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Wang LL, Lu ZJ, Luo SK, Li Y, Yang Z, Lu HY. Unveiling the role of hypoxia-inducible factor 2alpha in osteoporosis: Implications for bone health. World J Stem Cells 2024; 16:389-409. [PMID: 38690514 PMCID: PMC11056635 DOI: 10.4252/wjsc.v16.i4.389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/12/2024] [Accepted: 02/21/2024] [Indexed: 04/25/2024] Open
Abstract
BACKGROUND Osteoporosis (OP) has become a major public health problem worldwide. Most OP treatments are based on the inhibition of bone resorption, and it is necessary to identify additional treatments aimed at enhancing osteogenesis. In the bone marrow (BM) niche, bone mesenchymal stem cells (BMSCs) are exposed to a hypoxic environment. Recently, a few studies have demonstrated that hypoxia-inducible factor 2alpha (HIF-2α) is involved in BMSC osteogenic differentiation, but the molecular mechanism involved has not been determined. AIM To investigate the effect of HIF-2α on the osteogenic and adipogenic differentiation of BMSCs and the hematopoietic function of hematopoietic stem cells (HSCs) in the BM niche on the progression of OP. METHODS Mice with BMSC-specific HIF-2α knockout (Prx1-Cre;Hif-2αfl/fl mice) were used for in vivo experiments. Bone quantification was performed on mice of two genotypes with three interventions: Bilateral ovariectomy, semilethal irradiation, and dexamethasone treatment. Moreover, the hematopoietic function of HSCs in the BM niche was compared between the two mouse genotypes. In vitro, the HIF-2α agonist roxadustat and the HIF-2α inhibitor PT2399 were used to investigate the function of HIF-2α in BMSC osteogenic and adipogenic differentiation. Finally, we investigated the effect of HIF-2α on BMSCs via treatment with the mechanistic target of rapamycin (mTOR) agonist MHY1485 and the mTOR inhibitor rapamycin. RESULTS The quantitative index determined by microcomputed tomography indicated that the femoral bone density of Prx1-Cre;Hif-2αfl/fl mice was lower than that of Hif-2αfl/fl mice under the three intervention conditions. In vitro, Hif-2αfl/fl mouse BMSCs were cultured and treated with the HIF-2α agonist roxadustat, and after 7 d of BMSC adipogenic differentiation, the oil red O staining intensity and mRNA expression levels of adipogenesis-related genes in BMSCs treated with roxadustat were decreased; in addition, after 14 d of osteogenic differentiation, BMSCs treated with roxadustat exhibited increased expression of osteogenesis-related genes. The opposite effects were shown for mouse BMSCs treated with the HIF-2α inhibitor PT2399. The mTOR inhibitor rapamycin was used to confirm that HIF-2α regulated BMSC osteogenic and adipogenic differentiation by inhibiting the mTOR pathway. Consequently, there was no significant difference in the hematopoietic function of HSCs between Prx1-Cre;Hif-2αfl/fl and Hif-2αfl/fl mice. CONCLUSION Our study showed that inhibition of HIF-2α decreases bone mass by inhibiting the osteogenic differentiation and increasing the adipogenic differentiation of BMSCs through inhibition of mTOR signaling in the BM niche.
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Affiliation(s)
- Ling-Ling Wang
- Department of Gerontology, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong Province, China
| | - Zhan-Jin Lu
- Department of Endocrinology and Metabolism, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong Province, China
| | - Shun-Kui Luo
- Department of Endocrinology and Metabolism, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong Province, China
| | - Yun Li
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong Province, China
| | - Zhe Yang
- Department of Endocrinology and Metabolism, Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University, the First Hospital Affiliated with Medical College of Macao University of Science and Technology), Zhuhai 519000, Guangdong Province, China
| | - Hong-Yun Lu
- Department of Endocrinology and Metabolism, Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University, the First Hospital Affiliated with Medical College of Macao University of Science and Technology), Zhuhai 519000, Guangdong Province, China.
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Zhang Y, Zheng L, Cheng D, Lei C, Li H, Zhou J, Zhang C, Song F, Zeng T, Zhao X. Chronic di(2-ethylhexyl) phthalate exposure at environmental-relevant doses induces osteoporosis by disturbing the differentiation of bone marrow mesenchymal stem cells. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 914:169918. [PMID: 38190899 DOI: 10.1016/j.scitotenv.2024.169918] [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: 10/27/2023] [Revised: 01/02/2024] [Accepted: 01/02/2024] [Indexed: 01/10/2024]
Abstract
Di(2-ethylhexyl) phthalate (DEHP) is a widely used plastic additive with persistent characteristics in the environment. This study was designed to investigate the detrimental effects of chronic DEHP exposure at environmental-relevant doses on bone metabolism and the underlying mechanisms. It was found that exposure to 25 μg/kg bw and 50 μg/kg bw DEHP for 29 weeks led to a reduction of whole-body bone mineral density (BMD), femur microstructure damage, decreased femur new bone formation, and increased femur bone marrow adipogenesis in C57BL/6 female mice, which was not observed in mice exposed to 5000 μg/kg bw DEHP. Further in vitro study showed that DEHP treatment robustly promoted adipogenic differentiation and suppressed osteogenic differentiation of the bone marrow mesenchymal stem cells (BMSCs). Mechanistically, DEHP exposure resulted in elevated expressions of DYRK1B, CDK5, PPARγ, and p-PPARγSer273 in both bone tissue and BMSCs. Interestingly, co-IP analysis showed potential interactions among DYRK1B, PPARγ, and CDK5. Lastly, antagonists of DYRK1B and CDK5 effectively alleviated the BMSCs differentiation disturbance induced by DEHP. These results suggest that DEHP may disturb the BMSCs differentiation by upregulating the PPARγ signaling which may be associated with the activation of DYRK1B and CDK5.
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Affiliation(s)
- Yifan Zhang
- Institute of Toxicology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Liugen Zheng
- Hainan Provincial Center for Disease Control and Prevention, Haikou 570203, China
| | - Dong Cheng
- Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - Changting Lei
- Institute of Toxicology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Hui Li
- Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - Jun Zhou
- Institute of Toxicology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Cuili Zhang
- Institute of Toxicology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Fuyong Song
- Institute of Toxicology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Tao Zeng
- Institute of Toxicology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, China.
| | - Xiulan Zhao
- Institute of Toxicology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, China.
