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Leptin and cardiovascular disease

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https://www.readbyqxmd.com/read/29346793/epicardial-fat-thickness-in-non-obese-neurologically-impaired-children-association-with-unfavorable-cardiometabolic-risk-profile
#1
Valeria Calcaterra, Hellas Cena, Pietro Mariano Casali, Gianluca Iacobellis, Riccardo Albertini, Mara De Amici, Annalisa de Silvestri, Calogero Comparato, Gloria Pelizzo
BACKGROUND: Cardiovascular risk is reported in disabled children and epicardial fat (EF) is considered an independent predictor of cardiovascular disease (CVD). No data on the EF thickness (EFT) evaluation in disabled children have been published. OBJECTIVE: We investigated EFT in neurologically impaired (NI) children; its relationship with their metabolic profile was also considered. METHODS: Clinical data, body composition estimation, biochemical profile, and ultrasound-measured EFT were performed in 32 disabled patients (12...
January 18, 2018: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/29331057/manifestations-and-mechanisms-of-myocardial-lipotoxicity-in-obesity
#2
Arthur C Sletten, Linda R Peterson, Jean E Schaffer
Environmental and socioeconomic changes over the past thirty years have contributed to a dramatic rise in the worldwide prevalence of obesity. Heart disease is among the most serious health risks of obesity, with increases in both atherosclerotic coronary heart disease and heart failure among obese individuals. In this review, we focus on primary myocardial alterations in obesity that include hypertrophic remodeling and diastolic dysfunction. Obesity-associated perturbations in myocardial and systemic lipid metabolism are important contributors to cardiovascular complications of obesity...
January 13, 2018: Journal of Internal Medicine
https://www.readbyqxmd.com/read/29316799/leptin-adiponectin-ratio-in-overweight-patients-gender-differences
#3
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/29305337/serum-adiponectin-levels-predict-acute-coronary-syndrome-acs-in-patients-with-severe-carotid-stenosis
#4
Luca Liberale, Federico Carbone, Maria Bertolotto, Aldo Bonaventura, Alessandra Vecchié, François Mach, Fabienne Burger, Aldo Pende, Giovanni Spinella, Bianca Pane, Domenico Palombo, Franco Dallegri, Fabrizio Montecucco
As endocrine organ, adipose tissue may modulate inflammatory response by releasing a wide range of mediators, known as adipocytokines. Due to the complex balance between pro- and anti-inflammatory activity their pathophysiological and prognostic role in cardiovascular (CV) diseases still remains debated. Here, we consider the potential associations of circulating adipocytokines adiponectin, leptin and their ratio (LAR), with metabolic and inflammatory profiles in 217 patients with severe carotid stenosis. A prospective analysis investigating their predictive role toward acute coronary syndromes (ACS) was also drawn over a 12-month follow-up period...
January 2, 2018: Vascular Pharmacology
https://www.readbyqxmd.com/read/29296046/the-association-of-serum-leptin-levels-with-metabolic-diseases
#5
REVIEW
Jen-Pi Tsai
Leptin is a 167-amino-acid protein released by white adipose tissue and encoded by the obese gene. It has a role as a negative regulator of appetite control through sending a satiety signal to act on receptors within the hypothalamus. At normal levels, leptin can exert its effects on weight regulation according to white fat mass, induce sodium excretion, maintain vascular tone, and repair the myocardium. Beyond these effects, elevated serum leptin levels have been implicated in the pathogenesis of metabolic syndrome, diabetes mellitus, hypertension, and multiple cardiovascular diseases...
October 2017: Ci Ji Yi Xue za Zhi, Tzu-chi Medical Journal
https://www.readbyqxmd.com/read/29278852/adipokines-in-neurovascular-diseases
#6
REVIEW
Radka Opatrilova, Martin Caprnda, Peter Kubatka, Vanda Valentova, Sona Uramova, Vladimir Nosal, Ludovit Gaspar, Lukas Zachar, Ioana Mozos, Daniel Petrovic, Jozef Dragasek, Slavomira Filipova, Dietrich Büsselberg, Anthony Zulli, Luis Rodrigo, Peter Kruzliak, Vladimir Krasnik
Adipose tissue is now described as an endocrine organ secreting a number of adipokines contributing to the development of inflammation and metabolic imbalance, but also endothelial dysfunction, vascular remodeling, atherosclerosis, and ischemic stroke. Leptin, adiponectin, and resistin are the most studied adipokines which play important roles in the regulation of cardiovascular homeostasis. Leptin and adiponectin mediate both proatherogenic and antiatherogenic responses. Leptin and adiponectin have been linked to the development of coronary heart disease and may be involved in the underlying biological mechanism of ischemic stroke...
