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He X, Gao X, Guo Y, Xie W. Research Progress on Bioactive Factors against Skin Aging. Int J Mol Sci 2024; 25:3797. [PMID: 38612608 PMCID: PMC11011925 DOI: 10.3390/ijms25073797] [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: 03/12/2024] [Revised: 03/24/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
The relentless pursuit of effective strategies against skin aging has led to significant interest in the role of bioactive factors, particularly secondary metabolites from natural sources. The purpose of this study is to meticulously explore and summarize the recent advancements in understanding and utilization of bioactive factors against skin aging, with a focus on their sources, mechanisms of action, and therapeutic potential. Skin, the largest organ of the body, directly interacts with the external environment, making it susceptible to aging influenced by factors such as UV radiation, pollution, and oxidative stress. Among various interventions, bioactive factors, including peptides, amino acids, and secondary metabolites, have shown promising anti-aging effects by modulating the biological pathways associated with skin integrity and youthfulness. This article provides a comprehensive overview of these bioactive compounds, emphasizing collagen peptides, antioxidants, and herbal extracts, and discusses their effectiveness in promoting collagen synthesis, enhancing skin barrier function, and mitigating the visible signs of aging. By presenting a synthesis of the current research, this study aims to highlight the therapeutic potential of these bioactive factors in developing innovative anti-aging skin care solutions, thereby contributing to the broader field of dermatological research and offering new perspectives for future studies. Our findings underscore the importance of the continued exploration of bioactive compounds for their potential to revolutionize anti-aging skin care and improve skin health and aesthetics.
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Affiliation(s)
- Xin He
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.); (Y.G.)
- Open FIESTA Center, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
| | - Xinyu Gao
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.); (Y.G.)
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
| | - Yifan Guo
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.); (Y.G.)
- Open FIESTA Center, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
| | - Weidong Xie
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.); (Y.G.)
- Open FIESTA Center, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
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Lai YW, Wu SH, Chou PR, Lin C, Yeh JL, Lin TM, Chai CY, Hsieh MCW, Huang SH. Autologous Fat Grafting in Female Genital Area Improves Sexual Function by Increasing Collagenesis, Angiogenesis, and Estrogen Receptors. Aesthet Surg J 2023; 43:872-884. [PMID: 36849597 DOI: 10.1093/asj/sjad040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 02/16/2023] [Accepted: 02/17/2023] [Indexed: 03/01/2023] Open
Abstract
BACKGROUND Vulvovaginal laxity, atrophic vaginitis, and orgasmic dysfunction are not only aesthetic but also sexual problems. Autologous fat grafting (AFG) facilitates tissue rejuvenation through the effects of adipose-derived stem cells; the fat grafts serve as soft-tissue filler. However, few studies have reported the clinical outcomes of patients undergoing vulvovaginal AFG. OBJECTIVES The aim of this study was to describe a new technique, micro-autologous fat transplantation (MAFT), for AFG in the vulvovaginal area. Posttreatment histologic changes in the vaginal canal that imply improved sexual function were assessed. METHODS This retrospective study enrolled females who underwent vulvovaginal AFG performed through MAFT between June 2017 and 2020. Assessments were based on the Female Sexual Function Index (FSFI) questionnaire and on histologic and immunohistochemical staining. RESULTS In total, 20 female patients (mean age, 38.1 years) were included. On average, 21.9 mL of fat was injected into the vagina and 20.8 mL in the vulva and mons pubis area. Six months afterwards, the patients' mean total FSFI score (68.6) was significantly higher than that at baseline (43.8; P < .001). Histologic and immunohistochemical staining of vaginal tissues revealed substantially increased levels of neocollagenesis, neoangiogenesis, and estrogen receptors. By contrast, the level of protein gene product 9.5, which is associated with neuropathic pain, was considerably lower after AFG. CONCLUSIONS AFG performed through MAFT in the vulvovaginal area may help manage sexual function-related problems in females. In addition, this technique improves aesthetics, restores tissue volume, alleviates dyspareunia with lubrication, and reduces scar tissue pain.