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Fani N, Moradi M, Zavari R, Parvizpour F, Soltani A, Arabpour Z, Jafarian A. Current Advances in Wound Healing and Regenerative Medicine. Curr Stem Cell Res Ther 2024; 19:277-291. [PMID: 36856176 DOI: 10.2174/1574888x18666230301140659] [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: 09/17/2022] [Revised: 01/07/2023] [Accepted: 01/11/2023] [Indexed: 03/02/2023]
Abstract
Treating chronic wounds is a common and costly challenge worldwide. More advanced treatments are needed to improve wound healing and prevent severe complications such as infection and amputation. Like other medical fields, there have been advances in new technologies promoting wound healing potential. Regenerative medicine as a new method has aroused hope in treating chronic wounds. The technology improving wound healing includes using customizable matrices based on synthetic and natural polymers, different types of autologous and allogeneic cells at different differentiation phases, small molecules, peptides, and proteins as a growth factor, RNA interference, and gene therapy. In the last decade, various types of wound dressings have been designed. Emerging dressings include a variety of interactive/ bioactive dressings and tissue-engineering skin options. However, there is still no suitable and effective dressing to treat all chronic wounds. This article reviews different wounds and common treatments, advanced technologies and wound dressings, the advanced wound care market, and some interactive/bioactive wound dressings in the market.
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Affiliation(s)
- Nesa Fani
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Maryam Moradi
- MD-MPH Iran University of Medical Sciences, Tehran, Iran
| | - Roxana Zavari
- Iranian Tissue Bank & Research Center, Gene, Cell & Tissue Institute; Tehran University of Medical Sciences, Tehran, Iran
| | - Farzad Parvizpour
- Iranian Tissue Bank & Research Center, Gene, Cell & Tissue Institute; Tehran University of Medical Sciences, Tehran, Iran
- Department of Molecular Medicine, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Adele Soltani
- CinnaGen Medical Biotechnology Research Center, Alborz University of Medical Sciences, Karaj, Iran
- CinnaGen Research and Production Co., Alborz, Iran
| | - Zohreh Arabpour
- Iranian Tissue Bank & Research Center, Gene, Cell & Tissue Institute; Tehran University of Medical Sciences, Tehran, Iran
| | - Arefeh Jafarian
- Iranian Tissue Bank & Research Center, Gene, Cell & Tissue Institute; Tehran University of Medical Sciences, Tehran, Iran
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Waldbaum JD, Xhumari J, Akinsuyi OS, Arjmandi B, Anton S, Roesch LFW. Association between Dysbiosis in the Gut Microbiota of Primary Osteoporosis Patients and Bone Loss. Aging Dis 2023; 14:2081-2095. [PMID: 37199579 PMCID: PMC10676803 DOI: 10.14336/ad.2023.0425] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 04/25/2023] [Indexed: 05/19/2023] Open
Abstract
In recent decades, gut microbiome research has experienced significant growth, driven by technological advances that enable quantifying bacterial taxa with greater precision. Age, diet, and living environment have emerged as three key factors influencing gut microbes. Dysbiosis, resulting from alterations in these factors, may lead to changes in bacterial metabolites that regulate pro- and anti-inflammatory processes and consequently impact bone health. Restoration of a healthy microbiome signature could mitigate inflammation and potentially reduce bone loss associated with osteoporosis or experienced by astronauts during spaceflight. However, current research is hindered by contradictory findings, insufficient sample sizes, and inconsistency in experimental conditions and controls. Despite progress in sequencing technology, defining a healthy gut microbiome across global populations remains elusive. Challenges persist in identifying accurate gut bacterial metabolics, specific taxa, and their effects on host physiology. We suggest greater attention be directed towards this issue in Western countries as the cost of treating osteoporosis in the United States reaches billions of dollars annually, with expenses projected to continue rising.
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Affiliation(s)
- Julien D.H. Waldbaum
- Department of Microbiology and Cell Science, College of Agriculture and Life Sciences, University of Florida, Florida, USA.
| | - Jessica Xhumari
- Department of Microbiology and Cell Science, College of Agriculture and Life Sciences, University of Florida, Florida, USA.
| | - Oluwamayowa S. Akinsuyi
- Department of Microbiology and Cell Science, College of Agriculture and Life Sciences, University of Florida, Florida, USA.
| | - Bahram Arjmandi
- Department of Nutrition and Integrative Physiology, College of Health and Human Sciences, Florida State University, Florida, USA.
| | - Stephen Anton
- Department of Physiology and Aging, College of Public Health and Health Professions, College of Medicine, University of Florida, Florida, USA.
| | - Luiz Fernando Wurdig Roesch
- Department of Microbiology and Cell Science, College of Agriculture and Life Sciences, University of Florida, Florida, USA.
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Tang Y, Zhang M. Fibroblast growth factor 21 and bone homeostasis. Biomed J 2023; 46:100548. [PMID: 35850479 PMCID: PMC10345222 DOI: 10.1016/j.bj.2022.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 05/24/2022] [Accepted: 07/09/2022] [Indexed: 02/05/2023] Open
Abstract
Fibroblast growth factor 21 (FGF21), a member of the FGF subfamily, is produced primarily in the liver and adipose tissue. The main function of FGF21 is to regulate energy metabolism of carbohydrates and lipids in the body through endocrine and other means, making FGF21 have potential clinical value in the treatment of metabolic disorders. Although FGF21 and its receptors play a role in the regulation of bone homeostasis through a variety of signaling pathways, a large number of studies have reported that the abuse of FGF21 and its analogues and the abnormal expression of FGF21 in vivo may be associated with bone abnormalities. Due to limited research information on the effect of FGF21 on bone metabolism regulation, the role of FGF21 in the process of bone homeostasis regulation and the mechanism of its occurrence and development have not been fully clarified. Certainly, the various roles played by FGF21 in the regulation of bone homeostasis deserve increasing attention. In this review, we summarize the basic physiological knowledge of FGF21 and the effects of FGF21 on metabolic homeostasis of the skeletal system in animal and human studies. The information provided in this review may prove beneficial for the intervention of bone diseases.
