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Mao Y, Zhang J, Zhou Q, He X, Zheng Z, Wei Y, Zhou K, Lin Y, Yu H, Zhang H, Zhou Y, Lin P, Wu B, Yuan Y, Zhao J, Xu W, Zhao S. Hypoxia induces mitochondrial protein lactylation to limit oxidative phosphorylation. Cell Res 2024; 34:13-30. [PMID: 38163844 PMCID: PMC10770133 DOI: 10.1038/s41422-023-00864-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 08/01/2023] [Indexed: 01/03/2024] Open
Abstract
Oxidative phosphorylation (OXPHOS) consumes oxygen to produce ATP. However, the mechanism that balances OXPHOS activity and intracellular oxygen availability remains elusive. Here, we report that mitochondrial protein lactylation is induced by intracellular hypoxia to constrain OXPHOS. We show that mitochondrial alanyl-tRNA synthetase (AARS2) is a protein lysine lactyltransferase, whose proteasomal degradation is enhanced by proline 377 hydroxylation catalyzed by the oxygen-sensing hydroxylase PHD2. Hypoxia induces AARS2 accumulation to lactylate PDHA1 lysine 336 in the pyruvate dehydrogenase complex and carnitine palmitoyltransferase 2 (CPT2) lysine 457/8, inactivating both enzymes and inhibiting OXPHOS by limiting acetyl-CoA influx from pyruvate and fatty acid oxidation, respectively. PDHA1 and CPT2 lactylation can be reversed by SIRT3 to activate OXPHOS. In mouse muscle cells, lactylation is induced by lactate oxidation-induced intracellular hypoxia during exercise to constrain high-intensity endurance running exhaustion time, which can be increased or decreased by decreasing or increasing lactylation levels, respectively. Our results reveal that mitochondrial protein lactylation integrates intracellular hypoxia and lactate signals to regulate OXPHOS.
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Affiliation(s)
- Yunzi Mao
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Jiaojiao Zhang
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Qian Zhou
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Xiadi He
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Zhifang Zheng
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Yun Wei
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Kaiqiang Zhou
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Yan Lin
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Shanghai, China
- Shanghai Fifth People's Hospital of Fudan University, Fudan University, Shanghai, China
| | - Haowen Yu
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Haihui Zhang
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Yineng Zhou
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Pengcheng Lin
- Key Laboratory for Tibet Plateau Phytochemistry of Qinghai Province, College of Pharmacy, Qinghai University for Nationalities, Xining, Qinghai, China
| | - Baixing Wu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, RNA Biomedical Institute, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Yiyuan Yuan
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Shanghai, China
| | - Jianyuan Zhao
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Shanghai, China
| | - Wei Xu
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China.
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Shanghai, China.
- Shanghai Fifth People's Hospital of Fudan University, Fudan University, Shanghai, China.
| | - Shimin Zhao
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai Key Laboratory of Metabolic Remodeling and Health, State Key Laboratory of Genetic Engineering, School of Life Sciences, Children's Hospital of Fudan University, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China.
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Shanghai, China.
- Key Laboratory for Tibet Plateau Phytochemistry of Qinghai Province, College of Pharmacy, Qinghai University for Nationalities, Xining, Qinghai, China.
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2
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Ahn B. The Function of MondoA and ChREBP Nutrient-Sensing Factors in Metabolic Disease. Int J Mol Sci 2023; 24:ijms24108811. [PMID: 37240157 DOI: 10.3390/ijms24108811] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/12/2023] [Accepted: 05/13/2023] [Indexed: 05/28/2023] Open
Abstract
Obesity is a major global public health concern associated with an increased risk of many health problems, including type 2 diabetes, heart disease, stroke, and some types of cancer. Obesity is also a critical factor in the development of insulin resistance and type 2 diabetes. Insulin resistance is associated with metabolic inflexibility, which interferes with the body's ability to switch from free fatty acids to carbohydrate substrates, as well as with the ectopic accumulation of triglycerides in non-adipose tissue, such as that of skeletal muscle, the liver, heart, and pancreas. Recent studies have demonstrated that MondoA (MLX-interacting protein or MLXIP) and the carbohydrate response element-binding protein (ChREBP, also known as MLXIPL and MondoB) play crucial roles in the regulation of nutrient metabolism and energy homeostasis in the body. This review summarizes recent advances in elucidating the function of MondoA and ChREBP in insulin resistance and related pathological conditions. This review provides an overview of the mechanisms by which MondoA and ChREBP transcription factors regulate glucose and lipid metabolism in metabolically active organs. Understanding the underlying mechanism of MondoA and ChREBP in insulin resistance and obesity can foster the development of new therapeutic strategies for treating metabolic diseases.
