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Wan X, Wang L, Khan MA, Peng L, Zhang K, Sun X, Yi X, Wang Z, Chen K. Shift work promotes adipogenesis via cortisol-dependent downregulation of EGR3-HDAC6 pathway. Cell Death Discov 2024; 10:129. [PMID: 38467615 PMCID: PMC10928160 DOI: 10.1038/s41420-024-01904-9] [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: 08/11/2023] [Revised: 02/27/2024] [Accepted: 03/04/2024] [Indexed: 03/13/2024] Open
Abstract
The disruption of circadian rhythms caused by long-term shift work can cause metabolic diseases such as obesity. Early growth response 3 (EGR3) is a member of early growth response (EGR) family, which is involved in several cellular responses, had been reported as a circadian rhythm gene in suprachiasmatic nucleus. In this research, EGR3 was found to be widely expressed in the different tissue of human and mice, and downregulated in adipose tissue of obese subjects and high-fat diet mice. Moreover, EGR3 was found negatively regulated by cortisol. In addition, EGR3 is a key negative modulator of hADSCs and 3T3-L1 adipogenesis via regulating HDAC6, which is a downstream target gene of EGR3 and a negative regulator of adipogenesis and lipogenesis. These findings may explain how circadian rhythm disorder induced by shift works can cause obesity. Our study revealed a potential therapeutic target to alleviate metabolic disorders in shift workers and may provide better health guidance to shift workers.
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Affiliation(s)
- Xinxing Wan
- Department of Endocrinology, The Third Xiangya Hospital of Central South University, Changsha, 410013, Hunan, PR China
| | - Linghao Wang
- Department of Endocrinology, The Third Xiangya Hospital of Central South University, Changsha, 410013, Hunan, PR China
| | - Md Asaduzzaman Khan
- Department of Biochemistry and Microbiology, North South University, Dhaka, 1229, Bangladesh
- Pulmonary Department, Chobanian & Avedisian School of Medicine, Boston University, Boston, MA, 02118, USA
| | - Lin Peng
- Department of Nephrology, The First Hospital of Changsha, Changsha, 410005, Hunan, PR China
| | - Keke Zhang
- Department of Endocrinology, The Third Xiangya Hospital of Central South University, Changsha, 410013, Hunan, PR China
| | - Xiaoying Sun
- Department of Endocrinology, The Third Xiangya Hospital of Central South University, Changsha, 410013, Hunan, PR China
| | - Xuan Yi
- Department of Endocrinology, The Third Xiangya Hospital of Central South University, Changsha, 410013, Hunan, PR China
| | - Zhouqi Wang
- Department of Endocrinology, The Third Xiangya Hospital of Central South University, Changsha, 410013, Hunan, PR China
| | - Ke Chen
- Department of Endocrinology, The Third Xiangya Hospital of Central South University, Changsha, 410013, Hunan, PR China.
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2
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Raza GS, Kaya Y, Stenbäck V, Sharma R, Sodum N, Mutt SJ, Gagnon DD, Tulppo M, Järvelin MR, Herzig KH, Mäkelä KA. Effect of Aerobic Exercise and Time-Restricted Feeding on Metabolic Markers and Circadian Rhythm in Mice Fed with the High-Fat Diet. Mol Nutr Food Res 2024; 68:e2300465. [PMID: 38389173 DOI: 10.1002/mnfr.202300465] [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: 07/06/2023] [Revised: 11/30/2023] [Indexed: 02/24/2024]
Abstract
SCOPE Diet and exercise are significant players in obesity and metabolic diseases. Time-restricted feeding (tRF) has been shown to improve metabolic responses by regulating circadian clocks but whether it acts synergically with exercise remains unknown. It is hypothesized that forced exercise alone or combined with tRF alleviates obesity and its metabolic complications. METHODS AND RESULTS Male C57bl6 mice are fed with high-fat or a control diet for 12 weeks either ad libitum or tRF for 10 h during their active period. High-fat diet (HFD)-fed mice are divided into exercise (treadmill for 1 h at 12 m min-1 alternate days for 9 weeks and 16 m min-1 daily for the following 3 weeks) and non-exercise groups. tRF and tRF-Ex significantly decreased body weight, food intake, and plasma lipids, and improved glucose tolerance. However, exercise reduced only body weight and plasma lipids. tRF and tRF-Ex significantly downregulated Fasn, Hmgcr, and Srebp1c, while exercise only Hmgcr. HFD feeding disrupted clock genes, but exercise, tRF, and tRF-Ex coordinated the circadian clock genes Bmal1, Per2, and Rev-Erbα in the liver, adipose tissue, and skeletal muscles. CONCLUSION HFD feeding disrupted clock genes in the peripheral organs while exercise, tRF, and their combination restored clock genes and improved metabolic consequences induced by high-fat diet feeding.
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Affiliation(s)
- Ghulam Shere Raza
- Research Unit of Biomedicine and Internal Medicine, Medical Research Center, Faculty of Medicine, Biocenter of Oulu, University of Oulu, Aapistie 5, Oulu, 90220, Finland
| | - Yağmur Kaya
- Faculty of Health Sciences, Department of Nutrition and Dietetics, Istanbul Kent University, Istanbul, 34406, Turkey
| | - Ville Stenbäck
- Research Unit of Biomedicine and Internal Medicine, Medical Research Center, Faculty of Medicine, Biocenter of Oulu, University of Oulu, Aapistie 5, Oulu, 90220, Finland
| | - Ravikant Sharma
- Research Unit of Biomedicine and Internal Medicine, Medical Research Center, Faculty of Medicine, Biocenter of Oulu, University of Oulu, Aapistie 5, Oulu, 90220, Finland
| | - Nalini Sodum
- Research Unit of Biomedicine and Internal Medicine, Medical Research Center, Faculty of Medicine, Biocenter of Oulu, University of Oulu, Aapistie 5, Oulu, 90220, Finland
| | - Shivaprakash Jagalur Mutt
- Department of Medical Cell Biology, Science for Life Laboratory, Uppsala University, Uppsala, 75123, Sweden
| | - Dominique D Gagnon
- Faculty of Sports and Health Sciences, University of Jyväskylä, Seminaarinkatu 15, Jyväskylä, 40014, Finland
- Clinic for Sports and Exercise Medicine, Department of Sports and Exercise Medicine, Faculty of Medicine, University of Helsinki Mäkelänkatu, Helsinki, 00550, Finland
| | - Mikko Tulppo
- Research Unit of Biomedicine and Internal Medicine, Medical Research Center, Faculty of Medicine, Biocenter of Oulu, University of Oulu, Aapistie 5, Oulu, 90220, Finland
| | - Marjo-Riitta Järvelin
- Department of Epidemiology and Biostatistics, MRC-PHE Centre for Environment and Health, School of Public Health, Imperial College London, London, SW72AZ, UK
| | - Karl-Heinz Herzig
- Research Unit of Biomedicine and Internal Medicine, Medical Research Center, Faculty of Medicine, Biocenter of Oulu, University of Oulu, Aapistie 5, Oulu, 90220, Finland
- Pediatric Gastroenterology and Metabolic Diseases, Pediatric Institute, Poznan University of Medical Sciences, Poznań, 60-572, Poland
| | - Kari A Mäkelä
- Research Unit of Biomedicine and Internal Medicine, Medical Research Center, Faculty of Medicine, Biocenter of Oulu, University of Oulu, Aapistie 5, Oulu, 90220, Finland
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3
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Mani A. From mouse to human. eLife 2023; 12:e94382. [PMID: 38060304 PMCID: PMC10703438 DOI: 10.7554/elife.94382] [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] [Indexed: 12/08/2023] Open
Abstract
A deep analysis of multiple genomic datasets reveals which genetic pathways associated with atherosclerosis and coronary artery disease are shared between mice and humans.
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Affiliation(s)
- Arya Mani
- Department of Internal Medicine and Genetics, Yale University School of MedicineNew HavenUnited States
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4
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Rabadán-Chávez G, Díaz de la Garza RI, Jacobo-Velázquez DA. White adipose tissue: Distribution, molecular insights of impaired expandability, and its implication in fatty liver disease. Biochim Biophys Acta Mol Basis Dis 2023; 1869:166853. [PMID: 37611674 DOI: 10.1016/j.bbadis.2023.166853] [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: 04/15/2023] [Revised: 07/17/2023] [Accepted: 08/18/2023] [Indexed: 08/25/2023]
Abstract
We are far behind the 2025 World Health Organization (WHO) goal of a zero increase in obesity. Close to 360 million people in Latin America and the Caribbean are overweight, with the highest rates observed in the Bahamas, Mexico, and Chile. To achieve relevant progress against the obesity epidemic, scientific research is essential to establish uniform practices in the study of obesity pathophysiology (using pre-clinical and clinical models) that ensure accuracy, reproducibility, and transcendent outcomes. The present review focuses on relevant aspects of white adipose tissue (WAT) expansion, underlying mechanisms of inefficient expandability, and its repercussion in ectopic lipid accumulation in the liver during nutritional abundance. In addition, we highlight the potential role of disrupted circadian rhythm in WAT metabolism. Since genetic factors also play a key role in determining an individual's predisposition to weight gain, we describe the most relevant genes associated with obesity in the Mexican population, underlining that most of them are related to appetite control.
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Affiliation(s)
- Griselda Rabadán-Chávez
- Tecnologico de Monterrey, Institute for Obesity Research, Av. Eugenio Garza Sada 2501 Sur, 64849 Monterrey, NL, Mexico
| | - Rocío I Díaz de la Garza
- Tecnologico de Monterrey, Institute for Obesity Research, Av. Eugenio Garza Sada 2501 Sur, 64849 Monterrey, NL, Mexico; Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Campus Monterrey, Av. Eugenio Garza Sada 2501 Sur, 64849 Monterrey, NL, Mexico.
| | - Daniel A Jacobo-Velázquez
- Tecnologico de Monterrey, Institute for Obesity Research, Av. Eugenio Garza Sada 2501 Sur, 64849 Monterrey, NL, Mexico; Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Campus Guadalajara, Av. General Ramon Corona 2514, C.P. 45201 Zapopan, Jalisco, Mexico.
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5
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Zhang H, Zhang X, Wang S, Zheng L, Guo H, Ren Y, Qiao B, Wu J, Zhao D, Xu L, Ma S, Hao X, Yan Y. Adipocyte-derived exosomal miR-22-3p modulated by circadian rhythm disruption regulates insulin sensitivity in skeletal muscle cells. J Biol Chem 2023; 299:105476. [PMID: 37981207 PMCID: PMC10750178 DOI: 10.1016/j.jbc.2023.105476] [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: 05/22/2023] [Revised: 10/07/2023] [Accepted: 10/17/2023] [Indexed: 11/21/2023] Open
Abstract
Circadian rhythm disruption leads to dysregulation of lipid metabolism, which further drive the occurrence of insulin resistance (IR). Exosomes are natural carrier systems that advantageous for cell communication. In the present study, we aimed to explore whether and how the exosomal microRNAs (miRNAs) in circulation participate in modulating skeletal muscle IR induced by circadian rhythm disruption. In the present study, 24-h constant light (12-h light/12-h light, LL) was used to establish the mouse model of circadian rhythm disruption. Bmal1 interference was used to establish the cell model of circadian rhythm disruption. And in clinical experiments, we chose a relatively large group of rhythm disturbance-shift nurses. We showed that LL-induced circadian rhythm disruption led to increased body weight and visceral fat volume, as well as occurrence of IR in vivo. Furthermore, exosomal miR-22-3p derived from adipocytes in the context of circadian rhythm disruption induced by Bmal1 interference could be uptaken by skeletal muscle cells to promote IR occurrence in vitro. Moreover, miR-22-3p in circulation was positively correlated with the clinical IR-associated factors. Collectively, these data showed that exosomal miR-22-3p in circulation may act as potential biomarker and therapeutic target for skeletal muscle IR, contributing to the prevention of diabetes in the context of rhythm disturbance.
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Affiliation(s)
- Haohao Zhang
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
| | - Xiaoning Zhang
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Saifei Wang
- Department of Endocrinology, The Third People's Hospital of Zhengzhou, Zhengzhou, China
| | - Lu Zheng
- Department of Endocrinology, Changzhi Medical College Affiliated Heping Hospital, Changzhi, China
| | - Hengru Guo
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yanqi Ren
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Bo Qiao
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jing Wu
- Department of Pediatrics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Di Zhao
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Lijun Xu
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Shengnan Ma
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiao Hao
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yushan Yan
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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Bolshette N, Ibrahim H, Reinke H, Asher G. Circadian regulation of liver function: from molecular mechanisms to disease pathophysiology. Nat Rev Gastroenterol Hepatol 2023; 20:695-707. [PMID: 37291279 DOI: 10.1038/s41575-023-00792-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/27/2023] [Indexed: 06/10/2023]
Abstract
A wide variety of liver functions are regulated daily by the liver circadian clock and via systemic circadian control by other organs and cells within the gastrointestinal tract as well as the microbiome and immune cells. Disruption of the circadian system, as occurs during jetlag, shift work or an unhealthy lifestyle, is implicated in several liver-related pathologies, ranging from metabolic diseases such as obesity, type 2 diabetes mellitus and nonalcoholic fatty liver disease to liver malignancies such as hepatocellular carcinoma. In this Review, we cover the molecular, cellular and organismal aspects of various liver pathologies from a circadian viewpoint, and in particular how circadian dysregulation has a role in the development and progression of these diseases. Finally, we discuss therapeutic and lifestyle interventions that carry health benefits through support of a functional circadian clock that acts in synchrony with the environment.