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Affiliation(s)
- Yan Tang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Guoxue Lane, Chengdu, Sichuan, China
| | - Mei Zhang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Guoxue Lane, Chengdu, Sichuan, China.
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Chou L, Chang Y, Lan K, Liu M, Lu Y, Li X, Li P, Xu Y. CCK regulates osteogenic differentiation through TNFα/NF-κB in peri-implantitis. J Int Med Res 2022; 50:3000605221141312. [PMID: 36495169 DOI: 10.1177/03000605221141312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVE Peri-implantitis is characterized by peri-implant mucositis and alveolar bone resorption. This study investigated cholecystokinin (CCK) expression and the mechanism underlying its involvement in peri-implantitis. METHODS mRNA sequencing was performed using the Gene Expression Omnibus database GSE106090. Human bone marrow mesenchymal stem cells (hBMSCs) were pretreated with various concentrations of CCK (0, 10, 30, or 100 nM) for 1 hour before induction in osteogenic differentiation medium for 2 weeks. Alkaline phosphatase (ALP) activity was determined, and the cells were stained with alizarin red. The expression levels of TNFα and the osteogenic markers ALP, RUNX2, and OCN were measured using quantitative real-time PCR. TNFα, phosphorylated P65, and total P65 levels were determined by western blot. RESULTS Compared with healthy individuals, 262 and 215 genes were up- and down-regulated, respectively, in the periodontal tissues of patients with peri-implantitis. CCK expression was significantly upregulated in patients with peri-implantitis. CCK reduced ALP activity, osteogenic differentiation, and levels of the osteogenic markers ALP, RUNX2, and OCN. Moreover, CCK promoted levels of TNFα and phosphorylated P65, which is a marker of activation for the NF-κB inflammatory pathway. CONCLUSIONS CCK regulates osteogenic differentiation through the TNFα/NF-κB axis in peri-implantitis.
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Affiliation(s)
- LongHang Chou
- Department of Orthodontics, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangdong, Guangzhou, China
| | - YaTing Chang
- Department of Orthodontics, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangdong, Guangzhou, China
| | - KaiWen Lan
- Department of Prosthodontics, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangdong, Guangzhou, China
| | - Meng Liu
- Department of Orthodontics, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangdong, Guangzhou, China
| | - YuKun Lu
- Department of Orthodontics, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangdong, Guangzhou, China
| | - XiaoLei Li
- Department of Orthodontics, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangdong, Guangzhou, China
| | - PeiRu Li
- Department of Orthodontics, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangdong, Guangzhou, China
| | - Yue Xu
- Department of Orthodontics, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangdong, Guangzhou, China
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Andleeb A, Mehmood A, Tariq M, Butt H, Ahmed R, Andleeb A, Ghufran H, Ramzan A, Ejaz A, Malik K, Riazuddin S. Hydrogel patch with pretreated stem cells accelerates wound closure in diabetic rats. BIOMATERIALS ADVANCES 2022; 142:213150. [PMID: 36306556 DOI: 10.1016/j.bioadv.2022.213150] [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: 05/17/2022] [Revised: 09/29/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Delay in wound healing is a diabetes mellites resulting disorder causing persistent microbial infections, pain, and poor quality of life. This disorder is treated by several strategies using natural biomaterials, growth factors and stem cells molded into various scaffolds which possess the potential to accelerate the closure of impaired diabetic wounds. In this study, we developed a hydrogel patch using chitosan (CS) and polyethylene glycol (PEG) with laden bone marrow-derived mesenchymal stem cells (BMSCs) that were pretreated with fibroblast growth factor 21 (FGF21). The developed hydrogel patches were characterized by scanning electron microscopy and fourier transform infrared (FTIR) spectroscopy. After studying the swelling behavior, growth factor (FGF21) was used to modulate BMSC in the hyperglycemic environment. Later, FGF21 treated BMSC were embedded in CS/PEG hydrogel patch and their wound closure effect was assessed in diabetic rats. The results showed that CS/PEG hydrogel patches have good biocompatibility and possess efficient BMSC recruiting properties. The application of CS/PEG hydrogel patches accelerated wound closure in diabetic rats as compared to the control groups. However, the use of FGF21 pretreated BMSCs laded CS/PEG hydrogel patches further increased the therapeutic efficacy of wound closure in diabetic rats. This study demonstrated that the application of a hydrogel patch of CS/PEG with FGF21 pretreated BMSCs improves diabetic wound healing, but further studies are needed on larger animals before the use of these dressings in clinical trials.
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Affiliation(s)
- Anisa Andleeb
- National Centre of Excellence in Molecular Biology, University of the Punjab, 87-West Canal Bank Road, Lahore, Pakistan; Department of Biotechnology, Faculty of Natural and Applied Sciences, Mirpur University of Science and Technology, Mirpur 10250, AJK, Pakistan
| | - Azra Mehmood
- National Centre of Excellence in Molecular Biology, University of the Punjab, 87-West Canal Bank Road, Lahore, Pakistan
| | - Muhammad Tariq
- Department of Biotechnology, Faculty of Natural and Applied Sciences, Mirpur University of Science and Technology, Mirpur 10250, AJK, Pakistan
| | - Hira Butt
- National Centre of Excellence in Molecular Biology, University of the Punjab, 87-West Canal Bank Road, Lahore, Pakistan
| | - Rashid Ahmed
- Department of Biotechnology, Faculty of Natural and Applied Sciences, Mirpur University of Science and Technology, Mirpur 10250, AJK, Pakistan; Nick Holonyak Jr. Micro and Nanotechnology Laboratory, University of Illinois at Urbana Champaign, IL, USA
| | - Aneeta Andleeb
- School of Biochemistry & Biotechnology, University of the Punjab, Lahore 54590, Pakistan
| | - Hafiz Ghufran
- National Centre of Excellence in Molecular Biology, University of the Punjab, 87-West Canal Bank Road, Lahore, Pakistan
| | - Amna Ramzan
- National Centre of Excellence in Molecular Biology, University of the Punjab, 87-West Canal Bank Road, Lahore, Pakistan
| | - Asim Ejaz
- Adipose Stem Cells Center, Department of Plastic Surgery, University of Pittsburgh, Pittsburgh, USA
| | - Kausar Malik
- National Centre of Excellence in Molecular Biology, University of the Punjab, 87-West Canal Bank Road, Lahore, Pakistan
| | - Sheikh Riazuddin
- National Centre of Excellence in Molecular Biology, University of the Punjab, 87-West Canal Bank Road, Lahore, Pakistan; Jinnah Burn and Reconstructive Surgery Centre, Allama Iqbal Medical College, University of Health Sciences, Lahore, Pakistan.
