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leptin, obesity, children

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https://www.readbyqxmd.com/read/29045048/relationship-of-circulating-spexin-with-markers-of-cardiovascular-disease-a-pilot-study-in-adolescents-with-obesity
#1
S Kumar, M J Hossain, A Javed, I J Kullo, P B Balagopal
PURPOSE: Spexin, a novel peptide, has potential implications in obesity, satiety and energy homeostasis. The current study examined the relationship of spexin with various biomarkers of cardiovascular disease and endothelial function in adolescents with obesity. METHODS: Nineteen adolescents with obesity (age, 15.8 ± 1.7 years) were studied. Spexin, leptin and various cardiovascular disease biomarkers were measured. Endothelial function was assessed by high-resolution Doppler ultrasonography of the right brachial artery...
October 18, 2017: Pediatric Obesity
https://www.readbyqxmd.com/read/29040067/early-onset-severe-obesity-due-to-complete-deletion-of-the-leptin-gene-in-a-boy
#2
Elif Ozsu, Serdar Ceylaner, Huseyin Onay
BACKGROUND: Monogenic obesity results from single gene mutations. Extreme obesity starting at an early age, especially in infancy, which is associated with endocrinopathy and metabolic disturbances is key to the diagnosis of monogenic obesity. CASE PRESENTATION: A 6-month-old boy was admitted to our clinic with severe obesity and food craving. He was born with a birth weight of 3400 g to first-cousin parents. He started to gain weight at an abnormal rate at the age of 2 months...
October 17, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29027597/lipoprotein-associated-phospholipase-a2-activity-in-obese-adolescents-with-and-without-type-2-diabetes
#3
Julia Seyfarth, Thomas Reinehr, Annika Hoyer, Christina Reinauer, Christina Bächle, Beate Karges, Ertan Mayatepek, Michael Roden, Sabine E Hofer, Susanna Wiegand, Joachim Woelfle, Wieland Kiess, Joachim Rosenbauer, Reinhard W Holl, Thomas Meissner
Lipoprotein-associated phospholipase A2 (Lp-PLA2) was identified as a strong predictor for cardiovascular events. Furthermore, it is highly associated with obesity. The role of Lp-PLA2 in diabetes mellitus is controversial and analyses, especially in adolescents with type 2 diabetes (T2D), are missing. Therefore, we compared Lp-PLA2 activity between two obese age-, sex-, and BMI-matched cohorts of adolescents with and without T2D. Relationships between Lp-PLA2 activity and age, BMI, hemoglobin A1c, lipids, and adipokines were evaluated...
October 13, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28974763/maternal-gestational-diabetes-mellitus-increases-placental-and-foetal-lipoprotein-associated-phospholipase-a2-which-might-exert-protective-functions-against-oxidative-stress
#4
Carolin Schliefsteiner, Birgit Hirschmugl, Susanne Kopp, Sanja Curcic, Eva Maria Bernhart, Gunther Marsche, Uwe Lang, Gernot Desoye, Christian Wadsack
Increased Lipoprotein associated phospholipase A2 (LpPLA2) has been associated with inflammatory pathologies, including Type 2 Diabetes. Studies on LpPLA2 and Gestational Diabetes Mellitus (GDM) are rare, and have focused mostly on maternal outcome. In the present study, we investigated whether LpPLA2 activity on foetal lipoproteins is altered by maternal GDM and/or obesity (a major risk factor for GDM), thereby contributing to changes in lipoprotein functionality. We identified HDL as the major carrier of LpPLA2 activity in the foetus, which is in contrast to adults...
October 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28952460/serum-and-exhaled-breath-condensate-leptin-levels-in-asthmatic-and-obesity-children-a-pilot-study
#5
A Bodini, L Tenero, M Sandri, C Maffeis, M Piazza, L Zanoni, D Peroni, A Boner, G Piacentini
BACKGROUND: Recent studies have highlighted the possible involvement of leptin in inflammation. The leptin receptor is also expressed by alveolar macrophages, T lymphocytes and bronchial epitelial cells, suggesting a possible role in the cascade of airway inflammation. OBJECTIVES: The aim of the study was to evaluate the levels of leptin in exhaled breath condensate (EBC) from asthmatic, normal- and overweight children, in relationship with airway inflammation. METHODS: 15 asthmatic non-obese children, 15 healthy non-asthmatic non-obese children, 11 obese children with asthma (OA) and 20 obese children without asthma (ONA) were enrolled...
