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Kim G, Lee J, Ha J, Kang I, Choe W. Endoplasmic Reticulum Stress and Its Impact on Adipogenesis: Molecular Mechanisms Implicated. Nutrients 2023; 15:5082. [PMID: 38140341 PMCID: PMC10745682 DOI: 10.3390/nu15245082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 11/30/2023] [Accepted: 12/09/2023] [Indexed: 12/24/2023] Open
Abstract
Endoplasmic reticulum (ER) stress plays a pivotal role in adipogenesis, which encompasses the differentiation of adipocytes and lipid accumulation. Sustained ER stress has the potential to disrupt the signaling of the unfolded protein response (UPR), thereby influencing adipogenesis. This comprehensive review illuminates the molecular mechanisms that underpin the interplay between ER stress and adipogenesis. We delve into the dysregulation of UPR pathways, namely, IRE1-XBP1, PERK and ATF6 in relation to adipocyte differentiation, lipid metabolism, and tissue inflammation. Moreover, we scrutinize how ER stress impacts key adipogenic transcription factors such as proliferator-activated receptor γ (PPARγ) and CCAAT-enhancer-binding proteins (C/EBPs) along with their interaction with other signaling pathways. The cellular ramifications include alterations in lipid metabolism, dysregulation of adipokines, and aged adipose tissue inflammation. We also discuss the potential roles the molecular chaperones cyclophilin A and cyclophilin B play in adipogenesis. By shedding light on the intricate relationship between ER stress and adipogenesis, this review paves the way for devising innovative therapeutic interventions.
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Affiliation(s)
- Gyuhui Kim
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea; (G.K.); (J.H.); (I.K.)
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jiyoon Lee
- Department of Biological Sciences, Franklin College of Arts and Sciences, University of Georgia, Athens, GA 30609, USA;
| | - Joohun Ha
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea; (G.K.); (J.H.); (I.K.)
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Insug Kang
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea; (G.K.); (J.H.); (I.K.)
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Wonchae Choe
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea; (G.K.); (J.H.); (I.K.)
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
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Prajwal GS, Jeyaraman N, Kanth V K, Jeyaraman M, Muthu S, Rajendran SNS, Rajendran RL, Khanna M, Oh EJ, Choi KY, Chung HY, Ahn BC, Gangadaran P. Lineage Differentiation Potential of Different Sources of Mesenchymal Stem Cells for Osteoarthritis Knee. Pharmaceuticals (Basel) 2022; 15:386. [PMID: 35455383 PMCID: PMC9028477 DOI: 10.3390/ph15040386] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 03/11/2022] [Accepted: 03/17/2022] [Indexed: 02/05/2023] Open
Abstract
Tissue engineering and regenerative medicine (TERM) have paved a way for treating musculoskeletal diseases in a minimally invasive manner. The regenerative medicine cocktail involves the usage of mesenchymal stem/stromal cells (MSCs), either uncultured or culture-expanded cells along with growth factors, cytokines, exosomes, and secretomes to provide a better regenerative milieu in degenerative diseases. The successful regeneration of cartilage depends on the selection of the appropriate source of MSCs, the quality, quantity, and frequency of MSCs to be injected, and the selection of the patient at an appropriate stage of the disease. However, confirmation on the most favorable source of MSCs remains uncertain to clinicians. The lack of knowledge in the current cellular treatment is uncertain in terms of how beneficial MSCs are in the long-term or short-term (resolution of pain) and improved quality of life. Whether MSCs treatments have any superiority, exists due to sources of MSCs utilized in their potential to objectively regenerate the cartilage at the target area. Many questions on source and condition remain unanswered. Hence, in this review, we discuss the lineage differentiation potentials of various sources of MSCs used in the management of knee osteoarthritis and emphasize the role of tissue engineering in cartilage regeneration.
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Affiliation(s)
- Gollahalli Shivashankar Prajwal
- Research Fellow, Fellowship in Orthopaedic Rheumatology (FEIORA), Dr. Ram Manohar Lohiya National Law University, Lucknow 226010, Uttar Pradesh, India; (G.S.P.); (N.J.)
- Indian Stem Cell Study Group (ISCSG) Association, Lucknow 110048, Uttar Pradesh, India; (S.M.); (M.K.)
- Department of Orthopaedics, Mallika Spine Centre, Guntur 522001, Andhra Pradesh, India
| | - Naveen Jeyaraman
- Research Fellow, Fellowship in Orthopaedic Rheumatology (FEIORA), Dr. Ram Manohar Lohiya National Law University, Lucknow 226010, Uttar Pradesh, India; (G.S.P.); (N.J.)
- Indian Stem Cell Study Group (ISCSG) Association, Lucknow 110048, Uttar Pradesh, India; (S.M.); (M.K.)
- Department of Orthopaedics, Atlas Hospitals, Tiruchirappalli 620002, Tamil Nadu, India
| | - Krishna Kanth V
- Department of Orthopaedics, Government Medical College, Mahabubabad 506104, Telangana, India;
| | - Madhan Jeyaraman
- Indian Stem Cell Study Group (ISCSG) Association, Lucknow 110048, Uttar Pradesh, India; (S.M.); (M.K.)
- Department of Orthopaedics, Faculty of Medicine—Sri Lalithambigai Medical College and Hospital, Dr MGR Educational and Research Institute, Chennai 600095, Tamil Nadu, India
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida 201306, Uttar Pradesh, India
- Orthopaedic Research Group, Coimbatore 641001, Tamil Nadu, India
| | - Sathish Muthu
- Indian Stem Cell Study Group (ISCSG) Association, Lucknow 110048, Uttar Pradesh, India; (S.M.); (M.K.)
- Department of Orthopaedics, Government Medical College, Mahabubabad 506104, Telangana, India;
- Department of Orthopaedics, Faculty of Medicine—Sri Lalithambigai Medical College and Hospital, Dr MGR Educational and Research Institute, Chennai 600095, Tamil Nadu, India
- Orthopaedic Research Group, Coimbatore 641001, Tamil Nadu, India
| | - Sree Naga Sowndary Rajendran
- Department of Medicine, Sri Venkateshwaraa Medical College Hospital and Research Centre, Puducherry 605102, Puducherry, India;
| | - Ramya Lakshmi Rajendran
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu 41944, Korea;
| | - Manish Khanna
- Indian Stem Cell Study Group (ISCSG) Association, Lucknow 110048, Uttar Pradesh, India; (S.M.); (M.K.)
- Department of Orthopaedics, Government Medical College and Hospital, Dindigul 624001, Tamil Nadu, India
- Department of Orthopaedics, Prasad Institute of Medical Sciences, Lucknow 226010, Uttar Pradesh, India
| | - Eun Jung Oh
- Department of Plastic and Reconstructive Surgery, CMRI, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu 41944, Korea; (E.J.O.); (K.Y.C.); (H.Y.C.)
| | - Kang Young Choi
- Department of Plastic and Reconstructive Surgery, CMRI, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu 41944, Korea; (E.J.O.); (K.Y.C.); (H.Y.C.)
| | - Ho Yun Chung
- Department of Plastic and Reconstructive Surgery, CMRI, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu 41944, Korea; (E.J.O.); (K.Y.C.); (H.Y.C.)
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Korea
| | - Byeong-Cheol Ahn
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu 41944, Korea;
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Korea
| | - Prakash Gangadaran
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu 41944, Korea;
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Korea
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Yi X, Wu P, Liu J, He S, Gong Y, Xiong J, Xu X, Li W. Candidate kinases for adipogenesis and osteoblastogenesis from human bone marrow mesenchymal stem cells. Mol Omics 2021; 17:790-795. [PMID: 34318850 DOI: 10.1039/d1mo00160d] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Adipogenesis and osteoblastogenesis (adipo-osteoblastogenesis) are closely related processes involving with the phosphorylation of numerous cytoplasmic proteins and key transcription factors. Despite the recognition of the importance of protein phosphorylation in adipo-osteoblastocyte biology, relatively little is known about the specific kinases for adipo-osteoblastogenesis. Here, we constructed the comprehensive gene transcriptional landscapes of kinases at 3, 5, and 7 days during adipo-osteoblastogenesis from human bone marrow mesenchymal stem cells (hMSCs). We identified forty-four and eight significant DEGs (differentially expressed genes) separately for adipo-osteoblastogenesis. Five significant DEGs, namely CAMK2A, NEK10, PAK3, PRKG2, and PTK2B, were simultaneously shared by adipo-osteoblastogenic anecdotes. Using a lentivirus system, we confirmed that PTK2B (non-receptor protein tyrosine kinase 2 beta) simultaneously inhibited adipo-osteoblastogenesis through RNAi assays, and PRKG2 (protein kinase cGMP-dependent 2) facilitated adipogenesis and weakened osteoblastogenesis. The only certainty was that the identified candidate significant DEGs encoding kinases responsible for protein phosphorylation, especially PTK2B and PRKG2, were the potential molecular switches of cell fate determination for hMSCs. This study would provide novel study targets for hMSC differentiation and potential clues for the therapy of the adipo-osteoblastogenic balance-derived disorders.
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Affiliation(s)
- Xia Yi
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, 17 Lufeng Road, Jiujiang 332000, China.
| | - Ping Wu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, 17 Lufeng Road, Jiujiang 332000, China.
| | - Jianyun Liu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, 17 Lufeng Road, Jiujiang 332000, China.
| | - Shan He
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, 17 Lufeng Road, Jiujiang 332000, China.
| | - Ying Gong
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, 17 Lufeng Road, Jiujiang 332000, China.
| | - Jianjun Xiong
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, 17 Lufeng Road, Jiujiang 332000, China.
| | - Xiaoyuan Xu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, 17 Lufeng Road, Jiujiang 332000, China.
| | - Weidong Li
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, 17 Lufeng Road, Jiujiang 332000, China.
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4
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Carobbio S, Guenantin AC, Bahri M, Rodriguez-Fdez S, Honig F, Kamzolas I, Samuelson I, Long K, Awad S, Lukovic D, Erceg S, Bassett A, Mendjan S, Vallier L, Rosen BS, Chiarugi D, Vidal-Puig A. Unraveling the Developmental Roadmap toward Human Brown Adipose Tissue. Stem Cell Reports 2021; 16:641-655. [PMID: 33606988 PMCID: PMC7940445 DOI: 10.1016/j.stemcr.2021.01.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 01/21/2021] [Accepted: 01/22/2021] [Indexed: 12/20/2022] Open
Abstract
Increasing brown adipose tissue (BAT) mass and activation is a therapeutic strategy to treat obesity and complications. Obese and diabetic patients possess low amounts of BAT, so an efficient way to expand their mass is necessary. There is limited knowledge about how human BAT develops, differentiates, and is optimally activated. Accessing human BAT is challenging, given its low volume and anatomical dispersion. These constraints make detailed BAT-related developmental and functional mechanistic studies in humans virtually impossible. We have developed and characterized functionally and molecularly a new chemically defined protocol for the differentiation of human pluripotent stem cells (hPSCs) into brown adipocytes (BAs) that overcomes current limitations. This protocol recapitulates step by step the physiological developmental path of human BAT. The BAs obtained express BA and thermogenic markers, are insulin sensitive, and responsive to β-adrenergic stimuli. This new protocol is scalable, enabling the study of human BAs at early stages of development.
