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Adiponectin, obstructive sleep apnea

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https://www.readbyqxmd.com/read/28341925/relationship-between-serum-adiponectin-and-bone-mineral-density-in-male-patients-with-obstructive-sleep-apnea-syndrome
#1
Dong-Dong Chen, Jie-Feng Huang, Qi-Chang Lin, Gong-Ping Chen, Jian-Ming Zhao
PURPOSE: Obstructive sleep apnea syndrome (OSAS) is reported to have an association with bone mineral density (BMD). However, the underlying mechanism is far from clear. The aim of this study was to investigate the relationship between OSAS, bone turnover markers, and BMD and to evaluate the effect of adiponectin on BMD in patients with OSAS. METHODS: Seventy-one male patients with OSAS and 13 male control subjects were enrolled in this study. Serum adiponectin, calcium, phosphorus, 25-hydroxyvitamin-D3, β-isomerized form C-terminal telopeptide of type I collagen, osteocalcin, and procollagen type 1 N-propeptide were measured in all subjects, and BMD was evaluated by dual-energy X-ray absorptiometry (DEXA) in the lumbar spine (L1-L4), the femoral neck, and the hip total...
March 25, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28327146/association-between-obstructive-sleep-apnea-severity-and-endothelial-dysfunction-in-patients-with-type-2-diabetes
#2
Vanessa Bironneau, François Goupil, Pierre Henri Ducluzeau, Marc Le Vaillant, Pierre Abraham, Samir Henni, Séverine Dubois, Audrey Paris, Pascaline Priou, Nicole Meslier, Claire Sanguin, Wojciech Trzépizur, Ramaroson Andriantsitohaina, Maria Carmen Martinez, Frédéric Gagnadoux
BACKGROUND: Obstructive sleep apnea (OSA) and type 2 diabetes (T2D) are associated with endothelial dysfunction a main predictor of late cardiovascular (CV) events. Despite the high prevalence of OSA in patients with T2D, the impact of OSA severity on endothelial function has not been clearly elucidated. The aim of this cross-sectional study was to determine whether increasing OSA severity is associated with poorer endothelial function in patients with T2D. METHODS: 140 patients with T2D and no overt CV disease underwent polysomnography, peripheral arterial tonometry, clinic blood pressure (BP) measurement, biological assessment for CV risk factors, daytime sleepiness and health related quality of life (HRQL) questionnaires...
March 21, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28283920/impact-of-bariatric-surgery-on-heme-oxygenase-1-inflammation-and-insulin-resistance-in-morbid-obesity-with-obstructive-sleep-apnea
#3
Raquel Tirado, Maria José Masdeu, Laura Vigil, Mercedes Rigla, Alexis Luna, Pere Rebasa, Rocío Pareja, Marta Hurtado, Assumpta Caixàs
INTRODUCTION: Morbid obesity and obstructive sleep apnea (OSA) interact at an inflammatory level. Bariatric surgery reduces inflammatory responses associated with obesity. Heme oxygenase-1 (HO-1) is an enzyme with anti-inflammatory properties, which might be increased in morbid obesity or OSA. We studied morbidly obese patients with OSA to determine: (a) HO-1 plasma concentrations according to OSA severity and their relationship with insulin resistance and inflammation and (b) the impact of bariatric surgery on HO-1 and parameters of insulin resistance and inflammation...
March 10, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28215263/sleep-disordered-breathing-systemic-adipokine-secretion-and-metabolic-dysregulation-in-overweight-and-obese-children-and-adolescents
#4
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/28068661/single-nucleotide-polymorphisms-in-adiponectin-gene-are-not-directly-associated-with-increased-risk-of-obstructive-sleep-apnea-syndrome-in-a-chinese-han-population
#5
Wenjuan Wu, Zhijun Li, Tingyu Tang, Liang Gu, Jianzong Du, Tian Zhao, Xiaoxi Zhou, Qingdong Huang
PURPOSE: This study aims to test the possible correlation between single nucleotide polymorphisms (SNPs) in the adiponectin gene and increased risk of obstructive sleep apnea syndrome (OSAS) in a Chinese Han population. MATERIALS AND METHODS: A total of 266 subjects were enrolled into the study to detect 9 SNPs in the adiponectin gene. Multivariate unconditional logistic regression analysis, adjusted for gender and age, was used to estimate the associations of these SNPs with OSAS risk...
