1
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Okumuş EB, Böke ÖB, Turhan SŞ, Doğan A. From development to future prospects: The adipose tissue & adipose tissue organoids. Life Sci 2024; 351:122758. [PMID: 38823504 DOI: 10.1016/j.lfs.2024.122758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 05/22/2024] [Accepted: 05/27/2024] [Indexed: 06/03/2024]
Abstract
Living organisms store their energy in different forms of fats including lipid droplets, triacylglycerols, and steryl esters. In mammals and some non-mammal species, the energy is stored in adipose tissue which is the innervated specialized connective tissue that incorporates a variety of cell types such as macrophages, fibroblasts, pericytes, endothelial cells, adipocytes, blood cells, and several kinds of immune cells. Adipose tissue is so complex that the scope of its function is not only limited to energy storage, it also encompasses to thermogenesis, mechanical support, and immune defense. Since defects and complications in adipose tissue are heavily related to certain chronic diseases such as obesity, cardiovascular diseases, type 2 diabetes, insulin resistance, and cholesterol metabolism defects, it is important to further study adipose tissue to enlighten further mechanisms behind those diseases to develop possible therapeutic approaches. Adipose organoids are accepted as very promising tools for studying fat tissue development and its underlying molecular mechanisms, due to their high recapitulation of the adipose tissue in vitro. These organoids can be either derived using stromal vascular fractions or pluripotent stem cells. Due to their great vascularization capacity and previously reported incontrovertible regulatory role in insulin sensitivity and blood glucose levels, adipose organoids hold great potential to become an excellent candidate for the source of stem cell therapy. In this review, adipose tissue types and their corresponding developmental stages and functions, the importance of adipose organoids, and the potential they hold will be discussed in detail.
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Affiliation(s)
- Ezgi Bulut Okumuş
- Faculty of Engineering, Genetics and Bioengineering Department, Yeditepe University, İstanbul, Turkey
| | - Özüm Begüm Böke
- Faculty of Engineering, Genetics and Bioengineering Department, Yeditepe University, İstanbul, Turkey
| | - Selinay Şenkal Turhan
- Faculty of Engineering, Genetics and Bioengineering Department, Yeditepe University, İstanbul, Turkey
| | - Ayşegül Doğan
- Faculty of Engineering, Genetics and Bioengineering Department, Yeditepe University, İstanbul, Turkey.
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2
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Steiner BM, Benvie AM, Lee D, Jiang Y, Berry DC. Cxcr4 regulates a pool of adipocyte progenitors and contributes to adiposity in a sex-dependent manner. Nat Commun 2024; 15:6622. [PMID: 39103342 DOI: 10.1038/s41467-024-50985-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 07/26/2024] [Indexed: 08/07/2024] Open
Abstract
Sex steroids modulate the distribution of mammalian white adipose tissues. Moreover, WAT remodeling requires adipocyte progenitor cells. Nevertheless, the sex-dependent mechanisms regulating adipocyte progenitors remain undetermined. Here, we uncover Cxcr4 acting in a sexually dimorphic manner to affect a pool of proliferating cells leading to restriction of female fat mass. We find that deletion of Cxcr4 in Pparγ-expressing cells results in female, not male, lipodystrophy, which cannot be restored by high-fat diet consumption. Additionally, Cxcr4 deletion is associated with a loss of a pool of proliferating adipocyte progenitors. Cxcr4 loss is accompanied by the upregulation of estrogen receptor alpha in adipose-derived PPARγ-labelled cells related to estradiol hypersensitivity and stalled adipogenesis. Estrogen removal or administration of antiestrogens restores WAT accumulation and dynamics of adipose-derived cells in Cxcr4-deficient mice. These findings implicate Cxcr4 as a female adipogenic rheostat, which may inform strategies to target female adiposity.
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Affiliation(s)
- Benjamin M Steiner
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, 14853, USA
| | - Abigail M Benvie
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, 14853, USA
| | - Derek Lee
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, 14853, USA
| | - Yuwei Jiang
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Daniel C Berry
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, 14853, USA.
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3
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McCartney EE, Chung Y, Buechler MB. Life of Pi: Exploring functions of Pi16+ fibroblasts. F1000Res 2024; 13:126. [PMID: 38919948 PMCID: PMC11196929 DOI: 10.12688/f1000research.143511.1] [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] [Accepted: 07/03/2024] [Indexed: 06/27/2024] Open
Abstract
Fibroblasts are mesenchymal cells that are responsible for creating and maintaining tissue architecture through the production of extracellular matrix. These cells also play critical roles in processes such as wound repair and immune modulation in normal tissues and various disease states including fibrosis, autoimmunity, and cancer. Fibroblasts have a complex repertoire of functions that vary by organ, inflammatory state, and the developmental stage of an organism. How fibroblasts manage so many functions in such a context-dependent manner represents a gap in our understanding of these cells. One possibility is that a tissue-resident precursor cell state exists that provides the fibroblast lineage with flexibility during growth, inflammation, or other contexts that require dynamic tissue changes. Recent work has suggested that a precursor fibroblast cell state is marked by expression of Peptidase inhibitor 16 ( Pi16). This review aims to concatenate and compare studies on fibroblasts that express Pi16 to clarify the roles of this cell state in fibroblast lineage development and other functions.
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Affiliation(s)
- Erika E. McCartney
- Department of Immunology, University of Toronto, Toronto, Ontario, M5S1A8, Canada
| | - Yein Chung
- Department of Immunology, University of Toronto, Toronto, Ontario, M5S1A8, Canada
| | - Matthew B. Buechler
- Department of Immunology, University of Toronto, Toronto, Ontario, M5S1A8, Canada
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4
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Lee D, Benvie AM, Steiner BM, Kolba NJ, Ford JG, McCabe SM, Jiang Y, Berry DC. Smooth muscle cell-derived Cxcl12 directs macrophage accrual and sympathetic innervation to control thermogenic adipose tissue. Cell Rep 2024; 43:114169. [PMID: 38678562 DOI: 10.1016/j.celrep.2024.114169] [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: 03/22/2024] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 05/01/2024] Open
Abstract
Sympathetic innervation of brown adipose tissue (BAT) controls mammalian adaptative thermogenesis. However, the cellular and molecular underpinnings contributing to BAT innervation remain poorly defined. Here, we show that smooth muscle cells (SMCs) support BAT growth, lipid utilization, and thermogenic plasticity. Moreover, we find that BAT SMCs express and control the bioavailability of Cxcl12. SMC deletion of Cxcl12 fosters brown adipocyte lipid accumulation, reduces energy expenditure, and increases susceptibility to diet-induced metabolic dysfunction. Mechanistically, we find that Cxcl12 stimulates CD301+ macrophage recruitment and supports sympathetic neuronal maintenance. Administering recombinant Cxcl12 to obese mice or leptin-deficient (Ob/Ob) mice is sufficient to boost macrophage presence and drive sympathetic innervation to restore BAT morphology and thermogenic responses. Altogether, our data reveal an SMC chemokine-dependent pathway linking immunological infiltration and sympathetic innervation as a rheostat for BAT maintenance and thermogenesis.
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Affiliation(s)
- Derek Lee
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Abigail M Benvie
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Benjamin M Steiner
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Nikolai J Kolba
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Josie G Ford
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Sean M McCabe
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Yuwei Jiang
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Daniel C Berry
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA.
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5
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Shi Z, Xiong S, Hu R, Wang Z, Park J, Qian Y, Wang J, Bhalla P, Velupally N, Song Q, Song Z, Jeon MS, Zhang KK, Xie L, Layden BT, Ong SG, Jiang Y. The Notch-PDGFRβ axis suppresses brown adipocyte progenitor differentiation in early post-natal mice. Dev Cell 2024; 59:1233-1251.e5. [PMID: 38569546 DOI: 10.1016/j.devcel.2024.03.012] [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: 05/23/2023] [Revised: 12/08/2023] [Accepted: 03/08/2024] [Indexed: 04/05/2024]
Abstract
De novo brown adipogenesis holds potential in combating the epidemics of obesity and diabetes. However, the identity of brown adipocyte progenitor cells (APCs) and their regulation have not been extensively explored. Here, through in vivo lineage tracing and mouse modeling, we observed that platelet-derived growth factor receptor beta (PDGFRβ)+ pericytes give rise to developmental brown adipocytes but not to those in adult homeostasis. By contrast, T-box 18 (TBX18)+ pericytes contribute to brown adipogenesis throughout both developmental and adult stages, though in a depot-specific manner. Mechanistically, Notch inhibition in PDGFRβ+ pericytes promotes brown adipogenesis by downregulating PDGFRβ. Furthermore, inhibition of Notch signaling in PDGFRβ+ pericytes mitigates high-fat, high-sucrose (HFHS)-induced glucose and metabolic impairment in mice during their development and juvenile phases. Collectively, these findings show that the Notch/PDGFRβ axis negatively regulates developmental brown adipogenesis, and its repression promotes brown adipose tissue expansion and improves metabolic health.
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Affiliation(s)
- Zuoxiao Shi
- Department of Physiology and Biophysics, College of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA; Department of Pharmaceutical Sciences, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Shaolei Xiong
- Department of Microbiology and Immunology, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Ruoci Hu
- Department of Physiology and Biophysics, College of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA; Department of Pharmaceutical Sciences, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Zilai Wang
- Department of Microbiology and Immunology, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Jooman Park
- Department of Physiology and Biophysics, College of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Yanyu Qian
- Department of Physiology and Biophysics, College of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Jaden Wang
- Department of Physiology and Biophysics, College of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Pratibha Bhalla
- Department of Physiology and Biophysics, College of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Nipun Velupally
- Department of Physiology and Biophysics, College of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Qing Song
- Department of Kinesiology and Nutrition, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Zhenyuan Song
- Department of Kinesiology and Nutrition, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Minsun Stacey Jeon
- Texas A&M Health Science Center, Institute of Biosciences and Technology, Houston, TX 77030, USA
| | - Ke Kurt Zhang
- Texas A&M Health Science Center, Institute of Biosciences and Technology, Houston, TX 77030, USA
| | - Linlin Xie
- Department of Nutrition, Texas A&M University, College Station, TX 77845, USA
| | - Brian T Layden
- Division of Endocrinology, Department of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA; Jesse Brown Medical VA Medical Center, Chicago, IL 60612, USA
| | - Sang-Ging Ong
- Department of Pharmacology and Regenerative Medicine, College of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA; Division of Cardiology, Department of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Yuwei Jiang
- Department of Physiology and Biophysics, College of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA; Department of Pharmaceutical Sciences, University of Illinois Chicago, Chicago, IL 60612, USA; Division of Endocrinology, Department of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA.
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6
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Benvie AM, Lee D, Jiang Y, Berry DC. Platelet-derived growth factor receptor beta is required for embryonic specification and confinement of the adult white adipose lineage. iScience 2024; 27:108682. [PMID: 38235323 PMCID: PMC10792241 DOI: 10.1016/j.isci.2023.108682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/31/2023] [Accepted: 12/05/2023] [Indexed: 01/19/2024] Open
Abstract
White adipose tissue (WAT) development and adult homeostasis rely on distinct adipocyte progenitor cells (APCs). While adult APCs are defined early during embryogenesis and generate adipocytes after WAT organogenesis, the mechanisms underlying adult adipose lineage determination and preservation remain undefined. Here, we uncover a critical role for platelet-derived growth factor receptor beta (Pdgfrβ) in identifying the adult APC lineage. Without Pdgfrβ, APCs lose their adipogenic competency to incite fibrotic tissue replacement and inflammation. Through lineage tracing analysis, we reveal that the adult APC lineage is lost and develops into macrophages when Pdgfrβ is deleted embryonically. Moreover, to maintain the APC lineage, Pdgfrβ activation stimulates p38/MAPK phosphorylation to promote APC proliferation and maintains the APC state by phosphorylating peroxisome proliferator activated receptor gamma (Pparγ) at serine 112. Together, our findings identify a role for Pdgfrβ acting as a rheostat for adult adipose lineage confinement to prevent unintended lineage switches.
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Affiliation(s)
- Abigail M. Benvie
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Derek Lee
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Yuwei Jiang
- Department of Physiology and Biophysics, University of Illinois College of Medicine at Chicago, Chicago, IL 60612, USA
| | - Daniel C. Berry
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA
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7
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Picoli CDC, Birbrair A, Li Z. Pericytes as the Orchestrators of Vasculature and Adipogenesis. Genes (Basel) 2024; 15:126. [PMID: 38275607 PMCID: PMC10815550 DOI: 10.3390/genes15010126] [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: 12/19/2023] [Revised: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024] Open
Abstract
Pericytes (PCs) are located surrounding the walls of small blood vessels, particularly capillaries and microvessels. In addition to their functions in maintaining vascular integrity, participating in angiogenesis, and regulating blood flow, PCs also serve as a reservoir for multi-potent stem/progenitor cells in white, brown, beige, and bone marrow adipose tissues. Due to the complex nature of this cell population, the identification and characterization of PCs has been challenging. A comprehensive understanding of the heterogeneity of PCs may enhance their potential as therapeutic targets for metabolic syndromes or bone-related diseases. This mini-review summarizes multiple PC markers commonly employed in lineage-tracing studies, with an emphasis on their contribution to adipogenesis and functions in different adipose depots under diverse metabolic conditions.
