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Shan Y, Tan B, Zhang M, Xie X, Liao J. Restorative biodegradable two-layered hybrid microneedles for melanoma photothermal/chemo co-therapy and wound healing. J Nanobiotechnology 2022; 20:238. [PMID: 35590414 PMCID: PMC9118597 DOI: 10.1186/s12951-022-01426-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 04/19/2022] [Indexed: 02/08/2023] Open
Abstract
Tumor killing and wound healing are two complementary and influential processes during the treatment of melanoma. Herein, a two-layered microneedle platform was developed with bifunctional effect of chemo-photothermal synergistic melanoma therapy and skin regeneration. The bifunctional platform composed of embeddable curcumin nanodrugs/new Indocyanine Green/hyaluronic acid (Cur NDs/IR820/HA) microneedles and sodium alginate/gelatin/hyaluronic acid (SA/Ge/HA) supporting backing layer was prepared through a two-step casting process. With uniform incorporation of curcumin nanodrugs and IR820, the microneedles exhibited excellent photothermal performance under external near-infrared (NIR) light stimulation and tumor co-therapy ability. Once the embeddable microneedles were inserted into skin, they would rapidly dissolve and activate drug release successfully for tumor treatment. Moreover, the SA/Ge/HA supporting backing layer was left behind to cover the wound and promote the proliferation of endothelial and fibroblasts cells for enhanced skin regeneration. The two-layered microneedles platform can simultaneously eliminate the tumor and accelerate wounding healing, which may be potentially employed as a competitive strategy for the treatment of melanoma.
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Affiliation(s)
- Yue Shan
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, People's Republic of China
| | - Bowen Tan
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, People's Republic of China
| | - Min Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, People's Republic of China
| | - Xi Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, People's Republic of China
| | - Jinfeng Liao
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, People's Republic of China.
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52
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Lan H, Zou M, Zhu F, Chen H, Wang T, Huang X. Pro‐angiogenic role of
ZEB1
in skin wound healing by upregulating
VEGFA
via
microRNA
‐206 suppression. Exp Dermatol 2022; 31:1392-1401. [PMID: 35570385 DOI: 10.1111/exd.14607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 04/13/2022] [Accepted: 05/12/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Hongwei Lan
- Department of Burn Plastic Surgery The First Affiliated Hospital of Hunan University of Chinese Medicine Changsha Hunan P.R. China
| | - Meilin Zou
- Department of Burn Plastic Surgery The First Affiliated Hospital of Hunan University of Chinese Medicine Changsha Hunan P.R. China
| | - Furong Zhu
- Department of Burn Plastic Surgery The First Affiliated Hospital of Hunan University of Chinese Medicine Changsha Hunan P.R. China
| | - Hongping Chen
- Department of Burn Plastic Surgery The First Affiliated Hospital of Hunan University of Chinese Medicine Changsha Hunan P.R. China
| | - Tingting Wang
- Department of Burn Plastic Surgery The First Affiliated Hospital of Hunan University of Chinese Medicine Changsha Hunan P.R. China
| | - Xinling Huang
- Department of Burn Plastic Surgery The First Affiliated Hospital of Hunan University of Chinese Medicine Changsha Hunan P.R. China
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53
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Chen Y, Sun W, Tang H, Li Y, Li C, Wang L, Chen J, Lin W, Li S, Fan Z, Cheng Y, Chen C. Interactions Between Immunomodulatory Biomaterials and Immune Microenvironment: Cues for Immunomodulation Strategies in Tissue Repair. Front Bioeng Biotechnol 2022; 10:820940. [PMID: 35646833 PMCID: PMC9140325 DOI: 10.3389/fbioe.2022.820940] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/31/2022] [Indexed: 11/13/2022] Open
Abstract
The foreign body response (FBR) caused by biomaterials can essentially be understood as the interaction between the immune microenvironment and biomaterials, which has severely impeded the application of biomaterials in tissue repair. This concrete interaction occurs via cells and bioactive substances, such as proteins and nucleic acids. These cellular and molecular interactions provide important cues for determining which element to incorporate into immunomodulatory biomaterials (IMBs), and IMBs can thus be endowed with the ability to modulate the FBR and repair damaged tissue. In terms of cellular, IMBs are modified to modulate functions of immune cells, such as macrophages and mast cells. In terms of bioactive substances, proteins and nucleic acids are delivered to influence the immune microenvironment. Meanwhile, IMBs are designed with high affinity for spatial targets and the ability to self-adapt over time, which allows for more efficient and intelligent tissue repair. Hence, IMB may achieve the perfect functional integration in the host, representing a breakthrough in tissue repair and regeneration medicine.
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Affiliation(s)
- Yi Chen
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Weiyan Sun
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Hai Tang
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Yingze Li
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
- Institute for Regenerative Medicine, Institute for Translational Nanomedicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chen Li
- School of Materials Science and Engineering, Tongji University, Shanghai, China
| | - Long Wang
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Jiafei Chen
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Weikang Lin
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Shenghui Li
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Ziwen Fan
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Yu Cheng
- Institute for Regenerative Medicine, Institute for Translational Nanomedicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
- The Institute for Biomedical Engineering and Nano Science, Tongji University School of Medicine, Shanghai, China
- *Correspondence: Yu Cheng, ; Chang Chen,
| | - Chang Chen
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
- *Correspondence: Yu Cheng, ; Chang Chen,
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54
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Liao X, Yan F, Hu S, Mu J, Li S, He Y, Tang M, Chen J, Yu L, Sun J. Adipose mesenchymal stem cell sheets-derived extracellular vesicles-microRNA-10b promote skin wound healing by elevating expression of CDK6. BIOMATERIALS ADVANCES 2022; 136:212781. [PMID: 35929331 DOI: 10.1016/j.bioadv.2022.212781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 03/07/2022] [Accepted: 03/26/2022] [Indexed: 06/15/2023]
Abstract
Application of adipose-derived mesenchymal stromal cells (AMSCs)-derived extracellular vesicles (EVs) in skin wound healing has been documented. In this study, we investigated the therapeutic potential of AMSCs-derived EVs in skin wound healing through delivery of microRNA-10b (miR-10b). HaCaT cells were treated with H2O2 to establish the skin wound cell models. Next, the binding affinity between miR-194, PEA15, and CDK6 was identified. Additionally, EVs were isolated from the culture medium of AMSC sheets, followed by incubation with H2O2-treated HaCaT cells to detect cell proliferation, migration, and apoptosis using gain- or loss-of-function experiments. Lastly, the mice skin wound models were also established to assess skin wound healing ability. miR-10b was down-regulated in the skin trauma models and enriched in the EVs of AMSC sheets. Moreover, miR-10b derived from EVs targeted PEA15 to promote CDK6 expression, thereby stimulating the proliferation and migration of H2O2-damaged HaCaT cells but inhibiting apoptosis. In vivo experiments further ascertained the therapeutic functionality of AMSC sheets-derived EVs-miR-10b. In summary, AMSC sheets-derived EVs carrying miR-10b promoted CDK6 expression to intensify skin wound healing by regulating PEA15.
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Affiliation(s)
- Xin Liao
- Shenzhen Beike Biotechnology Research Institute, Shenzhen 518057, PR China
| | - Fei Yan
- Department of Plastic and Aesthetic Surgery, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen 518055, PR China
| | - Sean Hu
- Shenzhen Beike Biotechnology Research Institute, Shenzhen 518057, PR China
| | - Jing Mu
- Shenzhen Beike Biotechnology Research Institute, Shenzhen 518057, PR China
| | - Siqiaozhi Li
- Shenzhen Beike Biotechnology Research Institute, Shenzhen 518057, PR China
| | - Yixuan He
- Shenzhen Beike Biotechnology Research Institute, Shenzhen 518057, PR China
| | - Manshu Tang
- Shenzhen Toyon Biotechnology Co., Ltd, Shenzhen 518057, PR China
| | - Junhui Chen
- Intervention and Cell Therapy Center, Shenzhen Hospital of Peking University, Shenzhen 518057, PR China
| | - Li Yu
- Department of Plastic and Aesthetic Surgery, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen 518055, PR China.
| | - Jia Sun
- Shenzhen Beike Biotechnology Research Institute, Shenzhen 518057, PR China; Intervention and Cell Therapy Center, Shenzhen Hospital of Peking University, Shenzhen 518057, PR China.
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55
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Deng Y, Yang C, Zhu Y, Liu W, Li H, Wang L, Chen W, Wang Z, Wang L. Lamprey-Teeth-Inspired Oriented Antibacterial Sericin Microneedles for Infected Wound Healing Improvement. NANO LETTERS 2022; 22:2702-2711. [PMID: 35324204 DOI: 10.1021/acs.nanolett.1c04573] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The therapeutic efficacy of wound infections caused by bacteria is challenged by limited wound repairs and a high risk of inflammation. Microneedles have been generated for wound healing since they are able to efficiently pierce the epidermis and deliver drugs. However, regular microneedles cannot provide oriented traction to "shrink" the wound area, and most microneedles are made of inert polymers, which mainly serve as a support but rarely participate in the following physiological processes. Herein, inspired by lamprey teeth, we designed oriented antibacterial sericin microneedles with dually functionalized needles to provide penetration and directional traction. Sericin, derived from silkworm cocoons, was employed to fabricate microneedle tips, significantly improving skin repair via hair follicle regeneration and angiogenesis. Besides, zinc oxide nanoparticles were integrated as an antibacterial module, endowing the OASM with high bacterial suppression. It is believed that the synergy of these systems may effectively heal infected wounds, suggesting its clinically translational potential.
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56
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Li R, Liu K, Huang X, Li D, Ding J, Liu B, Chen X. Bioactive Materials Promote Wound Healing through Modulation of Cell Behaviors. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105152. [PMID: 35138042 PMCID: PMC8981489 DOI: 10.1002/advs.202105152] [Citation(s) in RCA: 81] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/24/2021] [Indexed: 05/13/2023]
Abstract
Skin wound repair is a multistage process involving multiple cellular and molecular interactions, which modulate the cell behaviors and dynamic remodeling of extracellular matrices to maximize regeneration and repair. Consequently, abnormalities in cell functions or pathways inevitably give rise to side effects, such as dysregulated inflammation, hyperplasia of nonmigratory epithelial cells, and lack of response to growth factors, which impedes angiogenesis and fibrosis. These issues may cause delayed wound healing or even non-healing states. Current clinical therapeutic approaches are predominantly dedicated to preventing infections and alleviating topical symptoms rather than addressing the modulation of wound microenvironments to achieve targeted outcomes. Bioactive materials, relying on their chemical, physical, and biological properties or as carriers of bioactive substances, can affect wound microenvironments and promote wound healing at the molecular level. By addressing the mechanisms of wound healing from the perspective of cell behaviors, this review discusses how bioactive materials modulate the microenvironments and cell behaviors within the wounds during the stages of hemostasis, anti-inflammation, tissue regeneration and deposition, and matrix remodeling. A deeper understanding of cell behaviors during wound healing is bound to promote the development of more targeted and efficient bioactive materials for clinical applications.
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Affiliation(s)
- Ruotao Li
- Department of Hand and Foot SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
| | - Kai Liu
- Department of Hand and Foot SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
| | - Xu Huang
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
- Department of Hepatobiliary and Pancreatic SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
| | - Di Li
- Department of Hepatobiliary and Pancreatic SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
| | - Jianxun Ding
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
| | - Bin Liu
- Department of Hand and Foot SurgeryThe First Hospital of Jilin University1 Xinmin StreetChangchun130065P. R. China
| | - Xuesi Chen
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences5625 Renmin StreetChangchun130022P. R. China
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57
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Pandey N, Soto-Garcia L, Yaman S, Kuriakose A, Rivera AU, Jones V, Liao J, Zimmern P, Nguyen KT, Hong Y. Polydopamine nanoparticles and hyaluronic acid hydrogels for mussel-inspired tissue adhesive nanocomposites. BIOMATERIALS ADVANCES 2022; 134:112589. [PMID: 35525749 PMCID: PMC9753139 DOI: 10.1016/j.msec.2021.112589] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 11/18/2021] [Accepted: 11/29/2021] [Indexed: 12/16/2022]
Abstract
Bioadhesives are intended to facilitate the fast and efficient reconnection of tissues to restore their functionality after surgery or injury. The use of mussel-inspired hydrogel systems containing pendant catechol moieties is promising for tissue attachment under wet conditions. However, the adhesion strength is not yet ideal. One way to overcome these limitations is to add polymeric nanoparticles to create nanocomposites with improved adhesion characteristics. To further enhance adhesiveness, polydopamine nanoparticles with controlled size prepared using an optimized process, were combined with a mussel-inspired hyaluronic acid (HA) hydrogel to form a nanocomposite. The effects of sizes and concentrations of polydopamine nanoparticles on the adhesive profiles of mussel-inspired HA hydrogels were investigated. Results show that the inclusion of polydopamine nanoparticles in nanocomposites increased adhesion strength, as compared to the addition of poly (lactic-co-glycolic acid) (PLGA), and PLGA-(N-hydroxysuccinimide) (PLGA-NHS) nanoparticles. A nanocomposite with demonstrated cytocompatibility and an optimal lap shear strength (47 ± 3 kPa) was achieved by combining polydopamine nanoparticles of 200 nm (12.5% w/v) with a HA hydrogel (40% w/v). This nanocomposite adhesive shows its potential as a tissue glue for biomedical applications.
