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Ding Y, Su J, Shan B, Fu X, Zheng G, Wang J, Wu L, Wang F, Chai X, Sun H, Zhang J. Brown adipose tissue-derived FGF21 mediates the cardioprotection of dexmedetomidine in myocardial ischemia/reperfusion injury. Sci Rep 2024; 14:18292. [PMID: 39112671 PMCID: PMC11306229 DOI: 10.1038/s41598-024-69356-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Accepted: 08/04/2024] [Indexed: 08/10/2024] Open
Abstract
Brown adipose tissue (BAT) plays a critical role in regulating cardiovascular homeostasis through the secretion of adipokines, such as fibroblast growth factor 21 (FGF21). Dexmedetomidine (DEX) is a selective α2-adrenergic receptor agonist with a protection against myocardial ischemia/reperfusion injury (MI/RI). It remains largely unknown whether or not BAT-derived FGF21 is involved in DEX-induced cardioprotection in the context of MI/RI. Herein, we demonstrated that DEX alleviated MI/RI and improved heart function through promoting the release of FGF21 from interscapular BAT (iBAT). Surgical iBAT depletion or supplementation with a FGF21 neutralizing antibody attenuated the beneficial effects of DEX. AMPK/PGC1α signaling-induced fibroblast growth factor 21 (FGF21) release in brown adipocytes is required for DEX-mediated cardioprotection since blockade of the AMPK/PGC1α axis weakened the salutary effects of DEX. Co-culture experiments showed that DEX-induced FGF21 from brown adipocytes increased the resistance of cardiomyocytes to hypoxia/reoxygenation (H/R) injury via modulating the Keap1/Nrf2 pathway. Our results provided robust evidence that the BAT-cardiomyocyte interaction is required for DEX cardioprotection, and revealed an endocrine role of BAT in DEX-mediating protection of hearts against MIRI.
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Affiliation(s)
- Yi Ding
- Department of Anesthesiology, Affiliated Hospital of Jiangnan University, No. 1000, Hefeng Road, Wuxi, 214125, People's Republic of China
| | - Jiabao Su
- Department of Anesthesiology, Affiliated Hospital of Jiangnan University, No. 1000, Hefeng Road, Wuxi, 214125, People's Republic of China
| | - Beiying Shan
- Department of Anesthesiology, Affiliated Hospital of Jiangnan University, No. 1000, Hefeng Road, Wuxi, 214125, People's Republic of China
| | - Xiao Fu
- Laboratory of Metabolic and Inflammatory Diseases, Wuxi School of Medicine, Jiangnan University, No.1800, Lihu Road, Wuxi, 214125, People's Republic of China
| | - Guanli Zheng
- Department of Anesthesiology, Affiliated Hospital of Jiangnan University, No. 1000, Hefeng Road, Wuxi, 214125, People's Republic of China
| | - Jiwen Wang
- Department of Anesthesiology, Affiliated Hospital of Jiangnan University, No. 1000, Hefeng Road, Wuxi, 214125, People's Republic of China
| | - Lixue Wu
- Department of Anesthesiology, Affiliated Hospital of Jiangnan University, No. 1000, Hefeng Road, Wuxi, 214125, People's Republic of China
| | - Fangming Wang
- Department of Rheumatology and Immunology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, 214125, People's Republic of China
| | - Xiaoying Chai
- Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, 214125, People's Republic of China
| | - Haijian Sun
- Laboratory of Metabolic and Inflammatory Diseases, Wuxi School of Medicine, Jiangnan University, No.1800, Lihu Road, Wuxi, 214125, People's Republic of China.
| | - Jiru Zhang
- Department of Anesthesiology, Affiliated Hospital of Jiangnan University, No. 1000, Hefeng Road, Wuxi, 214125, People's Republic of China.
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Gianazza E, Brioschi M, Eligini S, Banfi C. Mass spectrometry for the study of adipocyte cell secretome in cardiovascular diseases. MASS SPECTROMETRY REVIEWS 2024; 43:752-781. [PMID: 36161723 DOI: 10.1002/mas.21812] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 08/04/2022] [Accepted: 09/03/2022] [Indexed: 06/16/2023]
Abstract
Adipose tissue is classically considered the primary site of lipid storage, but in recent years has garnered appreciation for its broad role as an endocrine organ, capable of remotely signaling to other tissues to alter their metabolic program. The adipose tissue is now recognized as a crucial regulator of cardiovascular health, mediated by the secretion of several bioactive products, with a wide range of endocrine and paracrine effects on the cardiovascular system. Thanks to the development and improvement of high-throughput mass spectrometry, the size and components of the human secretome have been characterized. In this review, we summarized the recent advances in mass spectrometry-based studies of the cell and tissue secretome for the understanding of adipose tissue biology, which may help to decipher the complex molecular mechanisms controlling the crosstalk between the adipose tissue and the cardiovascular system, and their possible clinical translation.
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Affiliation(s)
- Erica Gianazza
- Centro Cardiologico Monzino IRCCS, Unit of Functional Proteomics, Metabolomics and Network Analysis, Milan, Italy
| | - Maura Brioschi
- Centro Cardiologico Monzino IRCCS, Unit of Functional Proteomics, Metabolomics and Network Analysis, Milan, Italy
| | - Sonia Eligini
- Centro Cardiologico Monzino IRCCS, Unit of Functional Proteomics, Metabolomics and Network Analysis, Milan, Italy
| | - Cristina Banfi
- Centro Cardiologico Monzino IRCCS, Unit of Functional Proteomics, Metabolomics and Network Analysis, Milan, Italy
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3
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Cai J, Quan Y, Zhu S, Jiayan Lin, Zhang Q, Liu J, Liang Z, Liao Y, Jiang W, He Y, Su T, Lu F. The browning and mobilization of subcutaneous white adipose tissue supports efficient skin repair. Cell Metab 2024; 36:1287-1301.e7. [PMID: 38838641 DOI: 10.1016/j.cmet.2024.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 03/05/2024] [Accepted: 05/08/2024] [Indexed: 06/07/2024]
Abstract
Adipocytes in dermis are considered to be important participants in skin repair and regeneration, but the role of subcutaneous white adipose tissue (sWAT) in skin repair is poorly understood. Here, we revealed the dynamic changes of sWAT during wound healing process. Lineage-tracing mouse studies revealed that sWAT would enter into the large wound bed and participate in the formation of granulation tissue. Moreover, sWAT undergoes beiging after skin injury. Inhibition of sWAT beiging by genetically silencing PRDM16, a key regulator to beiging, hindered wound healing process. The transcriptomics results suggested that beige adipocytes in sWAT abundantly express neuregulin 4 (NRG4), which regulated macrophage polarization and the function of myofibroblasts. In diabetic wounds, the beiging of sWAT was significantly suppressed. Thus, adipocytes from sWAT regulate multiple aspects of repair and may be therapeutic for inflammatory diseases and defective wound healing associated with aging and diabetes.
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Affiliation(s)
- Junrong Cai
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, P.R. China
| | - Yuping Quan
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, P.R. China
| | - Shaowei Zhu
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, P.R. China
| | - Jiayan Lin
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, P.R. China
| | - Qian Zhang
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, P.R. China
| | - Juzi Liu
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, P.R. China
| | - Zhuokai Liang
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, P.R. China
| | - Yunjun Liao
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, P.R. China
| | - Wenqing Jiang
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, P.R. China
| | - Yufei He
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, P.R. China
| | - Ting Su
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, P.R. China.
| | - Feng Lu
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, P.R. China.
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4
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Karimian A, Khoshnazar SM, Kazemi T, Asadi A, Abdolmaleki A. Role of secretomes in cell-free therapeutic strategies in regenerative medicine. Cell Tissue Bank 2024; 25:411-426. [PMID: 36725732 DOI: 10.1007/s10561-023-10073-5] [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: 08/01/2022] [Accepted: 01/21/2023] [Indexed: 02/03/2023]
Abstract
After an injury, peripheral nervous system neurons have the potential to rebuild their axons by generating a complicated activation response. Signals from the damaged axon are required for this genetic transition to occur. Schwann cells (SCs) near a damaged nerve's distal stump also play a role in the local modulation of axonal programs, not only via cell-to-cell contacts but also through secreted signals (the secretome). The secretome is made up of all the proteins that the cell produces, such as cytokines, growth factors, and extracellular vesicles. The released vesicles may carry signaling proteins as well as coding and regulatory RNAs, allowing for multilayer communication. The secretome of SCs is now well understood as being critical for both orchestrating Wallerian degeneration and maintaining axonal regeneration. As a consequence, secretome has emerged as a feasible tissue regeneration alternative to cell therapy. Separate SC secretome components have been used extensively in the lab to promote peripheral nerve regeneration after injury. However, in neurological therapies, the secretome generated by mesenchymal (MSC) or other derived stem cells has been the most often used. In fact, the advantages of cell treatment have been connected to the release of bioactive chemicals and extracellular vesicles, which make up MSCs' secretome.
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Affiliation(s)
- Aida Karimian
- Department of Biology, Faculty of Science, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Seyedeh Mahdieh Khoshnazar
- Gastroenterology and Hepatology Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Tahmineh Kazemi
- Department of Basic Sciences, Faculty of Veterinary Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Asadollah Asadi
- Department of Biology, Faculty of Science, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Arash Abdolmaleki
- Department of Biophysics, Faculty of Advanced Technologies, University of Mohaghegh Ardabili, Namin, Iran.
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Wen Q, Xie X, Ren Q, Pan R, Du Y. BDE-99 stimulates generation of aberrant brown/beige adipocytes. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 347:123761. [PMID: 38467365 DOI: 10.1016/j.envpol.2024.123761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 02/16/2024] [Accepted: 03/08/2024] [Indexed: 03/13/2024]
Abstract
Adipose tissue compromises one of the principal depots where brominated flame retardants (BFR) accumulate in vivo, yet whether BFR disturb thermogenic brown/beige adipocytes is still not referred to date. Herein, effects of BDE-99, a major congener of polybrominated diphenyl ethers (PBDEs) detected in humans, on brown/beige adipocytes were explored for the first time, aiming to provide new knowledge evaluating the obesogenic and metabolic disrupting effects of BFR. Our results firstly demonstrated that exposure to BDE-99 during the lineage commitment period significantly promoted C3H10T1/2 MSCs differentiating into brown/beige adipocytes, evidenced by the increase of brown/beige adipocyte marker UCP1, Cidea as well as mitochondrial membrane potential and basal respiration rate, which was similar to pharmacological PPARγ agonist rosiglitazone. Unexpectedly, the mitochondrial maximal respiration rate of BDE-99 stimulated brown/beige adipocytes was not synchronously enhanced and resulted in a significant reduction of mitochondrial spare respiration capacity (SRC) compared to control or rosiglitazone stimulated adipocytes, indicating a deficient energy-dissipating capacity of BDE-99 stimulated thermogenic adipocytes. Consistently with compromised mitochondrial SRC, lipidomic analysis further revealed that the lipids profile of mitochondria derived from BDE-99 stimulated brown/beige adipocytes were quite different from control or rosiglitazone stimulated cells. In detail, BDE-99 group contains more free fatty acid (FFA) and lyso-PE in mitochondria. In addition to energy metabolism, our results also demonstrated that BDE-99 stimulated brown/beige adipocytes were deficient in endocrine, which secreted more adverse adipokine named resistin, coinciding with comparable beneficial adipokine adiponectin compared with that of rosiglitazone. Taken together, our results showed for the first time that BDE-99 stimulated brown/beige adipocytes were aberrant in energy metabolism and endocrine, which strongly suggests that BDE-99 accumulated in human adipose tissue could interfere with brown/beige adipocytes to contribute to the occurrence of obesity and relevant metabolic disorders.
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Affiliation(s)
- Qing Wen
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100190, China; Beijing Institute of Basic Medical Sciences, Beijing, 100850, China
| | - Xinni Xie
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100190, China.
| | - Qidong Ren
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100190, China
| | - Ruiying Pan
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100190, China
| | - Yuguo Du
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100190, China
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6
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Liu M, Lu F, Feng J. Therapeutic potential of adipose tissue derivatives in skin photoaging. Regen Med 2023; 18:869-883. [PMID: 37743749 DOI: 10.2217/rme-2023-0098] [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: 09/26/2023] Open
Abstract
Photoaging, the primary cause of exogenous skin aging and predominantly caused by ultraviolet radiation, is an essential type of skin aging characterized by chronic skin inflammation. Recent studies have shown that oxidative stress, inflammation, skin barrier homeostasis, collagen denaturation and pigmentation are the main contributors to it. As a composite tissue rich in matrix and vascular components, adipose tissue derivatives have been recently gaining attention as potential therapeutic agents for various human diseases with fat-processing technology upgrades. This review analyzes both 'minimally treated' and 'nonminimally treated' fat derivatives to give an overview of the preclinical and clinical relevance of adipose tissue derivatives for antiphotoaging application, highlighting their good clinical prospects as well as discussing their safety and potential risks.