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Affiliation(s)
| | - Alexander Birbrair
- Department of Dermatology, University of Wisconsin-Madison, Medical Sciences Center, Madison, WI 53706, USA;
| | - Ziru Li
- Center for Molecular Medicine, MaineHealth Institute for Research, Scarborough, ME 04074, USA;
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8
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Singh RD, Wager JL, Scheidl TB, Connors LT, Easson S, Callaghan MA, Alatorre-Hinojosa S, Swift LH, Colarusso P, Jadli A, Shutt TE, Patel V, Thompson JA. Potentiation of Adipogenesis by Reactive Oxygen Species Is a Unifying Mechanism in the Proadipogenic Properties of Bisphenol A and Its New Structural Analogues. Antioxid Redox Signal 2024; 40:1-15. [PMID: 37154733 DOI: 10.1089/ars.2022.0150] [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] [Indexed: 05/10/2023]
Abstract
Aims: Structural analogues of bisphenol A (BPA), including bisphenol S (BPS) and bisphenol F (BPF), are emerging environmental toxicants as their presence in the environment is rising since new regulatory restrictions were placed on BPA-containing infant products. The adipogenesis-enhancing effect of bisphenols may explain the link between human exposure and metabolic disease; however, underlying molecular pathways remain unresolved. Results: Exposure to BPS, BPF, BPA, or reactive oxygen species (ROS) generators enhanced lipid droplet formation and expression of adipogenic markers after induction of differentiation in adipose-derived progenitors isolated from mice. RNAseq analysis in BPS-exposed progenitors revealed modulation in pathways regulating adipogenesis and responses to oxidative stress. ROS were higher in bisphenol-exposed cells, while cotreatment with antioxidants attenuated adipogenesis and abolished the effect of BPS. There was a loss of mitochondrial membrane potential in BPS-exposed cells and mitochondria-derived ROS contributed to the potentiation of adipogenesis by BPS and its analogues. Male mice exposed to BPS during gestation had higher whole-body adiposity, as measured by time domain nuclear magnetic resonance, while postnatal exposure had no impact on adiposity in either sex. Innovation: These findings support existing evidence showing a role for ROS in regulating adipocyte differentiation and are the first to highlight ROS as a unifying mechanism that explains the proadipogenic properties of BPA and its structural analogues. Conclusion: ROS act as signaling molecules in the regulation of adipocyte differentiation and mediate bisphenol-induced potentiation of adipogenesis. Antioxid. Redox Signal. 40, 1-15.
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Affiliation(s)
- Radha D Singh
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Libin Cardiovascular Institute, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada
| | - Jessica L Wager
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Libin Cardiovascular Institute, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada
| | - Taylor B Scheidl
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Libin Cardiovascular Institute, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada
| | - Liam T Connors
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Libin Cardiovascular Institute, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada
| | - Sarah Easson
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Libin Cardiovascular Institute, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada
| | - Mikyla A Callaghan
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada
| | | | - Lucy H Swift
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Canada
| | - Pina Colarusso
- Cumming School of Medicine, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Canada
| | - Anshul Jadli
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Libin Cardiovascular Institute, University of Calgary, Calgary, Canada
| | - Timothy E Shutt
- Cumming School of Medicine, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada
- Department of Medical Genetics and University of Calgary, Calgary, Canada
- Department of Biochemistry and Molecular Biology, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Hotchkiss Brain Institute, University of Calgary, Calgary, Canada
| | - Vaibhav Patel
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Libin Cardiovascular Institute, University of Calgary, Calgary, Canada
| | - Jennifer A Thompson
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Libin Cardiovascular Institute, University of Calgary, Calgary, Canada
- Cumming School of Medicine, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada
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9
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Xining Z, Sai L. The Evolving Function of Vasculature and Pro-angiogenic Therapy in Fat Grafting. Cell Transplant 2024; 33:9636897241264976. [PMID: 39056562 PMCID: PMC11282510 DOI: 10.1177/09636897241264976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 05/31/2024] [Accepted: 06/05/2024] [Indexed: 07/28/2024] Open
Abstract
Autologous fat grating is a widely-accepted method to correct soft tissue deficiency. Although fat transplantation shows excellent biocompatibility and simple applicability, the relatively low retention rate caused by fat necrosis is still a challenge. The vasculature is integral after fat grafting, serving multiple crucial functions. Rapid and effective angiogenesis within grafts is essential for supplying oxygen necessary for adipocytes' survival. It facilitates the influx of inflammatory cells to remove necrotic adipocytes and aids in the delivery of regenerative cells for adipose tissue regeneration in fat grafts. The vasculature also provides a niche for interaction between adipose progenitor cells and vascular progenitor cells, enhancing angiogenesis and adipogenesis in grafts. Various methods, such as enriching grafts with diverse pro-angiogenic cells or utilizing cell-free approaches, have been employed to enhance angiogenesis. Beige and dedifferentiated adipocytes in grafts could increase vessel density. This review aims to outline the function of vasculature in fat grafting and discuss different cell or cell-free approaches that can enhance angiogenesis following fat grafting.
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Affiliation(s)
- Zhang Xining
- The Plastic and Aesthetic Center, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Luo Sai
- The Plastic and Aesthetic Center, The First Affiliated Hospital of Harbin Medical University, Harbin, China
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10
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Lecoutre S, Maqdasy S, Lambert M, Breton C. The Impact of Maternal Obesity on Adipose Progenitor Cells. Biomedicines 2023; 11:3252. [PMID: 38137473 PMCID: PMC10741630 DOI: 10.3390/biomedicines11123252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/01/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
The concept of Developmental Origin of Health and Disease (DOHaD) postulates that adult-onset metabolic disorders may originate from suboptimal conditions during critical embryonic and fetal programming windows. In particular, nutritional disturbance during key developmental stages may program the set point of adiposity and its associated metabolic diseases later in life. Numerous studies in mammals have reported that maternal obesity and the resulting accelerated growth in neonates may affect adipocyte development, resulting in persistent alterations in adipose tissue plasticity (i.e., adipocyte proliferation and storage) and adipocyte function (i.e., insulin resistance, impaired adipokine secretion, reduced thermogenesis, and higher inflammation) in a sex- and depot-specific manner. Over recent years, adipose progenitor cells (APCs) have been shown to play a crucial role in adipose tissue plasticity, essential for its development, maintenance, and expansion. In this review, we aim to provide insights into the developmental timeline of lineage commitment and differentiation of APCs and their role in predisposing individuals to obesity and metabolic diseases. We present data supporting the possible implication of dysregulated APCs and aberrant perinatal adipogenesis through epigenetic mechanisms as a primary mechanism responsible for long-lasting adipose tissue dysfunction in offspring born to obese mothers.
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Affiliation(s)
- Simon Lecoutre
- Nutrition and Obesities: Systemic Approach Research Group, Nutriomics, Sorbonne Université, INSERM, F-75013 Paris, France
| | - Salwan Maqdasy
- Department of Medicine (H7), Karolinska Institutet Hospital, C2-94, 14186 Stockholm, Sweden;
| | - Mélanie Lambert
- U978 Institut National de la Santé et de la Recherche Médicale, F-93022 Bobigny, France;
- Université Sorbonne Paris Nord, Alliance Sorbonne Paris Cité, Labex Inflamex, F-93000 Bobigny, France
| | - Christophe Breton
- Maternal Malnutrition and Programming of Metabolic Diseases, Université de Lille, EA4489, F-59000 Lille, France
- U1283-UMR8199-EGID, Université de Lille, INSERM, CNRS, CHU Lille, Institut Pasteur de Lille, F-59000 Lille, France
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11
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AlZaim I, de Rooij LPMH, Sheikh BN, Börgeson E, Kalucka J. The evolving functions of the vasculature in regulating adipose tissue biology in health and obesity. Nat Rev Endocrinol 2023; 19:691-707. [PMID: 37749386 DOI: 10.1038/s41574-023-00893-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/17/2023] [Indexed: 09/27/2023]
Abstract
Adipose tissue is an endocrine organ and a crucial regulator of energy storage and systemic metabolic homeostasis. Additionally, adipose tissue is a pivotal regulator of cardiovascular health and disease, mediated in part by the endocrine and paracrine secretion of several bioactive products, such as adipokines. Adipose vasculature has an instrumental role in the modulation of adipose tissue expansion, homeostasis and metabolism. The role of the adipose vasculature has been extensively explored in the context of obesity, which is recognized as a global health problem. Obesity-induced accumulation of fat, in combination with vascular rarefaction, promotes adipocyte dysfunction and induces oxidative stress, hypoxia and inflammation. It is now recognized that obesity-associated endothelial dysfunction often precedes the development of cardiovascular diseases. Investigations have revealed heterogeneity within the vascular niche and dynamic reciprocity between vascular and adipose cells, which can become dysregulated in obesity. Here we provide a comprehensive overview of the evolving functions of the vasculature in regulating adipose tissue biology in health and obesity.
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Affiliation(s)
- Ibrahim AlZaim
- Department of Biomedicine, Aarhus University, Aarhus C, Denmark
- Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark
| | - Laura P M H de Rooij
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Bilal N Sheikh
- Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG) of the Helmholtz Center Munich, Leipzig, Germany
- Medical Faculty, University of Leipzig, Leipzig, Germany
| | - Emma Börgeson
- Department of Biomedicine, Aarhus University, Aarhus C, Denmark
- Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Immunology and Transfusion Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Joanna Kalucka
- Department of Biomedicine, Aarhus University, Aarhus C, Denmark.
- Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark.
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12
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Palacios-Marin I, Serra D, Jiménez-Chillarón JC, Herrero L, Todorčević M. Childhood obesity: Implications on adipose tissue dynamics and metabolic health. Obes Rev 2023; 24:e13627. [PMID: 37608466 DOI: 10.1111/obr.13627] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 07/20/2023] [Accepted: 07/23/2023] [Indexed: 08/24/2023]
Abstract
Obesity is the leading risk factor for the development of type 2 diabetes and cardiovascular diseases. Childhood obesity represents an alarming health challenge because children with obesity are prone to remain with obesity throughout their life and have an increased morbidity and mortality risk. The ability of adipose tissue to store lipids and expand in size during excessive calorie intake is its most remarkable characteristic. Cellular and lipid turnovers determine adipose tissue size and are closely related with metabolic status. The mechanisms through which adipose tissue expands and how this affects systemic metabolic homeostasis are still poorly characterized. Furthermore, the mechanism through which increased adiposity extends from childhood to adulthood and its implications in metabolic health are in most part, still unknown. More studies on adipose tissue development in healthy and children with obesity are urgently needed. In the present review, we summarize the dynamics of white adipose tissue, from developmental origins to the mechanisms that allows it to grow and expand throughout lifetime and during obesity in children and in different mouse models used to address this largely unknown field. Specially, highlighting the role that excessive adiposity during the early life has on future's adipose tissue dynamics and individual's health.
