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Kostecka A, Kalamon N, Skoniecka A, Koczkowska M, Skowron PM, Piotrowski A, Pikuła M. Adipose-derived mesenchymal stromal cells in clinical trials: Insights from single-cell studies. Life Sci 2024; 351:122761. [PMID: 38866216 DOI: 10.1016/j.lfs.2024.122761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/15/2024] [Accepted: 05/27/2024] [Indexed: 06/14/2024]
Abstract
Mesenchymal Stromal Cells (MSCs) offer tremendous potential for the treatment of various diseases and their healing properties have been explored in hundreds of clinical trials. These trails primarily focus on immunological and neurological disorders, as well as regenerative medicine. Adipose tissue is a rich source of mesenchymal stromal cells and methods to obtain and culture adipose-derived MSCs (AD-MSCs) have been well established. Promising results from pre-clinical testing of AD-MSCs activity prompted clinical trials that further led to the approval of AD-MSCs for the treatment of complex perianal fistulas in Crohn's disease and subcutaneous tissue defects. However, AD-MSC heterogeneity along with various manufacturing protocols or different strategies to boost their activity create the need for standardized quality control procedures and safety assessment of the intended cell product. High-resolution transcriptomic methods have been recently gaining attention, as they deliver insight into gene expression profiles of individual cells, helping to deconstruct cellular hierarchy and differentiation trajectories, and to understand cell-cell interactions within tissues. This article presents a comprehensive overview of completed clinical trials evaluating the safety and efficacy of AD-MSC treatment, together with current single-cell studies of human AD-MSC. Furthermore, our work emphasizes the increasing significance of single-cell research in elucidating the mechanisms of cellular action and predicting their therapeutic effects.
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Affiliation(s)
- Anna Kostecka
- Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland; 3P - Medicine Laboratory, Medical University of Gdansk, Gdansk, Poland.
| | - Natalia Kalamon
- Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland.
| | - Aneta Skoniecka
- Laboratory of Tissue Engineering and Regenerative Medicine, Division of Embryology, Faculty of Medicine, Medical University of Gdansk, Dębinki 1, 80-211 Gdańsk, Poland.
| | - Magdalena Koczkowska
- Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland; 3P - Medicine Laboratory, Medical University of Gdansk, Gdansk, Poland.
| | - Piotr M Skowron
- Department of Molecular Biotechnology, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland.
| | - Arkadiusz Piotrowski
- Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland; 3P - Medicine Laboratory, Medical University of Gdansk, Gdansk, Poland.
| | - Michał Pikuła
- Laboratory of Tissue Engineering and Regenerative Medicine, Division of Embryology, Faculty of Medicine, Medical University of Gdansk, Dębinki 1, 80-211 Gdańsk, Poland.
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Liu X, Qin K, Wang C, Sun X, Li Y, Liu Y, Yang X. Butyric acid reduced lipid deposition in immortalized chicken preadipocyte by inhibiting cell proliferation and differentiation. Poult Sci 2024; 103:104171. [PMID: 39151213 DOI: 10.1016/j.psj.2024.104171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2024] [Revised: 07/30/2024] [Accepted: 07/31/2024] [Indexed: 08/18/2024] Open
Abstract
The hyperplasia and hypertrophy of preadipocytes were closely related to lipid deposition in animals. Butyric acid was reported to be involved in lipid metabolism. The aim of the current study was to investigate the effect of butyric acid on the proliferation and differentiation of the immortalized chicken preadipocyte 2 (ICP2). ICP2 were treated respectively with 12mM butyric acid for 48h in proliferation trial and 4mM butyric acid plus 200 μM oleic acid for 3 d in differentiation trial. For the proliferation trial, RNA-seq analysis revealed that 2039 genes were significantly up-regulated and 780 genes were significantly down-regulated with 12 mM butyric acid after 48 h treatment. Concurrently, Cell cycle, DNA replication and p53 signaling pathways were down-regulated in Butyric acid group. More importantly, 12 mM butyric acid restrained the expression of cell proliferation genes such as PCNA, CDK1 and CDK2 in Butyric acid group (P < 0.05), and the protein expression levels of PCNA and CDK1 were also significantly decreased (P < 0.05). The Oil red staining revealed a fewer presence of red fat droplets in ICP2 following treatment with 4 mM butyric acid, accompanied by decreased levels of total cholesterol (TC) and triglycerides (TG). RNA-seq analysis shown that the number of up and down-regulated genes were 2095 and 1042 respectively in OAB group (oleic acid+butyric acid) when compared with OA group (oleic acid). Meanwhile the AMPK signaling pathway, FOXO signaling pathway and focal adhesion were significantly enriched in OAB group. Additionally, 4 mM butyric acid inhibited the expression of lipid differentiation genes including FABP4, C/EBPα, PPARγ and LPL in OAB group (P < 0.05), as well as lipogenesis proteins such as FABP4, C/EBP-α and PPARγ (P < 0.05). In conclusion, 12 mM butyric acid effectively inhibited the proliferation of ICP2 by slowing down cell cycle progression, while 4 mM butyric acid alleviated lipid deposition by reducing the production of lipid droplets through inhibiting the expression of lipid differentiation marker genes and proteins.