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Affiliation(s)
- Stefania Carobbio
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, UK; Metabolic Research Laboratories, Addenbrooke's Treatment Centre, Institute of Metabolic Science, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK.
| | - Anne-Claire Guenantin
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, UK; Metabolic Research Laboratories, Addenbrooke's Treatment Centre, Institute of Metabolic Science, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK
| | - Myriam Bahri
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, UK
| | | | - Floris Honig
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, UK
| | - Ioannis Kamzolas
- Metabolic Research Laboratories, Addenbrooke's Treatment Centre, Institute of Metabolic Science, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK; European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, UK
| | - Isabella Samuelson
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, UK; Metabolic Research Laboratories, Addenbrooke's Treatment Centre, Institute of Metabolic Science, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK
| | - Kathleen Long
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, UK
| | - Sherine Awad
- Metabolic Research Laboratories, Addenbrooke's Treatment Centre, Institute of Metabolic Science, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK
| | - Dunja Lukovic
- Retinal Degeneration Lab and National Stem Cell Bank-Valencia Node, Research Center Principe Felipe, Valencia, Spain
| | - Slaven Erceg
- Stem Cell Therapies for Neurodegenerative Diseases Lab and National Stem Cell Bank - Valencia Node, Research Center Principe Felipe, Valencia, Spain
| | - Andrew Bassett
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, UK
| | - Sasha Mendjan
- Institute of Molecular Biotechnology, 1030 Vienna, Austria
| | - Ludovic Vallier
- Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK; Department of Surgery, University of Cambridge, Cambridge, UK
| | - Barry S Rosen
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, UK
| | - Davide Chiarugi
- Metabolic Research Laboratories, Addenbrooke's Treatment Centre, Institute of Metabolic Science, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK
| | - Antonio Vidal-Puig
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, UK; Metabolic Research Laboratories, Addenbrooke's Treatment Centre, Institute of Metabolic Science, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK; Cambridge University Nanjing Centre of Technology and Innovation, Jiangbei Area, Nanjing, P.R. China.
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5
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Robert AW, Marcon BH, Dallagiovanna B, Shigunov P. Adipogenesis, Osteogenesis, and Chondrogenesis of Human Mesenchymal Stem/Stromal Cells: A Comparative Transcriptome Approach. Front Cell Dev Biol 2020; 8:561. [PMID: 32733882 PMCID: PMC7362937 DOI: 10.3389/fcell.2020.00561] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 06/12/2020] [Indexed: 12/20/2022] Open
Abstract
Adipogenesis, osteogenesis and chondrogenesis of human mesenchymal stem/stromal cells (MSC) are complex and highly regulated processes. Over the years, several studies have focused on understanding the mechanisms involved in the MSC commitment to the osteogenic, adipogenic and/or chondrogenic phenotypes. High-throughput methodologies have been used to investigate the gene expression profile during differentiation. Association of data analysis of mRNAs, microRNAs, circular RNAs and long non-coding RNAs, obtained at different time points over these processes, are important to depict the complexity of differentiation. This review will discuss the results that were highlighted in transcriptome analyses of MSC undergoing adipogenic, osteogenic and chondrogenic differentiation. The focus is to shed light on key molecules, main signaling pathways and biological processes related to different time points of adipogenesis, osteogenesis and chondrogenesis.
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Affiliation(s)
- Anny W Robert
- Instituto Carlos Chagas - Fiocruz Paraná, Curitiba, Brazil
| | - Bruna H Marcon
- Instituto Carlos Chagas - Fiocruz Paraná, Curitiba, Brazil
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Yi X, Liu J, Wu P, Gong Y, Xu X, Li W. The whole transcriptional profiling of cellular metabolism during adipogenesis from hMSCs. J Cell Physiol 2019; 235:349-363. [DOI: 10.1002/jcp.28974] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Accepted: 05/29/2019] [Indexed: 12/23/2022]
Affiliation(s)
- Xia Yi
- Jiangxi Provincial Key Laboratory of Systems Biomedicine Jiujiang University Jiujiang China
| | - Jianyun Liu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine Jiujiang University Jiujiang China
| | - Ping Wu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine Jiujiang University Jiujiang China
| | - Ying Gong
- Jiangxi Provincial Key Laboratory of Systems Biomedicine Jiujiang University Jiujiang China
| | - Xiaoyuan Xu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine Jiujiang University Jiujiang China
| | - Weidong Li
- Jiangxi Provincial Key Laboratory of Systems Biomedicine Jiujiang University Jiujiang China
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Yi X, Liu J, Wu P, Gong Y, Xu X, Li W. The key microRNA on lipid droplet formation during adipogenesis from human mesenchymal stem cells. J Cell Physiol 2019; 235:328-338. [DOI: 10.1002/jcp.28972] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 05/29/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Xia Yi
- Jiangxi Provincial Key Laboratory of Systems Biomedicine Jiujiang University Jiujiang China
| | - Jianyun Liu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine Jiujiang University Jiujiang China
| | - Ping Wu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine Jiujiang University Jiujiang China
| | - Ying Gong
- Jiangxi Provincial Key Laboratory of Systems Biomedicine Jiujiang University Jiujiang China
| | - Xiaoyuan Xu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine Jiujiang University Jiujiang China
| | - Weidong Li
- Jiangxi Provincial Key Laboratory of Systems Biomedicine Jiujiang University Jiujiang China
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Yi X, Yang Y, Wu P, Xu X, Li W. Alternative splicing events during adipogenesis from hMSCs. J Cell Physiol 2019; 235:304-316. [PMID: 31206189 DOI: 10.1002/jcp.28970] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 05/28/2019] [Accepted: 05/29/2019] [Indexed: 12/22/2022]
Abstract
Adipogenesis, the developmental process of progenitor-cell differentiating into adipocytes, leads to fat metabolic disorders. Alternative splicing (AS), a ubiquitous regulatory mechanism of gene expression, allows the generation of more than one unique messenger RNA (mRNA) species from a single gene. Till now, alternative splicing events during adipogenesis from human mesenchymal stem cells (hMSCs) are not yet fully elucidated. We performed RNA-Seq coupled with bioinformatics analysis to identify the differentially expressed AS genes and events during adipogenesis from hMSCs. A global survey separately identified 1262, 1181, 1167, and 1227 ASE involved in the most common types of AS including cassette exon, alt3, and alt5, especially with cassette exon the most prevalent, at 7, 14, 21, and 28 days during adipogenesis. Interestingly, 122 differentially expressed ASE referred to 118 genes, and the three genes including ACTN1 (alt3 and cassette), LRP1 (alt3 and alt5), and LTBP4 (cassette, cassette_multi, and unknown), appeared in multiple AS types of ASE during adipogenesis. Except for all the identified ASE of LRP1 occurred in the extracellular topological domain, alt3 (84) in transmembrane domain significantly differentially expressed was the potential key event during adipogenesis. Overall, we have, for the first time, conducted the global transcriptional profiling during adipogenesis of hMSCs to identify differentially expressed ASE and ASE-related genes. This finding would provide extensive ASE as the regulator of adipogenesis and the potential targets for future molecular research into adipogenesis-related metabolic disorders.
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Affiliation(s)
- Xia Yi
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, China
| | - Yunzhong Yang
- Beijing Yuanchuangzhilian Techonlogy Development Co., Ltd, Beijing, China
| | - Ping Wu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, China
| | - Xiaoyuan Xu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, China
| | - Weidong Li
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, China
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Yi X, Wu P, Liu J, Gong Y, Xu X, Li W. Identification of the potential key genes for adipogenesis from human mesenchymal stem cells by RNA-Seq. J Cell Physiol 2019; 234:20217-20227. [PMID: 30989650 DOI: 10.1002/jcp.28621] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 03/22/2019] [Indexed: 01/23/2023]
Abstract
Adipogenesis, a physiological process initiated with the committed preadipocytes expressing adipocyte-specific genes and terminated in mature, differentiated and functional adipocytes, mainly involved with energy homeostasis. Abnormal distribution-changes and dysfunctions in adipogenesis may lead to complex physiopathological disorders. However, it remains unclear for the key players working for the whole complex differentiating process of adipogenesis. Here, it investigated transcriptional profiling of adipogenesis from human mesenchymal stem cells (hMSCs) by RNA-Seq transcriptome technique. Oil Red O staining assays were performed to assess adipogenic potential. Quantitative real-time PCR (qRT-PCR) and lentivirus transfection assays by small interference RNA (siRNA) were conducted to confirm the function of the candidate genes. A total of 1,078 differentially expressed genes shared at 7, 14, 21, and 28 days during adipogenesis from hMSCs, and 706 genes were significantly differentially expressed. It identified 20 potential key genes responsible for adipogenesis with four genes downregulating. The candidate gene, coagulation factor II thrombin receptor (F2R), encoding coagulation factor II thrombin receptor involving with a 7-transmembrane receptor involved in the regulation of thrombotic response, also known as proteinase-activated receptor-1, contributed to adipogenesis, especially at Day 14, by Oil Red O staining, qRT-PCR, and western blot after siRNA. A unique discovery shed new light to understand the key players of the whole processes of adipogenesis from hMSCs. The gene F2R might be used as an adipogenic marker to provide a potential target for understanding the metabolic syndromes like obesity, type-2 diabetes, steatosis, atherosclerosis, and osteoporosis.
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Affiliation(s)
- Xia Yi
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, China
| | - Ping Wu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, China
| | - Jianyun Liu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, China
| | - Ying Gong
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, China
| | - Xiaoyuan Xu
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, China
| | - Weidong Li
- Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, China
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Molecular signature of human bone marrow-derived mesenchymal stromal cell subsets. Sci Rep 2019; 9:1774. [PMID: 30742027 PMCID: PMC6370815 DOI: 10.1038/s41598-019-38517-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 12/31/2018] [Indexed: 02/08/2023] Open
Abstract
In the current study we compared the molecular signature of expanded mesenchymal stromal cells (MSCs) derived from selected CD271+ bone marrow mononuclear cells (CD271-MSCs) and MSCs derived from non-selected bone marrow mononuclear cells by plastic adherence (PA-MSCs). Transcriptome analysis demonstrated for the first time the upregulation of 115 and downregulation of 131 genes in CD271-MSCs. Functional enrichment analysis showed that the upregulated genes in CD271-MSCs are significantly enriched for extracellular matrix (tenascin XB, elastin, ABI family, member 3 (NESH) binding protein, carboxypeptidase Z, laminin alpha 2 and nephroblastoma overexpressed) and cell adhesion (CXCR7, GPNMB, MYBPH, SVEP1, ARHGAP6, TSPEAR, PIK3CG, ABL2 and NCAM1). CD271-MSCs expressed higher gene transcript levels that are involved in early osteogenesis/chondrogenesis/adipogenesis (ZNF145, FKBP5). In addition, increased transcript levels for early and late osteogenesis (DPT, OMD, ID4, CRYAB, SORT1), adipogenesis (CTNNB1, ZEB, LPL, FABP4, PDK4, ACDC), and chondrogenesis (CCN3/NOV, CCN4/WISP1, CCN5/WISP2 and ADAMTS-5) were detected. Interestingly, CD271-MSCs expressed increased levels of hematopoiesis associated genes (CXCL12, FLT3L, IL-3, TPO, KITL). Down-regulated genes in CD271-MSCs were associated with WNT and TGF-beta signaling, and cytokine/chemokine signaling pathways. In addition to their capacity to support hematopoiesis, these results suggest that CD271-MSCs may contain more osteo/chondro progenitors and/or feature a greater differentiation potential.