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Affiliation(s)
- Meiqi Liu
- Department of Plastic & Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, PR China
| | - Feng Lu
- Department of Plastic & Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, PR China
| | - Jingwei Feng
- Department of Plastic & Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, Guangdong 510515, PR China
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7
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Knecht S, Eberl HC, Kreisz N, Ugwu UJ, Starikova T, Kuster B, Wilhelm S. An Introduction to Analytical Challenges, Approaches, and Applications in Mass Spectrometry-Based Secretomics. Mol Cell Proteomics 2023; 22:100636. [PMID: 37597723 PMCID: PMC10518356 DOI: 10.1016/j.mcpro.2023.100636] [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: 02/27/2023] [Revised: 07/06/2023] [Accepted: 08/16/2023] [Indexed: 08/21/2023] Open
Abstract
The active release of proteins into the extracellular space and the proteolytic cleavage of cell surface proteins are key processes that coordinate and fine-tune a multitude of physiological functions. The entirety of proteins that fulfill these extracellular tasks are referred to as the secretome and are of special interest for the investigation of biomarkers of disease states and physiological processes related to cell-cell communication. LC-MS-based proteomics approaches are a valuable tool for the comprehensive and unbiased characterization of this important subproteome. This review discusses procedures, opportunities, and limitations of mass spectrometry-based secretomics to better understand and navigate the complex analytical landscape for studying protein secretion in biomedical science.
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Affiliation(s)
- Sascha Knecht
- Omics Sciences, Genomic Sciences, GlaxoSmithKline, Heidelberg, Germany; Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany
| | - H Christian Eberl
- Omics Sciences, Genomic Sciences, GlaxoSmithKline, Heidelberg, Germany
| | - Norbert Kreisz
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany
| | - Ukamaka Juliet Ugwu
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany
| | - Tatiana Starikova
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany
| | - Bernhard Kuster
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany.
| | - Stephanie Wilhelm
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany.
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8
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Zheng Y, Yang N, Pang Y, Gong Y, Yang H, Ding W, Yang H. Mitochondria-associated regulation in adipose tissues and potential reagents for obesity intervention. Front Endocrinol (Lausanne) 2023; 14:1132342. [PMID: 37396170 PMCID: PMC10313115 DOI: 10.3389/fendo.2023.1132342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 05/24/2023] [Indexed: 07/04/2023] Open
Abstract
Introduction A systematic review analysis was used to assess the profile of mitochondrial involvement in adipose tissue regulation and potential reagents to intervene in obesity through the mitochondrial pathway. Methods Three databases, PubMed, Web of Science, and Embase, were searched online for literature associated with mitochondria, obesity, white adipose tissue, and brown adipose tissue published from the time of their creation until June 22, 2022, and each paper was screened. Results 568 papers were identified, of which 134 papers met the initial selection criteria, 76 were selected after full-text review, and 6 were identified after additional searches. A full-text review of the included 82 papers was performed. Conclusion Mitochondria play a key role in adipose tissue metabolism and energy homeostasis, including as potential therapeutic agents for obesity.
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Affiliation(s)
- Yali Zheng
- Department of Fundamental Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ni Yang
- Department of Fundamental Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yueshan Pang
- Department of Fundamental Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yanju Gong
- Department of Fundamental Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hong Yang
- Department of Fundamental Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Medical and Life Sciences/Reproductive & Women-Children Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Weijun Ding
- Department of Fundamental Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hongya Yang
- Department of Fundamental Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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9
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Pathophysiology of obesity and its associated diseases. Acta Pharm Sin B 2023. [DOI: 10.1016/j.apsb.2023.01.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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10
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Davis S, Hocking S, Watt MJ, Gunton JE. Metabolic effects of lipectomy and of adipose tissue transplantation. Obesity (Silver Spring) 2023; 31:7-19. [PMID: 36479639 PMCID: PMC10946570 DOI: 10.1002/oby.23601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 08/10/2022] [Accepted: 08/15/2022] [Indexed: 12/12/2022]
Abstract
OBJECTIVE The goal of this study was to review the metabolic effects of fat transplantation. METHODS Fat (adipose tissue [AT]) transplantation has been performed extensively for many years in the cosmetic reconstruction industry. However, not all fats are equal. White, brown, and beige AT differ in energy storage and use. Brown and beige AT consume glucose and lipids for thermogenesis and, theoretically, may provide greater metabolic benefit in transplantation. Here, the authors review the metabolic effects of AT transplantation. RESULTS Removal of subcutaneous human AT does not have beneficial metabolic effects. Most studies find no benefit from visceral AT transplantation and some studies report harmful effects. In contrast, transplantation of inguinal or subcutaneous AT in mice has positive effects. Brown AT transplant studies have variable results depending on the model but most show benefit. CONCLUSIONS Many technical improvements have optimized fat grafting and transplantation in cosmetic surgery. Transplantation of subcutaneous AT has the potential for significant metabolic benefits, although there are few studies in humans or using human AT. Brown AT transplantation is beneficial but not readily feasible in humans thus ex vivo "beiging" may be a useful strategy. AT transplantation may provide clinical benefits in metabolic disorders, especially in the setting of lipodystrophy.
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Affiliation(s)
- Sarah Davis
- Centre for Diabetes, Obesity and Endocrinology ResearchThe Westmead Institute for Medical Research, The University of SydneySydneyNew South WalesAustralia
- Faculty of Medicine and HealthThe University of SydneySydneyNew South WalesAustralia
| | - Samantha Hocking
- Faculty of Medicine and HealthThe University of SydneySydneyNew South WalesAustralia
- Department of EndocrinologyRoyal Prince Alfred HospitalSydneyNew South WalesAustralia
| | - Matthew J. Watt
- Department of Anatomy and PhysiologyUniversity of MelbourneMelbourneVictoriaAustralia
| | - Jenny E. Gunton
- Centre for Diabetes, Obesity and Endocrinology ResearchThe Westmead Institute for Medical Research, The University of SydneySydneyNew South WalesAustralia
- Faculty of Medicine and HealthThe University of SydneySydneyNew South WalesAustralia
- Department of Diabetes and EndocrinologyWestmead HospitalSydneyNew South WalesAustralia
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11
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Choi CHJ, Barr W, Zaman S, Model C, Park A, Koenen M, Lin Z, Szwed SK, Marchildon F, Crane A, Carroll TS, Molina H, Cohen P. LRG1 is an adipokine that promotes insulin sensitivity and suppresses inflammation. eLife 2022; 11:e81559. [PMID: 36346018 PMCID: PMC9674348 DOI: 10.7554/elife.81559] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 11/06/2022] [Indexed: 11/11/2022] Open
Abstract
While dysregulation of adipocyte endocrine function plays a central role in obesity and its complications, the vast majority of adipokines remain uncharacterized. We employed bio-orthogonal non-canonical amino acid tagging (BONCAT) and mass spectrometry to comprehensively characterize the secretome of murine visceral and subcutaneous white and interscapular brown adip ocytes. Over 600 proteins were identified, the majority of which showed cell type-specific enrichment. We here describe a metabolic role for leucine-rich α-2 glycoprotein 1 (LRG1) as an obesity-regulated adipokine secreted by mature adipocytes. LRG1 overexpression significantly improved glucose homeostasis in diet-induced and genetically obese mice. This was associated with markedly reduced white adipose tissue macrophage accumulation and systemic inflammation. Mechanistically, we found LRG1 binds cytochrome c in circulation to dampen its pro-inflammatory effect. These data support a new role for LRG1 as an insulin sensitizer with therapeutic potential given its immunomodulatory function at the nexus of obesity, inflammation, and associated pathology.
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Affiliation(s)
- Chan Hee J Choi
- Weill Cornell/Rockefeller/Sloan Kettering Tri-Institutional MD-PhD ProgramNew YorkUnited States
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - William Barr
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Samir Zaman
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Corey Model
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Annsea Park
- Department of Immunobiology, Yale UniversityNew HavenUnited States
| | - Mascha Koenen
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Zeran Lin
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Sarah K Szwed
- Weill Cornell/Rockefeller/Sloan Kettering Tri-Institutional MD-PhD ProgramNew YorkUnited States
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Francois Marchildon
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Audrey Crane
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Thomas S Carroll
- Bioinformatics Resouce Center, Rockefeller UniversityNew YorkUnited States
| | - Henrik Molina
- Proteomics Resource Center, Rockefeller UniversityNew YorkUnited States
| | - Paul Cohen
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
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12
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The Complex Roles of Adipokines in Polycystic Ovary Syndrome and Endometriosis. Biomedicines 2022; 10:biomedicines10102503. [PMID: 36289764 PMCID: PMC9598769 DOI: 10.3390/biomedicines10102503] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/26/2022] [Accepted: 09/27/2022] [Indexed: 11/30/2022] Open
Abstract
Polycystic ovary syndrome (PCOS) and endometriosis are frequent diseases of the female reproductive tract causing high morbidity as they can significantly affect fertility and quality of life. Adipokines are pleiotropic signaling molecules secreted by white or brown adipose tissues with a central role in energy metabolism. More recently, their involvement in PCOS and endometriosis has been demonstrated. In this review article, we provide an update on the role of adipokines in both diseases and summarize previous findings. We also address the results of multi-omics approaches in adipokine research to examine the role of single nucleotide polymorphisms (SNPs) in genes coding for adipokines and their receptors, the secretome of adipocytes and to identify epigenetic alterations of adipokine genes that might be conferred from mother to child. Finally, we address novel data on the role of brown adipose tissue (BAT), which seems to have notable effects on PCOS. For this review, original research articles on adipokine actions in PCOS and endometriosis are considered, which are listed in the PubMed database.
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Yin X, Chen Y, Ruze R, Xu R, Song J, Wang C, Xu Q. The evolving view of thermogenic fat and its implications in cancer and metabolic diseases. Signal Transduct Target Ther 2022; 7:324. [PMID: 36114195 PMCID: PMC9481605 DOI: 10.1038/s41392-022-01178-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 08/30/2022] [Accepted: 09/05/2022] [Indexed: 02/07/2023] Open
Abstract
AbstractThe incidence of metabolism-related diseases like obesity and type 2 diabetes mellitus has reached pandemic levels worldwide and increased gradually. Most of them are listed on the table of high-risk factors for malignancy, and metabolic disorders systematically or locally contribute to cancer progression and poor prognosis of patients. Importantly, adipose tissue is fundamental to the occurrence and development of these metabolic disorders. White adipose tissue stores excessive energy, while thermogenic fat including brown and beige adipose tissue dissipates energy to generate heat. In addition to thermogenesis, beige and brown adipocytes also function as dynamic secretory cells and a metabolic sink of nutrients, like glucose, fatty acids, and amino acids. Accordingly, strategies that activate and expand thermogenic adipose tissue offer therapeutic promise to combat overweight, diabetes, and other metabolic disorders through increasing energy expenditure and enhancing glucose tolerance. With a better understanding of its origins and biological functions and the advances in imaging techniques detecting thermogenesis, the roles of thermogenic adipose tissue in tumors have been revealed gradually. On the one hand, enhanced browning of subcutaneous fatty tissue results in weight loss and cancer-associated cachexia. On the other hand, locally activated thermogenic adipocytes in the tumor microenvironment accelerate cancer progression by offering fuel sources and is likely to develop resistance to chemotherapy. Here, we enumerate current knowledge about the significant advances made in the origin and physiological functions of thermogenic fat. In addition, we discuss the multiple roles of thermogenic adipocytes in different tumors. Ultimately, we summarize imaging technologies for identifying thermogenic adipose tissue and pharmacologic agents via modulating thermogenesis in preclinical experiments and clinical trials.