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Affiliation(s)
- Nityanand Bolshette
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Hussam Ibrahim
- University of Düsseldorf, Medical Faculty, Institute of Clinical Chemistry and Laboratory Diagnostics, Düsseldorf, Germany
| | - Hans Reinke
- University of Düsseldorf, Medical Faculty, Institute of Clinical Chemistry and Laboratory Diagnostics, Düsseldorf, Germany.
| | - Gad Asher
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot, Israel.
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7
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Xiong X, Kiperman T, Li W, Fang Z, Agua A, Huang W, Horne D, Ma K. Anti-adipogenic properties of clock activator chlorhexidine and a new derivative. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.12.562086. [PMID: 37873324 PMCID: PMC10592825 DOI: 10.1101/2023.10.12.562086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Background The circadian clock exerts temporal control of metabolic pathways to maintain homeostasis, and its disruption leads to the development of obesity and insulin resistance. In adipose tissue, key regulators of clock machinery orchestrate adipogenic processes via the Wnt signaling pathway to impact mature adipocyte development. Methods Based on the recent finding of chlorhexidine as a new clock activator, we determined its potential anti-adipogenic activities in distinct adipogenic progenitor models. Furthermore, we report the structural optimization of chlorhexidine leading to the discovery of analogs with improved efficacy in inhibiting adipogenesis. Results In adipogenic progenitors with Per2::dLuc luciferase reporter, Chlorhexidine shortened clock period length with induction of core clock components. Consistent with its clock-activating function, Chlorhexidine robustly suppressed the lineage commitment and maturation of adipogenic mesenchymal precursors, with comparable effect on inhibiting preadipocyte terminal differentiation. Mechanistically, we show that Chlorhexidine induces signaling components of the Wnt pathway resulting in activation of Wnt activity. Via modification of its chemical scaffold, we generated analogs of chlorhexidine that led to the identification of CM002 as a new clock- activating molecule with improved anti-adipogenic activity. Conclusions Collectively, our findings uncovered the anti-adipogenic functions of a new class of small molecule clock activators. These compounds provide novel chemical probes to dissect clock function in maintaining metabolic homeostasis and may have therapeutic implications in obesity and associated metabolic disorders.
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8
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Li W, Xiong X, Kiperman T, Ma K. Transcription Repression of CRY2 via PER2 Interaction Promotes Adipogenesis. Mol Cell Biol 2023; 43:500-514. [PMID: 37724597 PMCID: PMC10569361 DOI: 10.1080/10985549.2023.2253710] [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: 03/09/2023] [Accepted: 08/25/2023] [Indexed: 09/21/2023] Open
Abstract
The circadian clock is driven by a transcriptional-translational feedback loop, and cryptochrome 2 (CRY2) represses CLOCK/BMAL1-induced transcription activation. Despite the established role of clock in adipogenic regulation, whether the CRY2 repressor activity functions in adipocyte biology remains unclear. Here we identify a critical cysteine residue of CRY2 that mediates interaction with Period 2 (PER2). We further demonstrate that this mechanism is required for repressing circadian clock-controlled Wnt signaling to promote adipogenesis. CRY2 protein is enriched in white adipose depots and robustly induced by adipogenic differentiation. Via site-directed mutagenesis, we identified that a conserved CRY2 cysteine at 432 within the loop interfacing with PER2 mediates heterodimer complex formation that confers transcription repression. C432 mutation disrupted PER2 association without affecting BMAL1 binding, leading to loss of repression of clock transcription activation. In preadipocytes, whereas CRY2 enhanced adipocyte differentiation, the repression-defective C432 mutant suppressed this process. Furthermore, silencing of CRY2 attenuated, while stabilization of CRY2 by KL001 markedly augmented adipocyte maturation. Mechanistically, we show that transcriptional repression of Wnt pathway components underlies CRY2 modulation of adipogenesis. Collectively, our findings elucidate a CRY2-mediated repression mechanism that promotes adipocyte development, and implicate its potential as a clock intervention target for obesity.
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Affiliation(s)
- Weini Li
- Department of Diabetes Complications & Metabolism, Arthur Riggs Diabetes & Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, California, USA
| | - Xuekai Xiong
- Department of Diabetes Complications & Metabolism, Arthur Riggs Diabetes & Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, California, USA
| | - Tali Kiperman
- Department of Diabetes Complications & Metabolism, Arthur Riggs Diabetes & Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, California, USA
| | - Ke Ma
- Department of Diabetes Complications & Metabolism, Arthur Riggs Diabetes & Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, California, USA
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9
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Naik A, Forrest KM, Paul O, Issah Y, Valekunja UK, Tang SY, Reddy AB, Hennessy EJ, Brooks TG, Chaudhry F, Babu A, Morley M, Zepp JA, Grant GR, FitzGerald GA, Sehgal A, Worthen GS, Frank DB, Morrisey EE, Sengupta S. Circadian regulation of lung repair and regeneration. JCI Insight 2023; 8:e164720. [PMID: 37463053 PMCID: PMC10543710 DOI: 10.1172/jci.insight.164720] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 07/11/2023] [Indexed: 07/28/2023] Open
Abstract
Optimal lung repair and regeneration are essential for recovery from viral infections, including influenza A virus (IAV). We have previously demonstrated that acute inflammation and mortality induced by IAV is under circadian control. However, it is not known whether the influence of the circadian clock persists beyond the acute outcomes. Here, we utilize the UK Biobank to demonstrate an association between poor circadian rhythms and morbidity from lower respiratory tract infections, including the need for hospitalization and mortality after discharge; this persists even after adjusting for common confounding factors. Furthermore, we use a combination of lung organoid assays, single-cell RNA sequencing, and IAV infection in different models of clock disruption to investigate the role of the circadian clock in lung repair and regeneration. We show that lung organoids have a functional circadian clock and the disruption of this clock impairs regenerative capacity. Finally, we find that the circadian clock acts through distinct pathways in mediating lung regeneration - in tracheal cells via the Wnt/β-catenin pathway and through IL-1β in alveolar epithelial cells. We speculate that adding a circadian dimension to the critical process of lung repair and regeneration will lead to novel therapies and improve outcomes.
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Affiliation(s)
- Amruta Naik
- Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | | | - Oindrila Paul
- Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Yasmine Issah
- Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Utham K. Valekunja
- Systems Pharmacology, Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Soon Y. Tang
- Institute of Translational Medicine and Therapeutics (ITMAT), and
| | - Akhilesh B. Reddy
- Systems Pharmacology, Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Institute of Translational Medicine and Therapeutics (ITMAT), and
- Chronobiology and Sleep Institute, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | - Thomas G. Brooks
- Institute of Translational Medicine and Therapeutics (ITMAT), and
| | - Fatima Chaudhry
- Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | | | | | | | - Gregory R. Grant
- Institute of Translational Medicine and Therapeutics (ITMAT), and
- Department of Genetics
| | - Garret A. FitzGerald
- Systems Pharmacology, Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Institute of Translational Medicine and Therapeutics (ITMAT), and
- Chronobiology and Sleep Institute, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Amita Sehgal
- Institute of Translational Medicine and Therapeutics (ITMAT), and
- Chronobiology and Sleep Institute, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Department of Neuroscience, and
| | - G. Scott Worthen
- Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Systems Pharmacology, Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - David B. Frank
- Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Systems Pharmacology, Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Edward E. Morrisey
- Penn-CHOP Lung Biology Institute
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Shaon Sengupta
- Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Systems Pharmacology, Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Chronobiology and Sleep Institute, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Penn-CHOP Lung Biology Institute
- Department of Pediatrics
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10
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Civelek E, Ozturk Civelek D, Akyel YK, Kaleli Durman D, Okyar A. Circadian Dysfunction in Adipose Tissue: Chronotherapy in Metabolic Diseases. BIOLOGY 2023; 12:1077. [PMID: 37626963 PMCID: PMC10452180 DOI: 10.3390/biology12081077] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 07/26/2023] [Accepted: 07/28/2023] [Indexed: 08/27/2023]
Abstract
Essential for survival and reproduction, the circadian timing system (CTS) regulates adaptation to cyclical changes such as the light/dark cycle, temperature change, and food availability. The regulation of energy homeostasis possesses rhythmic properties that correspond to constantly fluctuating needs for energy production and consumption. Adipose tissue is mainly responsible for energy storage and, thus, operates as one of the principal components of energy homeostasis regulation. In accordance with its roles in energy homeostasis, alterations in adipose tissue's physiological processes are associated with numerous pathologies, such as obesity and type 2 diabetes. These alterations also include changes in circadian rhythm. In the current review, we aim to summarize the current knowledge regarding the circadian rhythmicity of adipogenesis, lipolysis, adipokine secretion, browning, and non-shivering thermogenesis in adipose tissue and to evaluate possible links between those alterations and metabolic diseases. Based on this evaluation, potential therapeutic approaches, as well as clock genes as potential therapeutic targets, are also discussed in the context of chronotherapy.
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Affiliation(s)
- Erkan Civelek
- Department of Pharmacology, Faculty of Pharmacy, Istanbul University, 34116 Istanbul, Turkey; (E.C.); (D.K.D.)
| | - Dilek Ozturk Civelek
- Department of Pharmacology, Faculty of Pharmacy, Bezmialem Vakıf University, 34093 Istanbul, Turkey;
| | - Yasemin Kubra Akyel
- Department of Medical Pharmacology, School of Medicine, Istanbul Medipol University, 34815 Istanbul, Turkey;
| | - Deniz Kaleli Durman
- Department of Pharmacology, Faculty of Pharmacy, Istanbul University, 34116 Istanbul, Turkey; (E.C.); (D.K.D.)
| | - Alper Okyar
- Department of Pharmacology, Faculty of Pharmacy, Istanbul University, 34116 Istanbul, Turkey; (E.C.); (D.K.D.)
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11
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Kiperman T, Li W, Xiong X, Li H, Horne D, Ma K. Targeted screening and identification of chlorhexidine as a pro-myogenic circadian clock activator. Stem Cell Res Ther 2023; 14:190. [PMID: 37525228 PMCID: PMC10391781 DOI: 10.1186/s13287-023-03424-2] [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: 09/28/2022] [Accepted: 07/21/2023] [Indexed: 08/02/2023] Open
Abstract
BACKGROUND The circadian clock is an evolutionarily conserved mechanism that exerts pervasive temporal control in stem cell behavior. This time-keeping machinery is required for orchestrating myogenic progenitor properties in regenerative myogenesis that ameliorates muscular dystrophy. Here we report a screening platform to discover circadian clock modulators that promote myogenesis and identify chlorhexidine (CHX) as a clock-activating molecule with pro-myogenic activities. METHODS A high-throughput molecular docking pipeline was applied to identify compounds with a structural fit for a hydrophobic pocket within the key circadian transcription factor protein, Circadian Locomotor Output Cycles Kaput (CLOCK). These identified molecules were further screened for clock-modulatory activities and functional validations for pro-myogenic properties. RESULTS CHX was identified as a clock activator that promotes distinct aspects of myogenesis. CHX activated circadian clock that reduced cycling period length and augmented amplitude. This action was mediated by the targeted CLOCK structure via augmented interaction with heterodimer partner Bmal1, leading to enhanced CLOCK/Bmal1-controlled transcription with upregulation of core clock genes. Consistent with its clock-activating function, CHX displayed robust effects on stimulating myogenic differentiation in a clock-dependent manner. In addition, CHX augmented the proliferative and migratory activities of myoblasts. CONCLUSION Our findings demonstrate the feasibility of a screening platform to discover clock modulators with myogenic regulatory activities. Discovery of CHX as a pro-myogenic molecule could be applicable to promote regenerative capacities in ameliorating dystrophic or degenerative muscle diseases.
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Affiliation(s)
- Tali Kiperman
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Weini Li
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Xuekai Xiong
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Hongzhi Li
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - David Horne
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Ke Ma
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA.
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Xiong X, Kiperman T, Li W, Dhawan S, Lee J, Yechoor V, Ma K. The Clock-modulatory Activity of Nobiletin Suppresses Adipogenesis Via Wnt Signaling. Endocrinology 2023; 164:bqad096. [PMID: 37327385 PMCID: PMC10373950 DOI: 10.1210/endocr/bqad096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 06/09/2023] [Accepted: 06/13/2023] [Indexed: 06/18/2023]
Abstract
The circadian clock machinery exerts transcriptional control to modulate adipogenesis and its disruption leads to the development of obesity. Here, we report that Nobiletin, a circadian clock amplitude-enhancing molecule, displays antiadipogenic properties via activation of Wnt signaling pathway that is dependent on its clock modulation. Nobiletin augmented clock oscillatory amplitude with period lengthening in the adipogenic mesenchymal precursor cells and preadipocytes, accompanied by an induction of Bmal1 and clock components within the negative feedback arm. Consistent with its clock-modulatory activity, Nobiletin strongly inhibited the lineage commitment and terminal differentiation of adipogenic progenitors. Mechanistically, we show that Nobiletin induced the reactivation of Wnt signaling during adipogenesis via transcriptional up-regulation of key components within this pathway. Furthermore, Nobiletin administration in mice markedly reduced adipocyte hypertrophy, leading to a significant loss of fat mass and reduction of body weight. Last, Nobiletin inhibited the differentiation of primary preadipocytes, and this effect was dependent on a functional clock regulation. Collectively, our findings uncover a novel activity of Nobiletin in suppressing adipocyte development in a clock-dependent manner, implicating its potential application in countering obesity and associated metabolic consequences.