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11
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Novel Neohesperidin Dihydrochalcone Analogue Inhibits Adipogenic Differentiation of Human Adipose-Derived Stem Cells through the Nrf2 Pathway. Int J Mol Sci 2018; 19:ijms19082215. [PMID: 30060630 PMCID: PMC6121477 DOI: 10.3390/ijms19082215] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 07/12/2018] [Accepted: 07/24/2018] [Indexed: 12/12/2022] Open
Abstract
Obesity, characterized by excess lipid accumulation, has emerged as a leading public health problem. Excessive, adipocyte-induced lipid accumulation raises the risk of metabolic disorders. Adipose-derived stem cells (ASCs) are mesenchymal stem cells (MSCs) that can be obtained from abundant adipose tissue. High fat mass could be caused by an increase in the size (hypertrophy) and number (hyperplasia) of adipocytes. Reactive oxygen species (ROS) are involved in the adipogenic differentiation of human adipose-derived stem cells (hASCs). Lowering the level of ROS is important to blocking or retarding the adipogenic differentiation of hASCs. Nuclear factor erythroid 2-related factor-2 (Nrf2) is a transcription factor that mediates various antioxidant enzymes and regulates cellular ROS levels. Neohesperidin dihydrochalcone (NHDC), widely used as artificial sweetener, has been shown to have significant free radical scavenging activity. In the present study, (E)-3-(4-chlorophenyl)-1-(2,4,6-trimethoxyphenyl)prop-2-en-1-one (CTP), a novel NHDC analogue, was synthesized and examined to determine whether it could inhibit adipogenic differentiation. The inhibition of adipogenic differentiation in hASCs was tested using NHDC and CTP. In the CTP group, reduced Oil Red O staining was observed compared with the differentiation group. CTP treatment also downregulated the expression of PPAR-γ and C/EBP-α, adipogenic differentiation markers in hASCs, compared to the adipogenic differentiation group. The expression of FAS and SREBP-1 decreased in the CTP group, along with the fluorescent intensity (amount) of ROS. Expression of the Nrf2 protein was slightly decreased in the differentiation group. Meanwhile, in both the NHDC and CTP groups, Nrf2 expression was restored to the level of the control group. Moreover, the expression of HO-1 and NQO-1 increased significantly in the CTP group. Taken together, these results suggest that CTP treatment suppresses the adipogenic differentiation of hASCs by decreasing intracellular ROS, possibly through activation of the Nrf2 cytoprotective pathway. Thus, the use of bioactive substances such as CTP, which activates Nrf2 to reduce the cellular level of ROS and inhibit the adipogenic differentiation of hASCs, could be a new strategy for overcoming obesity.
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Mullick M, Sen D. The Delta Opioid Peptide DADLE Represses Hypoxia-Reperfusion Mimicked Stress Mediated Apoptotic Cell Death in Human Mesenchymal Stem Cells in Part by Downregulating the Unfolded Protein Response and ROS along with Enhanced Anti-Inflammatory Effect. Stem Cell Rev Rep 2018; 14:558-573. [DOI: 10.1007/s12015-018-9810-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Mullick M, Venkatesh K, Sen D. d-Alanine 2, Leucine 5 Enkephaline (DADLE)-mediated DOR activation augments human hUCB-BFs viability subjected to oxidative stress via attenuation of the UPR. Stem Cell Res 2017; 22:20-28. [DOI: 10.1016/j.scr.2017.05.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 05/15/2017] [Accepted: 05/21/2017] [Indexed: 01/16/2023] Open
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Guénantin AC, Briand N, Capel E, Dumont F, Morichon R, Provost C, Stillitano F, Jeziorowska D, Siffroi JP, Hajjar RJ, Fève B, Hulot JS, Collas P, Capeau J, Vigouroux C. Functional Human Beige Adipocytes From Induced Pluripotent Stem Cells. Diabetes 2017; 66:1470-1478. [PMID: 28270520 PMCID: PMC5440013 DOI: 10.2337/db16-1107] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Accepted: 03/02/2017] [Indexed: 12/25/2022]
Abstract
Activation of thermogenic beige adipocytes has recently emerged as a promising therapeutic target in obesity and diabetes. Relevant human models for beige adipocyte differentiation are essential to implement such therapeutic strategies. We report a straightforward and efficient protocol to generate functional human beige adipocytes from human induced pluripotent stem cells (hiPSCs). Without overexpression of exogenous adipogenic genes, our method recapitulates an adipogenic developmental pathway through successive mesodermal and adipogenic progenitor stages. hiPSC-derived adipocytes are insulin sensitive and display beige-specific markers and functional properties, including upregulation of thermogenic genes, increased mitochondrial content, and increased oxygen consumption upon activation with cAMP analogs. Engraftment of hiPSC-derived adipocytes in mice produces well-organized and vascularized adipose tissue, capable of β-adrenergic-responsive glucose uptake. Our model of human beige adipocyte development provides a new and scalable tool for disease modeling and therapeutic screening.
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Affiliation(s)
- Anne-Claire Guénantin
- Sorbonne Universités, Université Pierre et Marie Curie, INSERM UMR_S938, Centre de Recherche Saint-Antoine, Institute of Cardiometabolism and Nutrition, Paris, France
- Metabolic Research Laboratories, Addenbrooke's Treatment Centre, Institute of Metabolic Science, Addenbrooke's Hospital, University of Cambridge, Cambridge, U.K
| | - Nolwenn Briand
- Sorbonne Universités, Université Pierre et Marie Curie, INSERM UMR_S938, Centre de Recherche Saint-Antoine, Institute of Cardiometabolism and Nutrition, Paris, France
| | - Emilie Capel
- Sorbonne Universités, Université Pierre et Marie Curie, INSERM UMR_S938, Centre de Recherche Saint-Antoine, Institute of Cardiometabolism and Nutrition, Paris, France
| | - Florent Dumont
- Institut Cochin, Université Paris Descartes, INSERM U1016, Paris, France
| | - Romain Morichon
- Sorbonne Universités, Université Pierre et Marie Curie, INSERM UMR_S938, Centre de Recherche Saint-Antoine, Institute of Cardiometabolism and Nutrition, Paris, France
| | - Claire Provost
- Plateforme LIMP, UMS28 Phénotypage du petit animal, Université Pierre et Marie Curie, Paris, France
| | - Francesca Stillitano
- Cardiovascular Research Center, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Dorota Jeziorowska
- Sorbonne Universités, Université Pierre et Marie Curie, UMR_S1166, Institute of Cardiometabolism and Nutrition, France
| | - Jean-Pierre Siffroi
- Sorbonne Universités, Université Pierre et Marie Curie, Assistance Publique-Hôspitaux de Paris, Service de Génétique et d'Embryologie Médicales, Hôpital Trousseau, Paris, France
| | - Roger J Hajjar
- Cardiovascular Research Center, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Bruno Fève
- Sorbonne Universités, Université Pierre et Marie Curie, INSERM UMR_S938, Centre de Recherche Saint-Antoine, Institute of Cardiometabolism and Nutrition, Paris, France
- Assistance Publique-Hôspitaux de Paris, Service d'Endocrinologie, Hôpital Saint-Antoine, Paris, France
| | - Jean-Sébastien Hulot
- Cardiovascular Research Center, Icahn School of Medicine at Mount Sinai, New York, NY
- Sorbonne Universités, Université Pierre et Marie Curie, UMR_S1166, Institute of Cardiometabolism and Nutrition, France
| | - Philippe Collas
- Department of Molecular Medicine, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway
- Norwegian Center for Stem Cell Research, Oslo University Hospital, Oslo, Norway
| | - Jacqueline Capeau
- Sorbonne Universités, Université Pierre et Marie Curie, INSERM UMR_S938, Centre de Recherche Saint-Antoine, Institute of Cardiometabolism and Nutrition, Paris, France
| | - Corinne Vigouroux
- Sorbonne Universités, Université Pierre et Marie Curie, INSERM UMR_S938, Centre de Recherche Saint-Antoine, Institute of Cardiometabolism and Nutrition, Paris, France
- Assistance Publique-Hôspitaux de Paris, Service d'Endocrinologie, Hôpital Saint-Antoine, Paris, France
- Assistance Publique-Hôspitaux de Paris, Laboratoire Commun de Biologie et Génétique Moléculaires, Hôpital Saint-Antoine, Paris, France
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Bosco DB, Roycik MD, Jin Y, Schwartz MA, Lively TJ, Zorio DAR, Sang QXA. A new synthetic matrix metalloproteinase inhibitor reduces human mesenchymal stem cell adipogenesis. PLoS One 2017; 12:e0172925. [PMID: 28234995 PMCID: PMC5325569 DOI: 10.1371/journal.pone.0172925] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Accepted: 02/10/2017] [Indexed: 01/12/2023] Open
Abstract
Development of adipose tissue requires the differentiation of less specialized cells, such as human mesenchymal stem cells (hMSCs), into adipocytes. Since matrix metalloproteinases (MMPs) play critical roles in the cell differentiation process, we conducted investigations to determine if a novel mercaptosulfonamide-based MMP inhibitor (MMPI), YHJ-7-52, could affect hMSC adipogenic differentiation and lipid accumulation. Enzyme inhibition assays, adipogenic differentiation experiments, and quantitative PCR methods were employed to characterize this inhibitor and determine its effect upon adipogenesis. YHJ-7-52 reduced lipid accumulation in differentiated cells by comparable amounts as a potent hydroxamate MMPI, GM6001. However, YHJ-7-82, a non-inhibitory structural analog of YHJ-7-52, in which the zinc-binding thiol group is replaced by a hydroxyl group, had no effect on adipogenesis. The two MMPIs (YHJ-7-52 and GM6001) were also as effective in reducing lipid accumulation in differentiated cells as T0070907, an antagonist of peroxisome-proliferator activated receptor gamma (PPAR-gamma), at a similar concentration. PPAR-gamma is a typical adipogenic marker and a key regulatory protein for the transition of preadiopocyte to adipocyte. Moreover, MMP inhibition was able to suppress lipid accumulation in cells co-treated with Troglitazone, a PPAR-gamma agonist. Our results indicate that MMP inhibitors may be used as molecular tools for adipogenesis and obesity treatment research.
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Affiliation(s)
- Dale B. Bosco
- Institute of Molecular Biophysics, Florida State University, Tallahassee, Florida, United States of America
| | - Mark D. Roycik
- Department of Chemistry & Biochemistry, Florida State University, Tallahassee, Florida, United States of America
| | - Yonghao Jin
- Department of Chemistry & Biochemistry, Florida State University, Tallahassee, Florida, United States of America
| | - Martin A. Schwartz
- Department of Chemistry & Biochemistry, Florida State University, Tallahassee, Florida, United States of America
| | - Ty J. Lively
- Department of Chemistry & Biochemistry, Florida State University, Tallahassee, Florida, United States of America
| | - Diego A. R. Zorio
- Department of Chemistry & Biochemistry, Florida State University, Tallahassee, Florida, United States of America
| | - Qing-Xiang Amy Sang
- Institute of Molecular Biophysics, Florida State University, Tallahassee, Florida, United States of America
- Department of Chemistry & Biochemistry, Florida State University, Tallahassee, Florida, United States of America
- * E-mail:
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Das J, Choi YJ, Yasuda H, Han JW, Park C, Song H, Bae H, Kim JH. Efficient delivery of C/EBP beta gene into human mesenchymal stem cells via polyethylenimine-coated gold nanoparticles enhances adipogenic differentiation. Sci Rep 2016; 6:33784. [PMID: 27677463 PMCID: PMC5039411 DOI: 10.1038/srep33784] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 09/02/2016] [Indexed: 01/04/2023] Open
Abstract
The controlled differentiation of stem cells via the delivery of specific genes encoding appropriate differentiation factors may provide useful models for regenerative medicine and aid in developing therapies for human patients. However, the majority of non-viral vectors are not efficient enough to manipulate difficult-to-transfect adult human stem cells in vitro. Herein, we report the first use of 25 kDa branched polyethylenimine-entrapped gold nanoparticles (AuPEINPs) and covalently bound polyethylenimine-gold nanoparticles (AuMUAPEINPs) as carriers for efficient gene delivery into human mesenchymal stem cells (hMSCs). We determined a functional application of these nanoparticles by transfecting hMSCs with the C/EBP beta gene, fused to EGFP, to induce adipogenic differentiation. Transfection efficacy with AuPEINPs and AuMUAPEINPs was 52.3% and 40.7%, respectively, which was 2.48 and 1.93 times higher than that by using Lipofectamine 2000. Luciferase assay results also demonstrated improved gene transfection efficiency of AuPEINPs/AuMUAPEINPs over Lipofectamine 2000 and polyethylenimine. Overexpression of exogenous C/EBP beta significantly enhanced adipogenesis in hMSCs as indicated by both of Oil Red O staining and mRNA expression analyses. Nanoparticle/DNA complexes exhibited favorable cytocompatibility in hMSCs. Taken together, AuPEINPs and AuMUAPEINPs potentially represent safe and highly efficient vehicles for gene delivery to control hMSC differentiation and for therapeutic gene delivery applications.