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Jia Q, Zhao H, Wang Y, Cen Y, Zhang Z. Mechanisms and applications of adipose-derived stem cell-extracellular vesicles in the inflammation of wound healing. Front Immunol 2023; 14:1214757. [PMID: 37520532 PMCID: PMC10376705 DOI: 10.3389/fimmu.2023.1214757] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 06/26/2023] [Indexed: 08/01/2023] Open
Abstract
Wound healing is a sophisticated process consisting of serial phases with overlaps, including hemostasis, inflammation, proliferation, and remodeling. The inflammation response is an early response that plays a crucial role in eliminating microbes and clearing damaged cell debris. However, in some pathological circumstances, such as diabetes mellitus, ischemia, trauma, deep burn, etc., abnormal inflammation can cause impaired wound healing. Adipose-derived stem cells (ADSCs) belong to the mesenchymal stem cell (MSC) family and exhibit prospective applications in tissue regeneration and dermatological repairs. ADSC-secreted extracellular vesicles (ADSC-EVs) mimic the functions of ADSCs without the concerns of cell survival, immune response, or ethical issues. Studies have revealed that ADSC-EVs can inhibit abnormal inflammation responses and accelerate wound healing through various mechanisms. Moreover, some studies explored modifications in the cargo components of ADSC-EVs to enhance their therapeutic efficacy. Given the increasing studies focusing on the potential of ADSC-EVs in wound healing, how they interfere with different phases of this process has been investigated in pieces. In this review, we summarized all up-to-date evidence to map a clearer picture of the underlying mechanisms of ADSC-EVs in inflammation response. The applications of ADSC-EVs aiming at inflammation in the healing process were also reviewed to provide therapeutic strategies for future investigators.
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Affiliation(s)
- Qingyi Jia
- Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Hanxing Zhao
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yixi Wang
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Ying Cen
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zhenyu Zhang
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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Wu Y, Hong P, Liu P, Zhang Q, Zhang Y, Yang B, Liu H, Liu L, Tian W, Yu M. Lipoaspirate fluid derived factors and extracellular vesicles accelerate wound healing in a rat burn model. Front Bioeng Biotechnol 2023; 11:1185251. [PMID: 37425361 PMCID: PMC10324973 DOI: 10.3389/fbioe.2023.1185251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 06/14/2023] [Indexed: 07/11/2023] Open
Abstract
Background: The regenerative capabilities of derivatives derived from the fat layer of lipoaspirate have been demonstrated. However, the large volume of lipoaspirate fluid has not attracted extensive attention in clinical applications. In this study, we aimed to isolate the factors and extracellular vesicles from human lipoaspirate fluid and evaluate their potential therapeutic efficacy. Methods: Lipoaspirate fluid derived factors and extracellular vesicles (LF-FVs) were prepared from human lipoaspirate and characterized by nanoparticle tracking analysis, size-exclusion chromatography and adipokine antibody arrays. The therapeutic potential of LF-FVs was evaluated on fibroblasts in vitro and rat burn model in vivo. Wound healing process was recorded on days 2, 4, 8, 10, 12 and 16 post-treatment. The scar formation was analyzed by histology, immunofluorescent staining and scar-related gene expression at day 35 post-treatment. Results: The results of nanoparticle tracking analysis and size-exclusion chromatography indicated that LF-FVs were enriched with proteins and extracellular vesicles. Specific adipokines (adiponectin and IGF-1) were detected in LF-FVs. In vitro, LF-FVs augmented the proliferation and migration of fibroblasts in a dose-dependent manner. In vivo, the results showed that LF-FVs significantly accelerated burn wound healing. Moreover, LF-FVs improved the quality of wound healing, including regenerating cutaneous appendages (hair follicles and sebaceous glands) and decreasing scar formation in the healed skin. Conclusion: LF-FVs were successfully prepared from lipoaspirate liquid, which were cell-free and enriched with extracellular vesicles. Additionally, they were found to improve wound healing in a rat burn model, suggesting that LF-FVs could be potentially used for wound regeneration in clinical settings.