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Affiliation(s)
- Xiaoying Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Kailong Qin
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Chaohui Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Xi Sun
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Yun Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Yanli Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Xiaojun Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China.
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Das S, Mukhuty A, Mullen GP, Rudolph MC. Adipocyte Mitochondria: Deciphering Energetic Functions across Fat Depots in Obesity and Type 2 Diabetes. Int J Mol Sci 2024; 25:6681. [PMID: 38928386 PMCID: PMC11203708 DOI: 10.3390/ijms25126681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 06/13/2024] [Accepted: 06/15/2024] [Indexed: 06/28/2024] Open
Abstract
Adipose tissue, a central player in energy balance, exhibits significant metabolic flexibility that is often compromised in obesity and type 2 diabetes (T2D). Mitochondrial dysfunction within adipocytes leads to inefficient lipid handling and increased oxidative stress, which together promote systemic metabolic disruptions central to obesity and its complications. This review explores the pivotal role that mitochondria play in altering the metabolic functions of the primary adipocyte types, white, brown, and beige, within the context of obesity and T2D. Specifically, in white adipocytes, these dysfunctions contribute to impaired lipid processing and an increased burden of oxidative stress, worsening metabolic disturbances. Conversely, compromised mitochondrial function undermines their thermogenic capabilities, reducing the capacity for optimal energy expenditure in brown adipocytes. Beige adipocytes uniquely combine the functional properties of white and brown adipocytes, maintaining morphological similarities to white adipocytes while possessing the capability to transform into mitochondria-rich, energy-burning cells under appropriate stimuli. Each type of adipocyte displays unique metabolic characteristics, governed by the mitochondrial dynamics specific to each cell type. These distinct mitochondrial metabolic phenotypes are regulated by specialized networks comprising transcription factors, co-activators, and enzymes, which together ensure the precise control of cellular energy processes. Strong evidence has shown impaired adipocyte mitochondrial metabolism and faulty upstream regulators in a causal relationship with obesity-induced T2D. Targeted interventions aimed at improving mitochondrial function in adipocytes offer a promising therapeutic avenue for enhancing systemic macronutrient oxidation, thereby potentially mitigating obesity. Advances in understanding mitochondrial function within adipocytes underscore a pivotal shift in approach to combating obesity and associated comorbidities. Reigniting the burning of calories in adipose tissues, and other important metabolic organs such as the muscle and liver, is crucial given the extensive role of adipose tissue in energy storage and release.
