1
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Su Y, He S, Chen Q, Zhang H, Huang C, Zhao Q, Pu Y, He X, Jiang L, Ma Y, Zhao Q. Integrative ATAC-seq and RNA-seq analysis of myogenic differentiation of ovine skeletal muscle satellite cell. Genomics 2024; 116:110851. [PMID: 38692440 DOI: 10.1016/j.ygeno.2024.110851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 04/01/2024] [Accepted: 04/28/2024] [Indexed: 05/03/2024]
Abstract
Skeletal muscle satellite cells (SMSCs) play an important role in regulating muscle growth and regeneration. Chromatin accessibility allows physical interactions that synergistically regulate gene expression through enhancers, promoters, insulators, and chromatin binding factors. However, the chromatin accessibility altas and its regulatory role in ovine myoblast differentiation is still unclear. Therefore, ATAC-seq and RNA-seq analysis were performed on ovine SMSCs at the proliferation stage (SCG) and differentiation stage (SCD). 17,460 DARs (differential accessibility regions) and 3732 DEGs (differentially expressed genes) were identified. Based on joint analysis of ATAC-seq and RNA-seq, we revealed that PI3K-Akt, TGF-β and other signaling pathways regulated SMSCs differentiation. We identified two novel candidate genes, FZD5 and MAP2K6, which may affect the proliferation and differentiation of SMSCs. Our data identify potential cis regulatory elements of ovine SMSCs. This study can provide a reference for exploring the mechanisms of the differentiation and regeneration of SMSCs in the future.
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Affiliation(s)
- Yingxiao Su
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193,China
| | - Siqi He
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193,China; College of Animal Science, Shanxi Agricultural University, Taigu 030801, China
| | - Qian Chen
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193,China; College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Hechun Zhang
- Chaoyang Chaomu Breeding Farm Co., LTD, Chaoyang, Liaoning 122629, China
| | - Chang Huang
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193,China; College of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, China
| | - Qian Zhao
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193,China; College of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, China
| | - Yabin Pu
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193,China
| | - Xiaohong He
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193,China
| | - Lin Jiang
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193,China
| | - Yuehui Ma
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193,China
| | - Qianjun Zhao
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193,China.
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2
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Zhu D, Liang H, Du Z, Liu Q, Li G, Zhang W, Wu D, Zhou X, Song Y, Yang C. Altered Metabolism and Inflammation Driven by Post-translational Modifications in Intervertebral Disc Degeneration. RESEARCH (WASHINGTON, D.C.) 2024; 7:0350. [PMID: 38585329 PMCID: PMC10997488 DOI: 10.34133/research.0350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 03/18/2024] [Indexed: 04/09/2024]
Abstract
Intervertebral disc degeneration (IVDD) is a prevalent cause of low back pain and a leading contributor to disability. IVDD progression involves pathological shifts marked by low-grade inflammation, extracellular matrix remodeling, and metabolic disruptions characterized by heightened glycolytic pathways, mitochondrial dysfunction, and cellular senescence. Extensive posttranslational modifications of proteins within nucleus pulposus cells and chondrocytes play crucial roles in reshaping the intervertebral disc phenotype and orchestrating metabolism and inflammation in diverse contexts. This review focuses on the pivotal roles of phosphorylation, ubiquitination, acetylation, glycosylation, methylation, and lactylation in IVDD pathogenesis. It integrates the latest insights into various posttranslational modification-mediated metabolic and inflammatory signaling networks, laying the groundwork for targeted proteomics and metabolomics for IVDD treatment. The discussion also highlights unexplored territories, emphasizing the need for future research, particularly in understanding the role of lactylation in intervertebral disc health, an area currently shrouded in mystery.
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Affiliation(s)
- Dingchao Zhu
- Department of Orthopaedics, Union Hospital, Tongji Medical College,
Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
| | - Huaizhen Liang
- Department of Orthopaedics, Union Hospital, Tongji Medical College,
Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
| | - Zhi Du
- Department of Orthopaedics, Union Hospital, Tongji Medical College,
Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
| | - Qian Liu
- College of Life Sciences,
Wuhan University, Wuhan 430072, Hubei Province, China
| | - Gaocai Li
- Department of Orthopaedics, Union Hospital, Tongji Medical College,
Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
| | - Weifeng Zhang
- Department of Orthopaedics, Union Hospital, Tongji Medical College,
Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
| | - Di Wu
- Department of Orthopaedics, Union Hospital, Tongji Medical College,
Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
| | - Xingyu Zhou
- Department of Orthopaedics, Union Hospital, Tongji Medical College,
Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
| | - Yu Song
- Department of Orthopaedics, Union Hospital, Tongji Medical College,
Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
| | - Cao Yang
- Department of Orthopaedics, Union Hospital, Tongji Medical College,
Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
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3
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Sun J, Yan Q, Zhang Z, Xu T, Gong Y, Li W, Mai K, Ai Q. Exploring the role of SWI/SNF complex subunit BAF60c in lipid metabolism and inflammation in fish. iScience 2023; 26:108207. [PMID: 37942006 PMCID: PMC10628743 DOI: 10.1016/j.isci.2023.108207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/26/2023] [Accepted: 10/11/2023] [Indexed: 11/10/2023] Open
Abstract
Chromatin remodeling plays an important role in regulating gene transcription, in which chromatin remodeling complex is a crucial aspect. Brg1/Brm-associated factor 60c (BAF60c) subunit forms a bridge between chromatin remodeling complexes and transcription factors in mammals; hence, it has received extensive attention. However, the roles of BAF60c in fish remain largely unexplored. In this study, we identified BAF60c-interacting proteins by using HIS-pull-down and LC-MS/MS analysis in fish. Subsequently, the RNA-seq analysis was performed to identify the overall effects of BAF60c. Then, the function of BAF60c was verified through BAF60c knockdown and overexpression experiments. We demonstrated for the first time that BAF60c interacts with glucose-regulated protein 78 (GRP78) and regulates lipid metabolism, endoplasmic reticulum (ER) stress, and inflammation. Knockdown of BAF60c reduces fatty acid biosynthesis, ER stress, and inflammation. In conclusion, the results enriched BAF60c-interacting protein network and explored the function of BAF60c in lipid metabolism and inflammation in fish.
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Affiliation(s)
- Jie Sun
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, People’s Republic of China
| | - Qiuxin Yan
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, People’s Republic of China
| | - Zhihao Zhang
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, People’s Republic of China
| | - Ting Xu
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, People’s Republic of China
| | - Ye Gong
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, People’s Republic of China
| | - Weijia Li
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, People’s Republic of China
| | - Kangsen Mai
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, People’s Republic of China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, 1 Wenhai Road, Qingdao, Shandong 266237, People’s Republic of China
| | - Qinghui Ai
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, People’s Republic of China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, 1 Wenhai Road, Qingdao, Shandong 266237, People’s Republic of China
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4
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Yin S, Liu H, Zhou Z, Xu X, Wang P, Chen W, Deng G, Wang H, Yu H, Gu L, Huo M, Li M, Zeng L, He Y, Zhang C. PUM1 Promotes Tumor Progression by Activating DEPTOR-Meditated Glycolysis in Gastric Cancer. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2301190. [PMID: 37469018 PMCID: PMC10520643 DOI: 10.1002/advs.202301190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 07/05/2023] [Indexed: 07/21/2023]
Abstract
RNA-binding proteins (RBPs) play essential roles in tumorigenesis and progression, but their functions in gastric cancer (GC) remain largely elusive. Here, it is reported that Pumilio 1 (PUM1), an RBP, induces metabolic reprogramming through post-transcriptional regulation of DEP domain-containing mammalian target of rapamycin (mTOR)-interacting protein (DEPTOR) in GC. In clinical samples, elevated expression of PUM1 is associated with recurrence, metastasis, and poor survival. In vitro and in vivo experiments demonstrate that knockdown of PUM1 inhibits the proliferation and metastasis of GC cells. In addition, RNA-sequencing and bioinformatics analyses show that PUM1 is enriched in the glycolysis gene signature. Metabolomics studies confirm that PUM1 deficiency suppresses glycolytic metabolism. Mechanistically, PUM1 binds directly to DEPTOR mRNA pumilio response element to maintain the stability of the transcript and prevent DEPTOR degradation through post-transcriptional pathway. PUM1-mediated DEPTOR upregulation inhibits mTORC1 and alleviates the inhibitory feedback signal transmitted from mTORC1 to PI3K under normal conditions, thus activating the PI3K-Akt signal and glycolysis continuously. Collectively, these results reveal the critical epigenetic role of PUM1 in modulating DEPTOR-dependent GC progression. These conclusions support further clinical investigation of PUM1 inhibitors as a metabolic-targeting treatment strategy for GC.
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Affiliation(s)
- Songcheng Yin
- Digestive Diseases CenterGuangdong Provincial Key Laboratory of Digestive Cancer ResearchThe Seventh Affiliated Hospital of Sun Yat‐sen UniversityShenzhenGuangdong518107China
| | - Huifang Liu
- Digestive Diseases CenterGuangdong Provincial Key Laboratory of Digestive Cancer ResearchThe Seventh Affiliated Hospital of Sun Yat‐sen UniversityShenzhenGuangdong518107China
- Department of RadiotherapyAffiliated Cancer Hospital of Zhengzhou UniversityHenan Cancer HospitalZhengzhouHenan450000China
| | - Zhijun Zhou
- Department of MedicineThe University of Oklahoma Health Sciences CenterOklahoma CityOK 73104USA
| | - Xiaoyu Xu
- Department of Gynecology and ObstetricsThe Seventh Affiliated Hospital of Sun Yat‐sen UniversityShenzhenGuangdong518107China
| | - Pengliang Wang
- Department of Gastrointestinal SurgerySun Yat‐sen Memorial HospitalSun Yat‐sen UniversityGuangzhouGuangdong510120China
| | - Wei Chen
- Digestive Diseases CenterGuangdong Provincial Key Laboratory of Digestive Cancer ResearchThe Seventh Affiliated Hospital of Sun Yat‐sen UniversityShenzhenGuangdong518107China
| | - Guofei Deng
- Digestive Diseases CenterGuangdong Provincial Key Laboratory of Digestive Cancer ResearchThe Seventh Affiliated Hospital of Sun Yat‐sen UniversityShenzhenGuangdong518107China
| | - Han Wang
- Digestive Diseases CenterGuangdong Provincial Key Laboratory of Digestive Cancer ResearchThe Seventh Affiliated Hospital of Sun Yat‐sen UniversityShenzhenGuangdong518107China
| | - Hong Yu
- Digestive Diseases CenterGuangdong Provincial Key Laboratory of Digestive Cancer ResearchThe Seventh Affiliated Hospital of Sun Yat‐sen UniversityShenzhenGuangdong518107China
| | - Liang Gu
- Digestive Diseases CenterGuangdong Provincial Key Laboratory of Digestive Cancer ResearchThe Seventh Affiliated Hospital of Sun Yat‐sen UniversityShenzhenGuangdong518107China
| | - Mingyu Huo
- Digestive Diseases CenterGuangdong Provincial Key Laboratory of Digestive Cancer ResearchThe Seventh Affiliated Hospital of Sun Yat‐sen UniversityShenzhenGuangdong518107China
| | - Min Li
- Department of MedicineThe University of Oklahoma Health Sciences CenterOklahoma CityOK 73104USA
| | - Leli Zeng
- Digestive Diseases CenterGuangdong Provincial Key Laboratory of Digestive Cancer ResearchThe Seventh Affiliated Hospital of Sun Yat‐sen UniversityShenzhenGuangdong518107China
| | - Yulong He
- Digestive Diseases CenterGuangdong Provincial Key Laboratory of Digestive Cancer ResearchThe Seventh Affiliated Hospital of Sun Yat‐sen UniversityShenzhenGuangdong518107China
- Department of Gastrointestinal SurgeryThe First Affiliated Hospital of Sun Yat‐sen UniversityGuangzhouGuangdong510062China
| | - Changhua Zhang
- Digestive Diseases CenterGuangdong Provincial Key Laboratory of Digestive Cancer ResearchThe Seventh Affiliated Hospital of Sun Yat‐sen UniversityShenzhenGuangdong518107China
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5
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Abdelrahman S, Ge R, Susapto HH, Liu Y, Samkari F, Moretti M, Liu X, Hoehndorf R, Emwas AH, Jaremko M, Rawas RH, Hauser CAE. The Impact of Mechanical Cues on the Metabolomic and Transcriptomic Profiles of Human Dermal Fibroblasts Cultured in Ultrashort Self-Assembling Peptide 3D Scaffolds. ACS NANO 2023; 17:14508-14531. [PMID: 37477873 DOI: 10.1021/acsnano.3c01176] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
Cells' interactions with their microenvironment influence their morphological features and regulate crucial cellular functions including proliferation, differentiation, metabolism, and gene expression. Most biological data available are based on in vitro two-dimensional (2D) cellular models, which fail to recapitulate the three-dimensional (3D) in vivo systems. This can be attributed to the lack of cell-matrix interaction and the limitless access to nutrients and oxygen, in contrast to in vivo systems. Despite the emergence of a plethora of 3D matrices to address this challenge, there are few reports offering a proper characterization of these matrices or studying how the cell-matrix interaction influences cellular metabolism in correlation with gene expression. In this study, two tetrameric ultrashort self-assembling peptide sequences, FFIK and FIIK, were used to create in vitro 3D models using well-described human dermal fibroblast cells. The peptide sequences are derived from naturally occurring amino acids that are capable of self-assembling into stable hydrogels without UV or chemical cross-linking. Our results showed that 2D cultured fibroblasts exhibited distinct metabolic and transcriptomic profiles compared to 3D cultured cells. The observed changes in the metabolomic and transcriptomic profiles were closely interconnected and influenced several important metabolic pathways including the TCA cycle, glycolysis, MAPK signaling cascades, and hemostasis. Data provided here may lead to clearer insights into the influence of the surrounding microenvironment on human dermal fibroblast metabolic patterns and molecular mechanisms, underscoring the importance of utilizing efficient 3D in vitro models to study such complex mechanisms.
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Affiliation(s)
- Sherin Abdelrahman
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- KAUST Smart Health Initiative (KSHI), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Red Sea Research Center (RSRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
| | - Rui Ge
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Hepi H Susapto
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Yang Liu
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Faris Samkari
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Manola Moretti
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- KAUST Smart Health Initiative (KSHI), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Red Sea Research Center (RSRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
| | - Xinzhi Liu
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Robert Hoehndorf
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computer, Electrical and Mathematical Sciences & Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
| | - Abdul-Hamid Emwas
- Core Laboratories, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Mariusz Jaremko
- Smart-Health Initiative (SHI) and Red Sea Research Center (RSRC), Division of Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
| | - Ranim H Rawas
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Charlotte A E Hauser
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- KAUST Smart Health Initiative (KSHI), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Red Sea Research Center (RSRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
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6
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Kang JS, Kim D, Rhee J, Seo JY, Park I, Kim JH, Lee D, Lee W, Kim YL, Yoo K, Bae S, Chung J, Seong RH, Kong YY. Baf155 regulates skeletal muscle metabolism via HIF-1a signaling. PLoS Biol 2023; 21:e3002192. [PMID: 37478146 PMCID: PMC10396025 DOI: 10.1371/journal.pbio.3002192] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 06/12/2023] [Indexed: 07/23/2023] Open
Abstract
During exercise, skeletal muscle is exposed to a low oxygen condition, hypoxia. Under hypoxia, the transcription factor hypoxia-inducible factor-1α (HIF-1α) is stabilized and induces expressions of its target genes regulating glycolytic metabolism. Here, using a skeletal muscle-specific gene ablation mouse model, we show that Brg1/Brm-associated factor 155 (Baf155), a core subunit of the switch/sucrose non-fermentable (SWI/SNF) complex, is essential for HIF-1α signaling in skeletal muscle. Muscle-specific ablation of Baf155 increases oxidative metabolism by reducing HIF-1α function, which accompanies the decreased lactate production during exercise. Furthermore, the augmented oxidation leads to high intramuscular adenosine triphosphate (ATP) level and results in the enhancement of endurance exercise capacity. Mechanistically, our chromatin immunoprecipitation (ChIP) analysis reveals that Baf155 modulates DNA-binding activity of HIF-1α to the promoters of its target genes. In addition, for this regulatory function, Baf155 requires a phospho-signal transducer and activator of transcription 3 (pSTAT3), which forms a coactivator complex with HIF-1α, to activate HIF-1α signaling. Our findings reveal the crucial role of Baf155 in energy metabolism of skeletal muscle and the interaction between Baf155 and hypoxia signaling.