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Affiliation(s)
- Yue Wu
- State Key Laboratory of Oral Disease, National Engineering Laboratory for Oral Regenerative Medicine, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, Sichuan University, Chengdu, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Pengyu Hong
- State Key Laboratory of Oral Disease, National Engineering Laboratory for Oral Regenerative Medicine, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, Sichuan University, Chengdu, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Pan Liu
- State Key Laboratory of Oral Disease, National Engineering Laboratory for Oral Regenerative Medicine, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, Sichuan University, Chengdu, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Qi Zhang
- State Key Laboratory of Oral Disease, National Engineering Laboratory for Oral Regenerative Medicine, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, Sichuan University, Chengdu, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yue Zhang
- State Key Laboratory of Oral Disease, National Engineering Laboratory for Oral Regenerative Medicine, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, Sichuan University, Chengdu, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Baohua Yang
- State Key Laboratory of Oral Disease, National Engineering Laboratory for Oral Regenerative Medicine, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, Sichuan University, Chengdu, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Huixing Liu
- Sichuan Huamel Zixin Medical Aesthetic Hospital, Chengdu, Sichuan, China
| | - Lei Liu
- State Key Laboratory of Oral Disease, National Engineering Laboratory for Oral Regenerative Medicine, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, Sichuan University, Chengdu, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Weidong Tian
- State Key Laboratory of Oral Disease, National Engineering Laboratory for Oral Regenerative Medicine, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, Sichuan University, Chengdu, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Mei Yu
- State Key Laboratory of Oral Disease, National Engineering Laboratory for Oral Regenerative Medicine, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, Sichuan University, Chengdu, China
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Liu GB, Zhan T, Pan YM, Zhang DW, Zheng HZ, Xu B, Li TT, Dong CL, Cheng YX. LNX2 involves in the role of ghrelin to promote the neuronal differentiation of adipose tissue-derived mesenchymal stem cells. J Bioenerg Biomembr 2023; 55:195-205. [PMID: 37237241 DOI: 10.1007/s10863-023-09967-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 05/09/2023] [Indexed: 05/28/2023]
Abstract
Adipose tissue-derived mesenchymal stem cells (ADSCs) have promising effects on nerve repair due to the differentiation ability to neural cells. Ghrelin has been shown to promote the neural differentiation of ADSCs. This work was designed to explore its underlying mechanism. Herein, we found high expression of LNX2 in ADSCs after neuronal differentiation. Knockdown of LNX2 might block neuronal differentiation of ADSCs, as evidenced by the decreased number of neural-like cells and dendrites per cell, and the reduced expressions of neural markers (including β-Tubulin III, Nestin, and MAP2). We also demonstrated that LNX2 silencing suppressed the nuclear translocation of β-catenin in differentiated ADSCs. Luciferase reporter assay indicated that LNX2 inhibited wnt/β-catenin pathway by reducing its transcriptional activity. In addition, results showed that LNX2 expression was increased by ghrelin, and its inhibition diminished the effects of ghrelin on neuronal differentiation. Altogether, the results suggest that LNX2 is involved in the role of ghrelin to facilitate neuronal differentiation of ADSCs.
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Affiliation(s)
- Gui-Bo Liu
- Department of Anatomy, School of Basic Medical Sciences, Mudanjiang Medical University, Mudanjiang, Heilongjiang, 157011, China
| | - Tao Zhan
- Department of Pathology, The First Clinical Medical School of Mudanjiang Medical University, No. 3, Tongxiang Street, Aimin District, Mudanjiang, Heilongjiang, 157011, China
| | - Yan-Ming Pan
- School of Imaging Sciences, Mudanjiang Medical University, Mudanjiang, 157011, Heilongjiang, China
| | - Da-Wei Zhang
- Department of Anatomy, School of Basic Medical Sciences, Mudanjiang Medical University, Mudanjiang, Heilongjiang, 157011, China
| | - Hui-Zhe Zheng
- Department of Pathology, The First Clinical Medical School of Mudanjiang Medical University, No. 3, Tongxiang Street, Aimin District, Mudanjiang, Heilongjiang, 157011, China
| | - Biao Xu
- Department of Cardiology, Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang, Heilongjiang, China
| | - Ting-Ting Li
- Department of Pathology, School of Basic Medical Sciences, Mudanjiang Medical University, Mudanjiang, 157011, Heilongjiang, China
| | - Chuan-Ling Dong
- Department of Anatomy, School of Basic Medical Sciences, Mudanjiang Medical University, Mudanjiang, Heilongjiang, 157011, China
| | - Yong-Xia Cheng
- Department of Pathology, The First Clinical Medical School of Mudanjiang Medical University, No. 3, Tongxiang Street, Aimin District, Mudanjiang, Heilongjiang, 157011, China.