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Affiliation(s)
- Snehasis Das
- Harold Hamm Diabetes Center, Department of Biochemistry and Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Alpana Mukhuty
- Department of Zoology, Rampurhat College, Rampurhat 731224, India
| | - Gregory P. Mullen
- Harold Hamm Diabetes Center, Department of Biochemistry and Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Michael C. Rudolph
- Harold Hamm Diabetes Center, Department of Biochemistry and Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
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Dai Y, Lv Z, You M, Sun L, Li C. PPARα alleviates inflammation via inhibiting NF-κB/Rel pathway in Vibrio splendidus challenged Apostichopus japonicus. FISH & SHELLFISH IMMUNOLOGY 2023; 135:108701. [PMID: 36948368 DOI: 10.1016/j.fsi.2023.108701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/09/2023] [Accepted: 03/18/2023] [Indexed: 06/18/2023]
Abstract
Organisms trigger pro-inflammatory responses to resist the invasion of foreign pathogens in the early infection stage. However, excessive or chronic inflammation can also cause several diseases. We previously validated IL-17 from sea cucumbers mediated inflammatory response by the IL-17R-TRAF6 axis. But the anti-inflammatory effect was largely unknown in the species. In this study, the conserved PPARα gene was obtained from Apostichopus japonicus by RNA-seq and RACE approaches. The expression of AjPPARα was found to be significantly induced at the late stage of infection not only in Vibrio splendidus-challenged sea cucumbers, but also in LPS-exposed coelomocytes, which was negative correlation to that of AjIL-17 and AjNLRP3. Both silencing AjPPARα by specific siRNA and treatment with AjPAPRα inhibitor MK-886 could significantly upregulate the transcriptional levels of pro-inflammatory factors the AjIL-17 and AjNLRP3. The infiltration of inflammatory cells and tissues damage were also detected in the body walls in the same condition. In contrast, AjPAPRα agonist of WY14643 treatment could alleviate the V. splendidus-induced tissue injury. To further explore the molecular mechanism of AjPPARα-mediated anti-inflammatory in A. japonicus, the expression of the transcriptional factors of AjStat5 and AjRel (subunit of NF-κB) were investigated under AjPPARα aberrant expression conditions and found that AjRel exhibited a negative regulatory relationship to AjPPARα. Furthermore, silencing AjRel was led to down-regulation of AjIL-17 and AjNLRP3. Taken together, our results supported that AjPPARα exerted anti-inflammatory effects through inhibiting AjRel in response to V. splendidus infection.
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Affiliation(s)
- Yingfen Dai
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Ningbo University, Ningbo, 315211, PR China
| | - Zhimeng Lv
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Ningbo University, Ningbo, 315211, PR China
| | - Meixiang You
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Ningbo University, Ningbo, 315211, PR China
| | - Lianlian Sun
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Ningbo University, Ningbo, 315211, PR China.
| | - Chenghua Li
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Ningbo University, Ningbo, 315211, PR China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, PR China.
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Ziqubu K, Dludla PV, Mthembu SXH, Nkambule BB, Mabhida SE, Jack BU, Nyambuya TM, Mazibuko-Mbeje SE. An insight into brown/beige adipose tissue whitening, a metabolic complication of obesity with the multifactorial origin. Front Endocrinol (Lausanne) 2023; 14:1114767. [PMID: 36875450 PMCID: PMC9978510 DOI: 10.3389/fendo.2023.1114767] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 02/06/2023] [Indexed: 02/18/2023] Open
Abstract
Brown adipose tissue (BAT), a thermoregulatory organ known to promote energy expenditure, has been extensively studied as a potential avenue to combat obesity. Although BAT is the opposite of white adipose tissue (WAT) which is responsible for energy storage, BAT shares thermogenic capacity with beige adipose tissue that emerges from WAT depots. This is unsurprising as both BAT and beige adipose tissue display a huge difference from WAT in terms of their secretory profile and physiological role. In obesity, the content of BAT and beige adipose tissue declines as these tissues acquire the WAT characteristics via the process called "whitening". This process has been rarely explored for its implication in obesity, whether it contributes to or exacerbates obesity. Emerging research has demonstrated that BAT/beige adipose tissue whitening is a sophisticated metabolic complication of obesity that is linked to multiple factors. The current review provides clarification on the influence of various factors such as diet, age, genetics, thermoneutrality, and chemical exposure on BAT/beige adipose tissue whitening. Moreover, the defects and mechanisms that underpin the whitening are described. Notably, the BAT/beige adipose tissue whitening can be marked by the accumulation of large unilocular lipid droplets, mitochondrial degeneration, and collapsed thermogenic capacity, by the virtue of mitochondrial dysfunction, devascularization, autophagy, and inflammation.