September 27, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28904569/serum-insulin-and-leptin-levels-in-children-with-epilepsy-on-valproate-associated-obesity
#6
Talha Rehman, Deepak Sachan, Anubhuti Chitkara
BACKGROUND: Weight gain is a common adverse effect of sodium valproic acid (VPA) in children with epilepsy. Several mechanisms of VPA-induced obesity have been suggested such as increased appetite, facultative thermogenesis, and elevated insulin and leptin levels. In this study, we aimed to investigate the role of Insulin and Leptin in the pathogenesis of weight gain caused by VPA. MATERIALS AND METHODS: Body mass index (BMI) was calculated, and serum insulin and leptin levels were measured in 45 consecutive patients and 45 controls...
April 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28900314/evaluation-of-metabolic-syndrome-and-related-factors-in-children-affected-by-acute-lymphoblastic-leukemia
#7
Soheila Zareifar, Sezaneh Haghpanah, Eslam Shorafa, Nader Shakibazad, Zohreh Karamizadeh
INTRODUCTION: Obesity is among the medical problems in survivors of childhood acute lymphoblastic leukemia (ALL). These patients are at risk of metabolic syndrome (MS). The present study aimed to follow the patients with ALL regarding the incidence of MS. PATIENTS AND METHODS: This study was conducted on all patients who referred to the oncology clinic from July 2012 to July 2013. The exclusion criteria of the study were ALL relapse, secondary malignancy, hypothyroidism, Down syndrome, and below 2 years of age...
April 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28899889/neck-circumference-and-clustered-cardiovascular-risk-factors-in-children-and-adolescents-cross-sectional-study
#8
José Castro-Piñero, Alvaro Delgado-Alfonso, Luis Gracia-Marco, Sonia Gómez-Martínez, Irene Esteban-Cornejo, Oscar L Veiga, Ascensión Marcos, Víctor Segura-Jiménez
OBJECTIVE: Early detection of cardiovascular disease (CVD) risk factors, such as obesity, is crucial to prevent adverse long-term effects on individuals' health. Therefore, the aims were: (1) to explore the robustness of neck circumference (NC) as a predictor of CVD and examine its association with numerous anthropometric and body composition indices and (2) to release sex and age-specific NC cut-off values to classify youths as overweight/obese. DESIGN: Cross-sectional study...
September 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28893745/a-new-risk-locus-in-chchd5-for-hypertension-and-obesity-in-a-chinese-child-population-a-cohort-study
#9
Lijun Wu, Liwang Gao, Xiaoyuan Zhao, Meixian Zhang, Jianxin Wu, Jie Mi
OBJECTIVE: Coiled-coil-helix-coiled-coil-helix domain containing 5 (CHCHD5), a mitochondrial protein, is involved in the oxidative folding process in the mitochondrial intermembrane space. A previous study identified a hypertension-related single nucleotide polymorphism (SNP), rs3748024, in CHCHD5 in adults, but there are no reports regarding the association between CHCHD5 and obesity, which is a known risk factor for hypertension. The aim of the present study is to investigate the associations of the SNP rs3748024 with hypertension and obesity...
September 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28860773/can-melatonin-prevent-or-improve-metabolic-side-effects-during-antipsychotic-treatments
#10
Maria-Cristina Porfirio, Juliana Paula Gomes de Almeida, Maddalena Stornelli, Silvia Giovinazzo, Diane Purper-Ouakil, Gabriele Masi
In the last two decades, second-generation antipsychotics (SGAs) were more frequently used than typical antipsychotics for treating both psychotic and nonpsychotic psychiatric disorders in both children and adolescents, because of their lower risk of adverse neurological effects, that is, extrapyramidal symptoms. Recent studies have pointed out their effect on weight gain and increased visceral adiposity as they induce metabolic syndrome. Patients receiving SGAs often need to be treated with other substances to counteract metabolic side effects...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28845626/obesity-in-survivors-of-childhood-cancer-a-review
#11
Julia Ferrari Carneiro Teixeira, Priscila Dos Santos Maia-Lemos, Mônica Dos Santos Cypriano, Luciana Pellegrini Pisani
Obesity is a late effect of antineoplastic treatment in childhood cancer survivors and this correlates with chronic complications. This review examines the data currently available to health professionals, for increasing awareness and identifying strategies to address the treatment and prevention of late effects. The mechanism involved in the pathophysiology of obesity remains unclear. However, damage to the hypothalamus and endocrine disorders (e.g. insulin and leptin resistance) and a positive energetic balance may play a role in increasing obesity rates...