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Affiliation(s)
- Byungyong Ahn
- Department of Food Science and Nutrition, University of Ulsan, Ulsan 44610, Republic of Korea
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3
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Carroll PA, Freie BW, Cheng PF, Kasinathan S, Gu H, Hedrich T, Dowdle JA, Venkataramani V, Ramani V, Wu X, Raftery D, Shendure J, Ayer DE, Muller CH, Eisenman RN. The glucose-sensing transcription factor MLX balances metabolism and stress to suppress apoptosis and maintain spermatogenesis. PLoS Biol 2021; 19:e3001085. [PMID: 34669700 PMCID: PMC8528285 DOI: 10.1371/journal.pbio.3001085] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 09/24/2021] [Indexed: 01/02/2023] Open
Abstract
Male germ cell (GC) production is a metabolically driven and apoptosis-prone process. Here, we show that the glucose-sensing transcription factor (TF) MAX-Like protein X (MLX) and its binding partner MondoA are both required for male fertility in the mouse, as well as survival of human tumor cells derived from the male germ line. Loss of Mlx results in altered metabolism as well as activation of multiple stress pathways and GC apoptosis in the testes. This is concomitant with dysregulation of the expression of male-specific GC transcripts and proteins. Our genomic and functional analyses identify loci directly bound by MLX involved in these processes, including metabolic targets, obligate components of male-specific GC development, and apoptotic effectors. These in vivo and in vitro studies implicate MLX and other members of the proximal MYC network, such as MNT, in regulation of metabolism and differentiation, as well as in suppression of intrinsic and extrinsic death signaling pathways in both spermatogenesis and male germ cell tumors (MGCTs).
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Affiliation(s)
- Patrick A. Carroll
- Basic Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America
| | - Brian W. Freie
- Basic Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America
| | - Pei Feng Cheng
- Basic Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America
| | - Sivakanthan Kasinathan
- Basic Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America
| | - Haiwei Gu
- Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, Washington, United States of America
| | - Theresa Hedrich
- Basic Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America
| | - James A. Dowdle
- Molecular Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York, United States of America
| | - Vivek Venkataramani
- Institute of Pathology, University Medical Center Göttingen, Göttingen, Germany
| | - Vijay Ramani
- Department of Genome Sciences, University of Washington, Seattle, Washington, United States of America
| | - Xiaoying Wu
- Basic Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America
| | - Daniel Raftery
- Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, Washington, United States of America
| | - Jay Shendure
- Department of Genome Sciences, University of Washington, Seattle, Washington, United States of America
- Howard Hughes Medical Institute, Seattle, Washington, United States of America
- Brotman Baty Institute for Precision Medicine, Seattle, Washington, United States of America
| | - Donald E. Ayer
- Huntsman Cancer Institute, Department of Oncological Sciences, University of Utah, Salt Lake City, Utah, United States of America
| | - Charles H. Muller
- Male Fertility Lab, Department of Urology, University of Washington, Seattle, Washington, United States of America
| | - Robert N. Eisenman
- Basic Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America
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4
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Ran H, Lu Y, Zhang Q, Hu Q, Zhao J, Wang K, Tong X, Su Q. MondoA Is Required for Normal Myogenesis and Regulation of the Skeletal Muscle Glycogen Content in Mice. Diabetes Metab J 2021; 45:439-451. [PMID: 32431117 PMCID: PMC8164950 DOI: 10.4093/dmj.2019.0212] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 02/12/2020] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Skeletal muscle is the largest tissue in the human body, and it plays a major role in exerting force and maintaining metabolism homeostasis. The role of muscle transcription factors in the regulation of metabolism is not fully understood. MondoA is a glucose-sensing transcription factor that is highly expressed in skeletal muscle. Previous studies suggest that MondoA can influence systemic metabolism homeostasis. However, the function of MondoA in the skeletal muscle remains unclear. METHODS We generated muscle-specific MondoA knockout (MAKO) mice and analyzed the skeletal muscle morphology and glycogen content. Along with skeletal muscle from MAKO mice, C2C12 myocytes transfected with small interfering RNA against MondoA were also used to investigate the role and potential mechanism of MondoA in the development and glycogen metabolism of skeletal muscle. RESULTS MAKO caused muscle fiber atrophy, reduced the proportion of type II fibers compared to type I fibers, and increased the muscle glycogen level. MondoA knockdown inhibited myoblast proliferation, migration, and differentiation by inhibiting the phosphatase and tensin homolog (PTEN)/phosphoinositide 3-kinase (PI3K)/Akt pathway. Further mechanistic experiments revealed that the increased muscle glycogen in MAKO mice was caused by thioredoxin-interacting protein (TXNIP) downregulation, which led to upregulation of glucose transporter 4 (GLUT4), potentially increasing glucose uptake. CONCLUSION MondoA appears to mediate mouse myofiber development, and MondoA decreases the muscle glycogen level. The findings indicate the potential function of MondoA in skeletal muscle, linking the glucose-related transcription factor to myogenesis and skeletal myofiber glycogen metabolism.