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Affiliation(s)
- Khanyisani Ziqubu
- Department of Biochemistry, North-West University, Mmabatho, South Africa
| | - Phiwayinkosi V. Dludla
- Biomedical Research and Innovation Platform, South African Medical Research Council, Tygerberg, South Africa
- Department of Biochemistry and Microbiology, Faculty of Science and Agriculture, University of Zululand, KwaDlangezwa, South Africa
| | - Sinenhlanhla X. H. Mthembu
- Department of Biochemistry, North-West University, Mmabatho, South Africa
- Biomedical Research and Innovation Platform, South African Medical Research Council, Tygerberg, South Africa
| | - Bongani B. Nkambule
- School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Sihle E. Mabhida
- Biomedical Research and Innovation Platform, South African Medical Research Council, Tygerberg, South Africa
| | - Babalwa U. Jack
- Biomedical Research and Innovation Platform, South African Medical Research Council, Tygerberg, South Africa
| | - Tawanda M. Nyambuya
- Department of Health Sciences, Faculty of Health and Applied Sciences, Namibia University of Science and Technology, Windhoek, Namibia
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Luo W, Kim Y, Jensen ME, Herlea-Pana O, Wang W, Rudolph MC, Friedman JE, Chernausek SD, Jiang S. miR-130b/301b Is a Negative Regulator of Beige Adipogenesis and Energy Metabolism In Vitro and In Vivo. Diabetes 2022; 71:2360-2371. [PMID: 36001751 PMCID: PMC9630090 DOI: 10.2337/db22-0205] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 08/22/2022] [Indexed: 11/13/2022]
Abstract
Thermogenic brown or beige adipocytes dissipate energy in the form of heat and thereby counteract obesity and related metabolic complications. The miRNA cluster miR-130b/301b is highly expressed in adipose tissues and has been implicated in metabolic diseases as a posttranscriptional regulator of mitochondrial biogenesis and lipid metabolism. We investigated the roles of miR-130b/301b in regulating beige adipogenesis in vivo and in vitro. miR-130b/301b declined in adipose progenitor cells during beige adipogenesis, while forced overexpression of miR-130b-3p or miR-301b-3p suppressed uncoupling protein 1 (UCP1) and mitochondrial respiration, suggesting that a decline in miR-130b-3p or miR-301b-3p is required for adipocyte precursors to develop the beige phenotype. Mechanistically, miR-130b/301b directly targeted AMP-activated protein kinase (AMPKα1) and suppressed peroxisome proliferator-activated receptor γ coactivator-1α (Pgc-1α), key regulators of brown adipogenesis and mitochondrial biogenesis. Mice lacking the miR-130b/301b miRNA cluster showed reduced visceral adiposity and less weight gain. miR-130b/301b null mice exhibited improved glucose tolerance, increased UCP1 and AMPK activation in subcutaneous fat (inguinal white adipose tissue [iWAT]), and increased response to cold-induced energy expenditure. Together, these data identify the miR-130b/301b cluster as a new regulator that suppresses beige adipogenesis involving PGC-1α and AMPK signaling in iWAT and is therefore a potential therapeutic target against obesity and related metabolic disorders.
