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López Lasaosa F, Zhou Y, Song J, He Y, Cui Y, Bolea Bailo RM, Gu Z. Nature-Inspired Scarless Healing: Guiding Biomaterials Design for Advanced Therapies. TISSUE ENGINEERING. PART B, REVIEWS 2024; 30:371-384. [PMID: 38019051 DOI: 10.1089/ten.teb.2023.0224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
The use of biomaterials in the treatment of skin wounds has been steadily increasing over the last two decades. The key to the successful application of biomaterials in scar reduction is the up-to-date knowledge of the actors involved in accelerated healing and the cellular factors that can be implemented in bioinspired materials. Natural models of scarless healing such as oral mucosa, fetal skin and the skin of amphibians, fish, and reptiles are a great source of information. By investigating their microenvironments, cellular factors, and inflammatory self-regulatory systems, a general model of scarless healing can be defined. This review introduces the basic and current concepts of skin wound healing and focuses on providing a detailed overview of the main processes of accelerated healing without scarring. The article outlines the common features and key points that develop and promote scar-free healing. The tissues and healing processes of the selected natural models are described individually (tissue organization, structural components, ratios of cellular factors such as Collagen and transforming growth factor and their mechanisms of regulation of inflammation and scar overgrowth). A comparative work of each natural model concerning healing in human skin is included in the discussion. Finally, the patterns identified through the analysis of each model and their differences from normal healing are presented to facilitate the knowledge for the implementation of new treatments.
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Affiliation(s)
- Fernando López Lasaosa
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing, PR China
- Department of Animal Pathology, Veterinary Faculty, Aragón Agricultural Institute (IA2), University of Zaragoza (CITA), Zaragoza, Spain
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, NJTech-BARTY Joint Research Center for Innovative Medical Technology, Suqian Advanced Materials Industry Technology Innovation Center, Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing, PR China
- Research and Development Department, Fertinagro Biotech, Teruel, Spain
| | - Yin Zhou
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing, PR China
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, NJTech-BARTY Joint Research Center for Innovative Medical Technology, Suqian Advanced Materials Industry Technology Innovation Center, Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing, PR China
| | - Jiliang Song
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing, PR China
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, NJTech-BARTY Joint Research Center for Innovative Medical Technology, Suqian Advanced Materials Industry Technology Innovation Center, Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing, PR China
| | - Yiyan He
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing, PR China
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, NJTech-BARTY Joint Research Center for Innovative Medical Technology, Suqian Advanced Materials Industry Technology Innovation Center, Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing, PR China
| | - Yuwen Cui
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing, PR China
- Department of Animal Pathology, Veterinary Faculty, Aragón Agricultural Institute (IA2), University of Zaragoza (CITA), Zaragoza, Spain
| | - Rosa María Bolea Bailo
- Department of Animal Pathology, Veterinary Faculty, Aragón Agricultural Institute (IA2), University of Zaragoza (CITA), Zaragoza, Spain
| | - Zhongwei Gu
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing, PR China
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, NJTech-BARTY Joint Research Center for Innovative Medical Technology, Suqian Advanced Materials Industry Technology Innovation Center, Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing, PR China
- Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, Huaxi MR Research Center (HMRRC), West China Hospital, Sichuan University, Chengdu, PR China
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2
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Li Z, Ren J, Sui X, Yang N, Li S, Qi L, Li S, Fan Y, Liu Z. A win-win platform: Stabilized black phosphorous nanosheets loading gallium ions for enhancing the healing of bacterial-infected wounds through synergistic antibacterial approaches. Int Wound J 2024; 21:e14940. [PMID: 38888416 PMCID: PMC11184645 DOI: 10.1111/iwj.14940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 05/16/2024] [Accepted: 05/19/2024] [Indexed: 06/20/2024] Open
Abstract
Bacterial infection is the most common complication in wound healing, highlighting an urgent need for the development of innovative antibacterial technologies and treatments to address the growing threats posed by bacterial infections. Black phosphorus nanosheets (BPNSs), as a promising two-dimensional nanomaterial, have been utilized in treating infected wounds. However, BP's limited stability restricts its application. In this study, we enhance BP's stability and its antibacterial properties by anchoring gallium ions (Ga3+) onto BP's surface, creating a novel antibacterial platform. This modification reduces BP's electron density and enhances its antibacterial capabilities through a synergistic effect. Under near-infrared (NIR) irradiation, the BP/Ga3+ combination exerts antibacterial effects via photothermal therapy (PTT) and photodynamic therapy (PDT), while also releasing Ga3+. The Ga3+ employ a 'Trojan horse strategy' to disrupt iron metabolism, significantly boosting the antibacterial efficacy of the complex. This innovative material offers a viable alternative to antibiotics and holds significant promise for treating infected wounds and aiding skin reconstruction.
