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Liang Z, He Y, Tang H, Li J, Cai J, Liao Y. Dedifferentiated fat cells: current applications and future directions in regenerative medicine. Stem Cell Res Ther 2023; 14:207. [PMID: 37605289 PMCID: PMC10441730 DOI: 10.1186/s13287-023-03399-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 06/13/2023] [Indexed: 08/23/2023] Open
Abstract
Stem cell therapy is the most promising treatment option for regenerative medicine. Therapeutic effect of different stem cells has been verified in various disease model. Dedifferentiated fat (DFAT) cells, derived from mature adipocytes, are induced pluripotent stem cells. Compared with ASCs and other stem cells, the DFAT cells have unique advantageous characteristics in their abundant sources, high homogeneity, easily harvest and low immunogenicity. The DFAT cells have shown great potential in tissue engineering and regenerative medicine for the treatment of clinical problems such as cardiac and kidney diseases, autoimmune disease, soft and hard tissue defect. In this review, we summarize the current understanding of DFAT cell properties and focus on the relevant practical applications of DFAT cells in cell therapy in recent years.
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Affiliation(s)
- Zhuokai Liang
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yufei He
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Haojing Tang
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Jian Li
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Junrong Cai
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
| | - Yunjun Liao
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
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Deng W, Jo JI, Morikuni H, Sasayama S, Hashimoto Y, Matsumoto N, Honda Y. Senescence-associated secretory phenotypes in rat-derived dedifferentiated fat cells with replicative senescence. Dent Mater J 2023. [PMID: 36775334 DOI: 10.4012/dmj.2022-242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Senescence-associated secretory phenotype (SASPs) secreted from senescent cells often cause the deleterious damages to the surrounding tissues. Although dedifferentiated fat (DFAT) cells prepared are considered a promising cell source for regenerative therapies, SASPs from DFAT cells undergoing long-term cell culture, which latently induce replicative senescence, have barely been explored. The present study was designed to investigate senescent behaviors in rat-derived DFAT cells at high passage numbers and to analyze the possible types of SASPs. Our data show that DFAT cells undergo senescence during replicative passaging, as determined by multiple senescent hallmarks including morphological changes in cell shape and nucleus. Moreover, RT2 PCR array analysis indicated that senescent DFAT cells expressed higher levels of 16 inflammatory cytokines (Ccl11, Ccl12, Ccl21, Ccl5, Csf2, Cxcl1, Cxcl12, Ifna2, IL11, IL12a, IL13, IL1a, IL1rn, IL6, Mif, and Tnf) associated with SASPs than non-senescent cells. This study implicates that rat DFAT cells undergo cellular senescence after long-term cell culture; cautious consideration should be paid to treat SASP secretion when senescent DFAT cells are used in regenerative medicine.
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Affiliation(s)
- Wenqi Deng
- Department of Orthodontics, Osaka Dental University
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Wang J, Cai J, Zhang Q, Wen J, Liao Y, Lu F. Fat transplantation induces dermal adipose regeneration and reverses skin fibrosis through dedifferentiation and redifferentiation of adipocytes. Stem Cell Res Ther 2022; 13:499. [PMID: 36210466 PMCID: PMC9549649 DOI: 10.1186/s13287-022-03127-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 08/07/2022] [Indexed: 11/18/2022] Open
Abstract
Background Localized scleroderma causes cosmetic disfigurement, joint contractures, and other functional impairment, but no currently available medications can reverse the resulting skin lesions. Fat grafting is beneficial for reversing skin fibrosis; however, the mechanism by which adipose tissue transplantation contributes to lesion improvement has not been fully clarified. The purpose of our study was to verify the therapeutic effect of fat grafts in reversing skin fibrosis. Methods Inguinal fat pads from AdipoqCreER+;mT/mG mice, which were treated with tamoxifen, were transplanted to the skin lesion in bleomycin-treated wild-type C57 mice. Tdtomato transgenic mice-derived adipocytes, adipose-derived stem cells (ASCs), dedifferentiated adipocytes (DAs) were embedded in matrigel and transplanted beneath the skin lesion of bleomycin-treated wild-type C57 mice. A transwell co‐culture system was used to verify the effect of ASCs, adipocytes or DAs on scleroderma fibroblasts or monocytes. Results Adipocytes from the fat grafts could undergo dedifferentiation and redifferentiation for dermal adipose tissue re-accumulation within the skin lesion. Moreover, compared with ASCs and adipocytes, DAs show greater potency of inducing adipogenesis. ASCs and DAs showed comparable effect on inducing angiogenesis and suppressing macrophage infiltration in fibrotic skin. Co-culture assay showed that DAs and ASCs were able to reduce fibrosis-related genes in human scleroderma fibroblasts and drive M2 macrophage polarization. Conclusion Our results indicated that adipocytes would transform into a more functional and dedifferentiated state and reverse dermal fibrosis, by promoting dermal adipose tissue regeneration, improving angiogenesis, suppressing macrophage-mediated inflammation and myofibroblast accumulation.