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Affiliation(s)
- Xuekai Xiong
- Department of Diabetes Complications and Metabolism, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Tali Kiperman
- Department of Diabetes Complications and Metabolism, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Weini Li
- Department of Diabetes Complications and Metabolism, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Sangeeta Dhawan
- Department of Translational Research and Cellular Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Jeongkyung Lee
- Diabetes and Beta Cell Biology Center, Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Vijay Yechoor
- Diabetes and Beta Cell Biology Center, Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Ke Ma
- Department of Diabetes Complications and Metabolism, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
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13
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Zeng S, Chen L, Liu X, Tang H, Wu H, Liu C. Single-cell multi-omics analysis reveals dysfunctional Wnt signaling of spermatogonia in non-obstructive azoospermia. Front Endocrinol (Lausanne) 2023; 14:1138386. [PMID: 37334314 PMCID: PMC10273265 DOI: 10.3389/fendo.2023.1138386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 05/17/2023] [Indexed: 06/20/2023] Open
Abstract
Background Non-obstructive azoospermia (NOA) is the most severe type that leads to 1% of male infertility. Wnt signaling governs normal sperm maturation. However, the role of Wnt signaling in spermatogonia in NOA has incompletely been uncovered, and upstream molecules regulating Wnt signaling remain unclear. Methods Bulk RNA sequencing (RNA-seq) of NOA was used to identify the hub gene module in NOA utilizing weighted gene co-expression network analyses (WGCNAs). Single-cell RNA sequencing (scRNA-seq) of NOA was employed to explore dysfunctional signaling pathways in the specific cell type with gene sets of signaling pathways. Single-cell regulatory network inference and clustering (pySCENIC) for Python analysis was applied to speculate putative transcription factors in spermatogonia. Moreover, single-cell assay for transposase-accessible chromatin sequencing (scATAC-seq) determined the regulated genes of these transcription factors. Finally, spatial transcriptomic data were used to analyze cell type and Wnt signaling spatial distribution. Results The Wnt signaling pathway was demonstrated to be enriched in the hub gene module of NOA by bulk RNA-seq. Then, scRNA-seq data revealed the downregulated activity and dysfunction of Wnt signaling of spermatogonia in NOA samples. Conjoint analyses of the pySCENIC algorithm and scATAC-seq data indicated that three transcription factors (CTCF, AR, and ARNTL) were related to the activities of Wnt signaling in NOA. Eventually, spatial expression localization of Wnt signaling was identified to be in accordance with the distribution patterns of spermatogonia, Sertoli cells, and Leydig cells. Conclusion In conclusion, we identified that downregulated Wnt signaling of spermatogonia in NOA and three transcription factors (CTCF, AR, and ARNTL) may be involved in this dysfunctional Wnt signaling. These findings provide new mechanisms for NOA and new therapeutic targets for NOA patients.
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Affiliation(s)
- Shengjie Zeng
- Department of Urology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Liuxun Chen
- Department of Urology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xvdong Liu
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Haibin Tang
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Hao Wu
- Department of Urology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chuan Liu
- Department of Urology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Abstract
The circadian clock plays an essential role in coordinating feeding and metabolic rhythms with the light/dark cycle. Disruption of clocks is associated with increased adiposity and metabolic disorders, whereas aligning feeding time with cell-autonomous rhythms in metabolism improves health. Here, we provide a comprehensive overview of recent literature in adipose tissue biology as well as our understanding of molecular mechanisms underlying the circadian regulation of transcription, metabolism, and inflammation in adipose tissue. We highlight recent efforts to uncover the mechanistic links between clocks and adipocyte metabolism, as well as its application to dietary and behavioral interventions to improve health and mitigate obesity.
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Affiliation(s)
- Chelsea Hepler
- Department of Medicine, Division of Endocrinology, Metabolism, and Molecular Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
| | - Joseph Bass
- Department of Medicine, Division of Endocrinology, Metabolism, and Molecular Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
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Li W, Xiong X, Kiperman T, Ma K. Transcription repression of Cry2 via Per2 interaction promotes adipogenesis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.12.532323. [PMID: 36993226 PMCID: PMC10054956 DOI: 10.1101/2023.03.12.532323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
The circadian clock is driven by a transcriptional-translational feedback loop, and Cryptochrome 2 (Cry2) represses CLOCK/Bmal1-induced transcription activation. Despite the established role of clock in adipogenic regulation, whether the Cry2 repressor activity functions in adipocyte biology remains unclear. Here we identify a critical cysteine residue of Cry2 that mediates interaction with Per2, and demonstrate that this mechanism is required for clock transcriptional repression that inhibits Wnt signaling to promote adipogenesis. Cry2 protein is enriched in white adipose depots and was robustly induced by adipocyte differentiation. Via site-directed mutagenesis, we identified that a conserved Cry2 Cysteine at 432 within the loop interfacing with Per2 mediates heterodimer complex formation that confers transcription repression. C432 mutation disrupted Per2 association without affecting Bmal1 binding, leading to loss of repression of clock transcription activation. In preadipocytes, whereas Cry2 enhanced adipogenic differentiation, the repression-defective C432 mutant suppressed this process. Furthermore, silencing of Cry2 attenuated, while stabilization of Cry2 by KL001 markedly augmented adipocyte maturation. Mechanistically, we show that transcriptional repression of Wnt pathway components underlies Cry2 modulation of adipogenesis. Collectively, our findings elucidate a Cry2-mediated repression mechanism that promotes adipocyte development, and implicate its potential as a clock intervention target for obesity.
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16
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Paz HA, Pilkington A, Loy HD, Zhong Y, Shankar K, Wankhade UD. Beta-adrenergic agonist induces unique transcriptomic signature in inguinal white adipose tissue. Physiol Rep 2023; 11:e15646. [PMID: 36967237 PMCID: PMC10040403 DOI: 10.14814/phy2.15646] [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: 02/09/2023] [Revised: 02/27/2023] [Accepted: 02/28/2023] [Indexed: 03/28/2023] Open
Abstract
Activation of thermogenic adipose tissue depots has been linked to improved metabolism and weight loss. To study the molecular regulation of adipocyte thermogenesis, we performed RNA-Seq on brown adipose tissue (BAT), gonadal white adipose tissue (gWAT), and inguinal white adipose tissue (iWAT) from mice treated with β3-adrenoreceptor agonist CL316,243 (CL). Our analysis revealed diverse transcriptional profile and identified pathways in response to CL treatment. Differentially expressed genes (DEGs) in iWATCL were associated with the upregulation of pathways involved in cellular immune responses and with the upregulation of the browning program. We identified 39 DEGs in beige adipose which included certain heat shock proteins (Hspa1a and Hspa1b), and others suggesting potential associations with browning. Our results highlight transcriptional heterogeneity across adipose tissues and reveal genes specifically regulated in beige adipose, potentially aiding in identifying novel browning pathways.
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Affiliation(s)
- Henry A. Paz
- Department of PediatricsCollege of Medicine, University of Arkansas for Medical SciencesLittle RockArkansasUSA
- Arkansas Children's Nutrition CenterLittle RockArkansasUSA
| | - Anna‐Claire Pilkington
- Department of PediatricsCollege of Medicine, University of Arkansas for Medical SciencesLittle RockArkansasUSA
| | - Hannah D. Loy
- Department of PediatricsCollege of Medicine, University of Arkansas for Medical SciencesLittle RockArkansasUSA
| | - Ying Zhong
- Department of PediatricsCollege of Medicine, University of Arkansas for Medical SciencesLittle RockArkansasUSA
- Arkansas Children's Nutrition CenterLittle RockArkansasUSA
| | - Kartik Shankar
- Department of Pediatrics, Section of NutritionUniversity of Colorado School of Medicine, Anschutz Medical CampusAuroraColoradoUSA
| | - Umesh D. Wankhade
- Department of PediatricsCollege of Medicine, University of Arkansas for Medical SciencesLittle RockArkansasUSA
- Arkansas Children's Nutrition CenterLittle RockArkansasUSA
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Xiong X, Kiperman T, Li W, Dhawan S, Lee J, Yechoor V, Ma K. The clock-modulatory activity of Nobiletin suppresses adipogenesis via Wnt signaling. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.07.527587. [PMID: 36798247 PMCID: PMC9934622 DOI: 10.1101/2023.02.07.527587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The circadian clock machinery exerts transcriptional control to modulate adipogenesis and its disruption leads to the development of obesity. Here we report that Nobiletin, a clock amplitude-enhancing molecule, displays anti-adipogenic properties via activating a clock-controlled Wnt signaling pathway that suppresses adipocyte differentiation. Nobiletin augmented clock oscillation with period length shortening in the adipogenic mesenchymal precursor cells and preadipocytes, accompanied by an induction of Bmal1 and core clock components. Consistent with its circadian clock-modulatory activity, Nobiletin inhibited the lineage commitment and terminal differentiation of adipogenic progenitors. Mechanistically, we show that Nobiletin induced the re-activation of Wnt signaling during adipogenic differentiation via transcriptional up-regulation of key components of this pathway. Furthermore, Nobiletin administration in mice markedly reduced adipocyte hypertrophy, leading to a significant loss of fat mass and body weight reduction. Lastly, Nobiletin inhibited the maturation of primary preadipocytes and this effect was dependent on a functional clock regulation. Collectively, our findings uncover a novel activity of Nobiletin in suppressing adipocyte development, implicating its potential therapeutic application in countering obesity and its associated metabolic consequences.
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18
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Trebucq LL, Lamberti ML, Rota R, Aiello I, Borio C, Bilen M, Golombek DA, Plano SA, Chiesa JJ. Chronic circadian desynchronization of feeding-fasting rhythm generates alterations in daily glycemia, LDL cholesterolemia and microbiota composition in mice. Front Nutr 2023; 10:1154647. [PMID: 37125029 PMCID: PMC10145162 DOI: 10.3389/fnut.2023.1154647] [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: 01/30/2023] [Accepted: 03/15/2023] [Indexed: 05/02/2023] Open
Abstract
Introduction The circadian system synchronizes behavior and physiology to the 24-h light- dark (LD) cycle. Timing of food intake and fasting periods provide strong signals for peripheral circadian clocks regulating nutrient assimilation, glucose, and lipid metabolism. Mice under 12 h light:12 h dark (LD) cycles exhibit behavioral activity and feeding during the dark period, while fasting occurs at rest during light. Disruption of energy metabolism, leading to an increase in body mass, was reported in experimental models of circadian desynchronization. In this work, the effects of chronic advances of the LD cycles (chronic jet-lag protocol, CJL) were studied on the daily homeostasis of energy metabolism and weight gain. Methods Male C57 mice were subjected to a CJL or LD schedule, measuring IPGTT, insulinemia, microbiome composition and lipidemia. Results Mice under CJL show behavioral desynchronization and feeding activity distributed similarly at the light and dark hours and, although feeding a similar daily amount of food as compared to controls, show an increase in weight gain. In addition, ad libitum glycemia rhythm was abolished in CJL-subjected mice, showing similar blood glucose values at light and dark. CJL also generated glucose intolerance at dark in an intraperitoneal glucose tolerance test (IPGTT), with increased insulin release at both light and dark periods. Low-density lipoprotein (LDL) cholesterolemia was increased under this condition, but no changes in HDL cholesterolemia were observed. Firmicutes/Bacteroidetes ratio was analyzed as a marker of circadian disruption of microbiota composition, showing opposite phases at the light and dark when comparing LD vs. CJL. Discussion Chronic misalignment of feeding/fasting rhythm leads to metabolic disturbances generating nocturnal hyperglycemia, glucose intolerance and hyperinsulinemia in a IPGTT, increased LDL cholesterolemia, and increased weight gain, underscoring the importance of the timing of food consumption with respect to the circadian system for metabolic health.