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Affiliation(s)
- Zhiwei Li
- Department of Prosthodontics, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School of StomatologyJilin UniversityChangchunChina
| | - Jiwei Ren
- Department of Prosthodontics, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School of StomatologyJilin UniversityChangchunChina
| | - Xin Sui
- Department of Prosthodontics, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School of StomatologyJilin UniversityChangchunChina
| | - Nan Yang
- Department of Prosthodontics, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School of StomatologyJilin UniversityChangchunChina
| | - Sijia Li
- Department of Prosthodontics, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School of StomatologyJilin UniversityChangchunChina
| | - Le Qi
- Department of Prosthodontics, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School of StomatologyJilin UniversityChangchunChina
| | - Sining Li
- Department of Prosthodontics, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School of StomatologyJilin UniversityChangchunChina
| | - Yixin Fan
- Department of Prosthodontics, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School of StomatologyJilin UniversityChangchunChina
| | - Zhihui Liu
- Department of Prosthodontics, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School of StomatologyJilin UniversityChangchunChina
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Yaron JR, Gosangi M, Pallod S, Rege K. In situ light-activated materials for skin wound healing and repair: A narrative review. Bioeng Transl Med 2024; 9:e10637. [PMID: 38818119 PMCID: PMC11135152 DOI: 10.1002/btm2.10637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/22/2023] [Accepted: 12/12/2023] [Indexed: 06/01/2024] Open
Abstract
Dermal wounds are a major global health burden made worse by common comorbidities such as diabetes and infection. Appropriate wound closure relies on a highly coordinated series of cellular events, ultimately bridging tissue gaps and regenerating normal physiological structures. Wound dressings are an important component of wound care management, providing a barrier against external insults while preserving the active reparative processes underway within the wound bed. The development of wound dressings with biomaterial constituents has become an attractive design strategy due to the varied functions intrinsic in biological polymers, such as cell instructiveness, growth factor binding, antimicrobial properties, and tissue integration. Using photosensitive agents to generate crosslinked or photopolymerized dressings in situ provides an opportunity to develop dressings rapidly within the wound bed, facilitating robust adhesion to the wound bed for greater barrier protection and adaptation to irregular wound shapes. Despite the popularity of this fabrication approach, relatively few experimental wound dressings have undergone preclinical translation into animal models, limiting the overall integrity of assessing their potential as effective wound dressings. Here, we provide an up-to-date narrative review of reported photoinitiator- and wavelength-guided design strategies for in situ light activation of biomaterial dressings that have been evaluated in preclinical wound healing models.
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Affiliation(s)
- Jordan R. Yaron
- Center for Biomaterials Innovation and Translation, The Biodesign Institute, Arizona State UniversityTempeArizonaUSA
- School for Engineering of Matter, Transport, and Energy, Ira A. Fulton Schools of Engineering, Arizona State UniversityTempeArizonaUSA
| | - Mallikarjun Gosangi
- Center for Biomaterials Innovation and Translation, The Biodesign Institute, Arizona State UniversityTempeArizonaUSA
| | - Shubham Pallod
- Center for Biomaterials Innovation and Translation, The Biodesign Institute, Arizona State UniversityTempeArizonaUSA
| | - Kaushal Rege
- Center for Biomaterials Innovation and Translation, The Biodesign Institute, Arizona State UniversityTempeArizonaUSA
- School for Engineering of Matter, Transport, and Energy, Ira A. Fulton Schools of Engineering, Arizona State UniversityTempeArizonaUSA
- Chemical Engineering, Arizona State UniversityTempeArizonaUSA
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Wang W, Chen L, Zhang Y, Wang H, Dong D, Zhu J, Fu W, Liu T. Adipose-derived stem cells enriched with therapeutic mRNA TGF-β3 and IL-10 synergistically promote scar-less wound healing in preclinical models. Bioeng Transl Med 2024; 9:e10620. [PMID: 38435824 PMCID: PMC10905533 DOI: 10.1002/btm2.10620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 10/16/2023] [Accepted: 10/28/2023] [Indexed: 03/05/2024] Open
Abstract
Skin wound healing often leads to scar formation, presenting physical and psychological challenges for patients. Advancements in messenger RNA (mRNA) modifications offer a potential solution for pulsatile cytokine delivery to create a favorable wound-healing microenvironment, thereby preventing cutaneous fibrosis. This study aimed to investigate the effectiveness of human adipose-derived stem cells (hADSCs) enriched with N 1-methylpseudouridine (m1ψ) modified transforming growth factor-β3 (TGF-β3) and interleukin-10 (IL-10) mRNA in promoting scar-free healing in preclinical models. The results demonstrated that the modified mRNA (modRNA)-loaded hADSCs efficiently and temporarily secreted TGF-β3 and IL-10 proteins. In a dorsal injury model, hADSCs loaded with modRNA TGF-β3 and IL-10 exhibited multidimensional therapeutic effects, including improved collagen deposition, extracellular matrix organization, and neovascularization. In vitro experiments confirmed the ability of these cells to markedly inhibit the proliferation and migration of keloid fibroblasts, and reverse the myofibroblast phenotype. Finally, collagen degradation mediated by matrix metalloproteinase upregulation was observed in an ex vivo keloid explant culture model. In conclusion, the synergistic effects of the modRNA TGF-β3, IL-10, and hADSCs hold promise for establishing a scar-free wound-healing microenvironment, representing a robust foundation for the management of wounds in populations susceptible to scar formation.