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Affiliation(s)
- Ivonne Palacios-Marin
- Endocrinology Department, Institut de Recerca Sant Joan de Déu, Barcelona, Spain
- Department of Biochemistry and Physiology, School of Pharmacy and Food Sciences, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona (UB), Barcelona, Spain
| | - Dolors Serra
- Department of Biochemistry and Physiology, School of Pharmacy and Food Sciences, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona (UB), Barcelona, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Josep C Jiménez-Chillarón
- Endocrinology Department, Institut de Recerca Sant Joan de Déu, Barcelona, Spain
- Department of Physiological Sciences, School of Medicine, Universitat de Barcelona, L'Hospitalet de Llobregat, Catalonia, Spain
| | - Laura Herrero
- Department of Biochemistry and Physiology, School of Pharmacy and Food Sciences, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona (UB), Barcelona, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Marijana Todorčević
- Department of Biochemistry and Physiology, School of Pharmacy and Food Sciences, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona (UB), Barcelona, Spain
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13
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Phan QM, Salz L, Kindl SS, Lopez JS, Thompson SM, Makkar J, Driskell IM, Driskell RR. Lineage commitment of dermal fibroblast progenitors is controlled by Kdm6b-mediated chromatin demethylation. EMBO J 2023; 42:e113880. [PMID: 37602956 PMCID: PMC10548174 DOI: 10.15252/embj.2023113880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 07/26/2023] [Accepted: 08/01/2023] [Indexed: 08/22/2023] Open
Abstract
Dermal Fibroblast Progenitors (DFPs) differentiate into distinct fibroblast lineages during skin development. However, the epigenetic mechanisms that regulate DFP differentiation are not known. Our objective was to use multimodal single-cell approaches, epigenetic assays, and allografting techniques to define a DFP state and the mechanism that governs its differentiation potential. Our initial results indicated that the overall transcription profile of DFPs is repressed by H3K27me3 and has inaccessible chromatin at lineage-specific genes. Surprisingly, the repressive chromatin profile of DFPs renders them unable to reform the skin in allograft assays despite their multipotent potential. We hypothesized that chromatin derepression was modulated by the H3K27me3 demethylase, Kdm6b/Jmjd3. Dermal fibroblast-specific deletion of Kdm6b/Jmjd3 in mice resulted in adipocyte compartment ablation and inhibition of mature dermal papilla functions, confirmed by additional single-cell RNA-seq, ChIP-seq, and allografting assays. We conclude that DFPs are functionally derepressed during murine skin development by Kdm6b/Jmjd3. Our studies therefore reveal a multimodal understanding of how DFPs differentiate into distinct fibroblast lineages and provide a novel publicly available multiomics search tool.
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Affiliation(s)
- Quan M Phan
- School of Molecular BiosciencesWashington State UniversityPullmanWAUSA
| | - Lucia Salz
- North Rhine‐Westphalia Technical University of AachenAachenGermany
| | - Sam S Kindl
- School of Molecular BiosciencesWashington State UniversityPullmanWAUSA
| | - Jayden S Lopez
- School of Molecular BiosciencesWashington State UniversityPullmanWAUSA
| | - Sean M Thompson
- School of Molecular BiosciencesWashington State UniversityPullmanWAUSA
| | - Jasson Makkar
- School of Molecular BiosciencesWashington State UniversityPullmanWAUSA
| | - Iwona M Driskell
- School of Molecular BiosciencesWashington State UniversityPullmanWAUSA
| | - Ryan R Driskell
- School of Molecular BiosciencesWashington State UniversityPullmanWAUSA
- Center for Reproductive BiologyWashington State UniversityPullmanWAUSA
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14
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Singh P, Ali SA. Mature white adipocyte plasticity during mammary gland remodelling and cancer. CELL INSIGHT 2023; 2:100123. [PMID: 37771567 PMCID: PMC10522874 DOI: 10.1016/j.cellin.2023.100123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 08/15/2023] [Accepted: 08/15/2023] [Indexed: 09/30/2023]
Abstract
Mammary gland growth and differentiation predominantly rely on stromal-epithelial cellular communication. Specifically, mammary adipocytes play a crucial role in ductal morphogenesis, as well as in the proliferation and differentiation of mammary epithelial cells. The process of lactation entails a reduction in the levels of white adipose tissue associated with the MG, allowing for the expansion of milk-producing epithelial cells. Subsequently, during involution and the regression of the milk-producing unit, adipocyte layers resurface, occupying the vacated space. This dynamic phenomenon underscores the remarkable plasticity and expansion of adipose tissue. Traditionally considered terminally differentiated, adipocytes have recently been found to exhibit plasticity in certain contexts. Unraveling the significance of this cell type within the MG could pave the way for novel approaches to reduce the risk of breast cancer and enhance lactation performance. Moreover, a comprehensive understanding of adipocyte trans- and de-differentiation processes holds promise for the development of innovative therapeutic interventions targeting cancer, fibrosis, obesity, type 2 diabetes, and other related diseases. Additionally, adipocytes may find utility in the realm of regenerative medicine. This review article provides a comprehensive examination of recent advancements in our understanding of MG remodelling, with a specific focus on the tissue-specific functions of adipocytes and their role in the development of cancer. By synthesizing current knowledge in this field, it aims to consolidate our understanding of adipocyte biology within the context of mammary gland biology, thereby fostering further research and discovery in this vital area.
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Affiliation(s)
- Parul Singh
- Cell Biology and Proteomics Lab, Animal Biotechnology Center, ICAR-NDRI, 132001, India
- Division of Radiation Oncology, MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Syed Azmal Ali
- Cell Biology and Proteomics Lab, Animal Biotechnology Center, ICAR-NDRI, 132001, India
- Division Proteomics of Stem Cells and Cancer, German Cancer Research Center, 69120, Heidelberg, Germany
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15
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Yuan Y, Shi Z, Xiong S, Hu R, Song Q, Song Z, Ong SG, Jiang Y. Differential roles of insulin receptor in adipocyte progenitor cells in mice. Mol Cell Endocrinol 2023; 573:111968. [PMID: 37244600 PMCID: PMC10846871 DOI: 10.1016/j.mce.2023.111968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 05/17/2023] [Accepted: 05/18/2023] [Indexed: 05/29/2023]
Abstract
The development of white adipose tissue (WAT) occurs during distinct embryonic and postnatal stages, and it is subsequently maintained throughout life. However, the specific mediators and mechanisms responsible for WAT development during different phases remain unclear. In this study, we investigate the role of the insulin receptor (IR) in regulating adipogenesis and adipocyte function within adipocyte progenitor cells (APCs) during WAT development and homeostasis. We use two in vivo adipose lineage tracking and deletion systems to delete IR either in embryonic APCs or adult APCs, respectively, to explore the specific requirements of IR during WAT development and WAT homeostasis in mice. Our data suggest that IR expression in APCs may not be essential for adult adipocyte differentiation but appears to be crucial for adipose tissue development. We reveal a surprising divergent role of IR in APCs during WAT development and homeostasis.
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Affiliation(s)
- Yexian Yuan
- Guangdong Laboratory of Lingnan Modern Agriculture, Guangdong Province Key Laboratory of Animal Nutritional Regulation and National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China; Department of Physiology and Biophysics, The University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Zuoxiao Shi
- Department of Physiology and Biophysics, The University of Illinois at Chicago, Chicago, IL, 60612, USA; Department of Pharmaceutical Sciences, The University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Shaolei Xiong
- Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Ruoci Hu
- Department of Physiology and Biophysics, The University of Illinois at Chicago, Chicago, IL, 60612, USA; Department of Pharmaceutical Sciences, The University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Qing Song
- Department of Kinesiology and Nutrition, The University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Zhenyuan Song
- Department of Kinesiology and Nutrition, The University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Sang-Ging Ong
- Department of Pharmacology and Regenerative Medicine, College of Medicine, The University of Illinois at Chicago, Illinois, 60612, USA; Division of Cardiology, Department of Medicine, The University of Illinois College of Medicine, Illinois, 60612, USA
| | - Yuwei Jiang
- Department of Physiology and Biophysics, The University of Illinois at Chicago, Chicago, IL, 60612, USA; Department of Pharmaceutical Sciences, The University of Illinois at Chicago, Chicago, IL, 60612, USA; Division of Endocrinology, Department of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA.
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16
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Rivera-Gonzalez GC, Butka EG, Gonzalez CE, Kong W, Jindal K, Morris SA. Single-cell lineage tracing reveals hierarchy and mechanism of adipocyte precursor maturation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.01.543318. [PMID: 37398135 PMCID: PMC10312565 DOI: 10.1101/2023.06.01.543318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
White adipose tissue is crucial in various physiological processes. In response to high caloric intake, adipose tissue may expand by generating new adipocytes. Adipocyte precursor cells (progenitors and preadipocytes) are essential for generating mature adipocytes, and single-cell RNA sequencing provides new means to identify these populations. Here, we characterized adipocyte precursor populations in the skin, an adipose depot with rapid and robust generation of mature adipocytes. We identified a new population of immature preadipocytes, revealed a biased differentiation potential of progenitor cells, and identified Sox9 as a critical factor in driving progenitors toward adipose commitment, the first known mechanism of progenitor differentiation. These findings shed light on the specific dynamics and molecular mechanisms underlying rapid adipogenesis in the skin.
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Affiliation(s)
- Guillermo C. Rivera-Gonzalez
- Department of Developmental Biology, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
- Department of Genetics, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
- Center of Regenerative Medicine, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
| | - Emily G. Butka
- Department of Developmental Biology, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
- Department of Genetics, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
- Center of Regenerative Medicine, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
| | - Carolynn E. Gonzalez
- Department of Developmental Biology, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
- Department of Genetics, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
- Center of Regenerative Medicine, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
| | - Wenjun Kong
- Department of Developmental Biology, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
- Department of Genetics, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
- Center of Regenerative Medicine, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
| | - Kunal Jindal
- Department of Developmental Biology, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
- Department of Genetics, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
- Center of Regenerative Medicine, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
| | - Samantha A. Morris
- Department of Developmental Biology, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
- Department of Genetics, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
- Center of Regenerative Medicine, Washington University School of Medicine; 660 S. Euclid Avenue, St. Louis, MO 63110, USA
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17
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Shi Z, Xiong S, Hu R, Wang Z, Park J, Qian Y, Wang J, Bhalla P, Velupally N, Song Q, Song Z, Layden BT, Jiang Y. The Notch-Pdgfrβ axis suppresses brown adipocyte progenitor differentiation in early postnatal mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.24.541839. [PMID: 37293108 PMCID: PMC10245810 DOI: 10.1101/2023.05.24.541839] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
De novo brown adipogenesis holds potential in combating the epidemics of obesity and diabetes. However, the identity of brown adipocyte progenitor cells (APCs) and their regulation have not been extensively studied. Here through in vivo lineage tracing, we observed that PDGFRβ+ pericytes give rise to developmental brown adipocytes, but not to those in adult homeostasis. In contrast, TBX18+ pericytes contribute to brown adipogenesis throughout both developmental and adult stages, though in a depot-specific manner. Mechanistically, Notch inhibition in PDGFRβ+ pericytes promotes brown adipogenesis through the downregulation of PDGFRβ. Furthermore, inhibition of Notch signaling in PDGFRβ+ pericytes mitigates HFHS (high-fat, high-sucrose) induced glucose and metabolic impairment in both developmental and adult stages. Collectively, these findings show that the Notch/PDGFRβ axis negatively regulates developmental brown adipogenesis, and its repression promotes brown adipose tissue expansion and improves metabolic health. Highlights PDGFRβ+ pericytes act as an essential developmental brown APC.TBX18+ pericytes contribute to brown adipogenesis in a depot-specific manner.Inhibiting Notch-Pdgfrβ axis promotes brown APC adipogenesis.Enhanced postnatal brown adipogenesis improves metabolic health in adult stage.
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18
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Benvie AM, Lee D, Steiner BM, Xue S, Jiang Y, Berry DC. Age-dependent Pdgfrβ signaling drives adipocyte progenitor dysfunction to alter the beige adipogenic niche in male mice. Nat Commun 2023; 14:1806. [PMID: 37002214 PMCID: PMC10066302 DOI: 10.1038/s41467-023-37386-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 03/15/2023] [Indexed: 04/04/2023] Open
Abstract
Perivascular adipocyte progenitor cells (APCs) can generate cold temperature-induced thermogenic beige adipocytes within white adipose tissue (WAT), an effect that could counteract excess fat mass and metabolic pathologies. Yet, the ability to generate beige adipocytes declines with age, creating a key challenge for their therapeutic potential. Here we show that ageing beige APCs overexpress platelet derived growth factor receptor beta (Pdgfrβ) to prevent beige adipogenesis. We show that genetically deleting Pdgfrβ, in adult male mice, restores beige adipocyte generation whereas activating Pdgfrβ in juvenile mice blocks beige fat formation. Mechanistically, we find that Stat1 phosphorylation mediates Pdgfrβ beige APC signaling to suppress IL-33 induction, which dampens immunological genes such as IL-13 and IL-5. Moreover, pharmacologically targeting Pdgfrβ signaling restores beige adipocyte development by rejuvenating the immunological niche. Thus, targeting Pdgfrβ signaling could be a strategy to restore WAT immune cell function to stimulate beige fat in adult mammals.
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Affiliation(s)
- Abigail M Benvie
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, 14853, USA
| | - Derek Lee
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, 14853, USA
| | - Benjamin M Steiner
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, 14853, USA
| | - Siwen Xue
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, 14853, USA
| | - Yuwei Jiang
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Daniel C Berry
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, 14853, USA.