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Affiliation(s)
- Nikhil Pandey
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA; Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Luis Soto-Garcia
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA; Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Serkan Yaman
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA; Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Aneetta Kuriakose
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA; Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Andres Urias Rivera
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
| | - Valinda Jones
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
| | - Jun Liao
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA; Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Philippe Zimmern
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Kytai T Nguyen
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA; Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
| | - Yi Hong
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA; Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
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58
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Wang Y, Niu W, Qu X, Lei B. Bioactive Anti-Inflammatory Thermocatalytic Nanometal-Polyphenol Polypeptide Scaffolds for MRSA-Infection/Tumor Postsurgical Tissue Repair. ACS APPLIED MATERIALS & INTERFACES 2022; 14:4946-4958. [PMID: 35073045 DOI: 10.1021/acsami.1c21082] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Postsurgical tumor recurrence, infection, and tissue defect are still the challenges in clinical medicine. The development of multifunctional biomaterial scaffolds with a microenvironment-responsive tumor-infection therapy-tissue repair is highly desirable. Herein, we report a bioactive, injectable, adhesive, self-healing, antibacterial, and anti-inflammatory metal-polyphenol polypeptide nanocomposite scaffold (PEAPF) with temporal-spatial-controlled inflammation-triggered therapeutic properties for efficient infection and postsurgical tumor therapy and skin repair. PEAPF scaffolds showed sustained and inherent inflammation-triggered Fenton catalysis and mild thermochemical effect for specifically inhibiting tumor recurrence in vitro and in vivo. The PEAPF scaffolds significantly facilitated skin tissue regeneration in MRSA-infected chronic wounds and postsurgical tissue defects after tumor resection. This study presents the multifunctional scaffold-based safe and efficient therapeutic strategy to prevent local tumor recurrence and enhance postsurgical tissue regeneration.
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Affiliation(s)
- Yidan Wang
- Frontier Institute of Science and Technology, Instrument Analysis Center, Xi'an Jiaotong University, Xi'an 710054, China
| | - Wen Niu
- Frontier Institute of Science and Technology, Instrument Analysis Center, Xi'an Jiaotong University, Xi'an 710054, China
| | - Xiaoyan Qu
- Frontier Institute of Science and Technology, Instrument Analysis Center, Xi'an Jiaotong University, Xi'an 710054, China
| | - Bo Lei
- Frontier Institute of Science and Technology, Instrument Analysis Center, Xi'an Jiaotong University, Xi'an 710054, China
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an 710054, China
- Department of Orthopedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710054, China
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59
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60
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Liu Y, Zhu T, Li J, Bao Y, Cheng B, Chen S, Du J, Hu S. Magnolol Hybrid Nanofibrous Mat with Antibacterial, Anti-Inflammatory, and Microvascularized Properties for Wound Treatment. Biomacromolecules 2022; 23:1124-1137. [DOI: 10.1021/acs.biomac.1c01430] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Yonghang Liu
- School of Chemistry and Chemical Engineering, Shanghai Engineering Research Center of Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Non-coding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai 201620, P. R. China
| | - Tonghe Zhu
- School of Chemistry and Chemical Engineering, Shanghai Engineering Research Center of Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Non-coding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai 201620, P. R. China
| | - Jun Li
- Department of Orthopedics, Shanghai Tenth People’s Hospital Affiliated to Tongji University, 301 Yanchang Road, Shanghai 200072, P. R. China
| | - Yiming Bao
- School of Chemistry and Chemical Engineering, Shanghai Engineering Research Center of Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Non-coding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai 201620, P. R. China
| | - Biao Cheng
- Department of Orthopedics, Shanghai Tenth People’s Hospital Affiliated to Tongji University, 301 Yanchang Road, Shanghai 200072, P. R. China
| | - Sihao Chen
- School of Chemistry and Chemical Engineering, Shanghai Engineering Research Center of Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Non-coding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai 201620, P. R. China
| | - Juan Du
- School of Chemistry and Chemical Engineering, Shanghai Engineering Research Center of Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Non-coding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai 201620, P. R. China
| | - Shaowei Hu
- ENT Institute and Department of Otorhinolaryngology, Eye & ENT Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Biomedical Sciences of Fudan University, NHC Key Laboratory of Hearing Medicine of Fudan University, Fudan University, 83 Fenyang Road, Shanghai 200031, P. R. China
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61
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Zheng BD, Ye J, Yang YC, Huang YY, Xiao MT. Self-healing polysaccharide-based injectable hydrogels with antibacterial activity for wound healing. Carbohydr Polym 2022; 275:118770. [PMID: 34742452 DOI: 10.1016/j.carbpol.2021.118770] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 10/09/2021] [Accepted: 10/12/2021] [Indexed: 01/13/2023]
Abstract
Because the wound is difficult to heal, repeated bacterial infection will lead to complex clinical problems. Therefore, it is necessary to find an effective method to strengthen the healing process and resist bacterial infection. Hydrogels have many advantages, such as injectability and self-healing under physiological conditions, so they have been widely studied in recent years. Hydrogels can keep the wound moist and promote the wound healing. In addition, the growth of bacteria can be obviously inhibited by hydrogels themself or by doping some antibacterial active substances. Based on this, herein, this review highlighted the preparation and properties of different polysaccharide-based injectable hydrogels, and discuss their biological applications in antibacterial therapy for wound healing in recent years.
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Affiliation(s)
- Bing-De Zheng
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China.
| | - Jing Ye
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Yu-Cheng Yang
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Ya-Yan Huang
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Mei-Tian Xiao
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China.
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62
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Competing Endogenous RNA Network in Non-Keloid-Prone Individuals During Wound Healing. J Craniofac Surg 2021; 33:29-34. [PMID: 34882650 DOI: 10.1097/scs.0000000000007824] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
ABSTRACT To study the interaction between differentially expressed long non-coding RNAs (lncRNAs), microRNAs, and messenger RNAs during wound healing in normal individuals. The GSE113621 dataset was downloaded from gene expression matrix, specimens regarding non-keloid-prone individuals were selected, including items before and 6 weeks after injury. A Pearson correlation coefficient of > 0.95 was selected as the index to screen targeting relationships among different RNAs. Cytoscape was used to construct a network diagram. The expression of 2547 lncRNAs was changed during the wound healing process-1479 were upregulated and 1068 were downregulated. After analyzing competitive endogenous RNA network, 4 upregulated (MEG8, MEG3, MIR181A1HG, MIR4435-2HG) lncRNAs were found expressed during wound healing. MEG8/MEG3 may regulate fibroblast proliferation, differentiation, and apoptosis through hsa-miR-296-3p/miR-6763-5p. In-depth mining of gene expression matrix data indicated that lncRNAs and a competitive endogenous RNA regulatory network participate in the wound healing process, possibly providing novel intervention targets and treatment options for delayed wound healing.
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63
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Zhang Q, Zhang H, Hui A, Ding J, Liu X, Wang A. Synergistic Effect of Glycyrrhizic Acid and ZnO/Palygorskite on Improving Chitosan-Based Films and Their Potential Application in Wound Healing. Polymers (Basel) 2021; 13:3878. [PMID: 34833177 PMCID: PMC8617876 DOI: 10.3390/polym13223878] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 11/03/2021] [Accepted: 11/04/2021] [Indexed: 02/01/2023] Open
Abstract
The synergistic effect of chitosan (CS), glycyrrhizic acid (GA) and ZnO/palygorskite (ZnO/PAL) as potential wound dressing was evaluated in the form of films by the solution casting method. The nanocomposite films were well-characterized with ATR-FTIR, XRD and SEM to explore the interactions between CS, GA and ZnO/PAL. Physical, mechanical and antibacterial properties of the nanocomposite films were systematically investigated for their reliability in end-up utilization. Importantly, it was found that the presence of PAL in the films provided enhanced mechanical properties, whereas CS, GA and ZnO supplied a broad-spectrum antibacterial activity, especially for drug-resistant bacteria such as ESBL-E. coli and MRSA. Overall, this research demonstrated that the prepared films can be a promising candidate for wound-care materials.
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Affiliation(s)
- Qian Zhang
- Laboratory Medicine Center, Lanzhou University Second Hospital, Lanzhou 730030, China;
- Key Laboratory of Clay Mineral Applied Research of Gansu Province, Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; (H.Z.); (A.H.); (J.D.)
| | - Hong Zhang
- Key Laboratory of Clay Mineral Applied Research of Gansu Province, Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; (H.Z.); (A.H.); (J.D.)
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Aiping Hui
- Key Laboratory of Clay Mineral Applied Research of Gansu Province, Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; (H.Z.); (A.H.); (J.D.)
| | - Junjie Ding
- Key Laboratory of Clay Mineral Applied Research of Gansu Province, Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; (H.Z.); (A.H.); (J.D.)
| | - Xinyue Liu
- Laboratory Medicine Center, Lanzhou University Second Hospital, Lanzhou 730030, China;
| | - Aiqin Wang
- Key Laboratory of Clay Mineral Applied Research of Gansu Province, Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; (H.Z.); (A.H.); (J.D.)
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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Basit HM, Ali M, Shah MM, Shah SU, Wahab A, Albarqi HA, Alqahtani AA, Walbi IA, Khan NR. Microwave Enabled Physically Cross Linked Sodium Alginate and Pectin Film and Their Application in Combination with Modified Chitosan-Curcumin Nanoparticles. A Novel Strategy for 2nd Degree Burns Wound Healing in Animals. Polymers (Basel) 2021; 13:polym13162716. [PMID: 34451253 PMCID: PMC8399952 DOI: 10.3390/polym13162716] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/10/2021] [Accepted: 08/10/2021] [Indexed: 01/19/2023] Open
Abstract
This study reports microwave assisted physically cross-linked sodium alginate and pectin film and their testing in combination with modified chitosan-curcumin nanoparticles for skin tissue regeneration following 2nd degree burn wound. Film was formulated by solution casting method and physically cross-linked using microwave irradiation at frequency of 2450 MHz, power 750 Watt for different time intervals for optimization. The optimized formulation was analyzed for various physiochemical attributes. Afterwards, the optimized film and optimized modified chitosan-curcumin nanoparticles were tested in combination for skin regeneration potential following burn wound in vivo and skin samples extracted and tested for different attributes. The results indicated that the optimized film formulation (5 min microwave treatment) physicochemical attributes significantly enhanced addressing the properties required of a wound healing platform. The vibrational analysis indicated that the optimized film experienced significant rigidification of hydrophilic domains while the hydrophobic domains underwent significant fluidization which also resulted in significant increase in the transition temperatures and system enthalpies of both polymer moieties with microwave treatment. The combined film and nanoparticles application significantly increased protein content in the wounds which were evident from higher absorbance ratios of amide-I and amide-II (2.15 ± 0.001), significantly higher melting transition temperature and enthalpy (∆T = 167.2 ± 15.4 °C, ∆H = 510.7 ± 20.1 J/g) and higher tensile strength (14.65 ± 0.8 MPa) with significantly enhanced percent re-epithelization (99.9934 ± 2.56) in comparison to other treatments. The combined application of film and nanoparticles may prove to be a new novel treatment strategy for 2nd degree burn wound healing.