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Affiliation(s)
- Wei Wang
- Department of Plastic and Aesthetic SurgeryHuadong Hospital, Shanghai Medical College, Fudan UniversityShanghaiChina
| | - Liang Chen
- Department of Plastic and Aesthetic SurgeryHuadong Hospital, Shanghai Medical College, Fudan UniversityShanghaiChina
| | - Yuxin Zhang
- Department of Plastic and Aesthetic SurgeryHuadong Hospital, Shanghai Medical College, Fudan UniversityShanghaiChina
| | - Heng Wang
- Department of Plastic and Aesthetic SurgeryHuadong Hospital, Shanghai Medical College, Fudan UniversityShanghaiChina
| | - Dong Dong
- Department of Plastic and Aesthetic SurgeryHuadong Hospital, Shanghai Medical College, Fudan UniversityShanghaiChina
| | - Jingjing Zhu
- Department of Plastic and Aesthetic SurgeryHuadong Hospital, Shanghai Medical College, Fudan UniversityShanghaiChina
| | - Wei Fu
- Institute of Pediatric Translational Medicine, Shanghai Institute of Pediatric Congenital Heart Disease, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong UniversityShanghaiChina
| | - Tianyi Liu
- Department of Plastic and Aesthetic SurgeryHuadong Hospital, Shanghai Medical College, Fudan UniversityShanghaiChina
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5
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Cao L, Zhang Z, Yuan D, Yu M, Min J. Tissue engineering applications of recombinant human collagen: a review of recent progress. Front Bioeng Biotechnol 2024; 12:1358246. [PMID: 38419725 PMCID: PMC10900516 DOI: 10.3389/fbioe.2024.1358246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 01/31/2024] [Indexed: 03/02/2024] Open
Abstract
With the rapid development of synthetic biology, recombinant human collagen has emerged as a cutting-edge biological material globally. Its innovative applications in the fields of material science and medicine have opened new horizons in biomedical research. Recombinant human collagen stands out as a highly promising biomaterial, playing a pivotal role in crucial areas such as wound healing, stroma regeneration, and orthopedics. However, realizing its full potential by efficiently delivering it for optimal therapeutic outcomes remains a formidable challenge. This review provides a comprehensive overview of the applications of recombinant human collagen in biomedical systems, focusing on resolving this crucial issue. Additionally, it encompasses the exploration of 3D printing technologies incorporating recombinant collagen to address some urgent clinical challenges in regenerative repair in the future. The primary aim of this review also is to spotlight the advancements in the realm of biomaterials utilizing recombinant collagen, with the intention of fostering additional innovation and making significant contributions to the enhancement of regenerative biomaterials, therapeutic methodologies, and overall patient outcomes.
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Affiliation(s)
- Lili Cao
- Department of Plastic Surgery, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China
| | - Zhongfeng Zhang
- Department of Plastic Surgery, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China
| | - Dan Yuan
- Department of Plastic Surgery, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China
| | - Meiping Yu
- Department of Plastic Surgery, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China
| | - Jie Min
- General Surgery Department, Jiaxing No.1 Hospital, Jiaxing, Zhejiang, China
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Li J, Zhao M, Liang J, Geng Z, Fan Y, Sun Y, Zhang X. Hollow Copper Sulfide Photothermal Nanodelivery Platform Boosts Angiogenesis of Diabetic Wound by Scavenging Reactive Oxygen Species. ACS APPLIED MATERIALS & INTERFACES 2024; 16:4395-4407. [PMID: 38247262 DOI: 10.1021/acsami.3c15593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Sharply rising oxidative stress and ineffectual angiogenesis have imposed restrictions on diabetic wound healing. Here, a photothermal-responsive nanodelivery platform (HHC) was prepared by peroxidase (CAT)-loaded hollow copper sulfide dispersed in photocurable methacrylamide hyaluronan. The HHC could scavenge reactive oxygen species (ROS) and promote angiogenesis by photothermally driven CAT and Cu2+ release. Under near-infrared light irradiation, the HHC presented safe photothermal performance (<43 °C), efficient bacteriostatic ability against E. coli and S. aureus. It could rapidly release CAT into the external environment for decomposing H2O2 and oxygen generation to alleviate oxidative stress while promoting fibroblast migration and VEGF protein expression of endothelial cells by reducing intracellular ROS levels. The nanodelivery platform presented satisfactory therapeutic effects on murine diabetic wound healing by modulating tissue inflammation, promoting collagen deposition and increasing vascularization in the neodermis. This HHC provided a viable strategy for diabetic wound dressing design.