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Affiliation(s)
- Laura Lucía Trebucq
- Laboratorio de Cronobiología, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes (UNQ), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bernal, Argentina
| | - Melisa Luciana Lamberti
- Laboratorio de Cronobiología, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes (UNQ), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bernal, Argentina
| | - Rosana Rota
- Laboratorio de Cronobiología, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes (UNQ), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bernal, Argentina
| | - Ignacio Aiello
- Laboratorio de Cronobiología, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes (UNQ), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bernal, Argentina
| | - Cristina Borio
- Laboratorio de Ingeniería Genética, Biología Celular y Molecular, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes (UNQ), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bernal, Argentina
| | - Marcos Bilen
- Laboratorio de Ingeniería Genética, Biología Celular y Molecular, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes (UNQ), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bernal, Argentina
| | - Diego Andrés Golombek
- Laboratorio de Cronobiología, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes (UNQ), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bernal, Argentina
- Escuela de Educacion, Universidad de San Andrés, Victoria, Argentina
| | - Santiago Andrés Plano
- Laboratorio de Cronobiología, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes (UNQ), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bernal, Argentina
- Institute for Biomedical Research (BIOMED), Catholic University of Argentina (UCA), National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- *Correspondence: Santiago Andrés Plano,
| | - Juan José Chiesa
- Laboratorio de Cronobiología, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes (UNQ), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bernal, Argentina
- Juan José Chiesa,
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19
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Xiong X, Ma K. Methods to Monitor Circadian Clock Function in Skeletal Muscle. Methods Mol Biol 2023; 2640:249-257. [PMID: 36995600 DOI: 10.1007/978-1-0716-3036-5_18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
The circadian clock exerts temporal regulation in physiology and behavior. The skeletal muscle possesses cell-autonomous clock circuits that play key roles in diverse tissue growth, remodeling, and metabolic processes. Recent advances reveal the intrinsic properties, molecular regulations, and physiological functions of the molecular clock oscillators in progenitor and mature myocytes in muscle. While various approaches have been applied to examine clock functions in tissue explants or cell culture systems, defining the tissue-intrinsic circadian clock in muscle requires sensitive real-time monitoring using a Period2 promoter-driven luciferase reporter knock-in mouse model. This chapter describes the gold standard of applying the Per2::Luc reporter line to assess clock properties in skeletal muscle. This technique is suitable for the analysis of clock function in ex vivo muscle preps using intact muscle groups, dissected muscle strips, and cell culture systems using primary myoblasts or myotubes.
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Affiliation(s)
- Xuekai Xiong
- Department of Diabetes Complications & Metabolism, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Ke Ma
- Department of Diabetes Complications & Metabolism, Beckman Research Institute of City of Hope, Duarte, CA, USA.
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20
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Martín-Reyes F, Ho-Plagaro A, Rodríguez-Díaz C, Lopez-Gómez C, Garcia-Serrano S, de Los Reyes DR, Gonzalo M, Fernández-Garcia JC, Montiel-Casado C, Fernández-Aguilar JL, Fernández JR, García-Fuentes E, Rodríguez-Pacheco F. Oleic acid regulates the circadian rhythm of adipose tissue in obesity. Pharmacol Res 2023; 187:106579. [PMID: 36435269 DOI: 10.1016/j.phrs.2022.106579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/24/2022]
Abstract
The effect of oleic acid (OA) on the regulation of the circadian rhythm present in human visceral (VAT) and subcutaneous (SAT) adipose tissue from patients with morbid obesity has not been analyzed yet. VAT and SAT explants from patients with morbid obesity were incubated with OA to analyze the circadian regulation of clock and other genes related to lipid metabolism (SREBP-1c, FAS, LPL and CPT1), and their association with baseline variables and the improvement of these patients after bariatric surgery. There were significant differences in amplitude and acrophase in VAT with respect to SAT. In VAT, body weight negatively correlated with BMAL1 and CRY1 amplitude, and REVERBα acrophase; body mass index (BMI) negatively correlated with REVERBα acrophase; and waist circumference negatively correlated with PER3 acrophase. In SAT, BMI negatively correlated with CLOCK amplitude, and CLOCK, REVERBα and CRY2 MESOR; and waist circumference negatively correlated with PER3 amplitude and acrophase. A greater short-term improvement of body weight, BMI and waist circumference in patients with morbid obesity after bariatric surgery was associated with a lower CRY1 and CRY2 amplitude and an earlier PER1 and PER3 acrophase in SAT. OA produced a more relevant circadian rhythm and increased the amplitude of most clock genes and lipid metabolism-related genes. OA regulated the acrophase of most clock genes in VAT and SAT, placing CLOCK/BMAL1 in antiphase with regard to the other genes. OA increased the circadian rhythmicity, although with slight differences between adipose tissues. These differences could determine its different behavior in obesity.
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Affiliation(s)
- Flores Martín-Reyes
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Málaga, Spain; Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - Ailec Ho-Plagaro
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Málaga, Spain; Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - Cristina Rodríguez-Díaz
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Málaga, Spain; Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - Carlos Lopez-Gómez
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Málaga, Spain; Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - Sara Garcia-Serrano
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Málaga, Spain; Unidad de Gestión Clínica de Endocrinología y Nutrición, Hospital Regional Universitario, Málaga, Spain; CIBER de Diabetes y Enfermedades Metabólicas Asociadas-CIBERDEM, Málaga, Spain
| | - Dámaris Rodriguez de Los Reyes
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Málaga, Spain; Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - Montserrat Gonzalo
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Málaga, Spain; Unidad de Gestión Clínica de Endocrinología y Nutrición, Hospital Regional Universitario, Málaga, Spain
| | - Jose C Fernández-Garcia
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Málaga, Spain; Unidad de Gestión Clínica de Endocrinología y Nutrición, Hospital Regional Universitario, Málaga, Spain
| | - Custodia Montiel-Casado
- Unidad de Gestión Clínica de Cirugía General, Digestiva y Trasplantes, Hospital Regional Universitario, Málaga, Spain
| | - Jose L Fernández-Aguilar
- Unidad de Gestión Clínica de Cirugía General, Digestiva y Trasplantes, Hospital Regional Universitario, Málaga, Spain
| | - José R Fernández
- Bioengeneering & Chronobiology Labs, atlanTTic Research Center, University of Vigo, Spain
| | - Eduardo García-Fuentes
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Málaga, Spain; Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, Málaga, Spain; CIBER de Enfermedades Hepáticas y Digestivas-CIBEREHD, Málaga, Spain.
| | - Francisca Rodríguez-Pacheco
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Málaga, Spain; Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, Málaga, Spain; CIBER de Diabetes y Enfermedades Metabólicas Asociadas-CIBERDEM, Málaga, Spain
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Yokomizo T, Takahashi Y. Endogenous rhythm variation and adaptation to the tidal environment in the freshwater snail, Semisulcospira reiniana. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.1078234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Organisms have endogenous timekeeping system(s) to coordinate their biological processes with environmental cycles, allowing adaptation to external rhythmic changes in their environment. The change in endogenous rhythms could contribute to range expansion in a novel rhythmic environment. We hypothesized that populations of the freshwater snail near estuaries show a circatidal rhythm to synchronize with the tidal cycle. We compared the behavioral and gene expression rhythms between non-tidal and tidal populations of the freshwater snail, Semisulcospira reiniana. Individuals inhabiting tidal areas exhibited a rhythmic activity pattern coordinated with the tidal cycle under both field and laboratory conditions, but individuals inhabiting upstream non-tidal areas showed a circadian activity pattern. The proportion of circadian oscillating genes was greater in non-tidal than in tidal individuals, while that of circatidal oscillating genes was greater in tidal than in non-tidal individuals. Additionally, transcriptome-wide population genetic analyses revealed that these two adjacent populations can be clearly distinguished genetically, though the genetic distance was very small. Our results provide evidence of the shift in an endogenous rhythm via range expansion to a novel rhythmic environment. The changes in a small number of genes and/or phenotypic plasticity may contribute to the difference in the endogenous rhythms between non-tidal and tidal populations.
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22
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Vallee A, Lecarpentier Y, Vallée JN. WNT/β-catenin pathway and circadian rhythms in obsessive-compulsive disorder. Neural Regen Res 2022; 17:2126-2130. [PMID: 35259818 PMCID: PMC9083179 DOI: 10.4103/1673-5374.332133] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
The neuropsychiatric disease named obsessive-compulsive disorder is composed by obsessions and/or compulsions. Obsessive-compulsive disorder etiologies are undefined. However, numerous mechanisms in several localizations are implicated. Some studies showed that both glutamate, inflammatory factors and oxidative stress could have main functions in obsessive-compulsive disorder. Glycogen synthase kinase-3β, the major negative controller of the WNT/β-catenin pathway is upregulated in obsessive-compulsive disorder. In obsessive-compulsive disorder, some studies presented the actions of the different circadian clock genes. WNT/β-catenin pathway and circadian clock genes appear to be intricate. Thus, this review focuses on the interaction between circadian clock genes and the WNT/β-catenin pathway in obsessive-compulsive disorder.
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Affiliation(s)
- Alexandre Vallee
- Department of Clinical Research and Innovation (DRCI), Foch Hospital, Suresnes, France
| | - Yves Lecarpentier
- Centre de Recherche Clinique, Grand Hôpital de l'Est Francilien (GHEF), Meaux, France
| | - Jean-Noël Vallée
- Laboratoire de Mathématiques et Applications (LMA), Université de Poitiers, Poitiers; Centre Hospitalier Universitaire (CHU) Amiens Picardie, Université Picardie Jules Verne (UPJV), Amiens, France
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23
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Circadian mechanism disruption is associated with dysregulation of inflammatory and immune responses: a systematic review. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2022. [DOI: 10.1186/s43088-022-00290-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
AbstractThe circadian rhythms are regulated by the circadian clock which is under the control of suprachiasmatic nucleus of hypothalamus. The central and peripheral clocks on different tissue together synchronize to form circadian system. Factors disrupt the circadian rhythm, such as irregular eating patterns, sleep/wake time, night shift work and temperature. Due to the misalignment of central clock components, it has been recognized as the pathophysiology of lifestyle-related diseases mediated by the inflammation such as diabetes, obesity, neurological disorder and hormonal imbalance. Also we discuss the therapeutic effect of time-restricted feeding over diabetes and obesity caused by miscommunication between central and peripheral clock. The genetic and epigenetic changes involve due to the deregulation of circadian system. The aim of the present review is to discuss the circadian mechanisms that are involved in the complex interaction between host and external factors and its disruption is associated with deregulation of inflammatory and immune responses. Hence, we need to understand the mechanism of functioning of our biological clocks so that it helps us treat health-related problems such as jet lags, sleep disorders due to night-time shift work, obesity and mental disturbances. We hope minimal cost behavioural and lifestyle changes can improve circadian rhythms and presumably provide a better health.
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Taleb Z, Karpowicz P. Circadian regulation of digestive and metabolic tissues. Am J Physiol Cell Physiol 2022; 323:C306-C321. [PMID: 35675638 DOI: 10.1152/ajpcell.00166.2022] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The circadian clock is a self-sustained molecular timekeeper that drives 24-h (circadian) rhythms in animals. The clock governs important aspects of behavior and physiology including wake/sleep activity cycles that regulate the activity of metabolic and digestive systems. Light/dark cycles (photoperiod) and cycles in the time of feeding synchronize the circadian clock to the surrounding environment, providing an anticipatory benefit that promotes digestive health. The availability of animal models targeting the genetic components of the circadian clock has made it possible to investigate the circadian clock's role in cellular functions. Circadian clock genes have been shown to regulate the physiological function of hepatocytes, gastrointestinal cells, and adipocytes; disruption of the circadian clock leads to the exacerbation of liver diseases and liver cancer, inflammatory bowel disease and colorectal cancer, and obesity. Previous findings provide strong evidence that the circadian clock plays an integral role in digestive/metabolic disease pathogenesis, hence, the circadian clock is a necessary component in metabolic and digestive health and homeostasis. Circadian rhythms and circadian clock function provide an opportunity to improve the prevention and treatment of digestive and metabolic diseases by aligning digestive system tissue with the 24-h day.
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Affiliation(s)
- Zainab Taleb
- Department of Biomedical Sciences, University of Windsor, Windsor, Ontario, Canada
| | - Phillip Karpowicz
- Department of Biomedical Sciences, University of Windsor, Windsor, Ontario, Canada
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25
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Kwak D, Olsen PA, Danielsen A, Jensenius AR. A trio of biological rhythms and their relevance in rhythmic mechanical stimulation of cell cultures. Front Psychol 2022; 13:867191. [PMID: 35967633 PMCID: PMC9374063 DOI: 10.3389/fpsyg.2022.867191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 06/29/2022] [Indexed: 11/13/2022] Open
Abstract
The primary aim of this article is to provide a biological rhythm model based on previous theoretical and experimental findings to promote more comprehensive studies of rhythmic mechanical stimulation of cell cultures, which relates to tissue engineering and regenerative medicine fields. Through an interdisciplinary approach where different standpoints from biology and musicology are combined, we explore some of the core rhythmic features of biological and cellular rhythmic processes and present them as a trio model that aims to afford a basic but fundamental understanding of the connections between various biological rhythms. It is vital to highlight such links since rhythmic mechanical stimulation and its effect on cell cultures are vastly underexplored even though the cellular response to mechanical stimuli (mechanotransduction) has been studied widely and relevant experimental evidence suggests mechanotransduction processes are rhythmic.