December 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29260581/dietary-phenolic-acids-reverse-insulin-resistance-hyperglycaemia-dyslipidaemia-inflammation-and-oxidative-stress-in-high-fructose-diet-induced-metabolic-syndrome-rats
#7
Oluwayemisi B Ibitoye, Taofeek O Ajiboye
This study investigated the influence of caffeic, ferulic, gallic and protocatechuic acids on high-fructose diet-induced metabolic syndrome in rats. Oral administration of the phenolic acids significantly reversed high-fructose diet-mediated increase in body mass index and blood glucose. Furthermore, phenolic acids restored high-fructose diet-mediated alterations in metabolic hormones (insulin, leptin and adiponectin). Similarly, elevated tumour necrosis factor-α, interleukin-6 and -8 were significantly lowered...
December 20, 2017: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/29250671/correlation-between-leptin-and-ghrelin-expression-in-adipose-visceral-tissue-and-clinical-biological-features-in-malignant-obesity
#8
Gabriel Verdeş, Ciprian Constantin DuŢă, Roxana Popescu, Mihai MituleŢu, Sorin Ursoniu, Octavian Fulger Lazăr
Morbid obesity is a metabolic disease characterized by an excessive accumulation of adipose tissue (=40%). This disorder is commonly associated with cardiovascular disease, arteriosclerosis, type 2 diabetes, hypothyroidism and some types of cancer. The most common metabolic signals associated with the disease are leptin, ghrelin, with antagonic effects. Our study aimed at highlighting leptin and ghrelin expression levels, as well as establishing correlations between them and clinical-biological parameters in obese patients...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29248361/leptin-an-adipokine-with-central-importance-in-the-global-obesity-problem
#9
REVIEW
Jeffrey I Mechanick, Shan Zhao, W Timothy Garvey
Leptin has central importance in the global obesity and cardiovascular disease problem. Leptin is principally secreted by adipocytes and acts in the hypothalamus to suppress appetite and food intake, increase energy expenditure, and regulate body weight. Based on clinical translation of specific and networked actions, leptin affects the cardiovascular system and may be a marker and driver of cardiometabolic risk factors with interventions that are actionable by cardiologists. Leptin subnetwork analysis demonstrates a statistically significant role for ethnoculturally and socioeconomically appropriate lifestyle intervention in cardiovascular disease...
December 13, 2017: Global Heart
https://www.readbyqxmd.com/read/29241755/autoimmune-skin-diseases-and-the-metabolic-syndrome
#10
Begüm Ünlü, Ümit Türsen
The metabolic syndrome represents an important association of cutaneous maladies with cardiovascular illnesses. Chronic inflammation, shared risk factors (ie, smoking and alcohol consumption), treatment (ie, immunosuppressive agents and drugs that alter the lipid profile), and shared genetic risk loci have been proposed to the cause metabolic syndrome and cardiovascular morbidity of autoimmune diseases. There are many possible inflammatory mediators that are suggested to play a role in insulin resistance pathogenesis, such as tumor necrosis factor-α, interleukin-6, leptin, and adiponectin...
January 2018: Clinics in Dermatology
https://www.readbyqxmd.com/read/29236873/lychee-litchi-chinensis-sonn-peel-flour-effects-on-hepatoprotection-and-dyslipidemia-induced-by-a-hypercholesterolemic-diet
#11
Estela R Queiroz, Celeste M P DE Abreu, Denise A Rocha, Raimundo V DE Sousa, Rodrigo M Fráguas, Mariana A Braga, Pedro H S César
Dyslipidemias are associated with the incidence of cardiovascular diseases, obesity, diabetes, hypertension and hepatic steatosis, being the cause of morbidity and mortality. This study investigated the effects of lychee peel flour (PF) on serum levels of total cholesterol (TC), low-density lipoprotein (LDL-c), triacylglycerols (TAG) and various parameters related to obesity, in rats fed a hypercholesterolemic diet. Therefore, 20 male rats were used. In the first 21 days, the animals were fed a hypercholesterolemic diet, except for control group...