2016: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/27651112/inflammation-mediates-the-association-between-visceral-adiposity-and-obstructive-sleep-apnea-in-adolescents
#6
Jordan Gaines, Alexandros N Vgontzas, Julio Fernandez-Mendoza, Susan L Calhoun, Fan He, Duanping Liao, Marjorie D Sawyer, Edward O Bixler
Only a handful of studies, primarily in clinical samples, have reported an association between obesity, inflammation, and obstructive sleep apnea (OSA) in children and adolescents. No studies, however, have examined the pathogenetic link between visceral adiposity, systemic inflammation, and incident OSA in a large general population sample using objective measures of sleep and body fat. Adolescents (n = 392; mean age 17.0 ± 2.2 yr, 54.0% male) from the Penn State Child Cohort (PSCC) underwent 9-h overnight polysomnography; a DXA scan to assess body fat distribution; and a single fasting blood draw for the assessment of plasma interleukin-6 (IL-6), IL-6 soluble receptor (IL-6 sR), tumor necrosis factor alpha (TNFα), tumor necrosis factor receptor 1A (TNFR1), C-reactive protein (CRP), leptin, and adiponectin levels via ELISA...
November 1, 2016: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27615447/intermittent-hypoxia-in-obese-zucker-rats-cardiometabolic-and-inflammatory-effects
#7
Anne Briançon-Marjollet, Denis Monneret, Marion Henri, Marie Joyeux-Faure, Perle Totoson, Sandrine Cachot, Patrice Faure, Diane Godin-Ribuot
What is the central question of this study? This study addresses the relative impact of obesity and intermittent hypoxia in the pathophysiological process of obstructive sleep apnoea by investigating the metabolic, inflammatory and cardiovascular consequences of intermittent hypoxia in lean and obese Zucker rats. What is the main finding and its importance? We found that obesity and intermittent hypoxia have mainly distinct consequences on the investigated inflammatory and cardiometabolic parameters in Zucker rats...
October 5, 2016: Experimental Physiology
https://www.readbyqxmd.com/read/27470682/evaluation-of-adiponectin-profile-in-italian-patients-affected-by-obstructive-sleep-apnea-syndrome
#8
Donato Lacedonia, Ersilia Nigro, Maria Gabriella Matera, Olga Scudiero, Maria Ludovica Monaco, Rita Polito, Giovanna Elisiana Carpagnano, Maria Pia Foschino Barbaro, Gennaro Mazzarella, Andrea Bianco, Aurora Daniele
Obstructive sleep apnea syndrome (OSAS) is a common breathing disorder; obesity represents a major risk factor for the development and progression of OSAS although obese patients do not necessarily suffer from OSAS. Adipose tissue communicates with lung in both physiologic and pathologic conditions through the production of adipokines, hormones active in metabolic and inflammatory processes. To explore the extent to which Acrp30 impacts on pathophysiology of OSAS and whether these proteins could be considered as targets for both diagnosis and therapy through enzyme-linked immunosorbent assay, western blotting analysis and fast protein liquid chromatography we have analyzed total levels as well as oligomer distribution in OSAS patients...
October 2016: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/26910598/effect-of-continuous-positive-airway-pressure-on-glycemic-control-in-patients-with-obstructive-sleep-apnea-and-type-2-diabetes-a-randomized-clinical-trial
#9
Elisabet Martínez-Cerón, Beatriz Barquiel, Ana-Maria Bezos, Raquel Casitas, Raúl Galera, Cristina García-Benito, Angel Hernanz, Alberto Alonso-Fernández, Francisco Garcia-Rio
RATIONALE: Obstructive sleep apnea (OSA) is a risk factor for type 2 diabetes that adversely impacts glycemic control. However, there is little evidence about the effect of continuous positive airway pressure (CPAP) on glycemic control in patients with diabetes. OBJECTIVES: To assess the effect of CPAP on glycated hemoglobin (HbA1c) levels in patients with suboptimally controlled type 2 diabetes and OSA, and to identify its determinants. METHODS: In a 6-month, open-label, parallel, and randomized clinical trial, 50 patients with OSA and type 2 diabetes and two HbA1c levels equal to or exceeding 6...
August 15, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/26674570/serum-adiponectin-level-in-obstructive-sleep-apnea-relation-of-adiponectin-to-obesity-and-long-term-continuous-positive-airway-pressure-therapy
#10
Milada Hobzová, Richard Salzman, David Stejskal, Jana Zapletalová, Vítězslav Kolek
PURPOSE: The study aimed to determine the effect of OSA and obesity on the plasma levels of adiponectin and the long-term effect of CPAP on its plasma levels and obesity parameters. MATERIAL/METHODS: A prospective observational study included 159 newly diagnosed OSA patients. The cohort was divided into CPAP treated (n=82) and control group (n=77). Both groups were examined at the beginning and a year later. The CPAP-treated patients were additionally tested after a month of therapy...
March 2016: Advances in Medical Sciences
https://www.readbyqxmd.com/read/26429654/obstructive-sleep-apnea-is-independently-associated-with-inflammation-and-insulin-resistance-but-not-with-blood-pressure-%C3%A2-plasma-catecholamines-and-endothelial-function-in%C3%A2-obese-subjects
#11
Luciene da Silva Araújo, Julia Freitas Rodrigues Fernandes, Márcia Regina Simas Torres Klein, Antonio Felipe Sanjuliani
OBJECTIVES: Obstructive sleep apnea (OSA) is associated with an increased risk of cardiovascular disease (CVD). Several of the proposed mechanisms for the development of CVD in OSA are similar to those proposed for the increased risk of CVD in obesity, so that it is difficult to determine the influence of OSA on these pathogenic mechanisms in obese individuals. The aim of this study was to evaluate the relationship of OSA with endothelial function, oxidative stress, inflammatory biomarkers, metabolic profile, sympathetic nervous system activity, and blood pressure (BP) in obese individuals...
November 2015: Nutrition
https://www.readbyqxmd.com/read/26367527/effect-of-continuous-positive-airway-pressure-on-adiponectin-in-patients-with-obstructive-sleep-apnea-a-meta-analysis
#12
Li-Da Chen, Jian-Nan Liu, Li Lin, Zhi Wu, Hao Li, Yu-Ming Ye, Qiao-Zhen Xu, Qi-Chang Lin
OBJECTIVE: Obstructive sleep apnea (OSA) has been suggested to be associated with low levels of adiponectin. Continuous positive airway pressure (CPAP) is the gold standard treatment for OSA; however, previous studies assessing the effect of CPAP on adiponectin in patients with OSA yielded conflicting results. The present meta-analysis was performed to determine whether CPAP therapy could increase adiponectin levels. METHODS: Two reviewers independently searched PubMed, Cochrane library, Embase and Web of Science before February 2015...
2015: PloS One
https://www.readbyqxmd.com/read/25808226/association-between-endothelial-function-assessed-on-reactive-hyperemia-peripheral-arterial-tonometry-and-obstructive-sleep-apnea-visceral-fat-accumulation-and-serum-adiponectin
#13
Masanori Azuma, Yuichi Chihara, Chikara Yoshimura, Kimihiko Murase, Satoshi Hamada, Ryo Tachikawa, Takeshi Matsumoto, Morito Inouchi, Kiminobu Tanizawa, Tomohiro Handa, Toru Oga, Michiaki Mishima, Kazuo Chin
BACKGROUND: Visceral obesity, low adiponectin, and severe obstructive sleep apnea (OSA) are associated with cardiovascular diseases, but the interactions among these factors on endothelial dysfunction are not well known. METHODS AND RESULTS: Endothelial function in 133 patients after polysomnography was evaluated as reactive hyperemia index (RHI) on reactive hyperemia peripheral arterial tonometry. Visceral obesity was defined as visceral fat area ≥100 cm(2)on computed tomography...
2015: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/25801692/effects-of-adenotonsillectomy-on-plasma-inflammatory-biomarkers-in-obese-children-with-obstructive-sleep-apnea-a-community-based-study
#14
L Kheirandish-Gozal, A Gileles-Hillel, M L Alonso-Álvarez, E Peris, R Bhattacharjee, J Terán-Santos, J Duran-Cantolla, D Gozal
BACKGROUND: Obesity and obstructive sleep apnea syndrome (OSA) are highly prevalent and frequently overlapping conditions in children that lead to systemic inflammation, the latter being implicated in the various end-organ morbidities associated with these conditions. AIM: To examine the effects of adenotonsillectomy (T&A) on plasma levels of inflammatory markers in obese children with polysomnographically diagnosed OSA who were prospectively recruited from the community...
July 2015: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/25724554/chronic-intermittent-hypoxia-leads-to-insulin-resistance-and-impaired-glucose-tolerance-through-dysregulation-of-adipokines-in-non-obese-rats
#15
Cuiping Fu, Liyan Jiang, Fen Zhu, Zilong Liu, Wenjing Li, Hong Jiang, Hongying Ye, Clete A Kushida, Shanqun Li
BACKGROUND AND OBJECTIVES: The aim of this study was to determine whether chronic intermittent hypoxia (CIH) could affect the secretion of adipokines, such as resistin, leptin, and adiponectin, in non-obese rats and to investigate the potential mechanisms. METHODS: An established rodent model of CIH was utilized, in which rats were exposed to varying oxygen levels (7-21 %) respectively over a period of 5 weeks. The area under the curve (AUCG) and the insulin resistance index (homeostasis model of assessment for insulin resistance index, HOMA-IR) were calculated...