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14
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Brown Adipose Tissue Sheds Extracellular Vesicles That Carry Potential Biomarkers of Metabolic and Thermogenesis Activity Which Are Affected by High Fat Diet Intervention. Int J Mol Sci 2022; 23:ijms231810826. [PMID: 36142750 PMCID: PMC9504916 DOI: 10.3390/ijms231810826] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/09/2022] [Accepted: 09/13/2022] [Indexed: 11/17/2022] Open
Abstract
Brown adipose tissue (BAT) is a key target for the development of new therapies against obesity due to its role in promoting energy expenditure; BAT secretory capacity is emerging as an important contributor to systemic effects, in which BAT extracellular vesicles (EVs) (i.e., batosomes) might be protagonists. EVs have emerged as a relevant cellular communication system and carriers of disease biomarkers. Therefore, characterization of the protein cargo of batosomes might reveal their potential as biomarkers of the metabolic activity of BAT. In this study, we are the first to isolate batosomes from lean and obese Sprague–Dawley rats, and to establish reference proteome maps. An LC-SWATH/MS analysis was also performed for comparisons with EVs secreted by white adipose tissue (subcutaneous and visceral WAT), and it showed that 60% of proteins were exclusive to BAT EVs. Precisely, batosomes of lean animals contain proteins associated with mitochondria, lipid metabolism, the electron transport chain, and the beta-oxidation pathway, and their protein cargo profile is dramatically affected by high fat diet (HFD) intervention. Thus, in obesity, batosomes are enriched with proteins involved in signal transduction, cell communication, the immune response, inflammation, thermogenesis, and potential obesity biomarkers including UCP1, Glut1, MIF, and ceruloplasmin. In conclusion, the protein cargo of BAT EVs is affected by the metabolic status and contains potential biomarkers of thermogenesis activity.
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Reiterer M, Gilani A, Lo JC. Pancreatic Islets as a Target of Adipokines. Compr Physiol 2022; 12:4039-4065. [PMID: 35950650 DOI: 10.1002/cphy.c210044] [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]
Abstract
Rising rates of obesity are intricately tied to the type 2 diabetes epidemic. The adipose tissues can play a central role in protection against or triggering metabolic diseases through the secretion of adipokines. Many adipokines may improve peripheral insulin sensitivity through a variety of mechanisms, thereby indirectly reducing the strain on beta cells and thus improving their viability and functionality. Such effects will not be the focus of this article. Rather, we will focus on adipocyte-secreted molecules that have a direct effect on pancreatic islets. By their nature, adipokines represent potential druggable targets that can reach the islets and improve beta-cell function or preserve beta cells in the face of metabolic stress. © 2022 American Physiological Society. Compr Physiol 12:1-27, 2022.
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Affiliation(s)
- Moritz Reiterer
- Division of Cardiology, Department of Medicine, Weill Center for Metabolic Health, Cardiovascular Research Institute, Weill Cornell Medicine, New York, New York, USA
| | - Ankit Gilani
- Division of Cardiology, Department of Medicine, Weill Center for Metabolic Health, Cardiovascular Research Institute, Weill Cornell Medicine, New York, New York, USA
| | - James C Lo
- Division of Cardiology, Department of Medicine, Weill Center for Metabolic Health, Cardiovascular Research Institute, Weill Cornell Medicine, New York, New York, USA
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16
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Targeting of the Peritumoral Adipose Tissue Microenvironment as an Innovative Antitumor Therapeutic Strategy. Biomolecules 2022; 12:biom12050702. [PMID: 35625629 PMCID: PMC9138344 DOI: 10.3390/biom12050702] [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: 04/08/2022] [Revised: 05/09/2022] [Accepted: 05/11/2022] [Indexed: 12/03/2022] Open
Abstract
The tumor microenvironment (TME) plays a key role in promoting and sustaining cancer growth. Adipose tissue (AT), due to its anatomical distribution, is a prevalent component of TME, and contributes to cancer development and progression. Cancer-associated adipocytes (CAAs), reprogrammed by cancer stem cells (CSCs), drive cancer progression by releasing metabolites and inflammatory adipokines. In this review, we highlight the mechanisms underlying the bidirectional crosstalk among CAAs, CSCs, and stromal cells. Moreover, we focus on the recent advances in the therapeutic targeting of adipocyte-released factors as an innovative strategy to counteract cancer progression.
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Ma L, Zhao Z, Guo X, Li J, Xu L, Mei W, Dong G, Zhong Z, Yang Z. Tanshinone IIA and its derivative activate thermogenesis in adipocytes and induce "beiging" of white adipose tissue. Mol Cell Endocrinol 2022; 544:111557. [PMID: 35032625 DOI: 10.1016/j.mce.2022.111557] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 12/08/2021] [Accepted: 01/07/2022] [Indexed: 02/05/2023]
Abstract
Tanshinone IIA (TAN2A) is a major active ingredient of Salvia miltiorrhiza used in traditional Chinese medicine and tanshinone 20 (TAN20) is a derivative of TAN2A. In this study, we examined the effects of TAN2A and TAN20 on adipogenesis, lipid metabolism, and thermogenesis. Our experiments showed that both TAN2A and TAN20 increased mitochondria content in adipose tissue, enhanced energy expenditure, reduced body weight, and improved insulin sensitivity and metabolic homeostasis in obese and diabetic mouse models. We demonstrated that TAN20 can facilitate the transformation from white to beige adipose tissue, as well as activate brown adipose tissue. In uncoupling protein 1 (UCP1) knockout mouse model, the effects of TAN2A and TAN20 on body weight and glucose tolerance were not observed, suggesting that such effects were UCP1 dependent. Furthermore, we found that TAN2A and TAN20 increased the expression of UCP1 and other thermogenic genes in adipocytes through AMPK-PGC-1α signaling pathway. Our findings indicate that TAN2A and its derivative TAN20 are potential interesting energy expenditure regulators and may be implicated in treatment of obesity and other metabolic disorders.
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Affiliation(s)
- Lei Ma
- Department of Biochemistry, Molecular Cancer Research Center, School of Medicine, Sun Yat-sen University, Shenzhen, 518107, Guangdong Province, China.
| | - Zewei Zhao
- Department of Biochemistry, Molecular Cancer Research Center, School of Medicine, Sun Yat-sen University, Shenzhen, 518107, Guangdong Province, China.
| | - Xuemin Guo
- Guangdong Provincial Key Laboratory of Precision Medicine and Clinical Translation Research of Hakka Population, Meizhou, 514000, Guangdong Province, China; Meizhou People's Hospital, Meizhou, 514000, Guangdong Province, China.
| | - Jin Li
- The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, Guangdong Province, China.
| | - Lin Xu
- School of Public Health, Sun Yat-sen University, Guangzhou, 510080, Guangdong Province, China.
| | - Wenjie Mei
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510080, Guangdong Province, China.
| | - Geng Dong
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, 515041, China; Medical Informatics Research Center, Shantou University Medical College, Shantou, 515041, China.
| | - Zhixiong Zhong
- Guangdong Provincial Key Laboratory of Precision Medicine and Clinical Translation Research of Hakka Population, Meizhou, 514000, Guangdong Province, China; Meizhou People's Hospital, Meizhou, 514000, Guangdong Province, China.
| | - Zhonghan Yang
- Department of Biochemistry, Molecular Cancer Research Center, School of Medicine, Sun Yat-sen University, Shenzhen, 518107, Guangdong Province, China.
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Secretome of Adipose Tissue as the Key to Understanding the Endocrine Function of Adipose Tissue. Int J Mol Sci 2022; 23:ijms23042309. [PMID: 35216423 PMCID: PMC8878787 DOI: 10.3390/ijms23042309] [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] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 02/13/2022] [Accepted: 02/17/2022] [Indexed: 02/06/2023] Open
Abstract
The prevalence of obesity has reached pandemic levels and is becoming a serious health problem in developed and developing countries. Obesity is associated with an increased prevalence of comorbidities that include type II diabetes, cardiovascular diseases and some cancers. The recognition of adipose tissue as an endocrine organ capable of secreting adipokines that influence whole-body energy homeostasis was a breakthrough leading to a better molecular understanding of obesity. Of the adipokines known to be involved in the regulation of energy metabolism, very few are considered central regulators of insulin sensitivity, metabolism and energy homeostasis, and the discovery and characterization of new adipocyte-derived factors are still ongoing. Proteomics techniques, such as liquid chromatography-mass spectrometry or gas chromatography-mass spectrometry, have proven to be useful tools for analyzing the secretory function of adipose tissue (the secretome), providing insights into molecular events that influence body weight. Apart from the identification of novel proteins, the considerable advantage of this approach is the ability to detect post-translational modifications that cannot be predicted in genomic studies. In this review, we summarize recent efforts to identify novel bioactive secretory factors through proteomics.
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Abstract
PURPOSE OF REVIEW Adipose tissue is closely associated with systemic sclerosis (SSc)-pathology, both anatomically and functionally. This review focuses on local effects of adipocytes in the context of adipose to mesenchymal transdifferentiation (AMT), effects of the adipose stromal vascular fraction on SSc pathogenesis and systemic effects of adipose tissue secretome. RECENT FINDINGS Novel populations of fibroblasts evolving from adipose tissue were identified- for example COL11+ cancer-associated fibroblasts differentiated from adipose-derived stromal cells. Lipofibroblasts in human lungs were described using nonconventional markers that allow more effective population identification. These findings could make an important contribution to further clarification of adipocyte involvement in SSc.Recent studies confirmed that lipolysis contributes to fibrogenesis through AMT differentiation and release of fatty acids (FA). Unbalanced metabolism of FA has been reported in several studies in SSc. Other adipose tissue secretome molecules (e.g. lysophosphatidic acid), novel adipokines and extracellular vesicles from adipose mesenchymal stem cells make important contributions to the pro-/antifibrotic balance. SUMMARY There is a growing evidence of important contribution of adipose tissue and its secretome to SSc pathogenesis. Novel techniques such as single-cell RNA sequencing (scRNAseq) and metabolomics, albeit challenging to use in adipose tissue, will provide further evidence.
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20
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Shestopalov AV, Mishra A, Gaponov AM, Rumyantsev SA. The Effect of TLR Agonists and Myokines on Secretory Activity of Adipogenically Differentiated MSC Cultures. Bull Exp Biol Med 2021; 171:722-726. [PMID: 34705171 DOI: 10.1007/s10517-021-05303-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Indexed: 11/29/2022]
Abstract
We studied the effect of bacterial pathogen-associated molecular patterns and myokines on the secretion of adipokines by mesenchymal stem cells (MSC) and products of their adipogenic differentiation. The secretion of adiponectin, adipsin, leptin, and insulin by adipogenically differentiated cell cultures was quantitatively determined using multiplex ELISA. MSC obtained from the stromal vascular fraction of human subcutaneous adipose tissue were shown to secrete a known adipokine adipsin. The ability of white adipocytes to secrete significant amounts of insulin (in vitro) has been shown for the first time. Control cultures of white adipocytes secreted much higher levels of adiponectin, leptin, and insulin when compared to other adipocytes cultures. On the other hand, beige and brown adipocyte cultures secreted more adipsin than white adipocyte cultures. The influence of myokine β-aminoisobutyric acid on the secretion of adipsin in MSC, white, beige, and brown adipocytes was also studied.
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Affiliation(s)
- A V Shestopalov
- N. I. Pirogov Russian National Research Medical University, Ministry of the Health of the Russian Federation, Moscow, Russia.,Center of Digital and Translational Biomedicine, LLC "Center for Molecular Health", Moscow, Russia
| | - A Mishra
- Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, Moscow region, Russia.
| | - A M Gaponov
- Center of Digital and Translational Biomedicine, LLC "Center for Molecular Health", Moscow, Russia
| | - S A Rumyantsev
- N. I. Pirogov Russian National Research Medical University, Ministry of the Health of the Russian Federation, Moscow, Russia.,Center of Digital and Translational Biomedicine, LLC "Center for Molecular Health", Moscow, Russia
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21
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Physical Activity Attenuates the Obesity-Induced Dysregulated Expression of Brown Adipokines in Murine Interscapular Brown Adipose Tissue. Int J Mol Sci 2021; 22:ijms221910391. [PMID: 34638731 PMCID: PMC8508858 DOI: 10.3390/ijms221910391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 09/22/2021] [Accepted: 09/22/2021] [Indexed: 11/17/2022] Open
Abstract
In recent years, brown adipose tissue (BAT), which has a high heat-producing capacity, has been confirmed to exist even in adults, and it has become a focal point for the prevention and the improvement of obesity and lifestyle-related diseases. However, the influences of obesity and physical activity (PA) on the fluid factors secreted from BAT (brown adipokines) are not well understood. In this study, therefore, we focused on brown adipokines and investigated the effects of obesity and PA. The abnormal expressions of gene fluid factors such as galectin-3 (Lgals3) and Lgals3 binding protein (Lgals3bp), whose proteins are secreted from HB2 brown adipocytes, were observed in the interscapular BAT of obese mice fed a high-fat diet for 4 months. PA attenuated the abnormalities in the expressions of these genes. Furthermore, although the gene expressions of factors related to brown adipocyte differentiation such as peroxisome proliferator-activated receptor gamma coactivator 1-α were also down-regulated in the BAT of the obese mice, PA suppressed the down-regulation of these factors. On the other hand, lipogenesis was increased more in HB2 cells overexpressing Lgals3 compared with that in control cells, and the overexpression of Lgals3bp decreased the mitochondrial mass. These results indicate that PA attenuates the obesity-induced dysregulated expression of brown adipokines and suggests that Lgals3 and Lgals3bp are involved in brown adipocyte differentiation.