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19
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Xue S, Lee D, Berry DC. Thermogenic adipose tissue in energy regulation and metabolic health. Front Endocrinol (Lausanne) 2023; 14:1150059. [PMID: 37020585 PMCID: PMC10067564 DOI: 10.3389/fendo.2023.1150059] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 03/07/2023] [Indexed: 04/07/2023] Open
Abstract
The ability to generate thermogenic fat could be a targeted therapy to thwart obesity and improve metabolic health. Brown and beige adipocytes are two types of thermogenic fat cells that regulate energy balance. Both adipocytes share common morphological, biochemical, and thermogenic properties. Yet, recent evidence suggests unique features exist between brown and beige adipocytes, such as their cellular origin and thermogenic regulatory processes. Beige adipocytes also appear highly plastic, responding to environmental stimuli and interconverting between beige and white adipocyte states. Additionally, beige adipocytes appear to be metabolically heterogenic and have substrate specificity. Nevertheless, obese and aged individuals cannot develop beige adipocytes in response to thermogenic fat-inducers, creating a key clinical hurdle to their therapeutic promise. Thus, elucidating the underlying developmental, molecular, and functional mechanisms that govern thermogenic fat cells will improve our understanding of systemic energy regulation and strive for new targeted therapies to generate thermogenic fat. This review will examine the recent advances in thermogenic fat biogenesis, molecular regulation, and the potential mechanisms for their failure.
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Affiliation(s)
| | | | - Daniel C. Berry
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, United States
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20
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Phan QM, Salz L, Kindl SS, Lopez JS, Thompson SM, Makkar J, Driskell IM, Driskell RR. Lineage Commitment of Dermal Fibroblast Progenitors is Mediated by Chromatin De-repression. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.07.531478. [PMID: 36945417 PMCID: PMC10028926 DOI: 10.1101/2023.03.07.531478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Dermal Fibroblast Progenitors (DFPs) differentiate into distinct fibroblast lineages during skin development. However, the mechanisms that regulate lineage commitment of naive dermal progenitors to form niches around the hair follicle, dermis, and hypodermis, are unknown. In our study, we used multimodal single-cell approaches, epigenetic assays, and allografting techniques to define a DFP state and the mechanisms that govern its differentiation potential. Our results indicate that the overall chromatin profile of DFPs is repressed by H3K27me3 and has inaccessible chromatin at lineage specific genes. Surprisingly, the repressed chromatin profile of DFPs renders them unable to reform skin in allograft assays despite their multipotent potential. Distinct fibroblast lineages, such as the dermal papilla and adipocytes contained specific chromatin profiles that were de-repressed during late embryogenesis by the H3K27-me3 demethylase, Kdm6b/Jmjd3. Tissue-specific deletion of Kdm6b/Jmjd3 resulted in ablating the adipocyte compartment and inhibiting mature dermal papilla functions in single-cell-RNA-seq, ChIPseq, and allografting assays. Altogether our studies reveal a mechanistic multimodal understanding of how DFPs differentiate into distinct fibroblast lineages, and we provide a novel multiomic search-tool within skinregeneration.org.
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Affiliation(s)
- Quan M. Phan
- School of Molecular Biosciences, Washington State University, Pullman, WA
| | - Lucia Salz
- North Rhine-Westphalia Technical University of Aachen, Aachen, Germany
| | - Sam S. Kindl
- School of Molecular Biosciences, Washington State University, Pullman, WA
| | - Jayden S. Lopez
- School of Molecular Biosciences, Washington State University, Pullman, WA
| | - Sean M. Thompson
- School of Molecular Biosciences, Washington State University, Pullman, WA
| | - Jasson Makkar
- School of Molecular Biosciences, Washington State University, Pullman, WA
| | - Iwona M. Driskell
- School of Molecular Biosciences, Washington State University, Pullman, WA
| | - Ryan R. Driskell
- School of Molecular Biosciences, Washington State University, Pullman, WA
- Center for Reproductive Biology, Washington State University, Pullman, WA
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21
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Scheidl TB, Brightwell AL, Easson SH, Thompson JA. Maternal obesity and programming of metabolic syndrome in the offspring: searching for mechanisms in the adipocyte progenitor pool. BMC Med 2023; 21:50. [PMID: 36782211 PMCID: PMC9924890 DOI: 10.1186/s12916-023-02730-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 01/09/2023] [Indexed: 02/15/2023] Open
Abstract
BACKGROUND It is now understood that it is the quality rather than the absolute amount of adipose tissue that confers risk for obesity-associated disease. Adipose-derived stem cells give rise to adipocytes during the developmental establishment of adipose depots. In adult depots, a reservoir of progenitors serves to replace adipocytes that have reached their lifespan and for recruitment to increase lipid buffering capacity under conditions of positive energy balance. MAIN: The adipose tissue expandability hypothesis posits that a failure in de novo differentiation of adipocytes limits lipid storage capacity and leads to spillover of lipids into the circulation, precipitating the onset of obesity-associated disease. Since adipose progenitors are specified to their fate during late fetal life, perturbations in the intrauterine environment may influence the rapid expansion of adipose depots that occurs in childhood or progenitor function in established adult depots. Neonates born to mothers with obesity or diabetes during pregnancy tend to have excessive adiposity at birth and are at increased risk for childhood adiposity and cardiometabolic disease. CONCLUSION In this narrative review, we synthesize current knowledge in the fields of obesity and developmental biology together with literature from the field of the developmental origins of health and disease (DOHaD) to put forth the hypothesis that the intrauterine milieu of pregnancies complicated by maternal metabolic disease disturbs adipogenesis in the fetus, thereby accelerating the trajectory of adipose expansion in early postnatal life and predisposing to impaired adipose plasticity.
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Affiliation(s)
- Taylor B Scheidl
- Cumming School of Medicine, Calgary, Canada.,Alberta Children's Hospital Research Institute, Calgary, Canada.,Libin Cardiovascular Institute, Calgary, Canada.,University of Calgary, 3330 Hospital Dr. NW, Calgary, AB, T2N 4N1, Canada
| | - Amy L Brightwell
- University of Calgary, 3330 Hospital Dr. NW, Calgary, AB, T2N 4N1, Canada
| | - Sarah H Easson
- Cumming School of Medicine, Calgary, Canada.,University of Calgary, 3330 Hospital Dr. NW, Calgary, AB, T2N 4N1, Canada
| | - Jennifer A Thompson
- Cumming School of Medicine, Calgary, Canada. .,Alberta Children's Hospital Research Institute, Calgary, Canada. .,Libin Cardiovascular Institute, Calgary, Canada. .,University of Calgary, 3330 Hospital Dr. NW, Calgary, AB, T2N 4N1, Canada.
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22
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Varshney R, Das S, Trahan GD, Farriester JW, Mullen GP, Kyere-Davies G, Presby DM, Houck JA, Webb PG, Dzieciatkowska M, Jones KL, Rodeheffer MS, Friedman JE, MacLean PS, Rudolph MC. Neonatal intake of Omega-3 fatty acids enhances lipid oxidation in adipocyte precursors. iScience 2023; 26:105750. [PMID: 36590177 PMCID: PMC9800552 DOI: 10.1016/j.isci.2022.105750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 09/26/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Establishing metabolic programming begins during fetal and postnatal development, and early-life lipid exposures play a critical role during neonatal adipogenesis. We define how neonatal consumption of a low omega-6 to -3 fatty acid ratio (n6/n3 FA ratio) establishes FA oxidation in adipocyte precursor cells (APCs) before they become adipocytes. In vivo, APCs isolated from mouse pups exposed to the low n6/n3 FA ratio had superior FA oxidation capacity, elevated beige adipocyte mRNAs Ppargc1α, Ucp2, and Runx1, and increased nuclear receptor NR2F2 protein. In vitro, APC treatment with NR2F2 ligand-induced beige adipocyte mRNAs and increased mitochondrial potential but not mass. Single-cell RNA-sequencing analysis revealed low n6/n3 FA ratio yielded more mitochondrial-high APCs and linked APC NR2F2 levels with beige adipocyte signatures and FA oxidation. Establishing beige adipogenesis is of clinical relevance, because fat depots with energetically active, smaller, and more numerous adipocytes improve metabolism and delay metabolic dysfunction.
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Affiliation(s)
- Rohan Varshney
- Harold Hamm Diabetes Center and Department of Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Snehasis Das
- Harold Hamm Diabetes Center and Department of Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - G. Devon Trahan
- Department of Pediatrics, University of Colorado Denver Anschutz Medical Campus, Aurora, CO, USA
| | - Jacob W. Farriester
- Harold Hamm Diabetes Center and Department of Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Gregory P. Mullen
- Harold Hamm Diabetes Center and Department of Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Gertrude Kyere-Davies
- Harold Hamm Diabetes Center and Department of Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - David M. Presby
- Division of Endocrinology, Metabolism and Diabetes, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, CO, USA
| | - Julie A. Houck
- Division of Endocrinology, Metabolism and Diabetes, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, CO, USA
| | - Patricia G. Webb
- Department of Reproductive Science, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, CO, USA
| | - Monika Dzieciatkowska
- Department of Biochemistry & Molecular Genetics, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, CO, USA
| | - Kenneth L. Jones
- Department of Cell Biology and Harold Hamm Diabetes Center, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Matthew S. Rodeheffer
- Department of Molecular, Cellular and Developmental Biology, Department of Comparative Medicine, Yale University, New Haven, CT, USA
| | - Jacob E. Friedman
- Harold Hamm Diabetes Center and Department of Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Paul S. MacLean
- Division of Endocrinology, Metabolism and Diabetes, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, CO, USA
| | - Michael C. Rudolph
- Harold Hamm Diabetes Center and Department of Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
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23
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Galigniana NM, Ruiz MC, Piwien-Pilipuk G. FK506 binding protein 51: Its role in the adipose organ and beyond. J Cell Biochem 2022. [PMID: 36502528 DOI: 10.1002/jcb.30351] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 11/04/2022] [Accepted: 11/15/2022] [Indexed: 02/17/2024]
Abstract
There is a great body of evidence that the adipose organ plays a central role in the control not only of energy balance, but importantly, in the maintenance of metabolic homeostasis. Interest in the study of different aspects of its physiology grew in the last decades due to the pandemic of obesity and the consequences of metabolic syndrome. It was not until recently that the first evidence for the role of the high molecular weight immunophilin FK506 binding protein (FKBP) 51 in the process of adipocyte differentiation have been described. Since then, many new facets have been discovered of this stress-responsive FKBP51 as a central node for precise coordination of many cell functions, as shown for nuclear steroid receptors, autophagy, signaling pathways as Akt, p38 MAPK, and GSK3, as well as for insulin signaling and the control of glucose homeostasis. Thus, the aim of this review is to integrate and discuss the recent advances in the understanding of the many roles of FKBP51 in the adipose organ.
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Affiliation(s)
- Natalia M Galigniana
- Laboratory of Nuclear Architecture, Instituto de Biología y Medicina Experimental (IBYME)-CONICET, Buenos Aires, Argentina
- Department of Molecular Medicine, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Marina C Ruiz
- Laboratory of Nuclear Architecture, Instituto de Biología y Medicina Experimental (IBYME)-CONICET, Buenos Aires, Argentina
| | - Graciela Piwien-Pilipuk
- Laboratory of Nuclear Architecture, Instituto de Biología y Medicina Experimental (IBYME)-CONICET, Buenos Aires, Argentina
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24
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Lecoutre S, Lambert M, Drygalski K, Dugail I, Maqdasy S, Hautefeuille M, Clément K. Importance of the Microenvironment and Mechanosensing in Adipose Tissue Biology. Cells 2022; 11:cells11152310. [PMID: 35954152 PMCID: PMC9367348 DOI: 10.3390/cells11152310] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/19/2022] [Accepted: 07/23/2022] [Indexed: 11/16/2022] Open
Abstract
The expansion of adipose tissue is an adaptive mechanism that increases nutrient buffering capacity in response to an overall positive energy balance. Over the course of expansion, the adipose microenvironment undergoes continual remodeling to maintain its structural and functional integrity. However, in the long run, adipose tissue remodeling, typically characterized by adipocyte hypertrophy, immune cells infiltration, fibrosis and changes in vascular architecture, generates mechanical stress on adipose cells. This mechanical stimulus is then transduced into a biochemical signal that alters adipose function through mechanotransduction. In this review, we describe the physical changes occurring during adipose tissue remodeling, and how they regulate adipose cell physiology and promote obesity-associated dysfunction in adipose tissue.
