hrp0082p2-d3-386 | Fat Metabolism & Obesity (2) | ESPE2014

Miglitol Upregulates Uncoupling Protein 1 (ucp1) by Enhancing β3-Adrenergic Signaling in Mature Brown Adipocytes of Rat

Sugimoto Satoru , Nakajima Hisakazu , Nishikawa Taichiro Nishikawa , Kodo Kazuki , Itoh Ikuyo , Kosaka Kitaro , Hosoi Hajime

Introduction: We previously reported that miglitol, an alpha-glucosidase inhibitor (α-GI), increases energy expenditure by enhancing β3-adrenergic signaling of brown adipose tissue (BAT) and reduces obesity in dietary-induced obese mice (S Sugimoto et al, at the 9th joint meeting of Pediatric Endocrinology, 2013) (Nutrition & Metabolism). However, this report did not describe the mechanism by which miglitol enhances β3-adrenergic signaling....

hrp0082p3-d1-760 | Fat Metabolism & Obesity | ESPE2014

Association of Ghrelin Gene Polymorphisms with Obesity in Japanese Children

Itoh Ikuyo , Nakajima Hisakazu , Kodo Kazuki , Sugimoto Satoru , Kosaka Kitaro , Hosoi Hajime

Background: Recently, ghrelin has attracted attention as a hormone connected with appetite. The relationship between ghrelin genetic polymorphisms and obesity has been analyzed in adults, but the influence of these SNPs on obesity in children is uncertain.Objective: We perform SNP analysis of the ghrelin gene and examine its relationship with the childhood obesity.Population: We analyzed 35 patients (27 boys, eight girls) treated i...

hrp0086p1-p459 | Fat Metabolism and Obesity P1 | ESPE2016

Erythropoietin Activates Classical Brown Adipose Tissue Through the Erythropoietin Receptor/STAT3 Pathway, Improving Obesity and Glucose Homeostasis in High Fat Diet-induced Obese Mice

Kodo Kazuki , Nakajima Hisakazu , Sugimoto Satoru , Itoh Ikuyo , Syota Fukuhara , Shigehara Keiichi , Nishikawa Taichiro , Mori Jun , Kosaka Kitaro , Hosoi Hajime

Background, aims and objectives: We hypothesized that classical brown adipose tissue (cBAT) could play a crucial role in the anti-obesity effects of erythropoietin (EPO). Our study highlights the mechanism in which EPO treatments could upregulate energy expenditure and improve glucose homeostasis through cBAT in obese mice fed with a high-fat diet (HFD).Method: C57BL/6J mice had been fed with HFD since the age of 4 weeks (HFD mice). We administered recom...

hrp0086p1-p443 | Fat Metabolism and Obesity P1 | ESPE2016

The Collapse of the BDNF/POMC System in the Hypothalamus is Responsible for the Extreme Obesity with Hyperphagia Observed in Female Heterozygous MeCP2 Null Mice

Fukuhara Shota , Nakajima Hisakazu , Kodo Kazuki , Itoh Ikuyo , Shigehara Keiichi , Moroto Masaharu , Sugimoto Satoru , Mori Jun , Kosaka Kitaro , Morimoto Masafumi , Hosoi Hajime

Objective and hypotheses: The aim was to elucidate the mechanism underlying the extreme obesity observed in female heterozygous MeCP2 null mice fed a high-fat diet.Method: We examined the molecular biology and physiology of female heterozygous MeCP2 null mice (Mecp2tm1.1Bird/J, MeCP2+/− mice) fed a high-fat diet (HFD) for 12 weeks since 4 weeks of age using analytical tools. C57/BL6 mice were used as controls.<p class="abs...