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22
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Mao Y, Zheng J, Feng S, Tian R. [Comparison of the performance of secretome analysis based on metabolic labeling by three unnatural sugars]. Se Pu 2021; 39:1086-1093. [PMID: 34505430 PMCID: PMC9404127 DOI: 10.3724/sp.j.1123.2021.04017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
分泌蛋白质是调控细胞间信号转导的重要生物大分子。由于分泌蛋白的丰度相比于胞内蛋白以及培养基添加剂更低,因此分泌蛋白的高通量鉴定是目前蛋白质组学界研究的热点和难点。目前,基于生物质谱的分泌蛋白质组学分析一般均需要从无血清的条件培养基中获得分泌蛋白质,再对其进行富集和分析。该流程操作步骤繁琐,易造成分泌蛋白质的损失和降解。本工作采用基于生物正交化学生物学技术实现对分泌蛋白质的高选择性标记和高效富集。通过结合点击化学技术,综合评估了分泌蛋白质分析中用于代谢标记的不同糖类似物。采用3种最常用的商品化糖类似物,N-叠氮乙酰甘露糖胺(ManNAz)、N-叠氮乙酰半乳糖胺(GalNAz)和N-叠氮乙酰葡萄糖胺(GlcNAz)分别对HeLa细胞进行代谢标记,之后通过炔基生物素探针对条件培养基中的分泌蛋白进行富集,结合质谱分析来对比3种糖类似物对分泌蛋白的标记效率。最后通过无标定量蛋白质组学分析,系统评估了3种糖类似物用于分泌蛋白质组分析的性能。结果表明,基于ManNAz的分泌蛋白标记方法鉴定到了282个分泌蛋白、224个细胞质膜蛋白以及846个N-糖基化位点;对分泌蛋白的富集效率分别较GalNAz和GlcNAz提高了130%和67.2%;对细胞质膜蛋白的富集效率较GalNAz和GlcNAz分别提高了273.3%和148.7%,体现出了明显的优势。本研究的实验结果为分泌蛋白高选择性富集和系统分析提供了有益的对比分析和新技术策略。
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Affiliation(s)
- Yuan Mao
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Jiangnan Zheng
- Department of Chemistry, School of Science, Southern University of Science and Technology, Shenzhen 518055, China
| | - Shun Feng
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Ruijun Tian
- Department of Chemistry, School of Science, Southern University of Science and Technology, Shenzhen 518055, China
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Di W, Zhang W, Zhu B, Li X, Tang Q, Zhou Y. Colorectal cancer prompted adipose tissue browning and cancer cachexia through transferring exosomal miR-146b-5p. J Cell Physiol 2021; 236:5399-5410. [PMID: 33368224 DOI: 10.1002/jcp.30245] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 10/23/2020] [Accepted: 12/15/2020] [Indexed: 12/28/2022]
Abstract
Cancer cachexia is a complex syndrome that is associated with thermogenic gene regulation. Currently, although some studies have reported the link between exosomes and cancer cachexia in a few types of cancer, the underlying mechanisms remain poorly understood. In this study, we tried to identify whether exosomes derived from colorectal cancer could affect lipolysis in vitro and in vivo. Here, we collected the tissue samples from 48 patients with colorectal cancer (47.91% females and mean age 55 ± 8.20) and 48 healthy people at the First Affiliated Hospital of Nanjing Medical University to detect the miR-146-5p expression. Here, we found that cancer cells released exosomes induced white adipose tissues (WATs) browning and accelerated lipolysis. We also demonstrated that miR-146b-5p was enriched in cancer-related exosomes. Overexpression miR-146b-5p resulted in increased WAT browning, decreased oxygen consumption, and fat mass loss (14.57%). The further study identified that miR-146b-5p could directly repress the downstream gene homeodomain-containing gene C10 (HOXC10), thereby regulating lipolysis. Therefore, our results indicated that cancer cells derived from exosomal miR-146b-5p played an essential role in WAT browning. Inhibition of cancer-related exosomes might be necessary for improving the cachexia condition.
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Affiliation(s)
- Wenjuan Di
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, PR China
| | - Wenling Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, PR China
| | - Bei Zhu
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, PR China
| | - Xiaolin Li
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, PR China
| | - Qiyun Tang
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, PR China
| | - Yichan Zhou
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, PR China
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Gui C, Parson J, Meyer GA. Harnessing adipose stem cell diversity in regenerative medicine. APL Bioeng 2021; 5:021501. [PMID: 33834153 PMCID: PMC8018797 DOI: 10.1063/5.0038101] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 02/26/2021] [Indexed: 12/20/2022] Open
Abstract
Since the first isolation of mesenchymal stem cells from lipoaspirate in the early 2000s, adipose tissue has been a darling of regenerative medicine. It is abundant, easy to access, and contains high concentrations of stem cells (ADSCs) exhibiting multipotency, proregenerative paracrine signaling, and immunomodulation-a winning combination for stem cell-based therapeutics. While basic science, preclinical and clinical findings back up the translational potential of ADSCs, the vast majority of these used cells from a single location-subcutaneous abdominal fat. New data highlight incredible diversity in the adipose morphology and function in different anatomical locations or depots. Even in isolation, ADSCs retain a memory of this diversity, suggesting that the optimal adipose source material for ADSC isolation may be application specific. This review discusses our current understanding of the heterogeneity in the adipose organ, how that heterogeneity translates into depot-specific ADSC characteristics, and how atypical ADSC populations might be harnessed for regenerative medicine applications. While our understanding of the breadth of ADSC heterogeneity is still in its infancy, clear trends are emerging for application-specific sourcing to improve regenerative outcomes.
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Affiliation(s)
- Chang Gui
- Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, Missouri 63110, USA
| | - Jacob Parson
- Program in Physical Therapy, Washington University in St. Louis, St. Louis, Missouri 63110, USA
| | - Gretchen A. Meyer
- Author to whom correspondence should be addressed:. Tel.: (314) 286-1425. Fax: (314) 747-0674
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25
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Cohen P, Kajimura S. The cellular and functional complexity of thermogenic fat. Nat Rev Mol Cell Biol 2021; 22:393-409. [PMID: 33758402 PMCID: PMC8159882 DOI: 10.1038/s41580-021-00350-0] [Citation(s) in RCA: 208] [Impact Index Per Article: 69.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/08/2021] [Indexed: 02/01/2023]
Abstract
Brown and beige adipocytes are mitochondria-enriched cells capable of dissipating energy in the form of heat. These thermogenic fat cells were originally considered to function solely in heat generation through the action of the mitochondrial protein uncoupling protein 1 (UCP1). In recent years, significant advances have been made in our understanding of the ontogeny, bioenergetics and physiological functions of thermogenic fat. Distinct subtypes of thermogenic adipocytes have been identified with unique developmental origins, which have been increasingly dissected in cellular and molecular detail. Moreover, several UCP1-independent thermogenic mechanisms have been described, expanding the role of these cells in energy homeostasis. Recent studies have also delineated roles for these cells beyond the regulation of thermogenesis, including as dynamic secretory cells and as a metabolic sink. This Review presents our current understanding of thermogenic adipocytes with an emphasis on their development, biological functions and roles in systemic physiology.
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Affiliation(s)
- Paul Cohen
- Laboratory of Molecular Metabolism, The Rockefeller University, New York, NY, USA.
| | - Shingo Kajimura
- Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
- Department of Cell and Tissue Biology, UCSF Diabetes Center, University of California, San Francisco, San Francisco, CA, USA.
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26
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Brandão BB, Poojari A, Rabiee A. Thermogenic Fat: Development, Physiological Function, and Therapeutic Potential. Int J Mol Sci 2021; 22:5906. [PMID: 34072788 PMCID: PMC8198523 DOI: 10.3390/ijms22115906] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 04/30/2021] [Accepted: 05/27/2021] [Indexed: 12/11/2022] Open
Abstract
The concerning worldwide increase of obesity and chronic metabolic diseases, such as T2D, dyslipidemia, and cardiovascular disease, motivates further investigations into preventive and alternative therapeutic approaches. Over the past decade, there has been growing evidence that the formation and activation of thermogenic adipocytes (brown and beige) may serve as therapy to treat obesity and its associated diseases owing to its capacity to increase energy expenditure and to modulate circulating lipids and glucose levels. Thus, understanding the molecular mechanism of brown and beige adipocytes formation and activation will facilitate the development of strategies to combat metabolic disorders. Here, we provide a comprehensive overview of pathways and players involved in the development of brown and beige fat, as well as the role of thermogenic adipocytes in energy homeostasis and metabolism. Furthermore, we discuss the alterations in brown and beige adipose tissue function during obesity and explore the therapeutic potential of thermogenic activation to treat metabolic syndrome.
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Affiliation(s)
- Bruna B. Brandão
- Section of Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA 02215, USA;
| | - Ankita Poojari
- Department of Physiology & Pharmacology, Thomas J. Long School of Pharmacy & Health Sciences, University of the Pacific, Stockton, CA 95211, USA;
| | - Atefeh Rabiee
- Department of Physiology & Pharmacology, Thomas J. Long School of Pharmacy & Health Sciences, University of the Pacific, Stockton, CA 95211, USA;
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27
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Zheng J, Mao Y, Feng S, Tian R. Combining Metabolic Alkyne Labeling and Click Chemistry for Secretome Analysis of
Serum‐Containing
Conditioned Medium
†. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202000752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jiangnan Zheng
- Department of Chemistry, School of Science, Southern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Yuan Mao
- School of Life Science and Engineering, Southwest Jiaotong University Chengdu Sichuan 610031 China
| | - Shun Feng
- School of Life Science and Engineering, Southwest Jiaotong University Chengdu Sichuan 610031 China
| | - Ruijun Tian
- Department of Chemistry, School of Science, Southern University of Science and Technology Shenzhen Guangdong 518055 China
- Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology 1088 Xueyuan Road Shenzhen Guangdong 518055 China
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28
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Álvarez-Artime A, García-Soler B, Sainz RM, Mayo JC. Emerging Roles for Browning of White Adipose Tissue in Prostate Cancer Malignant Behaviour. Int J Mol Sci 2021; 22:5560. [PMID: 34074045 PMCID: PMC8197327 DOI: 10.3390/ijms22115560] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 05/15/2021] [Accepted: 05/17/2021] [Indexed: 12/12/2022] Open
Abstract
In addition to its well-known role as an energy repository, adipose tissue is one of the largest endocrine organs in the organism due to its ability to synthesize and release different bioactive molecules. Two main types of adipose tissue have been described, namely white adipose tissue (WAT) with a classical energy storage function, and brown adipose tissue (BAT) with thermogenic activity. The prostate, an exocrine gland present in the reproductive system of most mammals, is surrounded by periprostatic adipose tissue (PPAT) that contributes to maintaining glandular homeostasis in conjunction with other cell types of the microenvironment. In pathological conditions such as the development and progression of prostate cancer, adipose tissue plays a key role through paracrine and endocrine signaling. In this context, the role of WAT has been thoroughly studied. However, the influence of BAT on prostate tumor development and progression is unclear and has received much less attention. This review tries to bring an update on the role of different factors released by WAT which may participate in the initiation, progression and metastasis, as well as to compile the available information on BAT to discuss and open a new field of knowledge about the possible protective role of BAT in prostate cancer.
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Affiliation(s)
- Alejandro Álvarez-Artime
- Departamento de Morfología y Biología Celular, Redox Biology Unit, University of Oviedo, Facultad de Medicina, Julián Clavería 6, 33006 Oviedo, Spain; (A.Á.-A.); (B.G.-S.); (R.M.S.)
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Santiago Gascón Building, Fernando Bongera s/n, 33006 Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Avda. Hospital Universitario s/n, 33011 Oviedo, Spain
| | - Belén García-Soler
- Departamento de Morfología y Biología Celular, Redox Biology Unit, University of Oviedo, Facultad de Medicina, Julián Clavería 6, 33006 Oviedo, Spain; (A.Á.-A.); (B.G.-S.); (R.M.S.)
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Santiago Gascón Building, Fernando Bongera s/n, 33006 Oviedo, Spain
| | - Rosa María Sainz
- Departamento de Morfología y Biología Celular, Redox Biology Unit, University of Oviedo, Facultad de Medicina, Julián Clavería 6, 33006 Oviedo, Spain; (A.Á.-A.); (B.G.-S.); (R.M.S.)