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Affiliation(s)
- Simon Lecoutre
- Nutrition and Obesities: Systemic Approaches Research Group (Nutri-Omics), Sorbonne Université, INSERM, F-75013 Paris, France; (S.L.); (K.D.); (I.D.)
| | - Mélanie Lambert
- Labex Inflamex, Université Sorbonne Paris Nord, INSERM, F-93000 Bobigny, France;
| | - Krzysztof Drygalski
- Nutrition and Obesities: Systemic Approaches Research Group (Nutri-Omics), Sorbonne Université, INSERM, F-75013 Paris, France; (S.L.); (K.D.); (I.D.)
| | - Isabelle Dugail
- Nutrition and Obesities: Systemic Approaches Research Group (Nutri-Omics), Sorbonne Université, INSERM, F-75013 Paris, France; (S.L.); (K.D.); (I.D.)
| | - Salwan Maqdasy
- Department of Medicine (H7), Karolinska Institutet Hospital, C2-94, 14186 Stockholm, Sweden;
| | - Mathieu Hautefeuille
- Laboratoire de Biologie du Développement (UMR 7622), IBPS, Sorbonne Université, F-75005 Paris, France;
| | - Karine Clément
- Nutrition and Obesities: Systemic Approaches Research Group (Nutri-Omics), Sorbonne Université, INSERM, F-75013 Paris, France; (S.L.); (K.D.); (I.D.)
- Assistance Publique Hôpitaux de Paris, Nutrition Department, CRNH Ile-de-France, Pitié-Salpêtrière Hospital, F-75013 Paris, France
- Correspondence: or
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25
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Shin S. Regulation of Adipose Tissue Biology by Long-Chain Fatty Acids: Metabolic Effects and Molecular Mechanisms. J Obes Metab Syndr 2022; 31:147-160. [PMID: 35691686 PMCID: PMC9284576 DOI: 10.7570/jomes22014] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 04/13/2022] [Accepted: 04/27/2022] [Indexed: 11/20/2022] Open
Abstract
Long-chain fatty acids (LCFA) modulate metabolic, oxidative, and inflammatory responses, and the physiological effects of LCFA are determined by chain length and the degree of saturation. Adipose tissues comprise multiple cell types, and play a significant role in energy storage and expenditure. Fatty acid uptake and oxidation are the pathways through which fatty acids participate in the regulation of energy homeostasis, and their dysregulation can lead to the development of obesity and chronic obesity-related disorders, including type 2 diabetes, cardiovascular diseases, and certain types of cancer. Numerous studies have reported that many aspects of adipose tissue biology are influenced by the number and position of double bonds in LCFA, and these effects are mediated by various signaling pathways, including those regulating adipocyte differentiation (adipogenesis), thermogenesis, and inflammation in adipose tissue. This review aims to describe the underlying molecular mechanisms by which different types of LCFA influence adipose tissue metabolism, and to further clarify their relevance to metabolic dysregulation associated with obesity. A better understanding of the effects of LCFA on adipose tissue metabolism may lead to improved nutraceutical strategies to address obesity and obesity-associated diseases.
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Affiliation(s)
- Sunhye Shin
- Major of Food and Nutrition, Division of Applied Food System, Seoul Women's University, Seoul, Korea
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26
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Lee S, Benvie AM, Park HG, Spektor R, Harlan B, Brenna JT, Berry DC, Soloway PD. Remodeling of gene regulatory networks underlying thermogenic stimuli-induced adipose beiging. Commun Biol 2022; 5:584. [PMID: 35701601 PMCID: PMC9197980 DOI: 10.1038/s42003-022-03531-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 05/23/2022] [Indexed: 12/11/2022] Open
Abstract
Beige adipocytes are induced by cold temperatures or β3-adrenergic receptor (Adrb3) agonists. They create heat through glucose and fatty acid (FA) oxidation, conferring metabolic benefits. The distinct and shared mechanisms by which these treatments induce beiging are unknown. Here, we perform single-nucleus assay for transposase-accessible chromatin sequencing (snATAC-seq) on adipose tissue from mice exposed to cold or an Adrb3 agonist to identify cellular and chromatin accessibility dynamics during beiging. Both stimuli induce chromatin remodeling that influence vascularization and inflammation in adipose. Beige adipocytes from cold-exposed mice have increased accessibility at genes regulating glycolytic processes, whereas Adrb3 activation increases cAMP responses. While both thermogenic stimuli increase accessibility at genes regulating thermogenesis, lipogenesis, and beige adipocyte development, the kinetics and magnitudes of the changes are distinct for the stimuli. Accessibility changes at lipogenic genes are linked to functional changes in lipid composition of adipose. Both stimuli tend to decrease the proportion of palmitic acids, a saturated FA in adipose. However, Adrb3 activation increases the proportion of monounsaturated FAs, whereas cold increases the proportion of polyunsaturated FAs. These findings reveal common and distinct mechanisms of cold and Adrb3 induced beige adipocyte biogenesis, and identify unique functional consequences of manipulating these pathways in vivo.
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Affiliation(s)
- Seoyeon Lee
- Division of Nutritional Sciences, College of Agriculture and Life Sciences, Cornell University, Ithaca, New York, NY, USA
| | - Abigail M Benvie
- Division of Nutritional Sciences, College of Agriculture and Life Sciences, Cornell University, Ithaca, New York, NY, USA
| | - Hui Gyu Park
- Dell Pediatric Research Institute, Departments of Chemistry, Pediatrics, and Nutrition, Dell Medical School and the College of Natural Sciences, University of Texas at Austin, Austin, TX, USA
| | - Roman Spektor
- Field of Genetics, Genomics, and Development, Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, NY, USA
| | - Blaine Harlan
- Field of Genetics, Genomics, and Development, Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, NY, USA
| | - J Thomas Brenna
- Division of Nutritional Sciences, College of Agriculture and Life Sciences, Cornell University, Ithaca, New York, NY, USA
- Dell Pediatric Research Institute, Departments of Chemistry, Pediatrics, and Nutrition, Dell Medical School and the College of Natural Sciences, University of Texas at Austin, Austin, TX, USA
| | - Daniel C Berry
- Division of Nutritional Sciences, College of Agriculture and Life Sciences, Cornell University, Ithaca, New York, NY, USA
| | - Paul D Soloway
- Division of Nutritional Sciences, College of Agriculture and Life Sciences, Cornell University, Ithaca, New York, NY, USA.
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, NY, USA.
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27
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Steiner BM, Berry DC. The Regulation of Adipose Tissue Health by Estrogens. Front Endocrinol (Lausanne) 2022; 13:889923. [PMID: 35721736 PMCID: PMC9204494 DOI: 10.3389/fendo.2022.889923] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 04/25/2022] [Indexed: 12/14/2022] Open
Abstract
Obesity and its' associated metabolic diseases such as type 2 diabetes and cardiometabolic disorders are significant health problems confronting many countries. A major driver for developing obesity and metabolic dysfunction is the uncontrolled expansion of white adipose tissue (WAT). Specifically, the pathophysiological expansion of visceral WAT is often associated with metabolic dysfunction due to changes in adipokine secretion profiles, reduced vascularization, increased fibrosis, and enrichment of pro-inflammatory immune cells. A critical determinate of body fat distribution and WAT health is the sex steroid estrogen. The bioavailability of estrogen appears to favor metabolically healthy subcutaneous fat over visceral fat growth while protecting against changes in metabolic dysfunction. Our review will focus on the role of estrogen on body fat partitioning, WAT homeostasis, adipogenesis, adipocyte progenitor cell (APC) function, and thermogenesis to control WAT health and systemic metabolism.
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Affiliation(s)
| | - Daniel C. Berry
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, United States
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28
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Fu G, Huang J, Wu Z, Zhao L. Sevoflurane Suppresses the Growth, Metastasis, and Invasion of Endometrial Carcinoma Cells via miR-195-5p/JAK2 Axis. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:2398101. [PMID: 35242202 PMCID: PMC8888040 DOI: 10.1155/2022/2398101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/11/2021] [Accepted: 12/22/2021] [Indexed: 11/21/2022]
Abstract
BACKGROUND Highly invasive and destructive endometrioma is one of the most familiar primary malignant tumors among women. It has been studied that sevoflurane can influence the development of various malignancies. But whatever sevoflurane could influence endometrial tumors is unknown. MATERIALS AND METHODS Through CCK8 and transwell analysis, we investigated the influence of sevoflurane on the development of endometrial tumors in vitro. Then, we studied the function of miRNA-195-5p to promote sevoflurane to inhibit the development of endometrial tumors. Then, we predicted the target genes of miRNA-195-5p by online software and focused on JAK2. Through luciferase assay, we proved the direct binding and regulation of miRNA-195-5p to JAK2. RESULTS We showed that sevoflurane could inhibit the growth, metastasis, and invasion of endometrial tumors via miRNA-195-5p/JAK2 axis. CONCLUSIONS Our research shows the function of sevoflurane in inhibiting the development of endometrial tumors via miRNA-195-5p/JAK2 axis. Our findings proved that sevoflurane is potentially beneficial for endometrial carcinoma patients with surgery and may be helpful for the choice of anesthetics in endometrial carcinoma operations.
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Affiliation(s)
- Guowei Fu
- The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou 213003, China
| | - Junlan Huang
- Changzhou Wujin Hospital of Traditional Chinese Medicine, Changzhou 213161, China
| | - Zhouquan Wu
- The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou 213003, China
| | - Lin Zhao
- The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou 213003, China
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29
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Lu Z, Jiang Z, Tang J, Lin C, Zhang H. Functions and origins of cardiac fat. FEBS J 2022; 290:1705-1718. [PMID: 35114069 DOI: 10.1111/febs.16388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 01/06/2022] [Accepted: 02/02/2022] [Indexed: 11/28/2022]
Abstract
Triglyceride droplets can be stored within cardiac adipocytes (CAs) and cardiomyocytes in the heart. Cardiac adipocytes reside in three distinct regions: pericardial, epicardial, and intramyocardial adipose tissues. In healthy individuals, cardiac adipose tissues modulate cardiovascular functions and energy partitioning, which are, thus, protective. However, ectopic deposition of cardiac adipose tissues turns them into adverse lipotoxic, prothrombotic, and pro-inflammatory tissues with local and systemic contribution to the development of cardiovascular disorders. Accumulation of triglyceride droplets in cardiomyocytes may lead to lipotoxic injury of cardiomyocytes and contribute to the development of cardiac hypertrophy and dysfunction. Here, we summarize the roles of CAs and myocardial triglyceride droplets under physiological and pathological conditions and review the cellular sources of CAs in heart development and diseases. Understanding the functions and cellular origins of cardiac fat will provide clues for future studies on pathophysiological processes and treatment of cardiovascular diseases.
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Affiliation(s)
- Zhengkai Lu
- School of Life Science and Technology ShanghaiTech University China
- University of Chinese Academy of Sciences Beijing China
| | - Zhen Jiang
- School of Life Science and Technology ShanghaiTech University China
| | - Juan Tang
- Institute for Regenerative Medicine Shanghai East Hospital Frontier Science Center for Stem Cell Research School of Life Science and Technology Tongji University Shanghai China
| | - Chao‐Po Lin
- School of Life Science and Technology ShanghaiTech University China
| | - Hui Zhang
- School of Life Science and Technology ShanghaiTech University China
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30
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Sakers A, De Siqueira MK, Seale P, Villanueva CJ. Adipose-tissue plasticity in health and disease. Cell 2022; 185:419-446. [PMID: 35120662 PMCID: PMC11152570 DOI: 10.1016/j.cell.2021.12.016] [Citation(s) in RCA: 267] [Impact Index Per Article: 133.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 12/08/2021] [Accepted: 12/13/2021] [Indexed: 12/11/2022]
Abstract
Adipose tissue, colloquially known as "fat," is an extraordinarily flexible and heterogeneous organ. While historically viewed as a passive site for energy storage, we now appreciate that adipose tissue regulates many aspects of whole-body physiology, including food intake, maintenance of energy levels, insulin sensitivity, body temperature, and immune responses. A crucial property of adipose tissue is its high degree of plasticity. Physiologic stimuli induce dramatic alterations in adipose-tissue metabolism, structure, and phenotype to meet the needs of the organism. Limitations to this plasticity cause diminished or aberrant responses to physiologic cues and drive the progression of cardiometabolic disease along with other pathological consequences of obesity.
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Affiliation(s)
- Alexander Sakers
- Institute for Diabetes, Obesity & Metabolism, Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104 USA
| | - Mirian Krystel De Siqueira
- Molecular, Cellular & Integrative Physiology Program, University of California, Los Angeles, Los Angeles, CA 90095-7070 USA; Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA 90095-7070 USA
| | - Patrick Seale
- Institute for Diabetes, Obesity & Metabolism, Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104 USA.
| | - Claudio J Villanueva
- Molecular, Cellular & Integrative Physiology Program, University of California, Los Angeles, Los Angeles, CA 90095-7070 USA; Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA 90095-7070 USA.