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Affiliation(s)
- Dongho Kwak
- Department of Musicology, RITMO Centre for Interdisciplinary Studies in Rhythm, Time and Motion, University of Oslo, Oslo, Norway
- *Correspondence: Dongho Kwak,
| | - Petter Angell Olsen
- Hybrid Technology Hub-Centre for Organ on a Chip-Technology, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
- Unit for Cell Signaling, Department of Immunology and Transfusion Medicine, Oslo University Hospital, Oslo, Norway
| | - Anne Danielsen
- Department of Musicology, RITMO Centre for Interdisciplinary Studies in Rhythm, Time and Motion, University of Oslo, Oslo, Norway
| | - Alexander Refsum Jensenius
- Department of Musicology, RITMO Centre for Interdisciplinary Studies in Rhythm, Time and Motion, University of Oslo, Oslo, Norway
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26
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Quattrocelli M, Wintzinger M, Miz K, Panta M, Prabakaran AD, Barish GD, Chandel NS, McNally EM. Intermittent prednisone treatment in mice promotes exercise tolerance in obesity through adiponectin. J Exp Med 2022; 219:e20211906. [PMID: 35363257 PMCID: PMC8980841 DOI: 10.1084/jem.20211906] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 12/21/2021] [Accepted: 02/24/2022] [Indexed: 12/26/2022] Open
Abstract
The fat-muscle communication regulates metabolism and involves circulating signals like adiponectin. Modulation of this cross-talk could benefit muscle bioenergetics and exercise tolerance in conditions like obesity. Chronic daily intake of exogenous glucocorticoids produces or exacerbates metabolic stress, often leading to obesity. In stark contrast to the daily intake, we discovered that intermittent pulses of glucocorticoids improve dystrophic muscle metabolism. However, the underlying mechanisms, particularly in the context of obesity, are still largely unknown. Here we report that in mice with diet-induced obesity, intermittent once-weekly prednisone increased total and high-molecular weight adiponectin levels and improved exercise tolerance and energy expenditure. These effects were dependent upon adiponectin, as shown by genetic ablation of the adipokine. Upregulation of Adipoq occurred through the glucocorticoid receptor (GR), as this effect was blocked by inducible GR ablation in adipocytes. The treatment increased the muscle metabolic response of adiponectin through the CAMKK2-AMPK cascade. Our study demonstrates that intermittent glucocorticoids produce healthful metabolic remodeling in diet-induced obesity.
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Affiliation(s)
- Mattia Quattrocelli
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children’s Hospital Medical Center, and Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
- Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL
| | - Michelle Wintzinger
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children’s Hospital Medical Center, and Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Karen Miz
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children’s Hospital Medical Center, and Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Manoj Panta
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children’s Hospital Medical Center, and Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Ashok D. Prabakaran
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children’s Hospital Medical Center, and Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Grant D. Barish
- Division of Endocrinology, Metabolism and Molecular Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL
| | - Navdeep S. Chandel
- Department of Medicine and Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Elizabeth M. McNally
- Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL
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27
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Martínez-García JJ, Rainteau D, Humbert L, Lamaziere A, Lesnik P, Chamaillard M. Diurnal Interplay between Epithelium Physiology and Gut Microbiota as a Metronome for Orchestrating Immune and Metabolic Homeostasis. Metabolites 2022; 12:metabo12050390. [PMID: 35629894 PMCID: PMC9142987 DOI: 10.3390/metabo12050390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/22/2022] [Accepted: 04/23/2022] [Indexed: 12/10/2022] Open
Abstract
The behavior and physiology of most organisms are temporally coordinated and aligned with geophysical time by a complex interplay between the master and peripheral clocks. Disruption of such rhythmic physiological activities that are hierarchically organized has been linked to a greater risk of developing diseases ranging from cancer to metabolic syndrome. Herein, we summarize the molecular clockwork that is employed by intestinal epithelial cells to anticipate environmental changes such as rhythmic food intake and potentially dangerous environmental stress. We also discuss recent discoveries contributing to our understanding of how a proper rhythm of intestinal stem cells may achieve coherence for the maintenance of tissue integrity. Emerging evidence indicates that the circadian oscillations in the composition of the microbiota may operate as an important metronome for the proper preservation of intestinal physiology and more. Furthermore, in this review, we outline how epigenetic clocks that are based on DNA methylation levels may extensively rewire the clock-controlled functions of the intestinal epithelium that are believed to become arrhythmic during aging.
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Affiliation(s)
| | - Dominique Rainteau
- Centre de Recherche Saint-Antoine, CRSA, AP-HP.SU, Hôpital Saint Antoine, Département de Métabobolomique Clinique, Sorbonne Université, INSERM, F-75012 Paris, France; (D.R.); (L.H.); (A.L.)
| | - Lydie Humbert
- Centre de Recherche Saint-Antoine, CRSA, AP-HP.SU, Hôpital Saint Antoine, Département de Métabobolomique Clinique, Sorbonne Université, INSERM, F-75012 Paris, France; (D.R.); (L.H.); (A.L.)
| | - Antonin Lamaziere
- Centre de Recherche Saint-Antoine, CRSA, AP-HP.SU, Hôpital Saint Antoine, Département de Métabobolomique Clinique, Sorbonne Université, INSERM, F-75012 Paris, France; (D.R.); (L.H.); (A.L.)
| | - Philippe Lesnik
- Institut National de la Santé et de la Recherche Médicale (INSERM, UMR_S 1166-ICAN), Sorbonne Université, F-75012 Paris, France;
- Research Institute of Cardiovascular Disease, Metabolism and Nutrition, Faculté de Médecine—Hôpital Pitié-Salpêtrière, F-75013 Paris, France
| | - Mathias Chamaillard
- Laboratory of Cell Physiology, INSERM U1003, University of Lille, F-59019 Lille, France;
- Correspondence:
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Liu S, Zhou Y, Chen Y, Liu Y, Peng S, Cao Z, Xia H. Bmal1 promotes cementoblast differentiation and cementum mineralization via Wnt/β-catenin signaling. Acta Histochem 2022; 124:151868. [PMID: 35183881 DOI: 10.1016/j.acthis.2022.151868] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 01/24/2022] [Accepted: 02/11/2022] [Indexed: 01/09/2023]
Abstract
Remodeling of the cementum plays a crucial role in periodontal regenerative therapy, while the precise mechanism of cementogenesis has yet been adequately understood. Recent studies have indicated the connection between osteogenic differentiation and Brain and muscle aryl hydrocarbon receptor nuclear translocator-like protein-1 (Bmal1). Besides, Wnt/β-catenin signaling is proven to be an essential regulator in cementogenesis. In this study, we found a robust expression of Bmal1 in cementoblasts in the mandibular first molar of mice by immunohistochemical staining. To further explore the role of Bmal1 in cementogenesis, we examined the expression pattern of Bmal1 in OCCM-30, an immortalized murine cementoblast cell line by qRT-PCR and western blot. Our data demonstrated the upregulation of Bmal1 at both mRNA and protein levels during differentiation. Additionally, stable knockdown of Bmal1 in OCCM-30 cells resulted in downregulation of osteogenic markers such as alkaline phosphatase (Alp), osteopontin (Opn), and osteocalcin (Ocn), and reduced formation of mineralized nodules. Moreover, qRT-PCR and western blot results exhibited that the expression of β-catenin was attenuated by Bmal1 deficiency. We also found that the mRNA levels of Tcf1 and Lef1, the target transcription factors of β-catenin, were reduced by Bmal1 deficiency. In conclusion, this study preliminarily confirms that Bmal1 promotes cementoblast differentiation and cementum mineralization via Wnt/β-catenin signaling, which contributes to a potential strategy in periodontal regenerative therapy.
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Affiliation(s)
- Shumin Liu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei - MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, People's Republic of China
| | - Yi Zhou
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei - MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, People's Republic of China
| | - Yang Chen
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei - MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, People's Republic of China
| | - Ying Liu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei - MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, People's Republic of China
| | - Shuzhen Peng
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei - MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, People's Republic of China
| | - Zhengguo Cao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei - MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, People's Republic of China
| | - Haibin Xia
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei - MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, People's Republic of China.
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Jouffe C, Weger BD, Martin E, Atger F, Weger M, Gobet C, Ramnath D, Charpagne A, Morin-Rivron D, Powell EE, Sweet MJ, Masoodi M, Uhlenhaut NH, Gachon F. Disruption of the circadian clock component BMAL1 elicits an endocrine adaption impacting on insulin sensitivity and liver disease. Proc Natl Acad Sci U S A 2022; 119:e2200083119. [PMID: 35238641 PMCID: PMC8916004 DOI: 10.1073/pnas.2200083119] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 01/25/2022] [Indexed: 02/06/2023] Open
Abstract
SignificanceWhile increasing evidence associates the disruption of circadian rhythms with pathologic conditions, including obesity, type 2 diabetes, and nonalcoholic fatty liver diseases (NAFLD), the involved mechanisms are still poorly described. Here, we show that, in both humans and mice, the pathogenesis of NAFLD is associated with the disruption of the circadian clock combined with perturbations of the growth hormone and sex hormone pathways. However, while this condition protects mice from the development of fibrosis and insulin resistance, it correlates with increased fibrosis in humans. This suggests that the perturbation of the circadian clock and its associated disruption of the growth hormone and sex hormone pathways are critical for the pathogenesis of metabolic and liver diseases.
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Affiliation(s)
- Céline Jouffe
- Nestlé Research, Société des Produits Nestlé, CH-1015 Lausanne, Switzerland
- Department of Pharmacology and Toxicology, University of Lausanne, CH-1011 Lausanne, Switzerland
- Helmholtz Diabetes Center, Helmholtz Zentrum München, DE-85764 Neuherberg, Germany
| | - Benjamin D. Weger
- Nestlé Research, Société des Produits Nestlé, CH-1015 Lausanne, Switzerland
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia QLD 4072, Australia
| | - Eva Martin
- Nestlé Research, Société des Produits Nestlé, CH-1015 Lausanne, Switzerland
| | - Florian Atger
- Nestlé Research, Société des Produits Nestlé, CH-1015 Lausanne, Switzerland
- Department of Pharmacology and Toxicology, University of Lausanne, CH-1011 Lausanne, Switzerland
| | - Meltem Weger
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia QLD 4072, Australia
| | - Cédric Gobet
- Nestlé Research, Société des Produits Nestlé, CH-1015 Lausanne, Switzerland
- School of Life Sciences, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
| | - Divya Ramnath
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia QLD 4072, Australia
| | - Aline Charpagne
- Nestlé Research, Société des Produits Nestlé, CH-1015 Lausanne, Switzerland
| | | | - Elizabeth E. Powell
- Department of Gastroenterology and Hepatology, Princess Alexandra Hospital, Brisbane QLD 4102, Australia
- Faculty of Medicine, Center for Liver Disease Research, Translational Research Institute, The University of Queensland, Brisbane QLD 4102, Australia
| | - Matthew J. Sweet
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia QLD 4072, Australia
| | - Mojgan Masoodi
- Nestlé Research, Société des Produits Nestlé, CH-1015 Lausanne, Switzerland
- Institute of Clinical Chemistry, Bern University Hospital, Bern 3010, Switzerland
| | - N. Henriette Uhlenhaut
- Helmholtz Diabetes Center, Helmholtz Zentrum München, DE-85764 Neuherberg, Germany
- Metabolic Programming, Technical University of Munich School of Life Sciences, DE-85354 Freising, Germany
| | - Frédéric Gachon
- Nestlé Research, Société des Produits Nestlé, CH-1015 Lausanne, Switzerland
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia QLD 4072, Australia
- School of Life Sciences, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
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30
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Bery A, Bagchi U, Bergen AA, Felder-Schmittbuhl MP. Circadian clocks, retinogenesis and ocular health in vertebrates: new molecular insights. Dev Biol 2022; 484:40-56. [DOI: 10.1016/j.ydbio.2022.02.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/21/2022] [Accepted: 02/01/2022] [Indexed: 12/22/2022]
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31
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Smith HA, Betts JA. Nutrient timing and metabolic regulation symposium review from "Novel dietary approaches to appetite regulation, health and performance (2021)". J Physiol 2022; 600:1299-1312. [PMID: 35038774 PMCID: PMC9305539 DOI: 10.1113/jp280756] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 12/09/2021] [Indexed: 11/19/2022] Open
Abstract
Daily (circadian) rhythms coordinate our physiology and behaviour with regular environmental changes. Molecular clocks in peripheral tissues (e.g. liver, skeletal muscle and adipose) give rise to rhythms in macronutrient metabolism, appetite regulation and the components of energy balance such that our bodies can align the periodic delivery of nutrients with ongoing metabolic requirements. The timing of meals both in absolute terms (i.e. relative to clock time) and in relative terms (i.e. relative to other daily events) is therefore relevant to metabolism and health. Experimental manipulation of feeding–fasting cycles can advance understanding of the effect of absolute and relative timing of meals on metabolism and health. Such studies have extended the overnight fast by regular breakfast omission and revealed that morning fasting can alter the metabolic response to subsequent meals later in the day, whilst also eliciting compensatory behavioural responses (i.e. reduced physical activity). Similarly, restricting energy intake via alternate‐day fasting also has the potential to elicit a compensatory reduction in physical activity, and so can undermine weight‐loss efforts (i.e. to preserve body fat stores). Interrupting the usual overnight fast (and therefore also the usual sleep cycle) by nocturnal feeding has also been examined and further research is needed to understand the importance of this period for either nutritional intervention or nutritional withdrawal. In summary, it is important for dietary guidelines for human health to consider nutrient timing (i.e. when we eat) alongside the conventional focus on nutrient quantity and nutrient quality (i.e. how much we eat and what we eat).