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Gong L, Chen B, Zhang J, Sun Y, Yuan J, Niu X, Hu G, Chen Y, Xie Z, Deng Z, Li Q, Wang Y. Human ESC-sEVs alleviate age-related bone loss by rejuvenating senescent bone marrow-derived mesenchymal stem cells. J Extracell Vesicles 2020; 9:1800971. [PMID: 32944188 PMCID: PMC7480439 DOI: 10.1080/20013078.2020.1800971] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Tissue-resident stem cell senescence leads to stem cell exhaustion, which is a major cause of physiological and pathological ageing. Stem cell-derived extracellular vesicles (SC-EVs) have been reported in preclinical studies to possess therapeutic potential for diverse diseases. However, whether SC-EVs can rejuvenate senescent tissue stem cells to prevent age-related disorders still remains unknown. Here, we show that chronic application of human embryonic stem cell-derived small extracellular vesicles (hESC-sEVs) rescues the function of senescent bone marrow mesenchymal stem cells (BM-MSCs) and prevents age-related bone loss in ageing mice. Transcriptome analysis revealed that hESC-sEVs treatment upregulated the expression of genes involved in antiaging, stem cell proliferation and osteogenic differentiation in BM-MSCs. Furthermore, liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis identified 4122 proteins encapsulated in hESC-sEVs. Bioinformatics analysis predicted that the protein components in the hESCs-sEVs function in a synergistic way to induce the activation of several canonical signalling pathways, including Wnt, Sirtuin, AMPK, PTEN signalling, which results in the upregulation of antiaging genes in BM-MSCs and then the recovery of senescent BM-MSCs function. Collectively, our findings reveal the effect of hESC-sEVs in reversing BM-MSCs senescence and age-related osteogenic dysfunction, thereby preventing age-related bone loss. Because hESC-sEVs could alleviate senescence of tissue-resident stem cells, they might be promising therapeutic candidates for age-related diseases.
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Affiliation(s)
- Liangzhi Gong
- Institute of Microsurgery on Extremities, Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Bi Chen
- Institute of Microsurgery on Extremities, Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Juntao Zhang
- Institute of Microsurgery on Extremities, Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yongjin Sun
- Institute of Microsurgery on Extremities, Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Ji Yuan
- Institute of Microsurgery on Extremities, Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Xin Niu
- Institute of Microsurgery on Extremities, Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Guowen Hu
- Department of Neurosurgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yu Chen
- Institute of Microsurgery on Extremities, Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Zongping Xie
- Institute of Microsurgery on Extremities, Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Zhifeng Deng
- Department of Neurosurgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Qing Li
- Institute of Microsurgery on Extremities, Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yang Wang
- Institute of Microsurgery on Extremities, Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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Polito R, Monda V, Nigro E, Messina A, Di Maio G, Giuliano MT, Orrù S, Imperlini E, Calcagno G, Mosca L, Mollica MP, Trinchese G, Scarinci A, Sessa F, Salerno M, Marsala G, Buono P, Mancini A, Monda M, Daniele A, Messina G. The Important Role of Adiponectin and Orexin-A, Two Key Proteins Improving Healthy Status: Focus on Physical Activity. Front Physiol 2020; 11:356. [PMID: 32390865 PMCID: PMC7188914 DOI: 10.3389/fphys.2020.00356] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 03/27/2020] [Indexed: 12/15/2022] Open
Abstract
Exercise represents the most important integrative therapy in metabolic, immunologic and chronic diseases; it represents a valid strategy in the non-pharmacological intervention of lifestyle linked diseases. A large body of evidence indicates physical exercise as an effective measure against chronic non-communicable diseases. The worldwide general evidence for health benefits are both for all ages and skill levels. In a dysregulated lifestyle such as in the obesity, there is an imbalance in the production of different cytokines. In particular, we focused on Adiponectin, an adipokine producted by adipose tissue, and on Orexin-A, a neuropeptide synthesized in the lateral hypothalamus. The production of both Adiponectin and Orexin-A increases following regular and structured physical activity and both these hormones have similar actions. Indeed, they improve energy and glucose metabolism, and also modulate energy expenditure and thermogenesis. In addition, a relevant biological role of Adiponectin and Orexin A has been recently highlighted in the immune system, where they function as immune-suppressor factors. The strong connection between these two cytokines and healthy status is mediated by physical activity and candidates these hormones as potential biomarkers of the beneficial effects induced by physical activity. For these reasons, this review aims to underly the interconnections among Adiponectin, Orexin-A, physical activity and healthy status. Furthermore, it is analyzed the involvement of Adiponectin and Orexin-A in physical activity as physiological factors improving healthy status through physical exercise.
