian lean children aged 10...
June 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28226031/evaluation-of-clinical-and-laboratory-markers-of-cardiometabolic-risk-in-overweight-and-obese-children-and-adolescents
#17
Heloísa Marcelina da Cunha Palhares, Adriana Paula da Silva, Daniela Cristina Silva Resende, Gilberto de Araújo Pereira, Virmondes Rodrigues, Maria de Fátima Borges
OBJECTIVE: This study analyzed the frequency of cardiometabolic risk markers and metabolic syndrome occurrence in overweight and obese children and adolescents. METHODS: The participants included 161 overweight (n=65) and obese (n=96) individuals aged between 5 and 19 years. Clinical markers were assessed (body mass index, body fat percentage, waist circumference, acanthosis, systolic and diastolic blood pressures, laboratory parameters [glucose, insulin, cholesterol (total and fractions) and triglyceride levels and homeostasis model assessment of insulin resistance (HOMA-IR) index] and leptin and adiponectin levels)...
January 1, 2017: Clinics
https://www.readbyqxmd.com/read/28215263/sleep-disordered-breathing-systemic-adipokine-secretion-and-metabolic-dysregulation-in-overweight-and-obese-children-and-adolescents
#18
Annelies Van Eyck, Kim Van Hoorenbeeck, Benedicte Y De Winter, Luc Van Gaal, Wilfried De Backer, Stijn L Verhulst
OBJECTIVE: Obstructive sleep apnea (OSA) is common among overweight and obese children, and it is an independent risk factor for developing metabolic syndrome. However, the mechanisms linking OSA and metabolic syndrome are still unclear, but a role for adipose tissue dysfunction caused by intermittent hypoxia has been suggested. Therefore, the goal of this study was to investigate the relationship between OSA and systemic adipokine concentrations in overweight and obese children. METHODS: We included 164 overweight and obese children in a tertiary center and distributed them in groups based on their obstructive apnea-hypopnea index (111 controls, 28 mild OSA, 25 moderate-to-severe OSA)...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28193268/adipokines-insulin-resistance-and-adiposity-as-a-predictors-of-metabolic-syndrome-in-child-survivors-of-lymphoma-and-acute-lymphoblastic-leukemia-of-a-developing-country
#19
Lourdes Barbosa-Cortés, Mardia López-Alarcón, Juan Manuel Mejía-Aranguré, Miguel Klünder-Klünder, María Del Carmen Rodríguez-Zepeda, Hugo Rivera-Márquez, Alan de la Vega-Martínez, Jorge Martin-Trejo, Juan Shum-Luis, Karina Solis-Labastida, Enrique López-Aguilar, Guadalupe Matute-González, Roberto Bernaldez-Rios
BACKGROUND: There is a growing body of evidence indicating that pediatric survivors of cancer are at a greater risk of developing metabolic syndrome. This study evaluated some probable predictors of metabolic syndrome (MS), such as leptin and adiponectin concentrations, the leptin/adiponectin ratio, insulin resistance, and adiposity, in a sample of child survivors of lymphoma and leukemia in Mexico City. METHODS: Fifty two children (leukemia n = 26, lymphoma n = 26), who were within the first 5 years after cessation of therapy, were considered as eligible to participate in the study...
February 13, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28183093/putative-effects-of-obesity-on-linear-growth-and-puberty%C3%A2
#20
Shlomit Shalitin, Wieland Kiess
Childhood obesity is a major public health problem that has grown to epidemic proportions throughout the world. Obesity is influenced by genetic and environmental factors. The nutritional status plays an important role in growth and body weight regulation. Excess adiposity during childhood can affect the process of growth and puberty. Obese children are frequently tall for their age, with accelerated epiphyseal growth plate maturation despite low growth hormone levels. Several regulatory hormones may affect the process of linear growth in the constellation of obesity, as high levels of insulin and leptin are observed in obese children...
February 9, 2017: Hormone Research in Pædiatrics
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