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Affiliation(s)
- Wenyi Luo
- Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Youngsil Kim
- Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Mary Ellen Jensen
- Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Oana Herlea-Pana
- Department of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Weidong Wang
- Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
- Department of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Michael C. Rudolph
- Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
- Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Jacob E. Friedman
- Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
- Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Steven D. Chernausek
- Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
- Section of Diabetes and Endocrinology, Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Shaoning Jiang
- Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
- Section of Diabetes and Endocrinology, Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OK
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Tao X, Du R, Guo S, Feng X, Yu T, OuYang Q, Chen Q, Fan X, Wang X, Guo C, Li X, Xue F, Chen S, Tong M, Lazarus M, Zuo S, Yu Y, Shen Y. PGE 2 -EP3 axis promotes brown adipose tissue formation through stabilization of WTAP RNA methyltransferase. EMBO J 2022; 41:e110439. [PMID: 35781818 DOI: 10.15252/embj.2021110439] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 05/12/2022] [Accepted: 05/17/2022] [Indexed: 11/09/2022] Open
Abstract
Brown adipose tissue (BAT) functions as a thermogenic organ and is negatively associated with cardiometabolic diseases. N6 -methyladenosine (m6 A) modulation regulates the fate of stem cells. Here, we show that the prostaglandin E2 (PGE2 )-E-prostanoid receptor 3 (EP3) axis was activated during mouse interscapular BAT development. Disruption of EP3 impaired the browning process during adipocyte differentiation from pre-adipocytes. Brown adipocyte-specific depletion of EP3 compromised interscapular BAT formation and aggravated high-fat diet-induced obesity and insulin resistance in vivo. Mechanistically, activation of EP3 stabilized the Zfp410 mRNA via WTAP-mediated m6 A modification, while knockdown of Zfp410 abolished the EP3-induced enhancement of brown adipogenesis. EP3 prevented ubiquitin-mediated degradation of WTAP by eliminating PKA-mediated ERK1/2 inhibition during brown adipocyte differentiation. Ablation of WTAP in brown adipocytes abrogated the protective effect of EP3 overexpression in high-fat diet-fed mice. Inhibition of EP3 also retarded human embryonic stem cell differentiation into mature brown adipocytes by reducing the WTAP levels. Thus, a conserved PGE2 -EP3 axis promotes BAT development by stabilizing WTAP/Zfp410 signaling in a PKA/ERK1/2-dependent manner.
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Affiliation(s)
- Xixi Tao
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Ronglu Du
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Shumin Guo
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Xiangling Feng
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Tingting Yu
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Qian OuYang
- State Key Laboratory of Pharmaceutical Biotechnology, MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing Biomedical Research Institute, Nanjing University, Nanjing, China
| | - Qiaoli Chen
- State Key Laboratory of Pharmaceutical Biotechnology, MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing Biomedical Research Institute, Nanjing University, Nanjing, China
| | - Xutong Fan
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Xueqi Wang
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Chen Guo
- Department of Gynecology and Obstetrics, Tianjin Key Laboratory of Female Reproductive Health and Eugenics, Tianjin Medical University General Hospital, Tianjin, China
| | - Xiaozhou Li
- Department of Gynecology and Obstetrics, Tianjin Key Laboratory of Female Reproductive Health and Eugenics, Tianjin Medical University General Hospital, Tianjin, China
| | - Fengxia Xue
- Department of Gynecology and Obstetrics, Tianjin Key Laboratory of Female Reproductive Health and Eugenics, Tianjin Medical University General Hospital, Tianjin, China
| | - Shuai Chen
- State Key Laboratory of Pharmaceutical Biotechnology, MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing Biomedical Research Institute, Nanjing University, Nanjing, China
| | - Minghan Tong
- State Key Laboratory of Molecular Biology, Shanghai Key Laboratory of Molecular Andrology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Michael Lazarus
- International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, Tsukuba City, Japan
| | - Shengkai Zuo
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Ying Yu
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Yujun Shen
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
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8
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Kirschner KM, Scholz H. WT1 in Adipose Tissue: From Development to Adult Physiology. Front Cell Dev Biol 2022; 10:854120. [PMID: 35372335 PMCID: PMC8965737 DOI: 10.3389/fcell.2022.854120] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 02/28/2022] [Indexed: 11/30/2022] Open
Abstract
Much of the fascination of the Wilms tumor protein (WT1) emanates from its unique roles in development and disease. Ubiquitous Wt1 deletion in adult mice causes multiple organ failure including a reduction of body fat. WT1 is expressed in fat cell progenitors in visceral white adipose tissue (WAT) but detected neither in energy storing subcutaneous WAT nor in heat producing brown adipose tissue (BAT). Our recent findings indicate that WT1 represses thermogenic genes and maintains the white adipose identity of visceral fat. Wt1 heterozygosity in mice is associated with molecular and morphological signs of browning including elevated levels of uncoupling protein 1 (UCP1) in epididymal WAT. Compared to their wild-type littermates, Wt1 heterozygous mice exhibit significantly improved whole-body glucose tolerance and alleviated hepatic steatosis under high-fat diet. Partial protection of heterozygous Wt1 knockout mice against metabolic dysfunction is presumably related to browning of their epididymal WAT. In the light of recent advancements, this article reviews the role of WT1 in the development of visceral WAT and its supposed function as a regulator of white adipose identity.