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Huang G, Xia B, Dai Z, Yang R, Chen R, Yang H. Comparative study of DFAT cell and ADSC sheets for periodontal tissue regeneration:
in vivo
and
in vitro
evidence. J Clin Periodontol 2022; 49:1289-1303. [PMID: 35851962 DOI: 10.1111/jcpe.13705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 05/29/2022] [Accepted: 06/30/2022] [Indexed: 11/27/2022]
Affiliation(s)
- Guobin Huang
- Yunnan Key Laboratory of Stomatology Kunming Medical University Kunming Yunnan PR China
- Department of Dental Research The Affiliated Stomatology Hospital of Kunming Medical University Kunming Yunnan PR China
| | - Bin Xia
- Yunnan Key Laboratory of Stomatology Kunming Medical University Kunming Yunnan PR China
- Department of Oral and Maxillofacial Surgery The Affiliated Stomatological Hospital of Kunming Medical University Kunming Yunnan P.R. China
| | - Zichao Dai
- Yunnan Key Laboratory of Stomatology Kunming Medical University Kunming Yunnan PR China
- Department of Dental Research The Affiliated Stomatology Hospital of Kunming Medical University Kunming Yunnan PR China
| | - Rongqiang Yang
- Yunnan Key Laboratory of Stomatology Kunming Medical University Kunming Yunnan PR China
- Department of Dental Research The Affiliated Stomatology Hospital of Kunming Medical University Kunming Yunnan PR China
| | - Rui Chen
- Yunnan Key Laboratory of Stomatology Kunming Medical University Kunming Yunnan PR China
- Department of Dental Research The Affiliated Stomatology Hospital of Kunming Medical University Kunming Yunnan PR China
| | - Hefeng Yang
- Yunnan Key Laboratory of Stomatology Kunming Medical University Kunming Yunnan PR China
- Department of Dental Research The Affiliated Stomatology Hospital of Kunming Medical University Kunming Yunnan PR China
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Komasa S, Okazaki J. Special Issue: Advances in Dental Bio-Nanomaterials. MATERIALS 2022; 15:ma15062098. [PMID: 35329550 PMCID: PMC8954889 DOI: 10.3390/ma15062098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 02/23/2022] [Accepted: 03/08/2022] [Indexed: 02/01/2023]
Abstract
Recent advances in dental materials involving the development of various biomaterials have been reported. Accordingly, clinicians must incorporate the new dental materials in their practice to respond to the increasing needs of patients. Nanotechnology is defined as a science that deals with nanoscale materials. The use of nanomaterials is gaining popularity in the dental industry for processing and manipulating nanoscale substances in modern dentistry. In this special issue, we invited the submission of several research papers on the development of dental materials. In this general discussion, we briefly explain the relevant research reports with an aim that developments in this field will contribute toward the development of dental care in the future.