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Affiliation(s)
- Joydeep Das
- Dept. of Stem Cell and Regenerative Biology, Humanized Pig Research Center (SRC), Konkuk University, Seoul 143-701, South Korea
| | - Yun-Jung Choi
- Dept. of Stem Cell and Regenerative Biology, Humanized Pig Research Center (SRC), Konkuk University, Seoul 143-701, South Korea
| | - Hideyo Yasuda
- Dept. of Stem Cell and Regenerative Biology, Humanized Pig Research Center (SRC), Konkuk University, Seoul 143-701, South Korea
| | - Jae Woong Han
- Dept. of Stem Cell and Regenerative Biology, Humanized Pig Research Center (SRC), Konkuk University, Seoul 143-701, South Korea
| | - Chankyu Park
- Dept. of Stem Cell and Regenerative Biology, Humanized Pig Research Center (SRC), Konkuk University, Seoul 143-701, South Korea
| | - Hyuk Song
- Dept. of Stem Cell and Regenerative Biology, Humanized Pig Research Center (SRC), Konkuk University, Seoul 143-701, South Korea
| | - Hojae Bae
- Dept. of Bioindustrial Technologies, College of Animal Bioscience and Technology, Konkuk University, Seoul 143-701, South Korea
| | - Jin-Hoi Kim
- Dept. of Stem Cell and Regenerative Biology, Humanized Pig Research Center (SRC), Konkuk University, Seoul 143-701, South Korea
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Piccinin MA, Khan ZA. Pathophysiological role of enhanced bone marrow adipogenesis in diabetic complications. Adipocyte 2014; 3:263-72. [PMID: 26317050 DOI: 10.4161/adip.32215] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Revised: 07/16/2014] [Accepted: 07/30/2014] [Indexed: 12/12/2022] Open
Abstract
Diabetes leads to complications in select organ systems primarily by disrupting the vasculature of the target organs. These complications include both micro- (cardiomyopathy, retinopathy, nephropathy, and neuropathy) and macro-(atherosclerosis) angiopathies. Bone marrow angiopathy is also evident in both experimental models of the disease as well as in human diabetes. In addition to vascular disruption, bone loss and increased marrow adiposity have become hallmarks of the diabetic bone phenotype. Emerging evidence now implicates enhanced marrow adipogenesis and changes to cellular makeup of the marrow in a novel mechanistic link between various secondary complications of diabetes. In this review, we explore the mechanisms of enhanced marrow adipogenesis in diabetes and the link between changes to marrow cellular composition, and disruption and depletion of reparative stem cells.
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Role of free fatty acid receptors in the regulation of energy metabolism. Biochim Biophys Acta Mol Cell Biol Lipids 2014; 1841:1292-300. [DOI: 10.1016/j.bbalip.2014.06.002] [Citation(s) in RCA: 113] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Revised: 05/26/2014] [Accepted: 06/02/2014] [Indexed: 12/25/2022]
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Cha BH, Kim JS, Ahn JC, Kim HC, Kim BS, Han DK, Park SG, Lee SH. The role of tauroursodeoxycholic acid on adipogenesis of human adipose-derived stem cells by modulation of ER stress. Biomaterials 2014; 35:2851-8. [PMID: 24424209 DOI: 10.1016/j.biomaterials.2013.12.067] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 12/20/2013] [Indexed: 01/06/2023]
Abstract
Obesity has become a serious public health problem in the developed world. Increased mass of adipose tissue in the obese is due to an increase in both the size (hypertrophy) and number (hyperplasia) of adipocytes. The chemical chaperone tauroursodeoxycholic acid (TUDCA) not only decreases endoplasmic reticulum (ER) stress, but also plays a role as a leptin-sensitizing agent for preadipocytes in mice and humans. In this study, we examine whether TUDCA has an effect on adipogenesis from human adipose-derived stem cells (hASCs). Therefore, the effect of TUDCA on ER stress, lipid accumulation, and adipogenic differentiation from hASCs was investigated using histological staining, reverse-transcriptase polymerase chain reaction (RT-PCR), and western blotting in vitro. It was found that TUDCA treatment of hASCs significantly decreases the representative ER stress marker (glucose-regulated protein 78 kDa (GRP78)), adipogenic markers (peroxisome proliferator-activated receptor gamma (PPARγ) and glycerol-3-phosphate dehydrogenase 1 (GPDH)), and lipid accumulation. Furthermore, we confirmed that TUDCA treatment of hASCs significantly decreased in vivo adipogenic tissue formation and ER stress comparing with PBS treatment of hASCs. The results indicate that TUDCA plays a critical role in adipogenesis from hASCs by modulating ER stress and, therefore, has potential pharmacologic and therapeutic applications as an anti-obesity agent.
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Affiliation(s)
- Byung-Hyun Cha
- Department of Biomedical Science, College of Life Science, CHA University, Yatap-Dong, Bundang-Gu, Seongnam-Si, Gyeonggi-Do 463-840, Republic of Korea
| | - Jin-Su Kim
- Department of Biomedical Science, College of Life Science, CHA University, Yatap-Dong, Bundang-Gu, Seongnam-Si, Gyeonggi-Do 463-840, Republic of Korea
| | - Jong Chan Ahn
- Department of Biomedical Science, College of Life Science, CHA University, Yatap-Dong, Bundang-Gu, Seongnam-Si, Gyeonggi-Do 463-840, Republic of Korea
| | - Hee-Chun Kim
- Department of Orthopaedics, Bundang CHA Hospital, Sungnam, Republic of Korea
| | - Byung-Soo Kim
- School of Chemical and Biological Engineering, Seoul National University, Seoul, Republic of Korea
| | - Dong Keun Han
- Center for Biomaterials, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul 130-650, Republic of Korea
| | - Sang Gyu Park
- Department of Biomedical Science, College of Life Science, CHA University, Yatap-Dong, Bundang-Gu, Seongnam-Si, Gyeonggi-Do 463-840, Republic of Korea
| | - Soo-Hong Lee
- Department of Biomedical Science, College of Life Science, CHA University, Yatap-Dong, Bundang-Gu, Seongnam-Si, Gyeonggi-Do 463-840, Republic of Korea.
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Basu U, Romao JM, Guan LL. Adipogenic transcriptome profiling using high throughput technologies. J Genomics 2013; 1:22-8. [PMID: 25031652 PMCID: PMC4091434 DOI: 10.7150/jgen.3781] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
The recent technological innovations in the area of functional genomics, gene expression/transcriptomic profiling can provide new insights to understand the molecular basis of adipogenesis. The focus of this review is to highlight the recent advances in our understanding of the complex interplay of gene expression events and the regulatory mechanisms of adipogenesis in mouse cell lines, humans and farm animals. All these studies have employed the availability of constantly evolving high throughput 'omics' technologies including microarrays, RNA-Seq, chromatin immunoprecipitation, next generation sequencing, RNAi, miRNA profiling and quantitative PCR arrays.
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Affiliation(s)
- Urmila Basu
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Josue Moura Romao
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Le Luo Guan
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
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Lo Surdo JL, Millis BA, Bauer SR. Automated microscopy as a quantitative method to measure differences in adipogenic differentiation in preparations of human mesenchymal stromal cells. Cytotherapy 2013; 15:1527-40. [PMID: 23992827 DOI: 10.1016/j.jcyt.2013.04.010] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Revised: 03/28/2013] [Accepted: 04/12/2013] [Indexed: 12/16/2022]
Abstract
BACKGROUND AIMS Multipotent stromal cells, also called mesenchymal stromal cells (MSCs), are potentially valuable as a cellular therapy because of their differentiation and immunosuppressive properties. As the result of extensive heterogeneity of MSCs, quantitative approaches to measure differentiation capacity between donors and passages on a per-cell basis are needed. METHODS Human bone marrow-derived MSCs were expanded to passages P3, P5 and P7 from eight different donors and were analyzed for colony-forming unit capacity (CFU), cell size, surface marker expression and forward/side-scatter analysis by flow cytometry. Adipogenic differentiation potential was quantified with the use of automated microscopy. Percentage of adipogenesis was determined by quantifying nuclei and Nile red-positive adipocytes after automated image acquisition. RESULTS MSCs varied in expansion capacity and increased in average cell diameter with passage. CFU capacity decreased with passage and varied among cell lines within the same passage. The number of adipogenic precursors varied between cell lines, ranging from 0.5% to 13.6% differentiation at P3. Adipogenic capacity decreased significantly with increasing passage. MSC cell surface marker analysis revealed no changes caused by passaging or donor differences. CONCLUSIONS We measured adipogenic differentiation on a per-cell basis with high precision and accuracy with the use of automated fluorescence microscopy. We correlated these findings with other quantitative bioassays to better understand the role of donor variability and passaging on CFU, cell size and adipogenic differentiation capacity in vitro. These quantitative approaches provide valuable tools to measure MSC quality and measure functional biological differences between donors and cell passages that are not revealed by conventional MSC cell surface marker analysis.
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Affiliation(s)
- Jessica L Lo Surdo
- FDA/Center for Biologics Evaluation and Research, Division of Cellular and Gene Therapies, Office of Cellular, Tissue, and Gene Therapies, Bethesda, Maryland, USA
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Masaki T, Qu J, Cholewa-Waclaw J, Burr K, Raaum R, Rambukkana A. Reprogramming adult Schwann cells to stem cell-like cells by leprosy bacilli promotes dissemination of infection. Cell 2013; 152:51-67. [PMID: 23332746 PMCID: PMC4314110 DOI: 10.1016/j.cell.2012.12.014] [Citation(s) in RCA: 164] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2012] [Revised: 10/31/2012] [Accepted: 12/10/2012] [Indexed: 01/09/2023]
Abstract
Differentiated cells possess a remarkable genomic plasticity that can be manipulated to reverse or change developmental commitments. Here, we show that the leprosy bacterium hijacks this property to reprogram adult Schwann cells, its preferred host niche, to a stage of progenitor/stem-like cells (pSLC) of mesenchymal trait by downregulating Schwann cell lineage/differentiation-associated genes and upregulating genes mostly of mesoderm development. Reprogramming accompanies epigenetic changes and renders infected cells highly plastic, migratory, and immunomodulatory. We provide evidence that acquisition of these properties by pSLC promotes bacterial spread by two distinct mechanisms: direct differentiation to mesenchymal tissues, including skeletal and smooth muscles, and formation of granuloma-like structures and subsequent release of bacteria-laden macrophages. These findings support a model of host cell reprogramming in which a bacterial pathogen uses the plasticity of its cellular niche for promoting dissemination of infection and provide an unexpected link between cellular reprogramming and host-pathogen interaction.