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Wang Y, Song P, Wu L, Su Z, Gui X, Gao C, Zhao H, Wang Y, Li Z, Cen Y, Pan B, Zhang Z, Zhou C. In situ photo-crosslinked adhesive hydrogel loaded with mesenchymal stem cell-derived extracellular vesicles promotes diabetic wound healing. J Mater Chem B 2023; 11:837-851. [PMID: 36594635 DOI: 10.1039/d2tb02371g] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
The delayed healing of diabetic wounds is directly affected by the disturbance of wound microenvironment, resulting from persistent inflammation, insufficient angiogenesis, and impaired cell functions. Mesenchymal stem cell-derived extracellular vesicles (MSC-EVs) showed considerable therapeutic potential in diabetic wound healing. However, the low retention rate of MSC-EVs at wound sites hampers their efficacy. For skin wounds exposed to the outer environment, using a hydrogel with tissue adhesiveness under a moist wound condition is a promising strategy for wound healing. In this study, we modified methacryloyl-modified gelatin (GelMA) hydrogel with catechol motifs of dopamine to fabricate a GelMA-dopamine hydrogel. EVs isolated from MSCs were applied in the synthesized GelMA-dopamine hydrogel to prepare a GelMA-dopamine-EV hydrogel. The results demonstrated that the newly formed GelMA-dopamine hydrogel possessed improved properties of softness, adhesiveness, and absorptive capacity, as well as high biocompatibility in the working concentration (15% w/v). In addition, MSC-EVs were verified to promote cell migration and angiogenesis in vitro. In the skin wound model of diabetic rats, the GelMA-dopamine-EV hydrogel exerted prominent wound healing efficacy estimated by collagen deposition, skin appendage regeneration, and the expression of IL-6, CD31, and TGF-β. In conclusion, this combination of MSC-EVs and the modified hydrogel not only accelerates wound closure but also promotes skin structure normalization by rescuing the homeostasis of the healing microenvironment of diabetic wounds, which provides a potential approach for the treatment of diabetic wounds.
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Affiliation(s)
- Yixi Wang
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Ping Song
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China. .,College of Biomedical Engineering, Sichuan University, Chengdu, 610064, China
| | - Lina Wu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China. .,College of Biomedical Engineering, Sichuan University, Chengdu, 610064, China
| | - Zixuan Su
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China. .,College of Biomedical Engineering, Sichuan University, Chengdu, 610064, China
| | - Xingyu Gui
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China. .,College of Biomedical Engineering, Sichuan University, Chengdu, 610064, China
| | - Canyu Gao
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China. .,College of Biomedical Engineering, Sichuan University, Chengdu, 610064, China
| | - Hanxing Zhao
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Yudong Wang
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Zhengyong Li
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Ying Cen
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Bo Pan
- Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100144, China
| | - Zhenyu Zhang
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Changchun Zhou
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China. .,College of Biomedical Engineering, Sichuan University, Chengdu, 610064, China
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Abstract
Tissue engineering and regenerative medicine (TERM) may be defined as a translational discipline focused on the development of novel techniques, devices, and materials to replace or repair injured or diseased tissue and organs. The main approaches typically use cells, scaffolds, and signaling molecules, either alone or in combination, to promote repair and regeneration. Although cells are required to create new functional tissue, the source of cells, either from an exogenous allogeneic or autologous source or through the recruitment of endogenous (autologous) cells, is technically challenging and risks the host rejection of new tissue. Regardless of the cell source, these approaches also require appropriate instruction for proliferation, differentiation, and in vivo spatial organization to create new functional tissue. Such instruction is supplied through the microenvironment where cells reside, environments which largely consist of the extracellular matrix (ECM). The specific components of the ECM, and broadly the extracellular space, responsible for promoting tissue regeneration and repair, are not fully understood, however extracellular vesicles (EVs) found in body fluids and solid phases of ECM have emerged as key mediators of tissue regeneration and repair. Additionally, these EVs might serve as potential cell-free tools in TERM to promote tissue repair and regeneration with minimal risk for host rejection and adverse sequelae. The past two decades have shown a substantial interest in understanding the therapeutic role of EVs and their applications in the context of TERM. Therefore, the purpose of this review is to highlight the fundamental characteristics of EVs, the current pre-clinical and clinical applications of EVs in TERM, and the future of EV-based strategies in TERM.
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