September 2017: Pediatric Endocrinology Reviews: PER
https://www.readbyqxmd.com/read/28818457/relationship-between-sleep-duration-and-childhood-obesity-systematic-review-including-the-potential-underlying-mechanisms
#12
REVIEW
R Felső, S Lohner, K Hollódy, É Erhardt, D Molnár
AIM: The prevalence of obesity is continually increasing worldwide. Determining risk factors for obesity may facilitate effective preventive programs. The present review focuses on sleep duration as a potential risk factor for childhood obesity. The aim is to summarize the evidence on the association of sleep duration and obesity and to discuss the underlying potential physiological and/or pathophysiological mechanisms. DATA SYNTHESIS: The Ovid MEDLINE, Scopus and Cochrane Central Register of Controlled Trials (CENTRAL) databases were searched for papers using text words with appropriate truncation and relevant indexing terms...
September 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28774733/current-child-but-not-maternal-snoring-is-bi-directionally-related-to-adiposity-and-cardiometabolic-risk-markers-a-cross-sectional-and-a-prospective-cohort-analysis
#13
Olivia M Farr, Sheryl L Rifas-Shiman, Emily Oken, Elsie M Taveras, Christos S Mantzoros
PURPOSE: Obstructive sleep apnea (OSA), typically manifested as snoring, is closely associated with obesity. However, the directionality of associations of OSA with cardiometabolic risk markers is unclear, as obesity increases risk for OSA, and OSA results in excess weight gain and its metabolic consequences. Less is known about how obesity and OSA may relate in children and adolescents and whether maternal OSA may influence the development of obesity and cardiometabolic dysfunction in offspring...
November 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28771179/leptin-receptor-gene-variant-rs11804091-is-associated-with-bmi-and-insulin-resistance-in-spanish-female-obese-children-a-case-control-study
#14
Josune Olza, Azahara I Rupérez, Mercedes Gil-Campos, Rosaura Leis, Ramón Cañete, Rafael Tojo, Ángel Gil, Concepción M Aguilera
Leptin is an endocrine hormone that has a critical role in body weight homoeostasis and mediates its effects via the leptin receptor (LEPR). Common polymorphisms in the genes coding leptin receptors have been associated with metabolic abnormalities. We assessed the association of 28 LEPR polymorphisms with body mass index (BMI) and their relationship with obesity-related phenotypes, inflammation and cardiovascular disease risk biomarkers. A multicentre case-control study was conducted in 522 children (286 with obesity and 236 with normal-BMI)...
August 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28759403/metformin-for-obesity-in-prepubertal-and-pubertal-children-a-randomized-controlled-trial
#15
RANDOMIZED CONTROLLED TRIAL
Belén Pastor-Villaescusa, M Dolores Cañete, Javier Caballero-Villarraso, Raúl Hoyos, Miriam Latorre, Rocío Vázquez-Cobela, Julio Plaza-Díaz, José Maldonado, Gloria Bueno, Rosaura Leis, Ángel Gil, Ramón Cañete, Concepción M Aguilera
OBJECTIVES: Metformin has shown its effectiveness in treating obesity in adults. However, little research has been conducted in children, with a lack of attention on pubertal status. The objectives were to determine whether oral metformin treatment reduces BMI z score, cardiovascular risk, and inflammation biomarkers in children who are obese depending on pubertal stage and sex. METHODS: This was a randomized, prospective, double-blind, placebo-controlled, multicenter trial, stratified according to pubertal stage and sex, conducted at 4 Spanish clinical hospitals...
