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Park JS, Kim DY, Hong HS. FGF2/HGF priming facilitates adipose-derived stem cell-mediated bone formation in osteoporotic defects. Heliyon 2024; 10:e24554. [PMID: 38304814 PMCID: PMC10831751 DOI: 10.1016/j.heliyon.2024.e24554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/14/2023] [Accepted: 01/10/2024] [Indexed: 02/03/2024] Open
Abstract
Aims The activity of adipose-derived stem cells (ADSCs) is susceptible to the physiological conditions of the donor. Therefore, employing ADSCs from donors of advanced age or with diseases for cell therapy necessitates a strategy to enhance therapeutic efficacy before transplantation. This study aims to investigate the impact of supplementing Fibroblast Growth Factor 2 (FGF2) and Hepatocyte Growth Factor (HGF) on ADSC-mediated osteogenesis under osteoporotic conditions and to explore the underlying mechanisms of action. Main methods Adipose-derived stem cells (ADSCs) obtained from ovariectomized (OVX) rats were cultured ex vivo. These cells were cultured in an osteogenic medium supplemented with FGF2 and HGF and subsequently autologously transplanted into osteoporotic femur defects using Hydroxyapatite-Tricalcium Phosphate. The assessment of bone formation was conducted four weeks post-transplantation. Key findings Osteoporosis detrimentally affects the viability and osteogenic differentiation potential of ADSCs, often accompanied by a deficiency in FGF2 and HGF signaling. However, priming with FGF2 and HGF facilitated the formation of immature osteoblasts from OVX ADSCs in vitro, promoting the expression of osteoblastogenic proteins, including Runx-2, osterix, and ALP, during the early phase of osteogenesis. Furthermore, FGF2/HGF priming augmented the levels of VEGF and SDF-1α in the microenvironment of OVX ADSCs under osteogenic induction. Importantly, transplantation of OVX ADSCs primed with FGF2/HGF for 6 days significantly enhanced bone formation compared to non-primed cells. The success of bone regeneration was confirmed by the expression of type-1 collagen and osteocalcin in the bone tissue of the deficient area. Significance Our findings corroborate that priming with FGF2/HGF can improve the differentiation potential of ADSCs. This could be applied in autologous stem cell therapy for skeletal disease in the geriatric population.
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Affiliation(s)
- Jeong Seop Park
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul, 02447, South Korea
| | - Do Young Kim
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul, 02447, South Korea
| | - Hyun Sook Hong
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul, 02447, South Korea
- East-West Medical Research Institute, Kyung Hee University, Seoul, 02447, South Korea
- Kyung Hee Institute of Regenerative Medicine (KIRM), Medical Science Research Institute, Kyung Hee University Medical Center, Seoul, 02447, South Korea
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Piao J, Cho H, Park JH, Yoo KH, Jeong I, Hong HS. Preconditioning with Substance P Restores Therapeutic Efficacy of Aged ADSC by Elevating TNFR2 and Paracrine Potential. BIOLOGY 2023; 12:1458. [PMID: 38132284 PMCID: PMC10740808 DOI: 10.3390/biology12121458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/16/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023]
Abstract
Aging leads to a decline in stem cell activity by reducing the repopulation rate and paracrine potential, ultimately diminishing efficacy in vivo. TNF-α can exert inflammatory and cell death actions via Erk by binding to TNFR-1, and survival and tissue repair actions via Akt by binding to TNFR-2. Aged cells are reported to have insufficient expression of TNFR-2, indicating that aged adipose-derived stem cells (ADSCs-E) lack the ability for cell survival and immune control compared to young ADSCs (ADSCs-Y). This study aims to assess the preconditioning effect of SP on the response of ADSCs-E to inflammation. ADSCs-E were treated with SP and then exposed to a high dose of TNF-α for 24 h. Consequently, ADSC-E exhibited weaker viability and lower TNFR2 levels compared to ADSC-Y. In response to TNF-α, the difference in TNFR2 expression became more pronounced in ADSC-E and ADSC-Y. Moreover, ADSC-E showed a severe deficiency in proliferation and paracrine activity. However, preconditioning with SP significantly enhanced the viability of ADSCs-E and also restored TNFR2 expression and paracrine potential, similar to ADSC-Y under inflammatory conditions. Our findings support the idea that preconditioning with SP has the potential to restore the cellular function of senescent stem cells before transplantation.