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31
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Lynes MD, Carlone DL, Townsend KL, Breault DT, Tseng YH. Telomerase Reverse Transcriptase Expression Marks a Population of Rare Adipose Tissue Stem Cells. Stem Cells 2022; 40:102-111. [PMID: 35511869 PMCID: PMC9199842 DOI: 10.1093/stmcls/sxab005] [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: 04/08/2021] [Accepted: 09/17/2021] [Indexed: 11/12/2022]
Abstract
In adult tissues such as adipose tissue, post-mitotic cells like adipocytes can be replaced by differentiation of a population of tissue-resident stem cells. Expression of mouse telomerase reverse transcriptase (mTert) is a hallmark of stem cell populations, and previous efforts to identify tissue-resident adult stem cells by measuring mTert expression have increased our understanding of stem cell biology significantly. Here, we used a doxycycline-inducible mouse model to perform longitudinal, live-animal lineage-tracing of mTert-expressing cells for more than 1 year. We identified a rare (<2%) population of stem cells in different fat depots that express putative preadipocyte markers. The adipose-derived mTert-positive cells are capable of self-renewal and possess adipogenic potential. Finally, we demonstrate that high-fat diet (HFD) can initiate differentiation of these cells in vivo. These data identify a population of adipose stem cells that contribute to the depot-specific response to HFD.
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Affiliation(s)
- Matthew D Lynes
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, USA,Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA,Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA,Matthew D. Lynes, PhD, Maine Medical Center Research Institute, 81 Research Drive, Scarborough, ME 04074, USA. Tel: 207-396-8100;
| | - Diana L Carlone
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA,Division of Endocrinology, Boston Children’s Hospital, Boston, MA, USA,Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Kristy L Townsend
- Department of Neurological Surgery, The Ohio State University, Columbus, OH, USA
| | - David T Breault
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA,Division of Endocrinology, Boston Children’s Hospital, Boston, MA, USA,Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Yu-Hua Tseng
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA,Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA,Corresponding author: Yu-Hua Tseng, PhD, Joslin Diabetes Center, One Joslin Place, Boston, MA 02215, USA. Tel: 617-309-1967;
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32
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Altun I, Yan X, Ussar S. Immune Cell Regulation of White Adipose Progenitor Cell Fate. Front Endocrinol (Lausanne) 2022; 13:859044. [PMID: 35422761 PMCID: PMC9001836 DOI: 10.3389/fendo.2022.859044] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 02/28/2022] [Indexed: 02/03/2023] Open
Abstract
Adipose tissue is essential for energy storage and endocrine regulation of metabolism. Imbalance in energy intake and expenditure result in obesity causing adipose tissue dysfunction. This alters cellular composition of the stromal cell populations and their function. Moreover, the individual cellular composition of each adipose tissue depot, regulated by environmental factors and genetics, determines the ability of the depots to expand and maintain its endocrine and storage function. Thus, stromal cells modulate adipocyte function and vice versa. In this mini-review we discuss heterogeneity in terms of composition and fate of adipose progenitor subtypes and their interactions with and regulation by different immune cell populations. Immune cells are the most diverse cell populations in adipose tissue and play essential roles in regulating adipose tissue function via interaction with adipocytes but also with adipocyte progenitors. We specifically discuss the role of macrophages, mast cells, innate lymphoid cells and T cells in the regulation of adipocyte progenitor proliferation, differentiation and lineage commitment. Understanding the factors and cellular interactions regulating preadipocyte expansion and fate decision will allow the identification of novel mechanisms and therapeutic strategies to promote healthy adipose tissue expansion without systemic metabolic impairment.
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Affiliation(s)
- Irem Altun
- Research Group Adipocytes and Metabolism, Institute for Diabetes and Obesity, Helmholtz Diabetes Center, Helmholtz Zentrum München, German Research Center for Environmental Health GmbH, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Xiaocheng Yan
- Research Group Adipocytes and Metabolism, Institute for Diabetes and Obesity, Helmholtz Diabetes Center, Helmholtz Zentrum München, German Research Center for Environmental Health GmbH, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Siegfried Ussar
- Research Group Adipocytes and Metabolism, Institute for Diabetes and Obesity, Helmholtz Diabetes Center, Helmholtz Zentrum München, German Research Center for Environmental Health GmbH, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
- Department of Medicine, Technische Universität München, Munich, Germany
- *Correspondence: Siegfried Ussar,
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Abstract
Expansion of visceral white adipose tissue (vWAT) occurs in response to nutrient excess, and is a risk factor for metabolic disease. SPRY1, a feedback inhibitor of receptor tyrosine kinase (RTK) signaling, is expressed in PDGFRa+ adipocyte progenitor cells (APC) in vivo. Global deficiency of Spry1 in mice results in disproportionate postnatal growth of gonadal WAT (gWAT), while iWAT and BAT were similar in size between Spry1KO and WT mice. Spry1 deficiency increased the number of PDGFRa+ stromal vascular fraction (SVF) cells in gWAT and showed increased proliferation and fibrosis. Spry1KO gWAT had increased collagen deposition and elevated expression of markers of inflammation. In vitro, SPRY1 was transiently down regulated during early adipocyte differentiation of SVF cells, with levels increasing at later stages of differentiation. SPRY1 deficiency enhances PDGF-AA and PDGF-BB induced proliferation of SVF cells. Increased proliferation of SVF from Spry1KO gWAT accompanies an increase in AKT activation. PDGF-AA stimulated a transient down regulation of SPRY1 in wild type SVF, whereas PDGF-BB stimulated a sustained down regulation of SPRY1 in wild type SVF. Collectively, our data suggest that SPRY1 is critical for regulating postnatal growth of gWAT by restraining APC proliferation and differentiation in part by regulation of PDGFRa/b-AKT signaling.
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Affiliation(s)
- Xuehui Yang
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, USA
| | - Shivangi Pande
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, USA
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, ME, USA
| | - Robert A. Koza
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, USA
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, ME, USA
| | - Robert Friesel
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, USA
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, ME, USA
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Milan G, Conci S, Sanna M, Favaretto F, Bettini S, Vettor R. ASCs and their role in obesity and metabolic diseases. Trends Endocrinol Metab 2021; 32:994-1006. [PMID: 34625375 DOI: 10.1016/j.tem.2021.09.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 08/23/2021] [Accepted: 09/03/2021] [Indexed: 01/04/2023]
Abstract
We describe adipose stromal/stem cells (ASCs) in the structural/functional context of the adipose tissue (AT) stem niche (adiponiche), including cell-cell interactions and the microenvironment, and emphasize findings obtained in humans and in lineage-tracing models. ASCs have distinctive markers, 'colors', and anatomical 'locations' which influence their functions. Each adiponiche component can become impaired, thereby contributing to the pathological AT alterations seen in obesity and metabolic diseases. We discuss adiposopathy with a focus on adiponiche dysfunction, and underline the mechanisms that control AT expansion and energy balance. Better understanding of adiponiche regulation and ASC features could help to identify therapeutic targets that favor weight loss and counteract weight regain, and also contribute to innovative strategies for regenerative medicine.
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Affiliation(s)
- Gabriella Milan
- Department of Medicine, University of Padua, Internal Medicine 3, 35128 Padua, Italy; Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128 Padua, Italy.
| | - Scilla Conci
- Department of Medicine, University of Padua, Internal Medicine 3, 35128 Padua, Italy; Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128 Padua, Italy
| | - Marta Sanna
- Department of Medicine, University of Padua, Internal Medicine 3, 35128 Padua, Italy; Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128 Padua, Italy
| | - Francesca Favaretto
- Department of Medicine, University of Padua, Internal Medicine 3, 35128 Padua, Italy; Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128 Padua, Italy
| | - Silvia Bettini
- Department of Medicine, University of Padua, Internal Medicine 3, 35128 Padua, Italy; Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128 Padua, Italy
| | - Roberto Vettor
- Department of Medicine, University of Padua, Internal Medicine 3, 35128 Padua, Italy; Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128 Padua, Italy
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35
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Shamsi F, Wang CH, Tseng YH. The evolving view of thermogenic adipocytes - ontogeny, niche and function. Nat Rev Endocrinol 2021; 17:726-744. [PMID: 34625737 PMCID: PMC8814904 DOI: 10.1038/s41574-021-00562-6] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/27/2021] [Indexed: 12/12/2022]
Abstract
The worldwide incidence of obesity and its sequelae, such as type 2 diabetes mellitus, have reached pandemic levels. Central to the development of these metabolic disorders is adipose tissue. White adipose tissue stores excess energy, whereas brown adipose tissue (BAT) and beige (also known as brite) adipose tissue dissipate energy to generate heat in a process known as thermogenesis. Strategies that activate and expand BAT and beige adipose tissue increase energy expenditure in animal models and offer therapeutic promise to treat obesity. A better understanding of the molecular mechanisms underlying the development of BAT and beige adipose tissue and the activation of thermogenic function is the key to creating practical therapeutic interventions for obesity and metabolic disorders. In this Review, we discuss the regulation of the tissue microenvironment (the adipose niche) and inter-organ communication between BAT and other tissues. We also cover the activation of BAT and beige adipose tissue in response to physiological cues (such as cold exposure, exercise and diet). We highlight advances in harnessing the therapeutic potential of BAT and beige adipose tissue by genetic, pharmacological and cell-based approaches in obesity and metabolic disorders.
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Affiliation(s)
- Farnaz Shamsi
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
- Department of Molecular Pathobiology, New York University College of Dentistry, New York, NY, USA
| | - Chih-Hao Wang
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Yu-Hua Tseng
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA.
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA.
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Mikolajczak A, Sallam NA, Singh RD, Scheidl TB, Walsh EJ, Larion S, Huang C, Thompson JA. Accelerated developmental adipogenesis programs adipose tissue dysfunction and cardiometabolic risk in offspring born to dams with metabolic dysfunction. Am J Physiol Endocrinol Metab 2021; 321:E581-E591. [PMID: 34459218 PMCID: PMC8791794 DOI: 10.1152/ajpendo.00229.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
This study determined if a perturbation in in utero adipogenesis leading to later life adipose tissue (AT) dysfunction underlies programming of cardiometabolic risk in offspring born to dams with metabolic dysfunction. Female mice heterozygous for the leptin receptor deficiency (Hetdb) had 2.4-fold higher prepregnancy fat mass and in late gestation had higher plasma insulin and triglycerides compared with wild-type (Wt) females (P < 0.05). To isolate the role of the intrauterine milieu, wild-type (Wt) offspring from each pregnancy were studied. Differentiation potential in isolated progenitors and cell size distribution analysis revealed accelerated adipogenesis in Wt pups born to Hetdb dams, accompanied by a higher accumulation of neonatal fat mass. In adulthood, whole body fat mass by NMR was higher in male (69%) and female (20%) Wt offspring born to Hetdb versus Wt pregnancies, along with adipocyte hypertrophy and hyperlipidemia (all P < 0.05). Lipidomic analyses by gas chromatography revealed an increased lipogenic index (16:0/18:2n6) after high-fat/fructose diet (HFFD). Postprandial insulin, ADIPO-IR, and ex vivo AT lipolytic responses to isoproterenol were all higher in Wt offspring born to Hetdb dams (P < 0.05). Intrauterine metabolic stimuli may direct a greater proportion of progenitors toward terminal differentiation, thereby predisposing to hypertrophy-induced adipocyte dysfunction.NEW & NOTEWORTHY This study reveals that accelerated adipogenesis during the perinatal window of adipose tissue development predisposes to later life hypertrophic adipocyte dysfunction, thereby compromising the buffering function of the subcutaneous depot.
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Affiliation(s)
- Anna Mikolajczak
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada
| | - Nada A Sallam
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Faculty of Pharmacy, Cairo University, Giza, Egypt
| | - Radha D Singh
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Libin Cardiovascular Institute, Calgary, Alberta, Canada
| | - Taylor B Scheidl
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada
- Libin Cardiovascular Institute, Calgary, Alberta, Canada
- Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada
| | - Emma J Walsh
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Sebastian Larion
- Division of Gastroenterology and Hepatology, Medical University of South Carolina, Charleston, South Carolina
| | - Carol Huang
- Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada
| | - Jennifer A Thompson
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Libin Cardiovascular Institute, Calgary, Alberta, Canada
- Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada
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Soliman H, Theret M, Scott W, Hill L, Underhill TM, Hinz B, Rossi FMV. Multipotent stromal cells: One name, multiple identities. Cell Stem Cell 2021; 28:1690-1707. [PMID: 34624231 DOI: 10.1016/j.stem.2021.09.001] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Multipotent stromal cells (MSCs) are vital for development, maintenance, function, and regeneration of most tissues. They can differentiate along multiple connective lineages, but unlike most other stem/progenitor cells, they carry out various other functions while maintaining their developmental potential. MSCs function as damage sensors, respond to injury by fostering regeneration through secretion of trophic factors as well as extracellular matrix (ECM) molecules, and contribute to fibrotic reparative processes when regeneration fails. Tissue-specific MSC identity, fate(s), and function(s) are being resolved through fate mapping coupled with single cell "omics," providing unparalleled insights into the secret lives of tissue-resident MSCs.