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Affiliation(s)
- Hui Ran
- Department of Endocrinology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yao Lu
- Department of Endocrinology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qi Zhang
- Department of Endocrinology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiuyue Hu
- Department of Endocrinology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Junmei Zhao
- Department of Hematology, Renmin Hospital, Wuhan University, Wuhan, China
| | - Kai Wang
- Department of Pediatrics, 1st Affiliated Hospital, Zhengzhou University, Zhengzhou, China
| | - Xuemei Tong
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qing Su
- Department of Endocrinology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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5
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Ke H, Luan Y, Wu S, Zhu Y, Tong X. The Role of Mondo Family Transcription Factors in Nutrient-Sensing and Obesity. Front Endocrinol (Lausanne) 2021; 12:653972. [PMID: 33868181 PMCID: PMC8044463 DOI: 10.3389/fendo.2021.653972] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/15/2021] [Indexed: 12/20/2022] Open
Abstract
In the past several decades obesity has become one of the greatest health burdens worldwide. Diet high in fats and fructose is one of the main causes for the prevalence of metabolic disorders including obesity. Promoting brown or beige adipocyte development and activity is regarded as a potential treatment of obesity. Mondo family transcription factors including MondoA and carbohydrate response element binding protein (ChREBP) are critical for nutrient-sensing in multiple metabolic organs including the skeletal muscle, liver, adipose tissue and pancreas. Under normal nutrient conditions, MondoA and ChREBP contribute to maintaining metabolic homeostasis. When nutrient is overloaded, Mondo family transcription factors directly regulate glucose and lipid metabolism in brown and beige adipocytes or modulate the crosstalk between metabolic organs. In this review, we aim to provide an overview of recent advances in the understanding of MondoA and ChREBP in sensing nutrients and regulating obesity or related pathological conditions.
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Affiliation(s)
| | | | | | | | - Xuemei Tong
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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6
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Weger M, Weger BD, Schink A, Takamiya M, Stegmaier J, Gobet C, Parisi A, Kobitski AY, Mertes J, Krone N, Strähle U, Nienhaus GU, Mikut R, Gachon F, Gut P, Dickmeis T. MondoA regulates gene expression in cholesterol biosynthesis-associated pathways required for zebrafish epiboly. eLife 2020; 9:e57068. [PMID: 32969791 PMCID: PMC7515633 DOI: 10.7554/elife.57068] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 08/18/2020] [Indexed: 12/18/2022] Open
Abstract
The glucose-sensing Mondo pathway regulates expression of metabolic genes in mammals. Here, we characterized its function in the zebrafish and revealed an unexpected role of this pathway in vertebrate embryonic development. We showed that knockdown of mondoa impaired the early morphogenetic movement of epiboly in zebrafish embryos and caused microtubule defects. Expression of genes in the terpenoid backbone and sterol biosynthesis pathways upstream of pregnenolone synthesis was coordinately downregulated in these embryos, including the most downregulated gene nsdhl. Loss of Nsdhl function likewise impaired epiboly, similar to MondoA loss of function. Both epiboly and microtubule defects were partially restored by pregnenolone treatment. Maternal-zygotic mutants of mondoa showed perturbed epiboly with low penetrance and compensatory changes in the expression of terpenoid/sterol/steroid metabolism genes. Collectively, our results show a novel role for MondoA in the regulation of early vertebrate development, connecting glucose, cholesterol and steroid hormone metabolism with early embryonic cell movements.