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Affiliation(s)
- Jong-Seol Kang
- School of Biological Sciences, Seoul National University, Seoul, South Korea
| | - Dongha Kim
- Department of Anatomy, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Joonwoo Rhee
- School of Biological Sciences, Seoul National University, Seoul, South Korea
| | - Ji-Yun Seo
- School of Biological Sciences, Seoul National University, Seoul, South Korea
| | - Inkuk Park
- School of Biological Sciences, Seoul National University, Seoul, South Korea
| | - Ji-Hoon Kim
- School of Biological Sciences, Seoul National University, Seoul, South Korea
| | - Daewon Lee
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, South Korea
| | - WonUk Lee
- School of Biological Sciences, Seoul National University, Seoul, South Korea
| | - Ye Lynne Kim
- School of Biological Sciences, Seoul National University, Seoul, South Korea
| | - Kyusang Yoo
- School of Biological Sciences, Seoul National University, Seoul, South Korea
| | - Sunghwan Bae
- School of Biological Sciences, Seoul National University, Seoul, South Korea
| | - Jongkyeong Chung
- School of Biological Sciences, Seoul National University, Seoul, South Korea
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, South Korea
| | - Rho Hyun Seong
- School of Biological Sciences, Seoul National University, Seoul, South Korea
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, South Korea
| | - Young-Yun Kong
- School of Biological Sciences, Seoul National University, Seoul, South Korea
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7
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Jin L, Han S, Lv X, Li X, Zhang Z, Kuang H, Chen Z, Lv CA, Peng W, Yang Z, Yang M, Mi L, Liu T, Ma S, Qiu X, Wang Q, Pan X, Shan P, Feng Y, Li J, Wang F, Xie L, Zhao X, Fu JF, Lin JD, Meng ZX. The muscle-enriched myokine Musclin impairs beige fat thermogenesis and systemic energy homeostasis via Tfr1/PKA signaling in male mice. Nat Commun 2023; 14:4257. [PMID: 37468484 PMCID: PMC10356794 DOI: 10.1038/s41467-023-39710-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 06/27/2023] [Indexed: 07/21/2023] Open
Abstract
Skeletal muscle and thermogenic adipose tissue are both critical for the maintenance of body temperature in mammals. However, whether these two tissues are interconnected to modulate thermogenesis and metabolic homeostasis in response to thermal stress remains inconclusive. Here, we report that human and mouse obesity is associated with elevated Musclin levels in both muscle and circulation. Intriguingly, muscle expression of Musclin is markedly increased or decreased when the male mice are housed in thermoneutral or chronic cool conditions, respectively. Beige fat is then identified as the primary site of Musclin action. Muscle-transgenic or AAV-mediated overexpression of Musclin attenuates beige fat thermogenesis, thereby exacerbating diet-induced obesity and metabolic disorders in male mice. Conversely, Musclin inactivation by muscle-specific ablation or neutralizing antibody treatment promotes beige fat thermogenesis and improves metabolic homeostasis in male mice. Mechanistically, Musclin binds to transferrin receptor 1 (Tfr1) and antagonizes Tfr1-mediated cAMP/PKA-dependent thermogenic induction in beige adipocytes. This work defines the temperature-sensitive myokine Musclin as a negative regulator of adipose thermogenesis that exacerbates the deterioration of metabolic health in obese male mice and thus provides a framework for the therapeutic targeting of this endocrine pathway.
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Affiliation(s)
- Lu Jin
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Department of Endocrinology, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Shuang Han
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
- Department of Geriatrics, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Chronic Disease Research Institute, Zhejiang University School of Public Health, Hangzhou, China
| | - Xue Lv
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
- Chronic Disease Research Institute, Zhejiang University School of Public Health, Hangzhou, China
| | - Xiaofei Li
- Department of Sport Medicine, The Lianyungang First People's Hospital, Affiliated Hospital of Xuzhou Medical University, Affiliated Hospital of Kangda College of Nanjing Medical University, Lianyungang, China
| | - Ziyin Zhang
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
- Chronic Disease Research Institute, Zhejiang University School of Public Health, Hangzhou, China
| | - Henry Kuang
- Life Sciences Institute and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, USA
| | - Zhimin Chen
- Life Sciences Institute and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, USA
| | - Cheng-An Lv
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wei Peng
- Department of Endocrinology, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhuoying Yang
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
- Chronic Disease Research Institute, Zhejiang University School of Public Health, Hangzhou, China
| | - Miqi Yang
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
- Chronic Disease Research Institute, Zhejiang University School of Public Health, Hangzhou, China
| | - Lin Mi
- Life Sciences Institute and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, USA
| | - Tongyu Liu
- Life Sciences Institute and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, USA
| | - Shengshan Ma
- Department of Sport Medicine, The Lianyungang First People's Hospital, Affiliated Hospital of Xuzhou Medical University, Affiliated Hospital of Kangda College of Nanjing Medical University, Lianyungang, China
| | - Xinyuan Qiu
- Department of Biology and Chemistry, College of Science, National University of Defense Technology, Changsha, China
| | - Qintao Wang
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
- Chronic Disease Research Institute, Zhejiang University School of Public Health, Hangzhou, China
| | - Xiaowen Pan
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Pengfei Shan
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yu Feng
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Jin Li
- The Second Affiliated Hospital, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Fudi Wang
- The Second Affiliated Hospital, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Liwei Xie
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Xuyun Zhao
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Key Laboratory of Cell Differentiation and Apoptosis of National Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jun-Fen Fu
- Department of Endocrinology, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Jiandie D Lin
- Life Sciences Institute and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, USA
| | - Zhuo-Xian Meng
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China.
- Department of Geriatrics, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Chronic Disease Research Institute, Zhejiang University School of Public Health, Hangzhou, China.
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8
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Xin H, Huang R, Zhou M, Chen J, Zhang J, Zhou T, Ji S, Liu X, Tian H, Lam SM, Bao X, Li L, Tong S, Deng F, Shui G, Zhang Z, Wong CCL, Li MD. Daytime-restricted feeding enhances running endurance without prior exercise in mice. Nat Metab 2023; 5:1236-1251. [PMID: 37365376 DOI: 10.1038/s42255-023-00826-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 05/17/2023] [Indexed: 06/28/2023]
Abstract
Physical endurance and energy conservation are essential for survival in the wild. However, it remains unknown whether and how meal timing regulates physical endurance and muscle diurnal rhythms. Here, we show that day/sleep time-restricted feeding (DRF) enhances running endurance by 100% throughout the circadian cycle in both male and female mice, compared to either ad libitum feeding or night/wake time-restricted feeding. Ablation of the circadian clock in the whole body or the muscle abolished the exercise regulatory effect of DRF. Multi-omics analysis revealed that DRF robustly entrains diurnal rhythms of a mitochondrial oxidative metabolism-centric network, compared to night/wake time-restricted feeding. Remarkably, muscle-specific knockdown of the myocyte lipid droplet protein perilipin-5 completely mimics DRF in enhancing endurance, enhancing oxidative bioenergetics and outputting rhythmicity to circulating energy substrates, including acylcarnitine. Together, our work identifies a potent dietary regimen to enhance running endurance without prior exercise, as well as providing a multi-omics atlas of muscle circadian biology regulated by meal timing.
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Affiliation(s)
- Haoran Xin
- Department of Cardiovascular Medicine, Center for Circadian Metabolism and Cardiovascular Disease, Southwest Hospital, Army Medical University, Chongqing, China
| | - Rongfeng Huang
- Department of Cardiovascular Medicine, Center for Circadian Metabolism and Cardiovascular Disease, Southwest Hospital, Army Medical University, Chongqing, China
| | - Meiyu Zhou
- Department of Cardiovascular Medicine, Center for Circadian Metabolism and Cardiovascular Disease, Southwest Hospital, Army Medical University, Chongqing, China
| | - Jianghui Chen
- Department of Cardiovascular Medicine, Center for Circadian Metabolism and Cardiovascular Disease, Southwest Hospital, Army Medical University, Chongqing, China
- Department of Cardiology, Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jianxin Zhang
- Department of Cardiovascular Medicine, Center for Circadian Metabolism and Cardiovascular Disease, Southwest Hospital, Army Medical University, Chongqing, China
| | - Tingting Zhou
- Chinese Academy of Medical Science & Peking Union Medical College, Beijing, China
| | - Shushen Ji
- Department of Bioinformatics, GFK Biotech, Shanghai, China
| | - Xiao Liu
- Department of Bioinformatics, GFK Biotech, Shanghai, China
| | - He Tian
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
| | - Sin Man Lam
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
- LipidALL Technologies, Changzhou, China
| | - Xinyu Bao
- Department of Cardiovascular Medicine, Center for Circadian Metabolism and Cardiovascular Disease, Southwest Hospital, Army Medical University, Chongqing, China
| | - Lihua Li
- Department of Cardiovascular Medicine, Center for Circadian Metabolism and Cardiovascular Disease, Southwest Hospital, Army Medical University, Chongqing, China
| | - Shifei Tong
- Department of Cardiology, Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Fang Deng
- Department of Pathophysiology, College of High Altitude Military Medicine, Army Medical University, Chongqing, China
| | - Guanghou Shui
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
| | - Zhihui Zhang
- Department of Cardiovascular Medicine, Center for Circadian Metabolism and Cardiovascular Disease, Southwest Hospital, Army Medical University, Chongqing, China.
| | - Catherine C L Wong
- Chinese Academy of Medical Science & Peking Union Medical College, Beijing, China.
- Tsinghua University-Peking University Joint Center for Life Sciences, Tsinghua University, Beijing, China.
| | - Min-Dian Li
- Department of Cardiovascular Medicine, Center for Circadian Metabolism and Cardiovascular Disease, Southwest Hospital, Army Medical University, Chongqing, China.
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9
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Li J, Li Y, Suo X, Li J, Huang D, Kou G. "Biqi" Bayberry Extract Promotes Skeletal Muscle Fiber Type Remodeling by Increasing Fast Myofiber Formation via the Akt/FoxO1 Pathway in Mice. Foods 2023; 12:2471. [PMID: 37444209 DOI: 10.3390/foods12132471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023] Open
Abstract
Bayberry is known to be a rich source of natural flavonoids and has been reported to have various health-promoting abilities. However, its function on regulating skeletal muscle fiber type remains unclear. This study examined whether bayberry extract affects skeletal muscle fiber type by promoting fast myofiber formation, as well as the potential molecular mechanism. After eight weeks, the "Biqi" bayberry extract (BBE) groups mice displayed markedly enhanced grip strength and improved metabolic rate compared to the control group mice. BBE also significantly increased myofibers size, LDH activity, MyHC-IIb (fast-twitch mRNA) expression, and the percentage of fast-twitch myofibers, while decreasing SDH activity, MyHC-I (slow-twitch mRNA) expression, and slow-twitch myofibers percentage in the skeletal muscle of the mice. The effect of BBE on regulating skeletal muscle fiber type remodeling is likely attributed to its activation of the Akt-FoxO1 pathway. Our findings indicated that BBE can effectively regulate the expression and proportion of fast-twitch fibers, making it a potential therapy for improving glucose homeostasis of skeletal muscle.
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Affiliation(s)
- Jinjie Li
- Centre for Nutritional Ecology and Centre for Sport Nutrition and Health, Zhengzhou University, Zhengzhou 450001, China
| | - Yi Li
- Zhejiang Citrus Research Institute, Taizhou 318000, China
| | - Xiangying Suo
- Department of Nutrition and Food Hygiene, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Jiangtao Li
- Centre for Nutritional Ecology and Centre for Sport Nutrition and Health, Zhengzhou University, Zhengzhou 450001, China
| | - Da Huang
- Centre for Nutritional Ecology and Centre for Sport Nutrition and Health, Zhengzhou University, Zhengzhou 450001, China
| | - Guangning Kou
- Centre for Nutritional Ecology and Centre for Sport Nutrition and Health, Zhengzhou University, Zhengzhou 450001, China
- Department of Nutrition and Food Hygiene, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
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10
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Sadaki S, Fujita R, Hayashi T, Nakamura A, Okamura Y, Fuseya S, Hamada M, Warabi E, Kuno A, Ishii A, Muratani M, Okada R, Shiba D, Kudo T, Takeda S, Takahashi S. Large Maf transcription factor family is a major regulator of fast type IIb myofiber determination. Cell Rep 2023; 42:112289. [PMID: 36952339 DOI: 10.1016/j.celrep.2023.112289] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 01/31/2023] [Accepted: 03/06/2023] [Indexed: 03/24/2023] Open
Abstract
Myofibers are broadly characterized as fatigue-resistant slow-twitch (type I) fibers and rapidly fatiguing fast-twitch (type IIa/IIx/IIb) fibers. However, the molecular regulation of myofiber type is not entirely understood; particularly, information on regulators of fast-twitch muscle is scarce. Here, we demonstrate that the large Maf transcription factor family dictates fast type IIb myofiber specification in mice. Remarkably, the ablation of three large Mafs leads to the drastic loss of type IIb myofibers, resulting in enhanced endurance capacity and the reduction of muscle force. Conversely, the overexpression of each large Maf in the type I soleus muscle induces type IIb myofibers. Mechanistically, a large Maf directly binds to the Maf recognition element on the promoter of myosin heavy chain 4, which encodes the type IIb myosin heavy chain, driving its expression. This work identifies the large Maf transcription factor family as a major regulator for fast type IIb muscle determination.
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Affiliation(s)
- Shunya Sadaki
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan; Ph.D. Program in Humanics, School of Integrative and Global Majors, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Ryo Fujita
- Division of Regenerative Medicine, Transborder Medical Research Center, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan.
| | - Takuto Hayashi
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan; Doctoral Program in Biomedical Sciences, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Ayano Nakamura
- College of Medicine, School of Medicine and Health Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Yui Okamura
- College of Medicine, School of Medicine and Health Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Sayaka Fuseya
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Michito Hamada
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Eiji Warabi
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Akihiro Kuno
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Akiko Ishii
- Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Masafumi Muratani
- Department of Genome Biology, Transborder Medical Research Center, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Risa Okada
- JEM Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency (JAXA), Tsukuba, Ibaraki 305-8505, Japan
| | - Dai Shiba
- JEM Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency (JAXA), Tsukuba, Ibaraki 305-8505, Japan
| | - Takashi Kudo
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Shin'ichi Takeda
- Department of Molecular Therapy, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4-1-1 Ogawa-higashi, Kodaira, Tokyo 187-8502, Japan
| | - Satoru Takahashi
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan.
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11
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Hayashi T, Fujita R, Okada R, Hamada M, Suzuki R, Fuseya S, Leckey J, Kanai M, Inoue Y, Sadaki S, Nakamura A, Okamura Y, Abe C, Morita H, Aiba T, Senkoji T, Shimomura M, Okada M, Kamimura D, Yumoto A, Muratani M, Kudo T, Shiba D, Takahashi S. Lunar gravity prevents skeletal muscle atrophy but not myofiber type shift in mice. Commun Biol 2023; 6:424. [PMID: 37085700 PMCID: PMC10121599 DOI: 10.1038/s42003-023-04769-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Accepted: 03/28/2023] [Indexed: 04/23/2023] Open
Abstract
Skeletal muscle is sensitive to gravitational alterations. We recently developed a multiple artificial-gravity research system (MARS), which can generate gravity ranging from microgravity to Earth gravity (1 g) in space. Using the MARS, we studied the effects of three different gravitational levels (microgravity, lunar gravity [1/6 g], and 1 g) on the skeletal muscle mass and myofiber constitution in mice. All mice survived and returned to Earth, and skeletal muscle was collected two days after landing. We observed that microgravity-induced soleus muscle atrophy was prevented by lunar gravity. However, lunar gravity failed to prevent the slow-to-fast myofiber transition in the soleus muscle in space. These results suggest that lunar gravity is enough to maintain proteostasis, but a greater gravitational force is required to prevent the myofiber type transition. Our study proposes that different gravitational thresholds may be required for skeletal muscle adaptation.