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Affiliation(s)
- Hafiz Muhammad Basit
- Department of Pharmaceutics, Faculty of Pharmacy, Gomal University, DIKhan 29050, Pakistan; (H.M.B.); (M.A.); (S.U.S.)
- Gomal Centre for Skin/Regenerative Medicine and Drug Delivery Research, Faculty of Pharmacy, Gomal University, DIKhan 29050, Pakistan
| | - Muhammad Ali
- Department of Pharmaceutics, Faculty of Pharmacy, Gomal University, DIKhan 29050, Pakistan; (H.M.B.); (M.A.); (S.U.S.)
- Gomal Centre for Skin/Regenerative Medicine and Drug Delivery Research, Faculty of Pharmacy, Gomal University, DIKhan 29050, Pakistan
| | - Mian Mufarih Shah
- Department of Medicine MTI, Hayatabad Medical Complex, Peshawar 25000, Pakistan;
| | - Shefaat Ullah Shah
- Department of Pharmaceutics, Faculty of Pharmacy, Gomal University, DIKhan 29050, Pakistan; (H.M.B.); (M.A.); (S.U.S.)
- Gomal Centre for Skin/Regenerative Medicine and Drug Delivery Research, Faculty of Pharmacy, Gomal University, DIKhan 29050, Pakistan
| | - Abdul Wahab
- Department of Pharmacy, Kohat University of Science and Technology, Kohat 26000, Pakistan;
| | - Hassan A. Albarqi
- Department of Pharmaceutics, College of Pharmacy, Najran University, Najran 55461, Saudi Arabia; (H.A.A.); (A.A.A.)
| | - Abdulsalam A. Alqahtani
- Department of Pharmaceutics, College of Pharmacy, Najran University, Najran 55461, Saudi Arabia; (H.A.A.); (A.A.A.)
| | - Ismail A. Walbi
- Department of Clinical Pharmacy, College of Pharmacy, Najran University, Najran 55461, Saudi Arabia;
| | - Nauman Rahim Khan
- Gomal Centre for Skin/Regenerative Medicine and Drug Delivery Research, Faculty of Pharmacy, Gomal University, DIKhan 29050, Pakistan
- Department of Pharmacy, Kohat University of Science and Technology, Kohat 26000, Pakistan;
- Correspondence: ; Tel.: +92-34-5983-4257
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Heydari P, Kharaziha M, Varshosaz J, Javanmard SH. Current knowledge of immunomodulation strategies for chronic skin wound repair. J Biomed Mater Res B Appl Biomater 2021; 110:265-288. [PMID: 34318595 DOI: 10.1002/jbm.b.34921] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 07/16/2021] [Accepted: 07/18/2021] [Indexed: 12/11/2022]
Abstract
In orchestrating the wound healing process, the immune system plays a critical role. Hence, controlling the immune system to repair skin defects is an attractive approach. The highly complex immune system includes the coordinated actions of several immune cells, which can produce various inflammatory and antiinflammatory cytokines and affect the healing of skin wounds. This process can be optimized using biomaterials, bioactive molecules, and cell delivery. The present review discusses various immunomodulation strategies for supporting the healing of chronic wounds. In this regard, following the evolution of the immune system and its role in the wound healing mechanism, the interaction between the extracellular mechanism and immune cells for acceleration wound healing will be firstly investigated. Consequently, the immune-based chronic wounds will be briefly examined and the mechanism of progression, and conventional methods of their treatment are evaluated. In the following, various biomaterials-based immunomodulation strategies are introduced to stimulate and control the immune system to treat and regenerate skin defects. Other effective methods of controlling the immune system in wound healing which is the release of bioactive agents (such as antiinflammatory, antigens, and immunomodulators) and stem cell therapy at the site of injury are reviewed.
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Affiliation(s)
- Parisa Heydari
- Department of Materials Engineering, Isfahan University of Technology, Isfahan, Iran
| | - Mahshid Kharaziha
- Department of Materials Engineering, Isfahan University of Technology, Isfahan, Iran
| | - Jaleh Varshosaz
- School of Pharmacy and Pharmaceutical Science, Isfahan University of Medical Science, Isfahan, Iran
| | - Shaghayegh Haghjooy Javanmard
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
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Perez-Amodio S, Rubio N, Vila OF, Navarro-Requena C, Castaño O, Sanchez-Ferrero A, Marti-Munoz J, Alsina-Giber M, Blanco J, Engel E. Polymeric Composite Dressings Containing Calcium-Releasing Nanoparticles Accelerate Wound Healing in Diabetic Mice. Adv Wound Care (New Rochelle) 2021; 10:301-316. [PMID: 32602814 DOI: 10.1089/wound.2020.1206] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Objective: Wound healing is a complex process that involves the interaction between different cell types and bioactive factors. Impaired wound healing is characterized by a loss in synchronization of these interactions, resulting in nonhealing chronic wounds. Chronic wounds are a socioeconomic burden, one of the most prominent clinical manifestations of diabetes, however, they lack satisfactory treatment options. The objective of this study was to develop polymeric composites that deliver ions having wound healing properties and evaluate its performance using a pressure ulcer model in diabetic mice. Approach: To develop a polymeric composite wound dressing containing ion-releasing nanoparticles for chronic wound healing. This composite was chemically and physically characterized and evaluated using a pressure ulcer wound model in diabetic (db/db) mice to explore their potential as novel wound dressing. Results: This dressing exhibits a controlled ion release and a good in vitro bioactivity. The polymeric composite dressing treatment stimulates angiogenesis, collagen synthesis, granulation tissue formation, and accelerates wound closure of ischemic wounds created in diabetic mice. In addition, the performance of the newly designed composite is remarkably better than a commercially available dressing frequently used for the treatment of low-exuding chronic wounds. Innovation: The developed nanoplatforms are cell- and growth factor free and control the host microenvironment resulting in enhanced wound healing. These nanoplatforms are available by cost-effective synthesis with a defined composition, offering an additional advantage in potential clinical application. Conclusion: Based on the obtained results, these polymeric composites offer an optimum approach for chronic wound healing without adding cells or external biological factors.
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Affiliation(s)
- Soledad Perez-Amodio
- Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Madrid, Spain
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- Materials Science and Metallurgical Engineering, Polytechnic University of Catalonia (UPC), Barcelona, Spain
| | - Nuria Rubio
- Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Madrid, Spain
- Catalonian Institute for Advanced Chemistry (IQAC-CSIC), Barcelona, Spain
| | - Olaia F Vila
- Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Madrid, Spain
- Catalonian Institute for Advanced Chemistry (IQAC-CSIC), Barcelona, Spain
| | - Claudia Navarro-Requena
- Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Madrid, Spain
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Oscar Castaño
- Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Madrid, Spain
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- Electronics and Biomedical Engineering, Universitat de Barcelona (UB), Barcelona, Spain
- Bioelectronics Unit and Nanobioengineering Lab., Institute for Nanoscience and Nanotechnology of the University of Barcelona (IN2UB), Barcelona, Spain
| | - Aitor Sanchez-Ferrero
- Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Madrid, Spain
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Joan Marti-Munoz
- Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Madrid, Spain
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Mercè Alsina-Giber
- Department of Dermatology, Hospital Clinic de Barcelona, Universitat de Barcelona, Barcelona, Spain
| | - Jeronimo Blanco
- Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Madrid, Spain
- Catalonian Institute for Advanced Chemistry (IQAC-CSIC), Barcelona, Spain
| | - Elisabeth Engel
- Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Madrid, Spain
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- Materials Science and Metallurgical Engineering, Polytechnic University of Catalonia (UPC), Barcelona, Spain
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Blanco-Fernandez B, Castaño O, Mateos-Timoneda MÁ, Engel E, Pérez-Amodio S. Nanotechnology Approaches in Chronic Wound Healing. Adv Wound Care (New Rochelle) 2021; 10:234-256. [PMID: 32320364 PMCID: PMC8035922 DOI: 10.1089/wound.2019.1094] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 03/04/2020] [Indexed: 12/28/2022] Open
Abstract
Significance: The incidence of chronic wounds is increasing due to our aging population and the augment of people afflicted with diabetes. With the extended knowledge on the biological mechanisms underlying these diseases, there is a novel influx of medical technologies into the conventional wound care market. Recent Advances: Several nanotechnologies have been developed demonstrating unique characteristics that address specific problems related to wound repair mechanisms. In this review, we focus on the most recently developed nanotechnology-based therapeutic agents and evaluate the efficacy of each treatment in in vivo diabetic models of chronic wound healing. Critical Issues: Despite the development of potential biomaterials and nanotechnology-based applications for wound healing, this scientific knowledge is not translated into an increase of commercially available wound healing products containing nanomaterials. Future Directions: Further studies are critical to provide insights into how scientific evidences from nanotechnology-based therapies can be applied in the clinical setting.
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Affiliation(s)
- Barbara Blanco-Fernandez
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Oscar Castaño
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- Electronics and Biomedical Engineering, Universitat de Barcelona (UB), Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
- Bioelectronics Unit and Nanobioengineering Lab, Institute for Nanoscience and Nanotechnology of the University of Barcelona (IN2UB), Barcelona, Spain
| | - Miguel Ángel Mateos-Timoneda
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
- Materials Science and Metallurgical Engineering, Polytechnic University of Catalonia (UPC), Barcelona, Spain
| | - Elisabeth Engel
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
- Materials Science and Metallurgical Engineering, Polytechnic University of Catalonia (UPC), Barcelona, Spain
| | - Soledad Pérez-Amodio
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
- Materials Science and Metallurgical Engineering, Polytechnic University of Catalonia (UPC), Barcelona, Spain
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68
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Blanquer A, Musilkova J, Filova E, Taborska J, Brynda E, Riedel T, Klapstova A, Jencova V, Mullerova J, Kostakova EK, Prochazkova R, Bacakova L. The Effect of a Polyester Nanofibrous Membrane with a Fibrin-Platelet Lysate Coating on Keratinocytes and Endothelial Cells in a Co-Culture System. NANOMATERIALS 2021; 11:nano11020457. [PMID: 33670150 PMCID: PMC7916860 DOI: 10.3390/nano11020457] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 02/02/2021] [Accepted: 02/08/2021] [Indexed: 01/18/2023]
Abstract
Chronic wounds affect millions of patients worldwide, and it is estimated that this number will increase steadily in the future due to population ageing. The research of new therapeutic approaches to wound healing includes the development of nanofibrous meshes and the use of platelet lysate (PL) to stimulate skin regeneration. This study considers a combination of a degradable electrospun nanofibrous blend of poly(L-lactide-co-ε-caprolactone) and poly(ε-caprolactone) (PLCL/PCL) membranes (NF) and fibrin loaded with various concentrations of PL aimed at the development of bioactive skin wound healing dressings. The cytocompatibility of the NF membranes, as well as the effect of PL, was evaluated in both monocultures and co-cultures of human keratinocytes and human endothelial cells. We determined that the keratinocytes were able to adhere on all the membranes, and their increased proliferation and differentiation was observed on the membranes that contained fibrin with at least 50% of PL (Fbg + PL) after 14 days. With respect to the co-culture experiments, the membranes with fibrin with 20% of PL were observed to enhance the metabolic activity of endothelial cells and their migration, and the proliferation and differentiation of keratinocytes. The results suggest that the newly developed NF combined with fibrin and PL, described in the study, provides a promising dressing for chronic wound healing purposes.
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Affiliation(s)
- Andreu Blanquer
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic; (J.M.); (E.F.); (L.B.)
- Correspondence: ; Tel.: +420-29-644-3741
| | - Jana Musilkova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic; (J.M.); (E.F.); (L.B.)
| | - Elena Filova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic; (J.M.); (E.F.); (L.B.)
| | - Johanka Taborska
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Heyrovskeho nam. 2, 162 06 Prague 6, Czech Republic; (J.T.); (E.B.); (T.R.)
| | - Eduard Brynda
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Heyrovskeho nam. 2, 162 06 Prague 6, Czech Republic; (J.T.); (E.B.); (T.R.)
| | - Tomas Riedel
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Heyrovskeho nam. 2, 162 06 Prague 6, Czech Republic; (J.T.); (E.B.); (T.R.)
| | - Andrea Klapstova
- Faculty of Textile Engineering, Technical University of Liberec, Studentska 1402/2, 461 17 Liberec 1, Czech Republic;
| | - Vera Jencova
- Faculty of Science, Humanities and Education, Technical University of Liberec, Studentska 1402/2, 461 17 Liberec 1, Czech Republic; (V.J.); (J.M.); (E.K.K.)
| | - Jana Mullerova
- Faculty of Science, Humanities and Education, Technical University of Liberec, Studentska 1402/2, 461 17 Liberec 1, Czech Republic; (V.J.); (J.M.); (E.K.K.)
- Institute of Nanomaterials, Advanced Technologies and Innovation, Bendlova 1409/7, 460 01 Liberec 1, Czech Republic
| | - Eva Kuzelova Kostakova
- Faculty of Science, Humanities and Education, Technical University of Liberec, Studentska 1402/2, 461 17 Liberec 1, Czech Republic; (V.J.); (J.M.); (E.K.K.)
| | - Renata Prochazkova
- Faculty of Health, Technical University of Liberec, Studentska 1402/2, 461 17 Liberec 1, Czech Republic;
- Regional Hospital Liberec, Husova 357/28, 460 01 Liberec 1, Czech Republic
| | - Lucie Bacakova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic; (J.M.); (E.F.); (L.B.)
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Oliver S, Pham TTP, Li Y, Xu FJ, Boyer C. More than skin deep: using polymers to facilitate topical delivery of nitric oxide. Biomater Sci 2021; 9:391-405. [PMID: 32856653 DOI: 10.1039/d0bm01197e] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Skin, the largest organ in the human body, provides several important functions, including providing protection from mechanical impacts, micro-organisms, radiation and chemicals; regulation of body temperature; the sensations of touch and temperature; and the synthesis of several substances including vitamin D, melanin, and keratin. Common dermatological disorders (CDDs) include inflammatory or immune-mediated skin diseases, skin infection, skin cancer, and wounds. In the treatment of skin disorders, topical administration has advantages over other routes of administration, and polymers are widely used as vehicles to facilitate the delivery of topical therapeutic agents, serving as matrices to keep therapeutic agents in contact with the skin. Nitric oxide (NO), a cellular signalling molecule, has attracted significant interest in treating a broad spectrum of diseases, including various skin disorders. However, there are a number of challenges in effectively delivering NO. It must be delivered in a controlled manner at sufficient concentrations to be efficacious and the delivery system must be stable during storage. The use of polymer-based systems to deliver NO topically can be an effective strategy to overcome these challenges. There are three main approaches for incorporating NO with polymers in topical delivery systems: (i) physical incorporation of NO donors into polymer bases; (ii) covalent attachment of NO donors to polymers; and (iii) encapsulation of NO donors in polymer-based particles. The latter two approaches provide the greatest control over NO release and have been used by numerous researchers in treating CDDs, including chronic wounds and skin cancer.
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Affiliation(s)
- Susan Oliver
- Australian Centre for NanoMedicine (ACN) and Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney, Australia 2052.
| | - Thi Thu Phuong Pham
- Australian Centre for NanoMedicine (ACN) and Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney, Australia 2052.
| | - Yang Li
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Fu-Jian Xu
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Cyrille Boyer
- Australian Centre for NanoMedicine (ACN) and Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney, Australia 2052.
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Salleh A, Fauzi MB. The In Vivo, In Vitro and In Ovo Evaluation of Quantum Dots in Wound Healing: A Review. Polymers (Basel) 2021; 13:E191. [PMID: 33430272 PMCID: PMC7825662 DOI: 10.3390/polym13020191] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 12/29/2020] [Accepted: 12/29/2020] [Indexed: 01/09/2023] Open
Abstract
Wound is defined as primarily damaged or disruption of skin contributed to the loss of its microstructure stability and which undergoes complex wound healing process. However, there are tons of factors that could affect the wound healing process such as infection and slow angiogenesis. Involvement of nanotechnologies therapies in wound care research aims to facilitates this healing process. Quantum dots (QDs) are an advanced nanomaterial technology found to be useful in clinical and biomedical applications. This review has been carried out to provide a summary of the application of QDs in acute or chronic wound healing. A thorough searching was done via Web of Science and SCOPUS database to obtain relevant articles including the in vivo, in vitro and in ovo studies. The results demonstrated a similar effect of different types of QDs, or an improvement of QDs in wound healing, antibacterial and angiogenesis properties. This review demonstrated the effectiveness of QDs for the wound healing process mainly by their antibacterial activity. Uniquely, the antibacterial effect unraveled an increasing trend over time influenced by the various concentration of QDs. In conclusion, the application of QDs support the wound healing phases and proven to be effective in vivo, in vitro and in ovo. However, the future QDs work should focus on the molecular level for the details of cellular interactions and pathways.
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Affiliation(s)
| | - Mh Busra Fauzi
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia;
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Abstract
The normal wound healing process and the foreign body reaction to wound management materials.
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Affiliation(s)
- Jeon Il Kang
- Department of Bioengineering and Nano-bioengineering
- Incheon National University
- Korea
| | - Kyung Min Park
- Department of Bioengineering and Nano-bioengineering
- Incheon National University
- Korea
- Division of Bioengineering
- College of Life Sciences and Bioengineering
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Li P, Ruan L, Wang R, Liu T, Song G, Gao X, Jiang G, Liu X. Electrospun Scaffold of Collagen and Polycaprolactone Containing ZnO Quantum Dots for Skin Wound Regeneration. JOURNAL OF BIONIC ENGINEERING 2021; 18:1378-1390. [PMID: 34840554 PMCID: PMC8607054 DOI: 10.1007/s42235-021-00115-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 08/21/2021] [Accepted: 09/04/2021] [Indexed: 05/02/2023]
Abstract
UNLABELLED Nanofibers (NFs) have been widely used in tissue engineering such as wound healing. In this work, the antibacterial ZnO quantum dots (ZnO QDs) have been incorporated into the biocompatible poly (ε-caprolactone)/collagen (PCL/Col) fibrous scaffolds for wound healing. The as-fabricated PCL-Col/ZnO fibrous scaffolds exhibited good swelling, antibacterial activity, and biodegradation behaviors, which were beneficial for the applications as a wound dressing. Moreover, the PCL-Col/ZnO fibrous scaffolds showed excellent cytocompatibility for promoting cell proliferation. The resultant PCL-Col/ZnO fibrous scaffolds containing vascular endothelial growth factor (VEGF) also exhibited promoted wound-healing effect through promoting expression of transforming growth factor-β (TGF-β) and the vascular factor (CD31) in tissues in the early stages of wound healing. This new electrospun fibrous scaffolds with wound-healing promotion and antibacterial property should be convenient for treating wound healing. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s42235-021-00115-7.
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Affiliation(s)
- Pengfei Li
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018 China
| | - Liming Ruan
- Department of Dermatology, Beilun People’s Hospital of Ningbo City, Ningbo, 315800 China
| | - Ruofan Wang
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018 China
- Department of Dermatology, Beilun People’s Hospital of Ningbo City, Ningbo, 315800 China
| | - Tianqi Liu
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018 China
| | - Gao Song
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018 China
| | - Xiaofei Gao
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018 China
| | - Guohua Jiang
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018 China
- Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018 China
- Institute of Smart Biomedical Materials, Zhejiang Sci-Tech University, Hangzhou, 310018 China
| | - Xiaoyan Liu
- Department of Dermatology, The 1st Affiliated Hospital of Zhejiang University, Hangzhou, 310003 China
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Gehrcke M, de Bastos Brum T, da Rosa LS, Ilha BD, Soares FZM, Cruz L. Incorporation of nanocapsules into gellan gum films: A strategy to improve the stability and prolong the cutaneous release of silibinin. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 119:111624. [PMID: 33321666 DOI: 10.1016/j.msec.2020.111624] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 07/28/2020] [Accepted: 10/09/2020] [Indexed: 10/23/2022]
Abstract
This study aimed to develop gellan gum films containing silibinin-loaded nanocapsules as a novel approach for cutaneous administration of this flavonoid. The nanocapsule suspensions were prepared and presented mean size around 140 nm with homogenous distribution, negative zeta potential and silibinin encapsulation efficiency close to 100%. Then, these suspensions were converted into gellan gum films by solvent casting method. The films were transparent, flexible and maintained the gellan gum hydrophilicity. Nanocapsules provided the silibinin homogenous distribution in the films and prolonged its release, as well as improved the gellan gum occlusion potential. Besides, the nanosuspensions conversion into films improved the silibinin stability. Additionally, the nano-based films presented a swelling index 1.5 times higher than films containing non-nanoencapsulated silibinin. Microscopic analysis evidenced the homogeneous surface of the nano-based films, while films containing non-nanoencapsulated silibinin presented small cracks. The in vitro skin permeation profile confirmed the silibinin gradual release from the nano-based films and its greater retention in the dermis when the skin is damaged. Finally, the formulations presented no irritant effect in the HET-CAM assay. Therefore, the conversion of silibinin-loaded nanocapsule suspensions into films might be considered a promising platform for skin delivery of this flavonoid.
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Affiliation(s)
- Mailine Gehrcke
- Laboratório de Tecnologia Farmacêutica, Programa de Pós-graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Taíne de Bastos Brum
- Laboratório de Tecnologia Farmacêutica, Programa de Pós-graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Lucas Saldanha da Rosa
- Departamento de Odontologia Restauradora, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Bruna Dias Ilha
- Departamento de Odontologia Restauradora, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Fabio Zovico Maxnuck Soares
- Departamento de Odontologia Restauradora, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Letícia Cruz
- Laboratório de Tecnologia Farmacêutica, Programa de Pós-graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil.
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74
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Li N, Bai B, Zhang H, Zhang W, Tang S. Adipose stem cell secretion combined with biomaterials facilitates large-area wound healing. Regen Med 2020; 15:2311-2323. [PMID: 33320721 DOI: 10.2217/rme-2020-0086] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Adipose-derived stem cell (ADSC)-based therapeutic strategies are in fast-pace advancement in wound treatment due to their availability and the ability to self-renew, undergo multilineage differentiation and self-renewal. Existing studies have successfully explored ADSCs to facilitate scar-free healing of small wounds, but whether the healing of large-area wounds that exhibit over 50% of skin tissue loss in the entire body could be achieved remains controversial. This study sought to review the mechanism of physiological wound healing, and discuss the roles played by chemokines, biological factors and biomaterial scaffolds. The possibility of applying ADSC-conditioned medium or ADSC-released exosomes as 'off-the-shelf' tissue engineering products, integrated with biomaterial scaffolds to facilitate wound healing, was analyzed.
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Affiliation(s)
- Nan Li
- Institute of Plastic Surgery, Weifang Medical University, No. 4948, Shenglidong Street, Kuiwen District of Weifang City, Shandong Province, PR China
| | - Baoshuai Bai
- Institute of Plastic Surgery, Weifang Medical University, No. 4948, Shenglidong Street, Kuiwen District of Weifang City, Shandong Province, PR China
| | - Hairong Zhang
- Institute of Plastic Surgery, Weifang Medical University, No. 4948, Shenglidong Street, Kuiwen District of Weifang City, Shandong Province, PR China
| | - Wei Zhang
- Institute of Plastic Surgery, Weifang Medical University, No. 4948, Shenglidong Street, Kuiwen District of Weifang City, Shandong Province, PR China
| | - Shengjian Tang
- Institute of Plastic Surgery, Weifang Medical University, No. 4948, Shenglidong Street, Kuiwen District of Weifang City, Shandong Province, PR China
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75
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Yang L, Han Z, Chen C, Li Z, Yu S, Qu Y, Zeng R. Novel probiotic-bound oxidized Bletilla striata polysaccharide-chitosan composite hydrogel. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 117:111265. [DOI: 10.1016/j.msec.2020.111265] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 06/09/2020] [Accepted: 07/03/2020] [Indexed: 02/08/2023]
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76
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Shafiee A, Cavalcanti AS, Saidy NT, Schneidereit D, Friedrich O, Ravichandran A, De-Juan-Pardo EM, Hutmacher DW. Convergence of 3D printed biomimetic wound dressings and adult stem cell therapy. Biomaterials 2020; 268:120558. [PMID: 33307369 DOI: 10.1016/j.biomaterials.2020.120558] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 11/16/2020] [Accepted: 11/18/2020] [Indexed: 02/06/2023]
Abstract
Biomimetically designed medical-grade polycaprolactone (mPCL) dressings are 3D-printed with pore architecture and anisotropic mechanical characteristics that favor skin wound healing with reduced scarring. Melt electrowritten mPCL dressings are seeded with human gingival tissue multipotent mesenchymal stem/stromal cells and cryopreserved using a clinically approved method. The regenerative potential of fresh or frozen cell-seeded mPCL dressing is compared in a splinted full-thickness excisional wound in a rat model over six weeks. The application of 3D-printed mPCL dressings decreased wound contracture and significantly improved skin regeneration through granulation and re-epithelialization compared to control groups. Combining 3D-printed biomimetic wound dressings and precursor cell delivery enhances physiological wound closure with reduced scar tissue formation.
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Affiliation(s)
- Abbas Shafiee
- Centre in Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Kelvin Grove, Brisbane, QLD, 4059, Australia; UQ Diamantina Institute, Translational Research Institute, The University of Queensland, Brisbane, QLD, 4102, Australia; Herston Biofabrication Institute, Metro North Hospital and Health Service, Brisbane, QLD, 4029, Australia.
| | - Amanda S Cavalcanti
- Centre in Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Kelvin Grove, Brisbane, QLD, 4059, Australia
| | - Navid T Saidy
- Centre in Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Kelvin Grove, Brisbane, QLD, 4059, Australia; The University of Queensland, School of Dentistry, Herston, Queensland, Australia
| | - Dominik Schneidereit
- Institute of Medical Biotechnology, Friedrich-Alexander-University Erlangen-Nuremberg, Paul-Gordan-Str.3, 91052, Erlangen, Germany
| | - Oliver Friedrich
- Institute of Medical Biotechnology, Friedrich-Alexander-University Erlangen-Nuremberg, Paul-Gordan-Str.3, 91052, Erlangen, Germany
| | - Akhilandeshwari Ravichandran
- Centre in Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Kelvin Grove, Brisbane, QLD, 4059, Australia
| | - Elena M De-Juan-Pardo
- Centre in Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Kelvin Grove, Brisbane, QLD, 4059, Australia
| | - Dietmar W Hutmacher
- Centre in Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Kelvin Grove, Brisbane, QLD, 4059, Australia; Australian Research Council (ARC) Training Centre in Additive Biomanufacturing, Queensland University of Technology (QUT), Kelvin Grove, QLD, 4059, Australia.
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77
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Wang S, Zheng H, Zhou L, Cheng F, Liu Z, Zhang H, Zhang Q. Injectable redox and light responsive MnO2 hybrid hydrogel for simultaneous melanoma therapy and multidrug-resistant bacteria-infected wound healing. Biomaterials 2020; 260:120314. [DOI: 10.1016/j.biomaterials.2020.120314] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 08/09/2020] [Accepted: 08/10/2020] [Indexed: 12/15/2022]
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Kumar AS, Kamalasanan K. Drug delivery to optimize angiogenesis imbalance in keloid: A review. J Control Release 2020; 329:1066-1076. [PMID: 33091533 DOI: 10.1016/j.jconrel.2020.10.035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 10/16/2020] [Accepted: 10/17/2020] [Indexed: 12/12/2022]
Abstract
The wound healing process involves three continuous stages. Where, any imbalance can lead to the formation of unwanted keloids, hypertrophic scar, or tumors. Keloids are any unpleasant, non-compliant comorbidity affecting a major section of people around the globe who acquire it either genetically or by pathological means as a result of a skin injury. Angiogenesis is unavoidable in the healing process after an injury or disruption of skin to promote tissue regeneration. Uncontrolled angiogenesis during the healing process can initiate the unwanted response in the wound that facilitate keloid. Angiogenic therapy is adapted to accelerate healing after an injury. Else ways, there exists a risk of keloid formation due to excessive angiogenesis during the wound healing process. There are numerous strategies to treat keloid. Anti-angiogenic factors are provided to patients post-surgery to prevent the keloid formation; however, they come into the picture after the formation of keloid. The available strategies to treat keloids are steroidal injections, surgical excision of the keloid, radiotherapy, pressure therapy, the use of cryosurgery, and many more. The available treatments are not promising in reducing the recurrent rate of keloids as there are chances of high re-occurrences with similar/larger lesions on the removed keloid site. In this review, we are discussing the importance of controlled angiogenesis with the help of controlled drug delivery strategies enabling the wound healing process without the induction of keloid.
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Affiliation(s)
- Aishwari S Kumar
- Department of Pharmaceutics, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, AIMS Ponekkara PO, Kochi, Kerala, 682041, India
| | - Kaladhar Kamalasanan
- Department of Pharmaceutics, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, AIMS Ponekkara PO, Kochi, Kerala, 682041, India.
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79
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Bioactive antiinflammatory antibacterial hemostatic citrate-based dressing with macrophage polarization regulation for accelerating wound healing and hair follicle neogenesis. Bioact Mater 2020; 6:721-728. [PMID: 33005834 PMCID: PMC7516176 DOI: 10.1016/j.bioactmat.2020.09.008] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/26/2020] [Accepted: 09/11/2020] [Indexed: 01/26/2023] Open
Abstract
The efficient cutaneous wound healing accompanied with the enhanced skin appendage regeneration is still a challenge. The bacterial infection and excessive/prolonged inflammation inhibit wound healing process and result in the scar formation. Herein, we reported an anti-inflammatory polycitrate-polyethyleneimine-Ibuprofen (PCEI) and multifunctional PCEI-based F127-ε-polypeptide-alginic (FEA) dressing (FEA-PCEI) for accelerating wound healing and hair follicle neogenesis. PCEI showed the excellent anti-inflammation function through stimulating macrophage towards anti-inflammatory M2 subtype polarization. The FEA-PCEI dressing showed the temperature-response gelation, injectability, robust antibacterial activity, light-damage-resistant, homeostasis ability, and good cytocompatibility. The optimized dosage of FEA-PCEI dressing could significantly accelerate wound healing with anti-infection ability, reduce the scar formation, and promote the hair follicle neogenesis. This study provided a wound-repairing strategy through regulating the phenotype of immune cells by the designing bioactive multifunctional biomaterials. Anti-inflammation PCEI and multifunctional PCEI-based hydrogel was fabricated. PCEI and hydrogel dressing inhibited inflammation with increased M2 macrophages. PCEI-based hydrogel dressing showed antibacterial/anti-UV/hemostasis activity. PCEI-based hydrogel dressing promoted wound healing and hair follicle neogenesis.
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80
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Vazquez-Portalatin N, Alfonso-Garcia A, Liu JC, Marcu L, Panitch A. Physical, Biomechanical, and Optical Characterization of Collagen and Elastin Blend Hydrogels. Ann Biomed Eng 2020; 48:2924-2935. [PMID: 32929559 DOI: 10.1007/s10439-020-02605-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 09/02/2020] [Indexed: 12/13/2022]
Abstract
Collagen and elastin proteins are major components of the extracellular matrix of many organs. The presence of collagen and elastin networks, and their associated properties, in different tissues have led scientists to study collagen and elastin composites for use in tissue engineering. In this study, we characterized physical, biochemical, and optical properties of gels composed of collagen and elastin blends. We demonstrated that the addition of varying amounts of elastin to the constructs alters collagen fibrillogenesis, D-banding pattern length, and storage modulus. However, the addition of elastin does not affect collagen fibril diameter. We also evaluated the autofluorescence properties of the different collagen and elastin blends with fluorescence lifetime imaging (FLIm). Autofluorescence emission showed a red shift with the addition of elastin to the hydrogels. The fluorescence lifetime values of the gels increased with the addition of elastin and were strongly correlated with the storage moduli measurements. These results suggest that FLIm can be used to monitor the gels' mechanical properties nondestructively. These collagen and elastin constructs, along with the FLIm capabilities, can be used to develop and study collagen and elastin composites for tissue engineering and regenerative medicine.
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Affiliation(s)
- Nelda Vazquez-Portalatin
- Biomedical Engineering Department, University of California, Davis, 451 Health Sciences Dr, Davis, CA, 95616, USA.,Weldon School of Biomedical Engineering, Purdue University, 206 S Martin Jischke Dr, West Lafayette, IN, 47907, USA
| | - Alba Alfonso-Garcia
- Biomedical Engineering Department, University of California, Davis, 451 Health Sciences Dr, Davis, CA, 95616, USA
| | - Julie C Liu
- Weldon School of Biomedical Engineering, Purdue University, 206 S Martin Jischke Dr, West Lafayette, IN, 47907, USA.,Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Dr, West Lafayette, IN, 47907, USA
| | - Laura Marcu
- Biomedical Engineering Department, University of California, Davis, 451 Health Sciences Dr, Davis, CA, 95616, USA
| | - Alyssa Panitch
- Biomedical Engineering Department, University of California, Davis, 451 Health Sciences Dr, Davis, CA, 95616, USA. .,Department of Surgery, University of California, Davis, 2335 Stockton Boulevard, Sacramento, CA, 95817, USA.
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81
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Scull G, Brown AC. Development of novel microenvironments for promoting enhanced wound healing. CURRENT TISSUE MICROENVIRONMENT REPORTS 2020; 1:73-87. [PMID: 33748773 PMCID: PMC7968354 DOI: 10.1007/s43152-020-00009-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
PURPOSE OF REVIEW Nonhealing wounds are a significant issue facing the healthcare industry. Materials that modulate the wound microenvironment have the potential to improve healing outcomes. RECENT FINDINGS A variety of acellular and cellular scaffolds have been developed for regulating the wound microenvironment, including materials for controlled release of antimicrobials and growth factors, materials with inherent immunomodulative properties, and novel colloidal-based scaffolds. Scaffold construction methods include electrospinning, 3D printing, decellularization of extracellular matrix, or a combination of techniques. Material application methods include layering or injecting at the wound site. SUMMARY Though these techniques show promise for repairing wounds, all material strategies thus far struggle to induce regeneration of features such as sweat glands and hair follicles. Nonetheless, innovative technologies currently in the research phase may facilitate future attainment of these features. Novel methods and materials are constantly arising for the development of microenvironments for enhanced wound healing.
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Affiliation(s)
- Grant Scull
- Joint Department of Biomedical Engineering, North Carolina State University and The University of North Carolina at Chapel Hill, Raleigh, NC 27695
- Comparative Medicine Institute, North Carolina State University, Raleigh, NC 27695
| | - Ashley C. Brown
- Joint Department of Biomedical Engineering, North Carolina State University and The University of North Carolina at Chapel Hill, Raleigh, NC 27695
- Comparative Medicine Institute, North Carolina State University, Raleigh, NC 27695
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82
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Nurkesh A, Jaguparov A, Jimi S, Saparov A. Recent Advances in the Controlled Release of Growth Factors and Cytokines for Improving Cutaneous Wound Healing. Front Cell Dev Biol 2020; 8:638. [PMID: 32760728 PMCID: PMC7371992 DOI: 10.3389/fcell.2020.00638] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 06/25/2020] [Indexed: 12/15/2022] Open
Abstract
Bioengineered materials are widely utilized due to their biocompatibility and degradability, as well as their moisturizing and antibacterial properties. One field of their application in medicine is to treat wounds by promoting tissue regeneration and improving wound healing. In addition to creating a physical and chemical barrier against primary infection, the mechanical stability of the porous structure of biomaterials provides an extracellular matrix (ECM)-like niche for cells. Growth factors (GFs) and cytokines, which are secreted by the cells, are essential parts of the complex process of tissue regeneration and wound healing. There are several clinically approved GFs for topical administration and direct injections. However, the limited time of bioactivity at the wound site often requires repeated drug administration that increases cost and may cause adverse side effects. The tissue regeneration promoting factors incorporated into the materials have significantly enhanced wound healing in comparison to bolus drug treatment. Biomaterials protect the cargos from protease degradation and provide sustainable drug delivery for an extended period of time. This prolonged drug bioactivity lowered the dosage, eliminated the need for repeated administration, and decreased the potential of undesirable side effects. In the following mini-review, recent advances in the field of single and combinatorial delivery of GFs and cytokines for treating cutaneous wound healing will be discussed.
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Affiliation(s)
- Ayan Nurkesh
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Alexandr Jaguparov
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Shiro Jimi
- Central Laboratory for Pathology and Morphology, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Arman Saparov
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan, Kazakhstan
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83
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Wang S, Zheng H, Zhou L, Cheng F, Liu Z, Zhang H, Wang L, Zhang Q. Nanoenzyme-Reinforced Injectable Hydrogel for Healing Diabetic Wounds Infected with Multidrug Resistant Bacteria. NANO LETTERS 2020; 20:5149-5158. [PMID: 32574064 DOI: 10.1021/acs.nanolett.0c01371] [Citation(s) in RCA: 249] [Impact Index Per Article: 62.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Diabetic wound healing remains a critical challenge due to its vulnerability to multidrug-resistant (MDR) bacterial infection, as well as the hyperglycemic and oxidative wound microenvironment. Herein, an injectable multifunctional hydrogel (FEMI) was developed to simultaneously overcome these hurdles. The FEMI hydrogel was fabricated through a Schiff-based reaction between ε-polylysine (EPL)-coated MnO2 nanosheets (EM) and insulin-loaded self-assembled aldehyde Pluronic F127 (FCHO) micelles. Through a synergistic combination of EPL and "nanoknife-like" MnO2 nanosheets, the FEMI hydrogel exhibited extraordinary antimicrobial capacities against MDR bacteria. The MnO2 nanoenzyme reshaped the hostile oxidative wound microenvironment by decomposing the endogenous H2O2 into O2. Meanwhile, the pH/redox dual-responsive FEMI hydrogel achieved a sustained and spatiotemporal controlled release of insulin to regulate the blood glucose. Our FEMI hydrogel demonstrated an accelerated MDR bacteria-infected diabetic wound healing in vivo and represents a versatile strategy for healing a broad range of tissue damages caused by diabetes.
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Affiliation(s)
- Shenqiang Wang
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Hua Zheng
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Li Zhou
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Fang Cheng
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Zhao Liu
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Hepeng Zhang
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Lili Wang
- Hospital of Northwestern Polytechnical University, Northwestern Polytechnical University, Xi'an 710129, China
| | - Qiuyu Zhang
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
- Xi'an Key Laboratory of Functional Organic Porous Materials, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
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84
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Kozusko SD, Hassouba M, Hill DM, Liu X, Dadireddy K, Velamuri SR. Esterified Hyaluronic Acid Matrix in Lower Extremity Reconstruction With Exposed Tendon and Bone: A Retrospective Review. J Burn Care Res 2020; 41:828-834. [PMID: 32303758 PMCID: PMC7333675 DOI: 10.1093/jbcr/iraa044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Lower extremity wounds with exposed bone and tendon often need coverage to allow the underlying tissue to regenerate prior to skin graft. The surgeon is limited in his or her choices to augment tissue regeneration in these types of complicated cases; for instance, autologous skin should not be placed on exposed bone or tendon and is at risk for contracture when placed over the joints. Therefore, novel technologies are necessary to provide a scaffolding for tissue to regenerate and allow for a successful graft. One such technology is an esterified hyaluronic acid matrix (eHAM), which can provide a proper scaffold for endothelial cell migration and aid in angiogenesis. The eHAM is made of two layers: a layer of hyaluronic acid covered with a silicone layer. In this retrospective chart review, we describe our usage of eHAM to provide scaffolding for tissue regeneration prior to grafting in 15 cases of complicated lower extremity wounds with exposed bone and tendon. The average patient age was 45.8 years, and all patients had multiple medical comorbidities, such as poorly controlled diabetes mellitus, hypertension, and nicotine addiction. Patient wound types were diverse, including traumatic wounds, chronic diabetic foot ulcers, and thermal or electric burns. Thirteen of the 15 cases were treated successfully with eHAM. In these cases, definitive coverage with split-thickness skin grafting was effective and limb salvage was successful. In the 13 successful cases, the mean time to split-thickness skin graft was 22.9 ± 7.0 days. All patients continue to do well at follow-up (ranging from 6 to 48 weeks), with minimal complications reported. Given the success rate with eHAM in this challenging population, we conclude that eHAM can be a treatment option for similar cases.
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Affiliation(s)
- Steven D Kozusko
- Division of Plastic Surgery, Cooper University Hospital, Camden, New Jersey
| | - Mahmoud Hassouba
- Department of Plastic Surgery, University of Tennessee Health Science Center, Memphis
| | - David M Hill
- University of Tennessee Health Science Center, Memphis; Firefighters' Regional Burn Center, Memphis, Tennessee
| | - Xiangxia Liu
- Department of Plastic Surgery, University of Tennessee Health Science Center, Memphis
| | - Kalyan Dadireddy
- Department of Plastic Surgery, University of Tennessee Health Science Center, Memphis
| | - Sai R Velamuri
- University of Tennessee Health Science Center, Memphis; Firefighters' Regional Burn Center, Memphis, Tennessee
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85
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Papain immobilized on alginate membrane for wound dressing application. Colloids Surf B Biointerfaces 2020; 194:111222. [PMID: 32610228 DOI: 10.1016/j.colsurfb.2020.111222] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 06/24/2020] [Accepted: 06/24/2020] [Indexed: 01/04/2023]
Abstract
Wound dressings based on natural polymers are of considerable interest in the pharmaceutical industry owing to their improved performance in the human body when compared to synthetic polymers. Alginate, a polysaccharide from brown algae, is commonly studied as a wound dressing owing to its biocompatibility and biodegradability. To improve its therapeutic features and thereby increase wound healing, papain (a proteolytic enzyme from Carica papaya latex) was proposed to be incorporated. Papain is capable of promoting the debridement of devitalized or necrotic tissues. The development of dressing based on alginate and papain aggregates the healing properties of both materials. In addition, the adsorption on a support can stabilize the enzyme structure and permits its release in a controlled manner. The optimal conditions for immobilization were evaluated (initial concentration, temperature, and pH), and the amount immobilized was measured by Bradford assay. The enzyme activity stability over 28 days was measured. The release profile was determined using Franz cell. In vitro cytotoxicity assays were performed using fibroblasts and keratinocytes. Optimal immobilization conditions were identified in a neutral medium at a papain concentration of 20 mg/mL and temperature of 25 °C. The enzyme remained active after immobilization (80 % of its initial activity), and the matrix protected the enzyme from deactivation (70 % reduction on the matrix compared to 94 % in a buffer solution). Franz cell displayed a release profile of 64.1 % of the enzyme after 24 h. The biological assays indicated a bioactive material with proteolytic properties.
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86
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Enumo A, Argenta DF, Bazzo GC, Caon T, Stulzer HK, Parize AL. Development of curcumin-loaded chitosan/pluronic membranes for wound healing applications. Int J Biol Macromol 2020; 163:167-179. [PMID: 32615217 DOI: 10.1016/j.ijbiomac.2020.06.253] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/16/2020] [Accepted: 06/26/2020] [Indexed: 12/15/2022]
Abstract
The emergence of new materials with improved antibacterial, anti-inflammatory and healing properties compared to conventional wound dressings has both social and economic appeal. In this study, novel chitosan-based (CTS) membranes containing curcumin (CUR) incorporated in Pluronic (PLU) copolymers were developed and characterized to obtain suitable properties for applications as a wound healing dressing. The mechanical, thermal, swelling, wettability, release and permeation properties were evaluated by DSC, TGA, water contact angle measurements, FTIR, fluorescence and microscopic techniques. Membranes containing PLU and CUR presented wettability close to the ideal range for interaction with cellular components (contact angle ~40-70°), improved mechanical properties, higher thermal stability, high swelling degree (>800%) and CUR release (~60%) compared to samples without PLU addition. A higher retention of CUR in the epidermis than in the dermis layer was observed, which also was confirmed by confocal microscopy. Furthermore, the CTS-PLU membranes loaded with CUR showed to be active against Staphylococcus aureus and Pseudomonas aeruginosa (MIC = 25 and 100 mg mL-1, respectively), the microbial species most present in chronic wounds. Overall, the CTS-PLU-CUR membranes presented suitable properties to act as a new wound healing dressing formulation and in vivo studies should be performed to confirm these benefits.
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Affiliation(s)
- Adalberto Enumo
- Polimat, Grupo de Estudos em Materiais Poliméricos, Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Débora Fretes Argenta
- Laboratório de Farmacotécnica e Cosmetologia, Departamento de Ciências Farmacêuticas, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Giovana Carolina Bazzo
- Laboratório de Controle de Qualidade de Fármacos e Medicamentos, Departamento de Ciências Farmacêuticas, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Thiago Caon
- Laboratório de Farmacotécnica e Cosmetologia, Departamento de Ciências Farmacêuticas, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Hellen Karine Stulzer
- Laboratório de Controle de Qualidade de Fármacos e Medicamentos, Departamento de Ciências Farmacêuticas, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Alexandre Luis Parize
- Polimat, Grupo de Estudos em Materiais Poliméricos, Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil.
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87
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Stoica AE, Chircov C, Grumezescu AM. Nanomaterials for Wound Dressings: An Up-to-Date Overview. Molecules 2020; 25:E2699. [PMID: 32532089 PMCID: PMC7321109 DOI: 10.3390/molecules25112699] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/07/2020] [Accepted: 06/09/2020] [Indexed: 12/12/2022] Open
Abstract
As wound healing continues to be a challenge for the medical field, wound management has become an essential factor for healthcare systems. Nanotechnology is a domain that could provide different new approaches concerning regenerative medicine. It is worth mentioning the importance of nanoparticles, which, when embedded in biomaterials, can induce specific properties that make them of interest in applications as materials for wound dressings. In the last years, nano research has taken steps to develop molecular engineering strategies for different self-assembling biocompatible nanoparticles. It is well-known that nanomaterials can improve burn treatment and also the delayed wound healing process. In this review, the first-line of bioactive nanomaterials-based dressing categories frequently applied in clinical practice, including semi-permeable films, semipermeable foam dressings, hydrogel dressings, hydrocolloid dressings, alginate dressings, non-adherent contact layer dressings, and multilayer dressings will be discussed. Additionally, this review will highlight the lack of high-quality evidence and the necessity for future advanced trials because current wound healing therapies generally fail to provide an excellent clinical outcome, either structurally or functionally. The use of nanomaterials in wound management represents a unique tool that can be specifically designed to closely reflect the underlying physiological processes in tissue repair.
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Affiliation(s)
| | | | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.E.S.); (C.C.)
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88
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Gámez-Herrera E, García-Salinas S, Salido S, Sancho-Albero M, Andreu V, Pérez M, Luján L, Irusta S, Arruebo M, Mendoza G. Drug-eluting wound dressings having sustained release of antimicrobial compounds. Eur J Pharm Biopharm 2020; 152:327-339. [PMID: 32473289 DOI: 10.1016/j.ejpb.2020.05.025] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 05/12/2020] [Accepted: 05/25/2020] [Indexed: 01/07/2023]
Abstract
Wound healing is a complex and costly public health problem that should be timely addressed to achieve a rapid and adequate tissue repair avoiding or even eliminating potential pathogenic infection. Chronic infected non-healing wounds represent a serious concern for health care systems. Efficient wound dressings with tailored therapy having the best response and highest safety margin for the management of chronic non-healing wounds are still needed. The use of novel wound dressing materials has emerged as a promising tool to fulfil these requirements. In this work, asymmetric electrospun polycaprolactone (PCL)-based nanofibers (NFs) were decorated with electrosprayed poly(lactic-co-glycolic acid) microparticles (PLGA MPs) containing the natural antibacterial compound thymol (THY) in order to obtain drug eluting antimicrobial dressings having sustained release. The synthesized dressings successfully inhibited the in vitro growth of Staphylococcus aureus ATCC 25923, showing also at the same doses cytocompatibility on human dermal fibroblasts and keratinocyte cultures after treatment for 24 h, which was not observed when using free thymol. An in vivo murine excisional wound splinting model, followed by the experimental infection of the wounds with S. aureus and their treatment with the synthesized dressings, pointed to the reduction of the bacterial load in wounds after 7 days, though the total elimination of the infection was not reached. The findings indicated the relevance of the direct contact between the dressings and the bacteria, highlighting the need to tune their design considering the wound surface and the nature of the antimicrobial cargo contained.