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Affiliation(s)
- Meltem Weger
- Institute of Biological and Chemical Systems – Biological Information Processing, Karlsruhe Institute of TechnologyEggenstein-LeopoldshafenGermany
- Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of BirminghamBirminghamUnited Kingdom
- Institute for Molecular Bioscience, The University of QueenslandBrisbaneAustralia
| | - Benjamin D Weger
- Institute of Biological and Chemical Systems – Biological Information Processing, Karlsruhe Institute of TechnologyEggenstein-LeopoldshafenGermany
- Institute for Molecular Bioscience, The University of QueenslandBrisbaneAustralia
- Nestlé Institute of Health Sciences SA, EPFL Innovation ParkLausanneSwitzerland
| | - Andrea Schink
- Institute of Biological and Chemical Systems – Biological Information Processing, Karlsruhe Institute of TechnologyEggenstein-LeopoldshafenGermany
| | - Masanari Takamiya
- Institute of Biological and Chemical Systems – Biological Information Processing, Karlsruhe Institute of TechnologyEggenstein-LeopoldshafenGermany
| | - Johannes Stegmaier
- Institute for Automation and Applied Informatics, Karlsruhe Institute of TechnologyEggenstein-LeopoldshafenGermany
| | - Cédric Gobet
- Nestlé Institute of Health Sciences SA, EPFL Innovation ParkLausanneSwitzerland
| | - Alice Parisi
- Nestlé Institute of Health Sciences SA, EPFL Innovation ParkLausanneSwitzerland
| | - Andrei Yu Kobitski
- Institute of Biological and Chemical Systems – Biological Information Processing, Karlsruhe Institute of TechnologyEggenstein-LeopoldshafenGermany
- Institute of Applied Physics, Karlsruhe Institute of TechnologyKarlsruheGermany
| | - Jonas Mertes
- Institute of Applied Physics, Karlsruhe Institute of TechnologyKarlsruheGermany
| | - Nils Krone
- Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of BirminghamBirminghamUnited Kingdom
| | - Uwe Strähle
- Institute of Biological and Chemical Systems – Biological Information Processing, Karlsruhe Institute of TechnologyEggenstein-LeopoldshafenGermany
| | - Gerd Ulrich Nienhaus
- Institute of Biological and Chemical Systems – Biological Information Processing, Karlsruhe Institute of TechnologyEggenstein-LeopoldshafenGermany
- Institute of Applied Physics, Karlsruhe Institute of TechnologyKarlsruheGermany
- Department of Physics, University of Illinois at Urbana-ChampaignUrbanaUnited States
- Institute of Nanotechnology, Karlsruhe Institute of TechnologyEggenstein-LeopoldshafenGermany
| | - Ralf Mikut
- Institute for Automation and Applied Informatics, Karlsruhe Institute of TechnologyEggenstein-LeopoldshafenGermany
| | - Frédéric Gachon
- Institute for Molecular Bioscience, The University of QueenslandBrisbaneAustralia
- Nestlé Institute of Health Sciences SA, EPFL Innovation ParkLausanneSwitzerland
| | - Philipp Gut
- Nestlé Institute of Health Sciences SA, EPFL Innovation ParkLausanneSwitzerland
| | - Thomas Dickmeis
- Institute of Biological and Chemical Systems – Biological Information Processing, Karlsruhe Institute of TechnologyEggenstein-LeopoldshafenGermany
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7
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Song Z, Yang H, Zhou L, Yang F. Glucose-Sensing Transcription Factor MondoA/ChREBP as Targets for Type 2 Diabetes: Opportunities and Challenges. Int J Mol Sci 2019; 20:E5132. [PMID: 31623194 PMCID: PMC6829382 DOI: 10.3390/ijms20205132] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 10/12/2019] [Accepted: 10/14/2019] [Indexed: 12/16/2022] Open
Abstract
The worldwide increase in type 2 diabetes (T2D) is becoming a major health concern, thus searching for novel preventive and therapeutic strategies has become urgent. In last decade, the paralogous transcription factors MondoA and carbohydrate response element-binding protein (ChREBP) have been revealed to be central mediators of glucose sensing in multiple metabolic organs. Under normal nutrient conditions, MondoA/ChREBP plays vital roles in maintaining glucose homeostasis. However, under chronic nutrient overload, the dysregulation of MondoA/ChREBP contributes to metabolic disorders, such as insulin resistance (IR) and T2D. In this review, we aim to provide an overview of recent advances in the understanding of MondoA/ChREBP and its roles in T2D development. Specifically, we will briefly summarize the functional similarities and differences between MondoA and ChREBP. Then, we will update the roles of MondoA/ChREBP in four T2D-associated metabolic organs (i.e., the skeletal muscle, liver, adipose tissue, and pancreas) in physiological and pathological conditions. Finally, we will discuss the opportunities and challenges of MondoA/ChREBP as drug targets for anti-diabetes. By doing so, we highlight the potential use of therapies targeting MondoA/ChREBP to counteract T2D and its complications.