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Santiago Gascón Building, Fernando Bongera s/n, 33006 Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Avda. Hospital Universitario s/n, 33011 Oviedo, Spain
| | - Juan Carlos Mayo
- Departamento de Morfología y Biología Celular, Redox Biology Unit, University of Oviedo, Facultad de Medicina, Julián Clavería 6, 33006 Oviedo, Spain; (A.Á.-A.); (B.G.-S.); (R.M.S.)
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Santiago Gascón Building, Fernando Bongera s/n, 33006 Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Avda. Hospital Universitario s/n, 33011 Oviedo, Spain
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29
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Shinde AB, Song A, Wang QA. Brown Adipose Tissue Heterogeneity, Energy Metabolism, and Beyond. Front Endocrinol (Lausanne) 2021; 12:651763. [PMID: 33953697 PMCID: PMC8092391 DOI: 10.3389/fendo.2021.651763] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 03/18/2021] [Indexed: 01/19/2023] Open
Abstract
Brown adipocyte in brown adipose tissue (BAT) specializes in expending energy through non-shivering thermogenesis, a process that produces heat either by uncoupling protein 1 (UCP1) dependent uncoupling of mitochondrial respiration or by UCP1 independent mechanisms. Apart from this, there is ample evidence suggesting that BAT has an endocrine function. Studies in rodents point toward its vital roles in glucose and lipid homeostasis, making it an important therapeutic target for treating metabolic disorders related to morbidities such as obesity and type 2 diabetes. The rediscovery of thermogenically active BAT depots in humans by several independent research groups in the last decade has revitalized interest in BAT as an even more promising therapeutic intervention. Over the last few years, there has been overwhelming interest in understanding brown adipocyte's developmental lineages and how brown adipocyte uniquely utilizes energy beyond UCP1 mediated uncoupling respiration. These new discoveries would be leveraged for designing novel therapeutic interventions for metabolic disorders.
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Affiliation(s)
- Abhijit Babaji Shinde
- Department of Molecular & Cellular Endocrinology, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute, City of Hope Medical Center, Duarte, CA, United States
| | - Anying Song
- Department of Molecular & Cellular Endocrinology, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute, City of Hope Medical Center, Duarte, CA, United States
| | - Qiong A. Wang
- Department of Molecular & Cellular Endocrinology, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute, City of Hope Medical Center, Duarte, CA, United States
- Comprehensive Cancer Center, Beckman Research Institute, City of Hope Medical Center, Duarte, CA, United States
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30
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Chen HJ, Meng T, Gao PJ, Ruan CC. The Role of Brown Adipose Tissue Dysfunction in the Development of Cardiovascular Disease. Front Endocrinol (Lausanne) 2021; 12:652246. [PMID: 34113316 PMCID: PMC8185286 DOI: 10.3389/fendo.2021.652246] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 05/03/2021] [Indexed: 12/18/2022] Open
Abstract
Brown adipose tissue (BAT), consisted of brown adipocytes and stromal vascular fraction, which includes endothelial cells, lymphocytes, fibroblasts and stem cells, plays a vital role in regulating cardiovascular health and diseases. As a thermogenic organ, BAT can influence body through strengthening energy expenditure by promoting glucose and lipid metabolism. In addition, BAT is also an endocrine organ which is able to secret adipokines in an autocrine and/or paracrine fashion. BAT plays a protective role in cardiovascular system through attenuating cardiac remodeling and suppressing inflammatory response. In this review, we summarize the advances from the discovery of BAT to the present and provide an overview on the role of BAT dysfunction in cardiovascular diseases.
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Affiliation(s)
- Hong-Jin Chen
- Department of Cardiovascular Medicine, State Key Laboratory of Medical Genomics, Shanghai Key Laboratory of Hypertension, Department of Hypertension, Ruijin Hospital, Shanghai, China
- Shanghai Institute of Hypertension, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ting Meng
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Ping-Jin Gao
- Department of Cardiovascular Medicine, State Key Laboratory of Medical Genomics, Shanghai Key Laboratory of Hypertension, Department of Hypertension, Ruijin Hospital, Shanghai, China
- Shanghai Institute of Hypertension, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Cheng-Chao Ruan
- Department of Cardiovascular Medicine, State Key Laboratory of Medical Genomics, Shanghai Key Laboratory of Hypertension, Department of Hypertension, Ruijin Hospital, Shanghai, China
- Shanghai Institute of Hypertension, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- *Correspondence: Cheng-Chao Ruan,
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31
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Quan M, Kuang S. Exosomal Secretion of Adipose Tissue during Various Physiological States. Pharm Res 2020; 37:221. [PMID: 33063193 PMCID: PMC7953939 DOI: 10.1007/s11095-020-02941-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 09/28/2020] [Indexed: 02/06/2023]
Abstract
Exosomes are secreted extracellular vesicles containing a wide array of biologically active components. Recent studies have demonstrated that exosomes serve as an important vehicle for extracellular communication and exert systemic effects on the physiology of organisms. Adipose tissues (ATs) play a key role in balancing systemic energy homeostasis as a central hub for fatty acid metabolism. At the same time, proper endocrine function of ATs has also been shown to be crucial for regulating physiological and metabolic health. The endocrine function of ATs is partially mediated by AT-derived exosomes that regulate metabolic homeostasis, such as insulin signaling, lipolysis, and inflammation. During the pathogenesis of obesity, metabolic syndrome, and cancer, exosomes shed by the resident cells in ATs may also have a role in regulating the progression of these diseases along with associated pathologies. In this review, we summarize the contents of AT-derived exosomes and their effects on various cell populations along with possible underlying molecular mechanisms. We further discuss the potential applications of exosomes as a drug delivery tool and therapeutic target.
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Affiliation(s)
- Menchus Quan
- Department of Biological Sciences, Purdue University, West Lafayette, Indiana, USA
| | - Shihuan Kuang
- Department of Animal Sciences, Purdue University, West Lafayette, Indiana, USA.
- Center for Cancer Research, Purdue University, West Lafayette, Indiana, USA.
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32
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Metformin alleviates hyperuricaemia-induced serum FFA elevation and insulin resistance by inhibiting adipocyte hypertrophy and reversing suppressed white adipose tissue beiging. Clin Sci (Lond) 2020; 134:1537-1553. [PMID: 32556103 DOI: 10.1042/cs20200580] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/12/2020] [Accepted: 06/17/2020] [Indexed: 12/15/2022]
Abstract
Hyperuricaemia (HUA) significantly increases the risk of metabolic syndrome and is strongly associated with the increased prevalence of high serum free fatty acids (FFAs) and insulin resistance. However, the underlying mechanisms are not well established, especially the effect of uric acid (UA) on adipose tissue, a vital organ in regulating whole-body energy and FFA homeostasis. In the present study, we noticed that adipocytes from the white adipose tissue of patients with HUA were hypertrophied and had decreased UCP1 expression. To test the effects of UA on adipose tissue, we built both in vitro and in vivo HUA models and elucidated that a high level of UA could induce hypertrophy of adipocytes, inhibit their hyperplasia and reduce their beige-like characteristics. According to mRNA-sequencing analysis, UA significantly decreased the expression of leptin in adipocytes, which was closely related to fatty acid metabolism and the AMPK signalling pathway, as indicated by KEGG pathway analysis. Moreover, lowering UA using benzbromarone (a uricosuric agent) or metformin-induced activation of AMPK expression significantly attenuated UA-induced FFA metabolism impairment and adipose beiging suppression, which subsequently alleviated serum FFA elevation and insulin resistance in HUA mice. Taken together, these observations confirm that UA is involved in the aetiology of metabolic abnormalities in adipose tissue by regulating leptin-AMPK pathway, and metformin could lessen HUA-induced serum FFA elevation and insulin resistance by improving adipose tissue function via AMPK activation. Therefore, metformin could represent a novel treatment strategy for HUA-related metabolic disorders.
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33
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Kahn JH, Goddi A, Sharma A, Heiman J, Carmona A, Li Y, Hoffman A, Schoenfelt K, Ye H, Bobe AM, Becker L, Hollenberg AN, Cohen RN. SMRT Regulates Metabolic Homeostasis and Adipose Tissue Macrophage Phenotypes in Tandem. Endocrinology 2020; 161:bqaa132. [PMID: 32770234 PMCID: PMC7478322 DOI: 10.1210/endocr/bqaa132] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Accepted: 07/30/2020] [Indexed: 12/17/2022]
Abstract
The Silencing Mediator of Retinoid and Thyroid Hormone Receptors (SMRT) is a nuclear corepressor, regulating the transcriptional activity of many transcription factors critical for metabolic processes. While the importance of the role of SMRT in the adipocyte has been well-established, our comprehensive understanding of its in vivo function in the context of homeostatic maintenance is limited due to contradictory phenotypes yielded by prior generalized knockout mouse models. Multiple such models agree that SMRT deficiency leads to increased adiposity, although the effects of SMRT loss on glucose tolerance and insulin sensitivity have been variable. We therefore generated an adipocyte-specific SMRT knockout (adSMRT-/-) mouse to more clearly define the metabolic contributions of SMRT. In doing so, we found that SMRT deletion in the adipocyte does not cause obesity-even when mice are challenged with a high-fat diet. This suggests that adiposity phenotypes of previously described models were due to effects of SMRT loss beyond the adipocyte. However, an adipocyte-specific SMRT deficiency still led to dramatic effects on systemic glucose tolerance and adipocyte insulin sensitivity, impairing both. This metabolically deleterious outcome was coupled with a surprising immune phenotype, wherein most genes differentially expressed in the adipose tissue of adSMRT-/- mice were upregulated in pro-inflammatory pathways. Flow cytometry and conditioned media experiments demonstrated that secreted factors from knockout adipose tissue strongly informed resident macrophages to develop a pro-inflammatory, MMe (metabolically activated) phenotype. Together, these studies suggest a novel role for SMRT as an integrator of metabolic and inflammatory signals to maintain physiological homeostasis.
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Affiliation(s)
- Jonathan H Kahn
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois
| | - Anna Goddi
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois
| | - Aishwarya Sharma
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois
| | - Joshua Heiman
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois
| | - Alanis Carmona
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois
| | - Yan Li
- Center for Research Informatics, University of Chicago, Chicago, Illinois
| | - Alexandria Hoffman
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois
| | - Kelly Schoenfelt
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois
| | - Honggang Ye
- Department of Medicine, University of Chicago, Chicago, Illinois
| | - Alexandria M Bobe
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois
| | - Lev Becker
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois
| | | | - Ronald N Cohen
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois
- Department of Medicine, University of Chicago, Chicago, Illinois
- Section of Endocrinology, Diabetes, and Metabolism; University of Chicago, Chicago, Illinois
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34
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Sponton CH, Hosono T, Taura J, Jedrychowski MP, Yoneshiro T, Wang Q, Takahashi M, Matsui Y, Ikeda K, Oguri Y, Tajima K, Shinoda K, Pradhan RN, Chen Y, Brown Z, Roberts LS, Ward CC, Taoka H, Yokoyama Y, Watanabe M, Karasawa H, Nomura DK, Kajimura S. The regulation of glucose and lipid homeostasis via PLTP as a mediator of BAT-liver communication. EMBO Rep 2020; 21:e49828. [PMID: 32672883 DOI: 10.15252/embr.201949828] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 06/09/2020] [Accepted: 06/12/2020] [Indexed: 12/20/2022] Open
Abstract
While brown adipose tissue (BAT) is well-recognized for its ability to dissipate energy in the form of heat, recent studies suggest multifaced roles of BAT in the regulation of glucose and lipid homeostasis beyond stimulating thermogenesis. One of the functions involves interorgan communication with metabolic organs, such as the liver, through BAT-derived secretory factors, a.k.a., batokine. However, the identity and the roles of such mediators remain insufficiently understood. Here, we employed proteomics and transcriptomics in human thermogenic adipocytes and identified previously unappreciated batokines, including phospholipid transfer protein (PLTP). We found that increased circulating levels of PLTP, via systemic or BAT-specific overexpression, significantly improve glucose tolerance and insulin sensitivity, increased energy expenditure, and decrease the circulating levels of cholesterol, phospholipids, and sphingolipids. Such changes were accompanied by increased bile acids in the circulation, which in turn enhances glucose uptake and thermogenesis in BAT. Our data suggest that PLTP is a batokine that contributes to the regulation of systemic glucose and lipid homeostasis as a mediator of BAT-liver interorgan communication.