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Affiliation(s)
- Takuto Hayashi
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
- Doctoral Program in Biomedical Sciences, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Ibaraki, 305-8575, Japan
| | - Ryo Fujita
- Divsion of Regenerative Medicine, Transborder Medical Research Center, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
| | - Risa Okada
- JEM Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency (JAXA), Ibaraki, 305-8505, Japan
| | - Michito Hamada
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
- Mouse Epigenetics Project, ISS/Kibo experiment, JAXA, Ibaraki, 305-8505, Japan
| | - Riku Suzuki
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
- Ph.D. Program in Human Biology, School of Integrative and Global Majors, University of Tsukuba, Ibaraki, 305-8575, Japan
| | - Sayaka Fuseya
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
| | - James Leckey
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
| | - Maho Kanai
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
- Ph.D. Program in Human Biology, School of Integrative and Global Majors, University of Tsukuba, Ibaraki, 305-8575, Japan
| | - Yuri Inoue
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
- Doctoral Program in Biomedical Sciences, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Ibaraki, 305-8575, Japan
| | - Shunya Sadaki
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
- Ph.D. Program in Humanics, School of Integrative and Global Majors, University of Tsukuba, Ibaraki, 305-8575, Japan
| | - Ayano Nakamura
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
- College of Medicine, School of Medicine and Health Sciences, University of Tsukuba, Ibaraki, 305-8575, Japan
| | - Yui Okamura
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
- College of Medicine, School of Medicine and Health Sciences, University of Tsukuba, Ibaraki, 305-8575, Japan
| | - Chikara Abe
- Department of Physiology, Gifu University Graduate School of Medicine, Gifu, 501-1194, Japan
| | - Hironobu Morita
- Mouse Epigenetics Project, ISS/Kibo experiment, JAXA, Ibaraki, 305-8505, Japan
- Department of Nutrition Management, Tokai Gakuin University, Gifu, 504-8511, Japan
| | - Tatsuya Aiba
- JEM Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency (JAXA), Ibaraki, 305-8505, Japan
| | - Teruhiro Senkoji
- JEM Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency (JAXA), Ibaraki, 305-8505, Japan
| | - Michihiko Shimomura
- JEM Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency (JAXA), Ibaraki, 305-8505, Japan
- Mouse Epigenetics Project, ISS/Kibo experiment, JAXA, Ibaraki, 305-8505, Japan
| | - Maki Okada
- JEM Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency (JAXA), Ibaraki, 305-8505, Japan
| | - Daisuke Kamimura
- JEM Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency (JAXA), Ibaraki, 305-8505, Japan
| | - Akane Yumoto
- JEM Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency (JAXA), Ibaraki, 305-8505, Japan
- Mouse Epigenetics Project, ISS/Kibo experiment, JAXA, Ibaraki, 305-8505, Japan
| | - Masafumi Muratani
- Mouse Epigenetics Project, ISS/Kibo experiment, JAXA, Ibaraki, 305-8505, Japan
- Department of Genome Biology, Transborder Medical Research Center, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
| | - Takashi Kudo
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan.
- Mouse Epigenetics Project, ISS/Kibo experiment, JAXA, Ibaraki, 305-8505, Japan.
| | - Dai Shiba
- JEM Utilization Center, Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency (JAXA), Ibaraki, 305-8505, Japan.
- Mouse Epigenetics Project, ISS/Kibo experiment, JAXA, Ibaraki, 305-8505, Japan.
| | - Satoru Takahashi
- Laboratory Animal Resource Center in Transborder Medical Research Center, and Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan.
- Mouse Epigenetics Project, ISS/Kibo experiment, JAXA, Ibaraki, 305-8505, Japan.
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12
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Henrot P, Dupin I, Schilfarth P, Esteves P, Blervaque L, Zysman M, Gouzi F, Hayot M, Pomiès P, Berger P. Main Pathogenic Mechanisms and Recent Advances in COPD Peripheral Skeletal Muscle Wasting. Int J Mol Sci 2023; 24:ijms24076454. [PMID: 37047427 PMCID: PMC10095391 DOI: 10.3390/ijms24076454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 04/14/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a worldwide prevalent respiratory disease mainly caused by tobacco smoke exposure. COPD is now considered as a systemic disease with several comorbidities. Among them, skeletal muscle dysfunction affects around 20% of COPD patients and is associated with higher morbidity and mortality. Although the histological alterations are well characterized, including myofiber atrophy, a decreased proportion of slow-twitch myofibers, and a decreased capillarization and oxidative phosphorylation capacity, the molecular basis for muscle atrophy is complex and remains partly unknown. Major difficulties lie in patient heterogeneity, accessing patients' samples, and complex multifactorial process including extrinsic mechanisms, such as tobacco smoke or disuse, and intrinsic mechanisms, such as oxidative stress, hypoxia, or systemic inflammation. Muscle wasting is also a highly dynamic process whose investigation is hampered by the differential protein regulation according to the stage of atrophy. In this review, we report and discuss recent data regarding the molecular alterations in COPD leading to impaired muscle mass, including inflammation, hypoxia and hypercapnia, mitochondrial dysfunction, diverse metabolic changes such as oxidative and nitrosative stress and genetic and epigenetic modifications, all leading to an impaired anabolic/catabolic balance in the myocyte. We recapitulate data concerning skeletal muscle dysfunction obtained in the different rodent models of COPD. Finally, we propose several pathways that should be investigated in COPD skeletal muscle dysfunction in the future.
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Affiliation(s)
- Pauline Henrot
- Centre de Recherche Cardio-Thoracique de Bordeaux, Univ. Bordeaux, U1045, F-33604 Pessac, France
- INSERM, Centre de Recherche Cardio-Thoracique de Bordeaux, U1045, CIC 1401, F-33604 Pessac, France
- CHU de Bordeaux, Service d'Exploration Fonctionnelle Respiratoire, CIC 1401, Service de Pneumologie, F-33604 Pessac, France
| | - Isabelle Dupin
- Centre de Recherche Cardio-Thoracique de Bordeaux, Univ. Bordeaux, U1045, F-33604 Pessac, France
- INSERM, Centre de Recherche Cardio-Thoracique de Bordeaux, U1045, CIC 1401, F-33604 Pessac, France
| | - Pierre Schilfarth
- Centre de Recherche Cardio-Thoracique de Bordeaux, Univ. Bordeaux, U1045, F-33604 Pessac, France
- INSERM, Centre de Recherche Cardio-Thoracique de Bordeaux, U1045, CIC 1401, F-33604 Pessac, France
- CHU de Bordeaux, Service d'Exploration Fonctionnelle Respiratoire, CIC 1401, Service de Pneumologie, F-33604 Pessac, France
| | - Pauline Esteves
- Centre de Recherche Cardio-Thoracique de Bordeaux, Univ. Bordeaux, U1045, F-33604 Pessac, France
- INSERM, Centre de Recherche Cardio-Thoracique de Bordeaux, U1045, CIC 1401, F-33604 Pessac, France
| | - Léo Blervaque
- PhyMedExp, INSERM-CNRS-Montpellier University, F-34090 Montpellier, France
| | - Maéva Zysman
- Centre de Recherche Cardio-Thoracique de Bordeaux, Univ. Bordeaux, U1045, F-33604 Pessac, France
- INSERM, Centre de Recherche Cardio-Thoracique de Bordeaux, U1045, CIC 1401, F-33604 Pessac, France
- CHU de Bordeaux, Service d'Exploration Fonctionnelle Respiratoire, CIC 1401, Service de Pneumologie, F-33604 Pessac, France
| | - Fares Gouzi
- PhyMedExp, INSERM-CNRS-Montpellier University, CHRU Montpellier, F-34090 Montpellier, France
| | - Maurice Hayot
- PhyMedExp, INSERM-CNRS-Montpellier University, CHRU Montpellier, F-34090 Montpellier, France
| | - Pascal Pomiès
- PhyMedExp, INSERM-CNRS-Montpellier University, F-34090 Montpellier, France
| | - Patrick Berger
- Centre de Recherche Cardio-Thoracique de Bordeaux, Univ. Bordeaux, U1045, F-33604 Pessac, France
- INSERM, Centre de Recherche Cardio-Thoracique de Bordeaux, U1045, CIC 1401, F-33604 Pessac, France
- CHU de Bordeaux, Service d'Exploration Fonctionnelle Respiratoire, CIC 1401, Service de Pneumologie, F-33604 Pessac, France
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13
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Li Y, Yang Z, Wang Y, Fan M, Nie C, Xue L, Wang L, Qian H. Low-Carbohydrate Diet Modulates Glucose-Lipid Utilization in Skeletal Muscle of Diabetic Mice. Nutrients 2023; 15:nu15061513. [PMID: 36986243 PMCID: PMC10051166 DOI: 10.3390/nu15061513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/13/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
Type 2 diabetes is associated with many complications, including skeletal muscle atrophy. Ketogenic diets and low-carbohydrate diets (LCD) have recently been introduced as dietary interventions in patients with diabetes, but their effects on glucose and lipid metabolism in skeletal muscle have not been studied. In the current study, we compared the effects of LCD and ketogenic diet on glucose and lipid metabolism in skeletal muscle of diabetic mice. C57BL/6J mice with type 2 diabetes, constructed by a high-fat diet combined with streptozotocin, were fed a standard diet, a high-fat diet, an LCD, or a ketogenic diet for 14 weeks, respectively. Here, we found that the LCD, rather than the ketogenic diet, retained skeletal muscle weight and suppressed the expression of atrophy-related genes in diabetic mice. In addition, the LCD had more glycolytic/type IIb myofiber content and inhibited forkhead box O1 and pyruvate dehydrogenase kinase 4 expression, leading to improved glucose utilization. However, the ketogenic diet maintained more oxidative/type I myofibers. Moreover, compared with the ketogenic diet, the LCD decreased intramuscular triglycerides content and muscle lipolysis, suggesting improvement in lipid metabolism. Taken together, these data suggested that the LCD improved glucose utilization, and inhibited lipolysis and atrophy in skeletal muscle of diabetic mice, while the ketogenic diet showed metabolic disorders in skeletal muscle.
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Affiliation(s)
- Yan Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Zi Yang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yu Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Mingcong Fan
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Chenzhipeng Nie
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Lamei Xue
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Li Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Haifeng Qian
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
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14
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Wu YL, Lin ZJ, Li CC, Lin X, Shan SK, Guo B, Zheng MH, Li F, Yuan LQ, Li ZH. Epigenetic regulation in metabolic diseases: mechanisms and advances in clinical study. Signal Transduct Target Ther 2023; 8:98. [PMID: 36864020 PMCID: PMC9981733 DOI: 10.1038/s41392-023-01333-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 01/02/2023] [Accepted: 01/18/2023] [Indexed: 03/04/2023] Open
Abstract
Epigenetics regulates gene expression and has been confirmed to play a critical role in a variety of metabolic diseases, such as diabetes, obesity, non-alcoholic fatty liver disease (NAFLD), osteoporosis, gout, hyperthyroidism, hypothyroidism and others. The term 'epigenetics' was firstly proposed in 1942 and with the development of technologies, the exploration of epigenetics has made great progresses. There are four main epigenetic mechanisms, including DNA methylation, histone modification, chromatin remodelling, and noncoding RNA (ncRNA), which exert different effects on metabolic diseases. Genetic and non-genetic factors, including ageing, diet, and exercise, interact with epigenetics and jointly affect the formation of a phenotype. Understanding epigenetics could be applied to diagnosing and treating metabolic diseases in the clinic, including epigenetic biomarkers, epigenetic drugs, and epigenetic editing. In this review, we introduce the brief history of epigenetics as well as the milestone events since the proposal of the term 'epigenetics'. Moreover, we summarise the research methods of epigenetics and introduce four main general mechanisms of epigenetic modulation. Furthermore, we summarise epigenetic mechanisms in metabolic diseases and introduce the interaction between epigenetics and genetic or non-genetic factors. Finally, we introduce the clinical trials and applications of epigenetics in metabolic diseases.
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Affiliation(s)
- Yan-Lin Wu
- National Clinical Research Center for Metabolic Disease, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Zheng-Jun Lin
- Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Chang-Chun Li
- National Clinical Research Center for Metabolic Disease, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Xiao Lin
- Department of Radiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Su-Kang Shan
- National Clinical Research Center for Metabolic Disease, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Bei Guo
- National Clinical Research Center for Metabolic Disease, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Ming-Hui Zheng
- National Clinical Research Center for Metabolic Disease, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Fuxingzi Li
- National Clinical Research Center for Metabolic Disease, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Ling-Qing Yuan
- National Clinical Research Center for Metabolic Disease, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.
| | - Zhi-Hong Li
- Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China. .,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.
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15
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Bai W, Zhang Y, Ma J, Du M, Xu H, Wang J, Zhang L, Li W, Hou Y, Liu X, Zhang X, Peng Y, Li J, Zhan X, Jiang W, Liu S, Liu X, Li Q, Miao Y, Sui M, Yang Y, Zhang S, Xu Z, Zuo B. FHL3 promotes the formation of fast glycolytic muscle fibers by interacting with YY1 and muscle glycolytic metabolism. Cell Mol Life Sci 2023; 80:27. [PMID: 36602641 PMCID: PMC11073127 DOI: 10.1007/s00018-022-04680-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 12/17/2022] [Accepted: 12/19/2022] [Indexed: 01/06/2023]
Abstract
The proportions of the various muscle fiber types are important in the regulation of skeletal muscle metabolism, as well as animal meat production. Four-and-a-half LIM domain protein 3 (FHL3) is highly expressed in fast glycolytic muscle fibers and differentially regulates the expression of myosin heavy chain (MyHC) isoforms at the cellular level. Whether FHL3 regulates the transformation of muscle fiber types in vivo and the regulatory mechanism is unclear. In this study, muscle-specific FHL3 transgenic mice were generated by random integration, and lentivirus-mediated gene knockdown or overexpression in muscles of mice or pigs was conducted. Functional analysis showed that overexpression of FHL3 in muscles significantly increased the proportion of fast-twitch myofibers and muscle mass but decreased muscle succinate dehydrogenase (SDH) activity and whole-body oxygen consumption. Lentivirus-mediated FHL3 knockdown in muscles significantly decreased muscle mass and the proportion of fast-twitch myofibers. Mechanistically, FHL3 directly interacted with the Yin yang 1 (YY1) DNA-binding domain, repressed the binding of YY1 to the fast glycolytic MyHC2b gene regulatory region, and thereby promoted MyHC2b expression. FHL3 also competed with EZH2 to bind the repression domain of YY1 and reduced H3K27me3 enrichment in the MyHC2b regulatory region. Moreover, FHL3 overexpression reduced glucose tolerance by affecting muscle glycolytic metabolism, and its mRNA expression in muscle was positively associated with hemoglobin A1c (HbA1c) in patients with type 2 diabetes. Therefore, FHL3 is a novel potential target gene for the treatment of muscle metabolism-related diseases and improvement of animal meat production.
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Affiliation(s)
- Wei Bai
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Yunxia Zhang
- Institute of Neuroscience and Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, China
| | - Jun Ma
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Mengmeng Du
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Haiyang Xu
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Jian Wang
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Lu Zhang
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Wentao Li
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Yunqing Hou
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Xiaomeng Liu
- Institute of Neuroscience and Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, China
- Department of Nutrition and Food Hygiene, College of Public Health, Xinxiang Medical University, Xinxiang, 453003, Henan, China
| | - Xinyue Zhang
- Institute of Neuroscience and Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, China
| | - Yaxin Peng
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Jianan Li
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Xizhen Zhan
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Wei Jiang
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Shengsi Liu
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Xiao Liu
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Qinying Li
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Yang Miao
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China
| | - Mengru Sui
- Institute of Neuroscience and Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, China
| | - Yuhan Yang
- Institute of Neuroscience and Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, China
| | - Shenghao Zhang
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Zaiyan Xu
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.
| | - Bo Zuo
- Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.
- Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, Huazhong Agricultural University, Wuhan, China.
- Hubei Hongshan Laboratory, Wuhan, China.
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16
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Li B, Dang X, Duan J, Zhang G, Zhang J, Song Q. SIX4 upregulates IDH1 and metabolic reprogramming to promote osteosarcoma progression. J Cell Mol Med 2023; 27:259-265. [PMID: 36601689 PMCID: PMC9843517 DOI: 10.1111/jcmm.17650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 10/18/2022] [Accepted: 12/06/2022] [Indexed: 01/06/2023] Open
Abstract
Metabolism reprogramming plays an important role in tumorigenesis and osteosarcoma metastasis. Sine oculis homeobox 4 (SIX4) is reported to be a key transcription factor that is involved in glycolysis reprogramming of cancer cells. However, the role of SIX4 in osteosarcoma progression remains unknown. The expression profile of SIX4 in OS was evaluated in surgery samples of osteosarcoma patients. Functional studies were performed in vitro and in vivo. We found that SIX4 is significantly overexpressed in osteosarcoma and related to the undesirable prognosis of osteosarcoma patients. SIX4 promotes progression of osteosarcoma via upregulating isocitrate dehydrogenase 1 (IDH1), which provides novel prognostic biomarkers and promising therapeutic targets for osteosarcoma patients.