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Affiliation(s)
- Ziyi Song
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China.
- Departments of Medicine and Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
| | - Hao Yang
- Division of Medical Genetics, Department of Pediatrics, Université de Montréal and CHU Sainte-Justine, Montreal, QC H3T 1C5, Canada.
| | - Lei Zhou
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China.
| | - Fajun Yang
- Departments of Medicine and Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
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8
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Ahn B, Wan S, Jaiswal N, Vega RB, Ayer DE, Titchenell PM, Han X, Won KJ, Kelly DP. MondoA drives muscle lipid accumulation and insulin resistance. JCI Insight 2019; 5:129119. [PMID: 31287806 PMCID: PMC6693825 DOI: 10.1172/jci.insight.129119] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 06/27/2019] [Indexed: 12/22/2022] Open
Abstract
Obesity-related insulin resistance is associated with intramyocellular lipid accumulation in skeletal muscle. We hypothesized that in contrast to current dogma, this linkage is related to an upstream mechanism that coordinately regulates both processes. We demonstrate that the muscle-enriched transcription factor MondoA is glucose/fructose responsive in human skeletal myotubes and directs the transcription of genes in cellular metabolic pathways involved in diversion of energy substrate from a catabolic fate into nutrient storage pathways including fatty acid desaturation and elongation, triacylglyeride (TAG) biosynthesis, glycogen storage, and hexosamine biosynthesis. MondoA also reduces myocyte glucose uptake by suppressing insulin signaling. Mice with muscle-specific MondoA deficiency were partially protected from insulin resistance and muscle TAG accumulation in the context of diet-induced obesity. These results identify MondoA as a nutrient-regulated transcription factor that under normal physiological conditions serves a dynamic checkpoint function to prevent excess energy substrate flux into muscle catabolic pathways when myocyte nutrient balance is positive. However, in conditions of chronic caloric excess, this mechanism becomes persistently activated leading to progressive myocyte lipid storage and insulin resistance.