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Affiliation(s)
- Jiadong Li
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan 610064, P. R. China
| | - Mingda Zhao
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan 610064, P. R. China
| | - Jie Liang
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan 610064, P. R. China
- Sichuan Testing Centre for Biomaterials and Medical Devices, 29# Wangjiang Road, Chengdu, Sichuan 610064, P. R. China
| | - Zhen Geng
- Institute of Translational Medicine, Shanghai University, Shanghai 200444, P. R. China
- Organoid Research Center, Shanghai University, Shanghai 200444, P. R. China
| | - Yujiang Fan
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan 610064, P. R. China
| | - Yong Sun
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan 610064, P. R. China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan 610064, P. R. China
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7
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Huang X, Zheng L, Zhou Y, Hu S, Ning W, Li S, Lin Z, Huang S. Controllable Adaptive Molybdate-Oligosaccharide Nanoparticles Regulate M2 Macrophage Mitochondrial Function and Promote Angiogenesis via PI3K/HIF-1α/VEGF Pathway to Accelerate Diabetic Wound Healing. Adv Healthc Mater 2024; 13:e2302256. [PMID: 37922497 DOI: 10.1002/adhm.202302256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 10/22/2023] [Indexed: 11/05/2023]
Abstract
The complex wound environment of diabetic wounds leads to poor treatment efficacy, and the inflammatory disorders and vascular injury are the primary causes of death in such patients. Herein, a sprayable, controllable adaptive, pH-responsive nanosystem of molybdate and oligosaccharide (CMO) is specially developed as an immunomodulatory and angiogenesis-promotion material for diabetic wound healing. CMO exhibited pH-responsive release of Mo2+ and oligosaccharide (COS), specifically in response to the alkalescent environment observed in diabetic wounds. CMO provide an anti-inflammatory environment by promoting M2 polarization through significantly stimulating macrophage mitochondrial function. Specifically, CMO with a certain concentration reduce reactive oxygen species (ROS) and tumor necrosis factor α (TNF-α) expression, and upregulated mitochondrial membrane potential (MMP), superoxide dismutase (SOD), and interleukin 10 (IL-10) expression in macrophages. Moreover, CMO facilitate angiogenesis via upregulating the PI3K/HIF-1α/VEGF pathway-a critical process for the formation of new blood vessels that supply nutrients and oxygen to the healing tissue. Remarkably, CMO promote cell viability and migration of endothelial cells, and enhance the expression of angiogenic genes. In vitro and in vivo studies suggest this simple but powerful nanosystem targeting mitochondrial function has the potential to become an effective treatment for diabetic wound healing.
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Affiliation(s)
- Xiuhong Huang
- Department of Preventive Dentistry, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, 510280, China
| | - Liqin Zheng
- Department of The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510405, China
| | - Yueshan Zhou
- Department of Preventive Dentistry, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, 510280, China
| | - Shaonan Hu
- Department of Preventive Dentistry, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, 510280, China
| | - Wancheng Ning
- Department of Preventive Dentistry, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, 510280, China
| | - Simin Li
- Department of Preventive Dentistry, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, 510280, China
| | - Ziling Lin
- Department of Orthopedic Trauma, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510405, China
| | - Shaohong Huang
- Department of Preventive Dentistry, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, 510280, China
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Zou Y, Zhou C, Li Z, Han X, Tong L, Liu T, Xiong L, Bai L, Liang J, Fan Y, Zhang X, Sun Y. Hydrophobic Tetracycline Immobilized in Fibrous Hyaluronan Regulates Adhesive Collagen-Based Hydrogel Stability for Infected Wound Healing. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303414. [PMID: 37431206 DOI: 10.1002/smll.202303414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 06/19/2023] [Indexed: 07/12/2023]
Abstract
Collagen-based hydrogels have a significant impact on wound healing, but they suffer from structural instability and bacterial invasion in infected wounds. Here, electrospun nanofibers of esterified hyaluronan (HA-Bn/T) are developed to immobilize the hydrophobic antibacterial drug tetracycline by π-π stacking interaction. Dopamine-modified hyaluronan and HA-Bn/T are employed simultaneously to stabilize the structure of collagen-based hydrogel by chemically interweaving the collagen fibril network and decreasing the rate of collagen degradation. This renders it injectable for in situ gelation, with suitable skin adhesion properties and long-lasting drug release capability. This hybridized interwoven hydrogel promotes the proliferation and migration of L929 cells and vascularization in vitro. It presents satisfactory antibacterial ability against Staphylococcus aureus and Escherichia coli. The structure also retains the functional protein environment provided by collagen fiber, inhibits the bacterial environment of infected wounds, and modulates local inflammation, resulting in neovascularization, collagen deposition, and partial follicular regeneration. This strategy offers a new solution for infected wound healing.