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Affiliation(s)
- Rita Polito
- Dipartimento di Scienze e Tecnologie Ambientali Biologiche e Farmaceutiche, University of Campania "Luigi Vanvitelli", Caserta, Italy.,Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Vincenzo Monda
- Dipartimento di Medicina Sperimentale, Sezione di Fisiologia Umana e Unità di Dietetica e Medicina dello Sport, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Ersilia Nigro
- Dipartimento di Scienze e Tecnologie Ambientali Biologiche e Farmaceutiche, University of Campania "Luigi Vanvitelli", Caserta, Italy.,Ceinge Biotecnologie Avanzate S. C. a R. L., Naples, Italy
| | - Antonietta Messina
- Dipartimento di Medicina Sperimentale, Sezione di Fisiologia Umana e Unità di Dietetica e Medicina dello Sport, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Girolamo Di Maio
- Dipartimento di Medicina Sperimentale, Sezione di Fisiologia Umana e Unità di Dietetica e Medicina dello Sport, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Maria Teresa Giuliano
- Dipartimento di Medicina Sperimentale, Sezione di Fisiologia Umana e Unità di Dietetica e Medicina dello Sport, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Stefania Orrù
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli "Parthenope", Naples, Italy.,IRCCS SDN, Naples, Italy
| | | | - Giuseppe Calcagno
- Dipartimento di Medicina e Scienze della Salute "Vincenzo Tiberio", Università degli Studi del Molise, Campobasso, Italy
| | - Laura Mosca
- Dipartimento di Biologia, Universitá degli studi di Napoli Federico II, Naples, Italy
| | - Maria Pina Mollica
- Dipartimento di Biologia, Universitá degli studi di Napoli Federico II, Naples, Italy
| | - Giovanna Trinchese
- Dipartimento di Biologia, Universitá degli studi di Napoli Federico II, Naples, Italy
| | - Alessia Scarinci
- Dipartimento di Scienze della Formazione, Psicologia, Comunicazione, Università degli Studi di Bari Aldo Moro, Bari, Italy
| | - Francesco Sessa
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Monica Salerno
- Department of Medical, Surgery Sciences and Advanced Technologies "G.F. Ingrassia", University of Catania, Catania, Italy
| | - Gabriella Marsala
- Struttura Complessa di Farmacia, Azienda Ospedaliero Universitaria - Ospedali Riuniti, Foggia, Italy
| | - Pasqualina Buono
- Ceinge Biotecnologie Avanzate S. C. a R. L., Naples, Italy.,Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli "Parthenope", Naples, Italy.,IRCCS SDN, Naples, Italy
| | - Annamaria Mancini
- Ceinge Biotecnologie Avanzate S. C. a R. L., Naples, Italy.,Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli "Parthenope", Naples, Italy
| | - Marcellino Monda
- Dipartimento di Medicina Sperimentale, Sezione di Fisiologia Umana e Unità di Dietetica e Medicina dello Sport, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Aurora Daniele
- Dipartimento di Scienze e Tecnologie Ambientali Biologiche e Farmaceutiche, University of Campania "Luigi Vanvitelli", Caserta, Italy.,Ceinge Biotecnologie Avanzate S. C. a R. L., Naples, Italy
| | - Giovanni Messina
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
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10
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Hassanlou L, Meshgini S, Alizadeh E. Evaluating adipocyte differentiation of bone marrow-derived mesenchymal stem cells by a deep learning method for automatic lipid droplet counting. Comput Biol Med 2019; 112:103365. [DOI: 10.1016/j.compbiomed.2019.103365] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 07/21/2019] [Accepted: 07/21/2019] [Indexed: 01/01/2023]
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11
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Zhou L, Song HY, Gao LL, Yang LY, Mu S, Fu Q. MicroRNA‑100‑5p inhibits osteoclastogenesis and bone resorption by regulating fibroblast growth factor 21. Int J Mol Med 2018; 43:727-738. [PMID: 30535435 PMCID: PMC6317653 DOI: 10.3892/ijmm.2018.4017] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 11/21/2018] [Indexed: 02/07/2023] Open
Abstract
MicroRNAs (miRNAs/miRs) are post‑transcriptional regulators that serve important roles in osteoclastogenesis and bone metabolism; however, the roles of miRNAs have not been completely clarified. The present study aimed to investigate the effects of miR‑100‑5p on the mechanism of liver‑bone endocrine metabolism. A miRNA microarray analysis was conducted to evaluate the miRNA expression profile during receptor activator of nuclear factor‑κB ligand‑stimulated osteoclastogenesis. Hematoxylin and eosin and tartrate‑resistant acid phosphatase staining were performed to analyze the trabecular bone microstructure and osteoclast differentiation. The mRNA and protein expression levels were assessed by reverse transcription‑quantitative polymerase chain reaction and western blotting, respectively. The results revealed that in vitro osteoclast differentiation and in vivo bone resorption were suppressed by miR‑100‑5p overexpression. In vivo, a decrease in miR‑100‑5p and an increase in FGF21 were simultaneously observed in mice following ovariectomy (OVX). Bioinformatics analysis and experimental data confirmed that FGF21 was a direct target of miR‑100‑5p. Conversely, augmentation of miR‑100‑5p using a specific agomir in OVX‑operated mice decreased the levels of FGF21 in the serum and liver, and prevented osteoclastogenesis and bone loss. The present study revealed that FGF21 may be a signal molecule associated with the mechanism of liver‑bone endocrine metabolism and may be targeted by miR‑100‑5p. In addition, miR‑100‑5p may serve an important role in protecting against OVX‑induced osteoporosis.
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Affiliation(s)
- Long Zhou
- Department of Orthopedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Han-Yi Song
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Lin-Lin Gao
- Department of Animal Laboratory of Experimental Research Center, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Li-Yu Yang
- Department of Orthopedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Shuai Mu
- Department of Orthopedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Qin Fu
- Department of Orthopedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
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12
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Higareda-Almaraz JC, Karbiener M, Giroud M, Pauler FM, Gerhalter T, Herzig S, Scheideler M. Norepinephrine triggers an immediate-early regulatory network response in primary human white adipocytes. BMC Genomics 2018; 19:794. [PMID: 30390616 PMCID: PMC6215669 DOI: 10.1186/s12864-018-5173-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 10/16/2018] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Norepinephrine (NE) signaling has a key role in white adipose tissue (WAT) functions, including lipolysis, free fatty acid liberation and, under certain conditions, conversion of white into brite (brown-in-white) adipocytes. However, acute effects of NE stimulation have not been described at the transcriptional network level. RESULTS We used RNA-seq to uncover a broad transcriptional response. The inference of protein-protein and protein-DNA interaction networks allowed us to identify a set of immediate-early genes (IEGs) with high betweenness, validating our approach and suggesting a hierarchical control of transcriptional regulation. In addition, we identified a transcriptional regulatory network with IEGs as master regulators, including HSF1 and NFIL3 as novel NE-induced IEG candidates. Moreover, a functional enrichment analysis and gene clustering into functional modules suggest a crosstalk between metabolic, signaling, and immune responses. CONCLUSIONS Altogether, our network biology approach explores for the first time the immediate-early systems level response of human adipocytes to acute sympathetic activation, thereby providing a first network basis of early cell fate programs and crosstalks between metabolic and transcriptional networks required for proper WAT function.