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Affiliation(s)
| | - Shibiao Wan
- Institute for Diabetes, Obesity and Metabolism, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Natasha Jaiswal
- Institute for Diabetes, Obesity and Metabolism, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Rick B. Vega
- Center for Metabolic Origins of Disease, Sanford Burnham Prebys Medical Discovery Institute at Lake Nona, Orlando, Florida, USA
| | - Donald E. Ayer
- Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah, USA
| | - Paul M. Titchenell
- Institute for Diabetes, Obesity and Metabolism, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Xianlin Han
- Barshop Institute for Longevity and Aging Studies, Departments of Medicine and Biochemistry, University of Texas Health-San Antonio, San Antonio, Texas, USA
| | - Kyoung Jae Won
- Institute for Diabetes, Obesity and Metabolism, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
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9
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Dajani R, Li J, Wei Z, March ME, Xia Q, Khader Y, Hakooz N, Fatahallah R, El-Khateeb M, Arafat A, Saleh T, Dajani AR, Al-Abbadi Z, Abdul Qader M, Shiyab AH, Bateiha A, Ajlouni K, Hakonarson H. Genome-wide association study identifies novel type II diabetes risk loci in Jordan subpopulations. PeerJ 2017; 5:e3618. [PMID: 28828242 PMCID: PMC5563445 DOI: 10.7717/peerj.3618] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 07/06/2017] [Indexed: 12/14/2022] Open
Abstract
The prevalence of Type II Diabetes (T2D) has been increasing and has become a disease of significant public health burden in Jordan. None of the previous genome-wide association studies (GWAS) have specifically investigated the Middle East populations. The Circassian and Chechen communities in Jordan represent unique populations that are genetically distinct from the Arab population and other populations in the Caucasus. Prevalence of T2D is very high in both the Circassian and Chechen communities in Jordan despite low obesity prevalence. We conducted GWAS on T2D in these two populations and further performed meta-analysis of the results. We identified a novel T2D locus at chr20p12.2 at genome-wide significance (rs6134031, P = 1.12 × 10−8) and we replicated the results in the Wellcome Trust Case Control Consortium (WTCCC) dataset. Another locus at chr12q24.31 is associated with T2D at suggestive significance level (top SNP rs4758690, P = 4.20 × 10−5) and it is a robust eQTL for the gene, MLXIP (P = 1.10 × 10−14), and is significantly associated with methylation level in MLXIP, the functions of which involves cellular glucose response. Therefore, in this first GWAS of T2D in Jordan subpopulations, we identified novel and unique susceptibility loci which may help inform the genetic underpinnings of T2D in other populations.
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Affiliation(s)
- Rana Dajani
- Department of Biology and Biotechnology, Hashemite University, Zarqa, Jordan
| | - Jin Li
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, PA, United States of America.,Department of Cell Biology, Tianjin Medical University, Tianjin, China
| | - Zhi Wei
- Department of Computer Science, New Jersey Institute of Technology, Newark, NJ, United States of America
| | - Michael E March
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, PA, United States of America
| | - Qianghua Xia
- Department of Cell Biology, Tianjin Medical University, Tianjin, China.,Divisions of Human Genetics, The Children's Hospital of Philadelphia, Philadelphia, PA, United States of America
| | - Yousef Khader
- Department of Community Medicine, Public Health and Family Medicine, Faculty of Medicine, Jordan University for Science and Technology, Irbid, Jordan
| | - Nancy Hakooz
- Department of Biopharmaceutics and Clinical Pharmacy, School of Pharmacy, University of Jordan, Amman, Jordan
| | - Raja Fatahallah
- National Center for Diabetes, Endocrinology and Genetics, Amman, Jordan
| | | | - Ala Arafat
- National Center for Diabetes, Endocrinology and Genetics, Amman, Jordan
| | - Tareq Saleh
- Department of Biology and Biotechnology, Hashemite University, Zarqa, Jordan
| | - Abdel Rahman Dajani
- Department of Biology and Biotechnology, Hashemite University, Zarqa, Jordan
| | - Zaid Al-Abbadi
- Department of Biology and Biotechnology, Hashemite University, Zarqa, Jordan
| | - Mohamed Abdul Qader
- Department of Biology and Biotechnology, Hashemite University, Zarqa, Jordan
| | | | - Anwar Bateiha
- Department of Community Medicine, Public Health and Family Medicine, Faculty of Medicine, Jordan University for Science and Technology, Irbid, Jordan
| | - Kamel Ajlouni
- National Center for Diabetes, Endocrinology and Genetics, Amman, Jordan
| | - Hakon Hakonarson
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, PA, United States of America.,Divisions of Human Genetics, The Children's Hospital of Philadelphia, Philadelphia, PA, United States of America.,The Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States of America
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10
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Richards P, Ourabah S, Montagne J, Burnol AF, Postic C, Guilmeau S. MondoA/ChREBP: The usual suspects of transcriptional glucose sensing; Implication in pathophysiology. Metabolism 2017; 70:133-151. [PMID: 28403938 DOI: 10.1016/j.metabol.2017.01.033] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 01/21/2017] [Indexed: 12/22/2022]
Abstract
Identification of the Mondo glucose-responsive transcription factors family, including the MondoA and MondoB/ChREBP paralogs, has shed light on the mechanism whereby glucose affects gene transcription. They have clearly emerged, in recent years, as key mediators of glucose sensing by multiple cell types. MondoA and ChREBP have overlapping yet distinct expression profiles, which underlie their downstream targets and separate roles in regulating genes involved in glucose metabolism. MondoA can restrict glucose uptake and influences energy utilization in skeletal muscle, while ChREBP signals energy storage through de novo lipogenesis in liver and white adipose tissue. Because Mondo proteins mediate metabolic adaptations to changing glucose levels, a better understanding of cellular glucose sensing through Mondo proteins will likely uncover new therapeutic opportunities in the context of the imbalanced glucose homeostasis that accompanies metabolic diseases such as type 2 diabetes and cancer. Here, we provide an overview of structural homologies, transcriptional partners as well as the nutrient and hormonal mechanisms underlying Mondo proteins regulation. We next summarize their relative contribution to energy metabolism changes in physiological states and the evolutionary conservation of these pathways. Finally, we discuss their possible targeting in human pathologies.