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Affiliation(s)
- Harry A Smith
- Centre for Nutrition Exercise and Metabolism, Department for Health, University of Bath, Bath, BA2 7AY, United Kingdom
| | - James A Betts
- Centre for Nutrition Exercise and Metabolism, Department for Health, University of Bath, Bath, BA2 7AY, United Kingdom
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32
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Zhang F, Xiong Y, Qin F, Yuan J. Short Sleep Duration and Erectile Dysfunction: A Review of the Literature. Nat Sci Sleep 2022; 14:1945-1961. [PMID: 36325277 PMCID: PMC9621223 DOI: 10.2147/nss.s375571] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 10/14/2022] [Indexed: 11/05/2022] Open
Abstract
The meaning of sleep has puzzled people for millennia. In modern society, short sleep duration is becoming a global problem. It has been established that short sleep duration can increase the risk of several diseases, such as cardiovascular and metabolic diseases. Currently, a growing body of research has revealed a possible link between sleep disorders and erectile dysfunction (ED). However, the mechanisms linking short sleep duration and ED are largely unknown. Thus, we provide a review of clinical trials and animal studies. In this review, we propose putative pathways connecting short sleep duration and ED, including neuroendocrine pathways and molecular mechanisms, aiming to pave the way for future research. Meanwhile, the assessment and improvement of sleep quality should be recommended in the diagnosis and treatment of ED patients.
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Affiliation(s)
- Fuxun Zhang
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, People's Republic of China.,Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Yang Xiong
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, People's Republic of China.,Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Feng Qin
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Jiuhong Yuan
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, People's Republic of China.,Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, People's Republic of China
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33
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Song X, Ma T, Hu H, Zhao M, Bai H, Wang X, Liu L, Li T, Sheng X, Xu X, Zhang X, Gao L. Chronic Circadian Rhythm Disturbance Accelerates Knee Cartilage Degeneration in Rats Accompanied by the Activation of the Canonical Wnt/β-Catenin Signaling Pathway. Front Pharmacol 2021; 12:760988. [PMID: 34858186 PMCID: PMC8632052 DOI: 10.3389/fphar.2021.760988] [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: 08/19/2021] [Accepted: 10/11/2021] [Indexed: 01/25/2023] Open
Abstract
With the gradual deepening of understanding of systemic health and quality of life, the factors affecting osteoarthritis (OA) are not limited to mechanical injury, metabolic abnormality, age and obesity, etc., but circadian rhythm, which plays a non-negligible role in human daily life. The purpose of this study was to explore the molecular mechanism of chronic circadian rhythm disturbance (CRD) inducing cartilage OA-like degeneration. Rats with the anterior cruciate ligament excision transection (ACLT) were used to establish the early-stage OA model (6-week). The light/dark (LD) cycle shifted 12 h per week for 22 weeks in order to establish a chronic CRD model. BMAL1 knockdown (KD) and Wnt/β-catenin pathway inhibition were performed in chondrocytes. The contents of proinflammatory factors and OA biomarkers in serum and chondrocyte secretions were detected by ELISA. Pathological and immunohistochemical staining of articular cartilage indicated the deterioration of cartilage. WB and qPCR were used to evaluate the relationship between matrix degradation and the activation of Wnt/β-catenin signaling pathway in chondrocytes. We found that chronic CRD could cause OA-like pathological changes in knee cartilage of rats, accelerating cartilage matrix degradation and synovial inflammation. The expression of MMP-3, MMP-13, ADAMTS-4, and β-catenin increased significantly; BMAL1, Aggrecan, and COL2A1 decreased significantly in either LD-shifted cartilage or BMAL1-KD chondrocytes. The expression of β-catenin and p-GSK-3β elevated, while p-β-catenin and GSK-3β diminished. The inhibitor XAV-939 was able to mitigated the increased inflammation produced by transfected siBMAL1. Our study demonstrates that chronic CRD disrupts the balance of matrix synthesis and catabolic metabolism in cartilage and chondrocytes, and it is related to the activation of the canonical Wnt/β-catenin signaling pathway.
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Affiliation(s)
- Xiaopeng Song
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Northeast Agriculture University, Harbin, China.,College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Tianwen Ma
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Northeast Agriculture University, Harbin, China.,College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Hailong Hu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Mingchao Zhao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Hui Bai
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Xinyu Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Lin Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Ting Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Xuanbo Sheng
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Xinyu Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Xinmin Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Li Gao
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Northeast Agriculture University, Harbin, China.,College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
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34
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Lewis RG, Florio E, Punzo D, Borrelli E. The Brain's Reward System in Health and Disease. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1344:57-69. [PMID: 34773226 DOI: 10.1007/978-3-030-81147-1_4] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Rhythmic gene expression is found throughout the central nervous system. This harmonized regulation can be dependent on- and independent of- the master regulator of biological clocks, the suprachiasmatic nucleus (SCN). Substantial oscillatory activity in the brain's reward system is regulated by dopamine. While light serves as a primary time-giver (zeitgeber) of physiological clocks and synchronizes biological rhythms in 24-h cycles, nonphotic stimuli have a profound influence over circadian biology. Indeed, reward-related activities (e.g., feeding, exercise, sex, substance use, and social interactions), which lead to an elevated level of dopamine, alters rhythms in the SCN and the brain's reward system. In this chapter, we will discuss the influence of the dopaminergic reward pathways on circadian system and the implication of this interplay on human health.
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Affiliation(s)
- Robert G Lewis
- School of Medicine, Department of Microbiology and Molecular Genetics, INSERMU1233, Center for Epigenetics and Metabolism, University of California - Irvine, Irvine, CA, USA
| | - Ermanno Florio
- School of Medicine, Department of Microbiology and Molecular Genetics, INSERMU1233, Center for Epigenetics and Metabolism, University of California - Irvine, Irvine, CA, USA
| | - Daniela Punzo
- School of Medicine, Department of Microbiology and Molecular Genetics, INSERMU1233, Center for Epigenetics and Metabolism, University of California - Irvine, Irvine, CA, USA
| | - Emiliana Borrelli
- School of Medicine, Department of Microbiology and Molecular Genetics, INSERMU1233, Center for Epigenetics and Metabolism, University of California - Irvine, Irvine, CA, USA. .,University of California - Irvine, Irvine, CA, USA.
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35
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Rodrigues LGF, de Araujo LD, Roa SLR, Bueno AC, Uchoa ET, Antunes-Rodrigues J, Moreira AC, Elias LLK, de Castro M, Martins CS. Restricted feeding modulates peripheral clocks and nutrient sensing pathways in rats. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2021; 65:549-561. [PMID: 34591411 PMCID: PMC10528573 DOI: 10.20945/2359-3997000000407] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 06/29/2021] [Indexed: 06/13/2023]
Abstract
OBJECTIVE Feeding restriction in rats alters the oscillators in suprachiasmatic, paraventricular, and arcuate nuclei, hypothalamic areas involved in food intake. In the present study, using the same animals and experimental protocol, we aimed to analyze if food restriction could reset clock genes (Clock, Bmal1) and genes involved in lipid metabolism (Pgc1a, Pparg, Ucp2) through nutrient-sensing pathways (Sirt1, Ampk, Nampt) in peripheral tissues. METHODS Rats were grouped according to food access: Control group (CG, food ad libitum), Restricted night-fed (RF-n, food access during 2 h at night), Restricted day-fed (RF-d, food access during 2 h in the daytime), and Day-fed (DF, food access during 12 h in the daytime). After 21 days, rats were decapitated at ZT3 (0900-1000 h), ZT11 (1700-1800 h), or ZT17 (2300-2400 h). Blood, liver, brown (BAT) and peri-epididymal (PAT) adipose tissues were collected. Plasma corticosterone and gene expression were evaluated by radioimmunoassay and qPCR, respectively. RESULTS In the liver, the expression pattern of Clock and Bmal1 shifted when food access was dissociated from rat nocturnal activity; this phenomenon was attenuated in adipose tissues. Daytime feeding also inverted the profile of energy-sensing and lipid metabolism-related genes in the liver, whereas calorie restriction induced a pre-feeding increased expression of these genes. In adipose tissues, Sirt1 expression was modified by daytime feeding and calorie restriction, with concomitant expression of Pgc1a, Pparg, and Ucp2 but not Ampk and Nampt. CONCLUSION Feeding restriction reset clock genes and genes involved in lipid metabolism through nutrient-sensing-related genes in rat liver, brown, and peri-epididymal adipose tissues.
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Affiliation(s)
- Luis Guilherme F Rodrigues
- Departamento de Medicina Interna, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil
| | - Leonardo D de Araujo
- Departamento de Fisiologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil
| | - Silvia L R Roa
- Departamento de Medicina Interna, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil
| | - Ana C Bueno
- Departamento de Pediatria, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil
| | - Ernane T Uchoa
- Departamento de Fisiologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil
| | - José Antunes-Rodrigues
- Departamento de Fisiologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil
| | - Ayrton C Moreira
- Departamento de Medicina Interna, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil
| | - Lucila L K Elias
- Departamento de Fisiologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil
| | - Margaret de Castro
- Departamento de Medicina Interna, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil
| | - Clarissa S Martins
- Departamento de Medicina Interna, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil,
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Huang K, Wang Y, Zhu J, Xiong Y, Lin Y. Regulation of fibroblast growth factor 9 on the differentiation of goat intramuscular adipocytes. Anim Sci J 2021; 92:e13627. [PMID: 34477270 DOI: 10.1111/asj.13627] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 05/05/2021] [Accepted: 08/04/2021] [Indexed: 12/26/2022]
Abstract
It has been found that fibroblast growth factor receptor (FGF-FGFR) signaling can regulate the expression of adipocyte differentiation genes. FGF9 is one of the members of FGFs that mainly binds receptors FGFR2 and FGFR3. FGF9 is highly expressed in the adipose tissue of humans and mice, but there are few reports on the role of FGF9 in goat intramuscular adipocyte differentiation. Therefore, this study explored the effect of FGF9 on adipocyte differentiation through cell culture, interference, and overexpression. The expression of receptors FGFR1-FGFR4 in adipocyte differentiation and their effects on differentiation were detected to screen receptor gene of FGF9. Finally, the interaction between FGF9 and the receptor was tested by cotransfection. Our results showed that FGF9 interacts with FGFR2 to inhibit goat intramuscular adipocyte differentiation by regulating peroxisome proliferator-activated receptor gamma (PPARγ) and preadipocyte factor 1 (Pref1), which is a data support for subsequent pathway research.
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Affiliation(s)
- Kai Huang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest Minzu University, Chengdu, China.,Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province, Southwest Minzu University, Chengdu, China
| | - Yong Wang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest Minzu University, Chengdu, China.,Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province, Southwest Minzu University, Chengdu, China
| | - Jiangjiang Zhu
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest Minzu University, Chengdu, China.,Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province, Southwest Minzu University, Chengdu, China
| | - Yan Xiong
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest Minzu University, Chengdu, China.,Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province, Southwest Minzu University, Chengdu, China
| | - Yaqiu Lin
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest Minzu University, Chengdu, China.,Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province, Southwest Minzu University, Chengdu, China
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37
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Cellular and physiological circadian mechanisms drive diurnal cell proliferation and expansion of white adipose tissue. Nat Commun 2021; 12:3482. [PMID: 34108488 PMCID: PMC8190103 DOI: 10.1038/s41467-021-23770-0] [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: 07/11/2019] [Accepted: 04/29/2021] [Indexed: 02/05/2023] Open
Abstract
Hyperplastic expansion of white adipose tissue (WAT) relies in part on the proliferation of adipocyte precursor cells residing in the stromal vascular cell fraction (SVF) of WAT. This study reveals a circadian clock- and feeding-induced diurnal pattern of cell proliferation in the SVF of visceral and subcutaneous WAT in vivo, with higher proliferation of visceral adipocyte progenitor cells subsequent to feeding in lean mice. Fasting or loss of rhythmic feeding eliminates this diurnal proliferation, while high fat feeding or genetic disruption of the molecular circadian clock modifies the temporal expression of proliferation genes and impinges on diurnal SVF proliferation in eWAT. Surprisingly, high fat diet reversal, sufficient to reverse elevated SVF proliferation in eWAT, was insufficient in restoring diurnal patterns of SVF proliferation, suggesting that high fat diet induces a sustained disruption of the adipose circadian clock. In conclusion, the circadian clock and feeding simultaneously impart dynamic, regulatory control of adipocyte progenitor proliferation, which may be a critical determinant of adipose tissue expansion and health over time.
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38
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Nie X, Wei X, Ma H, Fan L, Chen WD. The complex role of Wnt ligands in type 2 diabetes mellitus and related complications. J Cell Mol Med 2021; 25:6479-6495. [PMID: 34042263 PMCID: PMC8278111 DOI: 10.1111/jcmm.16663] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/02/2021] [Accepted: 05/10/2021] [Indexed: 12/15/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is one of the major chronic diseases, whose prevalence is increasing dramatically worldwide and can lead to a range of serious complications. Wnt ligands (Wnts) and their activating Wnt signalling pathways are closely involved in the regulation of various processes that are important for the occurrence and progression of T2DM and related complications. However, our understanding of their roles in these diseases is quite rudimentary due to the numerous family members of Wnts and conflicting effects via activating the canonical and/or non-canonical Wnt signalling pathways. In this review, we summarize the current findings on the expression pattern and exact role of each human Wnt in T2DM and related complications, including Wnt1, Wnt2, Wnt2b, Wnt3, Wnt3a, Wnt4, Wnt5a, Wnt5b, Wnt6, Wnt7a, Wnt7b, Wnt8a, Wnt8b, Wnt9a, Wnt9b, Wnt10a, Wnt10b, Wnt11 and Wnt16. Moreover, the role of main antagonists (sFRPs and WIF-1) and coreceptor (LRP6) of Wnts in T2DM and related complications and main challenges in designing Wnt-based therapeutic approaches for these diseases are discussed. We hope a deep understanding of the mechanistic links between Wnt signalling pathways and diabetic-related diseases will ultimately result in a better management of these diseases.