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Affiliation(s)
- Toshihiro Masaki
- MRC Center for Regenerative Medicine, University of Edinburgh, Little France Campus, Edinburgh, EH16 4SB, Scotland, UK,Center for Neuroregeneration, University of Edinburgh, Little France Campus, Edinburgh, EH16 4SB, Scotland, UK,The Rockefeller University, York Avenue, New York, NY 10065, USA
| | - Jinrong Qu
- The Rockefeller University, York Avenue, New York, NY 10065, USA
| | - Justyna Cholewa-Waclaw
- MRC Center for Regenerative Medicine, University of Edinburgh, Little France Campus, Edinburgh, EH16 4SB, Scotland, UK,Center for Neuroregeneration, University of Edinburgh, Little France Campus, Edinburgh, EH16 4SB, Scotland, UK
| | - Karen Burr
- Center for Neuroregeneration, University of Edinburgh, Little France Campus, Edinburgh, EH16 4SB, Scotland, UK
| | - Ryan Raaum
- The Rockefeller University, York Avenue, New York, NY 10065, USA
| | - Anura Rambukkana
- MRC Center for Regenerative Medicine, University of Edinburgh, Little France Campus, Edinburgh, EH16 4SB, Scotland, UK,Center for Neuroregeneration, University of Edinburgh, Little France Campus, Edinburgh, EH16 4SB, Scotland, UK,Center for Infectious Diseases, University of Edinburgh, Little France Campus, Edinburgh, EH16 4SB, Scotland, UK,The Rockefeller University, York Avenue, New York, NY 10065, USA,Correspondence: (A.R), Telephone: +44(0) 131-651-9565, Fax: +44(0) 131-651-9501
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Lo Surdo J, Bauer SR. Quantitative approaches to detect donor and passage differences in adipogenic potential and clonogenicity in human bone marrow-derived mesenchymal stem cells. Tissue Eng Part C Methods 2012; 18:877-89. [PMID: 22563812 DOI: 10.1089/ten.tec.2011.0736] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Bone marrow-derived multipotent stromal cells (MSCs), also known as mesenchymal stem cells, have great promise due to their capacity for tri-lineage differentiation and immunosuppressive properties, which allows for their allogeneic use and ultimately may allow for treatment of many diseases. MSCs will require extensive expansion and passaging to obtain cells in sufficient numbers necessary for cell therapies. MSCs from many donors could potentially be used. Because of this, there is a need to understand the role of passaging and donor differences on differentiation capacity using quantitative approaches. Here, we evaluated MSCs from two donors (noted as PCBM1632 and PCBM1641 by the manufacturer) at tissue culture passages 3, 5, and 7. We used a colony forming unit (CFU) assay and limiting dilution to quantify clonogenicity and precursor frequency during adipogenesis, and quantitative real-time-polymerase chain reaction for adipogenic markers to evaluate changes on a gene expression level. Further, we observed changes in cell size, and we sorted small and large populations to evaluate size-related adipogenic potential. While the adipogenic precursor frequency of ∼1 in 76 cells remained similar through passages for cells from PCBM1641, we found a large decrease in the adipogenic potential of MSCs from PCBM1632, with 1 in 2035 cells being capable of differentiating into an adipocyte at passage 7. MSCs from both donors showed an increase in cell diameter with increasing passage, which correlates with a decrease in clonogenicity by CFU analysis. We also measured adipose lineage gene expression following induction of adipocyte differentiation. Expression of these genes decreased with passage number for MSCs from PCBM1632 and correlated with the decrease in adipogenic potential by passage 7. In contrast, MSCs from PCBM1641 showed increased expression of these genes with increasing passage. We have shown that several quantitative assays can detect differences in MSC differentiation capacity, clonogenicity, and cell size between donors and passages. These quantitative methods are useful to assess the quality of MSCs.
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Affiliation(s)
- Jessica Lo Surdo
- Cellular and Tissue Therapies Branch, Division of Cellular and Gene Therapies, Office of Cellular, Tissue, and Gene Therapies, FDA, Center for Biologics Evaluation and Research, Bethesda, MD, USA
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Chun SI, Cho JH, Yang YI, Shin JW, Shin WJ, Mun CW. Proton (1H) nuclear magnetic resonance spectroscopy to define metabolomic changes as a biomarker of adipogenic differentiation in human mesenchymal stem cells. Tissue Eng Regen Med 2012. [DOI: 10.1007/s13770-012-0016-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Menssen A, Häupl T, Sittinger M, Delorme B, Charbord P, Ringe J. Differential gene expression profiling of human bone marrow-derived mesenchymal stem cells during adipogenic development. BMC Genomics 2011; 12:461. [PMID: 21943323 PMCID: PMC3222637 DOI: 10.1186/1471-2164-12-461] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2011] [Accepted: 09/24/2011] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Adipogenesis is the developmental process by which mesenchymal stem cells (MSC) differentiate into pre-adipocytes and adipocytes. The aim of the study was to analyze the developmental strategies of human bone marrow MSC developing into adipocytes over a defined time scale. Here we were particularly interested in differentially expressed transcription factors and biochemical pathways. We studied genome-wide gene expression profiling of human MSC based on an adipogenic differentiation experiment with five different time points (day 0, 1, 3, 7 and 17), which was designed and performed in reference to human fat tissue. For data processing and selection of adipogenic candidate genes, we used the online database SiPaGene for Affymetrix microarray expression data. RESULTS The mesenchymal stem cell character of human MSC cultures was proven by cell morphology, by flow cytometry analysis and by the ability of the cells to develop into the osteo-, chondro- and adipogenic lineage. Moreover we were able to detect 184 adipogenic candidate genes (85 with increased, 99 with decreased expression) that were differentially expressed during adipogenic development of MSC and/or between MSC and fat tissue in a highly significant way (p < 0.00001). Subsequently, groups of up- or down-regulated genes were formed and analyzed with biochemical and cluster tools. Among the 184 genes, we identified already known transcription factors such as PPARG, C/EBPA and RTXA. Several of the genes could be linked to corresponding biochemical pathways like the adipocyte differentiation, adipocytokine signalling, and lipogenesis pathways. We also identified new candidate genes possibly related to adipogenesis, such as SCARA5, coding for a receptor with a putative transmembrane domain and a collagen-like domain, and MRAP, encoding an endoplasmatic reticulum protein. CONCLUSIONS Comparing differential gene expression profiles of human MSC and native fat cells or tissue allowed us to establish a comprehensive differential kinetic gene expression network of adipogenesis. Based on this, we identified known and unknown genes and biochemical pathways that may be relevant for adipogenic differentiation. Our results encourage further and more focused studies on the functional relevance of particular adipogenic candidate genes.
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Affiliation(s)
- Adriane Menssen
- Tissue Engineering Laboratory, Clinic for Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Charité Platz 1, 10117 Berlin, Germany.
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Skårn M, Namløs HM, Noordhuis P, Wang MY, Meza-Zepeda LA, Myklebost O. Adipocyte differentiation of human bone marrow-derived stromal cells is modulated by microRNA-155, microRNA-221, and microRNA-222. Stem Cells Dev 2011; 21:873-83. [PMID: 21756067 DOI: 10.1089/scd.2010.0503] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Human mesenchymal stromal cells (hMSCs) are capable of limited self-renewal and multilineage differentiation in vitro. Several studies have demonstrated that microRNAs (miRNAs, miRs), post-transcriptional modifiers of mRNA stability and protein translation, play crucial roles in the regulation of these complex processes. To gain knowledge regarding the role of miRNAs in human adipocyte differentiation, we examined the miRNA expression profile of the immortalized human bone marrow-derived stromal cell line hMSC-Tert20. Such a model system has the advantage of a reproducible and consistent phenotype while maintaining important properties of the primary donor cells, including the potential to differentiate to adipocytes, osteoblasts, and chondrocytes. We identified 12 miRNAs that were differentially expressed during adipogenesis, of which several have been previously shown to play important roles in adipocyte biology. Among these, the expression of miRNA-155, miRNA-221, and miRNA-222 decreased during the adipogenic program of both immortalized and primary hMSCs, suggesting that they act as negative regulators of differentiation. Interestingly, ectopic expression of the miRNAs significantly inhibited adipogenesis and repressed induction of the master regulators PPARγ and CCAAT/enhancer-binding protein alpha. Our study provides the first experimental evidence that miRNA-155, miRNA-221, and miRNA-222 have an important function in human adipocyte differentiation, and that their downregulation is necessary to relieve the repression of genes crucial for this process.
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Affiliation(s)
- Magne Skårn
- Department of Tumor Biology, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway
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Boucher SE. Simplified PCR assay for detecting early stages of multipotent mesenchymal stromal cell differentiation. Methods Mol Biol 2011; 698:387-403. [PMID: 21431533 DOI: 10.1007/978-1-60761-999-4_28] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
With increased demand for standardized stem cell-based assays in basic and clinical research, there is a concerted effort to develop and share quick, robust validated assays for tracking multipotent mesenchymal stromal cell (MSC) status and multipotency retention. With respect to determining differentiation capacity, classical method is to perform time-consuming histological stain assays to detect mature differentiated cell types, which can take up to 1 month or more. To accelerate identification of MSC lineage commitment, we developed and validated a simple PCR-based growth and differentiation assay to routinely detect MSC lineage commitment within 7 days. By establishing a standardized PCR assay system, critical attributes can be temporally tracked in cultured MSC. In addition to meeting the reference criteria for MSC identification, this approach is also utilized in quality testing and lot release of stem cell media products.
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Yang HN, Park JS, Woo DG, Jeon SY, Do HJ, Lim HY, Kim JH, Park KH. C/EBP-α and C/EBP-β-mediated adipogenesis of human mesenchymal stem cells (hMSCs) using PLGA nanoparticles complexed with poly(ethyleneimmine). Biomaterials 2011; 32:5924-33. [PMID: 21600648 DOI: 10.1016/j.biomaterials.2011.04.072] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2011] [Accepted: 04/24/2011] [Indexed: 11/29/2022]
Abstract
In this study, to drive efficient adipogenic differentiation, the adipogenic transcription factors C/EBP-α and C/EBP-β fused to green fluorescent protein (GFP) or red fluorescent protein (RFP) were complexed with poly-ethyleneimine (PEI) coupled with biodegradable PLGA nanospheres and delivered to human mesenchymal stem cell (hMSC). FACS analysis revealed that the transfection efficiency of C/EBP-α, C/EBP-β, or both genes complexed with PEI-coated PLGA nanospheres was 12.59%, 21.74%, and 28.96% of hMSCs. Expression and localization of C/EBP-α and C/EBP-β were confirmed by Western blotting and confocal laser microscopy. Overexpression of exogenous C/EBP-α and C/EBP-β significantly elevated adipogenic differentiation processes as indicated by RT-PCR, real-time PCR, Western blotting, histology, and immunofluorescence microscopy. During adipogenesis, PEI-coupled PLGA nanospheres complexed with C/EBP-α and C/EBP-β greatly increased the adipogenic capability of in vitro cultured cells, as well of in vivo transplanted cells. The expression of genes and proteins specific to adipogenic differentiation in hMSCs was significantly elevated compared to the controls.
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Affiliation(s)
- Han Na Yang
- Department of Biomedical Science, College of Life Science, CHA University, Seoul, Republic of Korea
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Novel genes and cellular pathways related to infection with adenovirus-36 as an obesity agent in human mesenchymal stem cells. Int J Obes (Lond) 2011; 36:195-200. [PMID: 21540833 DOI: 10.1038/ijo.2011.89] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVE The objective of this study was to investigate the molecular mechanisms underlying adenovirus-36 (Ad-36)-induced obesity by the identification of novel genes and cellular pathways. DESIGN Viral growth, intracellular lipid accumulation and gene expression profiles were determined in human mesenchymal stem cells (hMSCs) infected with Ad-36 or Ad-2. A microarray assay and gene set enrichment analysis (GSEA) were performed to assess alterations in global gene expression profiles. RESULTS Ad-36, but not Ad-2, induced lipid accumulation and upregulated adipogenesis-related genes. There was no difference in viral growth between Ad-36 infection and Ad-2 infection in hMSCs. GSEA revealed that Ad-36 infection was more frequently associated with activation of novel pathways, including the PPAR-gamma signaling pathway, and inflammation compared with Ad-2 infection, raising the possibility that these pathways may be key regulators of Ad-36-induced adipogenesis. CONCLUSION This study may help foster a better understanding of the roles of several cellular factors in Ad-36-induced obesity.