December 11, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29229313/emerging-role-of-adipocytokines-in-type-2-diabetes-as-mediators-of-insulin-resistance-and-cardiovascular-disease
#12
REVIEW
Ravindran Jaganathan, Rajeswari Ravindran, Sugapriya Dhanasekaran
Adipose tissue is an enormously active endocrine organ, secreting various hormones, such as adiponectin, leptin, resistin and visfatin, together with classical cytokines, such as tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6). All these adipocytokines plays significant roles in the regulation of energy metabolism, glucose and lipid metabolism, reproduction, cardiovascular function and immunity. Adipocytokines are significantly regulated by nutritional status and can directly influence other organ systems, including brain, liver and skeletal muscle...
December 8, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/29224092/sex-differences-in-leptin-control-of-cardiovascular-function-in-health-and-metabolic-diseases
#13
Eric J Belin de Chantemèle
Leptin, the adipocyte-derived hormone identified in 1994 for its major role in the control of satiety and body weight regulation, is an adipokine secreted in a sex-specific manner. Although it has clearly been established that females secrete three to four times more leptin than males and that this sexual dimorphism in leptin secretion is exacerbated with overweight and obesity, the origin and the physiological consequences of this sexual dimorphism remain ill-defined. The adipose tissue is the major site of leptin secretion; however, leptin receptors are ubiquitously expressed, conferring to leptin, and indirectly to the adipose tissue, a potential role in the control of numerous physiological functions...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29206050/association-between-short-and-long-sleep-durations-and-cardiovascular-outcomes-a-systematic-review-and-meta-analysis
#14
Chayakrit Krittanawong, Anusith Tunhasiriwet, Zhen Wang, HongJu Zhang, Ann M Farrell, Sakkarin Chirapongsathorn, Tao Sun, Takeshi Kitai, Edgar Argulian
BACKGROUND: A shorter sleep duration has been identified as a risk factor for cardiovascular diseases and increased mortality. It has been hypothesized that a short sleep duration may be linked to changes in ghrelin and leptin production, leading to an alteration of stress hormone production. Here, we conducted a systematic review and meta-analysis to investigate the potential relationship between a sleep duration and cardiovascular disease mortality. METHODS: We conducted a comprehensive search of Ovid Medline In-Process and other non-indexed citations, Ovid MEDLINE, Ovid Embase, Ovid Cochrane Central Register of Controlled Trials, and Scopus from database inception to March 2017...
December 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/29205515/yoga-training-modulates-adipokines-in-adults-with-high-normal-blood-pressure-and-metabolic-syndrome
#15
Rashmi Supriya, Angus P Yu, Paul H Lee, Christopher W Lai, Kenneth K Cheng, Sonata Y Yau, Lawrence W Chan, Benjamin Y Yung, Parco M Siu
OBJECTIVES: Metabolic syndrome (MetS) is associated with diabetes mellitus and cardiovascular diseases. Our previous study indicated that people with MetS showed a decrease in waist circumference and a decreasing trend in blood pressure after 1 year of yoga. This study investigated the effect of yoga on MetS people with high-normal blood pressure by exploring modulations in pro-inflammatory adipokines (leptin, chemerin, visfatin and plasminogen activator inhibitor-1 or PAI-1) and an anti-inflammatory adipokine (adiponectin)...
