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Blunted suppression of acyl-ghrelin in response to fructose ingestion in obese adolescents: the role of insulin resistance.


ABSTRACT: Fructose consumption has risen alongside obesity and diabetes. Gut hormones involved in hunger and satiety (ghrelin and PYY) may respond differently to fructose compared with glucose ingestion. This study evaluated the effects of glucose and fructose ingestion on ghrelin and PYY in lean and obese adolescents with differing insulin sensitivity.Adolescents were divided into lean (n?=?14), obese insulin sensitive (n?=?12) (OIS), and obese insulin resistant (n?=?15) (OIR). In a double-blind, cross-over design, subjects drank 75 g of glucose or fructose in random order, serum was obtained every 10 minutes for 60 minutes.Baseline acyl-ghrelin was highest in lean and lowest in OIR (P?=?0.02). After glucose ingestion, acyl-ghrelin decreased similarly in lean and OIS but was lower in OIR (vs. lean, P?=?0.03). Suppression differences were more pronounced after fructose (lean vs. OIS, P?=?0.008, lean vs. OIR, P?

SUBMITTER: Van Name M 

PROVIDER: S-EPMC4548801 | biostudies-literature | 2015 Mar

REPOSITORIES: biostudies-literature

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Blunted suppression of acyl-ghrelin in response to fructose ingestion in obese adolescents: the role of insulin resistance.

Van Name Michelle M   Giannini Cosimo C   Santoro Nicola N   Jastreboff Ania M AM   Kubat Jessica J   Li Fangyong F   Kursawe Romy R   Savoye Mary M   Duran Elvira E   Dziura James J   Sinha Rajita R   Sherwin Robert S RS   Cline Gary G   Caprio Sonia S  

Obesity (Silver Spring, Md.) 20150203 3


<h4>Objective</h4>Fructose consumption has risen alongside obesity and diabetes. Gut hormones involved in hunger and satiety (ghrelin and PYY) may respond differently to fructose compared with glucose ingestion. This study evaluated the effects of glucose and fructose ingestion on ghrelin and PYY in lean and obese adolescents with differing insulin sensitivity.<h4>Methods</h4>Adolescents were divided into lean (n = 14), obese insulin sensitive (n = 12) (OIS), and obese insulin resistant (n = 15)  ...[more]

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