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Kilpinen SK, Ojala KA, Kallioniemi OP. Alignment of gene expression profiles from test samples against a reference database: New method for context-specific interpretation of microarray data. BioData Min 2011; 4:5. [PMID: 21453538 PMCID: PMC3080808 DOI: 10.1186/1756-0381-4-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2010] [Accepted: 03/31/2011] [Indexed: 02/07/2023] Open
Abstract
Background Gene expression microarray data have been organized and made available as public databases, but the utilization of such highly heterogeneous reference datasets in the interpretation of data from individual test samples is not as developed as e.g. in the field of nucleotide sequence comparisons. We have created a rapid and powerful approach for the alignment of microarray gene expression profiles (AGEP) from test samples with those contained in a large annotated public reference database and demonstrate here how this can facilitate interpretation of microarray data from individual samples. Methods AGEP is based on the calculation of kernel density distributions for the levels of expression of each gene in each reference tissue type and provides a quantitation of the similarity between the test sample and the reference tissue types as well as the identity of the typical and atypical genes in each comparison. As a reference database, we used 1654 samples from 44 normal tissues (extracted from the Genesapiens database). Results Using leave-one-out validation, AGEP correctly defined the tissue of origin for 1521 (93.6%) of all the 1654 samples in the original database. Independent validation of 195 external normal tissue samples resulted in 87% accuracy for the exact tissue type and 97% accuracy with related tissue types. AGEP analysis of 10 Duchenne muscular dystrophy (DMD) samples provided quantitative description of the key pathogenetic events, such as the extent of inflammation, in individual samples and pinpointed tissue-specific genes whose expression changed (SAMD4A) in DMD. AGEP analysis of microarray data from adipocytic differentiation of mesenchymal stem cells and from normal myeloid cell types and leukemias provided quantitative characterization of the transcriptomic changes during normal and abnormal cell differentiation. Conclusions The AGEP method is a widely applicable method for the rapid comprehensive interpretation of microarray data, as proven here by the definition of tissue- and disease-specific changes in gene expression as well as during cellular differentiation. The capability to quantitatively compare data from individual samples against a large-scale annotated reference database represents a widely applicable paradigm for the analysis of all types of high-throughput data. AGEP enables systematic and quantitative comparison of gene expression data from test samples against a comprehensive collection of different cell/tissue types previously studied by the entire research community.
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Affiliation(s)
- Sami K Kilpinen
- Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Tukholmankatu 8, Helsinki, Finland.
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Mathur SK, Jain P, Mathur P. Microarray evidences the role of pathologic adipose tissue in insulin resistance and their clinical implications. J Obes 2011; 2011:587495. [PMID: 21603273 PMCID: PMC3092611 DOI: 10.1155/2011/587495] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2010] [Accepted: 02/21/2011] [Indexed: 12/20/2022] Open
Abstract
Clustering of insulin resistance and dysmetabolism with obesity is attributed to pathologic adipose tissue. The morphologic hallmarks of this pathology are adipocye hypertrophy and heightened inflammation. However, it's underlying molecular mechanisms remains unknown. Study of gene function in metabolically active tissues like adipose tissue, skeletal muscle and liver is a promising strategy. Microarray is a powerful technique of assessment of gene function by measuring transcription of large number of genes in an array. This technique has several potential applications in understanding pathologic adipose tissue. They are: (1) transcriptomic differences between various depots of adipose tissue, adipose tissue from obese versus lean individuals, high insulin resistant versus low insulin resistance, brown versus white adipose tissue, (2) transcriptomic profiles of various stages of adipogenesis, (3) effect of diet, cytokines, adipokines, hormones, environmental toxins and drugs on transcriptomic profiles, (4) influence of adipokines on transcriptomic profiles in skeletal muscle, hepatocyte, adipose tissue etc., and (5) genetics of gene expression. The microarray evidences of molecular basis of obesity and insulin resistance are presented here. Despite the limitations, microarray has potential clinical applications in finding new molecular targets for treatment of insulin resistance and classification of adipose tissue based on future risk of insulin resistance syndrome.
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Affiliation(s)
- Sandeep Kumar Mathur
- Department of Endocrinology, S. M. S. Medical College, India
- *Sandeep Kumar Mathur:
| | - Priyanka Jain
- Institute of Genomics and Integrative Biology, Mall Road, New Delhi 110007, India
| | - Prashant Mathur
- Department of Pharmacology, S. M. S. Medical College, J. L. Marg, Jaipur 302004, India
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Porada CD, Almeida-Porada G. Mesenchymal stem cells as therapeutics and vehicles for gene and drug delivery. Adv Drug Deliv Rev 2010; 62:1156-66. [PMID: 20828588 DOI: 10.1016/j.addr.2010.08.010] [Citation(s) in RCA: 146] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2010] [Revised: 08/26/2010] [Accepted: 08/27/2010] [Indexed: 12/17/2022]
Abstract
Mesenchymal stem cells (MSCs) possess a set of several fairly unique properties which make them ideally suited both for cellular therapies/regenerative medicine, and as vehicles for gene and drug delivery. These include: 1) relative ease of isolation; 2) the ability to differentiate into a wide variety of seemingly functional cell types of both mesenchymal and non-mesenchymal origin; 3) the ability to be extensively expanded in culture without a loss of differentiative capacity; 4) they are not only hypoimmunogenic, but they produce immunosuppression upon transplantation; 5) their pronounced anti-inflammatory properties; and 6) their ability to home to damaged tissues, tumors, and metastases following in vivo administration. In this review, we summarize the latest research in the use of mesenchymal stem cells in regenerative medicine, as immunomodulatory/anti-inflammatory agents, and as vehicles for transferring both therapeutic genes in genetic disease and genes designed to destroy malignant cells.
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See EYS, Toh SL, Goh JCH. Multilineage potential of bone-marrow-derived mesenchymal stem cell cell sheets: implications for tissue engineering. Tissue Eng Part A 2010; 16:1421-31. [PMID: 19951089 DOI: 10.1089/ten.tea.2009.0501] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Bone-marrow-derived mesenchymal stem cells (BMSCs) are a promising source of cells for tissue engineering due to their multilineage mesenchymal differentiation potential. Their ability to proliferate and differentiate into the osteogenic, chondrogenic, and adipogenic lineage makes them an attractive cell source as compared to the terminally differentiated cells. In tissue engineering, use of cell sheet technology is gaining popularity. It is based on culturing cells until hyperconfluence, and it has resulted in the reduction of the number of cells lost when seeding onto scaffolds. Thus, formation of cell sheets with multipotent cells, such as BMSCs, would be a promising alternative to the conventional method of cell seeding, that is, single-cell suspension. However, the multilineage potential of BMSC cell sheets has yet to be verified. Therefore, the aim of this study was to characterize the formation of a hyperconfluent BMSC cell sheet as well as the effects of the hyperconfluent culture conditions on the multipotentiality of BMSCs. Our results showed that the BMSC cell sheets remained viable. The cell sheets were rich with type I collagen and were shown to have retained their multipotentiality. Hence, the use of BMSC cell sheets for tissue engineering application seems promising.
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Cheong HH, Masilamani J, Phan TT, Chan SY. Cord lining progenitor cells: potential in vitro adipogenesis model. Int J Obes (Lond) 2010; 34:1625-33. [PMID: 20479764 DOI: 10.1038/ijo.2010.86] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
OBJECTIVE To investigate the effect of glucose and insulin concentrations on differentiation of umbilical cord lining progenitor cells to adipocyte-like cells (ALCs). METHODS Cord lining mesenchymal cells (CLMCs) were isolated from the explant of human umbilical cord amniotic membrane. CLMCs were subjected to differentiation under various culture conditions for 20 days. Lipid droplets were confirmed with Oil Red O staining. Gene expressions of adipsin and peroxisome proliferator-activated receptor gamma (PPARγ) were analyzed using reverse transcription-PCR. Leptin and adiponectin secretions were detected using enzyme-linked immunosorbent assay kit. RESULTS CLMCs became irregular, cuboidal-shaped cells that resemble adipocytes, and Oil Red O staining showed the presence of lipid droplets. The gene expressions of PPARγ and adipsin were upregulated. Leptin and adiponectin secretions by naive CLMCs were below the limits of detection. Matured ALCs cultured in low-glucose medium significantly secreted leptin and adiponectin, whereas those in high-glucose medium significantly secreted only leptin. Insulin concentration affects leptin but not adiponectin secretion. CONCLUSIONS Under different culture conditions, CLMCs can differentiate into ALCs that resemble adipocytes in either normal-weight or obese individuals. Hence, these ALCs have the potential to be used as an in vitro model to study adipogenesis and obesity, and possibly as a drug discovery model for metabolic disorders.
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Affiliation(s)
- H H Cheong
- Department of Pharmacy, National University of Singapore, Singapore, Singapore
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35
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Morganstein DL, Wu P, Mane MR, Fisk NM, White R, Parker MG. Human fetal mesenchymal stem cells differentiate into brown and white adipocytes: a role for ERRalpha in human UCP1 expression. Cell Res 2010; 20:434-44. [PMID: 20101261 PMCID: PMC2848839 DOI: 10.1038/cr.2010.11] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
We investigated the ability of fetal mesenchymal stem cells (fMSCs) to differentiate into brown and white adipocytes and compared the expression of a number of marker genes and key regulatory factors. We showed that the expression of key adipocyte regulators and markers during differentiation is similar to that in other human and murine adipocyte models, including induction of PPARgamma2 and FABP4. Notably, we found that the preadipocyte marker, Pref-1, is induced early in differentiation and then declines markedly as the process continues, suggesting that fMSCs first acquire preadipocyte characteristics as they commit to the adipogenic lineage, prior to their differentiation into mature adipocytes. After adipogenic induction, some stem cell isolates differentiated into cells resembling brown adipocytes and others into white adipocytes. Detailed investigation of one isolate showed that the novel brown fat-determining factor PRDM16 is expressed both before and after differentiation. Importantly, these cells exhibited elevated basal UCP-1 expression, which was dependent on the activity of the orphan nuclear receptor ERRalpha, highlighting a novel role for ERRalpha in human brown fat. Thus fMSCs represent a useful in vitro model for human adipogenesis, and provide opportunities to study the stages prior to commitment to the adipocyte lineage. They also offer invaluable insights into the characteristics of human brown fat.
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Affiliation(s)
- DL Morganstein
- Molecular Endocrinology, Institution of Reproductive and Developmental Biology, Imperial College London, London, UK
| | - P Wu
- Experimental Fetal Medicine, Institution of Reproductive and Developmental Biology, Imperial College London, London, UK
| | - M Rosell Mane
- Molecular Endocrinology, Institution of Reproductive and Developmental Biology, Imperial College London, London, UK
| | - NM Fisk
- Experimental Fetal Medicine, Institution of Reproductive and Developmental Biology, Imperial College London, London, UK
| | - R White
- Molecular Endocrinology, Institution of Reproductive and Developmental Biology, Imperial College London, London, UK
| | - MG Parker
- Molecular Endocrinology, Institution of Reproductive and Developmental Biology, Imperial College London, London, UK
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Secco M, Moreira YB, Zucconi E, Vieira NM, Jazedje T, Muotri AR, Okamoto OK, Verjovski-Almeida S, Zatz M. Gene expression profile of mesenchymal stem cells from paired umbilical cord units: cord is different from blood. Stem Cell Rev Rep 2009; 5:387-401. [PMID: 20058202 PMCID: PMC2803263 DOI: 10.1007/s12015-009-9098-5] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Mesenchymal stem cells (MSC) are multipotent cells which can be obtained from several adult and fetal tissues including human umbilical cord units. We have recently shown that umbilical cord tissue (UC) is richer in MSC than umbilical cord blood (UCB) but their origin and characteristics in blood as compared to the cord remains unknown. Here we compared, for the first time, the exonic protein-coding and intronic noncoding RNA (ncRNA) expression profiles of MSC from match-paired UC and UCB samples, harvested from the same donors, processed simultaneously and under the same culture conditions. The patterns of intronic ncRNA expression in MSC from UC and UCB paired units were highly similar, indicative of their common donor origin. The respective exonic protein-coding transcript expression profiles, however, were significantly different. Hierarchical clustering based on protein-coding expression similarities grouped MSC according to their tissue location rather than original donor. Genes related to systems development, osteogenesis and immune system were expressed at higher levels in UCB, whereas genes related to cell adhesion, morphogenesis, secretion, angiogenesis and neurogenesis were more expressed in UC cells. These molecular differences verified in tissue-specific MSC gene expression may reflect functional activities influenced by distinct niches and should be considered when developing clinical protocols involving MSC from different sources. In addition, these findings reinforce our previous suggestion on the importance of banking the whole umbilical cord unit for research or future therapeutic use.
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Affiliation(s)
- Mariane Secco
- Human Genome Research Center, Department of Genetic and Evolutive Biology, University of São Paulo, Rua do Matão, 106 - Cidade Universitária, 05508-090 São Paulo, SP Brazil
| | - Yuri B. Moreira
- Departamento de Bioquimica, Instituto de Quimica, Universidade de São Paulo, 05508-900 São Paulo, SP Brazil
| | - Eder Zucconi
- Human Genome Research Center, Department of Genetic and Evolutive Biology, University of São Paulo, Rua do Matão, 106 - Cidade Universitária, 05508-090 São Paulo, SP Brazil
| | - Natassia M. Vieira
- Human Genome Research Center, Department of Genetic and Evolutive Biology, University of São Paulo, Rua do Matão, 106 - Cidade Universitária, 05508-090 São Paulo, SP Brazil
| | - Tatiana Jazedje
- Human Genome Research Center, Department of Genetic and Evolutive Biology, University of São Paulo, Rua do Matão, 106 - Cidade Universitária, 05508-090 São Paulo, SP Brazil
| | - Alysson R. Muotri
- UCSD Stem Cell Initiative, Department of Pediatrics and Cellular & Molecular Biology, University of California San Diego, La Jolla, CA 92093-0695 USA
| | - Oswaldo K. Okamoto
- Department of Neurology and Neurosurgery, Federal University of São Paulo, 04023-900 São Paulo, SP Brazil
| | - Sergio Verjovski-Almeida
- Departamento de Bioquimica, Instituto de Quimica, Universidade de São Paulo, 05508-900 São Paulo, SP Brazil
| | - Mayana Zatz
- Human Genome Research Center, Department of Genetic and Evolutive Biology, University of São Paulo, Rua do Matão, 106 - Cidade Universitária, 05508-090 São Paulo, SP Brazil
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The spatial repositioning of adipogenesis genes is correlated with their expression status in a porcine mesenchymal stem cell adipogenesis model system. Chromosoma 2009; 118:647-63. [DOI: 10.1007/s00412-009-0225-5] [Citation(s) in RCA: 88] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2009] [Revised: 06/16/2009] [Accepted: 06/17/2009] [Indexed: 12/24/2022]
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Inhibition of human mesenchymal stem cell-derived adipogenesis by the environmental contaminant benzo(a)pyrene. Toxicol In Vitro 2009; 23:1139-44. [PMID: 19486938 DOI: 10.1016/j.tiv.2009.05.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2009] [Revised: 05/05/2009] [Accepted: 05/26/2009] [Indexed: 12/11/2022]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) such as benzo(a)pyrene (BP) are environmental contaminants exerting various toxic effects. PAHs have notably been found to inhibit adipogenesis in rodent species. To determine whether a similar process concerns human cells, we have analyzed the effects of BP towards differentiation of human cultured mesenchymal stem cells (MSC) into adipocytes, triggered by a pro-adipogenic culture medium. BP was found to markedly prevent formation of lipid vesicles, cellular lipid accumulation and up-regulation of adipogenic markers such as fatty acid binding protein-4 and glyceraldehyde-3-phosphate dehydrogenase, which represent major hallmarks of human MSC-derived adipocytes. The aryl hydrocarbon receptor (AhR), known to mediate most of the toxic effects of PAHs, was demonstrated to be present and functional in human MSC. 2,3,7,8-tetrachlorodibenzo-p-dioxin, an AhR agonist like BP, was found to inhibit lipid accumulation in human MSC cultured with adipogenic medium, in contrast to the PAH benzo(e)pyrene, known to not, or only poorly, interact with AhR. Moreover, BP inhibitory effect toward lipid accumulation in MSC exposed to adipogenic medium was fully counteracted by co-treatment with the AhR antagonist alpha-naphtoflavone. Taken together, these data indicate that environmental PAHs like BP can likely inhibit human adipogenesis in an AhR-dependent manner.
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Menicanin D, Bartold PM, Zannettino ACW, Gronthos S. Genomic profiling of mesenchymal stem cells. Stem Cell Rev Rep 2009; 5:36-50. [PMID: 19224407 DOI: 10.1007/s12015-009-9056-2] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2008] [Accepted: 02/02/2009] [Indexed: 01/04/2023]
Abstract
Mesenchymal stem/stromal cells (MSC) are an accessible source of precursor cells that can be expanded in vitro and used for tissue regeneration for different clinical applications. The advent of microarray technology has enabled the monitoring of individual and global gene expression patterns across multiple cell populations. Thus, genomic profiling has fundamentally changed our capacity to characterize MSCs, identify potential biomarkers and determined key molecules regulating biological processes involved in stem cell survival, growth and development. Numerous studies have now examined the genomic profiles of MSCs derived from different tissues that exhibit varying levels of differentiation and proliferation potentials. The knowledge gained from these studies will help improve our understanding of the cellular signalling pathways involved in MSC growth, survival and differentiation, and may aid in the development of strategies to improve the tissue regeneration potential of MSCs for different clinical indications. The present review summarizes studies characterizing the gene expression profile of MSCs.
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Affiliation(s)
- Danijela Menicanin
- Mesenchymal Stem Cell Group, Bone and Cancer Laboratories, Division of Haematology, Institute of Medical and Veterinary Science/ Hanson Institute and CSCR, University of Adelaide, SA, Australia
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Boucher S, Lakshmipathy U, Vemuri M. A simplified culture and polymerase chain reaction identification assay for quality control performance testing of stem cell media products. Cytotherapy 2009; 11:761-7, 767.e1-2. [DOI: 10.3109/14653240903052861] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Prokesch A, Hackl H, Hakim-Weber R, Bornstein SR, Trajanoski Z. Novel insights into adipogenesis from omics data. Curr Med Chem 2009; 16:2952-64. [PMID: 19689276 PMCID: PMC2765082 DOI: 10.2174/092986709788803132] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2009] [Revised: 05/15/2009] [Accepted: 05/16/2009] [Indexed: 01/05/2023]
Abstract
Obesity, the excess accumulation of adipose tissue, is one of the most pressing health problems in both the Western world and in developing countries. Adipose tissue growth results from two processes: the increase in number of adipocytes (hyperplasia) that develop from precursor cells, and the growth of individual fat cells (hypertrophy) due to incorporation of triglycerides. Adipogenesis, the process of fat cell development, has been extensively studied using various cell and animal models. While these studies pointed out a number of key factors involved in adipogenesis, the list of molecular components is far from complete. The advance of high-throughput technologies has sparked many experimental studies aimed at the identification of novel molecular components regulating adipogenesis. This paper examines the results of recent studies on adipogenesis using high-throughput technologies. Specifically, it provides an overview of studies employing microarrays for gene expression profiling and studies using gel based and non-gel based proteomics as well as a chromatin immunoprecipitation followed by microarray analysis (ChIP-chip) or sequencing (ChIP-seq). Due to the maturity of the technology, the bulk of the available data was generated using microarrays. Therefore these data sets were not only reviewed but also underwent meta analysis. The review also shows that large-scale omics technologies in conjunction with sophisticated bioinformatics analyses can provide not only a list of novel players, but also a global view on biological processes and molecular networks. Finally, developing technologies and computational challenges associated with the data analyses are highlighted, and an outlook on the questions not previously addressed is provided.
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Affiliation(s)
- Andreas Prokesch
- Institute for Genomics and Bioinformatics, Graz University of Technology, Graz, Austria
| | - Hubert Hackl
- Institute for Genomics and Bioinformatics, Graz University of Technology, Graz, Austria
| | - Robab Hakim-Weber
- Department of Internal Medicine, Technical University Dresden, Dresden, Germany
| | - Stefan R Bornstein
- Department of Internal Medicine, Technical University Dresden, Dresden, Germany
| | - Zlatko Trajanoski
- Institute for Genomics and Bioinformatics, Graz University of Technology, Graz, Austria
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Vallée M, Côté JF, Fradette J. Adipose-tissue engineering: taking advantage of the properties of human adipose-derived stem/stromal cells. ACTA ACUST UNITED AC 2008; 57:309-17. [PMID: 18534784 DOI: 10.1016/j.patbio.2008.04.010] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2008] [Accepted: 04/16/2008] [Indexed: 01/10/2023]
Abstract
Adipose tissue is now recognized as an important source of postnatal mesenchymal stem cells for regenerative medicine applications. For example, adipose-tissue engineering is an emerging approach that enables the development of autologous substitutes that could be used as an alternative to fat transplantation methods currently yielding variable outcomes for the long-term repair of soft-tissue defects. Here, we describe the production of unique tissue-engineered adipose tissues devoid of exogenous biomaterials produced from human adipose-derived stem/stromal cells. Our strategy is based on the dual self-assembly of extracellular components secreted and organized by the adipose-derived stromal cells after ascorbic acid stimulation, as well as their concomitant differentiation into adipocytes after adipogenic induction. When compared to stromal cells isolated from resected fat, lipoaspirated fat-derived cells featured an increased adipogenic potential and the enhanced ability to recreate three-dimensional adipose substitutes in vitro. These substitutes were histologically similar to native adipose tissue. They featured lipid-filled adipocytes embedded into an extracellular matrix rich in fibronectin as well as collagens I and V. On a functional level, the reconstructed adipose tissues expressed adipocyte-related transcripts and secreted adipokines typical of adipose tissue, such as leptin. Finally, the successful in vitro production of human adipose substitutes featuring an increased surface area (>30cm2) is described, reinforcing the notion that customized autologous reconstructed adipose tissues could be produced in the future to repair a wide range of soft-tissue defects.
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Affiliation(s)
- M Vallée
- Laboratoire d'organogénèse expérimentale (LOEX), hôpital du Saint-Sacrement-du-Chauq, 1050, chemin Sainte-Foy, G1S 4L8 Québec, Canada
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43
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Li W, Vogel CFA, Fujiyoshi P, Matsumura F. Development of a human adipocyte model derived from human mesenchymal stem cells (hMSC) as a tool for toxicological studies on the action of TCDD. Biol Chem 2008; 389:169-77. [PMID: 18163881 DOI: 10.1515/bc.2008.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Abstract Efforts were made to develop a human adipocyte model that is useful for toxicological studies in vitro. For this purpose, a stem cell line derived from human bone marrow cells, originally from an adult, was induced to differentiate towards adipocytes by treating them with insulin, dexamethasone, indomethacin and 3-isobutyl-1-methylxanthine for 3 d, followed by additional incubation for 3 d in Dulbecco's modified Eagle's medium supplemented with insulin only. In most cases, thus differentiated cells through such one cycle of differentiation treatment were further subjected to the second cycle of differentiation. The resulting 2-cycle differentiated cells were found to exhibit many characteristics of typical adipocytes. Dioxin (TCDD), when added at the beginning of their treatment with differentiation-inducing hormone cocktail, clearly prevented them from becoming adipocytes, as in the case of TCDD-treated 3T3-L1 cells. Furthermore, TCDD, even when administered to previously differentiated human mesenchymal stem cells (hMSC) adipocytes, consistently induced the sign of inflammatory responses during the early period of TCDD action (24 h), which was followed by gradual loss of adipocyte-specific markers during the 5-d incubation period. In conclusion, hMSC-derived adipocytes appear to offer a promising human cell model suited for future toxicological studies.
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Affiliation(s)
- Wen Li
- Department of Environmental Toxicology, University of California, One Shields Avenue, Davis, CA 95616, USA
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Abstract
The bone marrow mesenchymal compartment contains putative stem/progenitors of skeletal tissue components such as bone, cartilage, haematopoiesis-supporting stroma and adipocytes. Previously appreciated as vital to the support of haematopoiesis, these cells have also been recently recognized as having significant immunomodulatory properties with implications for allogeneic haematopoietic cell transplantation. Despite having been studied for more than three decades and currently being used in different clinical settings, their biology remains elusive. The aim of this review is to critically analyse the field of mesenchymal stem/progenitor cell biology, in respect of their relationship with other mesenchymal cell-types. Several issues concerning lineage commitment and inter-conversion potential between different mesenchymal cell-types are reviewed.