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Harnichar AE, Zubiría MG, Giordano AP, Miguel I, Rey MA, Spinedi E, Giovambattista A. Inhibitory effect of androgens on white adipose tissue thermogenic capacity. Mol Cell Endocrinol 2022; 543:111542. [PMID: 34995681 DOI: 10.1016/j.mce.2021.111542] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 12/26/2021] [Accepted: 12/28/2021] [Indexed: 01/29/2023]
Abstract
White adipose tissue (WAT) browning has gained interest due to its impact in obesity. Here, we evaluated the effect of androgens on the Ucp1-dependent thermogenic process from inguinal (IAT) and retroperitoneal (RPAT) WAT. Surgically androgens depleted rats (ODX) showed basal thermogenic activation (room temperature) in both WAT depots, which expressed higher levels of Ucp1, Prdm16 and Pgc1a. WAT pads from ODX cold-exposed rats (ODX-C) expressed increased levels of Ucp1 and Pgc1a and showed high UCP1 protein content. In primary beige adipocyte cultures, testosterone decreased the mitochondrial marker Cox8b and mitochondrial content. Finally, testosterone and dihydrotestosterone (DHT) decreased the expression of Ucp1, Pcg1a and Prdm16 in forskolin-stimulated beige adipocytes, an effect that was prevented by the antiandrogen flutamide. In conclusion, androgen deficient rats developed WAT depots with enhanced basal and cold-stimulated thermogenic activity. Additionally, in vitro androgen treatments inhibited the thermogenic program, effect which was mediated by the androgen receptor pathway.
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Affiliation(s)
- Alejandro Ezequiel Harnichar
- Neuroendocrinology Laboratory, Multidisciplinary Institute of Cellular Biology (IMBICE, CICPBA-CONICET-UNLP), 526 10 y 11, La Plata, 1900, Argentina
| | - María Guillermina Zubiría
- Neuroendocrinology Laboratory, Multidisciplinary Institute of Cellular Biology (IMBICE, CICPBA-CONICET-UNLP), 526 10 y 11, La Plata, 1900, Argentina; Biology Department, School of Exact Sciences, Universidad Nacional de La Plata, La Plata, 1900, Argentina
| | - Alejandra Paula Giordano
- Neuroendocrinology Laboratory, Multidisciplinary Institute of Cellular Biology (IMBICE, CICPBA-CONICET-UNLP), 526 10 y 11, La Plata, 1900, Argentina
| | - Ignacio Miguel
- Neuroendocrinology Laboratory, Multidisciplinary Institute of Cellular Biology (IMBICE, CICPBA-CONICET-UNLP), 526 10 y 11, La Plata, 1900, Argentina
| | - María Amanda Rey
- Neuroendocrinology Laboratory, Multidisciplinary Institute of Cellular Biology (IMBICE, CICPBA-CONICET-UNLP), 526 10 y 11, La Plata, 1900, Argentina
| | - Eduardo Spinedi
- Centre of Experimental and Applied Endocrinology (CENEXA, UNLP-CONICET), La Plata Medical School, Universidad Nacional de La Plata, La Plata, 1900, Argentina
| | - Andrés Giovambattista
- Neuroendocrinology Laboratory, Multidisciplinary Institute of Cellular Biology (IMBICE, CICPBA-CONICET-UNLP), 526 10 y 11, La Plata, 1900, Argentina; Biology Department, School of Exact Sciences, Universidad Nacional de La Plata, La Plata, 1900, Argentina.