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Affiliation(s)
- Paul Richards
- Inserm, U1016, Institut Cochin, Paris, 75014, France; CNRS, UMR 8104, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Sarah Ourabah
- Inserm, U1016, Institut Cochin, Paris, 75014, France; CNRS, UMR 8104, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Jacques Montagne
- Institut for Integrative Biology of the Cell (I2BC), CNRS, Université Paris-Sud, CEA, UMR 9198, F-91190, Gif-sur-Yvette, France
| | - Anne-Françoise Burnol
- Inserm, U1016, Institut Cochin, Paris, 75014, France; CNRS, UMR 8104, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Catherine Postic
- Inserm, U1016, Institut Cochin, Paris, 75014, France; CNRS, UMR 8104, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Sandra Guilmeau
- Inserm, U1016, Institut Cochin, Paris, 75014, France; CNRS, UMR 8104, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France.
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11
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Hunt LC, Xu B, Finkelstein D, Fan Y, Carroll PA, Cheng PF, Eisenman RN, Demontis F. The glucose-sensing transcription factor MLX promotes myogenesis via myokine signaling. Genes Dev 2015; 29:2475-89. [PMID: 26584623 PMCID: PMC4691951 DOI: 10.1101/gad.267419.115] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 10/26/2015] [Indexed: 11/27/2022]
Abstract
In this study, Hunt et. al. provide novel insight into the regulation of glucose-induced myogenesis. They demonstrate that changes in glucose levels regulate myogenesis by increasing the activity of the glucose-responsive transcription factor MLX, which is necessary and sufficient for myoblast fusion and differentiation. Metabolic stress and changes in nutrient levels modulate many aspects of skeletal muscle function during aging and disease. Growth factors and cytokines secreted by skeletal muscle, known as myokines, are important signaling factors, but it is largely unknown whether they modulate muscle growth and differentiation in response to nutrients. Here, we found that changes in glucose levels increase the activity of the glucose-responsive transcription factor MLX (Max-like protein X), which promotes and is necessary for myoblast fusion. MLX promotes myogenesis not via an adjustment of glucose metabolism but rather by inducing the expression of several myokines, including insulin-like growth factor 2 (IGF2), whereas RNAi and dominant-negative MLX reduce IGF2 expression and block myogenesis. This phenotype is rescued by conditioned medium from control muscle cells and by recombinant IGF2, which activates the myogenic kinase Akt. Importantly, MLX-null mice display decreased IGF2 induction and diminished muscle regeneration in response to injury, indicating that the myogenic function of MLX is manifested in vivo. Thus, glucose is a signaling molecule that regulates myogenesis and muscle regeneration via MLX/IGF2/Akt signaling.
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Affiliation(s)
- Liam C Hunt
- Department of Developmental Neurobiology, Division of Developmental Biology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA
| | - Beisi Xu
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA
| | - David Finkelstein
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA
| | - Yiping Fan
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA
| | - Patrick A Carroll
- Division of Basic Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109, USA
| | - Pei-Feng Cheng
- Division of Basic Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109, USA
| | - Robert N Eisenman
- Division of Basic Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109, USA
| | - Fabio Demontis
- Department of Developmental Neurobiology, Division of Developmental Biology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA
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