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Li X, Qu S, Ouyang Q, Qin F, Guo J, Qin M, Zhang J. A multifunctional composite nanoparticle with antibacterial activities, anti-inflammatory, and angiogenesis for diabetic wound healing. Int J Biol Macromol 2024; 260:129531. [PMID: 38244736 DOI: 10.1016/j.ijbiomac.2024.129531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 01/13/2024] [Accepted: 01/14/2024] [Indexed: 01/22/2024]
Abstract
The treatment of chronic diabetic wounds remains challenging due to the rapid bacterial infection, severe inflammation, and insufficient angiogenesis. To address these challenges, a novel multifunctional composite nanoparticle is developed by co-assembling antisolvent-induced co-assembling silk-fibroin ε-poly-l-Lysine nanoparticles (nSF-EPL) and further assembling nSF-EPL with polydeoxyribonucleotide (PDRN) and exosome derived from human umbilical mesenchymal stem cells (Exo). Owing to the modification of EPL, PDRN and Exo, composite nanoparticles exhibited synergistic antibacterial action, anti-inflammatory and angiogenesis, which can significantly benefit for promoting wound healing. Release results show that the composite nanoparticles exhibit long-term sustained PDRN and Exo release profiles as well as outstanding release efficiency. Furthermore, in vitro studies show that the composite nanoparticles exhibit effective antibacterial activity, thus inducing an anti-inflammatory M2 macrophages phenotype and promoting angiogenesis. In vivo research results of investigations pertaining to diabetic wound healing show that the composite nanoparticles have good anti-inflammatory and angiogenesis capabilities, which can promote granulation tissue formation, collagen deposition, wound tissue epithelialization, and significantly accelerate skin healing. This study presents a promising strategy for the clinical treatment of chronic diabetic wounds.
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Affiliation(s)
- Xiaoming Li
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Shuang Qu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Qiuhong Ouyang
- National Chengdu Center for Safety Evaluation of Drugs, State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Feng Qin
- National Chengdu Center for Safety Evaluation of Drugs, State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Jimin Guo
- Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Meng Qin
- National Chengdu Center for Safety Evaluation of Drugs, State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Jianjun Zhang
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
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Wang X, Li R, Zhao H. Enhancing angiogenesis: Innovative drug delivery systems to facilitate diabetic wound healing. Biomed Pharmacother 2024; 170:116035. [PMID: 38113622 DOI: 10.1016/j.biopha.2023.116035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 12/07/2023] [Accepted: 12/14/2023] [Indexed: 12/21/2023] Open
Abstract
Diabetic wounds (DW) constitute a substantial burden on global healthcare owing to their widespread occurrence as a complication of diabetes. Angiogenesis, a crucial process, plays a pivotal role in tissue recovery by supplying essential oxygen and nutrients to the injury site. Unfortunately, in diabetes mellitus, various factors disrupt angiogenesis, hindering wound healing. While biomaterials designed to enhance angiogenesis hold promise for the treatment of DWs, there is an urgent need for more in-depth investigations to fully unlock their potential in clinical management. In this review, we explore the intricate mechanisms of angiogenesis that are crucial for DW recovery. We introduce a rational design for angiogenesis-enhancing drug delivery systems (DDS) and provide a comprehensive summary and discussion of diverse biomaterials that enhance angiogenesis for facilitating DW healing. Lastly, we address emerging challenges and prospects in angiogenesis-enhancing DDS for facilitating DW healing, aiming to offer a comprehensive understanding of this critical healthcare issue and potential solutions.
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Affiliation(s)
- Xuan Wang
- Department of foot and ankle surgery, Honghui Hospital of Xi'an Jiaotong University, Xi'an 710054, China
| | - Runmin Li
- Department of foot and ankle surgery, Honghui Hospital of Xi'an Jiaotong University, Xi'an 710054, China
| | - Hongmou Zhao
- Department of foot and ankle surgery, Honghui Hospital of Xi'an Jiaotong University, Xi'an 710054, China.
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3
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Lu W, Du X, Zou S, Fang Q, Wu M, Li H, Shi B. IFN-γ enhances the therapeutic efficacy of MSCs-derived exosome via miR-126-3p in diabetic wound healing by targeting SPRED1. J Diabetes 2024; 16:e13465. [PMID: 37646268 PMCID: PMC10809290 DOI: 10.1111/1753-0407.13465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 06/26/2023] [Accepted: 08/08/2023] [Indexed: 09/01/2023] Open
Abstract
BACKGROUND AND AIMS The traditional treatment of diabetic wounds is unsatisfactory. Exosomes isolated from bone marrow mesenchymal stem cells (BMSCs) promote the healing of diabetic wounds. However, whether the exosomes secreted by interferon (IFN)-γ-pretreated BMSCs have an enhanced therapeutic effect on diabetic wound healing and the relevant mechanisms remain unclear. METHODS In this study, we isolated exosomes from the corresponding supernatants of BMSCs with (IExos) or without IFN-γ treatment (NExos). Human umbilical vein endothelial cells (HUVECs) were used to investigate the proliferation, migration, and tube formation under different treatments in vitro. Diabetic mice were induced by intraperitoneal administration of streptozotocin, and a circular full-thickness dermal defect was then made on the back of each mouse, followed by a multisite subcutaneous injection of phosphate buffered saline or exosomes. Hematoxylin-eosin (H&E) staining, Masson's trichrome staining, and histological analysis were performed to assess the speed and quality of wound healing. RESULTS NExos treatment accelerated the healing of diabetic wounds by promoting angiogenesis in vivo and in vitro, and IExos exhibited superior therapeutic efficiency. MicroRNA (miR)-126-3p was significantly increased in IExos, and exosomal miR-126-3p promoted angiogenesis and diabetic wound healing via its transfer to HUVECs. miR-126-3p regulates SPRED1 by directly targeting the 3'-UTR. Mechanistically, IFN-γ-pretreated BMSCs secreted miR-126-3p-enriched exosomes, which enhanced the function of HUVECs and promoted angiogenesis via the SPRED1/Ras/Erk pathway. CONCLUSION Exosomal miR-126-3p secreted from IFN-γ-pretreated BMSCs exhibited higher therapeutic efficacy than NExos in diabetic wound healing by promoting angiogenesis via the SPRED1/Ras/Erk axis.
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Affiliation(s)
- Wen Lu
- Department of Endocrinology and MetabolismThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Xuan Du
- Department of Endocrinology and MetabolismThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Shengyi Zou
- Department of Endocrinology and MetabolismThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Qionglei Fang
- Department of Endocrinology and MetabolismThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Mengjiao Wu
- Department of Endocrinology and MetabolismThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Huijuan Li
- Department of Endocrinology and MetabolismThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Bimin Shi
- Department of Endocrinology and MetabolismThe First Affiliated Hospital of Soochow UniversitySuzhouChina
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Luo L, Zhang H, Zhang S, Luo C, Kan X, Lv J, Zhao P, Tian Z, Li C. Extracellular vesicle-derived silk fibroin nanoparticles loaded with MFGE8 accelerate skin ulcer healing by targeting the vascular endothelial cells. J Nanobiotechnology 2023; 21:455. [PMID: 38017428 PMCID: PMC10685683 DOI: 10.1186/s12951-023-02185-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 11/02/2023] [Indexed: 11/30/2023] Open
Abstract
BACKGROUND Reduced supplies of oxygen and nutrients caused by vascular injury lead to difficult-to-heal pressure ulcers (PU) in clinical practice. Rapid vascular repair in the skin wound is the key to the resolution of this challenge, but clinical measures are still limited. We described the beneficial effects of extracellular vesicle-derived silk fibroin nanoparticles (NPs) loaded with milk fat globule EGF factor 8 (MFGE8) on accelerating skin blood vessel and PU healing by targeting CD13 in the vascular endothelial cells (VECs). METHODS CD13, the specific targeting protein of NGR, and MFGE8, an inhibitor of ferroptosis, were detected in VECs and PU tissues. Then, NPs were synthesized via silk fibroin, and MFGE8-coated NPs (NPs@MFGE8) were assembled via loading purified protein MFGE8 produced by Chinese hamster ovary cells. Lentivirus was used to over-express MFGE8 in VECs and obtained MFGE8-engineered extracellular vesicles (EVs-MFGE8) secreted by these VECs. The inhibitory effect of EVs-MFGE8 or NPs@MFGE8 on ferroptosis was detected in vitro. The NGR peptide cross-linked with NPs@MFGE8 was assembled into NGR-NPs@MFGE8. Collagen and silk fibroin were used to synthesize the silk fibroin/collagen hydrogel. After being loaded with NGR-NPs@MFGE8, silk fibroin/collagen hydrogel sustained-release carrier was synthesized to investigate the repair effect on PU in vivo. RESULTS MFGE8 was decreased, and CD13 was increased in PU tissues. Similar to the effect of EVs-MFGE8 on inhibiting ferroptosis, NPs@MFGE8 could inhibit the mitochondrial autophagy-induced ferroptosis of VECs. Compared with the hydrogels loaded with NPs or NPs@MFGE8, the hydrogels loaded with NGR-NPs@MFGE8 consistently released NGR-NPs@MFGE8 targeting CD13 in VECs, thereby inhibiting mitochondrial autophagy and ferroptosis caused by hypoxia and accelerating wound healing effectively in rats. CONCLUSIONS The silk fibroin/collagen hydrogel sustained-release carrier loaded with NGR-NPs@MFGE8 was of great significance to use as a wound dressing to inhibit the ferroptosis of VECs by targeting CD13 in PU tissues, preventing PU formation and promoting wound healing.