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Affiliation(s)
- Enrique Gámez-Herrera
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Campus Río Ebro-Edificio I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
| | - Sara García-Salinas
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Campus Río Ebro-Edificio I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, 28029 Madrid, Spain
| | - Sofía Salido
- Department of Inorganic and Organic Chemistry, Faculty of Experimental Sciences, University of Jaén, Agrifood Campus of International Excellence (ceiA3), 23071 Jaén, Spain
| | - María Sancho-Albero
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Campus Río Ebro-Edificio I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, 28029 Madrid, Spain; Aragon Health Research Institute (IIS Aragon), 50009 Zaragoza, Spain
| | - Vanesa Andreu
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Campus Río Ebro-Edificio I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain; Aragon Health Research Institute (IIS Aragon), 50009 Zaragoza, Spain
| | - Marta Pérez
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza & AgriFood Institute of Aragon (IA2), C/ Miguel Servet, 177, 50013 Zaragoza, Spain
| | - Lluís Luján
- Department of Animal Pathology, Veterinary Faculty, University of Zaragoza & AgriFood Institute of Aragon (IA2), C/ Miguel Servet, 177, 50013 Zaragoza, Spain
| | - Silvia Irusta
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Campus Río Ebro-Edificio I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, 28029 Madrid, Spain; Aragon Health Research Institute (IIS Aragon), 50009 Zaragoza, Spain.
| | - Manuel Arruebo
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Campus Río Ebro-Edificio I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, 28029 Madrid, Spain; Aragon Health Research Institute (IIS Aragon), 50009 Zaragoza, Spain.
| | - Gracia Mendoza
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Campus Río Ebro-Edificio I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, 28029 Madrid, Spain; Aragon Health Research Institute (IIS Aragon), 50009 Zaragoza, Spain
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89
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Chen A, Huang W, Wu L, An Y, Xuan T, He H, Ye M, Qi L, Wu J. Bioactive ECM Mimic Hyaluronic Acid Dressing via Sustained Releasing of bFGF for Enhancing Skin Wound Healing. ACS APPLIED BIO MATERIALS 2020; 3:3039-3048. [PMID: 35025350 DOI: 10.1021/acsabm.0c00096] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Successful dermal wound regeneration requires the coordination of repair cells and cellular signals with the extracellular matrix (ECM), which serves as an indispensable mechanical and biological supporter for cell functions and communications with varied cytokines during healing processes. Here, we developed an injectable bioactive wound dressing, methacrylated hyaluronic acid (Me-HA)-based hydrogel loading with basic fibroblast growth factor (bFGF), endowing the dressing with the pleiotropic bioactivity to mimic natural ECM. This bFGF@Me-HA dressing was applied to a mouse with full-thickness excisional wounds to investigate its positive roles in wound repair owing to the complementary functions of HA with sustained release of bioactive bFGF. Compared with the single Me-HA and bFGF group, bFGF@Me-HA hydrogel dressings significantly enhanced wound healing with accelerated re-epithelialization, granulation formation, collagen, deposition and skin appendage regeneration. Further investigations showed significantly promoted cell proliferation and vascularization in the bFGF@Me-HA group, which was mediated by the upregulation of transforming growth factor-β (TGF-β) and vascular endothelial growth factor (VEGF) expressions. In conclusion, this bFGF@Me-HA hydrogel realized the optimization of simple ECM mimic dressing via introducing the bioactive effector, bFGF, and has the potential to be widely used as an effective bioactive ECM-based wound dressing in future wound care.
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Affiliation(s)
- Anqi Chen
- School of Pharmaceutical Sciences, Key Laboratory of Biotechnology and Pharmaceutical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325035, P. R. China
| | - Wen Huang
- School of Pharmaceutical Sciences, Key Laboratory of Biotechnology and Pharmaceutical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325035, P. R. China
| | - Liang Wu
- School of Pharmaceutical Sciences, Key Laboratory of Biotechnology and Pharmaceutical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325035, P. R. China.,Anqing Municipal Hospital, Anqing, Anhui 246003, P. R. China
| | - Ying An
- School of Pharmaceutical Sciences, Key Laboratory of Biotechnology and Pharmaceutical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325035, P. R. China
| | - Tengxiao Xuan
- School of Pharmaceutical Sciences, Key Laboratory of Biotechnology and Pharmaceutical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325035, P. R. China
| | - Huacheng He
- College of Chemistry and Materials Engineering. Wenzhou University, Wenzhou, Zhejiang 325027, P. R. China
| | - Mengqi Ye
- College of Chemistry and Materials Engineering. Wenzhou University, Wenzhou, Zhejiang 325027, P. R. China
| | - Lamei Qi
- Anqing Municipal Hospital, Anqing, Anhui 246003, P. R. China
| | - Jiang Wu
- School of Pharmaceutical Sciences, Key Laboratory of Biotechnology and Pharmaceutical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325035, P. R. China
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90
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Sun L, Song L, Zhang X, Zhou R, Yin J, Luan S. Poly(γ-glutamic acid)-based electrospun nanofibrous mats with photodynamic therapy for effectively combating wound infection. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 113:110936. [PMID: 32487377 DOI: 10.1016/j.msec.2020.110936] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 03/14/2020] [Accepted: 04/05/2020] [Indexed: 01/31/2023]
Abstract
Pathogenic bacterial infections associated with wound healing progress usually result in serious complications. Herein, biocompatible and antimicrobial electrospun nanofibrous mats with photodynamic therapy (PDT) effect were fabricated to accelerate the infected wound healing. The nanofibrous mats were fabricated by co-electrospining of polyanionic poly(γ-glutamic acid) (γ-PGA) and cationic photosensitizer 5,10,15,20-tetrakis(1-methylpyridinium-4-yl)porphyrin tetra (p-toluenesulfonate) (TMPyP) in aqueous solution and stabilized by the chemical crosslinking. The as-prepared nanofibrous mats can not only confer the moist microenvironment to the wound bed, but also provide potent bactericidal activity upon visible light irradiation by releasing the cytotoxic reactive oxygen species (ROS). The antibacterial assay in vitro showed that they can effectively eradicate the board-spectrum bacteria at a relatively low loading dose of TMPyP (e.g., 0.1 wt%). Meanwhile, those nanofibrous mats showed good biocompatibility with no obvious adverse effects on mammalian cells and red blood cells (RBCs). The animal test in vivo suggested that the restrained inflammatory reaction and better wound healing could be achieved upon timely and effective antibacterial treatment with negligible local toxicities. This biocompatible and antibacterial γ-PGA-TMPyP nanofibrous mat may show great potential in practical infection-resistant applications, particularly for wound dressing applications.
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Affiliation(s)
- Liwei Sun
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China; University of Science and Technology of China, Hefei 230026, PR China
| | - Lingjie Song
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China.
| | - Xu Zhang
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China
| | - Rongtao Zhou
- National Engineering Laboratory for Medical Implantable Devices, WEGO Co. Ltd, Weihai 264210, PR China
| | - Jinghua Yin
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China; National Engineering Laboratory for Medical Implantable Devices, WEGO Co. Ltd, Weihai 264210, PR China
| | - Shifang Luan
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China; University of Science and Technology of China, Hefei 230026, PR China; National Engineering Laboratory for Medical Implantable Devices, WEGO Co. Ltd, Weihai 264210, PR China.
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91
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Jimi S, Jaguparov A, Nurkesh A, Sultankulov B, Saparov A. Sequential Delivery of Cryogel Released Growth Factors and Cytokines Accelerates Wound Healing and Improves Tissue Regeneration. Front Bioeng Biotechnol 2020; 8:345. [PMID: 32426341 PMCID: PMC7212449 DOI: 10.3389/fbioe.2020.00345] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 03/27/2020] [Indexed: 12/14/2022] Open
Abstract
Growth factors and cytokines that are secreted by cells play a crucial role in the complex physiological reaction to tissue injury. The ability to spatially and temporally control their actions to maximize regenerative benefits and minimize side effects will help accelerate wound healing and improve tissue regeneration. In this study, the sequential targeted delivery of growth factor/cytokine combinations with regulatory functions on inflammation and tissue regeneration was examined using an internal splint wound healing model. Four examined growth factors and cytokines were effectively incorporated into a novel chitosan-based cryogel, which offered a controlled and sustained release of all factors while maintaining their biological activities. The cryogels incorporated with inflammation modulatory factors (IL-10 and TGF-β) and with wound healing factors (VEGF and FGF) were placed on the wound surface on day 0 and day 3, respectively, after wound initiation. Although wound area gradually decreased in all groups over time, the area in the cryogel group with growth factor/cytokine combinations was significantly reduced starting on day 7 and reached about 10% on day 10, as compared to 60-65% in the control groups. Sequential delivery of inflammation modulatory and wound healing factors enhanced granulation tissue formation, as well as functional neovascularization, leading to regenerative epithelialization. Collectively, the chitosan-based cryogel can serve as a controlled release system for sequential delivery of several growth factors and cytokines to accelerate tissue repair and regeneration.
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Affiliation(s)
- Shiro Jimi
- Central Laboratory for Pathology and Morphology, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Alexandr Jaguparov
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Ayan Nurkesh
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Bolat Sultankulov
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Arman Saparov
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan, Kazakhstan
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92
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Design of Advanced Polymeric Hydrogels for Tissue Regenerative Medicine: Oxygen-Controllable Hydrogel Materials. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1250:63-78. [DOI: 10.1007/978-981-15-3262-7_5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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93
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Qiao B, Pang Q, Yuan P, Luo Y, Ma L. Smart wound dressing for infection monitoring and NIR-triggered antibacterial treatment. Biomater Sci 2020; 8:1649-1657. [DOI: 10.1039/c9bm02060h] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Hydrogel-based wound dressings can monitor infection via pH-responsive FRET changes and provide on-demand antibacterial treatment via NIR-triggered antibiotic release.
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Affiliation(s)
- Bianbian Qiao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Qian Pang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Peiqi Yuan
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Yilun Luo
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
| | - Lie Ma
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou
- China
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94
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Zhang ZY, Sun Y, Zheng YD, He W, Yang YY, Xie YJ, Feng ZX, Qiao K. A biocompatible bacterial cellulose/tannic acid composite with antibacterial and anti-biofilm activities for biomedical applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 106:110249. [PMID: 31753409 DOI: 10.1016/j.msec.2019.110249] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 09/02/2019] [Accepted: 09/23/2019] [Indexed: 12/24/2022]
Abstract
Biofilm-associated infections are in a high rate of recurrence and biofilms show formidable resistance to current antibiotics, making them a growing challenge in biomedical field. In this study, a biocompatible composite was developed by incorporating tannic acid (TA) and MgCl2 to bacterial cellulose (BC) for antimicrobial and anti-biofilm purposes. The morphology was investigated by scanning electron microscopy (SEM), and chemical structure were characterized by Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectra (XPS). In vitro release profiles of tannic acid revealed that the Mg2+ cross-links help impede the release of TA from BC matrix, while composite BC-TA lacked Mg2+ ionic cross-links, thus more TA was released from the hydrogel. The BC-TA-Mg composites also displayed strong antibacterial activity against S. aureus, E. coli and P. aeruginosa. Moreover, the composites significantly reduced biofilm formation of S. aureus and P. aeruginosa after 24 h incubation by ∼80% and ∼87%, respectively. As a consequence, the BC-TA-Mg composites are a very promising material for combating biofilm-associated infections in biomedical and public health fields.