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Affiliation(s)
- Xiaobo Nie
- Key Laboratory of Receptors-Mediated Gene Regulation and Drug Discovery, School of Basic Medical Sciences, People's Hospital of Hebi, Henan University, Kaifeng, China
| | - Xiaoyun Wei
- Key Laboratory of Receptors-Mediated Gene Regulation and Drug Discovery, School of Basic Medical Sciences, People's Hospital of Hebi, Henan University, Kaifeng, China
| | - Han Ma
- Key Laboratory of Receptors-Mediated Gene Regulation and Drug Discovery, School of Basic Medical Sciences, People's Hospital of Hebi, Henan University, Kaifeng, China
| | - Lili Fan
- Key Laboratory of Receptors-Mediated Gene Regulation and Drug Discovery, School of Basic Medical Sciences, People's Hospital of Hebi, Henan University, Kaifeng, China
| | - Wei-Dong Chen
- Key Laboratory of Receptors-Mediated Gene Regulation and Drug Discovery, School of Basic Medical Sciences, People's Hospital of Hebi, Henan University, Kaifeng, China.,Key Laboratory of Molecular Pathology, School of Basic Medical Science, Inner Mongolia Medical University, Hohhot, China
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Boucsein A, Kamstra K, Tups A. Central signalling cross-talk between insulin and leptin in glucose and energy homeostasis. J Neuroendocrinol 2021; 33:e12944. [PMID: 33615588 DOI: 10.1111/jne.12944] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 01/10/2021] [Accepted: 01/27/2021] [Indexed: 12/28/2022]
Abstract
Energy homeostasis is controlled by an intricate regulatory system centred in the brain. The peripheral adiposity signals insulin and leptin play a crucial role in this system by informing the brain of the energy status of the body and mediating their catabolic effects through signal transduction in hypothalamic areas that control food intake, energy expenditure and glucose metabolism. Disruptions of insulin and leptin signalling can result in diabetes and obesity. The central signalling cross-talk between insulin and leptin is essential for maintenance of normal healthy energy homeostasis. An important role of leptin in glucoregulation has been revealed. Typically regarded as being controlled by insulin, the control of glucose homeostasis critically depends on functional leptin action. Leptin, on the other hand, is able to lower glucose levels in the absence of insulin, although insulin is necessary for long-term stabilisation of euglycaemia. Evidence from rodent models and human patients suggests that leptin improves insulin sensitivity in type 1 diabetes. The signalling cross-talk between insulin and leptin is likely conveyed by the WNT/β-catenin pathway. Leptin activates WNT/β-catenin signalling, leading to inhibition of glycogen synthase kinase-3β, a key inhibitor of insulin action, thereby facilitating improved insulin signal transduction and sensitisation of insulin action. Interestingly, insights into the roles of insulin and leptin in insects and fish indicate that leptin may have initially evolved as a glucoregulatory hormone and that its anorexigenic and body weight regulatory function was acquired throughout evolution. Furthermore, the regulation of both central and peripheral control of energy homeostasis is tightly controlled by the circadian clock, allowing adaptation of homeostatic processes to environmental cues.
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Affiliation(s)
- Alisa Boucsein
- Centre for Neuroendocrinology, Department of Physiology, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | - Kaj Kamstra
- Centre for Neuroendocrinology, Department of Physiology, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | - Alexander Tups
- Centre for Neuroendocrinology, Department of Physiology, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand
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40
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Wan X, Zhu L, Zhao L, Peng L, Xiong J, Yang W, Yuan J, Liang F, Zhang K, Chen K. hPER3 promotes adipogenesis via hHSP90AA1-mediated inhibition of Notch1 pathway. Cell Death Dis 2021; 12:301. [PMID: 33741899 PMCID: PMC7979882 DOI: 10.1038/s41419-021-03584-0] [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: 12/08/2020] [Revised: 02/26/2021] [Accepted: 03/03/2021] [Indexed: 12/17/2022]
Abstract
The period circadian regulator 3 (PER3) has been reported to play a negative role in human immortalized bone marrow-derived Scp-1 cells (iBMSCs) and patient adipose-derived stromal cells (PASCs) or a negative/positive role in mice adipogenesis. However, human PER3 (hPER3) was identified as a positive regulator of human adipose tissue-derived stromal cells (hADSCs) adipogenesis in this study. Silencing or overexpression of hPER3 in hADSCs inhibited and promoted adipogenesis in vitro. In vivo, the overexpression of hPER3 increased high-fat diet-induced inguinal white adipose tissue (iWAT) and epididymal white adipose tissue (eWAT) forms, increasing systemic glucose intolerance and insulin resistance. Molecularly, hPER3 does not interact with hPPARγ, but represses Notch1 signaling pathway to enhance adipogenesis by interacting with hHSP90AA1, which is able to combine with the promoter of hNotch1 and inactivate its expression. Thus, our study revealed hPER3 as a critical positive regulator of hADSCs adipogenesis, which was different from the other types of cells, providing a critical role of it in treating obesity.
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Affiliation(s)
- Xinxing Wan
- Department of Endocrinology, Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Liyong Zhu
- Department of Bariatric and Metabolic Surgery, Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Liling Zhao
- Department of Endocrinology, Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Lin Peng
- Department of Nephrology, The First Hospital of Changsha, Changsha, Hunan, 410005, China
| | - Jing Xiong
- Department of Endocrinology, Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Wenjun Yang
- Department of Endocrinology, Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Jingjing Yuan
- Department of Endocrinology, Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Fang Liang
- Department of Endocrinology, Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Keke Zhang
- Department of Endocrinology, Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Ke Chen
- Department of Endocrinology, Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China.
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41
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Wu J, Zhou X, Dou Z, Wu T, Liu R, Sui W, Zhang M. Different Molecular Weight Black Garlic Melanoidins Alleviate High Fat Diet Induced Circadian Intestinal Microbes Dysbiosis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:3069-3081. [PMID: 33661003 DOI: 10.1021/acs.jafc.0c07723] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The purpose of this study is to explore the effects of different molecular weight black garlic melanoidins (MLDs) on high fat diet (HFD) induced dysrhythmia of intestinal microorganisms. The results showed that a HFD disturbed the periodic fluctuation of the gut microbiome and that oral gavage of low molecular weight melanoidin (LMM) or high molecular weight melanoidin (HMM) reversed these cyclical variations in part, which resulted in an increase in the number of bacteria producing short-chain fatty acids (SCFAs) and a decrease in the oscillation of inflammation-related bacteria within a specific time period over the course of 1 day. Moreover, structural analysis showed different structure characterizations of LMM and HMM, which are related to the differences in flora oscillation. Therefore, the data showed that LMM and HMM relieve the circadian rhythm disorder of intestinal microbiota induced by a HFD in mice, which supported the further study of MLDs as a new dietary assistant strategy to improve chronic diseases.
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Affiliation(s)
- Jianfu Wu
- State Key Laboratory of Food Nutrition and Safety, Food Biotechnology Engineering Research Center of Ministry of Education, College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Xiaodan Zhou
- State Key Laboratory of Food Nutrition and Safety, Food Biotechnology Engineering Research Center of Ministry of Education, College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Zishan Dou
- State Key Laboratory of Food Nutrition and Safety, Food Biotechnology Engineering Research Center of Ministry of Education, College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Tao Wu
- State Key Laboratory of Food Nutrition and Safety, Food Biotechnology Engineering Research Center of Ministry of Education, College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Rui Liu
- State Key Laboratory of Food Nutrition and Safety, Food Biotechnology Engineering Research Center of Ministry of Education, College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Wenjie Sui
- State Key Laboratory of Food Nutrition and Safety, Food Biotechnology Engineering Research Center of Ministry of Education, College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Min Zhang
- State Key Laboratory of Food Nutrition and Safety, Food Biotechnology Engineering Research Center of Ministry of Education, College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China
- Tianjin Agricultural University, Tianjin 300384, PR China
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42
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Heyde I, Begemann K, Oster H. Contributions of white and brown adipose tissues to the circadian regulation of energy metabolism. Endocrinology 2021; 162:6102571. [PMID: 33453099 PMCID: PMC7864004 DOI: 10.1210/endocr/bqab009] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Indexed: 12/17/2022]
Abstract
The term energy metabolism comprises the entirety of chemical processes associated with uptake, conversion, storage, and breakdown of nutrients. All these must be tightly regulated in time and space to ensure metabolic homeostasis in an environment characterized by cycles such as the succession of day and night. Most organisms evolved endogenous circadian clocks to achieve this goal. In mammals, a ubiquitous network of cellular clocks is coordinated by a pacemaker residing in the hypothalamic suprachiasmatic nucleus. Adipocytes harbor their own circadian clocks, and large aspects of adipose physiology are regulated in a circadian manner through transcriptional regulation of clock-controlled genes. White adipose tissue (WAT) stores energy in the form of triglycerides at times of high energy levels that then serve as fuel in times of need. It also functions as an endocrine organ, releasing factors in a circadian manner to regulate food intake and energy turnover in other tissues. Brown adipose tissue (BAT) produces heat through nonshivering thermogenesis, a process also controlled by the circadian clock. We here review how WAT and BAT contribute to the circadian regulation of energy metabolism. We describe how adipose rhythms are regulated by the interplay of systemic signals and local clocks and summarize how adipose-originating circadian factors feed-back on metabolic homeostasis. The role of adipose tissue in the circadian control of metabolism becomes increasingly clear as circadian disruption leads to alterations in adipose tissue regulation, promoting obesity and its sequelae. Stabilizing adipose tissue rhythms, in turn, may help to combat disrupted energy homeostasis and obesity.
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Affiliation(s)
- Isabel Heyde
- Institute of Neurobiology, University of Lübeck, Lübeck, Germany
| | | | - Henrik Oster
- Institute of Neurobiology, University of Lübeck, Lübeck, Germany
- Correspondence: Henrik Oster, PhD, Institute of Neurobiology, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany.
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43
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Xiong X, Lin Y, Lee J, Paul A, Yechoor V, Figueiro M, Ma K. Chronic circadian shift leads to adipose tissue inflammation and fibrosis. Mol Cell Endocrinol 2021; 521:111110. [PMID: 33285245 PMCID: PMC7799174 DOI: 10.1016/j.mce.2020.111110] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 11/11/2020] [Accepted: 12/01/2020] [Indexed: 12/13/2022]
Abstract
The circadian clock exerts temporal coordination of metabolic pathways. Clock disruption is intimately linked with the development of obesity and insulin resistance, and our previous studies found that the essential clock transcription activator, Brain and Muscle Arnt-like 1 (Bmal1), is a key regulator of adipogenesis. However, the metabolic consequences of chronic shiftwork on adipose tissues have not been clearly defined. Here, using an environmental lighting-induced clock disruption that mimics rotating shiftwork schedule, we show that chronic clock dysregulation for 6 months in mice resulted in striking adipocyte hypertrophy with adipose tissue inflammation and fibrosis. Both visceral and subcutaneous depots display enlarged adipocyte with prominent crown-like structures indicative of macrophage infiltration together with evidence of extracellular matrix remodeling. Global transcriptomic analyses of these fat depots revealed that shiftwork resulted in up-regulations of inflammatory, adipogenic and angiogenic pathways with disruption of normal time-of-the-day-dependent regulation. These changes in adipose tissues are associated with impaired insulin signaling in mice subjected to shiftwork, together with suppression of the mTOR signaling pathway. Taken together, our study identified the significant adipose depot dysfunctions induced by chronic shiftwork regimen that may underlie the link between circadian misalignment and insulin resistance.
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Affiliation(s)
- Xuekai Xiong
- Department of Diabetes Complications & Metabolism, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Yayu Lin
- Department of Diabetes Complications & Metabolism, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Jeongkyung Lee
- Diabetes and Beta Cell Biology Center, Division of Endocrinology, Diabetes & Metabolism, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Antonio Paul
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY, 12208, USA
| | - Vijay Yechoor
- Diabetes and Beta Cell Biology Center, Division of Endocrinology, Diabetes & Metabolism, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Mariana Figueiro
- Lighting Research Center, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Ke Ma
- Department of Diabetes Complications & Metabolism, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA.
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44
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Chirico N, Van Laake LW, Sluijter JPG, van Mil A, Dierickx P. Cardiac circadian rhythms in time and space: The future is in 4D. Curr Opin Pharmacol 2020; 57:49-59. [PMID: 33338891 DOI: 10.1016/j.coph.2020.11.006] [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] [Received: 09/10/2020] [Revised: 10/25/2020] [Accepted: 11/16/2020] [Indexed: 12/12/2022]
Abstract
The circadian clock synchronizes the body into 24-h cycles, thereby anticipating variations in tissue-specific diurnal tasks, such as response to increased cardiac metabolic demand during the active period of the day. As a result, blood pressure, heart rate, cardiac output, and occurrence of fatal cardiovascular events fluctuate in a diurnal manner. The heart contains different cell types that make up and reside in an environment of biochemical, mechanical, and topographical signaling. Cardiac architecture is essential for proper heart development as well as for maintenance of cell homeostasis and tissue repair. In this review, we describe the possibilities of studying circadian rhythmicity in the heart by using advanced in vitro systems that mimic the native cardiac 3D microenvironment which can be tuned in time and space. Harnessing the knowledge that originates from those in vitro models could significantly improve innovative cardiac modeling and regenerative strategies.