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Affiliation(s)
- Bing Li
- Department of OrthopaedicsThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina,Department of Orthopaedics, Xi'an No.3 HospitalThe Affiliated Hospital of Northwest UniversityXi'anChina
| | - Xiaoqian Dang
- Department of OrthopaedicsThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Jiafeng Duan
- Department of Implant, Nobel Stomatology HospitalXi'anChina
| | - Guangyang Zhang
- Department of OrthopaedicsThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Jia Zhang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of StomatologyXi'an Jiaotong UniversityXi'anChina
| | - Qichun Song
- Department of OrthopaedicsThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
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17
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D'Ercole C, D'Angelo P, Ruggieri V, Proietti D, Virtanen L, Parisi C, Riera CS, Renzini A, Macone A, Marzullo M, Ciapponi L, Bonvissuto D, Sette C, Giordani L, Madaro L. Spatially resolved transcriptomics reveals innervation-responsive functional clusters in skeletal muscle. Cell Rep 2022; 41:111861. [PMID: 36543136 DOI: 10.1016/j.celrep.2022.111861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 10/16/2022] [Accepted: 11/29/2022] [Indexed: 12/24/2022] Open
Abstract
Striated muscle is a highly organized structure composed of well-defined anatomical domains with integrated but distinct assignments. So far, the lack of a direct correlation between tissue architecture and gene expression has limited our understanding of how each unit responds to physio-pathologic contexts. Here, we show how the combined use of spatially resolved transcriptomics and immunofluorescence can bridge this gap by enabling the unbiased identification of such domains and the characterization of their response to external perturbations. Using a spatiotemporal analysis, we follow changes in the transcriptome of specific domains in muscle in a model of denervation. Furthermore, our approach enables us to identify the spatial distribution and nerve dependence of atrophic signaling pathway and polyamine metabolism to glycolytic fibers. Indeed, we demonstrate that perturbations of polyamine pathway can affect muscle function. Our dataset serves as a resource for future studies of the mechanisms underlying skeletal muscle homeostasis and innervation.
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Affiliation(s)
- Chiara D'Ercole
- Department of Anatomical, Histological, Forensic Sciences and Orthopedics, Sapienza University of Rome, 00161 Rome, Italy; Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, 00161 Rome, Italy
| | - Paolo D'Angelo
- Department of Anatomical, Histological, Forensic Sciences and Orthopedics, Sapienza University of Rome, 00161 Rome, Italy; Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, 00161 Rome, Italy
| | - Veronica Ruggieri
- Department of Anatomical, Histological, Forensic Sciences and Orthopedics, Sapienza University of Rome, 00161 Rome, Italy; Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, 00161 Rome, Italy
| | - Daisy Proietti
- Cell Therapy for Myopathies Unit, Division of Neurosciences, San Raffaele Hospital, 20132 Milano, Italy
| | - Laura Virtanen
- Sorbonne Université, INSERM UMRS 974, Association Institut de Myologie, Centre de Recherche en Myologie, 75013 Paris, France
| | - Cristina Parisi
- Department of Anatomical, Histological, Forensic Sciences and Orthopedics, Sapienza University of Rome, 00161 Rome, Italy; Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, 00161 Rome, Italy
| | - Carles Sanchez Riera
- Department of Anatomical, Histological, Forensic Sciences and Orthopedics, Sapienza University of Rome, 00161 Rome, Italy
| | - Alessandra Renzini
- Department of Anatomical, Histological, Forensic Sciences and Orthopedics, Sapienza University of Rome, 00161 Rome, Italy
| | - Alberto Macone
- Department Biochemical Sciences, Sapienza University of Rome, 00185 Rome, Italy
| | - Marta Marzullo
- IBPM CNR c/o Department of Biology and Biotechnology, Sapienza University of Rome, 00185 Rome, Italy
| | - Laura Ciapponi
- Department of Biology and Biotechnologies, Sapienza University of Rome, 00185 Rome, Italy
| | - Davide Bonvissuto
- Department of Neuroscience, Section of Human Anatomy, Catholic University of the Sacred Heart, 00168 Rome, Italy
| | - Claudio Sette
- Department of Neuroscience, Section of Human Anatomy, Catholic University of the Sacred Heart, 00168 Rome, Italy; GSTeP Organoids Research Core Facility, Fondazione Policlinico A. Gemelli, 00168 Rome, Italy
| | - Lorenzo Giordani
- Sorbonne Université, INSERM UMRS 974, Association Institut de Myologie, Centre de Recherche en Myologie, 75013 Paris, France.
| | - Luca Madaro
- Department of Anatomical, Histological, Forensic Sciences and Orthopedics, Sapienza University of Rome, 00161 Rome, Italy; Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, 00161 Rome, Italy.
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18
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Nguyen HP, Villivalam SD, Jung BC, You D, Lin F, Yi D, Pi A, Ma K, Jung S, Park SH, Jang C, Sul HS, Kang S. AIFM2 Is Required for High-Intensity Aerobic Exercise in Promoting Glucose Utilization. Diabetes 2022; 71:2084-2093. [PMID: 35772021 PMCID: PMC9501658 DOI: 10.2337/db21-1114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 06/06/2022] [Indexed: 01/07/2023]
Abstract
Skeletal muscle is a major regulator of glycemic control at rest, and glucose utilization increases drastically during exercise. Sustaining a high glucose utilization via glycolysis requires efficient replenishment of NAD+ in the cytosol. Apoptosis-inducing mitochondrion-associated factor 2 (AIFM2) was previously shown to be a NADH oxidoreductase domain-containing flavoprotein that promotes glycolysis for diet and cold-induced thermogenesis. Here, we find that AIFM2 is selectively and highly induced in glycolytic extensor digitorum longus (EDL) muscle during exercise. Overexpression (OE) of AIFM2 in myotubes is sufficient to elevate the NAD+-to-NADH ratio, increasing the glycolytic rate. Thus, OE of AIFM2 in skeletal muscle greatly increases exercise capacity, with increased glucose utilization. Conversely, muscle-specific Aifm2 depletion via in vivo transfection of hairpins against Aifm2 or tamoxifen-inducible haploinsufficiency of Aifm2 in muscles decreases exercise capacity and glucose utilization in mice. Moreover, muscle-specific introduction of NDE1, Saccharomyces cerevisiae external NADH dehydrogenase (NDE), ameliorates impairment in glucose utilization and exercise intolerance of the muscle-specific Aifm2 haploinsufficient mice. Together, we show a novel role for AIFM2 as a critical metabolic regulator for efficient utilization of glucose in glycolytic EDL muscles.
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Affiliation(s)
- Hai P. Nguyen
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, CA
| | - Sneha Damal Villivalam
- Nutritional Sciences and Toxicology Department, University of California, Berkeley, Berkeley, CA
| | - Byung Chul Jung
- Nutritional Sciences and Toxicology Department, University of California, Berkeley, Berkeley, CA
| | - Dongjoo You
- Nutritional Sciences and Toxicology Department, University of California, Berkeley, Berkeley, CA
| | - Frances Lin
- Nutritional Sciences and Toxicology Department, University of California, Berkeley, Berkeley, CA
| | - Danielle Yi
- Nutritional Sciences and Toxicology Department, University of California, Berkeley, Berkeley, CA
| | - Anna Pi
- Nutritional Sciences and Toxicology Department, University of California, Berkeley, Berkeley, CA
| | - Katherine Ma
- Nutritional Sciences and Toxicology Department, University of California, Berkeley, Berkeley, CA
| | - Sunhee Jung
- Department of Biological Chemistry, University of California, Irvine, Irvine, CA
| | - Sang-Hee Park
- Department of Biological Chemistry, University of California, Irvine, Irvine, CA
| | - Cholsoon Jang
- Department of Biological Chemistry, University of California, Irvine, Irvine, CA
| | - Hei Sook Sul
- Nutritional Sciences and Toxicology Department, University of California, Berkeley, Berkeley, CA
| | - Sona Kang
- Nutritional Sciences and Toxicology Department, University of California, Berkeley, Berkeley, CA
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19
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Dalamaga M, Liu J. A chromatin remodeling checkpoint of diet-induced macrophage activation in adipose tissue. Metabol Open 2022; 15:100204. [PMID: 35990770 PMCID: PMC9386063 DOI: 10.1016/j.metop.2022.100204] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 07/23/2022] [Indexed: 12/25/2022] Open
Abstract
The interplay between the environment and the immune cells is linked to metabolic homeostasis under physiologic and pathophysiologic conditions. Diabetes mellitus type 2 (T2D) is considered an immune-related inflammatory disorder, in which the adipose tissue macrophages (ATMs) are key players orchestrating metabolic chronic meta-inflammation and contributing to the pathogenesis of metabolic disease. However, the molecular regulators that integrate the environmental signals to control ATM activation and adipose inflammation during obesity and T2D remain unclear. Epigenetic mechanisms constitute important parameters in metabolic homeostasis, obesity and T2D via the integration of the environmental factors to the transcriptional regulation of gene programs. In a very recent study published in Diabetes by Kong et al., BAF60a has been identified as a key chromatin remodeling checkpoint factor that associates obesity-associated stress signals with meta-inflammation and systemic homeostasis. Furthermore, this work uncovers Atf3 as an important downstream effector in BAF60a-mediated chromatin remodeling and transcriptional reprogramming of macrophage activation in adipose tissue. The findings of this research may contribute to the development of new therapeutic approaches for obesity-induced metabolic inflammation and associated metabolic disorders.
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Affiliation(s)
- Maria Dalamaga
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias, Goudi, 11527, Athens, Greece
| | - Junli Liu
- Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University Affiliated 6th People's Hospital, Shanghai Diabetes Institute, Shanghai, China
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20
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Zumbaugh MD, Johnson SE, Shi TH, Gerrard DE. Molecular and biochemical regulation of skeletal muscle metabolism. J Anim Sci 2022; 100:6652332. [PMID: 35908794 PMCID: PMC9339271 DOI: 10.1093/jas/skac035] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 02/02/2022] [Indexed: 12/13/2022] Open
Abstract
Skeletal muscle hypertrophy is a culmination of catabolic and anabolic processes that are interwoven into major metabolic pathways, and as such modulation of skeletal muscle metabolism may have implications on animal growth efficiency. Muscle is composed of a heterogeneous population of muscle fibers that can be classified by metabolism (oxidative or glycolytic) and contractile speed (slow or fast). Although slow fibers (type I) rely heavily on oxidative metabolism, presumably to fuel long or continuous bouts of work, fast fibers (type IIa, IIx, and IIb) vary in their metabolic capability and can range from having a high oxidative capacity to a high glycolytic capacity. The plasticity of muscle permits continuous adaptations to changing intrinsic and extrinsic stimuli that can shift the classification of muscle fibers, which has implications on fiber size, nutrient utilization, and protein turnover rate. The purpose of this paper is to summarize the major metabolic pathways in skeletal muscle and the associated regulatory pathways.
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Affiliation(s)
- Morgan D Zumbaugh
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - Sally E Johnson
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - Tim H Shi
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - David E Gerrard
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
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21
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Gong M, Shi R, Liu Y, Ke J, Liu X, Du HZ, Liu CM. Abnormal microglial polarization induced by Arid1a deletion leads to neuronal differentiation deficits. Cell Prolif 2022; 55:e13314. [PMID: 35854653 DOI: 10.1111/cpr.13314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 06/03/2022] [Accepted: 06/23/2022] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVE Microglia, the prototypical innate immune cells of the central nervous system (CNS), are highly plastic and assume their phenotypes dependent on intrinsically genetic, epigenetic regulation or extrinsically microenvironmental cues. Microglia has been recognized as key regulators of neural stem/progenitor cells (NSPCs) and brain functions. Chromatin accessibility is implicated in immune cell development and functional regulation. However, it is still unknown whether and how chromatin remodelling regulates the phenotypic plasticity of microglia and exerts what kind of effects on NSPCs. METHODS We investigated the role of chromatin accessibility in microglia by deleting chromatin remodelling gene Arid1a using microglia-specific Cx3cr1-cre and Cx3cr1-CreERT2 mice. RNA-seq and ATAC-seq were performed to dissect the molecular mechanisms. In addition, we examined postnatal M1/M2 microglia polarization and analysed neuronal differentiation of NSPCs. Finally, we tested the effects of microglial Arid1a deletion on mouse behaviours. RESULTS Increased chromatin accessibility upon Arid1a ablation resulted in enhanced M1 microglial polarization and weakened M2 polarization, which led to abnormal neurogenesis and anxiety-like behaviours. Switching the polarization state under IL4 stimulation could rescue abnormal neurogenesis, supporting an essential role for chromatin remodeler ARID1A in balancing microglial polarization and brain functions. CONCLUSIONS Our study identifies ARID1A as a central regulator of microglia polarization, establishing a mechanistic link between chromatin remodelling, neurogenesis and mouse behaviours, and highlights the potential development of innovative therapeutics exploiting the innate regenerative capacity of the nervous system.
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Affiliation(s)
- Maolei Gong
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
| | - Ruoxi Shi
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing, China
| | - Yijun Liu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing, China
| | - Jinpeng Ke
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing, China
| | - Xiao Liu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
| | - Hong-Zhen Du
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
| | - Chang-Mei Liu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing, China
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22
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Wang RR, Qiu X, Pan R, Fu H, Zhang Z, Wang Q, Chen H, Wu QQ, Pan X, Zhou Y, Shan P, Wang S, Guo G, Zheng M, Zhu L, Meng ZX. Dietary intervention preserves β cell function in mice through CTCF-mediated transcriptional reprogramming. J Exp Med 2022; 219:213256. [PMID: 35652891 DOI: 10.1084/jem.20211779] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 04/04/2022] [Accepted: 05/12/2022] [Indexed: 12/12/2022] Open
Abstract
Pancreatic β cell plasticity is the primary determinant of disease progression and remission of type 2 diabetes (T2D). However, the dynamic nature of β cell adaptation remains elusive. Here, we establish a mouse model exhibiting the compensation-to-decompensation adaptation of β cell function in response to increasing duration of high-fat diet (HFD) feeding. Comprehensive islet functional and transcriptome analyses reveal a dynamic orchestration of transcriptional networks featuring temporal alteration of chromatin remodeling. Interestingly, prediabetic dietary intervention completely rescues β cell dysfunction, accompanied by a remarkable reversal of HFD-induced reprogramming of islet chromatin accessibility and transcriptome. Mechanistically, ATAC-based motif analysis identifies CTCF as the top candidate driving dietary intervention-induced preservation of β cell function. CTCF expression is markedly decreased in β cells from obese and diabetic mice and humans. Both dietary intervention and AAV-mediated restoration of CTCF expression ameliorate β cell dysfunction ex vivo and in vivo, through transducing the lipid toxicity and inflammatory signals to transcriptional reprogramming of genes critical for β cell glucose metabolism and stress response.
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Affiliation(s)
- Ruo-Ran Wang
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Chronic Disease Research Institute, School of Public Health, Zhejiang University, Hangzhou, Zhejiang, China
| | - Xinyuan Qiu
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Department of Biology and Chemistry, College of Liberal Arts and Sciences, National University of Defense Technology, Changsha, Hunan, China
| | - Ran Pan
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Chronic Disease Research Institute, School of Public Health, Zhejiang University, Hangzhou, Zhejiang, China
| | - Hongxing Fu
- Department of Hepatobiliary and Pancreatic Surgery of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Ziyin Zhang
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Chronic Disease Research Institute, School of Public Health, Zhejiang University, Hangzhou, Zhejiang, China
| | - Qintao Wang
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Chronic Disease Research Institute, School of Public Health, Zhejiang University, Hangzhou, Zhejiang, China
| | - Haide Chen
- Center for Stem Cell and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Qing-Qian Wu
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Chronic Disease Research Institute, School of Public Health, Zhejiang University, Hangzhou, Zhejiang, China
| | - Xiaowen Pan
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yanping Zhou
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Pengfei Shan
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Shusen Wang
- Organ Transplant Center, Tianjin First Central Hospital, Tianjin, China.,NHC Key Laboratory for Critical Care Medicine, Tianjin First Central Hospital, Tianjin, China
| | - Guoji Guo
- Center for Stem Cell and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Min Zheng
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Lingyun Zhu
- Department of Biology and Chemistry, College of Liberal Arts and Sciences, National University of Defense Technology, Changsha, Hunan, China
| | - Zhuo-Xian Meng
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Key Laboratory of Disease Proteomics of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Chronic Disease Research Institute, School of Public Health, Zhejiang University, Hangzhou, Zhejiang, China.,Department of Geriatrics, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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23
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Sun Y, Wang Z, Nie C, Xue L, Wang Y, Liu J, Fan M, Zhang D, He R, Zhang X, Qian H, Chow BKC, Li Y, Wang L. Hydroxysafflor yellow A triggered a fast-to-slow muscle fiber-type conversion via regulating FoxO1 in myocytes. Food Funct 2022; 13:6317-6328. [PMID: 35611953 DOI: 10.1039/d1fo03612b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydroxysafflor yellow A (HSYA) is the main bioactive component of safflower and has been reported to have significant health-promoting abilities. However, the regulation of HSYA on different types of skeletal myofibers is largely unknown. Here, in vitro experiments found that the water extract of safflower could significantly increase MyHC I, MB and Tnni1 mRNA expression while downregulating MyHC IIb mRNA expression. Furthermore, HSYA triggered fast-to-slow fiber-type switching and increased gene expression related to mitochondrial biosynthesis both in vitro and in vivo. Autodock analyses proved that FoxO1 is a potential target of HSYA, and qRT-PCR and western blotting further showed that HSYA significantly promoted the activation of the FoxO1 signaling pathway. Additionally, the levels of PGC1α, downstream of FoxO1, also significantly increased after HSYA treatment. Together, our findings suggested that HSYA triggered a fast-to-slow myofiber-type shift through the FoxO1 signaling pathway.
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Affiliation(s)
- Yujie Sun
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Zhijun Wang
- COFCO Aerocean Oils & Grain Industrial Co. Ltd, Shawan, No. 1 West Park Road, West Urumqi Road, Shawan County, Tacheng District, Xinjiang Province 832100, China
| | - Chenzhipeng Nie
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Lamei Xue
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Yu Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Jinxin Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Mingcong Fan
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Duo Zhang
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, Georgia, USA
| | - Ruikun He
- BYHEALTH Institute of Nutrition & Health, No. 3 Kehui 3rd Street, No. 99 Kexue Avenue Central, Huangpu District, Guangzhou 510663, China
| | - Xuguang Zhang
- BYHEALTH Institute of Nutrition & Health, No. 3 Kehui 3rd Street, No. 99 Kexue Avenue Central, Huangpu District, Guangzhou 510663, China
| | - Haifeng Qian
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Billy K C Chow
- School of Biological Sciences, University of Hong Kong, Hong Kong, China
| | - Yan Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Li Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
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24
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Dreier MR, de la Serna IL. SWI/SNF Chromatin Remodeling Enzymes in Melanoma. EPIGENOMES 2022; 6:epigenomes6010010. [PMID: 35323214 PMCID: PMC8947417 DOI: 10.3390/epigenomes6010010] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/07/2022] [Accepted: 03/14/2022] [Indexed: 11/16/2022] Open
Abstract
Melanoma is an aggressive malignancy that arises from the transformation of melanocytes on the skin, mucosal membranes, and uvea of the eye. SWI/SNF chromatin remodeling enzymes are multi-subunit complexes that play important roles in the development of the melanocyte lineage and in the response to ultraviolet radiation, a key environmental risk factor for developing cutaneous melanoma. Exome sequencing has revealed frequent loss of function mutations in genes encoding SWI/SNF subunits in melanoma. However, some SWI/SNF subunits have also been demonstrated to have pro-tumorigenic roles in melanoma and to affect sensitivity to therapeutics. This review summarizes studies that have implicated SWI/SNF components in melanomagenesis and have evaluated how SWI/SNF subunits modulate the response to current therapeutics.
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25
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Wang Q, Qiu X, Liu T, Ahn C, Horowitz JF, Lin JD. The hepatokine TSK maintains myofiber integrity and exercise endurance and contributes to muscle regeneration. JCI Insight 2022; 7:154746. [PMID: 35025761 PMCID: PMC8876464 DOI: 10.1172/jci.insight.154746] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 01/12/2022] [Indexed: 11/17/2022] Open
Abstract
Mammalian skeletal muscle contains heterogenous myofibers with different contractile and metabolic properties that sustain muscle mass and endurance capacity. The transcriptional regulators that govern these myofiber gene programs have been elucidated. However, the hormonal cues that direct the specification of myofiber types and muscle endurance remain largely unknown. Here we uncover the secreted factor Tsukushi (TSK) as an extracellular signal that is required for maintaining muscle mass, strength, and endurance capacity, and contributes to muscle regeneration. Mice lacking TSK exhibited reduced grip strength and impaired exercise capacity. Muscle transcriptomic analysis revealed that TSK deficiency results in a remarkably selective impairment in the expression of myofibrillar genes characteristic of slow-twitch muscle fibers that is associated with abnormal neuromuscular junction formation. AAV-mediated overexpression of TSK failed to rescue these myofiber defects in adult mice, suggesting that the effects of TSK on myofibers are likely restricted to certain developmental stages. Finally, mice lacking TSK exhibited diminished muscle regeneration following cardiotoxin-induced muscle injury. These findings support a crucial role of TSK as a hormonal cue in the regulation of contractile gene expression, endurance capacity, and muscle regeneration.
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Affiliation(s)
- Qiuyu Wang
- Department of Cell & Developmental Biology, University of Michigan, Ann Arbor, United States of America
| | - Xiaoxue Qiu
- Department of Cell & Developmental Biology, University of Michigan, Ann Arbor, United States of America
| | - Tongyu Liu
- Department of Cell & Developmental Biology, University of Michigan, Ann Arbor, United States of America
| | - Cheehoon Ahn
- Substrate Metabolism Laboratory, School of Kinesiology, University of Michigan, Ann Arbor, United States of America
| | | | - Jiandie D Lin
- University of Michigan, Ann Arbor, United States of America
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26
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Gong L, Zhang X, Qiu K, He L, Wang Y, Yin J. Arginine promotes myogenic differentiation and myotube formation through the elevation of cytoplasmic calcium concentration. ACTA ACUST UNITED AC 2021; 7:1115-1123. [PMID: 34738042 PMCID: PMC8543491 DOI: 10.1016/j.aninu.2021.05.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 05/12/2021] [Accepted: 05/18/2021] [Indexed: 12/14/2022]
Abstract
This study aimed to explore the mechanism underlying arginine-promoted myogenesis of myoblasts. C2C12 cells were cultured with a medium containing 0.1, 0.4, 0.8, or 1.2 mmol/L arginine, respectively. Cell proliferation, viability, differentiation indexes, cytoplasmic Ca2+ concentration, and relative mRNA expression levels of myogenic regulatory factors (MRF) and key Ca2+ channels were measured in the absence or presence of 2 chemical inhibitors, dantrolene (DAN, 10 μmol/L) and nisoldipine (NIS, 10 μmol/L), respectively. Results demonstrated that arginine promoted myogenic differentiation and myotube formation. Compared with the control (0.4 mmol/L arginine), 1.2 mmol/L arginine upregulated the relative mRNA expression levels of myogenin (MyoG) and Myomaker at d 2 during myogenic induction (P < 0.05). Cytoplasmic Ca2+ concentrations were significantly elevated by arginine supplementation at d 2 and 4 (P < 0.05). Relative mRNA expression levels of Ca2+ channels including the type 1 ryanodine receptor (RyR1) and voltage-gated Ca2+ channel (Cav1.1) were upregulated by 1.2 mmol/L arginine during 2-d myogenic induction (P < 0.01). However, arginine-promoted myogenic potential of myoblasts was remarkably compromised by DAN and NIS, respectively (P < 0.05). These findings evidenced that the supplementation of arginine promoted myogenic differentiation and myotube formation through increasing cytoplasmic Ca2+ concentration from both extracellular and sarcoplasmic reticulum Ca2+.
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Affiliation(s)
- Lu Gong
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Xin Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Kai Qiu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Linjuan He
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Yubo Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Jingdong Yin
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
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27
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Wang H, Ma M, Li Y, Liu J, Sun C, Liu S, Ma Y, Yan Y, Tang Z, Shen S, Yu J, Wu Y, Jiang J, Wang L, Jin ZB, Ying H, Li Y. miR-183 and miR-96 orchestrate both glucose and fat utilization in skeletal muscle. EMBO Rep 2021; 22:e52247. [PMID: 34358402 DOI: 10.15252/embr.202052247] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 06/27/2021] [Accepted: 07/01/2021] [Indexed: 01/07/2023] Open
Abstract
Our knowledge of the coordination of fuel usage in skeletal muscle is incomplete. Whether and how microRNAs are involved in the substrate selection for oxidation is largely unknown. Here we show that mice lacking miR-183 and miR-96 have enhanced muscle oxidative phenotype and altered glucose/lipid homeostasis. Moreover, loss of miR-183 and miR-96 results in a shift in substrate utilization toward fat relative to carbohydrates in mice. Mechanistically, loss of miR-183 and miR-96 suppresses glucose utilization in skeletal muscle by increasing PDHA1 phosphorylation via targeting FoxO1 and PDK4. On the other hand, loss of miR-183 and miR-96 promotes fat usage in skeletal muscle by enhancing intramuscular lipolysis via targeting FoxO1 and ATGL. Thus, our study establishes miR-183 and miR-96 as master coordinators of fuel selection and metabolic homeostasis owing to their capability of modulating both glucose utilization and fat catabolism. Lastly, we show that loss of miR-183 and miR-96 can alleviate obesity and improve glucose metabolism in high-fat diet-induced mice, suggesting that miR-183 and miR-96 may serve as therapeutic targets for metabolic diseases.
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Affiliation(s)
- Hui Wang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Mei Ma
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Yuying Li
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Jinxin Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Chao Sun
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Shengnan Liu
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Yiruo Ma
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Ying Yan
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Zhili Tang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Siyi Shen
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Jing Yu
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Yuting Wu
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Jingjing Jiang
- Department of Endocrinology and Metabolism, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Li Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Zi-Bing Jin
- Beijing Ophthalmology & Visual Science Key Laboratory, Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Hao Ying
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China.,Key Laboratory of Food Safety Risk Assessment, Ministry of Health, Beijing, China
| | - Yan Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
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28
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Zumbaugh MD, Yen CN, Bodmer JS, Shi H, Gerrard DE. Skeletal Muscle O-GlcNAc Transferase Action on Global Metabolism Is Partially Mediated Through Interleukin-15. Front Physiol 2021; 12:682052. [PMID: 34326778 PMCID: PMC8313823 DOI: 10.3389/fphys.2021.682052] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 06/24/2021] [Indexed: 01/11/2023] Open
Abstract
Besides its roles in locomotion and thermogenesis, skeletal muscle plays a significant role in global glucose metabolism and insulin sensitivity through complex nutrient sensing networks. Our previous work showed that the muscle-specific ablation of O-GlcNAc transferase (OGT) led to a lean phenotype through enhanced interleukin-15 (IL-15) expression. We also showed OGT epigenetically modified and repressed the Il15 promoter. However, whether there is a causal relationship between OGT ablation-induced IL-15 secretion and the lean phenotype remains unknown. To address this question, we generated muscle specific OGT and interleukin-15 receptor alpha subunit (IL-15rα) double knockout mice (mDKO). Deletion of IL-15rα in skeletal muscle impaired IL-15 secretion. When fed with a high-fat diet, mDKO mice were no longer protected against HFD-induced obesity compared to wild-type mice. After 22 weeks of HFD feeding, mDKO mice had an intermediate body weight and glucose sensitivity compared to wild-type and OGT knockout mice. Taken together, these data suggest that OGT action is partially mediated by muscle IL-15 production and provides some clarity into how disrupting the O-GlcNAc nutrient signaling pathway leads to a lean phenotype. Further, our work suggests that interfering with the OGT-IL15 nutrient sensing axis may provide a new avenue for combating obesity and metabolic disorders.
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Affiliation(s)
- Morgan D Zumbaugh
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Con-Ning Yen
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Jocelyn S Bodmer
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Hao Shi
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - David E Gerrard
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
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29
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Xiang C, Zhang Y, Chen Q, Sun A, Peng Y, Zhang G, Zhou D, Xie Y, Hou X, Zheng F, Wang F, Gan Z, Chen S, Liu G. Increased glycolysis in skeletal muscle coordinates with adipose tissue in systemic metabolic homeostasis. J Cell Mol Med 2021; 25:7840-7854. [PMID: 34227742 PMCID: PMC8358859 DOI: 10.1111/jcmm.16698] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 05/11/2021] [Accepted: 05/13/2021] [Indexed: 02/06/2023] Open
Abstract
Insulin‐independent glucose metabolism, including anaerobic glycolysis that is promoted in resistance training, plays critical roles in glucose disposal and systemic metabolic regulation. However, the underlying mechanisms are not completely understood. In this study, through genetically manipulating the glycolytic process by overexpressing human glucose transporter 1 (GLUT1), hexokinase 2 (HK2) and 6‐phosphofructo‐2‐kinase‐fructose‐2,6‐biphosphatase 3 (PFKFB3) in mouse skeletal muscle, we examined the impact of enhanced glycolysis in metabolic homeostasis. Enhanced glycolysis in skeletal muscle promoted accelerated glucose disposal, a lean phenotype and a high metabolic rate in mice despite attenuated lipid metabolism in muscle, even under High‐Fat diet (HFD). Further study revealed that the glucose metabolite sensor carbohydrate‐response element‐binding protein (ChREBP) was activated in the highly glycolytic muscle and stimulated the elevation of plasma fibroblast growth factor 21 (FGF21), possibly mediating enhanced lipid oxidation in adipose tissue and contributing to a systemic effect. PFKFB3 was critically involved in promoting the glucose‐sensing mechanism in myocytes. Thus, a high level of glycolysis in skeletal muscle may be intrinsically coupled to distal lipid metabolism through intracellular glucose sensing. This study provides novel insights for the benefit of resistance training and for manipulating insulin‐independent glucose metabolism.
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Affiliation(s)
- Cong Xiang
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
| | - Yannan Zhang
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
| | - Qiaoli Chen
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
| | - Aina Sun
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
| | - Yamei Peng
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
| | - Guoxin Zhang
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
| | - Danxia Zhou
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
| | - Yinyin Xie
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
| | - Xiaoshuang Hou
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
| | - Fangfang Zheng
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
| | - Fan Wang
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
| | - Zhenji Gan
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
| | - Shuai Chen
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
| | - Geng Liu
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, School of Medicine, Nanjing University, Nanjing, China
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30
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Ramaiah MJ, Kumar KR. mTOR-Rictor-EGFR axis in oncogenesis and diagnosis of glioblastoma multiforme. Mol Biol Rep 2021; 48:4813-4835. [PMID: 34132942 DOI: 10.1007/s11033-021-06462-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 06/01/2021] [Indexed: 12/12/2022]
Abstract
Glioblastoma multiforme (GBM) is one of the aggressive brain cancers with patients having less survival period upto 12-15 months. Mammalian target of rapamycin (mTOR) is a serine/threonine kinase, belongs to the phosphatidylinositol 3-kinases (PI3K) pathway and is involved in various cellular processes of cancer cells. Cancer metabolism is regulated by mTOR and its components. mTOR forms two complexes as mTORC1 and mTORC2. Studies have identified the key component of the mTORC2 complex, Rapamycin-insensitive companion of mammalian target of rapamycin (Rictor) plays a prominent role in the regulation of cancer cell proliferation and metabolism. Apart, growth factor receptor signaling such as epidermal growth factor signaling mediated by epidermal growth factor receptor (EGFR) regulates cancer-related processes. In EGFR signaling various other signaling cascades such as phosphatidyl-inositol 3-kinase (PI3K)/protein kinase B (Akt)/mammalian target of rapamycin (mTOR pathway) and Ras/Raf/mitogen-activated protein kinase/ERK kinase (MEK)/extracellular-signal-regulated kinase (ERK) -dependent signaling cross-talk each other. From various studies about GBM, it is very well established that Rictor and EGFR mediated signaling pathways majorly playing a pivotal role in chemoresistance and tumor aggressiveness. Recent studies have shown that non-coding RNAs such as microRNAs (miRs) and long non-coding RNAs (lncRNAs) regulate the EGFR and Rictor and sensitize the cells towards chemotherapeutic agents. Thus, understanding of microRNA mediated regulation of EGFR and Rictor will help in cancer prevention and management as well as a future therapy.
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Affiliation(s)
- M Janaki Ramaiah
- Functional Genomics and Disease Biology Laboratory, School of Chemical and Biotechnology (SCBT), SASTRA Deemed University, Tirumalaisamudram, Thanjavur, 613401, Tamil Nadu, India.
- School of Chemical and Biotechnology (SCBT), SASTRA Deemed University, Tirumalaisamudram, Thanjavur, 613401, Tamil Nadu, India.
| | - K Rohil Kumar
- Functional Genomics and Disease Biology Laboratory, School of Chemical and Biotechnology (SCBT), SASTRA Deemed University, Tirumalaisamudram, Thanjavur, 613401, Tamil Nadu, India
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Perez-Tejeiro JM, Csukasi F. DEPTOR in Skeletal Development and Diseases. Front Genet 2021; 12:667283. [PMID: 34122519 PMCID: PMC8191632 DOI: 10.3389/fgene.2021.667283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 04/12/2021] [Indexed: 12/02/2022] Open
Abstract
Discovered in 2009, the DEP-domain containing mTOR-interacting protein, DEPTOR, is a known regulator of the mechanistic target of rapamycin (mTOR), an evolutionarily conserved kinase that regulates diverse cellular processes in response to environmental stimuli. DEPTOR was originally identified as a negative regulator of mTOR complexes 1 (mTORC1) and 2 (mTORC2). However, recent discoveries have started to unravel the roles of DEPTOR in mTOR-independent responses. In the past few years, mTOR emerged as an important regulator of skeletal development, growth, and homeostasis; the dysregulation of its activity contributes to the development of several skeletal diseases, both chronic and genetic. Even more recently, several groups have reported on the relevance of DEPTOR in skeletal biology through its action on mTOR-dependent and mTOR-independent pathways. In this review, we summarize the current understanding of DEPTOR in skeletal development and disease.
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Affiliation(s)
- Jose Miguel Perez-Tejeiro
- Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, IBIMA, University of Málaga, Málaga, Spain.,Biomaterials and Nanomedicine (CIBER-BBN), Andalusian Centre for Nanomedicine and Biotechnology-BIONAND, Networking Biomedical Research Center in Bioengineering, Málaga, Spain
| | - Fabiana Csukasi
- Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, IBIMA, University of Málaga, Málaga, Spain.,Biomaterials and Nanomedicine (CIBER-BBN), Andalusian Centre for Nanomedicine and Biotechnology-BIONAND, Networking Biomedical Research Center in Bioengineering, Málaga, Spain
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32
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Bi Y, Chen X, Wei B, Wang L, Gong L, Li H, Xiong X, Zhao Y. DEPTOR stabilizes ErbB2 to promote the proliferation and survival of ErbB2-positive breast cancer cells. Am J Cancer Res 2021; 11:6355-6369. [PMID: 33995662 PMCID: PMC8120212 DOI: 10.7150/thno.51286] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 03/30/2021] [Indexed: 12/13/2022] Open
Abstract
Rationale: Dysregulation of the PI3K/AKT/mTOR pathway occurs frequently in cancers, providing an attractive therapeutic target for anticancer treatments. DEPTOR plays essential roles in regulation of cell proliferation and survival by directly modulating mTOR activity. However, whether DEPTOR regulates the growth of ErbB2-positive breast cancer cells remains unknown. Methods: DEPTOR expression was determined by TCGA data analysis and immunohistochemistry of human breast tissue microarrays. The membrane localization of DEPTOR was demonstrated by immunofluorescence and subcellular fractionation. The interaction of DEPTOR with ErbB2 was determined by immunoprecipitation. Furthermore, the biological significance of this interaction was assessed by ATPlite cell growth, clonogenic survival, and flow cytometry-based apoptosis assays. Results: DEPTOR promoted the proliferation and survival of ErbB2-positive breast cancer cells by directly interacting with and stabilizing ErbB2. Specifically, DEPTOR translocates to cell membrane and interacts with ErbB2 to disrupt ErbB2 polyubiquitination and degradation promoted by β-TrCP, an E3 ubiquitin ligase. DEPTOR knockdown destabilizes ErbB2 by shortening its protein half-life to inactivate ErbB2-PI3K-AKT-mTOR signaling, leading to the suppression of cell proliferation and survival by inducing apoptosis. Ectopic expression of a constitutively active ErbB2 mutant completely rescued the reduction in cell proliferation and survival by DEPTOR knockdown. Importantly, DEPTOR expression is increased in human breast cancer tissues and its overexpression correlates with poor patient survival. Moreover, DEPTOR is located on the cell membrane in ErbB2-positive breast cancer tissues, but not in tumor-adjacent normal tissues, indicating that DEPTOR may contribute to the oncogenic characteristics of ErbB2. Conclusions: Our study reveals a novel mechanism by which DEPTOR promotes breast cancer cell proliferation and survival by stabilizing ErbB2.
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Xu M, Yao J, Shi Y, Yi H, Zhao W, Lin X, Yang Z. The SRCAP chromatin remodeling complex promotes oxidative metabolism during prenatal heart development. Development 2021; 148:237772. [PMID: 33913477 DOI: 10.1242/dev.199026] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 03/12/2021] [Indexed: 12/28/2022]
Abstract
Mammalian heart development relies on cardiomyocyte mitochondrial maturation and metabolism. Embryonic cardiomyocytes make a metabolic shift from anaerobic glycolysis to oxidative metabolism by mid-gestation. VHL-HIF signaling favors anaerobic glycolysis but this process subsides by E14.5. Meanwhile, oxidative metabolism becomes activated but its regulation is largely elusive. Here, we first pinpointed a crucial temporal window for mitochondrial maturation and metabolic shift, and uncovered the pivotal role of the SRCAP chromatin remodeling complex in these processes in mouse. Disruption of this complex massively suppressed the transcription of key genes required for the tricarboxylic acid cycle, fatty acid β-oxidation and ubiquinone biosynthesis, and destroyed respirasome stability. Furthermore, we found that the SRCAP complex functioned through H2A.Z deposition to activate transcription of metabolic genes. These findings have unveiled the important physiological functions of the SRCAP complex in regulating mitochondrial maturation and promoting oxidative metabolism during heart development, and shed new light on the transcriptional regulation of ubiquinone biosynthesis.
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Affiliation(s)
- Mingjie Xu
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Cardiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School of Nanjing University, Nanjing 210093, China
| | - Jie Yao
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Cardiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School of Nanjing University, Nanjing 210093, China
| | - Yingchao Shi
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Cardiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School of Nanjing University, Nanjing 210093, China
| | - Huijuan Yi
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Cardiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School of Nanjing University, Nanjing 210093, China
| | - Wukui Zhao
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Cardiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School of Nanjing University, Nanjing 210093, China
| | - Xinhua Lin
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, 200438, China
| | - Zhongzhou Yang
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Cardiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School of Nanjing University, Nanjing 210093, China.,MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Medical School of Nanjing University, Nanjing, 210093, China.,Jiangsu Key Laboratory of Molecular Medicine, Medical School of Nanjing University, Nanjing 210093, China
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34
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Bi Y, Gong L, Liu P, Xiong X, Zhao Y. Nuclear ErbB2 represses DEPTOR transcription to inhibit autophagy in breast cancer cells. Cell Death Dis 2021; 12:397. [PMID: 33854045 PMCID: PMC8047043 DOI: 10.1038/s41419-021-03686-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 03/25/2021] [Accepted: 03/30/2021] [Indexed: 01/21/2023]
Abstract
ErbB2, a classical receptor tyrosine kinase, is frequently overexpressed in breast cancer cells. Although the role of ErbB2 in the transmission of extracellular signals to intracellular matrix has been widely studied, the functions of nuclear ErbB2 remain largely elusive. Here, we report a novel function of nuclear ErbB2 in repressing the transcription of DEPTOR, a direct inhibitor of mTOR. Nuclear ErbB2 directly binds to the consensus binding sequence in the DEPTOR promoter to repress its transcription. The kinase activity of ErbB2 is required for its nuclear translocation and transcriptional repression of DEPTOR. Moreover, the repressed DEPTOR by nuclear ErbB2 inhibits the induction of autophagy by activating mTORC1. Thus, our study reveals a novel mechanism for autophagy regulation by functional ErbB2, which translocates to the nucleus and acts as a transcriptional regulator to suppress DEPTOR transcription, leading to activation of the PI3K/AKT/mTOR pathway to inhibit autophagy.
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Affiliation(s)
- Yanli Bi
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Zhejiang Provincial Key Laboratory of Pancreatic Disease, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Longyuan Gong
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Zhejiang Provincial Key Laboratory of Pancreatic Disease, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Pengyuan Liu
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiufang Xiong
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China.,Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yongchao Zhao
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China. .,Zhejiang Provincial Key Laboratory of Pancreatic Disease, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China. .,Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China. .,Cancer Center, Zhejiang University, Hangzhou, China.
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35
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Yang HW, Jiang YF, Lee HG, Jeon YJ, Ryu B. Ca 2+-Dependent Glucose Transport in Skeletal Muscle by Diphlorethohydroxycarmalol, an Alga Phlorotannin: In Vitro and In Vivo Study. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:8893679. [PMID: 33628395 PMCID: PMC7889350 DOI: 10.1155/2021/8893679] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 12/21/2020] [Accepted: 01/13/2021] [Indexed: 12/31/2022]
Abstract
Diphlorethohydroxycarmalol (DPHC), a type of phlorotannin isolated from the marine alga Ishige okamurae, reportedly alleviates impaired glucose tolerance. However, the molecular mechanisms of DPHC regulatory activity and by which it exerts potential beneficial effects on glucose transport into skeletal myotubes to control glucose homeostasis remain largely unexplored. The aim of this study was to evaluate the effect of DPHC on cytosolic Ca2+ levels and its correlation with blood glucose transport in skeletal myotubes in vitro and in vivo. Cytosolic Ca2+ levels upon DPHC treatment were evaluated in skeletal myotubes and zebrafish larvae by Ca2+ imaging using Fluo-4. We investigated the effect of DPHC on the blood glucose level and glucose transport pathway in a hyperglycemic zebrafish. DPHC was shown to control blood glucose levels by accelerating glucose transport; this effect was associated with elevated cytosolic Ca2+ levels in skeletal myotubes. Moreover, the increased cytosolic Ca2+ level caused by DPHC can facilitate the Glut4/AMPK pathways of the skeletal muscle in activating glucose metabolism, thereby regulating muscle contraction through the regulation of expression of troponin I/C, CaMKII, and ATP. Our findings provide insights into the mechanism of DPHC activity in skeletal myotubes, suggesting that increased cytosolic Ca2+ levels caused by DPHC can promote glucose transport into skeletal myotubes to modulate blood glucose levels, thus indicating the potential use of DPHC in the prevention of diabetes.
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Affiliation(s)
- Hye-Won Yang
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea
| | - Yun-Fei Jiang
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea
| | - Hyo-Geun Lee
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea
| | - You-Jin Jeon
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea
- Marine Science Institute, Jeju National University, Jeju 63333, Republic of Korea
| | - BoMi Ryu
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea
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36
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Chen Q, Chen L, Jian J, Li J, Zhang X. The mechanism of BAF60c in myocardial metabolism through the PGC1α/PPARα/mTOR signaling pathway in rats with heart failure. Biochem Cell Biol 2020; 100:93-103. [PMID: 33245682 DOI: 10.1139/bcb-2019-0450] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BRM-associated factor (BAF) 60c promotes muscle glycolysis and improves glucose homeostasis. This study explored the mechanism of BAF60c in heart failure (HF). Fetal/adult rat models of HF were established, and the levels of cardiac contractile proteins and energy metabolism-, oxidative metabolism- and glycolysis-related factors were detected. Overexpression/siRNA BAF60c plasmids were injected into adult HF rats to estimate myocardial glucose uptake, high-energy phosphate contents, mitochondrial function, and cell proliferation and apoptosis. The overexpression/siRNA BAF60c plasmids were transfected into cardiac hypertrophic H9C2 cells to explore the in vitro effects. The interaction of BAF60c and PGC1α was detected. The results suggested that adult HF rats presented increased levels of fetal proteins (ssTnI and fTnT), BAF60c and glycolysis-related factors, and reduced levels of cardiac contractile proteins, PGC1α, PPARα, and oxidative metabolism-related factors. BAF60c knockdown improved glucose uptake, maintained the oxidative metabolism/glycolysis balance, promoted H9C2 cell proliferation, and inhibited apoptosis. PGC1α interacted with BAF60c. Knocking down BAF60c also activated the PGC1α/PPARα/mTOR pathway. Overexpression of PGC1α decreased the damage to H9C2 cells caused by BAF60c. Altogether, BAF60c downregulation activated the PGC1α/PPARα/mTOR pathway, maintained the oxidative metabolism/glycolysis balance and improved mitochondrial function in rat models of HF. This study may offer novel insights into HF treatment.
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Affiliation(s)
- Qiang Chen
- The First Affiliated Hospital of Baotou Medical College, Inner Mongolia Baotou Medical University, Department of Cardiology, The First Affiliated Hospital of Baotou Medical College, Inner Mongolia Baotou Medical University, Baotou, China, 014010;
| | - Lizhu Chen
- The First Affiliated Hospital of Baotou Medical College, Inner Mongolia Baotou Medical University, Baotou, China;
| | - Jianguo Jian
- The First Affiliated Hospital of Baotou Medical College, Inner Mongolia Baotou Medical University, Department of Cardiology, Baotou, China;
| | - Junping Li
- The First Affiliated Hospital of Baotou Medical College, Inner Mongolia Baotou Medical University, Department of Cardiology, Baotou, China;
| | - Xiaomiao Zhang
- The First Affiliated Hospital of Baotou Medical College, Inner Mongolia Baotou Medical University, Baotou, China;
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37
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Cui D, Dai X, Gong L, Chen X, Wang L, Xiong X, Zhao Y. DEPTOR is a direct p53 target that suppresses cell growth and chemosensitivity. Cell Death Dis 2020; 11:976. [PMID: 33184290 PMCID: PMC7661726 DOI: 10.1038/s41419-020-03185-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 10/27/2020] [Accepted: 10/28/2020] [Indexed: 12/12/2022]
Abstract
DEP-domain containing mTOR-interacting protein (DEPTOR), a natural mTOR inhibitor, has essential roles in several processes, including cell growth, metabolism, apoptosis, and immunity. DEPTOR expression has been shown to be diversely controlled at transcriptional levels in cell- and context-specific manners. However, whether there is a general mechanism for the regulation of DEPTOR expression remains largely unknown. Here, we report that DEPTOR is a downstream target of the tumor suppressor, p53, whose activity is positively correlated with DEPTOR expression both in vitro in cell cultures and in vivo in mouse tissues. Mechanistically, p53 directly binds to the DEPTOR promoter and transactivates its expression. Depletion of the p53-binding site on the DEPTOR promoter by CRISPR-Cas9 technology decreases DEPTOR expression and promotes cell proliferation and survival by activating AKT signaling. Importantly, inhibition of AKT by small molecular inhibitors or genetic knockdown abrogates the induction of cell growth and survival induced by deletion of the p53-binding region on the DEPTOR promoter. Furthermore, p53, upon activation by the genotoxic agent doxorubicin, induces DEPTOR expression, leading to cancer cell resistance to doxorubicin. Together, DEPTOR is a direct p53 downstream target and contributes to p53-mediated inhibition of cell proliferation, survival, and chemosensitivity.
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Affiliation(s)
- Danrui Cui
- Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaoqing Dai
- Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Longyuan Gong
- Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaoyu Chen
- Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Linchen Wang
- Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiufang Xiong
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China.,Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yongchao Zhao
- Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China. .,Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China.
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38
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Wang G, Yu Y, Cai W, Batista TM, Suk S, Noh HL, Hirshman M, Nigro P, Li ME, Softic S, Goodyear L, Kim JK, Kahn CR. Muscle-Specific Insulin Receptor Overexpression Protects Mice From Diet-Induced Glucose Intolerance but Leads to Postreceptor Insulin Resistance. Diabetes 2020; 69:2294-2309. [PMID: 32868340 PMCID: PMC7576573 DOI: 10.2337/db20-0439] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 08/25/2020] [Indexed: 12/22/2022]
Abstract
Skeletal muscle insulin resistance is a prominent early feature in the pathogenesis of type 2 diabetes. In attempt to overcome this defect, we generated mice overexpressing insulin receptors (IR) specifically in skeletal muscle (IRMOE). On normal chow, IRMOE mice have body weight similar to that of controls but an increase in lean mass and glycolytic muscle fibers and reduced fat mass. IRMOE mice also show higher basal phosphorylation of IR, IRS-1, and Akt in muscle and improved glucose tolerance compared with controls. When challenged with high-fat diet (HFD), IRMOE mice are protected from diet-induced obesity. This is associated with reduced inflammation in fat and liver, improved glucose tolerance, and improved systemic insulin sensitivity. Surprisingly, however, in both chow and HFD-fed mice, insulin-stimulated Akt phosphorylation is significantly reduced in muscle of IRMOE mice, indicating postreceptor insulin resistance. RNA sequencing reveals downregulation of several postreceptor signaling proteins that contribute to this resistance. Thus, enhancing early insulin signaling in muscle by overexpression of the IR protects mice from diet-induced obesity and its effects on glucose metabolism. However, chronic overstimulation of this pathway leads to postreceptor desensitization, indicating the critical balance between normal signaling and hyperstimulation of the insulin signaling pathway.
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Affiliation(s)
- Guoxiao Wang
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA
| | - Yingying Yu
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA
| | - Weikang Cai
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA
- Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY
| | - Thiago M Batista
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA
| | - Sujin Suk
- Program in Molecular Medicine and Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine, University of Massachusetts Medical School, Worcester, MA
| | - Hye Lim Noh
- Program in Molecular Medicine and Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine, University of Massachusetts Medical School, Worcester, MA
| | - Michael Hirshman
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA
| | - Pasquale Nigro
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA
| | - Mengyao Ella Li
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA
| | - Samir Softic
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA
- Divisions of Pediatric Gastroenterology and Pharmacology and Nutritional Sciences, University of Kentucky College of Medicine, Lexington, KY
| | - Laurie Goodyear
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA
| | - Jason K Kim
- Program in Molecular Medicine and Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine, University of Massachusetts Medical School, Worcester, MA
| | - C Ronald Kahn
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA
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Wurmser M, Chaverot N, Madani R, Sakai H, Negroni E, Demignon J, Saint-Pierre B, Mouly V, Amthor H, Tapscott S, Birchmeier C, Tajbakhsh S, Le Grand F, Sotiropoulos A, Maire P. SIX1 and SIX4 homeoproteins regulate PAX7+ progenitor cell properties during fetal epaxial myogenesis. Development 2020; 147:dev.185975. [PMID: 32591430 DOI: 10.1242/dev.185975] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 06/18/2020] [Indexed: 01/09/2023]
Abstract
Pax7 expression marks stem cells in developing skeletal muscles and adult satellite cells during homeostasis and muscle regeneration. The genetic determinants that control the entrance into the myogenic program and the appearance of PAX7+ cells during embryogenesis are poorly understood. SIX homeoproteins are encoded by the sine oculis-related homeobox Six1-Six6 genes in vertebrates. Six1, Six2, Six4 and Six5 are expressed in the muscle lineage. Here, we tested the hypothesis that Six1 and Six4 could participate in the genesis of myogenic stem cells. We show that fewer PAX7+ cells occupy a satellite cell position between the myofiber and its associated basal lamina in Six1 and Six4 knockout mice (s1s4KO) at E18. However, PAX7+ cells are detected in remaining muscle masses present in the epaxial region of the double mutant embryos and are able to divide and contribute to muscle growth. To further characterize the properties of s1s4KO PAX7+ cells, we analyzed their transcriptome and tested their properties after transplantation in adult regenerating tibialis anterior muscle. Mutant stem cells contribute to hypotrophic myofibers that are not innervated but retain the ability to self-renew.
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Affiliation(s)
- Maud Wurmser
- Université de Paris, Institut Cochin, INSERM, CNRS, 24 rue du Fg St Jacques, F-75014 Paris, France
| | - Nathalie Chaverot
- Université de Paris, Institut Cochin, INSERM, CNRS, 24 rue du Fg St Jacques, F-75014 Paris, France
| | - Rouba Madani
- Université de Paris, Institut Cochin, INSERM, CNRS, 24 rue du Fg St Jacques, F-75014 Paris, France
| | - Hiroshi Sakai
- Division of Integrative Pathophysiology, Proteo-Science Center, Ehime University, Toon, Ehime, 791-0295, Japan.,Stem Cells and Development, Department of Developmental and Stem Cell Biology, Institut Pasteur, 25 rue du Dr. Roux, 75015, Paris, France.,CNRS UMR 3738, Institut Pasteur, 75015 Paris, France
| | - Elisa Negroni
- Sorbonne Université, Institut de Myologie, INSERM, 75013 Paris, France
| | - Josiane Demignon
- Université de Paris, Institut Cochin, INSERM, CNRS, 24 rue du Fg St Jacques, F-75014 Paris, France
| | - Benjamin Saint-Pierre
- Université de Paris, Institut Cochin, INSERM, CNRS, 24 rue du Fg St Jacques, F-75014 Paris, France
| | - Vincent Mouly
- Sorbonne Université, Institut de Myologie, INSERM, 75013 Paris, France
| | - Helge Amthor
- INSERM U1179, LIA BAHN CSM, Université de Versailles Saint-Quentin-en-Yvelines, Montigny-le-Bretonneux, France
| | | | | | - Shahragim Tajbakhsh
- Stem Cells and Development, Department of Developmental and Stem Cell Biology, Institut Pasteur, 25 rue du Dr. Roux, 75015, Paris, France.,CNRS UMR 3738, Institut Pasteur, 75015 Paris, France
| | - Fabien Le Grand
- Université de Paris, Institut Cochin, INSERM, CNRS, 24 rue du Fg St Jacques, F-75014 Paris, France.,Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS, INSERM, 69008 Lyon, France
| | - Athanassia Sotiropoulos
- Université de Paris, Institut Cochin, INSERM, CNRS, 24 rue du Fg St Jacques, F-75014 Paris, France
| | - Pascal Maire
- Université de Paris, Institut Cochin, INSERM, CNRS, 24 rue du Fg St Jacques, F-75014 Paris, France
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40
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Li Y, Luo Y, Li B, Niu L, Liu J, Duan X. miRNA-182/Deptor/mTOR axis regulates autophagy to reduce intestinal ischaemia/reperfusion injury. J Cell Mol Med 2020; 24:7873-7883. [PMID: 32510855 PMCID: PMC7348187 DOI: 10.1111/jcmm.15420] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 05/01/2020] [Accepted: 05/06/2020] [Indexed: 02/06/2023] Open
Abstract
It had been reported miR‐182 was down‐regulated after intestinal ischaemia/reperfusion (I/R) damage. However, its role and potential mechanisms are still unknown. This study was aimed to elucidate the function of miR‐182 in intestinal I/R injury and the underlying mechanisms. The model of intestinal injury was constructed in wild‐type and Deptor knockout (KO) mice. Haematoxylin‐eosin staining, Chiu's score and diamine oxidase were utilized to detect intestinal damage. RT‐qPCR assay was used to detected miR‐182 expression. Electronic microscopy was used to detect autophagosome. Western blot was applied to detect the expression of Deptor, S6/pS6, LC3‐II/LC3‐I and p62. Dual‐luciferase reporter assay was used to verify the relationship between miR‐182 and Deptor. The results showed miR‐182 was down‐regulated following intestinal I/R. Up‐regulation of miR‐182 reduced intestinal damage, autophagy, Deptor expression and enhanced mTOR activity following intestinal I/R. Moreover, suppression of autophagy reduced intestinal damage and inhibition of mTOR by rapamycin aggravated intestinal damage following intestinal I/R. Besides, damage of intestine was reduced and mTOR activity was enhanced in Deptor KO mice. In addition, Deptor was the target gene of miR‐182 and was indispensable for the protection of miR‐182 on intestine under I/R condition. Together, our research implicated up‐regulation of miR‐182 inhibited autophagy to alleviate intestinal I/R injury via mTOR by targeting Deptor.
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Affiliation(s)
- Yunsheng Li
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yanhua Luo
- Department of Anesthesiology, Zhongshan Ophthalmic Center of Sun Yat-sen University, Guangzhou, China
| | - Baochuan Li
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Lijun Niu
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jiaxin Liu
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xiaoyun Duan
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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Liu T, Mi L, Xiong J, Orchard P, Yu Q, Yu L, Zhao XY, Meng ZX, Parker SCJ, Lin JD, Li S. BAF60a deficiency uncouples chromatin accessibility and cold sensitivity from white fat browning. Nat Commun 2020; 11:2379. [PMID: 32404872 PMCID: PMC7221096 DOI: 10.1038/s41467-020-16148-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 03/19/2020] [Indexed: 02/08/2023] Open
Abstract
Brown and beige fat share a remarkably similar transcriptional program that supports fuel oxidation and thermogenesis. The chromatin-remodeling machinery that governs genome accessibility and renders adipocytes poised for thermogenic activation remains elusive. Here we show that BAF60a, a subunit of the SWI/SNF chromatin-remodeling complexes, serves an indispensable role in cold-induced thermogenesis in brown fat. BAF60a maintains chromatin accessibility at PPARγ and EBF2 binding sites for key thermogenic genes. Surprisingly, fat-specific BAF60a inactivation triggers more pronounced cold-induced browning of inguinal white adipose tissue that is linked to induction of MC2R, a receptor for the pituitary hormone ACTH. Elevated MC2R expression sensitizes adipocytes and BAF60a-deficient adipose tissue to thermogenic activation in response to ACTH stimulation. These observations reveal an unexpected dichotomous role of BAF60a-mediated chromatin remodeling in transcriptional control of brown and beige gene programs and illustrate a pituitary-adipose signaling axis in the control of thermogenesis.
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MESH Headings
- Adipocytes, Brown/drug effects
- Adipocytes, Brown/metabolism
- Adipocytes, Brown/ultrastructure
- Adipose Tissue, Beige/metabolism
- Adipose Tissue, Brown/drug effects
- Adipose Tissue, Brown/metabolism
- Adipose Tissue, White/drug effects
- Adipose Tissue, White/metabolism
- Adrenocorticotropic Hormone/pharmacology
- Animals
- Basic Helix-Loop-Helix Transcription Factors/metabolism
- Binding Sites/genetics
- Cells, Cultured
- Chromatin/genetics
- Chromatin/metabolism
- Chromosomal Proteins, Non-Histone/deficiency
- Chromosomal Proteins, Non-Histone/genetics
- Cold Temperature
- Gene Expression/drug effects
- Membrane Proteins/genetics
- Membrane Proteins/metabolism
- Mice, Inbred C57BL
- Mice, Knockout
- Mice, Transgenic
- Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha/metabolism
- Thermogenesis/drug effects
- Thermogenesis/genetics
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Affiliation(s)
- Tongyu Liu
- Life Sciences Institute and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, 48109, USA
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Lin Mi
- Life Sciences Institute and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Jing Xiong
- Life Sciences Institute and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Peter Orchard
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, 48109, USA
- Department of Human Genetics, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Qi Yu
- Life Sciences Institute and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Lei Yu
- Life Sciences Institute and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Xu-Yun Zhao
- Life Sciences Institute and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Zhuo-Xian Meng
- Department of Pathology and Pathophysiology, Key Laboratory of Disease Proteomics of Zhejiang Province, Hangzhou, Zhejiang, 310058, China
- Chronic Disease Research Institute of School of Public Health, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Stephen C J Parker
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, 48109, USA
- Department of Human Genetics, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Jiandie D Lin
- Life Sciences Institute and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, 48109, USA.
| | - Siming Li
- Life Sciences Institute and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, 48109, USA.
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42
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Klen J, Goričar K, Horvat S, Stojan J, Dolžan V. DEPTOR polymorphisms influence late complications in Type 2 diabetes patients. Pharmacogenomics 2020; 20:879-890. [PMID: 31453770 DOI: 10.2217/pgs-2019-0058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Aim: We investigated if DEPTOR polymorphisms influence metabolic parameters and risk for vascular complications in Type 2 diabetes (T2D) patients. Methods: T2D patients were genotyped for DEPTOR rs7840156, rs2271900 and rs4871827. We built low homology model of DEPTOR to check the position of two investigated substitutions within the protein 3D structure. Results: Carriers of polymorphic DEPTOR rs4871827 A allele had higher HDL cholesterol than noncarriers (p = 0.008). Risk for macrovascular and microvascular complications was increased in rs4871827 GG normal genotype carriers (p = 0.006 and p = 0.021, respectively). Low homology model of DEPTOR has shown that p.Ser389Asn substitution resulting from rs4871827 polymorphism is located at the interaction surface with mTOR. Conclusion: Our data suggest role of DEPTOR polymorphism in T2D vascular complication. First draft submitted: xxx; Accepted for publication: xxx; Published online: TBC.
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Affiliation(s)
- Jasna Klen
- At time of writing: General Hospital Trbovlje, Rudarska cesta 9, 1420 Trbovlje, Slovenia.,At time of publication: Division of Surgery, Department of Abdominal Surgery, University Medical Centre Ljubljana, Zaloška c. 2, 1000 Ljubljana, Slovenia
| | - Katja Goričar
- Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia
| | - Simon Horvat
- Animal Science Department, Biotechnical Faculty, University of Ljubljana, 1230 Domžale, Slovenia
| | - Jure Stojan
- Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia
| | - Vita Dolžan
- Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia
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43
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Maire P, Dos Santos M, Madani R, Sakakibara I, Viaut C, Wurmser M. Myogenesis control by SIX transcriptional complexes. Semin Cell Dev Biol 2020; 104:51-64. [PMID: 32247726 DOI: 10.1016/j.semcdb.2020.03.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 03/10/2020] [Accepted: 03/11/2020] [Indexed: 02/07/2023]
Abstract
SIX homeoproteins were first described in Drosophila, where they participate in the Pax-Six-Eya-Dach (PSED) network with eyeless, eyes absent and dachsund to drive synergistically eye development through genetic and biochemical interactions. The role of the PSED network and SIX proteins in muscle formation in vertebrates was subsequently identified. Evolutionary conserved interactions with EYA and DACH proteins underlie the activity of SIX transcriptional complexes (STC) both during embryogenesis and in adult myofibers. Six genes are expressed throughout muscle development, in embryonic and adult proliferating myogenic stem cells and in fetal and adult post-mitotic myofibers, where SIX proteins regulate the expression of various categories of genes. In vivo, SIX proteins control many steps of muscle development, acting through feedforward mechanisms: in the embryo for myogenic fate acquisition through the direct control of Myogenic Regulatory Factors; in adult myofibers for their contraction/relaxation and fatigability properties through the control of genes involved in metabolism, sarcomeric organization and calcium homeostasis. Furthermore, during development and in the adult, SIX homeoproteins participate in the genesis and the maintenance of myofibers diversity.
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Affiliation(s)
- Pascal Maire
- Université de Paris, Institut Cochin, INSERM, CNRS, 75014, Paris, France.
| | | | - Rouba Madani
- Université de Paris, Institut Cochin, INSERM, CNRS, 75014, Paris, France
| | - Iori Sakakibara
- Research Center for Advanced Science and Technology, The University of Tokyo, Japan
| | - Camille Viaut
- Université de Paris, Institut Cochin, INSERM, CNRS, 75014, Paris, France
| | - Maud Wurmser
- Department of Integrative Medical Biology (IMB), Umeå universitet, Sweden
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44
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Morrison AJ. Chromatin-remodeling links metabolic signaling to gene expression. Mol Metab 2020; 38:100973. [PMID: 32251664 PMCID: PMC7300377 DOI: 10.1016/j.molmet.2020.100973] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 03/01/2020] [Accepted: 03/03/2020] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND ATP-dependent chromatin remodelers are evolutionarily conserved complexes that alter nucleosome positioning to influence many DNA-templated processes, such as replication, repair, and transcription. In particular, chromatin remodeling can dynamically regulate gene expression by altering accessibility of chromatin to transcription factors. SCOPE OF REVIEW This review provides an overview of the importance of chromatin remodelers in the regulation of metabolic gene expression. Particular emphasis is placed on the INO80 and SWI/SNF (BAF/PBAF) chromatin remodelers in both yeast and mammals. This review details discoveries from the initial identification of chromatin remodelers in Saccharomyces cerevisiae to recent discoveries in the metabolic requirements of developing embryonic tissues in mammals. MAJOR CONCLUSIONS INO80 and SWI/SNF (BAF/PBAF) chromatin remodelers regulate the expression of energy metabolism pathways in S. cerevisiae and mammals in response to diverse nutrient environments. In particular, the INO80 complex organizes the temporal expression of gene expression in the metabolically synchronized S. cerevisiae system. INO80-mediated chromatin remodeling is also needed to constrain cell division during metabolically favorable conditions. Conversely, the BAF/PBAF remodeler regulates tissue-specific glycolytic metabolism and is disrupted in cancers that are dependent on glycolysis for proliferation. The role of chromatin remodeling in metabolic gene expression is downstream of the metabolic signaling pathways, such as the TOR pathway, a critical regulator of metabolic homeostasis. Furthermore, the INO80 and BAF/PBAF chromatin remodelers have both been shown to regulate heart development, the tissues of which have unique requirements for energy metabolism during development. Collectively, these results demonstrate that chromatin remodelers communicate metabolic status to chromatin and are a central component of homeostasis pathways that optimize cell fitness, organismal development, and prevent disease.
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Affiliation(s)
- Ashby J Morrison
- Department of Biology, Stanford University, Stanford CA 94305, USA.
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45
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Lin H, Wang T, Ruan Y, Liu K, Li H, Wang S, Li M, Liu J. Rapamycin Supplementation May Ameliorate Erectile Function in Rats With Streptozotocin-Induced Type 1 Diabetes by Inducing Autophagy and Inhibiting Apoptosis, Endothelial Dysfunction, and Corporal Fibrosis. J Sex Med 2019; 15:1246-1259. [PMID: 30224017 DOI: 10.1016/j.jsxm.2018.07.013] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 07/16/2018] [Accepted: 07/23/2018] [Indexed: 12/15/2022]
Abstract
INTRODUCTION Erectile dysfunction (ED), which is common in patients with diabetes mellitus (DM), seriously affects quality of life. Previous studies on the treatment of DM-induced ED (DMED) involve autophagy, but the specific effect and mechanism of treatment are not yet clear. AIM To investigate the effect and mechanism of rapamycin, an autophagy inducer, in ameliorating DMED. METHODS 45 male Sprague-Dawley rats (7 weeks old) were used in the experiment. 8 rats were randomly selected as the control group; the other rats were treated with streptozotocin to induce type 1 DM. After 10 weeks, an apomorphine test was used to confirm DMED. Rats with DMED were intraperitoneally injected with rapamycin or vehicle for 3 weeks. Rats in the control group were injected with saline. Erectile function in rats was measured by electrically stimulating the cavernous nerve. The penises were then harvested for histologic examinations, ribonucleic acid (RNA), and protein levels of related factors by immunohistochemistry, immunofluorescence, real-time polymerase chain reaction, enzyme-linked immunosorbent assay, and Western blot. MAIN OUTCOME MEASURE Erectile function was evaluated by maximum intracavernous pressure and mean arterial pressure. Penile tissues were used to perform histologic examinations and to determine the RNA and protein levels. RESULTS Erectile function, which was impaired in rats with DMED, was significantly ameliorated in the DMED + rapamycin group. The nitric oxide (NO)/cyclic guanosine monophosphate (cGMP) pathway was inhibited in the DMED group, and rapamycin significantly reduced this inhibition. The DMED group showed increased autophagy and apoptosis level compared with the non-diabetic group, and rapamycin increased the autophagy level and decreased the apoptosis level in the penis. Penile fibrosis was more severe in the DMED group than in the control group and was partially but significantly improved in the DMED + rapamycin group compared with the DMED group. The adenosine monophosphate-activated protein kinase (AMPK)/mammalian target of rapamycin kinase (mTOR) and PI3K/AKT/mTOR pathways were activated, and the mTOR (regulatory associated protein of mTOR, complex 1 [raptor])/p70 ribosomal protein S6 kinase (p70S6K) pathway was inhibited in the DMED group. Compared with DMED group, rapamycin led to lower AMPK/mTOR and AKT/mTOR pathways expression, a higher degree of mTOR (raptor)/p70S6K pathway inhibition, and no change in the mTORC2-related pathway. CLINICAL IMPLICATIONS Rapamycin was effective in restoring erectile function in type 1 DMED models. STRENGTH AND LIMITATIONS This study suggested for the first time that rapamycin, an autophagy inducer, is effective in restoring erectile function in rats with diabetes. However, the rat model might not represent the human condition. CONCLUSION Rapamycin improved erectile function in rats with DMED, likely by promoting autophagy, inhibiting apoptosis and fibrotic activity, and ameliorating endothelial function. These findings provide evidence of a potential treatment option for DMED. Lin H, Wang T, Ruan Y, et al. Rapamycin supplementation may ameliorate erectile function in rats with streptozotocin-induced type 1 diabetes by inducing autophagy and inhibiting apoptosis, endothelial dysfunction, and corporal fibrosis. J Sex Med 2018;15:1246-1259.
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Affiliation(s)
- Huang Lin
- Department of Urology and Institute of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, China
| | - Tao Wang
- Department of Urology and Institute of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, China
| | - Yajun Ruan
- Department of Urology and Institute of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, China
| | - Kang Liu
- Department of Urology and Institute of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, China
| | - Hao Li
- Department of Urology and Institute of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, China
| | - Shaogang Wang
- Department of Urology and Institute of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, China
| | - Mingchao Li
- Department of Urology and Institute of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, China.
| | - Jihong Liu
- Department of Urology and Institute of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, China
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46
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Neurochemical investigation of multiple locally induced seizures using microdialysis sampling: Epilepsy effects on glutamate release. Brain Res 2019; 1722:146360. [PMID: 31377104 DOI: 10.1016/j.brainres.2019.146360] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 07/30/2019] [Accepted: 07/31/2019] [Indexed: 12/30/2022]
Abstract
The objective of this study was to develop an in vivo model for locally induced epilepsy. Epilepsy is a prominent neurological disorder that affects millions of people worldwide. Patients may experience either global seizures, affecting the entire brain, or focal seizures, affecting only one brain region. The majority of epileptic patients experience focal seizures but they go undiagnosed because such seizures can be difficult to detect. To better understand the effects of focal epilepsy on the neurochemistry of a brain region with high seizure diathesis, an animal model for locally induced seizures in the hippocampus was developed. In this model, two seizure events were chemically induced by administering the epileptogenic agent, 3-mercaptopropionic acid (3-MPA), to the hippocampus to disturb the balance between excitatory and inhibitory neurotransmitters in the brain. Microdialysis was used for local delivery of 3-MPA as well as for collection of dialysate for neurochemical analyses. Two periods of seizures separated by varying inter-seizure recovery times were employed, and changes in the release of the excitatory transmitter, glutamate, were measured. Significant differences in glutamate release were observed between the first and second seizure episodes. Diminished glutamate biosynthesis, enhanced glutamate re-uptake, and/or neuronal death were considered possible causes of the attenuated glutamate release during the second seizure episode. Biochemical measurements were indicative that a combination of these factors led to the attenuation in glutamate release.
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Liu X, Qu H, Zheng Y, Liao Q, Zhang L, Liao X, Xiong X, Wang Y, Zhang R, Wang H, Tong Q, Liu Z, Dong H, Yang G, Zhu Z, Xu J, Zheng H. Mitochondrial glycerol 3-phosphate dehydrogenase promotes skeletal muscle regeneration. EMBO Mol Med 2019; 10:emmm.201809390. [PMID: 30389681 PMCID: PMC6284384 DOI: 10.15252/emmm.201809390] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
While adult mammalian skeletal muscle is stable due to its post‐mitotic nature, muscle regeneration is still essential throughout life for maintaining functional fitness. During certain diseases, such as the modern pandemics of obesity and diabetes, the regeneration process becomes impaired, which leads to the loss of muscle function and contributes to the global burden of these diseases. However, the underlying mechanisms of the impairment are not well defined. Here, we identify mGPDH as a critical regulator of skeletal muscle regeneration. Specifically, it regulates myogenic markers and myoblast differentiation by controlling mitochondrial biogenesis via CaMKKβ/AMPK. mGPDH−/− attenuated skeletal muscle regeneration in vitro and in vivo, while mGPDH overexpression ameliorated dystrophic pathology in mdx mice. Moreover, in patients and animal models of obesity and diabetes, mGPDH expression in skeletal muscle was reduced, further suggesting a direct correlation between its abundance and muscular regeneration capability. Rescuing mGPDH expression in obese and diabetic mice led to a significant improvement in their muscle regeneration. Our study provides a potential therapeutic target for skeletal muscle regeneration impairment during obesity and diabetes.
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Affiliation(s)
- Xiufei Liu
- Translational Research Key Laboratory for Diabetes, Department of Endocrinology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Hua Qu
- Translational Research Key Laboratory for Diabetes, Department of Endocrinology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Yi Zheng
- Translational Research Key Laboratory for Diabetes, Department of Endocrinology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Qian Liao
- Translational Research Key Laboratory for Diabetes, Department of Endocrinology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Linlin Zhang
- Translational Research Key Laboratory for Diabetes, Department of Endocrinology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Xiaoyu Liao
- Translational Research Key Laboratory for Diabetes, Department of Endocrinology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Xin Xiong
- Translational Research Key Laboratory for Diabetes, Department of Endocrinology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Yuren Wang
- Translational Research Key Laboratory for Diabetes, Department of Endocrinology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Rui Zhang
- Translational Research Key Laboratory for Diabetes, Department of Endocrinology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Hui Wang
- Translational Research Key Laboratory for Diabetes, Department of Endocrinology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Qiang Tong
- Translational Research Key Laboratory for Diabetes, Department of Endocrinology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Zhenqi Liu
- Division of Endocrinology and Metabolism, Department of Internal Medicine, University of Virginia Health System, Charlottesville, VA, USA
| | - Hui Dong
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Gangyi Yang
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Zhiming Zhu
- Department of Hypertension and Endocrinology, Daping Hospital, Third Military Medical University, Chongqing, China
| | - Jing Xu
- Translational Research Key Laboratory for Diabetes, Department of Endocrinology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Hongting Zheng
- Translational Research Key Laboratory for Diabetes, Department of Endocrinology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
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BDNF is a mediator of glycolytic fiber-type specification in mouse skeletal muscle. Proc Natl Acad Sci U S A 2019; 116:16111-16120. [PMID: 31320589 DOI: 10.1073/pnas.1900544116] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Brain-derived neurotrophic factor (BDNF) influences the differentiation, plasticity, and survival of central neurons and likewise, affects the development of the neuromuscular system. Besides its neuronal origin, BDNF is also a member of the myokine family. However, the role of skeletal muscle-derived BDNF in regulating neuromuscular physiology in vivo remains unclear. Using gain- and loss-of-function animal models, we show that muscle-specific ablation of BDNF shifts the proportion of muscle fibers from type IIB to IIX, concomitant with elevated slow muscle-type gene expression. Furthermore, BDNF deletion reduces motor end plate volume without affecting neuromuscular junction (NMJ) integrity. These morphological changes are associated with slow muscle function and a greater resistance to contraction-induced fatigue. Conversely, BDNF overexpression promotes a fast muscle-type gene program and elevates glycolytic fiber number. These findings indicate that BDNF is required for fiber-type specification and provide insights into its potential modulation as a therapeutic target in muscle diseases.
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49
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Li Y, Pan H, Zhang X, Wang H, Liu S, Zhang H, Qian H, Wang L, Ying H. Geniposide Improves Glucose Homeostasis via Regulating FoxO1/PDK4 in Skeletal Muscle. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:4483-4492. [PMID: 30929433 DOI: 10.1021/acs.jafc.9b00402] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
It is well-known that imbalance state of glucose metabolism triggers many metabolic diseases and glucose uptake in skeletal muscle accounts for 90% of body weight. Geniposide is one of the major natural bioactive constituents of gardenia fruit, and the regulation of geniposide on glucose metabolism in skeletal muscle has not yet been investigated. Here, on the basis of microarray analysis, we discovered that geinposide decreased pyruvate dehydrogenase kinase 4 (PDK4) expression in skeletal muscle of mice and subsequently found that geniposide inhibited the expressions of forkhead box O1 (FoxO1), PDK4, and phosphorylated pyruvate dehydrogenase in vitro and in vivo. Moreover, geniposide promoted a switch of slow-to-fast myofiber type and glucose utilization, suggesting that geniposide improved glucose homeostasis. In addition, mechanistic studies revealed that geniposide played above roles by regulating FoxO1/PDK4, which controlled fuel selection via pyruvate dehydrogenase. Meanwhile, effects of geniposide mentioned above could be reversed by FoxO1 overexpression. Together, these results establish that geniposide confers controls on fuel usage and glucose homeostasis through FoxO1/PDK4 in skeletal muscle.
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Affiliation(s)
- Yan Li
- Chinese Academy of Sciences (CAS) Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences , Chinese Academy of Sciences , 320 Yueyang Road , Shanghai 200031 , People's Republic of China
| | | | - Xuetong Zhang
- Affiliated Hospital of Jiangnan University (Wuxi No. 4 People's Hospital) , Jiangnan University , Wuxi , Jiangsu 214062 , People's Republic of China
| | - Hui Wang
- Chinese Academy of Sciences (CAS) Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences , Chinese Academy of Sciences , 320 Yueyang Road , Shanghai 200031 , People's Republic of China
| | - Shengnan Liu
- Chinese Academy of Sciences (CAS) Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences , Chinese Academy of Sciences , 320 Yueyang Road , Shanghai 200031 , People's Republic of China
| | | | | | | | - Hao Ying
- Chinese Academy of Sciences (CAS) Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences , Chinese Academy of Sciences , 320 Yueyang Road , Shanghai 200031 , People's Republic of China
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50
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Qu YL, Deng CH, Luo Q, Shang XY, Wu JX, Shi Y, Wang L, Han ZG. Arid1a regulates insulin sensitivity and lipid metabolism. EBioMedicine 2019; 42:481-493. [PMID: 30879920 PMCID: PMC6491943 DOI: 10.1016/j.ebiom.2019.03.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 02/27/2019] [Accepted: 03/08/2019] [Indexed: 12/26/2022] Open
Abstract
Background Although significant progress has been made in understanding the mechanisms of steatosis and insulin resistance, the physiological functions of the epigenetic regulators in these processes remain largely elusive. Methods Hepatocyte-specific Arid1a knockout mice were administrated with high-fat diet (HFD) for 12 weeks, then insulin sensitivity was assessed by glucose tolerance test (GTT) and insulin tolerance test (ITT). The metabolism-related indicators were determined by employing a variety of biological methods, including histology, real-time PCR, enzyme-linked immunosorbent assay (ELISA), Western blotting assay, Chromatin immunoprecipitation (ChIP), RNA-seq and assay for Transposase-Accessible Chromatin with high-throughput sequencing (ATAC-seq). Findings Hepatocyte-specific Arid1a deletion significantly increases susceptibility to develop hepatic steatosis, insulin resistance and inflammation in mice fed a HFD. In vitro, Arid1a deletion in isolated hepatocytes directly leads to free fatty acid-induced lipid accumulation and insulin resistance. Mechanically, Arid1a deficiency impairs fatty acid oxidation by downregulating PPARα and altering the epigenetic landscape of some metabolism genes. Interpretation These findings reveal that targeting Arid1a might be a promising therapeutic strategy for liver steatosis and insulin resistance. Fund This work was supported by National Natural Science Foundation of China (81672772 and 81472621), China National Science and Technology Major Project for Prevention and Treatment of Infectious Diseases (No.2017ZX 10203207) and National Program on Key Research Project of China (grant no. 2016YFC0902701).
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Affiliation(s)
- Yu-Lan Qu
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Chuan-Huai Deng
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Qing Luo
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xue-Ying Shang
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jiao-Xiang Wu
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China; Collaborative Innovation Center of Systems Biomedicine of Rui-Jin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yi Shi
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Lan Wang
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Ze-Guang Han
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China.
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