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Affiliation(s)
- Hesham Soliman
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; Aspect Biosystems, Vancouver, BC V6P 6P2, Canada
| | - Marine Theret
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Wilder Scott
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Lesley Hill
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Tully Michael Underhill
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Boris Hinz
- Laboratory of Tissue Repair and Regeneration, Faculty of Dentistry, University of Toronto, Toronto, ON M5S 1A1, Canada
| | - Fabio M V Rossi
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; Department of Medical Genetics, University of British Columbia, Vancouver, BC V6T 1Z3, Canada.
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Chamorro-Garcia R, Veiga-Lopez A. The new kids on the block: Emerging obesogens. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2021; 92:457-484. [PMID: 34452694 DOI: 10.1016/bs.apha.2021.05.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The current obesity epidemic is calling for action in the determination of contributing factors. Although social and life-style factors have been traditionally associated with metabolic disruption, a subset of endocrine-disrupting chemicals (EDCs), called obesogens are garnering increasing attention for their ability to promote adipose tissue differentiation and accumulation. For some chemicals, such as tributyltin, there is conclusive evidence regarding their ability to promote adipogenesis and their mechanism of action. In recent years, the list of chemicals that exert obesogenic potential is increasing. In this chapter, we review current knowledge of the most recent developments in the field of emerging obesogens with a specific focus on food additives, surfactants, and sunscreens, for which the mechanism of action remains unclear. We also review new evidence relative to the obesogenic potential of environmentally relevant chemical mixtures and point to potential therapeutic approaches to minimize the detrimental effects of obesogens. We conclude by discussing the available tools to investigate new obesogenic chemicals, strategies to maximize reproducibility in adipogenic studies, and future directions that will help propel the field forward.
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Affiliation(s)
- Raquel Chamorro-Garcia
- Department of Microbiology and Environmental Toxicology, University of California Santa Cruz, Santa Cruz, CA, United States.
| | - Almudena Veiga-Lopez
- Department of Pathology, University of Illinois-Chicago, Chicago, IL, United States; The ChicAgo Center for Health and Environment, University of Illinois at Chicago, Chicago, IL, United States.
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Kim S, Reed E, Monti S, Schlezinger JJ. A Data-Driven Transcriptional Taxonomy of Adipogenic Chemicals to Identify White and Brite Adipogens. ENVIRONMENTAL HEALTH PERSPECTIVES 2021; 129:77006. [PMID: 34323617 PMCID: PMC8320370 DOI: 10.1289/ehp6886] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
BACKGROUND Chemicals in disparate structural classes activate specific subsets of the transcriptional programs of peroxisome proliferator-activated receptor-γ (PPARγ) to generate adipocytes with distinct phenotypes. OBJECTIVES Our objectives were to a) establish a novel classification method to predict PPARγ ligands and modifying chemicals; and b) create a taxonomy to group chemicals on the basis of their effects on PPARγ's transcriptome and downstream metabolic functions. We tested the hypothesis that environmental adipogens highly ranked by the taxonomy, but segregated from therapeutic PPARγ ligands, would induce white but not brite adipogenesis. METHODS 3T3-L1 cells were differentiated in the presence of 76 chemicals (negative controls, nuclear receptor ligands known to influence adipocyte biology, potential environmental PPARγ ligands). Differentiation was assessed by measuring lipid accumulation. mRNA expression was determined by RNA-sequencing (RNA-Seq) and validated by reverse transcription-quantitative polymerase chain reaction. A novel classification model was developed using an amended random forest procedure. A subset of environmental contaminants identified as strong PPARγ agonists were analyzed by their effects on lipid handling, mitochondrial biogenesis, and cellular respiration in 3T3-L1 cells and human preadipocytes. RESULTS We used lipid accumulation and RNA-Seq data to develop a classification system that a) identified PPARγ agonists; and b) sorted chemicals into likely white or brite adipogens. Expression of Cidec was the most efficacious indicator of strong PPARγ activation. 3T3-L1 cells treated with two known environmental PPARγ ligands, tetrabromobisphenol A and triphenyl phosphate, which sorted distinctly from therapeutic ligands, had higher expression of white adipocyte genes but no difference in Pgc1a and Ucp1 expression, and higher fatty acid uptake but not mitochondrial biogenesis. Moreover, cells treated with two chemicals identified as highly ranked PPARγ agonists, tonalide and quinoxyfen, induced white adipogenesis without the concomitant health-promoting characteristics of brite adipocytes in mouse and human preadipocytes. DISCUSSION A novel classification procedure accurately identified environmental chemicals as PPARγ ligands distinct from known PPARγ-activating therapeutics. CONCLUSION The computational and experimental framework has general applicability to the classification of as-yet uncharacterized chemicals. https://doi.org/10.1289/EHP6886.
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Affiliation(s)
- Stephanie Kim
- Boston University Superfund Research Program, Boston University, Massachusetts, USA
- Department of Environmental Health, Boston University School of Public Health, Massachusetts, USA
| | - Eric Reed
- Boston University Superfund Research Program, Boston University, Massachusetts, USA
- Section of Computational Biomedicine, Boston University School of Medicine, Massachusetts, USA
- Boston University Bioinformatics Program, Boston University, Massachusetts, USA
| | - Stefano Monti
- Boston University Superfund Research Program, Boston University, Massachusetts, USA
- Section of Computational Biomedicine, Boston University School of Medicine, Massachusetts, USA
- Boston University Bioinformatics Program, Boston University, Massachusetts, USA
| | - Jennifer J. Schlezinger
- Boston University Superfund Research Program, Boston University, Massachusetts, USA
- Department of Environmental Health, Boston University School of Public Health, Massachusetts, USA
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Rauch A, Mandrup S. Transcriptional networks controlling stromal cell differentiation. Nat Rev Mol Cell Biol 2021; 22:465-482. [PMID: 33837369 DOI: 10.1038/s41580-021-00357-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2021] [Indexed: 02/02/2023]
Abstract
Stromal progenitors are found in many different tissues, where they play an important role in the maintenance of tissue homeostasis owing to their ability to differentiate into parenchymal cells. These progenitor cells are differentially pre-programmed by their tissue microenvironment but, when cultured and stimulated in vitro, these cells - commonly referred to as mesenchymal stromal cells (MSCs) - exhibit a marked plasticity to differentiate into many different cell lineages. Loss-of-function studies in vitro and in vivo have uncovered the involvement of specific signalling pathways and key transcriptional regulators that work in a sequential and coordinated fashion to activate lineage-selective gene programmes. Recent advances in omics and single-cell technologies have made it possible to obtain system-wide insights into the gene regulatory networks that drive lineage determination and cell differentiation. These insights have important implications for the understanding of cell differentiation, the contribution of stromal cells to human disease and for the development of cell-based therapeutic applications.
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Affiliation(s)
- Alexander Rauch
- Molecular Endocrinology & Stem Cell Research Unit (KMEB), Department of Endocrinology and Metabolism, Odense University Hospital and Department of Clinical Research, University of Southern Denmark, Odense, Denmark. .,Steno Diabetes Center Odense, Odense University Hospital, Odense, Denmark.
| | - Susanne Mandrup
- Center for Functional Genomics and Tissue Plasticity, Functional Genomics & Metabolism Research Unit, Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark.
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Ying T, Golden T, Cheng L, Ishibashi J, Seale P, Simmons RA. Neonatal IL-4 exposure decreases adipogenesis of male rats into adulthood. Am J Physiol Endocrinol Metab 2021; 320:E1148-E1157. [PMID: 33870712 PMCID: PMC8285599 DOI: 10.1152/ajpendo.00600.2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The cytokine interleukin 4 (IL-4) can increase beige adipogenesis in adult rodents. However, neonatal animals use a distinct adipocyte precursor compartment for adipogenesis as compared with adults. In this study, we address whether IL-4 can induce persistent effects on adipose tissue when administered subcutaneously in the interscapular region during the neonatal period in Sprague-Dawley rats. We injected IL-4 into neonatal male rats during postnatal days 1-6, followed by analysis of adipose tissue and adipocyte precursors at 2 wk and 10 wk of age. Adipocyte precursors were cultured and subjected to differentiation in vitro. We found that a short and transient IL-4 exposure in neonates upregulated uncoupling protein 1 (Ucp1) mRNA expression and decreased fat cell size in subcutaneous white adipose tissue (WAT). Adipocyte precursors from mature rats that had been treated with IL-4 as neonates displayed a decrease in adiponectin (Adipoq) but no change in Ucp1 expression, as compared with controls. Thus, neonatal IL-4 induces acute beige adipogenesis and decreases adipogenic differentiation capacity long term. Overall, these findings indicate that the neonatal period is critical for adipocyte development and may influence the later onset of obesity.NEW & NOTEWORTHY We used neonatal injections in rat to show that IL-4 decreases adipogenesis and increases browning of white fat. In adulthood, adipocyte precursors show persistently decreased adipogenesis but not increased browning. These studies in the neonate are the first, to our knowledge, to show that IL-4 can have long-lasting effects.
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Affiliation(s)
- Tammy Ying
- The Cell and Molecular Biology Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Thea Golden
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
- Center for Research on Reproduction and Women's Health, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Lan Cheng
- Institute for Diabetes, Obesity and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Jeff Ishibashi
- Institute for Diabetes, Obesity and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Patrick Seale
- Institute for Diabetes, Obesity and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Rebecca A Simmons
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
- Center for Research on Reproduction and Women's Health, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Institute for Diabetes, Obesity and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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42
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Role of the Endocannabinoid System in the Adipose Tissue with Focus on Energy Metabolism. Cells 2021; 10:cells10061279. [PMID: 34064024 PMCID: PMC8224009 DOI: 10.3390/cells10061279] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/12/2021] [Accepted: 05/15/2021] [Indexed: 12/15/2022] Open
Abstract
The endocannabinoid system is involved in a wide range of processes including the control of energy acquisition and expenditure. Endocannabinoids and their receptors are present in the central nervous system but also in peripheral tissues, notably the adipose tissues. The endocannabinoid system interacts with two main hormones regulating appetite, namely leptin and ghrelin. The inhibitory effect of the cannabinoid receptor 1 (CB1) antagonist rimonabant on fat mass suggested that the endocannabinoid system can also have a peripheral action in addition to its effect on appetite reduction. Thus, several investigations have focused on the peripheral role of the endocannabinoid system in the regulation of metabolism. The white adipose tissue stores energy as triglycerides while the brown adipose tissue helps to dissipate energy as heat. The endocannabinoid system regulates several functions of the adipose tissues to favor energy accumulation. In this review we will describe the presence of the endocannabinoid system in the adipose tissue. We will survey the role of the endocannabinoid system in the regulation of white and brown adipose tissue metabolism and how the eCB system participates in obesity and metabolic diseases.
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Nguyen HP, Lin F, Yi D, Xie Y, Dinh J, Xue P, Sul HS. Aging-dependent regulatory cells emerge in subcutaneous fat to inhibit adipogenesis. Dev Cell 2021; 56:1437-1451.e3. [PMID: 33878347 PMCID: PMC8137669 DOI: 10.1016/j.devcel.2021.03.026] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 12/10/2020] [Accepted: 03/23/2021] [Indexed: 12/11/2022]
Abstract
Adipose tissue mass and adiposity change throughout the lifespan. During aging, while visceral adipose tissue (VAT) tends to increase, peripheral subcutaneous adipose tissue (SAT) decreases significantly. Unlike VAT, which is linked to metabolic diseases, including type 2 diabetes, SAT has beneficial effects. However, the molecular details behind the aging-associated loss of SAT remain unclear. Here, by comparing scRNA-seq of total stromal vascular cells of SAT from young and aging mice, we identify an aging-dependent regulatory cell (ARC) population that emerges only in SAT of aged mice and humans. ARCs express adipose progenitor markers but lack adipogenic capacity; they secrete high levels of pro-inflammatory chemokines, including Ccl6, to inhibit proliferation and differentiation of neighboring adipose precursors. We also found Pu.1 to be a driving factor for ARC development. We identify an ARC population and its capacity to inhibit differentiation of neighboring adipose precursors, correlating with aging-associated loss of SAT.