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Affiliation(s)
- Nino Chirico
- Regenerative Medicine Center, Circulatory Health Laboratory, University Medical Center Utrecht, University Utrecht, Utrecht, the Netherlands; Department of Cardiology and Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Linda W Van Laake
- Regenerative Medicine Center, Circulatory Health Laboratory, University Medical Center Utrecht, University Utrecht, Utrecht, the Netherlands; Department of Cardiology and Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Joost P G Sluijter
- Regenerative Medicine Center, Circulatory Health Laboratory, University Medical Center Utrecht, University Utrecht, Utrecht, the Netherlands; Department of Cardiology and Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Alain van Mil
- Regenerative Medicine Center, Circulatory Health Laboratory, University Medical Center Utrecht, University Utrecht, Utrecht, the Netherlands; Department of Cardiology and Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Pieterjan Dierickx
- Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA19104, USA; Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA19104, USA.
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45
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Gao H, Xiong X, Lin Y, Chatterjee S, Ma K. The clock regulator Bmal1 protects against muscular dystrophy. Exp Cell Res 2020; 397:112348. [PMID: 33130178 PMCID: PMC9030224 DOI: 10.1016/j.yexcr.2020.112348] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 10/28/2020] [Accepted: 10/29/2020] [Indexed: 12/18/2022]
Abstract
The muscle-intrinsic clock machinery is required for the maintenance of muscle growth, remodeling and function. Our previous studies demonstrated that the essential transcription activator of the molecular clock feed-back loop, Brain and Muscle Arnt-Like 1(Bmal1), plays a critical role in myogenic progenitor behavior to promote and regenerative myogenesis. Using genetic approaches targeting Bmal1 in the DMDmdx (mdx) dystrophic mouse model, here we report that the loss of Bmal1 function significantly accelerated dystrophic disease progression. In contrast to the mild dystrophic changes in mdx mice, the genetic loss-of-function of Bmal1 aggravated muscle damage in this dystrophic disease background, as indicated by persistently elevated creatine kinase levels, increased injury area and reduced muscle grip strength. Mechanistic studies revealed that markedly impaired myogenic progenitor proliferation and myogenic response underlie the defective new myofiber formation in the chronic dystrophic milieu. Taken together, our study identified the function of pro-myogenic clock gene Bmal1 in protecting against dystrophic damage, suggesting the potential for augmenting Bmal1 function to ameliorate dystrophic or degenerative muscle diseases.
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MESH Headings
- ARNTL Transcription Factors/genetics
- ARNTL Transcription Factors/metabolism
- Animals
- Disease Models, Animal
- Male
- Mice
- Mice, Inbred mdx
- Mice, Knockout
- Muscle Development
- Muscle, Skeletal/cytology
- Muscular Dystrophy, Animal/metabolism
- Muscular Dystrophy, Animal/pathology
- Muscular Dystrophy, Animal/prevention & control
- Muscular Dystrophy, Duchenne/metabolism
- Muscular Dystrophy, Duchenne/pathology
- Muscular Dystrophy, Duchenne/prevention & control
- Regeneration
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Affiliation(s)
- Hongbo Gao
- Department of Diabetes Complications & Metabolism, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Xuekai Xiong
- Department of Diabetes Complications & Metabolism, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Yayu Lin
- Department of Diabetes Complications & Metabolism, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Somik Chatterjee
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Ke Ma
- Department of Diabetes Complications & Metabolism, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA.
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Frazier K, Frith M, Harris D, Leone VA. Mediators of Host–Microbe Circadian Rhythms in Immunity and Metabolism. BIOLOGY 2020; 9:biology9120417. [PMID: 33255707 PMCID: PMC7761326 DOI: 10.3390/biology9120417] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 11/20/2020] [Indexed: 12/27/2022]
Abstract
Simple Summary Circadian rhythms serve as the body’s internal metronome, driving responses to environmental cues over a 24-h period. Essential to nearly all life forms, the core circadian clock gene network drives physiological outputs associated with metabolic and immune responses. Modern-day disruptions to host circadian rhythms, such as shift work and jet lag, result in aberrant metabolic responses and development of complex diseases, including obesity and Type 2 Diabetes. These complex diseases are also impacted by interactions between gut microbes and the host immune system, driving a chronic low-grade inflammatory response. Gut microbes exhibit circadian dynamics that are closely tied to host circadian networks and disrupting microbial rhythmicity contributes to metabolic diseases. The underlying mediators that drive communication between host metabolism, the immune system, gut microbes, and circadian networks remain unknown, particularly in humans. Here, we explore the current state of knowledge regarding the transkingdom control of circadian networks and discuss gaps and challenges to overcome to push the field forward from the preclinical to clinical setting. Abstract Circadian rhythms are essential for nearly all life forms, mediated by a core molecular gene network that drives downstream molecular processes involved in immune function and metabolic regulation. These biological rhythms serve as the body’s metronome in response to the 24-h light:dark cycle and other timed stimuli. Disrupted circadian rhythms due to drastic lifestyle and environmental shifts appear to contribute to the pathogenesis of metabolic diseases, although the mechanisms remain elusive. Gut microbiota membership and function are also key mediators of metabolism and are highly sensitive to environmental perturbations. Recent evidence suggests rhythmicity of gut microbes is essential for host metabolic health. The key molecular mediators that transmit rhythmic signals between microbes and host metabolic networks remain unclear, but studies suggest the host immune system may serve as a conduit between these two systems, providing homeostatic signals to maintain overall metabolic health. Despite this knowledge, the precise mechanism and communication modalities that drive these rhythms remain unclear, especially in humans. Here, we review the current literature examining circadian dynamics of gut microbes, the immune system, and metabolism in the context of metabolic dysregulation and provide insights into gaps and challenges that remain.
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Affiliation(s)
- Katya Frazier
- Department of Medicine, University of Chicago, Chicago, IL 60637, USA; (K.F.); (M.F.); (D.H.)
| | - Mary Frith
- Department of Medicine, University of Chicago, Chicago, IL 60637, USA; (K.F.); (M.F.); (D.H.)
- Medical Scientist Training Program, University of Chicago, Chicago, IL 60637, USA
| | - Dylan Harris
- Department of Medicine, University of Chicago, Chicago, IL 60637, USA; (K.F.); (M.F.); (D.H.)
| | - Vanessa A. Leone
- Department of Medicine, University of Chicago, Chicago, IL 60637, USA; (K.F.); (M.F.); (D.H.)
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI 53706, USA
- Correspondence: ; Tel.: +1-608-262-5551
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Huang S, Choi MH, Huang H, Wang X, Chang YC, Kim JY. Demyelination Regulates the Circadian Transcription Factor BMAL1 to Signal Adult Neural Stem Cells to Initiate Oligodendrogenesis. Cell Rep 2020; 33:108394. [PMID: 33207207 DOI: 10.1016/j.celrep.2020.108394] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 07/10/2020] [Accepted: 10/26/2020] [Indexed: 10/22/2022] Open
Abstract
Circadian clocks are endogenous oscillators that generate cell-autonomous rhythms that govern cellular processes and are synchronized by external cues in the local macro- and micro-environments. Demyelination, a common brain pathology with variable degrees of recovery, changes the microenvironment via damaged myelin and activation of glial cells. How these microenvironmental changes affect local circadian clocks and with what consequences is mostly unknown. Here, we show that within demyelinating lesions, astrocyte circadian clocks produce the Wnt inhibitors SFRP1 and SFRP5. Unexpectedly, SFRP1 and SFRP5 signal to the subventricular zone (SVZ) to reduce the circadian transcription factor BMAL1. This sequence of events causes adult neural stem cells in the SVZ to differentiate into oligodendrocyte lineage cells, which are then supplied to demyelinated lesions. Our findings show that circadian clocks in demyelinating lesions respond to microenvironmental changes and communicate with the SVZ to enhance a natural repair system of spontaneous remyelination.
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Affiliation(s)
- Suihong Huang
- Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, China
| | - Ming Ho Choi
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China
| | - Hao Huang
- Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, China
| | - Xin Wang
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China; Shenzhen Research Institute, City University of Hong Kong, Shenzhen, China
| | - Yu Chen Chang
- Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, China
| | - Jin Young Kim
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China; Shenzhen Research Institute, City University of Hong Kong, Shenzhen, China.
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The influence of circadian rhythms and aerobic glycolysis in autism spectrum disorder. Transl Psychiatry 2020; 10:400. [PMID: 33199680 PMCID: PMC7669888 DOI: 10.1038/s41398-020-01086-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 05/05/2020] [Accepted: 05/14/2020] [Indexed: 02/06/2023] Open
Abstract
Intellectual abilities and their clinical presentations are extremely heterogeneous in autism spectrum disorder (ASD). The main causes of ASD remain unclear. ASD is frequently associated with sleep disorders. Biologic rhythms are complex systems interacting with the environment and controlling several physiological pathways, including brain development and behavioral processes. Recent findings have shown that the deregulation of the core clock neurodevelopmental signaling is correlated with ASD clinical presentation. One of the main pathways involved in developmental cognitive disorders is the canonical WNT/β-catenin pathway. Circadian clocks have a main role in some tissues by driving circadian expression of genes involved in physiologic and metabolic functions. In ASD, the increase of the canonical WNT/β-catenin pathway is enhancing by the dysregulation of circadian rhythms. ASD progression is associated with a major metabolic reprogramming, initiated by aberrant WNT/β-catenin pathway, the aerobic glycolysis. This review focuses on the interest of circadian rhythms dysregulation in metabolic reprogramming in ASD through the aberrant upregulation of the canonical WNT/β-catenin pathway.
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Peroxisome Proliferator-Activated Receptors as Molecular Links between Caloric Restriction and Circadian Rhythm. Nutrients 2020; 12:nu12113476. [PMID: 33198317 PMCID: PMC7696073 DOI: 10.3390/nu12113476] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 11/04/2020] [Accepted: 11/09/2020] [Indexed: 02/06/2023] Open
Abstract
The circadian rhythm plays a chief role in the adaptation of all bodily processes to internal and environmental changes on the daily basis. Next to light/dark phases, feeding patterns constitute the most essential element entraining daily oscillations, and therefore, timely and appropriate restrictive diets have a great capacity to restore the circadian rhythm. One of the restrictive nutritional approaches, caloric restriction (CR) achieves stunning results in extending health span and life span via coordinated changes in multiple biological functions from the molecular, cellular, to the whole-body levels. The main molecular pathways affected by CR include mTOR, insulin signaling, AMPK, and sirtuins. Members of the family of nuclear receptors, the three peroxisome proliferator-activated receptors (PPARs), PPARα, PPARβ/δ, and PPARγ take part in the modulation of these pathways. In this non-systematic review, we describe the molecular interconnection between circadian rhythm, CR-associated pathways, and PPARs. Further, we identify a link between circadian rhythm and the outcomes of CR on the whole-body level including oxidative stress, inflammation, and aging. Since PPARs contribute to many changes triggered by CR, we discuss the potential involvement of PPARs in bridging CR and circadian rhythm.
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Man AWC, Xia N, Li H. Circadian Rhythm in Adipose Tissue: Novel Antioxidant Target for Metabolic and Cardiovascular Diseases. Antioxidants (Basel) 2020; 9:E968. [PMID: 33050331 PMCID: PMC7601443 DOI: 10.3390/antiox9100968] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 09/29/2020] [Accepted: 10/03/2020] [Indexed: 12/11/2022] Open
Abstract
Obesity is a major risk factor for most metabolic and cardiovascular disorders. Adipose tissue is an important endocrine organ that modulates metabolic and cardiovascular health by secreting signaling molecules. Oxidative stress is a common mechanism associated with metabolic and cardiovascular complications including obesity, type 2 diabetes, and hypertension. Oxidative stress can cause adipose tissue dysfunction. Accumulating data from both humans and experimental animal models suggest that adipose tissue function and oxidative stress have an innate connection with the intrinsic biological clock. Circadian clock orchestrates biological processes in adjusting to daily environmental changes according to internal or external cues. Recent studies have identified the genes and molecular pathways exhibiting circadian expression patterns in adipose tissue. Disruption of the circadian rhythmicity has been suggested to augment oxidative stress and aberrate adipose tissue function and metabolism. Therefore, circadian machinery in the adipose tissue may be a novel therapeutic target for the prevention and treatment of metabolic and cardiovascular diseases. In this review, we summarize recent findings on circadian rhythm and oxidative stress in adipose tissue, dissect the key components that play a role in regulating the clock rhythm, oxidative stress and adipose tissue function, and discuss the potential use of antioxidant treatment on metabolic and cardiovascular diseases by targeting the adipose clock.
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Affiliation(s)
| | | | - Huige Li
- Department of Pharmacology, Johannes Gutenberg University Medical Center, Langenbeckstr, 1, 55131 Mainz, Germany; (A.W.C.M.); (N.X.)
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