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Affiliation(s)
- Yaping Zou
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Chen Zhou
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Zhulian Li
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Xiaowen Han
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Lei Tong
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - TangJinhai Liu
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Li Xiong
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Lang Bai
- Center of Infectious Diseases, West China Hospital of Sichuan University, No. 37 GuoXue Xiang, Wuhou District, Chengdu, 610041, P. R. China
| | - Jie Liang
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Yujiang Fan
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Yong Sun
- National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
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9
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Singh H, Yadav I, Sheikh WM, Dan A, Darban Z, Shah SA, Mishra NC, Shahabuddin S, Hassan S, Bashir SM, Dhanka M. Dual cross-linked gellan gum/gelatin-based multifunctional nanocomposite hydrogel scaffold for full-thickness wound healing. Int J Biol Macromol 2023; 251:126349. [PMID: 37591426 DOI: 10.1016/j.ijbiomac.2023.126349] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 07/31/2023] [Accepted: 08/13/2023] [Indexed: 08/19/2023]
Abstract
Biological macromolecules are excellent materials for wound dressing owing to their similar structure to the extracellular matrix and adjustable physicochemical properties. This research focuses on fabricating biological macromolecule-based hydrogel with desirable antibacterial, antioxidant, controlled drug release, cytocompatibility, and wound healing properties. Herein, different concentrations of nanoceria (NC) and flurbiprofen (FLU) drug-loaded gellan gum/gelatin (GG/Ge) based dual crosslinked (Ionic and EDC/NHS coupling) hydrogels were engineered. All fabricated hydrogels were hydrophilic, biodegradable, good strength, porous, antioxidant, hemocompatible and cytocompatible. Among all, hydrogel loaded with 500 μg/ml NC (GG/Ge/NC@FLU) exhibited desirable antioxidant, antibacterial (killed Staphylococcus aureus and Escherichia coli within 12 h), hemocompatible, cytocompatible, supports oxidative-stressed L929 cell growth and acted as a controlled release matrix for FLU, following Fickian diffusion, Peppas Sahlin and Korsmeyer-Peppas drug release models. Furthermore, nanocomposite hydrogel (GG/Ge/NC@FLU)-treated wounds of rats on day 14 demonstrated significantly higher collagen synthesis, nearly 100 % wound contractions, and efficiently decreased the expression of TNF-α and IL-1 while increasing the production of IL-10 and TNF-ß3, indicating antiinflammatory activity, and effectively reduced the expression of VEGF gene indicating effective angiogenesis than all other controls. In conclusion, the fabricated multifunctional GG/Ge/NC@FLU nanocomposite hydrogel shows promising potential for effectively treating full-thickness wound healing in a rat model.
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Affiliation(s)
- Hemant Singh
- Biological Engineering, Indian Institute of Technology Gandhinagar, Gujarat, India
| | - Indu Yadav
- Polymer and Process Engineering, Indian Institute of Technology Roorkee, Uttarakhand, India
| | - Wajid Mohammad Sheikh
- Biochemistry & Molecular Biology Lab, Division of Veterinary Biochemistry, Faculty of Veterinary Sciences and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology, Srinagar, Jammu and Kashmir, India
| | - Aniruddha Dan
- Biological Engineering, Indian Institute of Technology Gandhinagar, Gujarat, India
| | - Zenab Darban
- Department of Chemistry, Pandit Deendayal Energy University, Gandhinagar, Gujarat, India
| | - Showkat Ahmad Shah
- Division of Veterinary Pathology, Faculty of Veterinary Sciences and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology, Srinagar, Jammu and Kashmir, India
| | - Narayan Chandra Mishra
- Polymer and Process Engineering, Indian Institute of Technology Roorkee, Uttarakhand, India.
| | - Syed Shahabuddin
- Department of Chemistry, Pandit Deendayal Energy University, Gandhinagar, Gujarat, India
| | - Shabir Hassan
- Department of Biology, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Showkeen Muzamil Bashir
- Biochemistry & Molecular Biology Lab, Division of Veterinary Biochemistry, Faculty of Veterinary Sciences and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology, Srinagar, Jammu and Kashmir, India.
| | - Mukesh Dhanka
- Biological Engineering, Indian Institute of Technology Gandhinagar, Gujarat, India.
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10
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Kumar A, Sood A, Agrawal G, Thakur S, Thakur VK, Tanaka M, Mishra YK, Christie G, Mostafavi E, Boukherroub R, Hutmacher DW, Han SS. Polysaccharides, proteins, and synthetic polymers based multimodal hydrogels for various biomedical applications: A review. Int J Biol Macromol 2023; 247:125606. [PMID: 37406894 DOI: 10.1016/j.ijbiomac.2023.125606] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 06/14/2023] [Accepted: 06/27/2023] [Indexed: 07/07/2023]
Abstract
Nature-derived or biologically encouraged hydrogels have attracted considerable interest in numerous biomedical applications owing to their multidimensional utility and effectiveness. The internal architecture of a hydrogel network, the chemistry of the raw materials involved, interaction across the interface of counter ions, and the ability to mimic the extracellular matrix (ECM) govern the clinical efficacy of the designed hydrogels. This review focuses on the mechanistic viewpoint of different biologically driven/inspired biomacromolecules that encourages the architectural development of hydrogel networks. In addition, the advantage of hydrogels by mimicking the ECM and the significance of the raw material selection as an indicator of bioinertness is deeply elaborated in the review. Furthermore, the article reviews and describes the application of polysaccharides, proteins, and synthetic polymer-based multimodal hydrogels inspired by or derived from nature in different biomedical areas. The review discusses the challenges and opportunities in biomaterials along with future prospects in terms of their applications in biodevices or functional components for human health issues. This review provides information on the strategy and inspiration from nature that can be used to develop a link between multimodal hydrogels as the main frame and its utility in biomedical applications as the primary target.