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Affiliation(s)
- Carlos H Sponton
- Diabetes Center, University of California, San Francisco, CA, USA.,Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, San Francisco, CA, USA.,Department of Cell and Tissue Biology, University of California, San Francisco, CA, USA
| | - Takashi Hosono
- Diabetes Center, University of California, San Francisco, CA, USA.,Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, San Francisco, CA, USA.,Department of Cell and Tissue Biology, University of California, San Francisco, CA, USA
| | - Junki Taura
- End-Organ Disease Laboratories, Daiichi-Sankyo Co., Ltd., Tokyo, Japan
| | | | - Takeshi Yoneshiro
- Diabetes Center, University of California, San Francisco, CA, USA.,Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, San Francisco, CA, USA.,Department of Cell and Tissue Biology, University of California, San Francisco, CA, USA
| | - Qiang Wang
- Diabetes Center, University of California, San Francisco, CA, USA.,Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, San Francisco, CA, USA.,Department of Cell and Tissue Biology, University of California, San Francisco, CA, USA
| | - Makoto Takahashi
- Drug Metabolism & Pharmacokinetics Research Laboratories, Daiichi-Sankyo Co., Ltd., Tokyo, Japan
| | - Yumi Matsui
- Protein Production Research Group, Biological Research Department, Daiichi-Sankyo RD Novare Co., Ltd., Tokyo, Japan
| | - Kenji Ikeda
- Diabetes Center, University of California, San Francisco, CA, USA.,Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, San Francisco, CA, USA.,Department of Cell and Tissue Biology, University of California, San Francisco, CA, USA
| | - Yasuo Oguri
- Diabetes Center, University of California, San Francisco, CA, USA.,Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, San Francisco, CA, USA.,Department of Cell and Tissue Biology, University of California, San Francisco, CA, USA
| | - Kazuki Tajima
- Diabetes Center, University of California, San Francisco, CA, USA.,Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, San Francisco, CA, USA.,Department of Cell and Tissue Biology, University of California, San Francisco, CA, USA
| | - Kosaku Shinoda
- Diabetes Center, University of California, San Francisco, CA, USA.,Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, San Francisco, CA, USA.,Department of Cell and Tissue Biology, University of California, San Francisco, CA, USA
| | - Rachana N Pradhan
- Diabetes Center, University of California, San Francisco, CA, USA.,Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, San Francisco, CA, USA.,Department of Cell and Tissue Biology, University of California, San Francisco, CA, USA
| | - Yong Chen
- Diabetes Center, University of California, San Francisco, CA, USA.,Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, San Francisco, CA, USA.,Department of Cell and Tissue Biology, University of California, San Francisco, CA, USA
| | - Zachary Brown
- Diabetes Center, University of California, San Francisco, CA, USA.,Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, San Francisco, CA, USA.,Department of Cell and Tissue Biology, University of California, San Francisco, CA, USA
| | - Lindsay S Roberts
- Departments of Chemistry, Molecular and Cell Biology, and Nutritional Sciences and Toxicology, University of California, Berkeley, Berkeley, CA, USA
| | - Carl C Ward
- Departments of Chemistry, Molecular and Cell Biology, and Nutritional Sciences and Toxicology, University of California, Berkeley, Berkeley, CA, USA
| | - Hiroki Taoka
- Graduate School of Media and Governance, Keio University, Kanagawa, Japan
| | - Yoko Yokoyama
- Graduate School of Media and Governance, Keio University, Kanagawa, Japan
| | - Mitsuhiro Watanabe
- Graduate School of Media and Governance, Keio University, Kanagawa, Japan
| | - Hiroshi Karasawa
- End-Organ Disease Laboratories, Daiichi-Sankyo Co., Ltd., Tokyo, Japan
| | - Daniel K Nomura
- Departments of Chemistry, Molecular and Cell Biology, and Nutritional Sciences and Toxicology, University of California, Berkeley, Berkeley, CA, USA
| | - Shingo Kajimura
- Diabetes Center, University of California, San Francisco, CA, USA.,Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, San Francisco, CA, USA.,Department of Cell and Tissue Biology, University of California, San Francisco, CA, USA
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35
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Pydi SP, Jain S, Barella LF, Zhu L, Sakamoto W, Meister J, Wang L, Lu H, Cui Y, Gavrilova O, Wess J. β-arrestin-1 suppresses myogenic reprogramming of brown fat to maintain euglycemia. SCIENCE ADVANCES 2020; 6:eaba1733. [PMID: 32548266 PMCID: PMC7274797 DOI: 10.1126/sciadv.aba1733] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 04/16/2020] [Indexed: 05/05/2023]
Abstract
A better understanding of the signaling pathways regulating adipocyte function is required for the development of new classes of antidiabetic/obesity drugs. We here report that mice lacking β-arrestin-1 (barr1), a cytoplasmic and nuclear signaling protein, selectively in adipocytes showed greatly impaired glucose tolerance and insulin sensitivity when consuming an obesogenic diet. In contrast, transgenic mice overexpressing barr1 in adipocytes were protected against the metabolic deficits caused by a high-calorie diet. Barr1 deficiency led to a myogenic reprogramming of brown adipose tissue (BAT), causing elevated plasma myostatin (Mstn) levels, which in turn led to impaired insulin signaling in multiple peripheral tissues. Additional in vivo studies indicated that barr1-mediated suppression of Mstn expression by BAT is required for maintaining euglycemia. These findings convincingly identify barr1 as a critical regulator of BAT function. Strategies aimed at enhancing barr1 activity in BAT may prove beneficial for the treatment of type 2 diabetes.
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Affiliation(s)
- Sai P. Pydi
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
- Corresponding author. (J.W.); (S.P.P.)
| | - Shanu Jain
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
| | - Luiz F. Barella
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
| | - Lu Zhu
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
| | - Wataru Sakamoto
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
| | - Jaroslawna Meister
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
| | - Lei Wang
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
| | - Huiyan Lu
- Mouse Transgenic Core Facility, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
| | - Yinghong Cui
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
| | - Oksana Gavrilova
- Mouse Metabolism Core, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
| | - Jürgen Wess
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
- Corresponding author. (J.W.); (S.P.P.)
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36
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Sun N, Wang Y, Wang J, Sun W, Yang J, Liu N. Highly Efficient Peptide-Based Click Chemistry for Proteomic Profiling of Nascent Proteins. Anal Chem 2020; 92:8292-8297. [PMID: 32434323 DOI: 10.1021/acs.analchem.0c00594] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Ningning Sun
- Central Laboratory, The Second Hospital of Jilin University, Key Laboratory of Zoonosis Research, Ministry of Education, Jilin University, Changchun, China
| | - Yong Wang
- College of Life Science, Shenzhen University, Shenzhen, China
| | - Jun Wang
- Shenzhen Center for Chronic Disease Control, Shenzhen, China
| | - Wanchun Sun
- Central Laboratory, The Second Hospital of Jilin University, Key Laboratory of Zoonosis Research, Ministry of Education, Jilin University, Changchun, China
| | - Jingbo Yang
- Central Laboratory, The Second Hospital of Jilin University, Key Laboratory of Zoonosis Research, Ministry of Education, Jilin University, Changchun, China
| | - Ning Liu
- Central Laboratory, The Second Hospital of Jilin University, Key Laboratory of Zoonosis Research, Ministry of Education, Jilin University, Changchun, China
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37
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Li J, Li J, Zhao WG, Sun HD, Guo ZG, Liu XY, Tang XY, She ZF, Yuan T, Liu SN, Liu Q, Fu Y, Sun W. Comprehensive proteomics and functional annotation of mouse brown adipose tissue. PLoS One 2020; 15:e0232084. [PMID: 32374735 PMCID: PMC7202602 DOI: 10.1371/journal.pone.0232084] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 04/07/2020] [Indexed: 12/13/2022] Open
Abstract
Knowledge about the mouse brown adipose tissue (BAT) proteome can provide a deeper understanding of the function of mammalian BAT. Herein, a comprehensive analysis of interscapular BAT from C57BL/6J female mice was conducted by 2DLC and high-resolution mass spectrometry to construct a comprehensive proteome dataset of mouse BAT proteins. A total of 4949 nonredundant proteins were identified, and 4495 were quantified using the iBAQ method. According to the iBAQ values, the BAT proteome was divided into high-, middle- and low-abundance proteins. The functions of the high-abundance proteins were mainly related to glucose and fatty acid oxidation to produce heat for thermoregulation, while the functions of the middle- and low-abundance proteins were mainly related to protein synthesis and apoptosis, respectively. Additionally, 497 proteins were predicted to have signal peptides using SignalP4 software, and 75 were confirmed in previous studies. This study, for the first time, comprehensively profiled and functionally annotated the BAT proteome. This study will be helpful for future studies focused on biomarker identification and BAT molecular mechanisms.
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Affiliation(s)
- Jing Li
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences/School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Juan Li
- Key Laboratory of Endocrinology of Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Wei-Gang Zhao
- Key Laboratory of Endocrinology of Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
- * E-mail: (WS); (W-GZ)
| | - Hai-Dan Sun
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences/School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Zheng-Guang Guo
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences/School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Xiao-Yan Liu
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences/School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Xiao-Yue Tang
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences/School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Zhu-Fang She
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Diabetes Research Center of Chinese Academy of Medical Sciences, Beijing, China
| | - Tao Yuan
- Key Laboratory of Endocrinology of Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Shuai-Nan Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Diabetes Research Center of Chinese Academy of Medical Sciences, Beijing, China
| | - Quan Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Diabetes Research Center of Chinese Academy of Medical Sciences, Beijing, China
| | - Yong Fu
- Key Laboratory of Endocrinology of Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Wei Sun
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences/School of Basic Medicine, Peking Union Medical College, Beijing, China
- * E-mail: (WS); (W-GZ)
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38
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Kuschak M, Namasivayam V, Rafehi M, Voss JH, Garg J, Schlegel JG, Abdelrahman A, Kehraus S, Reher R, Küppers J, Sylvester K, Hinz S, Matthey M, Wenzel D, Fleischmann BK, Pfeifer A, Inoue A, Gütschow M, König GM, Müller CE. Cell-permeable high-affinity tracers for G q proteins provide structural insights, reveal distinct binding kinetics and identify small molecule inhibitors. Br J Pharmacol 2020; 177:1898-1916. [PMID: 31881095 PMCID: PMC7070167 DOI: 10.1111/bph.14960] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 11/26/2019] [Accepted: 12/01/2019] [Indexed: 12/13/2022] Open
Abstract
Background and Purpose G proteins are intracellular switches that transduce and amplify extracellular signals from GPCRs. The Gq protein subtypes, which are coupled to PLC activation, can act as oncogenes, and their expression was reported to be up‐regulated in cancer and inflammatory diseases. Gq inhibition may be an efficient therapeutic strategy constituting a new level of intervention. However, diagnostic tools and therapeutic drugs for Gq proteins are lacking. Experimental Approach We have now developed Gq‐specific, cell‐permeable 3H‐labelled high‐affinity probes based on the macrocyclic depsipeptides FR900359 (FR) and YM‐254890 (YM). The tracers served to specifically label and quantify Gq proteins in their native conformation in cells and tissues with high accuracy. Key Results FR and YM displayed low nanomolar affinity for Gαq, Gα11 and Gα14 expressed in CRISPR/Cas9 Gαq‐knockout cells, but not for Gα15. The two structurally very similar tracers showed strikingly different dissociation kinetics, which is predicted to result in divergent biological effects. Computational studies suggested a “dowel” effect of the pseudoirreversibly binding FR. A high‐throughput binding assay led to the discovery of novel Gq inhibitors, which inhibited Gq signalling in recombinant cells and primary murine brown adipocytes, resulting in enhanced differentiation. Conclusions and Implications The Gq protein inhibitors YM and FR are pharmacologically different despite similar structures. The new versatile tools and powerful assays will contribute to the advancement of the rising field of G protein research.