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Affiliation(s)
- Jiyuan Piao
- Department of Genetic Engineering, Graduate School of Biotechnology, Kyung Hee University, Yongin-si 17104, Republic of Korea; (J.P.)
| | - Hyunchan Cho
- Department of Genetic Engineering, Graduate School of Biotechnology, Kyung Hee University, Yongin-si 17104, Republic of Korea; (J.P.)
| | - Jong Hyun Park
- Department of Dance, College of Performing Arts & Sport, Han Yang University, Seoul 04763, Republic of Korea
| | - Ki Hyun Yoo
- SIMPLE Planet Inc., Seoul 04790, Republic of Korea
| | - Ildoo Jeong
- SIMPLE Planet Inc., Seoul 04790, Republic of Korea
| | - Hyun Sook Hong
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
- East-West Medical Research Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Kyung Hee Institute of Regenerative Medicine (KIRM), Medical Science Research Institute, Kyung Hee University Medical Center, Seoul 02447, Republic of Korea
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Song Y, Wang N, Shi H, Zhang D, Wang Q, Guo S, Yang S, Ma J. Biomaterials combined with ADSCs for bone tissue engineering: current advances and applications. Regen Biomater 2023; 10:rbad083. [PMID: 37808955 PMCID: PMC10551240 DOI: 10.1093/rb/rbad083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 08/07/2023] [Accepted: 08/31/2023] [Indexed: 10/10/2023] Open
Abstract
In recent decades, bone tissue engineering, which is supported by scaffold, seed cells and bioactive molecules (BMs), has provided new hope and direction for treating bone defects. In terms of seed cells, compared to bone marrow mesenchymal stem cells, which were widely utilized in previous years, adipose-derived stem cells (ADSCs) are becoming increasingly favored by researchers due to their abundant sources, easy availability and multi-differentiation potentials. However, there is no systematic theoretical basis for selecting appropriate biomaterials loaded with ADSCs. In this review, the regulatory effects of various biomaterials on the behavior of ADSCs are summarized from four perspectives, including biocompatibility, inflammation regulation, angiogenesis and osteogenesis, to illustrate the potential of combining various materials with ADSCs for the treatment of bone defects. In addition, we conclude the influence of additional application of various BMs on the bone repair effect of ADSCs, in order to provide more evidences and support for the selection or preparation of suitable biomaterials and BMs to work with ADSCs. More importantly, the associated clinical case reports and experiments are generalized to provide additional ideas for the clinical transformation and application of bone tissue engineering loaded with ADSCs.
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Affiliation(s)
- Yiping Song
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang 110001, China
| | - Ning Wang
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang 110001, China
| | - Huixin Shi
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang 110001, China
| | - Dan Zhang
- School and Hospital of Stomatology, China Medical University, Shenyang 110001, China
- Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang 110001, China
| | - Qiang Wang
- School and Hospital of Stomatology, China Medical University, Shenyang 110001, China
- Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang 110001, China
| | - Shu Guo
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang 110001, China
| | - Shude Yang
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang 110001, China
- Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang 110001, China
| | - Jia Ma
- School and Hospital of Stomatology, China Medical University, Shenyang 110001, China
- Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang 110001, China
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Song S, Zhang G, Chen X, Zheng J, Liu X, Wang Y, Chen Z, Wang Y, Song Y, Zhou Q. HIF-1α increases the osteogenic capacity of ADSCs by coupling angiogenesis and osteogenesis via the HIF-1α/VEGF/AKT/mTOR signaling pathway. J Nanobiotechnology 2023; 21:257. [PMID: 37550736 PMCID: PMC10405507 DOI: 10.1186/s12951-023-02020-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 07/23/2023] [Indexed: 08/09/2023] Open
Abstract
BACKGROUND Stabilization and increased activity of hypoxia-inducible factor 1-α (HIF-1α) can directly increase cancellous bone formation and play an essential role in bone modeling and remodeling. However, whether an increased HIF-1α expression in adipose-derived stem cells (ADSCs) increases osteogenic capacity and promotes bone regeneration is not known. RESULTS In this study, ADSCs transfected with small interfering RNA and HIF-1α overexpression plasmid were established to investigate the proliferation, migration, adhesion, and osteogenic capacity of ADSCs and the angiogenic ability of human umbilical vein endothelial cells (HUVECs). Overexpression of HIF-1α could promote the biological functions of ADSCs, and the angiogenic ability of HUVECs. Western blotting showed that the protein levels of osteogenesis-related factors were increased when HIF-1α was overexpressed. Furthermore, the influence of upregulation of HIF-1α in ADSC sheets on osseointegration was evaluated using a Sprague-Dawley (SD) rats implant model, in which the bone mass and osteoid mineralization speed were evaluated by radiological and histological analysis. The overexpression of HIF-1α in ADSCs enhanced bone remodeling and osseointegration around titanium implants. However, transfecting the small interfering RNA (siRNA) of HIF-1α in ADSCs attenuated their osteogenic and angiogenic capacity. Finally, it was confirmed in vitro that HIF-1α promotes osteogenic differentiation and the biological functions in ADSCs via the VEGF/AKT/mTOR pathway. CONCLUSIONS This study demonstrates that HIF-1α has a critical ability to promote osteogenic differentiation in ADSCs by coupling osteogenesis and angiogenesis via the VEGF/AKT/mTOR signaling pathway, which in turn increases osteointegration and bone formation around titanium implants.
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Affiliation(s)
- Shuang Song
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, 710004 China
| | - Guanhua Zhang
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Xutao Chen
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Jian Zheng
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Xiangdong Liu
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Yiqing Wang
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081 China
| | - Zijun Chen
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Yuxi Wang
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Yingliang Song
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Qin Zhou
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, 710004 China
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