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Affiliation(s)
- Anuj Kumar
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, South Korea; School of Materials Science and Technology, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India.
| | - Ankur Sood
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, South Korea
| | - Garima Agrawal
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology Mandi, H.P. 175075, India
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, Poland
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Center, SRUC, Barony Campus, Parkgate, Dumfries DG1 3NE, United Kingdom; School of Engineering, University of Petroleum & Energy Studies (UPES), Dehradun 248007, Uttarakhand, India.
| | - Masaru Tanaka
- Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka Nishi-ku, Fukuoka 819-0395, Japan
| | - Yogendra Kumar Mishra
- Smart Materials, Mads Clausen Institute, University of Southern Denmark, Alsion 2, Sønderborg 6400, Denmark
| | - Graham Christie
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge CB3 0AS, UK
| | - Ebrahim Mostafavi
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Rabah Boukherroub
- Univ. Lille, CNRS, Univ. Polytechnique Hauts-de-France, UMR 8520 - IEMN, F-59000 Lille, France.
| | - Dietmar W Hutmacher
- Max Planck Queensland Centre (MPQC) for the Materials Science of Extracellular Matrices, Queensland University of Technology, Brisbane, QLD 4000, Australia; Centre for Biomedical Technologies, School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, QLD 4000, Australia; ARC Training Centre for Cell and Tissue Engineering Technologies, Queensland University of Technology, Brisbane, QLD 4000, Australia; Australian Research Council (ARC) Training Centre for Multiscale 3D Imaging, Modelling, and Manufacturing (M3D Innovation), Queensland University of Technology, Brisbane, QLD 4000, Australia.
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, South Korea.
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11
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Yu Y, Xiao H, Tang G, Wang H, Shen J, Sun Y, Wang S, Kong W, Chai Y, Liu X, Wang X, Wen G. Biomimetic hydrogel derived from decellularized dermal matrix facilitates skin wounds healing. Mater Today Bio 2023; 21:100725. [PMID: 37483381 PMCID: PMC10359665 DOI: 10.1016/j.mtbio.2023.100725] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 06/15/2023] [Accepted: 07/06/2023] [Indexed: 07/25/2023] Open
Abstract
Cutaneous wound healing affecting millions of people worldwide represents an unsolvable clinical issue that is frequently challenged by scar formation with dramatical pain, impaired mobility and disfigurement. Herein, we prepared a kind of light-sensitive decellularized dermal extracellular matrix-derived hydrogel with fast gelling performance, biomimetic porous microstructure and abundant bioactive functions. On account of its excellent cell biocompatibility, this ECM-derived hydrogel could induce a marked cellular infiltration and enhance the tube formation of HUVECs. In vivo experiments based upon excisional wound splinting model showed that the hydrogel prominently imparted skin wound healing, as evidenced by notably increased skin appendages and well-organized collagen expression, coupled with significantly enhanced angiogenesis. Moreover, the skin regeneration mediated by this bioactive hydrogel was promoted by an accelerated M1-to-M2 macrophage phenotype transition. Consequently, the decellularized dermal matrix-derived bioactive hydrogel orchestrates the entire skin healing microenvironment to promote wound healing and will be of high value in treatment of cutaneous wound healing. As such, this biomimetic ddECMMA hydrogel provides a promising versatile opinion for the clinical translation.
