Correlation between plasma glutamate and adiponectin in patients with type 2 diabetes

Visceral fat accumulation is a major determinant of type 2 diabetes mellitus and cardiovascular diseases. Recent studies have reported that glutamate is the most elevated amino acid in the plasma amino acid profile in patients with obesity and/or visceral fat accumulation. Here, we show the relation...

Full description

Saved in:
Bibliographic Details
Main Authors: Hirofumi Nagao, Hitoshi Nishizawa, Shiro Fukuda, Yuya Fujishima, Shunbun Kita, Norikazu Maeda, Takeshi Bamba, Eiichiro Fukusaki, Iichiro Shimomura
Format: Article
Language:English
Published: The Japan Endocrine Society 2024-01-01
Series:Endocrine Journal
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/endocrj/71/1/71_EJ23-0506/_html/-char/en
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1832591703359356928
author Hirofumi Nagao
Hitoshi Nishizawa
Shiro Fukuda
Yuya Fujishima
Shunbun Kita
Norikazu Maeda
Takeshi Bamba
Eiichiro Fukusaki
Iichiro Shimomura
author_facet Hirofumi Nagao
Hitoshi Nishizawa
Shiro Fukuda
Yuya Fujishima
Shunbun Kita
Norikazu Maeda
Takeshi Bamba
Eiichiro Fukusaki
Iichiro Shimomura
author_sort Hirofumi Nagao
collection DOAJ
description Visceral fat accumulation is a major determinant of type 2 diabetes mellitus and cardiovascular diseases. Recent studies have reported that glutamate is the most elevated amino acid in the plasma amino acid profile in patients with obesity and/or visceral fat accumulation. Here, we show the relationship between plasma glutamate and the clinical features of patients with type 2 diabetes. The study subjects were 62 (28 men and 34 women) Japanese patients with type 2 diabetes. Blood profiles, including glutamate and adiponectin (APN) levels and estimated visceral fat area (eVFA), were measured. We also evaluated the plasma amino acid levels in mice with or without obesity by GC/MS analysis. In patients with type 2 diabetes, plasma glutamate was positively correlated with BMI, eVFA, and fasting insulin but negatively correlated with APN and duration of diabetes. Additionally, multiple regression analysis revealed that plasma glutamate was a significant determinant of APN. The plasma glutamate level was most significantly increased in obese mice compared to control mice, and it was negatively correlated with APN. These results suggest that the level of plasma glutamate could be a strong indicator of adipocyte dysfunction in patients with type 2 diabetes.
format Article
id doaj-art-670f539035a64943b42be14ab1842a95
institution Kabale University
issn 1348-4540
language English
publishDate 2024-01-01
publisher The Japan Endocrine Society
record_format Article
series Endocrine Journal
spelling doaj-art-670f539035a64943b42be14ab1842a952025-01-22T06:31:09ZengThe Japan Endocrine SocietyEndocrine Journal1348-45402024-01-01711556310.1507/endocrj.EJ23-0506endocrjCorrelation between plasma glutamate and adiponectin in patients with type 2 diabetesHirofumi Nagao0Hitoshi Nishizawa1Shiro Fukuda2Yuya Fujishima3Shunbun Kita4Norikazu Maeda5Takeshi Bamba6Eiichiro Fukusaki7Iichiro Shimomura8Department of Metabolism and Atherosclerosis, Graduate School of Medicine, Osaka University, Osaka 565-0871, JapanDepartment of Metabolism and Atherosclerosis, Graduate School of Medicine, Osaka University, Osaka 565-0871, JapanDepartment of Metabolic Medicine, Graduate School of Medicine, Osaka University, Osaka 565-0871, JapanDepartment of Metabolic Medicine, Graduate School of Medicine, Osaka University, Osaka 565-0871, JapanDepartment of Metabolic Medicine, Graduate School of Medicine, Osaka University, Osaka 565-0871, JapanDepartment of Metabolism and Atherosclerosis, Graduate