December 2015: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/25700870/meta-analyses-of-the-association-of-sleep-apnea-with-insulin-resistance-and-the-effects-of-cpap-on-homa-ir-adiponectin-and-visceral-adipose-fat
#16
Imran H Iftikhar, Camilla M Hoyos, Craig L Phillips, Ulysses J Magalang
OBJECTIVE: We sought to conduct an updated meta-analysis of randomized controlled trials (RCTs) on the effect of continuous positive airway pressure (CPAP) on insulin resistance, as measured by homeostasis model assessment of insulin resistance (HOMA-IR), visceral abdominal fat (VAF), and adiponectin. Additionally, we performed a separate meta-analysis and meta-regression of studies on the association of insulin resistance and obstructive sleep apnea (OSA). METHODS: All included studies were searched from PubMed (from conception to March 15, 2014)...
April 2015: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/25276370/adiponectin-protects-rat-heart-from-left-ventricular-remodeling-induced-by-chronic-intermittent-hypoxia-via-inhibition-of-tgf-%C3%AE-smad2-3-pathway
#17
Wen-Xiao Ding, Yan-Bin Dong, Ning Ding, Xiao-Feng Zhang, Shi-Jiang Zhang, Xi-Long Zhang, Jian-Nan Liu, Gan Lu
OBJECTIVE: Obstructive sleep apnea syndrome (OSAS) is associated with many cardiovascular disorders. Chronic intermittent hypoxia (CIH) is the primary player in OSAS of the many associated factors. This study was in order to investigate the effects of the Adiponectin (Ad) on left ventricular remodeling induced by CIH. METHODS: Forty-five rats were randomly divided into three groups: normal control (NC) group, CIH group and CIH plus Ad supplemented (CIH + Ad) group...
September 2014: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/25238542/the-systemic-inflammome-of-severe-obesity-before-and-after-bariatric-surgery
#18
Ebymar Arismendi, Eva Rivas, Alvar Agustí, José Ríos, Esther Barreiro, Josep Vidal, Robert Rodriguez-Roisin
INTRODUCTION: Obesity is associated with low-grade systemic inflammation. The "inflammome" is a network layout of the inflammatory pattern. The systemic inflammome of obesity has not been described as yet. We hypothesized that it can be significantly worsened by smoking and other comorbidities frequently associated with obesity, and ameliorated by bariatric surgery (BS). Besides, whether or not these changes are mirrored in the lungs is unknown, but obesity is often associated with pulmonary inflammation and bronchial hyperresponsiveness...
2014: PloS One
https://www.readbyqxmd.com/read/24982545/study-of-leptin-and-adiponectin-as-disease-markers-in-subjects-with-obstructive-sleep-apnea
#19
Sana Al Mutairi, Olusegun A Mojiminiyi, Alia Al Alawi, Tahani Al Rammah, Nabila Abdella
BACKGROUND: Published studies showed conflicting results of the associations between adiponectin and leptin levels and obstructive sleep apnoea (OSA). In obese patients, plasma leptin is elevated and adiponectin is decreased, and we postulate that these adipokines could be potential markers of clinical and metabolic perturbations in patients with OSA. METHODS: 147 patients with suspected OSA had polysomnography to determine the Respiratory Disturbance Index (RDI)...
2014: Disease Markers
https://www.readbyqxmd.com/read/24966468/abnormal-cytokine-profile-in-patients-with-obstructive-sleep-apnea-hypopnea-syndrome-and-erectile-dysfunction
#20
Izolde Bouloukaki, Vaios Papadimitriou, Frank Sofras, Charalampos Mermigkis, Violeta Moniaki, Nikolaos M Siafakas, Sophia E Schiza
Patients with obstructive sleep apnea-hypopnea syndrome (OSAHS) show a high prevalence of erectile dysfunction (ED). Although the underlying pathogenesis is still unknown, endothelial dysfunction, induced by inflammatory cytokines, chemokines, and adhesion molecules, has been proposed as a possible mechanism. The aim of this study was to assess whether OSAHS is associated with activation of the inflammatory cytokine system in patients with ED compared to the matched OSAHS patients with normal sexual function...
2014: Mediators of Inflammation
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