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Affiliation(s)
- Yaling Yu
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Huimin Xiao
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Guoke Tang
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai, 200080, China
| | - Hongshu Wang
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Junjie Shen
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Yi Sun
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Shuaiqun Wang
- College of Information Engineering, Shanghai Maritime University, Shanghai, 201306, China
| | - Wei Kong
- College of Information Engineering, Shanghai Maritime University, Shanghai, 201306, China
| | - Yimin Chai
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Xuanzhe Liu
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Xing Wang
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Gen Wen
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
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12
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Chen H, Wu L, Wang T, Zhang F, Song J, Fu J, Kong X, Shi J. PTT/ PDT-induced Microbial Apoptosis and Wound Healing Depend on Immune Activation and Macrophage Phenotype Transformation. Acta Biomater 2023:S1742-7061(23)00350-1. [PMID: 37369265 DOI: 10.1016/j.actbio.2023.06.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 06/09/2023] [Accepted: 06/20/2023] [Indexed: 06/29/2023]
Abstract
Antibiotics show unsuccessful application in biofilm destruction, which induce chronic infections and emergence of antibiotic resistant bacteria. Photodynamic therapy (PDT) and photothermal therapy (PTT), as widely accepted antimicrobial tools of phototherapy, could effectively activate the immune system and promote the proliferation of wound tissue, thus becoming the most promising therapeutic strategy to replace antibiotics and avoid drug-resistant strains. However, there is no consensus on whether antibacterial and wound healing achieved by PDT/PTT depend not only on the cytotoxic effect of the treatment itself, but also on the activation of host immune system. In this study, CaSiO3-ClO2@PDA-ICG nanoparticles (CCPI NPs) were designed as PDT/PTT antimicrobial model material. With the comparison of healing effect between wide-type mice and severely immunodeficient (C-NKG) mice, the dependence of PDT/PTT-induced microbial apoptosis and wound healing on immune activation and macrophage phenotype transformation was explored and verified. Furthermore, the induced phenotypic transformation of macrophages during PDT/PTT treatment was demonstrated to play crucial role in the improvement of epithelial-mesenchymal transformation (EMT). In summary, this study represents great significance for further identifying the role of immune system activation in antibacterial phototherapy and developing new treatment strategies for biofilm-infected wound healing. STATEMENT OF SIGNIFICANCE: A PDT/PTT combination therapy model nanoparticle was established for biofilm-infected wounds. Both microbial apoptosis and wound healing achieved by PDT/PTT combination therapy were highly dependent on the activated immune system, especially the M2 macrophage phenotype. PDT/PTT could promote the polarization of monocytes to the phenotype of M2 macrophages, which promotes EMT behavior of the tissue at the edge of the wound through the secretion of TGF-β1, thus accelerating wound healing.
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Affiliation(s)
- Haoyu Chen
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, 700 Changcheng Road, Qingdao, 266109, China; School of Materials Science and Engineering, Sun Yat-sen University, 132 Waihuan Road East, Panyu District, Guangzhou, 510006, China
| | - Lijuan Wu
- Innovation Platform of Marine Drug Screening & Evaluation, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266100, China; School of Materials Science and Engineering, Sun Yat-sen University, 132 Waihuan Road East, Panyu District, Guangzhou, 510006, China
| | - Tianyi Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, 700 Changcheng Road, Qingdao, 266109, China; School of Materials Science and Engineering, Sun Yat-sen University, 132 Waihuan Road East, Panyu District, Guangzhou, 510006, China
| | - Fenglan Zhang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, 700 Changcheng Road, Qingdao, 266109, China; School of Materials Science and Engineering, Sun Yat-sen University, 132 Waihuan Road East, Panyu District, Guangzhou, 510006, China
| | - Junyao Song
- University of Health and Rehabilitation Sciences, Qingdao 266113, Shandong, China; School of Materials Science and Engineering, Sun Yat-sen University, 132 Waihuan Road East, Panyu District, Guangzhou, 510006, China
| | - Jun Fu
- Bassars college of future agricultural science and technology, Qingdao Agricultural University, 700 Changcheng Road, Qingdao, 266109, China; School of Materials Science and Engineering, Sun Yat-sen University, 132 Waihuan Road East, Panyu District, Guangzhou, 510006, China.
| | - Xiaoying Kong
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, 700 Changcheng Road, Qingdao, 266109, China; School of Materials Science and Engineering, Sun Yat-sen University, 132 Waihuan Road East, Panyu District, Guangzhou, 510006, China.
| | - Jinsheng Shi
- University of Health and Rehabilitation Sciences, Qingdao 266113, Shandong, China; School of Materials Science and Engineering, Sun Yat-sen University, 132 Waihuan Road East, Panyu District, Guangzhou, 510006, China.
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13
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Yang J, He Y, Nan S, Li J, Pi A, Yan L, Xu J, Hao Y. Therapeutic effect of propolis nanoparticles on wound healing. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
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14
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Cheng S, Qi M, Li W, Sun W, Li M, Lin J, Bai X, Sun Y, Dong B, Wang L. Dual-Responsive Nanocomposites for Synergistic Antibacterial Therapies Facilitating Bacteria-Infected Wound Healing. Adv Healthc Mater 2023; 12:e2202652. [PMID: 36373219 DOI: 10.1002/adhm.202202652] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 11/08/2022] [Indexed: 11/16/2022]
Abstract
The rising dangers of bacterial infections have created an urgent need for the development of a new generation of antibacterial technologies and therapeutics. Antibacterial photodynamic therapy (PDT), considered as a noninvasive treatment with no drug resistance, has become a new promising photochemistry-involved treatment strategy. Titanium oxide (TiO2 ) is proved to be a very efficient PDT agent among the photosensitive materials, while the property of a large bandgap of TiO2 makes it only be excited by ultraviolet light, which is harmful to organisms. In this work, a novel ligand-to-metal charge transfer (LMCT) mediated TiO2 PDT strategy is proposed via the harmless near-infrared light irradiation. By choosing a mussel-inspired material, polydopamine (PDA) is involved in forming mesoporous TiO2 @PDA nanoparticles (mTiO2 @PDA NPs). The catechol groups of PDA can attach the TiO2 tightly even in colloidal environments, and can also form the LMCT bridge, exciting TiO2 to exert PDT function via 808 nm irradiation. Combining the sonodynamic therapy (SDT) of TiO2 and the photothermal therapy properties of PDA, this simple structure mTiO2 @PDA enables synergistic antibacterial applications with multiple functions under the dual excitation of NIR and ultrasound. This reliable all-in-one NPs can achieve great antibacterial effect and a rapid repair of infected wounds.