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Affiliation(s)
- Markus Kuschak
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, Bonn, Germany
| | - Vigneshwaran Namasivayam
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, Bonn, Germany
| | - Muhammad Rafehi
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, Bonn, Germany
| | - Jan H Voss
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, Bonn, Germany
| | - Jaspal Garg
- Institute of Pharmacology and Toxicology, University Hospital Bonn, University of Bonn, Bonn, Germany
| | - Jonathan G Schlegel
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, Bonn, Germany
| | - Aliaa Abdelrahman
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, Bonn, Germany
| | - Stefan Kehraus
- Institute of Pharmaceutical Biology, University of Bonn, Bonn, Germany
| | - Raphael Reher
- Institute of Pharmaceutical Biology, University of Bonn, Bonn, Germany
| | - Jim Küppers
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, Bonn, Germany
| | - Katharina Sylvester
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, Bonn, Germany
| | - Sonja Hinz
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, Bonn, Germany
| | - Michaela Matthey
- Medical Faculty, Institute of Physiology I, Life and Brain Center, University of Bonn, Bonn, Germany.,Department of Systems Physiology, Medical Faculty, Ruhr University Bochum, Bochum, Germany
| | - Daniela Wenzel
- Medical Faculty, Institute of Physiology I, Life and Brain Center, University of Bonn, Bonn, Germany.,Department of Systems Physiology, Medical Faculty, Ruhr University Bochum, Bochum, Germany
| | - Bernd K Fleischmann
- Medical Faculty, Institute of Physiology I, Life and Brain Center, University of Bonn, Bonn, Germany
| | - Alexander Pfeifer
- Institute of Pharmacology and Toxicology, University Hospital Bonn, University of Bonn, Bonn, Germany
| | - Asuka Inoue
- Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Miyagi, Japan
| | - Michael Gütschow
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, Bonn, Germany
| | - Gabriele M König
- Institute of Pharmaceutical Biology, University of Bonn, Bonn, Germany
| | - Christa E Müller
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, Bonn, Germany
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39
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Amino acid-based compound activates atypical PKC and leptin receptor pathways to improve glycemia and anxiety like behavior in diabetic mice. Biomaterials 2020; 239:119839. [PMID: 32065973 DOI: 10.1016/j.biomaterials.2020.119839] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 01/29/2020] [Accepted: 02/01/2020] [Indexed: 12/28/2022]
Abstract
Differences in glucose uptake in peripheral and neural tissues account for the reduced efficacy of insulin in nervous tissues. Herein, we report the design of short peptides, referred as amino acid compounds (AAC) with and without a modified side chain moiety. At nanomolar concentrations, a candidate therapeutic molecule, AAC2, containing a 7-(diethylamino) coumarin-3-carboxamide side-chain improved glucose control in human peripheral adipocytes and the endothelial brain barrier cells by activation of insulin-insensitive glucose transporter 1 (GLUT1). AAC2 interacted specifically with the leptin receptor (LepR) and activated atypical protein kinase C zeta (PKCς) to increase glucose uptake. The effects induced by AAC2 were absent in leptin receptor-deficient predipocytes and in Leprdb mice. In contrast, AAC2 established glycemic control altering food intake in leptin-deficient Lepob mice. Therefore, AAC2 activated the LepR and acted in a cytokine-like manner distinct from leptin. In a monogenic Ins2Akita mouse model for the phenotypes associated with type 1 diabetes, AAC2 rescued systemic glucose uptake in these mice without an increase in insulin levels and adiposity, as seen in insulin-treated Ins2Akita mice. In contrast to insulin, AAC2 treatment increased brain mass and reduced anxiety-related behavior in Ins2Akita mice. Our data suggests that the unique mechanism of action for AAC2, activating LepR/PKCς/GLUT1 axis, offers an effective strategy to broaden glycemic control for the prevention of diabetic complications of the nervous system and, possibly, other insulin insensitive or resistant tissues.
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40
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Tutunchi H, Ostadrahimi A, Hosseinzadeh-Attar MJ, Miryan M, Mobasseri M, Ebrahimi-Mameghani M. A systematic review of the association of neuregulin 4, a brown fat-enriched secreted factor, with obesity and related metabolic disturbances. Obes Rev 2020; 21:e12952. [PMID: 31782243 DOI: 10.1111/obr.12952] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 09/05/2019] [Accepted: 09/05/2019] [Indexed: 12/13/2022]
Abstract
Neuregulin 4 (Nrg4), a novel brown fat-enriched hormone, plays a key role in the modulation of glucose and lipid metabolism and energy balance. Recent data have demonstrated that the expression of Nrg4 is substantially down-regulated in mouse and human obesity, making its regulatory aspect intriguing. Because of the close relationship between Nrg4, obesity, and associated metabolic diseases, this systematic review aimed to assess the association of Nrg4 with obesity and related metabolic disturbances, emphasizing its possible mechanisms of action in these disorders. We searched PubMed/Medline, ScienceDirect, Scopus, EMBASE, ProQuest, and Google Scholar up until June 2019. The evidence reviewed here indicates that Nrg4 may contribute to the prevention of obesity and related metabolic complications by elevating brown adipose tissue activity, increasing the expression of thermogenic markers, decreasing the expression of lipogenic/adipogenic genes, exacerbating white adipose tissue browning, increasing the number of brite/beige adipocytes, promoting hepatic fat oxidation and ketogenesis, inducing neurite outgrowth, enhancing blood vessels in adipose tissue, increasing the circulatory levels of healthy adipokines, and improving glucose homeostasis. Thus, Nrg4 appears to be a novel therapeutic strategy for the treatment of obesity and associated metabolic complications. However, prospective cohort studies are warranted to confirm these outcomes.
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Affiliation(s)
- Helda Tutunchi
- Nutrition Research Center, Student Research Committee, Department of Clinical Nutrition, School of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.,Nutrition Research Center, Department of Clinical Nutrition, School of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alireza Ostadrahimi
- Nutrition Research Center, Department of Clinical Nutrition, School of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Mahsa Miryan
- Nutrition Research Center, Student Research Committee, Department of Clinical Nutrition, School of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Majid Mobasseri
- Endocrine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehrangiz Ebrahimi-Mameghani
- Social Determinants of Health Research Center, Department of Biochemistry and Diet Therapy, School of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
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41
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Haylett WL, Ferris WF. Adipocyte-progenitor cell communication that influences adipogenesis. Cell Mol Life Sci 2020; 77:115-128. [PMID: 31352534 PMCID: PMC11104918 DOI: 10.1007/s00018-019-03256-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 07/05/2019] [Accepted: 07/24/2019] [Indexed: 12/12/2022]
Abstract
Adipose tissue is located in discrete depots that are differentially associated with elevated risk of metabolic complications, with fat accretion in visceral depots being most detrimental to metabolic health. Currently, the regulation of specific adipose depot expansion, by adipocyte hypertrophy and hyperplasia and consequently fat distribution, is not well understood. However, a growing body of evidence from in vitro investigations indicates that mature adipocytes secrete factors that modulate the proliferation and differentiation of progenitor, adipose-derived stem cells (ADSCs). It is therefore plausible that endocrine communication between adipocytes and ADSCs located in different depots influences fat distribution, and may therefore contribute to the adverse health outcomes associated with visceral adiposity. This review will explore the available evidence of paracrine and endocrine crosstalk between mature adipocytes and ADSCs that affects adipogenesis, as a better understanding of the regulatory roles of the extracellular signalling mechanisms within- and between adipose depots may profoundly change the way we view adipose tissue growth in obesity and related comorbidities.
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Affiliation(s)
- William Lloyd Haylett
- Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - William Frank Ferris
- Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa.
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42
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Scheele C, Wolfrum C. Brown Adipose Crosstalk in Tissue Plasticity and Human Metabolism. Endocr Rev 2020; 41:bnz007. [PMID: 31638161 PMCID: PMC7006230 DOI: 10.1210/endrev/bnz007] [Citation(s) in RCA: 112] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 10/15/2019] [Indexed: 12/20/2022]
Abstract
Infants rely on brown adipose tissue (BAT) as a primary source of thermogenesis. In some adult humans, residuals of brown adipose tissue are adjacent to the central nervous system and acute activation increases metabolic rate. Brown adipose tissue (BAT) recruitment occurs during cold acclimation and includes secretion of factors, known as batokines, which target several different cell types within BAT, and promote adipogenesis, angiogenesis, immune cell interactions, and neurite outgrowth. All these processes seem to act in concert to promote an adapted BAT. Recent studies have also provided exciting data on whole body metabolic regulation with a broad spectrum of mechanisms involving BAT crosstalk with liver, skeletal muscle, and gut as well as the central nervous system. These widespread interactions might reflect the property of BAT of switching between an active thermogenic state where energy is highly consumed and drained from the circulation, and the passive thermoneutral state, where energy consumption is turned off. (Endocrine Reviews 41: XXX - XXX, 2020).
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Affiliation(s)
- Camilla Scheele
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
- The Centre of Inflammation and Metabolism and Centre for Physical Activity Research Rigshospitalet, University Hospital of Copenhagen, Denmark
| | - Christian Wolfrum
- Institute of Food, Nutrition, and Health, ETH Zürich, Schorenstrasse, Schwerzenbach, Switzerland
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43
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Chen L, Yang Z, Wang Y, Du L, Li Y, Zhang N, Gao W, Peng R, Zhu F, Wang L, Li C, Li J, Wang F, Sun Q, Zhang D. Single xenotransplant of rat brown adipose tissue prolonged the ovarian lifespan of aging mice by improving follicle survival. Aging Cell 2019; 18:e13024. [PMID: 31389140 PMCID: PMC6826128 DOI: 10.1111/acel.13024] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 06/27/2019] [Accepted: 07/14/2019] [Indexed: 02/06/2023] Open
Abstract
Prolonging the ovarian lifespan is attractive and challenging. An optimal clinical strategy must be safe, long-acting, simple, and economical. Allotransplantation of brown adipose tissue (BAT), which is most abundant and robust in infants, has been utilized to treat various mouse models of human disease. Could we use BAT to prolong the ovarian lifespan of aging mice? Could we try BAT xenotransplantation to alleviate the clinical need for allogeneic BAT due to the lack of voluntary infant donors? In the current study, we found that a single rat-to-mouse (RTM) BAT xenotransplantation did not cause systemic immune rejection but did significantly increase the fertility of mice and was effective for more than 5 months (equivalent to 10 years in humans). Next, we did a series of analysis including follicle counting; AMH level; estrous cycle; mTOR activity; GDF9, BMP15, LHR, Sirt1, and Cyp19a level; ROS and annexin V level; IL6 and adiponectin level; biochemical blood indices; body temperature; transcriptome; and DNA methylation studies. From these, we proposed that rat BAT xenotransplantation rescued multiple indices indicative of follicle and oocyte quality; rat BAT also improved the metabolism and general health of the aging mice; and transcriptional and epigenetic (DNA methylation) improvement in F0 mice could benefit F1 mice; and multiple KEGG pathways and GO classified biological processes the differentially expressed genes (DEGs) or differentially methylated regions (DMRs) involved were identical between F0 and F1. This study could be a helpful reference for clinical BAT xenotransplantation from close human relatives to the woman.
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Affiliation(s)
- Liang‐Jian Chen
- State Key Lab of Reproductive MedicineNanjing Medical UniversityNanjingChina
| | - Zhi‐Xia Yang
- State Key Lab of Reproductive MedicineNanjing Medical UniversityNanjingChina
| | - Yang Wang
- State Key Lab of Reproductive MedicineNanjing Medical UniversityNanjingChina
| | - Lei Du
- State Key Lab of Reproductive MedicineNanjing Medical UniversityNanjingChina
- Department of Center for Medical ExperimentsThird Xiang‐Ya Hospital of Central South UniversityChangshaChina
| | - Yan‐Ru Li
- State Key Lab of Reproductive MedicineNanjing Medical UniversityNanjingChina
| | - Na‐Na Zhang
- State Key Lab of Reproductive MedicineNanjing Medical UniversityNanjingChina
| | - Wen‐Yi Gao
- State Key Lab of Reproductive MedicineNanjing Medical UniversityNanjingChina
| | - Rui‐Rui Peng
- State Key Lab of Reproductive MedicineNanjing Medical UniversityNanjingChina
| | - Feng‐Yu Zhu
- State Key Lab of Reproductive MedicineNanjing Medical UniversityNanjingChina
| | - Li‐Li Wang
- State Key Lab of Reproductive MedicineNanjing Medical UniversityNanjingChina
| | - Cong‐Rong Li
- State Key Lab of Reproductive MedicineNanjing Medical UniversityNanjingChina
| | - Jian‐Min Li
- Animal Core FacilityNanjing Medical UniversityNanjingChina
| | - Fu‐Qiang Wang
- Analysis & Test CenterNanjing Medical UniversityNanjingChina
| | - Qing‐Yuan Sun
- State Key Lab of Stem Cell and Reproductive Biology, Institute of ZoologyChinese Academy of SciencesBeijingChina
| | - Dong Zhang
- State Key Lab of Reproductive MedicineNanjing Medical UniversityNanjingChina
- Animal Core FacilityNanjing Medical UniversityNanjingChina
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44
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Deshmukh AS, Peijs L, Beaudry JL, Jespersen NZ, Nielsen CH, Ma T, Brunner AD, Larsen TJ, Bayarri-Olmos R, Prabhakar BS, Helgstrand C, Severinsen MCK, Holst B, Kjaer A, Tang-Christensen M, Sanfridson A, Garred P, Privé GG, Pedersen BK, Gerhart-Hines Z, Nielsen S, Drucker DJ, Mann M, Scheele C. Proteomics-Based Comparative Mapping of the Secretomes of Human Brown and White Adipocytes Reveals EPDR1 as a Novel Batokine. Cell Metab 2019; 30:963-975.e7. [PMID: 31668873 DOI: 10.1016/j.cmet.2019.10.001] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 04/26/2019] [Accepted: 10/02/2019] [Indexed: 10/25/2022]
Abstract
Adipokines secreted from white adipose tissue play a role in metabolic crosstalk and homeostasis, whereas the brown adipose secretome is less explored. We performed high-sensitivity mass-spectrometry-based proteomics on the cell media of human adipocytes derived from the supraclavicular brown adipose and from the subcutaneous white adipose depots of adult humans. We identified 471 potentially secreted proteins covering interesting categories such as hormones, growth factors, extracellular matrix proteins, and proteins of the complement system, which were differentially regulated between brown and white adipocytes. A total of 101 proteins were exclusively quantified in brown adipocytes, and among these was ependymin-related protein 1 (EPDR1). EPDR1 was detected in human plasma, and functional studies suggested a role for EPDR1 in thermogenic determination during adipogenesis. In conclusion, we report substantial differences between the secretomes of brown and white human adipocytes and identify novel candidate batokines that can be important regulators of human metabolism.