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Affiliation(s)
- Juan Carlos Higareda-Almaraz
- Institute for Diabetes and Cancer (IDC), Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
- Joint Heidelberg-IDC Translational Diabetes Program, Heidelberg University Hospital, Heidelberg, Germany
- Molecular Metabolic Control, Medical Faculty, Technical University, Munich, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
- NMR laboratory, Institute of Myology, Hopital Universitaire Pitie Salpetriere, Paris, France
| | - Michael Karbiener
- Department of Phoniatrics, ENT University Hospital, Medical University of Graz, Graz, Austria
| | - Maude Giroud
- Institute for Diabetes and Cancer (IDC), Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
- Joint Heidelberg-IDC Translational Diabetes Program, Heidelberg University Hospital, Heidelberg, Germany
- Molecular Metabolic Control, Medical Faculty, Technical University, Munich, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Florian M. Pauler
- CeMM, Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
- Present Address: Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria
| | - Teresa Gerhalter
- Present Address: Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria
| | - Stephan Herzig
- Institute for Diabetes and Cancer (IDC), Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
- Joint Heidelberg-IDC Translational Diabetes Program, Heidelberg University Hospital, Heidelberg, Germany
- Molecular Metabolic Control, Medical Faculty, Technical University, Munich, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Marcel Scheideler
- Institute for Diabetes and Cancer (IDC), Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
- Joint Heidelberg-IDC Translational Diabetes Program, Heidelberg University Hospital, Heidelberg, Germany
- Molecular Metabolic Control, Medical Faculty, Technical University, Munich, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
- NMR laboratory, Institute of Myology, Hopital Universitaire Pitie Salpetriere, Paris, France
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13
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Pei E, Liu Y, Jiang W, Lin S, Huang L, Lin M, Cai L. Sleeve gastrectomy attenuates high fat diet-induced non-alcoholic fatty liver disease. Lipids Health Dis 2018; 17:243. [PMID: 30355361 PMCID: PMC6201512 DOI: 10.1186/s12944-018-0875-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 09/26/2018] [Indexed: 02/08/2023] Open
Abstract
Background A high-fat diet (HFD) is known to lead to obesity, and contributes to the progression of non-alcoholic fatty liver disease. The objective of this study was to evaluate the effects of sleeve gastrectomy (SG) on the progression of HFD-induced hepatic steatosis. Methods Fifteen 4-week-old, male Wistar rats were randomly assigned into three groups: NC, HFD + SHAM and HFD + SG. Their body weight, glucose-lipid metabolism, inflammation indices, hepatic steatosis and fibroblast growth factor 21 (FGF21) levels were measured. Results Postoperatively, body weights in the HFD + SHAM and HFD + SG group rats decreased during the first week. Thereafter, HFD + SG rats regained their body weight. Differences in insulin, homeostasis model assessment of insulin resistance, triglyceride, free fatty acid, tumor necrosis factor-α and monocyte chemotactic protein-1 levels were statistically significant across the three groups (all P < 0.05). Interestingly, FGF21 levels in the HFD + SG group were markedly lower than in the HFD + SHAM group (P = 0.015), however, there were no differences in the NC group. Hematoxylin and eosin staining demonstrated that more vacuoles were present in the HFD + SHAM liver when compared to the HFD + SG liver. Oil-red O staining showed less red dots in the HFD + SG liver. Conclusions Despite eating, surgical re-routing of the gut may prevent weight accumulation, regulate glucose-lipid metabolism and insulin sensitivity, control a chronic inflammatory state, change the secretion pattern of FGF21 and alleviate the severity of fatty liver.
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Affiliation(s)
- Erli Pei
- Department of General Surgery, Yangpu Hospital, Tongji University School of Medicine, Shanghai, 200433, China
| | - Yang Liu
- Department of Gerontology, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Weiqing Jiang
- Department of General Surgery, Yangpu Hospital, Tongji University School of Medicine, Shanghai, 200433, China
| | - Songruo Lin
- Department of General Surgery, Yangpu Hospital, Tongji University School of Medicine, Shanghai, 200433, China
| | - Lei Huang
- Department of General Surgery, Yangpu Hospital, Tongji University School of Medicine, Shanghai, 200433, China
| | - Moubin Lin
- Department of General Surgery, Yangpu Hospital, Tongji University School of Medicine, Shanghai, 200433, China.
| | - Li Cai
- Department of Science and Research, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China.
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14
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Abstract
Bone marrow fat cells comprise the largest population of cells in the bone marrow cavity, a characteristic that has attracted the attention of scholars from different disciplines. The perception that bone marrow adipocytes are "inert space fillers" has been broken, and currently, bone marrow fat is unanimously considered to be the third largest fat depot, after subcutaneous fat and visceral fat. Bone marrow fat (BMF) acts as a metabolically active organ and plays an active role in energy storage, endocrine function, bone metabolism, and the bone metastasis of tumors. Bone marrow adipocytes (BMAs), as a component of the bone marrow microenvironment, influence hematopoiesis through direct contact with cells and the secretion of adipocyte-derived factors. They also influence the progression of hematologic diseases such as leukemia, multiple myeloma, and aplastic anemia, and may be a novel target when exploring treatments for related diseases in the future. Based on currently available data, this review describes the role of BMF in hematopoiesis as well as in the development of hematologic diseases.
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15
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Charoenphandhu N, Suntornsaratoon P, Krishnamra N, Sa-Nguanmoo P, Tanajak P, Wang X, Liang G, Li X, Jiang C, Chattipakorn N, Chattipakorn S. Fibroblast growth factor-21 restores insulin sensitivity but induces aberrant bone microstructure in obese insulin-resistant rats. J Bone Miner Metab 2017; 35:142-149. [PMID: 27026433 DOI: 10.1007/s00774-016-0745-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Accepted: 02/15/2016] [Indexed: 01/06/2023]
Abstract
Fibroblast growth factor (FGF)-21 is a potent endocrine factor that improves insulin resistance and obesity-associated metabolic disorders. However, concomitant activation of peroxisome proliferator-activated receptor-γ by FGF-21 makes bone susceptible to osteopenia and fragility fracture. Since an increase in body weight often induced adaptive change in bone by making it resistant to fracture, it was unclear whether FGF-21 would still induce bone defects in overweight rats. Therefore, the present study aimed to investigate bone microstructure and its mechanical properties in high fat diet (HF)-fed rats treated with 0.1 mg/kg/day FGF-21. Eighteen male rats were divided into two groups to receive either a normal diet or HF for 12 weeks. HF rats were then divided into two subgroups to receive either vehicle or FGF-21 for 4 weeks. The results showed that HF led to obesity, dyslipidemia and insulin resistance, as indicated by hyperinsulinemia with euglycemia. In HF rats, there was an increase in tibial yield displacement (an indicator of ability to be deformed without losing toughness, as determined by 3-point bending) without changes in tibial trabecular volumetric bone mineral density (vBMD) or cortical bone parameters, e.g., cortical thickness and bone area. FGF-21 treatment strongly improved the metabolic parameters and increased insulin sensitivity in HF rats. However, FGF-21-treated HF rats showed lower yield displacement, trabecular vBMD, trabecular bone volume, trabecular thickness, and osteoblast surface compared with vehicle-treated HF rats. These findings suggest that, despite being a potent antagonist of insulin resistance and visceral fat accumulation, FGF-21 is associated with bone defects in HF rats.