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Affiliation(s)
- Zhao-Yu Zhang
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, PR China
| | - Yi Sun
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, PR China
| | - Yu-Dong Zheng
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, PR China.
| | - Wei He
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, PR China.
| | - Ying-Ying Yang
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, PR China
| | - Ya-Jie Xie
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, PR China
| | - Zhao-Xuan Feng
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, PR China
| | - Kun Qiao
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, PR China
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95
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Oroojalian F, Jahanafrooz Z, Chogan F, Rezayan AH, Malekzade E, Rezaei SJT, Nabid MR, Sahebkar A. Synthesis and evaluation of injectable thermosensitive penta-block copolymer hydrogel (PNIPAAm-PCL-PEG-PCL-PNIPAAm) and star-shaped poly(CL─CO─LA)-b-PEG for wound healing applications. J Cell Biochem 2019; 120:17194-17207. [PMID: 31104319 DOI: 10.1002/jcb.28980] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 03/21/2019] [Accepted: 04/01/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND Loss of skin integrity due to injury, burning, or illness makes the development of new treatment options necessary. Skin tissue engineering provides some solutions for these problems. OBJECTIVE The potential of a biodegradable star-shaped copolymer [Poly(CL─CO─LA)-b-PEG] and penta-block copolymer hydrogel (PNIPAAm-PCL-PEG-PCL-PNIPAAm) was assessed for skin tissue engineering applications. METHODS Two copolymers were synthesized for cellular culture scaffolds and their mechanical properties were compared. The resulting star-shaped copolymer and thermosensitive penta-block copolymer were characterized using Fourier transform infrared and nuclear magnetic resonance spectroscopy. The crystallizability of the two copolymers was analyzed using X-ray diffraction. The resulting thermosensitive penta-block copolymer was evaluated by differential thermal analysis, differential scanning calorimetry and thermogravimetric analysis. Scanning electron microscopy and in vitro degradation of the polymer network in phosphate buffer solutions (pH 7.4) at 37°C were also examined. The pore size of the gels was calculated with Image Analyzer software. Finally, the cytotoxic, morphological, and gene expression effects of copolymers on the skin fibroblast were evaluated. RESULTS The experiments showed that the PNIPAAm-PCL-PEG-PCL-PNIPAAm polymer with the right composition and the expected molecular weight was achieved. The hydrogel had less crystallizability compared with its precursors. The resulting thermosensitive hydrogel had a three-dimensional structure with interconnected pores that mimicked the extracellular matrix. The control of the degradability rate can be possible by weight percent changes. The pore size correlated with the polymer concentration in aqueous solution and the pore sizes of the 20 wt% hydrogel were better for fibroblast cultivation than those of the 10 wt% hydrogel. Cell proliferation on the 20% gel was more than that of the 10% gel. The hydrogel not only preserved the viability and phenotypical morphology of the entrapped cells but also stimulated the initial cell-cell interactions and proliferation of fibroblasts. The hydrogel did not influence cell conformation and this property of the polymer underlined its safety. Cells seeded on this copolymer showed a normal and spear shape and formed a focal adhesion with the hydrogel surface. Notably, the hydrogel increased collagen I α1 and collagen III mRNAs expression. CONCLUSION Due to the low molecular weight and poor mechanical strength of the star-shaped copolymer, it was not considered for fabrication of the scaffolds for wound healing. The biodegradable, biocompatible, injectable and thermosensitive PNIPAAm-PCL-PEG-PCL-PNIPAAm hydrogel in 20 wt% demonstrated a desirable potential for future application as a cell scaffold in skin tissue engineering and wound healing.
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Affiliation(s)
- Fatemeh Oroojalian
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran.,Department of Advanced Sciences and Technologies, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Zohreh Jahanafrooz
- Department of Cellular and Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran.,Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Faraz Chogan
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Ali Hossein Rezayan
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Elham Malekzade
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | | | | | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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96
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Freedman BR, Mooney DJ. Biomaterials to Mimic and Heal Connective Tissues. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1806695. [PMID: 30908806 PMCID: PMC6504615 DOI: 10.1002/adma.201806695] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 01/27/2019] [Indexed: 05/11/2023]
Abstract
Connective tissue is one of the four major types of animal tissue and plays essential roles throughout the human body. Genetic factors, aging, and trauma all contribute to connective tissue dysfunction and motivate the need for strategies to promote healing and regeneration. The goal here is to link a fundamental understanding of connective tissues and their multiscale properties to better inform the design and translation of novel biomaterials to promote their regeneration. Major clinical problems in adipose tissue, cartilage, dermis, and tendon are discussed that inspire the need to replace native connective tissue with biomaterials. Then, multiscale structure-function relationships in native soft connective tissues that may be used to guide material design are detailed. Several biomaterials strategies to improve healing of these tissues that incorporate biologics and are biologic-free are reviewed. Finally, important guidance documents and standards (ASTM, FDA, and EMA) that are important to consider for translating new biomaterials into clinical practice are highligted.
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Affiliation(s)
- Benjamin R Freedman
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
| | - David J Mooney
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
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97
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Chen X, Li J, Li Q, Zhang W, Lei Z, Qin D, Pan Z, Li J, Li X. Spatial-Temporal Changes of Mechanical Microenvironment in Skin Wounds During Negative Pressure Wound Therapy. ACS Biomater Sci Eng 2019; 5:1762-1770. [PMID: 33405552 DOI: 10.1021/acsbiomaterials.8b01554] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Cell migration, proliferation, and differentiation are regulated by mechanical cues during skin wound healing. Negative pressure wound therapy (NPWT) reduces the healing period by optimizing the mechanical microenvironment of the wound bed. Under NPWT, it remains elusive how the mechanical microenvironment (e.g., stiffness, strain gradients) changes both in time and space during wound healing. To illustrate this, the healing time of full-thickness skin wounds under NPWT, with pressure settings ranging from -50 to -150 mm Hg, were evaluated and compared with gauze dressing treatments (control group), and three-dimensional finite element models of full-thickness skin wounds on days 1 and 5 after treatment were developed on the basis of MR 3D imaging data. Shear wave elastography (SWE) was applied to detect the stiffness of wound soft tissue on days 1 and 5, and nonlinear finite element analysis (FEA) was used to represent the spatial-temporal environment of the 3D strain field of the wound under NPWT vs the control group. Compared with the control group, NPWT with -50, -80, and -125 mm Hg promoted wound healing. SWE showed that the elastic modulus of wounded skin increased during healing. Meanwhile, the elastic modulus in wounded skin under NPWT was significantly smaller than in the control group. Strain and its gradient decreased under NPWT during wound healing, while no significant change was observed in the control group. This study, which is based on MR 3D imaging, shear wave elastography, and nonlinear FEA, provides an in-depth understanding of changes of the skin mechanical microenvironment under NPWT in the time-space dimension and the associated wound healing.
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Li X, Ma M, Ahn DU, Huang X. Preparation and characterization of novel eggshell membrane-chitosan blend films for potential wound-care dressing: From waste to medicinal products. Int J Biol Macromol 2019; 123:477-484. [DOI: 10.1016/j.ijbiomac.2018.10.215] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 10/29/2018] [Accepted: 10/30/2018] [Indexed: 02/05/2023]
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Sheikhi A, Hayashi J, Eichenbaum J, Gutin M, Kuntjoro N, Khorsandi D, Khademhosseini A. Recent advances in nanoengineering cellulose for cargo delivery. J Control Release 2019; 294:53-76. [PMID: 30500355 PMCID: PMC6385607 DOI: 10.1016/j.jconrel.2018.11.024] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 11/16/2018] [Accepted: 11/25/2018] [Indexed: 12/26/2022]
Abstract
The recent decade has witnessed a growing demand to substitute synthetic materials with naturally-derived platforms for minimizing their undesirable footprints in biomedicine, environment, and ecosystems. Among the natural materials, cellulose, the most abundant biopolymer in the world with key properties, such as biocompatibility, biorenewability, and sustainability has drawn significant attention. The hierarchical structure of cellulose fibers, one of the main constituents of plant cell walls, has been nanoengineered and broken down to nanoscale building blocks, providing an infrastructure for nanomedicine. Microorganisms, such as certain types of bacteria, are another source of nanocelluloses known as bacterial nanocellulose (BNC), which benefit from high purity and crystallinity. Chemical and mechanical treatments of cellulose fibrils made up of alternating crystalline and amorphous regions have yielded cellulose nanocrystals (CNC), hairy CNC (HCNC), and cellulose nanofibrils (CNF) with dimensions spanning from a few nanometers up to several microns. Cellulose nanocrystals and nanofibrils may readily bind drugs, proteins, and nanoparticles through physical interactions or be chemically modified to covalently accommodate cargos. Engineering surface properties, such as chemical functionality, charge, area, crystallinity, and hydrophilicity, plays a pivotal role in controlling the cargo loading/releasing capacity and rate, stability, toxicity, immunogenicity, and biodegradation of nanocellulose-based delivery platforms. This review provides insights into the recent advances in nanoengineering cellulose crystals and fibrils to develop vehicles, encompassing colloidal nanoparticles, hydrogels, aerogels, films, coatings, capsules, and membranes, for the delivery of a broad range of bioactive cargos, such as chemotherapeutic drugs, anti-inflammatory agents, antibacterial compounds, and probiotics. SYNOPSIS: Engineering certain types of microorganisms as well as the hierarchical structure of cellulose fibers, one of the main building blocks of plant cell walls, has yielded unique families of cellulose-based nanomaterials, which have leveraged the effective delivery of bioactive molecules.
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Affiliation(s)
- Amir Sheikhi
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA; Center for Minimally Invasive Therapeutics (C-MIT), California NanoSystems Institute (CNSI), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA
| | - Joel Hayashi
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA; Center for Minimally Invasive Therapeutics (C-MIT), California NanoSystems Institute (CNSI), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA
| | - James Eichenbaum
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA; Center for Minimally Invasive Therapeutics (C-MIT), California NanoSystems Institute (CNSI), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA
| | - Mark Gutin
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA; Center for Minimally Invasive Therapeutics (C-MIT), California NanoSystems Institute (CNSI), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA
| | - Nicole Kuntjoro
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA; Center for Minimally Invasive Therapeutics (C-MIT), California NanoSystems Institute (CNSI), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA
| | - Danial Khorsandi
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA; Center for Minimally Invasive Therapeutics (C-MIT), California NanoSystems Institute (CNSI), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA
| | - Ali Khademhosseini
- Department of Bioengineering, University of California - Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA; Center for Minimally Invasive Therapeutics (C-MIT), California NanoSystems Institute (CNSI), University of California - Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA; Department of Radiological Sciences, David Geffen School of Medicine, University of California - Los Angeles, 10833 Le Conte Ave, Los Angeles, CA 90095, USA; Department of Chemical and Biomolecular Engineering, University of California - Los Angeles, 5531 Boelter Hall, Los Angeles, CA 90095, USA; Department of Bioindustrial Technologies, College of Animal Bioscience and Technology, Konkuk University, Seoul 143-701, Republic of Korea.
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100
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Navarro-Requena C, Pérez-Amodio S, Castaño O, Engel E. Wound healing-promoting effects stimulated by extracellular calcium and calcium-releasing nanoparticles on dermal fibroblasts. NANOTECHNOLOGY 2018; 29:395102. [PMID: 30039802 DOI: 10.1088/1361-6528/aad01f] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Extracellular calcium has been proved to influence the healing process of injuries and could be used as a novel therapy for skin wound healing. However, a better understanding of its effect, together with a system to obtain a controlled release is needed. In this study, we examined whether the ionic dissolution of the calcium-phosphate-based ormoglass nanoparticles coded SG5 may produce a similar stimulating effect as extracellular calcium (from CaCl2) on rat dermal fibroblast in vitro. Cells were cultured in the presence of medium containing different calcium concentrations, normally ranging from 0.1 to 3.5 mM Ca2+. A concentration of 3.5 mM of CaCl2 increased metabolic activity, in vitro wound closure, matrix metalloproteinases (MMP) activity, collagen synthesis and cytokine expression, and reduced cell contraction capacity. Interestingly, the levels of migration and contraction capacity measured followed a dose-dependent behavior. In addition, media conditioned with SG5 stimulated the same activities as media conditioned with CaCl2, but undesired effects in chronic wound healing such as inflammatory factor expression and MMP activity were reduced compared to the equivalent CaCl2 concentration. In summary, calcium-releasing particles such as SG5 are potential biological-free biostimulators to be applied in dressings for chronic wound healing.
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Affiliation(s)
- Claudia Navarro-Requena
- Biomaterials for Regenerative Therapies. Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Baldiri Reixac 10-12, E-08028 Barcelona Spain. Centro de Investigación Biomédica en Red en Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN) E-28029 Madrid, Spain. Materials Science and Metallurgical Engineering, EEBE, Universitat Politècnica de Catalunya (UPC), C/ Eduard Maristany 10-14, 08019 Barcelona, Spain
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