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Furumori T, Ueda M, Honda Y, Hashimoto Y, Tanioka T, Kusano K, Baba S. The Effect of Different Surgical Instruments for Bone Regeneration under the Surgery of Bone Defect on Rat Calvaria. J HARD TISSUE BIOL 2022. [DOI: 10.2485/jhtb.31.63] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Mamoru Ueda
- Department of Biomaterials, Osaka Dental University
| | | | | | | | - Kaoru Kusano
- Department of Oral Implantology, Osaka Dental University
| | - Shunsuke Baba
- Department of Oral Implantology, Osaka Dental University
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Tatsis D, Vasalou V, Kotidis E, Anestiadou E, Grivas I, Cheva A, Koliakos G, Venetis G, Pramateftakis MG, Ouzounidis N, Angelopoulos S. The Combined Use of Platelet-Rich Plasma and Adipose-Derived Mesenchymal Stem Cells Promotes Healing. A Review of Experimental Models and Future Perspectives. Biomolecules 2021; 11:biom11101403. [PMID: 34680036 PMCID: PMC8533225 DOI: 10.3390/biom11101403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/15/2021] [Accepted: 09/17/2021] [Indexed: 11/16/2022] Open
Abstract
Wound healing and tissue regeneration are a field of clinical medicine presenting high research interest, since various local and systematic factors can inhibit these processes and lead to an inferior result. New methods of healing enhancement constantly arise, which, however, require experimental validation before their establishment in everyday practice. Platelet-rich plasma (PRP) is a well-known autologous factor that promotes tissue healing in various surgical defects. PRP derives from the centrifugation of peripheral blood and has a high concentration of growth factors that promote healing. Recently, the use of adipose-derived mesenchymal stem cells (ADMSCs) has been thoroughly investigated as a form of wound healing enhancement. ADMSCs are autologous stem cells deriving from fat tissue, with a capability of differentiation in specific cells, depending on the micro-environment that they are exposed to. The aim of the present comprehensive review is to record the experimental studies that have been published and investigate the synergistic use of PRP and ADMSC in animal models. The technical aspects of experimentations, as well as the major results of each study, are discussed. In addition, the limited clinical studies including humans are also reported. Future perspectives are discussed, along with the limitations of current studies on the long-term follow up needed on efficacy and safety.
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Affiliation(s)
- Dimitris Tatsis
- Fourth Surgical Department, School of Medicine, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece; (V.V.); (E.K.); (E.A.); (M.-G.P.); (N.O.); (S.A.)
- Oral and Maxillofacial Surgery Department, School of Dentistry, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece;
- Correspondence: or ; Tel.: +30-693-2611-752
| | - Varvara Vasalou
- Fourth Surgical Department, School of Medicine, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece; (V.V.); (E.K.); (E.A.); (M.-G.P.); (N.O.); (S.A.)
| | - Efstathios Kotidis
- Fourth Surgical Department, School of Medicine, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece; (V.V.); (E.K.); (E.A.); (M.-G.P.); (N.O.); (S.A.)
| | - Elissavet Anestiadou
- Fourth Surgical Department, School of Medicine, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece; (V.V.); (E.K.); (E.A.); (M.-G.P.); (N.O.); (S.A.)
| | - Ioannis Grivas
- Laboratory of Anatomy, Histology & Embryology, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Angeliki Cheva
- Department of Pathology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Georgios Koliakos
- Department of Biochemistry, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Gregory Venetis
- Oral and Maxillofacial Surgery Department, School of Dentistry, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece;
| | - Manousos-George Pramateftakis
- Fourth Surgical Department, School of Medicine, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece; (V.V.); (E.K.); (E.A.); (M.-G.P.); (N.O.); (S.A.)
| | - Nikolaos Ouzounidis
- Fourth Surgical Department, School of Medicine, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece; (V.V.); (E.K.); (E.A.); (M.-G.P.); (N.O.); (S.A.)
| | - Stamatis Angelopoulos
- Fourth Surgical Department, School of Medicine, Aristotle University of Thessaloniki, 57010 Thessaloniki, Greece; (V.V.); (E.K.); (E.A.); (M.-G.P.); (N.O.); (S.A.)
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