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Affiliation(s)
- Narattaphol Charoenphandhu
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Panan Suntornsaratoon
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Nateetip Krishnamra
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Piangkwan Sa-Nguanmoo
- Neurophysiology Unit, Faculty of Medicine, Cardiac Electrophysiology Research and Training Center, Chiang Mai University, Chiang Mai, Thailand
- Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Pongpun Tanajak
- Neurophysiology Unit, Faculty of Medicine, Cardiac Electrophysiology Research and Training Center, Chiang Mai University, Chiang Mai, Thailand
- Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Xiaojie Wang
- School of Pharmaceutical Sciences, Wenzhou Medical University, University-town, Wenzhou, Zhejiang, China
| | - Guang Liang
- School of Pharmaceutical Sciences, Wenzhou Medical University, University-town, Wenzhou, Zhejiang, China
| | - Xiaokun Li
- School of Pharmaceutical Sciences, Wenzhou Medical University, University-town, Wenzhou, Zhejiang, China
| | - Chao Jiang
- School of Pharmaceutical Sciences, Wenzhou Medical University, University-town, Wenzhou, Zhejiang, China
| | - Nipon Chattipakorn
- Neurophysiology Unit, Faculty of Medicine, Cardiac Electrophysiology Research and Training Center, Chiang Mai University, Chiang Mai, Thailand
- Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Siriporn Chattipakorn
- Neurophysiology Unit, Faculty of Medicine, Cardiac Electrophysiology Research and Training Center, Chiang Mai University, Chiang Mai, Thailand.
- Department of Oral Biology and Diagnostic Science, Faculty of Dentistry, Chiang Mai University, Chiang Mai, 50200, Thailand.
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16
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Hashimoto H, Tamaki T, Hirata M, Uchiyama Y, Sato M, Mochida J. Reconstitution of the complete rupture in musculotendinous junction using skeletal muscle-derived multipotent stem cell sheet-pellets as a "bio-bond". PeerJ 2016; 4:e2231. [PMID: 27547541 PMCID: PMC4957990 DOI: 10.7717/peerj.2231] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2016] [Accepted: 06/16/2016] [Indexed: 01/11/2023] Open
Abstract
Background. Significant and/or complete rupture in the musculotendinous junction (MTJ) is a challenging lesion to treat because of the lack of reliable suture methods. Skeletal muscle-derived multipotent stem cell (Sk-MSC) sheet-pellets, which are able to reconstitute peripheral nerve and muscular/vascular tissues with robust connective tissue networks, have been applied as a “bio-bond”. Methods. Sk-MSC sheet-pellets, derived from GFP transgenic-mice after 7 days of expansion culture, were detached with EDTA to maintain cell–cell connections. A completely ruptured MTJ model was prepared in the right tibialis anterior (TA) of the recipient mice, and was covered with sheet-pellets. The left side was preserved as a contralateral control. The control group received the same amount of the cell-free medium. The sheet-pellet transplantation (SP) group was further divided into two groups; as the short term (4–8 weeks) and long term (14–18 weeks) recovery group. At each time point after transplantation, tetanic tension output was measured through the electrical stimulation of the sciatic nerve. The behavior of engrafted GFP+ tissues and cells was analyzed by fluorescence immunohistochemistry. Results. The SP short term recovery group showed average 64% recovery of muscle mass, and 36% recovery of tetanic tension output relative to the contralateral side. Then, the SP long term recovery group showed increased recovery of average muscle mass (77%) and tetanic tension output (49%). However, the control group showed no recovery of continuity between muscle and tendon, and demonstrated increased muscle atrophy, with coalescence to the tibia during 4–8 weeks after operation. Histological evidence also supported the above functional recovery of SP group. Engrafted Sk-MSCs primarily formed the connective tissues and muscle fibers, including nerve-vascular networks, and bridged the ruptured tendon–muscle fiber units, with differentiation into skeletal muscle cells, Schwann cells, vascular smooth muscle, and endothelial cells. Discussion. This bridging capacity between tendon and muscle fibers of the Sk-MSC sheet-pellet, as a “bio-bond,” represents a possible treatment for various MTJ ruptures following surgery.