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Affiliation(s)
- Atul S Deshmukh
- Department of Proteomics and Signal Transduction, Max-Planck-Institute of Biochemistry, Am Klopferspitz 18, 82152 Martinsried, Germany; The Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen 2200, Denmark; Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen 2200, Denmark
| | - Lone Peijs
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen 2200, Denmark; The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen 2100, Denmark
| | - Jacqueline L Beaudry
- The Lunenfeld-Tanenbaum Research Institute, Mt. Sinai Hospital, Department of Medicine, University of Toronto, Toronto, ON M5G 1X5, Canada
| | - Naja Z Jespersen
- The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen 2100, Denmark
| | - Carsten H Nielsen
- Department of Clinical Physiology, Nuclear Medicine and PET and Cluster for Molecular Imaging, Department of Biomedical Sciences, Rigshospitalet and University of Copenhagen, Copenhagen 2200, Denmark; Minerva Imaging ApS, Copenhagen 2200, Denmark
| | - Tao Ma
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen 2200, Denmark
| | - Andreas D Brunner
- Department of Proteomics and Signal Transduction, Max-Planck-Institute of Biochemistry, Am Klopferspitz 18, 82152 Martinsried, Germany
| | - Therese J Larsen
- The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen 2100, Denmark
| | - Rafael Bayarri-Olmos
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Rigshospitalet, University Hospital of Copenhagen, Copenhagen 2100, Denmark
| | - Bhargav S Prabhakar
- The Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen 2200, Denmark
| | | | - Mai C K Severinsen
- The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen 2100, Denmark
| | - Birgitte Holst
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen 2200, Denmark
| | - Andreas Kjaer
- Department of Clinical Physiology, Nuclear Medicine and PET and Cluster for Molecular Imaging, Department of Biomedical Sciences, Rigshospitalet and University of Copenhagen, Copenhagen 2200, Denmark
| | | | | | - Peter Garred
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Rigshospitalet, University Hospital of Copenhagen, Copenhagen 2100, Denmark
| | - Gilbert G Privé
- Princess Margaret Cancer Centre, Toronto, ON M5G 1L7, Canada
| | - Bente K Pedersen
- The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen 2100, Denmark
| | - Zachary Gerhart-Hines
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen 2200, Denmark
| | - Søren Nielsen
- The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen 2100, Denmark
| | - Daniel J Drucker
- The Lunenfeld-Tanenbaum Research Institute, Mt. Sinai Hospital, Department of Medicine, University of Toronto, Toronto, ON M5G 1X5, Canada
| | - Matthias Mann
- Department of Proteomics and Signal Transduction, Max-Planck-Institute of Biochemistry, Am Klopferspitz 18, 82152 Martinsried, Germany; The Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen 2200, Denmark.
| | - Camilla Scheele
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen 2200, Denmark; The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen 2100, Denmark.
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45
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Ouellette MÈ, Bérubé JC, Bourget JM, Vallée M, Bossé Y, Fradette J. Linoleic acid supplementation of cell culture media influences the phospholipid and lipid profiles of human reconstructed adipose tissue. PLoS One 2019; 14:e0224228. [PMID: 31639818 PMCID: PMC6805161 DOI: 10.1371/journal.pone.0224228] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 10/08/2019] [Indexed: 01/09/2023] Open
Abstract
Reconstructed human adipose tissues represent novel tools available to perform in vitro pharmaco-toxicological studies. We used adipose-derived human stromal/stem cells to reconstruct, using tissue engineering techniques, such an adipose tridimensional model. To determine to what extent the in vitro model is representative of its native counterpart, adipogenic differentiation, triglycerides accumulation and phospholipids profiles were analysed. Ingenuity Pathway Analysis software revealed pathways enriched with differentially-expressed genes between native and reconstructed human adipose tissues. Interestingly, genes related to fatty acid metabolism were downregulated in vitro, which could be explained in part by the insufficient amount of essential fatty acids provided by the fetal calf serum used for the culture. Indeed, the lipid profile of the reconstructed human adipose tissues indicated a particular lack of linoleic acid, which could interfere with physiological cell processes such as membrane trafficking, signaling and inflammatory responses. Supplementation in the culture medium was able to influence the lipid profile of the reconstructed human adipose tissues. This study demonstrates the possibility to directly modulate the phospholipid profile of reconstructed human adipose tissues. This reinforces its use as a relevant physiological or pathological model for further pharmacological and metabolic studies of human adipose tissue functions.
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Affiliation(s)
- Marie-Ève Ouellette
- Centre de Recherche en Organogenèse Expérimentale de l'Université Laval/LOEX, Division of Regenerative Medicine, CHU de Québec -Université Laval Research Center, Québec, QC, Canada
- Department of Surgery, Faculty of Medicine, Université Laval, Québec, Canada
| | - Jean-Christophe Bérubé
- Centre de Recherche de l’Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, QC, Canada
| | - Jean-Michel Bourget
- Centre de Recherche en Organogenèse Expérimentale de l'Université Laval/LOEX, Division of Regenerative Medicine, CHU de Québec -Université Laval Research Center, Québec, QC, Canada
- Department of Surgery, Faculty of Medicine, Université Laval, Québec, Canada
| | - Maud Vallée
- Centre de Recherche en Organogenèse Expérimentale de l'Université Laval/LOEX, Division of Regenerative Medicine, CHU de Québec -Université Laval Research Center, Québec, QC, Canada
- Department of Surgery, Faculty of Medicine, Université Laval, Québec, Canada
| | - Yohan Bossé
- Centre de Recherche de l’Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, QC, Canada
- Department of Molecular Medicine, Faculty of Medicine, Université Laval, Québec, Canada
| | - Julie Fradette
- Centre de Recherche en Organogenèse Expérimentale de l'Université Laval/LOEX, Division of Regenerative Medicine, CHU de Québec -Université Laval Research Center, Québec, QC, Canada
- Department of Surgery, Faculty of Medicine, Université Laval, Québec, Canada
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46
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Scheja L, Heeren J. The endocrine function of adipose tissues in health and cardiometabolic disease. Nat Rev Endocrinol 2019; 15:507-524. [PMID: 31296970 DOI: 10.1038/s41574-019-0230-6] [Citation(s) in RCA: 347] [Impact Index Per Article: 69.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/17/2019] [Indexed: 12/16/2022]
Abstract
In addition to their role in glucose and lipid metabolism, adipocytes respond differentially to physiological cues or metabolic stress by releasing endocrine factors that regulate diverse processes, such as energy expenditure, appetite control, glucose homeostasis, insulin sensitivity, inflammation and tissue repair. Both energy-storing white adipocytes and thermogenic brown and beige adipocytes secrete hormones, which can be peptides (adipokines), lipids (lipokines) and exosomal microRNAs. Some of these factors have defined targets; for example, adiponectin and leptin signal through their respective receptors that are expressed in multiple organs. For other adipocyte hormones, receptors are more promiscuous or remain to be identified. Furthermore, many of these hormones are also produced by other organs and tissues, which makes defining the endocrine contribution of adipose tissues a challenge. In this Review, we discuss the functional role of adipose tissue-derived endocrine hormones for metabolic adaptations to the environment and we highlight how these factors contribute to the development of cardiometabolic diseases. We also cover how this knowledge can be translated into human therapies. In addition, we discuss recent findings that emphasize the endocrine role of white versus thermogenic adipocytes in conditions of health and disease.
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Affiliation(s)
- Ludger Scheja
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Joerg Heeren
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
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Glucose Restriction Plus Refeeding in Vitro Induce Changes of the Human Adipocyte Secretome with an Impact on Complement Factors and Cathepsins. Int J Mol Sci 2019; 20:ijms20164055. [PMID: 31434216 PMCID: PMC6719948 DOI: 10.3390/ijms20164055] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/05/2019] [Accepted: 08/16/2019] [Indexed: 02/07/2023] Open
Abstract
Adipose tissue is a major endocrine organ capable of secreting adipokines with a role in whole-body metabolism. Changes in the secretome profile during the development of obesity is suspected to contribute to the risk of health complications such as those associated with weight regain after weight loss. However, the number of studies on weight regain is limited and secretome changes during weight regain have hardly been investigated. In an attempt to generate leads for in vivo studies, we have subjected human Simpson Golabi Behmel Syndrome adipocytes to glucose restriction (GR) followed by refeeding (RF) as an in vitro surrogate for weight regain after weight loss. Using LC-MS/MS, we compared the secreted protein profile after GR plus RF with that of normal feeding (NF) to assess the consequences of GR plus RF. We identified 338 secreted proteins of which 49 were described for the first time as being secreted by adipocytes. In addition, comparison between NF and GR plus RF showed 39 differentially secreted proteins. Functional classification revealed GR plus RF-induced changes of enzymes for extracellular matrix modification, complement system factors, cathepsins, and several proteins related to Alzheimer’s disease. These observations can be used as clues to investigate metabolic consequences of weight regain, weight cycling or intermittent fasting.
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Tang X, Li J, Zhao WG, Sun H, Guo Z, Jing L, She Z, Yuan T, Liu SN, Liu Q, Fu Y, Sun W. Comprehensive map and functional annotation of the mouse white adipose tissue proteome. PeerJ 2019; 7:e7352. [PMID: 31380149 PMCID: PMC6661141 DOI: 10.7717/peerj.7352] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Accepted: 06/25/2019] [Indexed: 12/26/2022] Open
Abstract
White adipose tissue (WAT) plays a significant role in energy metabolism and the obesity epidemic. In this study, we sought to (1) profile the mouse WAT proteome with advanced 2DLC/MS/MS approach, (2) provide insight into WAT function based on protein functional annotation, and (3) predict potentially secreted proteins. A label-free 2DLC/MS/MS proteomic approach was used to identify the WAT proteome from female mouse WAT. A total of 6,039 proteins in WAT were identified, among which 5,160 were quantified (spanning a magnitude of 106) using an intensity-based absolute quantification algorithm, and 3,117 proteins were reported by proteomics technology for the first time in WAT. To comprehensively analyze the function of WAT, the proteins were divided into three quantiles based on abundance and we found that proteins of different abundance performed different functions. High-abundance proteins (the top 90%, 1,219 proteins) were involved in energy metabolism; middle-abundance proteins (90–99%, 2,273 proteins) were involved in the regulation of protein synthesis; and low-abundance proteins (99–100%, 1,668 proteins) were associated with lipid metabolism and WAT beiging. Furthermore, 800 proteins were predicted by SignalP4.0 to have signal peptides, 265 proteins had never been reported, and five have been reported as adipokines. The above results provide a large dataset of the normal mouse WAT proteome, which might be useful for WAT function research.
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Affiliation(s)
- Xiaoyue Tang
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences/School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Juan Li
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Wei-Gang Zhao
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Haidan Sun
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences/School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Zhengguang Guo
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences/School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Li Jing
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences/School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Zhufang She
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Diabetes Research Center of Chinese Academy of Medical Sciences, Beijing, China
| | - Tao Yuan
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Shuai-Nan Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Diabetes Research Center of Chinese Academy of Medical Sciences, Beijing, China
| | - Quan Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Diabetes Research Center of Chinese Academy of Medical Sciences, Beijing, China
| | - Yong Fu
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Wei Sun
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences/School of Basic Medicine, Peking Union Medical College, Beijing, China
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