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10
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Kirk AB, Michelsen-Correa S, Rosen C, Martin CF, Blumberg B. PFAS and Potential Adverse Effects on Bone and Adipose Tissue Through Interactions With PPARγ. Endocrinology 2021; 162:6364127. [PMID: 34480479 PMCID: PMC9034324 DOI: 10.1210/endocr/bqab194] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Indexed: 01/06/2023]
Abstract
Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a widely dispersed, broad class of synthetic chemicals with diverse biological effects, including effects on adipose and bone differentiation. PFAS most commonly occur as mixtures and only rarely, if ever, as single environmental contaminants. This poses significant regulatory questions and a pronounced need for chemical risk assessments, analytical methods, and technological solutions to reduce the risk to public and environmental health. The effects of PFAS on biological systems may be complex. Each may have several molecular targets initiating multiple biochemical events leading to a number of different adverse outcomes. An exposure to mixtures or coexposures of PFAS complicates the picture further. This review illustrates how PFAS target peroxisome proliferator-activated receptors. Additionally, we describe how such activation leads to changes in cell differentiation and bone development that contributes to metabolic disorder and bone weakness. This discussion sheds light on the importance of seemingly modest outcomes observed in test animals and highlights why the most sensitive end points identified in some chemical risk assessments are significant from a public health perspective.
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Affiliation(s)
- Andrea B Kirk
- Correspondence: Andrea Kirk, PhD, US EPA Headquarters, William Jefferson Clinton Bldg, 1200 Pennsylvania Ave NW, Mail Code 5201P, Washington, DC 20460, USA.
| | - Stephani Michelsen-Correa
- EPA Office of Chemical Safety and Pollution Prevention, Biopesticides and Pollution Prevention Division, Washington, District of Columbia 20460, USA
| | - Cliff Rosen
- Tufts University School of Medicine, Boston, Massachusetts 02111, USA
| | | | - Bruce Blumberg
- University of California, Irvine, Irvine, California 92697, USA
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11
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Zhong Y, Li X, Wang F, Wang S, Wang X, Tian X, Bai S, Miao D, Fan J. Emerging Potential of Exosomes on Adipogenic Differentiation of Mesenchymal Stem Cells. Front Cell Dev Biol 2021; 9:649552. [PMID: 34239869 PMCID: PMC8258133 DOI: 10.3389/fcell.2021.649552] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 05/28/2021] [Indexed: 12/20/2022] Open
Abstract
The mesenchymal stem cells have multidirectional differentiation potential and can differentiate into adipocytes, osteoblasts, cartilage tissue, muscle cells and so on. The adipogenic differentiation of mesenchymal stem cells is of great significance for the construction of tissue-engineered fat and the treatment of soft tissue defects. Exosomes are nanoscale vesicles secreted by cells and widely exist in body fluids. They are mainly involved in cell communication processes and transferring cargo contents to recipient cells. In addition, exosomes can also promote tissue and organ regeneration. Recent studies have shown that various exosomes can influence the adipogenic differentiation of stem cells. In this review, the effects of exosomes on stem cell differentiation, especially on adipogenic differentiation, will be discussed, and the mechanisms and conclusions will be drawn. The main purpose of studying the role of these exosomes is to understand more comprehensively the influencing factors existing in the process of stem cell differentiation into adipocytes and provide a new idea in adipose tissue engineering research.
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Affiliation(s)
- Yuxuan Zhong
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, China
| | - Xiang Li
- Department of Cell Biology, Key Laboratory of Cell Biology, Ministry of Public Health, Key Laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, China
| | - Fanglin Wang
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, China
| | - Shoushuai Wang
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, China
| | - Xiaohong Wang
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, China
| | - Xiaohong Tian
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, China
| | - Shuling Bai
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, China
| | - Di Miao
- China Medical University-The Queen's University of Belfast Joint College-Combination, Shenyang, China
| | - Jun Fan
- Department of Tissue Engineering, School of Fundamental Science, China Medical University, Shenyang, China
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