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Affiliation(s)
- Hiroyuki Hashimoto
- Department of Orthopaedic, Tokai University School of Medicine, Isehara, Japan; Muscle Physiology and Cell Biology Unit, Tokai University School of Medicine, Isehara, Japan
| | - Tetsuro Tamaki
- Muscle Physiology and Cell Biology Unit, Tokai University School of Medicine, Isehara, Japan; Department of Human Structure and Function, Tokai University School of Medicine, Isehara, Japan
| | - Maki Hirata
- Department of Orthopaedic, Tokai University School of Medicine, Isehara, Japan; Muscle Physiology and Cell Biology Unit, Tokai University School of Medicine, Isehara, Japan
| | - Yoshiyasu Uchiyama
- Department of Orthopaedic, Tokai University School of Medicine, Isehara, Japan; Muscle Physiology and Cell Biology Unit, Tokai University School of Medicine, Isehara, Japan
| | - Masato Sato
- Department of Orthopaedic, Tokai University School of Medicine , Isehara , Japan
| | - Joji Mochida
- Department of Orthopaedic, Tokai University School of Medicine , Isehara , Japan
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17
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Wang X, Wei W, Krzeszinski JY, Wang Y, Wan Y. A Liver-Bone Endocrine Relay by IGFBP1 Promotes Osteoclastogenesis and Mediates FGF21-Induced Bone Resorption. Cell Metab 2015; 22:811-24. [PMID: 26456333 PMCID: PMC4635071 DOI: 10.1016/j.cmet.2015.09.010] [Citation(s) in RCA: 101] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Revised: 05/26/2015] [Accepted: 09/09/2015] [Indexed: 12/24/2022]
Abstract
Fibroblast growth factor 21 (FGF21) promotes insulin sensitivity but causes bone loss. It elevates bone resorption by an undefined non-osteoclast-autonomous mechanism. We have detected a pro-osteoclastogenic activity in the hepatic secretome that is increased by FGF21 and largely attributed to insulin-like growth factor binding protein 1 (IGFBP1). Ex vivo osteoclast differentiation and in vivo bone resorption are both enhanced by recombinant IGFBP1 but suppressed by an IGFBP1-blocking antibody. Anti-IGFBP1 treatment attenuates ovariectomy-induced osteoporosis and abolishes FGF21-induced bone loss while maintaining its insulin-sensitizing metabolic benefit. Mechanistically, IGFBP1 functions via its RGD domain to bind to its receptor integrin β1 on osteoclast precursors, thereby potentiating RANKL-stimulated Erk-phosphorylation and NFATc1 activation. Consequently, osteoclastic integrin β1 deletion confers resistance to the resorption-enhancing effects of both IGFBP1 and FGF21. Therefore, the hepatokine IGFBP1 is a critical liver-bone hormonal relay that promotes osteoclastogenesis and bone resorption as well as an essential mediator of FGF21-induced bone loss.
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Affiliation(s)
- Xunde Wang
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Wei Wei
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Jing Y Krzeszinski
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Yubao Wang
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Yihong Wan
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
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18
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Minamida M, Kumagai K, Ulanova D, Akakabe M, Konishi Y, Tominaga A, Tanaka H, Tsuda M, Fukushi E, Kawabata J, Masuda A, Tsuda M. Amphirionin-4 with potent proliferation-promoting activity on bone marrow stromal cells from a marine dinoflagellate amphidinium species. Org Lett 2014; 16:4858-61. [PMID: 25188336 DOI: 10.1021/ol5023504] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A linear polyketide, amphirionin-4 (1), has been isolated from cultivated algal cells of the marine dinoflagellate Amphidinium species. The structure was elucidated on the basis of detailed analyses of 1D and 2D NMR data, and the absolute configurations of C-4 and C-8 were determined using the modified Mosher's method. Amphirionin-4 (1) exhibited extremely potent proliferation-promoting activity on murine bone marrow stromal ST-2 cells (950% promotion) at a concentration of 0.1 ng/mL.
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Affiliation(s)
- Mika Minamida
- Department of Applied Science and ‡Center for Advanced Marine Core Research, Kochi University , Kochi 783-8502, Japan
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Orexin regulates bone remodeling via a dominant positive central action and a subordinate negative peripheral action. Cell Metab 2014; 19:927-40. [PMID: 24794976 PMCID: PMC4047150 DOI: 10.1016/j.cmet.2014.03.016] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Revised: 02/03/2014] [Accepted: 02/26/2014] [Indexed: 01/13/2023]
Abstract
Orexin neuropeptides promote arousal, appetite, reward, and energy expenditure. However, whether orexin affects bone mass accrual is unknown. Here, we show that orexin functions centrally through orexin receptor 2 (OX2R) in the brain to enhance bone formation. OX2R null mice exhibit low bone mass owing to elevated circulating leptin, whereas central administration of an OX2R-selective agonist augments bone mass. Conversely, orexin also functions peripherally through orexin receptor 1 (OX1R) in the bone to suppress bone formation. OX1R null mice exhibit high bone mass owing to a differentiation shift from marrow adipocyte to osteoblast that results from higher osseous ghrelin expression. The central action is dominant because bone mass is reduced in orexin null and OX1R2R double null mice but enhanced in orexin-overexpressing transgenic mice. These findings reveal orexin as a critical rheostat of skeletal homeostasis that exerts a yin-yang dual regulation and highlight orexin as a therapeutic target for osteoporosis.
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Gao M, Ma Y, Cui R, Liu D. Hydrodynamic delivery of FGF21 gene alleviates obesity and fatty liver in mice fed a high-fat diet. J Control Release 2014; 185:1-11. [PMID: 24747761 DOI: 10.1016/j.jconrel.2014.03.047] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Revised: 02/25/2014] [Accepted: 03/28/2014] [Indexed: 11/25/2022]
Abstract
FGF21 is a secreted protein that plays critical roles in regulating glucose and lipid metabolism. In this study, we evaluated the effects of FGF21 gene transfer on C57BL/6 mice fed a high fat diet (HFD). We demonstrate that transfer of the FGF21 gene using a hydrodynamics-based procedure increased mRNA levels of FGF21 exclusively in the liver, consequently generating a sustained high level of FGF21 protein in blood that peaked at 500 ng/ml 1 day after injection, leading to a variety of beneficial effects including blockade of HFD-induced obesity, alleviation of fatty liver and improvement in glucose homeostasis. These effects were associated with altered expression of Ucp1, Dio2, Pgc1α, Pparγ2, Mgat1, F4/80, Mcp1 and Tnfα, which are involved in thermogenesis, lipogenesis and chronic inflammation in the liver and adipose tissues. Transfer of the FGF21 gene in HFD-induced obese mice greatly increased the expression of thermogenic genes in adipose tissue, resulting in similar improvements in systemic metabolism including reduction of adiposity, alleviation of fatty liver and attenuation of insulin resistance. Mechanistic studies on the effects of FGF21 gene transfer in lean mice revealed that mice transferred with FGF21 gene displayed suppressed lipogenesis in the liver and enhanced thermogenesis in brown adipose tissue which was coincident with a significant improvement in glucose tolerance. Collectively, our results suggest that transfer of the FGF21 gene could be considered a promising approach for treating obesity and its complications.
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Affiliation(s)
- Mingming Gao
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, GA, USA
| | - Yongjie Ma
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, GA, USA
| | - Ran Cui
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, GA, USA
| | - Dexi Liu
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, GA, USA.
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21
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Affiliation(s)
- Yihong Wan
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
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