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Affiliation(s)
- Fernando Anjos-Afonso
- Haematopoietic Stem Cell Laboratory, Cancer Research UK, London Research Institute, London, UK
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45
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Guo W, Flanagan J, Jasuja R, Kirkland J, Jiang L, Bhasin S. The effects of myostatin on adipogenic differentiation of human bone marrow-derived mesenchymal stem cells are mediated through cross-communication between Smad3 and Wnt/beta-catenin signaling pathways. J Biol Chem 2008; 283:9136-45. [PMID: 18203713 DOI: 10.1074/jbc.m708968200] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
The effects of myostatin on adipogenic differentiation are poorly understood, and the underlying mechanisms are unknown. We determined the effects of human recombinant myostatin protein on adipogenesis of bone marrow-derived human mesenchymal stem cells (hMSCs) and adipose tissue-derived preadipocytes. For both progenitor cell types, differentiation in the presence of myostatin caused a dose-dependent reduction of lipid accumulation and diminished incorporation of exogenous fatty acid into cellular lipids. Myostatin significantly down-regulated the expression of adipocyte markers PPARgamma, C/EBPalpha, leptin, and aP2, but not C/EBPbeta. Overexpression of PPARgamma, but not C/EBPbeta, blocked the inhibitory effects of myostatin on adipogenesis. Myostatin induced phosphorylation of Smad3 in hMSCs; knockdown of Smad3 by RNAi or inhibition of its upstream kinase by an Alk5 inhibitor blocked the inhibitory effect of myostatin on adipogenesis in hMSCs, implying an important role of Smad3 activation in this event. Furthermore, myostatin enhanced nuclear translocation of beta-catenin and formation of the Smad3-beta-catenin-TCF4 complex, together with the altered expression of a number of Wnt/beta-catenin pathway genes in hMSCs. The inhibitory effects of myostatin on adipogenesis were blocked by RNAi silencing of beta-catenin and diminished by overexpression of dominant-negative TCF4. The conclusion is that myostatin inhibited adipogenesis in human bone marrow-derived mesenchymal stem cells and preadipocytes. These effects were mediated, in part, by activation of Smad3 and cross-communication of the TGFbeta/Smad signal to Wnt/beta-catenin/TCF4 pathway, leading to down-regulation of PPARgamma.
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Affiliation(s)
- Wen Guo
- Section of Endocrinology, Diabetes, and Nutrition, Boston University School of Medicine, Boston Medical Center, 670 Albany Street, Boston, MA 02118, USA.
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46
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Karahuseyinoglu S, Kocaefe C, Balci D, Erdemli E, Can A. Functional structure of adipocytes differentiated from human umbilical cord stroma-derived stem cells. Stem Cells 2008; 26:682-91. [PMID: 18192234 DOI: 10.1634/stemcells.2007-0738] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
It has been previously demonstrated that human umbilical cord stroma-derived stem cells (HUCSCs) are competent to differentiate into adipocytes. However, controversies have arisen as to whether HUCSCs can become mature adipocytes or not, and to what extent these cells can be induced in adipogenic pathway. Here, we extensively analyzed their adipogenic potency with a structural and functional approach by determining lipid formation dynamics in concordance to adipocyte-specific markers. During a 35-day period, HUCSCs respond to adipogenic induction, at which point 88% of cells exhibited multilocular lipid granules (LGs) having a mean diameter of 3 mum in round-shaped, F-actin-poor cells. Although the 1st week of induction did not generally display typical lipidogenic phenotypes, the degree of adipogenesis was dissected and confirmed by mRNA expressions of peroxisome proliferator-activated receptor gamma, C/EBP-beta, sterol regulatory element-binding transcription factor 1, adipophilin, stearoyl-CoA desaturase, glycerol 3-phosphate dehydrogenase 1, LIPE, adiponectin, and leptin. All markers tested were found elevated in various amounts (3-70-fold) around day 7 and reached a plateau after day 14 or 21 (5-335-fold). Perilipin as a surface protein around the LGs was confined exclusively to the enlarging LGs. Conclusively, we propose that after the termination of proliferation, HUCSCs possess the biochemical and cellular machinery to successfully differentiate into maturing adipocytes under adipogenic conditions, and this feature will ultimately allow these fetus-derived stem cells to be used for various therapeutic or esthetic purposes.
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Affiliation(s)
- Sercin Karahuseyinoglu
- Department of Histology and Embryology, Ankara University School of Medicine, Sihhiye, 06100 Ankara, Turkey
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Zou L, Zou X, Chen L, Li H, Mygind T, Kassem M, Bünger C. Multilineage differentiation of porcine bone marrow stromal cells associated with specific gene expression pattern. J Orthop Res 2008; 26:56-64. [PMID: 17676606 DOI: 10.1002/jor.20467] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
There are increasing reports regarding differentiation of bone marrow stromal cells (BMSC) from human and various species of animals including pigs. The phenotype and function of BMSC along a mesenchymal lineage differentiation are well characterized by specific transcription factors and marker genes. However, it is not fully clear whether multilineage differentiation (osteogenesis, chondrogenesis, and adipogenesis) of BMSC is associated with a specific gene expression pattern. In the present study, we investigated the gene expression pattern of representative transcription factors and marker genes along those three mesenchymal lineages during a particular lineage differentiation of porcine BMSC by means of real-time PCR measurement. In an osteogenic medium, the mRNA levels of cbfa1, osterix, alkaline phosphatase, type 1 collagen, osteonectin, bone sialoprotein, and osteocalcin were induced stepwise. Meanwhile, sox9, specific to chondrogenic differentiation, was inhibited but not PPARgamma2 specific to adipogenic differentiation. In an adipogenic medium, adipogenic differentiation was confirmed by upregulation of PPARgamma2 and aP2 and downregulation of osteogenic genes and sox9. Chondrogenic differentiation was induced in cell pellet culture by expression of sox9, type 2 collagen, and aggrecan. Cbfa1 and PPARgamma2 were inhibited in chondrogenic medium. These results indicate that the differentiation potential of BMSC to a particular mesenchymal lineage relies upon specific gene expression pattern, namely upregulation of genes specific for this lineage and suppression of other lineage differentiation.
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Affiliation(s)
- Lijin Zou
- Orthopaedic Research Laboratory, Aarhus University Hospital, 8000 Aarhus C, Denmark
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48
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Ward DF, Salasznyk RM, Klees RF, Backiel J, Agius P, Bennett K, Boskey A, Plopper GE. Mechanical strain enhances extracellular matrix-induced gene focusing and promotes osteogenic differentiation of human mesenchymal stem cells through an extracellular-related kinase-dependent pathway. Stem Cells Dev 2007; 16:467-80. [PMID: 17610377 DOI: 10.1089/scd.2007.0034] [Citation(s) in RCA: 88] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Human mesenchymal stem cells (hMSCs) are a population of multipotent bone marrow cells capable of differentiating along multiple lineages, including bone. Our recently published proteomics studies suggest that focusing of gene expression is the basis of hMSC osteogenic transdifferentiation, and that extracellular matrix proteins play an important role in controlling this focusing. Here, we show that application of a 3-5% tensile strain to a collagen I substrate stimulates osteogenesis in the attached hMSCs through gene focusing via a MAP kinase signaling pathway. Mechanical strain increases expression levels of well-established osteogenic marker genes while simultaneously reducing expression levels of marker genes from three alternate lineages (chondrogenic, adipogenic, and neurogenic). Mechanical strain also increases matrix mineralization (a hallmark of osteogenic differentiation) and activation of extracellular signal-related kinase 1/2 (ERK). Addition of the MEK inhibitor PD98059 to reduce ERK activation decreases osteogenic gene expression and matrix mineralization while also blocking strain-induced down-regulation of nonosteogenic lineage marker genes. These results demonstrate that mechanical strain enhances collagen I-induced gene focusing and osteogenic differentiation in hMSCs through the ERK MAP kinase signal transduction pathway.
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Affiliation(s)
- Donald F Ward
- Department of Biology, Rensselaer Polytechnic Institute, Troy, NY 12180-3596, USA
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49
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Hernando Insúa A, Montaner AD, Rodriguez JM, Elías F, Fló J, López RA, Zorzopulos J, Hofer EL, Chasseing NA. IMT504, the prototype of the immunostimulatory oligonucleotides of the PyNTTTTGT class, increases the number of progenitors of mesenchymal stem cells both in vitro and in vivo: potential use in tissue repair therapy. Stem Cells 2007; 25:1047-54. [PMID: 17420228 DOI: 10.1634/stemcells.2006-0479] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Bone marrow (BM)-derived adult mesenchymal stem cells (MSCs) have the capacity to differentiate in vitro into different cell lines. This makes them a likely source for application in tissue repair therapies. Here, we report evidence indicating that, both in vivo and in vitro, IMT504, the prototype of the PyNTTTTGT class of immunostimulatory oligonucleotides, significantly increases the number of fibroblast colony-forming units (CFU-Fs) that originate MSCs. When rat BM cells were cultured with IMT504, the mean number of CFU-Fs increased about three times as compared with untreated controls (CFU-F: 19 +/- 6.3 vs. 6.8 +/- 2.0/2 x 10(6) seeded BM cells, p = .03). Furthermore, rats inoculated with IMT504 had a significantly higher number of CFU-Fs both in BM (CFU-F: 124 +/- 33 vs. 38 +/- 17/femur, p = .04) and in peripheral blood (animals with detectable CFU-Fs in circulation 8/12 vs. 2/12, p = .04) as compared with untreated animals. On the other hand, BM-derived adherent cells either treated in vitro with IMT504 or obtained from animals injected with IMT504 possess the capacity to differentiate to the osteogenic and adipogenic cell lineages as regular MSCs. Finally, we found that repair of a bone defect was accelerated in rats injected with IMT504 as compared with control animals (area with consolidated bone: 80% +/- 6.4% vs. 49% +/- 3.5%, p = .03, n = 10 rats per group). Importantly, when two human BM were cultured in the presence of IMT504, the mean number of fibroblastic adherent colonies also increased as compared with controls. These results suggest the possibility of clinical use of IMT504 in bone, and presumably other, tissue repair therapies.
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50
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Avram MM, Avram AS, James WD. Subcutaneous fat in normal and diseased states. J Am Acad Dermatol 2007; 56:472-92. [PMID: 17317490 DOI: 10.1016/j.jaad.2006.06.022] [Citation(s) in RCA: 124] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2005] [Revised: 05/10/2006] [Accepted: 06/19/2006] [Indexed: 12/15/2022]
Abstract
The quest for effective strategies to treat obesity has propelled fat research into an exploration of the molecular processes that drive adipocyte formation, and hence body fat mass. The development of obesity is dependent on the coordinated interplay of adipocyte hypertrophy (increased fat cell size), adipocyte hyperplasia (increased fat cell number), and angiogenesis. Evidence suggests that adipocyte hyperplasia, or adipogenesis, occurs throughout life, both in response to normal cell turnover as well as in response to the need for additional fat mass stores that arises when caloric intake exceeds nutritional requirements. Adipogenesis involves two major events-the recruitment and proliferation of adipocyte precursor cells, called preadipocytes, followed by the subsequent conversion of preadipocytes, or differentiation, into mature fat cells. In vitro studies using experimental and primary preadipocyte cell lines have uncovered the mechanisms that drive the adipogenic process, a tightly controlled sequence of events guided by the strict temporal regulation of multiple inhibitory and stimulatory signaling events involving regulators of cell-cycle functions and differentiation factors. This article reviews the current understanding of adipogenesis with emphasis on the various stages of adipocyte development; on key hormonal, nutritional, paracrine, and neuronal control signals; as well as on the components involved in cell-cell or cell-matrix interactions that are pivotal in regulating fat cell formation. Special consideration is given to clinical applications derived from adipogenesis research with impact on medical, surgical and cosmetic fields.
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Affiliation(s)
- Mathew M Avram
- Massachusetts General Hospital Dermatology Laser and Cosmetic Center, Boston, Massachusetts, USA
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