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Affiliation(s)
- Liwen Luo
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University (Third Military Medical University), 83, Xinqiao St, Shapingba District, Chongqing, 400037, China
| | - Hongyu Zhang
- Department of Emergency, Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Shiyu Zhang
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University (Third Military Medical University), 83, Xinqiao St, Shapingba District, Chongqing, 400037, China
| | - Chengqin Luo
- Department of Emergency, Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xuewei Kan
- Department of Dermatology, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Jun Lv
- Department of Pharmacy, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Ping Zhao
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, 2, Tiansheng Road, Beibei District, Chongqing, 400715, China.
| | - Zhiqiang Tian
- Institute of Immunology, PLA, Army Medical University (Third Military Medical University), 30 Gaotanyan St, Shapingba District, Chongqing, 400038, China.
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, 2, Tiansheng Road, Beibei District, Chongqing, 400715, China.
| | - Changqing Li
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University (Third Military Medical University), 83, Xinqiao St, Shapingba District, Chongqing, 400037, China.
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Zhang HM, Yang ML, Xi JZ, Yang GY, Wu QN. Mesenchymal stem cells-based drug delivery systems for diabetic foot ulcer: A review. World J Diabetes 2023; 14:1585-1602. [DOI: 10.4239/wjd.v14.i11.1585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 07/16/2023] [Accepted: 09/11/2023] [Indexed: 11/14/2023] Open
Abstract
The complication of diabetes, which is known as diabetic foot ulcer (DFU), is a significant concern due to its association with high rates of disability and mortality. It not only severely affects patients’ quality of life, but also imposes a substantial burden on the healthcare system. In spite of efforts made in clinical practice, treating DFU remains a challenging task. While mesenchymal stem cell (MSC) therapy has been extensively studied in treating DFU, the current efficacy of DFU healing using this method is still inadequate. However, in recent years, several MSCs-based drug delivery systems have emerged, which have shown to increase the efficacy of MSC therapy, especially in treating DFU. This review summarized the application of diverse MSCs-based drug delivery systems in treating DFU and suggested potential prospects for the future research.
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Affiliation(s)
- Hong-Min Zhang
- Department of Endocrinology, People’s Hospital of Chongqing Liangjiang New Area, Chongqing 400030, China
| | - Meng-Liu Yang
- Department of Endocrinology, The Second Affiliated Hospital of The Chongqing Medical University, Chongqing 400030, China
| | - Jia-Zhuang Xi
- Department of Endocrinology, Dazu Hospital of Chongqing Medical University, The People’s Hospital of Dazu, Chongqing 406230, China
| | - Gang-Yi Yang
- Department of Endocrinology, The Second Affiliated Hospital of The Chongqing Medical University, Chongqing 400030, China
| | - Qi-Nan Wu
- Department of Endocrinology, Dazu Hospital of Chongqing Medical University, The People’s Hospital of Dazu, Chongqing 406230, China
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Wang D, Xing J, Zhang Y, Guo Z, Deng S, Guan Z, He B, Ma R, Leng X, Dong K, Dong Y. Metal-Phenolic Networks for Chronic Wounds Therapy. Int J Nanomedicine 2023; 18:6425-6448. [PMID: 38026522 PMCID: PMC10640828 DOI: 10.2147/ijn.s434535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 10/27/2023] [Indexed: 12/01/2023] Open
Abstract
Chronic wounds are recalcitrant complications of a variety of diseases, with pathologic features including bacterial infection, persistent inflammation, and proliferation of reactive oxygen species (ROS) levels in the wound microenvironment. Currently, the use of antimicrobial drugs, debridement, hyperbaric oxygen therapy, and other methods in clinical for chronic wound treatment is prone to problems such as bacterial resistance, wound expansion, and even exacerbation. In recent years, researchers have proposed many novel materials for the treatment of chronic wounds targeting the disease characteristics, among which metal-phenolic networks (MPNs) are supramolecular network structures that utilize multivalent metal ions and natural polyphenols complexed through ligand bonds. They have a flexible and versatile combination of structural forms and a variety of formations (nanoparticles, coatings, hydrogels, etc.) that can be constructed. Functionally, MPNs combine the chemocatalytic and bactericidal properties of metal ions as well as the anti-inflammatory and antioxidant properties of polyphenol compounds. Together with the excellent properties of rapid synthesis and negligible cytotoxicity, MPNs have attracted researchers' great attention in biomedical fields such as anti-tumor, anti-bacterial, and anti-inflammatory. This paper will focus on the composition of MPNs, the mechanisms of MPNs for the treatment of chronic wounds, and the application of MPNs in novel chronic wound therapies.
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Affiliation(s)
- Danyang Wang
- Department of Pharmacy, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China
- School of Pharmacy, Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China
| | - Jianfeng Xing
- School of Pharmacy, Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China
| | - Ying Zhang
- School of Pharmacy, Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China
| | - Ziyang Guo
- School of Pharmacy, Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China
| | - Shujing Deng
- School of Pharmacy, Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China
| | - Zelin Guan
- School of Pharmacy, Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China
| | - Binyang He
- School of Pharmacy, Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China
| | - Ruirui Ma
- School of Pharmacy, Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China
| | - Xue Leng
- School of Pharmacy, Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China
| | - Kai Dong
- School of Pharmacy, Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China
| | - Yalin Dong
- Department of Pharmacy, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China
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Youssef K, Ullah A, Rezai P, Hasan A, Amirfazli A. Recent advances in biosensors for real time monitoring of pH, temperature, and oxygen in chronic wounds. Mater Today Bio 2023; 22:100764. [PMID: 37674780 PMCID: PMC10477692 DOI: 10.1016/j.mtbio.2023.100764] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 07/16/2023] [Accepted: 08/05/2023] [Indexed: 09/08/2023] Open
Abstract
Chronic wounds are among the major healthcare issues affecting millions of people worldwide with high rates of morbidity, losses of limbs and mortality. Microbial infection in wounds is a severe problem that can impede healing of chronic wounds. Accurate, timely and early detection of infections, and real time monitoring of various wound healing biomarkers related to infection can be significantly helpful in the treatment and care of chronic wounds. However, clinical methodologies of periodic assessment and care of wounds require physical visit to wound care clinics or hospitals and time-consuming frequent replacement of wound dressing patches, which also often adversely affect the healing process. Besides, frequent replacements of wound dressings are highly expensive, causing a huge amount of burden on the national health care systems. Smart bandages have emerged to provide in situ physiochemical surveillance in real time at the wound site. These bandages integrate smart sensors to detect the condition of wound infection based on various parameters, such as pH, temperature and oxygen level in the wound which reduces the frequency of changing the wound dressings and its associated complications. These devices can continually monitor the healing process, paving the way for tailored therapy and improved quality of patient's life. In this review, we present an overview of recent advances in biosensors for real time monitoring of pH, temperature, and oxygen in chronic wounds in order to assess infection status. We have elaborated the recent progress in quantitative monitoring of several biomarkers important for assessing wounds infection status and its detection using smart biosensors. The review shows that real-time monitoring of wound status by quantifying specific biomarkers, such as pH, temperature and tissue oxygenation to significantly aid the treatment and care of chronic infected wounds.
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Affiliation(s)
- Khaled Youssef
- Department of Mechanical Engineering, York University, Toronto, ON, Canada
| | - Asad Ullah
- Department of Mechanical and Industrial Engineering, Qatar University, Doha, 2713, Qatar
- Biomedical Research Center, Qatar University, Doha, 2713, Qatar
| | - Pouya Rezai
- Department of Mechanical Engineering, York University, Toronto, ON, Canada
| | - Anwarul Hasan
- Department of Mechanical and Industrial Engineering, Qatar University, Doha, 2713, Qatar
- Biomedical Research Center, Qatar University, Doha, 2713, Qatar
| | - Alidad Amirfazli
- Department of Mechanical Engineering, York University, Toronto, ON, Canada
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Jang EJ, Patel R, Patel M. Electrospinning Nanofibers as a Dressing to Treat Diabetic Wounds. Pharmaceutics 2023; 15:pharmaceutics15041144. [PMID: 37111630 PMCID: PMC10142830 DOI: 10.3390/pharmaceutics15041144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/01/2023] [Accepted: 04/01/2023] [Indexed: 04/08/2023] Open
Abstract
Globally, diabetic mellitus (DM) is a common metabolic disease that effectively inhibits insulin production, destroys pancreatic β cells, and consequently, promotes hyperglycemia. This disease causes complications, including slowed wound healing, risk of infection in wound areas, and development of chronic wounds all of which are significant sources of mortality. With an increasing number of people diagnosed with DM, the current method of wound healing does not meet the needs of patients with diabetes. The lack of antibacterial ability and the inability to sustainably deliver necessary factors to wound areas limit its use. To overcome this, a new method of creating wound dressings for diabetic patients was developed using an electrospinning methodology. The nanofiber membrane mimics the extracellular matrix with its unique structure and functionality, owing to which it can store and deliver active substances that greatly aid in diabetic wound healing. In this review, we discuss several polymers used to create nanofiber membranes and their effectiveness in the treatment of diabetic wounds.
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Affiliation(s)
- Eun Jo Jang
- Nano Science and Engineering, Integrated Science and Engineering Division (ISED), Underwood International College, Yonsei University, Songdogwahak-ro, Yeonsu-gu, Incheon 21983, Republic of Korea
| | - Rajkumar Patel
- Energy & Environmental Science and Engineering (EESE), Integrated Science and Engineering Division (ISED), Underwood International College, Yonsei University, 85 Songdogwahak-ro, Yeonsu-gu, Incheon 21938, Republic of Korea
| | - Madhumita Patel
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea
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Jiang M, Jiang X, Li H, Zhang C, Zhang Z, Wu C, Zhang J, Hu J, Zhang J. The role of mesenchymal stem cell-derived EVs in diabetic wound healing. Front Immunol 2023; 14:1136098. [PMID: 36926346 PMCID: PMC10011107 DOI: 10.3389/fimmu.2023.1136098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 02/09/2023] [Indexed: 03/04/2023] Open
Abstract
Diabetic foot is one of the most common complications of diabetes, requiring repeated surgical interventions and leading to amputation. In the absence of effective drugs, new treatments need to be explored. Previous studies have found that stem cell transplantation can promote the healing of chronic diabetic wounds. However, safety issues have limited the clinical application of this technique. Recently, the performance of mesenchymal stem cells after transplantation has been increasingly attributed to their production of exocrine functional derivatives such as extracellular vesicles (EVs), cytokines, and cell-conditioned media. EVs contain a variety of cellular molecules, including RNA, DNA and proteins, which facilitate the exchange of information between cells. EVs have several advantages over parental stem cells, including a high safety profile, no immune response, fewer ethical concerns, and a reduced likelihood of embolism formation and carcinogenesis. In this paper, we summarize the current knowledge of mesenchymal stem cell-derived EVs in accelerating diabetic wound healing, as well as their potential clinic applications.
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Affiliation(s)
- Min Jiang
- Department of Plastic Surgery, State Key Laboratory of Trauma, Burns and Combined Injury, Southwest Hospital, The Third Military Medical University (Army Medical University), Chongqing, China
| | - Xupin Jiang
- Department of Plastic Surgery, State Key Laboratory of Trauma, Burns and Combined Injury, Southwest Hospital, The Third Military Medical University (Army Medical University), Chongqing, China
| | - Hongmei Li
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, The Third Military Medical University (Army Medical University), Chongqing, China
| | - Can Zhang
- Department of Plastic Surgery, State Key Laboratory of Trauma, Burns and Combined Injury, Southwest Hospital, The Third Military Medical University (Army Medical University), Chongqing, China
| | - Ze Zhang
- Department of Plastic Surgery, State Key Laboratory of Trauma, Burns and Combined Injury, Southwest Hospital, The Third Military Medical University (Army Medical University), Chongqing, China
| | - Chao Wu
- Department of Plastic Surgery, State Key Laboratory of Trauma, Burns and Combined Injury, Southwest Hospital, The Third Military Medical University (Army Medical University), Chongqing, China
| | - Junhui Zhang
- Department of Geriatic Oncology, Department of Palliative Care, Department of Clinical Nutrition, Chongqing University Cancer Hospital, Chongqing, China.,Endocrinology Department, State Key Laboratory of Trauma, Burns and Combined Injury, Southwest Hospital, The Third Military Medical University (Army Medical University), Chongqing, China
| | - Jiongyu Hu
- Endocrinology Department, State Key Laboratory of Trauma, Burns and Combined Injury, Southwest Hospital, The Third Military Medical University (Army Medical University), Chongqing, China
| | - Jiaping Zhang
- Department of Plastic Surgery, State Key Laboratory of Trauma, Burns and Combined Injury, Southwest Hospital, The Third Military Medical University (Army Medical University), Chongqing, China
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10
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Nasrullah MZ. Caffeic Acid Phenethyl Ester Loaded PEG-PLGA Nanoparticles Enhance Wound Healing in Diabetic Rats. Antioxidants (Basel) 2022; 12:antiox12010060. [PMID: 36670922 PMCID: PMC9854644 DOI: 10.3390/antiox12010060] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/21/2022] [Accepted: 12/26/2022] [Indexed: 12/29/2022] Open
Abstract
Delayed wound healing is a serious complication of diabetes and a main reason for foot amputation. Caffeic acid phenethyl ester (CAPE) is a main active constituent of honeybee propolis with reported appealing pharmacological activities. In the current study, CAPE was loaded onto PEG-PLGA nanoparticles and showed a particle size of 198 ± 7.3 nm and polydispersity index of 0.43 ± 0.04. An in vivo study was performed to appraise the wound-healing activity of CAPE-loaded PEG-PLGA nanoparticles (CAPE-NPs) in diabetic rats. Wound closure was significantly accelerated in rats treated with CAPE-NPs. This was confirmed via histological examinations of skin tissues that indicated expedited healing and enhanced collagen deposition. This was accompanied by observed antioxidant activity as evidenced by the prevention of lipid peroxidation and the exhaustion of superoxide dismutase (SOD) and catalase (CAT) activities. In addition, CAPE-NPs showed superior anti-inflammatory activity as compared with the regular formula of CAPE, as they prevented the expression of interleukin-6 (IL-6) as well as tumor necrosis-alpha (TNF-α). The pro-collagen actions of CAPE-NPs were highlighted by the enhanced hyroxyproline content and up-regulation of Col 1A1 mRNA expression. Furthermore, the immunohistochemial assessment of skin tissues indicated that CAPE-NPs enhance proliferation and angiogenesis, as shown by the increased expression of transforming growth factor β1 (TGF-β1) and platelet-derived growth factor subunit B (PDGF-B). In conclusion, CAPE-loaded PEG-PLGA nanoparticles possess potent healing effects in diabetic wounds. This is mediated, at least partially, by its antioxidant, anti-inflammatory, and pro-collagen as well as angiogenic activities.
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Affiliation(s)
- Mohammed Z Nasrullah
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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11
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Liu Y, Li C, Feng Z, Han B, Yu DG, Wang K. Advances in the Preparation of Nanofiber Dressings by Electrospinning for Promoting Diabetic Wound Healing. Biomolecules 2022; 12. [PMID: 36551155 DOI: 10.3390/biom12121727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/15/2022] [Accepted: 11/19/2022] [Indexed: 11/25/2022] Open
Abstract
Chronic diabetic wounds are one of the main complications of diabetes, manifested by persistent inflammation, decreased epithelialization motility, and impaired wound healing. This will not only lead to the repeated hospitalization of patients, but also bear expensive hospitalization costs. In severe cases, it can lead to amputation, sepsis or death. Electrospun nanofibers membranes have the characteristics of high porosity, high specific surface area, and easy functionalization of structure, so they can be used as a safe and effective platform in the treatment of diabetic wounds and have great application potential. This article briefly reviewed the pathogenesis of chronic diabetic wounds and the types of dressings commonly used, and then reviewed the development of electrospinning technology in recent years and the advantages of electrospun nanofibers in the treatment of diabetic wounds. Finally, the reports of different types of nanofiber dressings on diabetic wounds are summarized, and the method of using multi-drug combination therapy in diabetic wounds is emphasized, which provides new ideas for the effective treatment of diabetic wounds.
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