July 2017: Pediatrics
https://www.readbyqxmd.com/read/28758166/a-coconut-oil-rich-meal-does-not-enhance-thermogenesis-compared-to-corn-oil-in-a-randomized-trial-in-obese-adolescents
#16
Janna LaBarrie, Marie-Pierre St-Onge
BACKGROUND: Consumption of medium chain triglycerides (MCT) in overweight adults increases thermogenesis and improves weight management. Coconut oil is a rich natural source of MCT, but its thermogenic effect is unknown. Our study evaluated the effects of a test oil enriched in coconut oil, on energy expenditure, satiety, and metabolic markers in a randomized, double blind, cross-over study. METHODS AND FINDINGS: Fifteen children, age 13-18 years, body mass index >85th percentile for age and sex, were enrolled...
2017: Insights Nutr Metab
https://www.readbyqxmd.com/read/28749784/concentrations-of-leptin-adiponectin-and-other-metabolic-parameters-in-non-obese-children-with-down-syndrome
#17
Nikhil Tenneti, Devi Dayal, Sheetal Sharda, Inusha Panigrahi, Mohammed Didi, Savita Verma Attri, Naresh Sachdeva, Anil Kumar Bhalla
BACKGROUND: Recent data indicates that adults with Down syndrome (DS) are at increased risk for cardiovascular disease (CVD) that significantly contributes to their morbidity and mortality. Although identification of cardiometabolic risk factors during childhood is desirable to design preventive interventions, the data on such risk factors in children with DS is scarce. The aim of this study was to study the cardiometabolic risk factors such as insulin resistance (IR), leptin and adiponectin concentrations, lipid abnormalities and leptin resistance in non-obese children with DS...
August 28, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28749394/serum-levels-of-soluble-urokinase-plasminogen-activator-receptor-as-a-new-inflammatory-marker-in-adolescent-obesity
#18
Ummugulsum Can, Muammer Buyukinan, Fatma Humeyra Yerlikaya
BACKGROUND & OBJECTIVES: Obesity is known for low-grade inflammatory state with enhanced production of inflammatory mediators in children and adolescents. Soluble urokinase plasminogen activator receptor (suPAR) can be generated as a pro-inflammatory marker. This study was conducted to evaluate the role of suPAR, and its association with leptin, adiponectin, interleukin-6 (IL-6), high-sensitive C-reactive protein (hsCRP) and fibrinogen in adolescent obesity. METHODS: A total of 98 participants, 55 obese individuals and 43 healthy controls, aged between 10 and 17 yr, were included in the study...
March 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28743192/searching-for-evidence-of-an-anti-inflammatory-diet-in-children-a-systematic-review-of-randomized-controlled-trials-for-pediatric-obesity-interventions-with-a-focus-on-leptin-ghrelin-and-adiponectin
#19
Kimberly A Lewis, Sharon A Brown
PROBLEM: To address the complex phenomenon of pediatric obesity, one must understand the physiological mechanisms regulating energy intake and inflammation. The peptide hormones leptin, ghrelin, and adiponectin are involved in both, but their functions are dysregulated in obesity. The purpose of this systematic review is (1) to characterize studies of nutrition interventions for weight management in children who measure these peptides as outcomes, (2) to assess risk of bias in the studies, and (3) to determine the relationships between these peptides and body mass index (BMI)...
January 1, 2017: Biological Research for Nursing
https://www.readbyqxmd.com/read/28728946/serum-galectin-1-levels-are-positively-correlated-with-body-fat-and-negatively-with-fasting-glucose-in-obese-children
#20
Sezer Acar, Ahu Paketçi, Tuncay Küme, Hale Tuhan, Özlem Gürsoy Çalan, Korcan Demir, Ece Böber, Ayhan Abacı
Galectin-1, a recently identified peptide, is primarily released from the adipose tissue. Although galectin-1 was shown to have an anti-inflammatory effect, its specific function is not clearly understood. We aimed to evaluate the relationship of serum galectin-1 levels with clinical and laboratory parameters in childhood obesity. A total of 45 obese children (mean age: 12.1±3.1years) and 35 normal-weight children (mean age: 11.8±2.2years) were enrolled. Clinical [body mass index (BMI), waist circumference (WC), percentage of body fat and blood pressure] and biochemical [glucose, insulin, lipids, galectin-1, high-sensitive C-reactive protein (hsCRP) and leptin levels] parameters were assessed...
July 17, 2017: Peptides
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