School of Medicine, Osaka University, Osaka 565-0871, JapanDepartment of Biotechnology, Graduate School of Engineering, Osaka University, Osaka 565-0871, JapanDepartment of Biotechnology, Graduate School of Engineering, Osaka University, Osaka 565-0871, JapanDepartment of Metabolic Medicine, Graduate School of Medicine, Osaka University, Osaka 565-0871, JapanVisceral fat accumulation is a major determinant of type 2 diabetes mellitus and cardiovascular diseases. Recent studies have reported that glutamate is the most elevated amino acid in the plasma amino acid profile in patients with obesity and/or visceral fat accumulation. Here, we show the relationship between plasma glutamate and the clinical features of patients with type 2 diabetes. The study subjects were 62 (28 men and 34 women) Japanese patients with type 2 diabetes. Blood profiles, including glutamate and adiponectin (APN) levels and estimated visceral fat area (eVFA), were measured. We also evaluated the plasma amino acid levels in mice with or without obesity by GC/MS analysis. In patients with type 2 diabetes, plasma glutamate was positively correlated with BMI, eVFA, and fasting insulin but negatively correlated with APN and duration of diabetes. Additionally, multiple regression analysis revealed that plasma glutamate was a significant determinant of APN. The plasma glutamate level was most significantly increased in obese mice compared to control mice, and it was negatively correlated with APN. These results suggest that the level of plasma glutamate could be a strong indicator of adipocyte dysfunction in patients with type 2 diabetes.https://www.jstage.jst.go.jp/article/endocrj/71/1/71_EJ23-0506/_html/-char/entype 2 diabetesvisceral fat accumulationobesityglutamateadiponectin
spellingShingle Hirofumi Nagao
Hitoshi Nishizawa
Shiro Fukuda
Yuya Fujishima
Shunbun Kita
Norikazu Maeda
Takeshi Bamba
Eiichiro Fukusaki
Iichiro Shimomura
Correlation between plasma glutamate and adiponectin in patients with type 2 diabetes
Endocrine Journal
type 2 diabetes
visceral fat accumulation
obesity
glutamate
adiponectin
title Correlation between plasma glutamate and adiponectin in patients with type 2 diabetes
title_full Correlation between plasma glutamate and adiponectin in patients with type 2 diabetes
title_fullStr Correlation between plasma glutamate and adiponectin in patients with type 2 diabetes
title_full_unstemmed Correlation between plasma glutamate and adiponectin in patients with type 2 diabetes
title_short Correlation between plasma glutamate and adiponectin in patients with type 2 diabetes
title_sort correlation between plasma glutamate and adiponectin in patients with type 2 diabetes
topic type 2 diabetes
visceral fat accumulation
obesity
glutamate
adiponectin
url https://www.jstage.jst.go.jp/article/endocrj/71/1/71_EJ23-0506/_html/-char/en
work_keys_str_mv AT hirofuminagao correlationbetweenplasmaglutamateandadiponectininpatientswithtype2diabetes
AT hitoshinishizawa correlationbetweenplasmaglutamateandadiponectininpatientswithtype2diabetes
AT shirofukuda correlationbetweenplasmaglutamateandadiponectininpatientswithtype2diabetes
AT yuyafujishima correlationbetweenplasmaglutamateandadiponectininpatientswithtype2diabetes
AT shunbunkita correlationbetweenplasmaglutamateandadiponectininpatientswithtype2diabetes
AT norikazumaeda correlationbetweenplasmaglutamateandadiponectininpatientswithtype2diabetes
AT takeshibamba correlationbetweenplasmaglutamateandadiponectininpatientswithtype2diabetes
AT eiichirofukusaki correlationbetweenplasmaglutamateandadiponectininpatientswithtype2diabetes
AT iichiroshimomura correlationbetweenplasmaglutamateandadiponectininpatientswithtype2diabetes