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Affiliation(s)
- Shi Cheng
- Department of Oral Implantology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, 130021, P. R. China
| | - Manlin Qi
- Department of Oral Implantology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, 130021, P. R. China
| | - Wen Li
- Department of Oral Implantology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, 130021, P. R. China
| | - Wenyue Sun
- Department of Oral Implantology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, 130021, P. R. China
| | - Meiqi Li
- Department of Oral Implantology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, 130021, P. R. China
| | - Jinying Lin
- Department of Oral Implantology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, 130021, P. R. China
| | - Xue Bai
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun, 130012, P. R. China
| | - Yue Sun
- Department of Oral Implantology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, 130021, P. R. China
| | - Biao Dong
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun, 130012, P. R. China
| | - Lin Wang
- Department of Oral Implantology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, 130021, P. R. China
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15
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Chen Z, Wang L, Guo C, Qiu M, Cheng L, Chen K, Qi J, Deng L, He C, Li X, Yan Y. Vascularized polypeptide hydrogel modulates macrophage polarization for wound healing. Acta Biomater 2023; 155:218-234. [PMID: 36396041 DOI: 10.1016/j.actbio.2022.11.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 10/18/2022] [Accepted: 11/01/2022] [Indexed: 11/16/2022]
Abstract
Wound repair involves a sophisticated process that includes angiogenesis, immunoregulation and collagen deposition. However, weak revascularization performance and the lack of biochemical cues to trigger immunomodulatory function currently limit biomaterial applications for skin regeneration and tissue engineering. Herein, we fabricate a new bioactive polypeptide hydrogel (QK-SF) constituted by silk fibroin (SF) and a vascular endothelial growth factor mimetic peptide KLTWQELYQLKYKGI (QK) for tissue regeneration by simultaneously promoting vascularization and macrophage polarization. Our results showed that this QK-SF hydrogel can be prepared via an easy manufacturing process, and exhibited good gel stability and low cytotoxicity to cultured human umbilical vein endothelial cells (HUVECs) via both live/dead and cell counting kit-8 assays. Importantly, this QK-SF hydrogel triggered macrophage polarization from M1 into M2, as exemplified by the enhanced expression of the M2 marker and decreased expression of the M1 marker in RAW264.7 cells. Furthermore, the QK-SF hydrogel showed high capacity for inducing endothelial growth, migration and angiogenesis, which were proved by increased expression of angiogenesis-related genes in HUVECs. Consistent with in vitro findings, in vivo data show that the QK-SF hydrogel promoted M2 polarization, keratinocyte differentiation, and collagen deposition in the mouse skin wound model in immunohistochemistry assay. Furthermore, this QK-SF hydrogel can reduce inflammation, induce angiogenesis and promote wound healing as exemplified by the increased vessel formation and decreased wound area in the mouse skin wound model. Altogether, these results indicate that the bioactive QK-SF hydrogel plays dual functional roles in promoting angiogenesis and immunoregulation for tissue regeneration. STATEMENT OF SIGNIFICANCE: The QK-SF hydrogel plays dual functional roles in promoting angiogenesis and immunoregulation for tissue repair and wound healing. The QK-SF hydrogel can be prepared via an easy manufacturing process, and exhibited good gel stability and low cytotoxicity to cultured HUVECs. The QK-SF hydrogel triggered macrophage polarization from M1 into M2. The QK-SF hydrogel showed high capacity for inducing endothelial growth, migration and angiogenesis. The QK-SF hydrogel promoted M2 polarization, keratinocyte differentiation, and collagen deposition.
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Affiliation(s)
- Zhijie Chen
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China; Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China
| | - Lianlian Wang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Changjun Guo
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China
| | - Minglong Qiu
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China
| | - Liang Cheng
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China
| | - Kaizhe Chen
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China
| | - Jin Qi
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China
| | - Lianfu Deng
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China
| | - Chuan He
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China.
| | - Xinming Li
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China.
| | - Yufei Yan
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China; Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China.
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16
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Taghizadeh A, Taghizadeh M, Khodadadi Yazdi M, Zarrintaj P, Ramsey JD, Seidi F, Stadler FJ, Lee H, Saeb MR, Mozafari M. