A Systems Biology Approach to Investigating the Interaction between Serotonin Synthesis by Tryptophan Hydroxylase and the Metabolic Homeostasis

Obesity has become a global public health and economic problem. Obesity is a major risk factor for a number of complications, such as type 2 diabetes, cardiovascular disease, fatty liver disease, and cancer. Serotonin (5-hydroxytryptamine [5-HT]) is a biogenic monoamine that plays various roles in m...

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Main Authors: Suhyeon Park, Yumin Kim, Jibeom Lee, Jeong Yun Lee, Hail Kim, Sunjae Lee, Chang-Myung Oh
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/22/5/2452
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author Suhyeon Park
Yumin Kim
Jibeom Lee
Jeong Yun Lee
Hail Kim
Sunjae Lee
Chang-Myung Oh
author_facet Suhyeon Park
Yumin Kim
Jibeom Lee
Jeong Yun Lee
Hail Kim
Sunjae Lee
Chang-Myung Oh
author_sort Suhyeon Park
collection DOAJ
description Obesity has become a global public health and economic problem. Obesity is a major risk factor for a number of complications, such as type 2 diabetes, cardiovascular disease, fatty liver disease, and cancer. Serotonin (5-hydroxytryptamine [5-HT]) is a biogenic monoamine that plays various roles in metabolic homeostasis. It is well known that central 5-HT regulates appetite and mood. Several 5-HT receptor agonists and selective serotonin receptor uptake inhibitors (SSRIs) have shown beneficial effects on appetite and mood control in clinics. Although several genetic polymorphisms related to 5-HT synthesis and its receptors are strongly associated with obesity, there is little evidence of the role of peripheral 5-HT in human metabolism. In this study, we performed a systemic analysis of transcriptome data from the Genotype-Tissue Expression (GTEX) database. We investigated the expression of 5-HT and tryptophan hydroxylase (TPH), the rate-limiting enzyme of 5-HT biosynthesis, in the human brain and peripheral tissues. We also performed differential gene expression analysis and predicted changes in metabolites by comparing gene expressions of tissues with high TPH expression to the gene expressions of tissues with low TPH expression. Our analyses provide strong evidence that serotonin plays an important role in the regulation of metabolic homeostasis in humans.
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spelling doaj.art-86ebb49ad6bc4914812a5bf4ebd252a02023-12-03T11:59:30ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672021-02-01225245210.3390/ijms22052452A Systems Biology Approach to Investigating the Interaction between Serotonin Synthesis by Tryptophan Hydroxylase and the Metabolic HomeostasisSuhyeon Park0Yumin Kim1Jibeom Lee2Jeong Yun Lee3Hail Kim4Sunjae Lee5Chang-Myung Oh6Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, KoreaDepartment of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, KoreaDepartment of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, KoreaDepartment of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, KoreaGraduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, KoreaDepartment of School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju 61005, KoreaDepartment of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, KoreaObesity has become a global public health and economic problem. Obesity is a major risk factor for a number of complications, such as type 2 diabetes, cardiovascular disease, fatty liver disease, and cancer. Serotonin (5-hydroxytryptamine [5-HT]) is a biogenic monoamine that plays various roles in metabolic homeostasis. It is well known that central 5-HT regulates appetite and mood. Several 5-HT receptor agonists and selective serotonin receptor uptake inhibitors (SSRIs) have shown beneficial effects on appetite and mood control in clinics. Although several genetic polymorphisms related to 5-HT synthesis and its receptors are strongly associated with obesity, there is little evidence of the role of peripheral 5-HT in human metabolism. In this study, we performed a systemic analysis of transcriptome data from the Genotype-Tissue Expression (GTEX) database. We investigated the expression of 5-HT and tryptophan hydroxylase (TPH), the rate-limiting enzyme of 5-HT biosynthesis, in the human brain and peripheral tissues. We also performed differential gene expression analysis and predicted changes in metabolites by comparing gene expressions of tissues with high TPH expression to the gene expressions of tissues with low TPH expression. Our analyses provide strong evidence that serotonin plays an important role in the regulation of metabolic homeostasis in humans.https://www.mdpi.com/1422-0067/22/5/2452serotoninmetabolic homeostasissystems biology
spellingShingle Suhyeon Park
Yumin Kim
Jibeom Lee
Jeong Yun Lee
Hail Kim
Sunjae Lee
Chang-Myung Oh
A Systems Biology Approach to Investigating the Interaction between Serotonin Synthesis by Tryptophan Hydroxylase and the Metabolic Homeostasis
International Journal of Molecular Sciences
serotonin
metabolic homeostasis
systems biology
title A Systems Biology Approach to Investigating the Interaction between Serotonin Synthesis by Tryptophan Hydroxylase and the Metabolic Homeostasis
title_full A Systems Biology Approach to Investigating the Interaction between Serotonin Synthesis by Tryptophan Hydroxylase and the Metabolic Homeostasis
title_fullStr A Systems Biology Approach to Investigating the Interaction between Serotonin Synthesis by Tryptophan Hydroxylase and the Metabolic Homeostasis
title_full_unstemmed A Systems Biology Approach to Investigating the Interaction between Serotonin Synthesis by Tryptophan Hydroxylase and the Metabolic Homeostasis
title_short A Systems Biology Approach to Investigating the Interaction between Serotonin Synthesis by Tryptophan Hydroxylase and the Metabolic Homeostasis
title_sort systems biology approach to investigating the interaction between serotonin synthesis by tryptophan hydroxylase and the metabolic homeostasis
topic serotonin
metabolic homeostasis
systems biology
url https://www.mdpi.com/1422-0067/22/5/2452
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