Relationship between Changes in Plasma Leptin Concentrations and Plasminogen Activator Inhibitor-1 in Obese Prepubertal Children after Nine Months of Treatment

Background/Aims: The metabolic syndrome (MS) is associated with insulin resistance (IR), inappropriate fibrinolysis and high plasma leptin concentrations. The aim of this study was to quantify fibrinolysis and MS-related variables in obese prepubertal children and to evaluate changes in these variab...

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Veröffentlicht in:Annals of nutrition and metabolism 2013-01, Vol.63 (3), p.216-222
Hauptverfasser: Jiménez, Miguel Valle, Martos, Rosario, Morales, Rosario M., Valle, Rosario, Cañete, María Dolores, Urbano, M. Mar, Bermudo, Francisco, Cañete, Ramón
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container_end_page 222
container_issue 3
container_start_page 216
container_title Annals of nutrition and metabolism
container_volume 63
creator Jiménez, Miguel Valle
Martos, Rosario
Morales, Rosario M.
Valle, Rosario
Cañete, María Dolores
Urbano, M. Mar
Bermudo, Francisco
Cañete, Ramón
description Background/Aims: The metabolic syndrome (MS) is associated with insulin resistance (IR), inappropriate fibrinolysis and high plasma leptin concentrations. The aim of this study was to quantify fibrinolysis and MS-related variables in obese prepubertal children and to evaluate changes in these variables as a result of improved body mass index (BMI), IR and leptin levels following 9 months of treatment. Methods: The homeostasis model assessment for insulin resistance (HOMA-IR), leptin, plasminogen activator inhibitor-1 (PAI-1) and lipid profile were studied at baseline in obese (n = 50) and nonobese children (n = 50), and after 9 months of treatment in obese children. Results: In the cross-sectional study the mean values for insulin, HOMA-IR, triglycerides, leptin and PAI-1 were significantly higher in obese children than in controls. High-density lipoprotein cholesterol (HDLc) and apolipoprotein A-1 were significantly lower. In the longitudinal study, after 9 months, children with lowered BMI standard deviation score displayed a significant decrease in insulin, HOMA-IR, PAI-1, leptin and triglyceride levels, and an increase in HDLc. Only leptin proved to be an independent predictive factor for changes in PAI-1 (p = 0.010). Conclusion: Obesity-linked disorders appear in obese children prior to puberty; these disorders can be improved by decreasing BMI. Changes in leptin levels were found to independently predict changes in PAI-1 in obese children and can help to diagnose complications associated with the obesity.
doi_str_mv 10.1159/000351597
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Results: In the cross-sectional study the mean values for insulin, HOMA-IR, triglycerides, leptin and PAI-1 were significantly higher in obese children than in controls. High-density lipoprotein cholesterol (HDLc) and apolipoprotein A-1 were significantly lower. In the longitudinal study, after 9 months, children with lowered BMI standard deviation score displayed a significant decrease in insulin, HOMA-IR, PAI-1, leptin and triglyceride levels, and an increase in HDLc. Only leptin proved to be an independent predictive factor for changes in PAI-1 (p = 0.010). Conclusion: Obesity-linked disorders appear in obese children prior to puberty; these disorders can be improved by decreasing BMI. Changes in leptin levels were found to independently predict changes in PAI-1 in obese children and can help to diagnose complications associated with the obesity.</description><identifier>ISSN: 0250-6807</identifier><identifier>EISSN: 1421-9697</identifier><identifier>DOI: 10.1159/000351597</identifier><identifier>PMID: 24135306</identifier><language>eng</language><publisher>Basel, Switzerland: S. 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Mar</creatorcontrib><creatorcontrib>Bermudo, Francisco</creatorcontrib><creatorcontrib>Cañete, Ramón</creatorcontrib><title>Relationship between Changes in Plasma Leptin Concentrations and Plasminogen Activator Inhibitor-1 in Obese Prepubertal Children after Nine Months of Treatment</title><title>Annals of nutrition and metabolism</title><addtitle>Ann Nutr Metab</addtitle><description>Background/Aims: The metabolic syndrome (MS) is associated with insulin resistance (IR), inappropriate fibrinolysis and high plasma leptin concentrations. The aim of this study was to quantify fibrinolysis and MS-related variables in obese prepubertal children and to evaluate changes in these variables as a result of improved body mass index (BMI), IR and leptin levels following 9 months of treatment. 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Mar</au><au>Bermudo, Francisco</au><au>Cañete, Ramón</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Relationship between Changes in Plasma Leptin Concentrations and Plasminogen Activator Inhibitor-1 in Obese Prepubertal Children after Nine Months of Treatment</atitle><jtitle>Annals of nutrition and metabolism</jtitle><addtitle>Ann Nutr Metab</addtitle><date>2013-01-01</date><risdate>2013</risdate><volume>63</volume><issue>3</issue><spage>216</spage><epage>222</epage><pages>216-222</pages><issn>0250-6807</issn><eissn>1421-9697</eissn><abstract>Background/Aims: The metabolic syndrome (MS) is associated with insulin resistance (IR), inappropriate fibrinolysis and high plasma leptin concentrations. The aim of this study was to quantify fibrinolysis and MS-related variables in obese prepubertal children and to evaluate changes in these variables as a result of improved body mass index (BMI), IR and leptin levels following 9 months of treatment. Methods: The homeostasis model assessment for insulin resistance (HOMA-IR), leptin, plasminogen activator inhibitor-1 (PAI-1) and lipid profile were studied at baseline in obese (n = 50) and nonobese children (n = 50), and after 9 months of treatment in obese children. Results: In the cross-sectional study the mean values for insulin, HOMA-IR, triglycerides, leptin and PAI-1 were significantly higher in obese children than in controls. High-density lipoprotein cholesterol (HDLc) and apolipoprotein A-1 were significantly lower. In the longitudinal study, after 9 months, children with lowered BMI standard deviation score displayed a significant decrease in insulin, HOMA-IR, PAI-1, leptin and triglyceride levels, and an increase in HDLc. Only leptin proved to be an independent predictive factor for changes in PAI-1 (p = 0.010). Conclusion: Obesity-linked disorders appear in obese children prior to puberty; these disorders can be improved by decreasing BMI. Changes in leptin levels were found to independently predict changes in PAI-1 in obese children and can help to diagnose complications associated with the obesity.</abstract><cop>Basel, Switzerland</cop><pub>S. Karger AG</pub><pmid>24135306</pmid><doi>10.1159/000351597</doi><tpages>7</tpages></addata></record>
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subjects Apolipoprotein A-I - blood
Body Mass Index
Child
Childrens health
Cholesterol, HDL - blood
Cross-Sectional Studies
Female
Humans
Insulin - blood
Insulin Resistance
Leptin - blood
Longitudinal Studies
Male
Metabolic disorders
Metabolic syndrome
Metabolic Syndrome - blood
Metabolic Syndrome - complications
Metabolic Syndrome - therapy
Obesity
Obesity - blood
Obesity - complications
Obesity - therapy
Original Paper
Plasminogen Activator Inhibitor 1 - blood
Studies
Triglycerides - blood
title Relationship between Changes in Plasma Leptin Concentrations and Plasminogen Activator Inhibitor-1 in Obese Prepubertal Children after Nine Months of Treatment
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