December 5, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29197678/adipokines-inflammation-and-adiposity-in-hematopoietic-cell-transplant-survivors
#16
Tyler G Ketterl, Eric J Chow, Wendy M Leisenring, Pam Goodman, Ildi H Koves, Anna Petryk, Julia Steinberger, K Scott Baker
Adult survivors of acute leukemia in childhood have a higher than expected frequency of obesity, an increased risk for metabolic syndrome and early mortality from cardiovascular disease (CVD). Adipose tissue has been recognized as an endocrine and paracrine organ that secretes various adipokines involved in metabolic regulation and inflammatory processes. Examine inflammatory factors [IL-6 and TNF-] and adipokines (adiponectin, leptin) in addition to body composition and adiposity in cancer survivors who underwent hematopoietic cell transplantation (HCT) during childhood in comparison to sibling controls...
November 29, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29190710/the-association-between-depressive-symptoms-and-insulin-resistance-inflammation-and-adiposity-in-men-and-women
#17
M'Balu Webb, Melanie Davies, Nuzhat Ashra, Danielle Bodicoat, Emer Brady, David Webb, Calum Moulton, Khalida Ismail, Kamlesh Khunti
INTRODUCTION: Depression has been shown to be associated with elevated leptin levels, low-grade inflammation and insulin resistance. These derangements are often measured in mixed gender cohorts despite the different body compositions and hormonal environments of men and women and gender-specific prevalence and responses to depression. METHODS: A cross-sectional analysis was carried out on a cohort of 639 participants from the ADDITION-Leicester dataset to assess differences in markers of diabetes risk, cardiovascular risk and inflammation in depressed and non-depressed individuals...
2017: PloS One
https://www.readbyqxmd.com/read/29187850/effect-of-roux-en-y-bariatric-surgery-on-lipoproteins-insulin-resistance-and-systemic-and-vascular-inflammation-in-obesity-and-diabetes
#18
Rahul Yadav, Salam Hama, Yifen Liu, Tarza Siahmansur, Jonathan Schofield, Akheel A Syed, Michael France, Philip Pemberton, Safwaan Adam, Jan Hoong Ho, Reza Aghamohammadzadeh, Shaishav Dhage, Rachelle Donn, Rayaz A Malik, John P New, Maria Jeziorska, Paul Durrington, Basil A Ammori, Handrean Soran
Purpose: Obesity is a major modifiable risk factor for cardiovascular disease. Bariatric surgery is considered to be the most effective treatment option for weight reduction in obese patients with and without type 2 diabetes (T2DM). Objective: To evaluate changes in lipoproteins, insulin resistance, mediators of systemic and vascular inflammation, and endothelial dysfunction following Roux-en-Y bariatric surgery in obese patients with and without diabetes. Materials and methods: Lipoproteins, insulin resistance, mediators of systemic and vascular inflammation, and endothelial dysfunction were measured in 37 obese patients with (n = 17) and without (n = 20) T2DM, before and 6 and 12 months after Roux-en-Y bariatric surgery...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29180005/leisure-time-physical-activity-across-adulthood-and-biomarkers-of-cardiovascular-disease-at-age-60-64-a-prospective-cohort-study
#19
Ahmed Elhakeem, Emily T Murray, Rachel Cooper, Diana Kuh, Peter Whincup, Rebecca Hardy
BACKGROUND AND AIMS: This study examined associations between leisure-time physical activity (LTPA) across adulthood (from age 36) and cardiovascular disease (CVD) biomarkers at age 60-64. METHODS: LTPA was reported by study participants from the MRC National Survey of Health and Development at ages 36, 43, 53 and 60-64 (n = 1754) and categorised as inactive, moderately active (1-4/month) or most active (5+/month) at each age. Linear regression was used to examine associations between a cumulative adulthood LTPA score (range = 0-8), and change in LTPA between ages 36 and 60-64 (i...
November 20, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29179226/leptin-and-its-relation-to-autonomic-activity-endothelial-cell-activation-and-blood-pressure-in-a-young-black-and-white-population-the-african-predict-study
#20
Blessing O Ahiante, Wayne Smith, Leandi Lammertyn, Aletta E Schutte
An increasing prevalence of obesity-related hypertension is observed in the youth and may have severe consequences for future cardiovascular disease development. Previous studies portrayed leptin as a potential factor involved in obesity-related hypertension development. In order to understand leptin's contributions to early cardiovascular deterioration, we investigated leptin and its associations with measures of autonomic activity, endothelial activation, and blood pressure in young healthy black and white men and women...
November 27, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
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