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Affiliation(s)
- Hai P Nguyen
- Department of Nutritional Sciences & Toxicology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Frances Lin
- Department of Nutritional Sciences & Toxicology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Danielle Yi
- Department of Nutritional Sciences & Toxicology, University of California, Berkeley, Berkeley, CA 94720, USA; Endocrinology Program, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Ying Xie
- Department of Nutritional Sciences & Toxicology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Jennie Dinh
- Department of Nutritional Sciences & Toxicology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Pengya Xue
- Department of Nutritional Sciences & Toxicology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Hei Sook Sul
- Department of Nutritional Sciences & Toxicology, University of California, Berkeley, Berkeley, CA 94720, USA; Endocrinology Program, University of California, Berkeley, Berkeley, CA 94720, USA.
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Crohn's Disease Increases the Mesothelial Properties of Adipocyte Progenitors in the Creeping Fat. Int J Mol Sci 2021; 22:ijms22084292. [PMID: 33924264 PMCID: PMC8074767 DOI: 10.3390/ijms22084292] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/13/2021] [Accepted: 04/16/2021] [Indexed: 12/14/2022] Open
Abstract
Our understanding of the interplay between human adipose tissue and the immune system is limited. The mesothelium, an immunologically active structure, emerged as a source of visceral adipose tissue. After investigating the mesothelial properties of human visceral and subcutaneous adipose tissue and their progenitors, we explored whether the dysfunctional obese and Crohn's disease environments influence the mesothelial/mesenchymal properties of their adipocyte precursors, as well as their ability to mount an immune response. Using a tandem transcriptomic/proteomic approach, we evaluated the mesothelial and mesenchymal expression profiles in adipose tissue, both in subjects covering a wide range of body-mass indexes and in Crohn's disease patients. We also isolated adipose tissue precursors (adipose-derived stem cells, ASCs) to assess their mesothelial/mesenchymal properties, as well as their antigen-presenting features. Human visceral tissue presented a mesothelial phenotype not detected in the subcutaneous fat. Only ASCs from mesenteric adipose tissue, named creeping fat, had a significantly higher expression of the hallmark mesothelial genes mesothelin (MSLN) and Wilms' tumor suppressor gene 1 (WT1), supporting a mesothelial nature of these cells. Both lean and Crohn's disease visceral ASCs expressed equivalent surface percentages of the antigen-presenting molecules human leucocyte antigen-DR isotype (HLA-DR) and CD86. However, lean-derived ASCs were predominantly HLA-DR dim, whereas in Crohn's disease, the HLA-DR bright subpopulation was increased 3.2-fold. Importantly, the mesothelial-enriched Crohn's disease precursors activated CD4+ T-lymphocytes. Our study evidences a mesothelial signature in the creeping fat of Crohn's disease patients and its progenitor cells, the latter being able to present antigens and orchestrate an immune response.
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45
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Lipodystrophy as a Late Effect after Stem Cell Transplantation. J Clin Med 2021; 10:jcm10081559. [PMID: 33917653 PMCID: PMC8068033 DOI: 10.3390/jcm10081559] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 04/01/2021] [Accepted: 04/04/2021] [Indexed: 01/18/2023] Open
Abstract
Survivors of childhood cancer are at high risk of developing metabolic diseases in adulthood. Recently, several patients developing partial lipodystrophy following hematopoietic stem cell transplantation (HSCT) have been described. In this review, we summarize the cases described so far and discuss potential underlying mechanisms of the disease. The findings suggest that HSCT-associated lipodystrophies may be seen as a novel form of acquired lipodystrophy.
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Angueira AR, Sakers AP, Holman CD, Cheng L, Arbocco MN, Shamsi F, Lynes MD, Shrestha R, Okada C, Batmanov K, Susztak K, Tseng YH, Liaw L, Seale P. Defining the lineage of thermogenic perivascular adipose tissue. Nat Metab 2021; 3:469-484. [PMID: 33846639 PMCID: PMC8136151 DOI: 10.1038/s42255-021-00380-0] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 03/05/2021] [Indexed: 02/08/2023]
Abstract
Brown adipose tissue can expend large amounts of energy, and therefore increasing its size or activity is a promising therapeutic approach to combat metabolic disease. In humans, major deposits of brown fat cells are found intimately associated with large blood vessels, corresponding to perivascular adipose tissue (PVAT). However, the cellular origins of PVAT are poorly understood. Here, we determine the identity of perivascular adipocyte progenitors in mice and humans. In mice, thoracic PVAT develops from a fibroblastic lineage, consisting of progenitor cells (Pdgfra+, Ly6a+ and Pparg-) and preadipocytes (Pdgfra+, Ly6a+ and Pparg+), which share transcriptional similarity with analogous cell types in white adipose tissue. Interestingly, the aortic adventitia of adult animals contains a population of adipogenic smooth muscle cells (Myh11+, Pdgfra- and Pparg+) that contribute to perivascular adipocyte formation. Similarly, human PVAT contains presumptive fibroblastic and smooth muscle-like adipocyte progenitor cells, as revealed by single-nucleus RNA sequencing. Together, these studies define distinct populations of progenitor cells for thermogenic PVAT, providing a foundation for developing strategies to augment brown fat activity.
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Affiliation(s)
- Anthony R Angueira
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Alexander P Sakers
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Corey D Holman
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Lan Cheng
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Michelangella N Arbocco
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Farnaz Shamsi
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Matthew D Lynes
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Rojesh Shrestha
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Renal Electrolyte and Hypertension Division, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Genetics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Chihiro Okada
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Kirill Batmanov
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Katalin Susztak
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Renal Electrolyte and Hypertension Division, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Yu-Hua Tseng
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Lucy Liaw
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, USA
| | - Patrick Seale
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.
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Shamsi F, Piper M, Ho LL, Huang TL, Gupta A, Streets A, Lynes MD, Tseng YH. Vascular smooth muscle-derived Trpv1 + progenitors are a source of cold-induced thermogenic adipocytes. Nat Metab 2021; 3:485-495. [PMID: 33846638 PMCID: PMC8076094 DOI: 10.1038/s42255-021-00373-z] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 02/26/2021] [Indexed: 02/01/2023]
Abstract
Brown adipose tissue (BAT) and beige fat function in energy expenditure in part due to their role in thermoregulation, making these tissues attractive targets for treating obesity and metabolic disorders. While prolonged cold exposure promotes de novo recruitment of brown adipocytes, the exact sources of cold-induced thermogenic adipocytes are not completely understood. Here, we identify transient receptor potential cation channel subfamily V member 1 (Trpv1)+ vascular smooth muscle (VSM) cells as previously unidentified thermogenic adipocyte progenitors. Single-cell RNA sequencing analysis of interscapular brown adipose depots reveals, in addition to the previously known platelet-derived growth factor receptor (Pdgfr)α-expressing mesenchymal progenitors, a population of VSM-derived adipocyte progenitor cells (VSM-APC) expressing the temperature-sensitive cation channel Trpv1. We demonstrate that cold exposure induces the proliferation of Trpv1+ VSM-APCs and enahnces their differentiation to highly thermogenic adipocytes. Together, these findings illustrate the landscape of the thermogenic adipose niche at single-cell resolution and identify a new cellular origin for the development of brown and beige adipocytes.
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Affiliation(s)
- Farnaz Shamsi
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Mary Piper
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Li-Lun Ho
- Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Tian Lian Huang
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Anushka Gupta
- Graduate Program in Bioengineering, UC Berkeley-UC San Francisco, Berkeley, CA, USA
| | - Aaron Streets
- Department of Bioengineering, University of California, Berkeley, Berkeley, CA, USA
- Chan Zuckerberg Biohub, San Francisco, CA, USA
| | - Matthew D Lynes
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA.
| | - Yu-Hua Tseng
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA.
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA.
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48
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Adipose stem cells in obesity: challenges and opportunities. Biosci Rep 2021; 40:225001. [PMID: 32452515 PMCID: PMC7284323 DOI: 10.1042/bsr20194076] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 05/08/2020] [Accepted: 05/22/2020] [Indexed: 02/07/2023] Open
Abstract
Adipose tissue, the storage of excessive energy in the body, secretes various proteins called adipokines, which connect the body’s nutritional status to the regulation of energy balance. Obesity triggers alterations of quantity and quality of various types of cells that reside in adipose tissue, including adipose stem cells (ASCs; referred to as adipose-derived stem/stromal cells in vitro). These alterations in the functionalities and properties of ASCs impair adipose tissue remodeling and adipose tissue function, which induces low-grade systemic inflammation, progressive insulin resistance, and other metabolic disorders. In contrast, the ability of ASCs to recruit new adipocytes when faced with caloric excess leads to healthy adipose tissue expansion, associated with lower amounts of inflammation, fibrosis, and insulin resistance. This review focuses on recent advances in our understanding of the identity of ASCs and their roles in adipose tissue development, homeostasis, expansion, and thermogenesis, and how these roles go awry in obesity. A better understanding of the biology of ASCs and their adipogenesis may lead to novel therapeutic targets for obesity and metabolic disease.
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49
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Wu H, Zhou X, Gong H, Ni Z, Xu Q. Perivascular tissue stem cells are crucial players in vascular disease. Free Radic Biol Med 2021; 165:324-333. [PMID: 33556462 DOI: 10.1016/j.freeradbiomed.2021.02.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 01/31/2021] [Accepted: 02/01/2021] [Indexed: 12/21/2022]
Abstract
Perivascular tissue including adipose layer and adventitia have been considered to play pivotal roles in vascular development and disease progression. Recent studies showed that abundant stem/progenitorcells (SPCs) are present in perivascular tissues. These SPCs exhibit capability to proliferate and differentiate into specific terminal cells. Adult perivascular SPCs are quiescent in normal condition, once activated by specific molecules (e.g., cytokines), they migrate toward the lumen side where they differentiate into both smooth muscle cells (SMCs) and endothelial cells (ECs), thus promoting intima hyperplasia or endothelial regeneration. In addition, perivascular SPCs can also regulate vascular diseases via other ways including but not limited to paracrine effects, matrix protein modulation and microvessel formation. Perivascular SPCs have also been shown to possess therapeutic potentials due to the capability to differentiate into vascular cells and regenerate vascular structures. This review summarizes current knowledge on resident SPCs features and discusses the potential benefits of SPCs therapy in vascular diseases.
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Affiliation(s)
- Hong Wu
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, China
| | - Xuhao Zhou
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, China
| | - Hui Gong
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, China
| | - Zhichao Ni
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, China.
| | - Qingbo Xu
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, China.
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50
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Callaghan MA, Alatorre-Hinojosa S, Connors LT, Singh RD, Thompson JA. Plasticizers and Cardiovascular Health: Role of Adipose Tissue Dysfunction. Front Pharmacol 2021; 11:626448. [PMID: 33716730 PMCID: PMC7947604 DOI: 10.3389/fphar.2020.626448] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 12/22/2020] [Indexed: 12/12/2022] Open
Abstract
Since the 1950s, the production of plastics has increased 200-fold, reaching 360 million tonnes in 2019. Plasticizers, additives that modify the flexibility and rigidity of the product, are ingested as they migrate into food and beverages. Human exposure is continuous and widespread; between 75 and 97% of urine samples contain detectable levels of bisphenols and phthalates, the most common plasticizers. Concern over the toxicity of plasticizers arose in the late 1990s, largely focused around adverse developmental and reproductive effects. More recently, many studies have demonstrated that exposure to plasticizers increases the risk for obesity, type 2 diabetes, and cardiovascular disease (CVD). In the 2000s, many governments including Canada, the United States and European countries restricted the use of certain plasticizers in products targeted towards infants and children. Resultant consumer pressure motivated manufacturers to substitute plasticizers with analogues, which have been marketed as safe. However, data on the effects of these new substitutes are limited and data available to-date suggest that many exhibit similar properties to the chemicals they replaced. The adverse effects of plasticizers have largely been attributed to their endocrine disrupting properties, which modulate hormone signaling. Adipose tissue has been well-documented to be a target of the disrupting effects of both bisphenols and phthalates. Since adipose tissue function is a key determinant of cardiovascular health, adverse effects of plasticizers on adipocyte signaling and function may underlie their link to cardiovascular disease. Herein, we discuss the current evidence linking bisphenols and phthalates to obesity and CVD and consider how documented impacts of these plasticizers on adipocyte function may contribute to the development of CVD.
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Affiliation(s)
- Mikyla A Callaghan
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada.,Libin Cardiovascular Institute, Calgary, AB, Canada
| | | | - Liam T Connors
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada.,Libin Cardiovascular Institute, Calgary, AB, Canada
| | - Radha D Singh
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada.,Libin Cardiovascular Institute, Calgary, AB, Canada
| | - Jennifer A Thompson
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada.,Libin Cardiovascular Institute, Calgary, AB, Canada.,Alberta Children's Health Research Institute, Calgary, AB, Canada
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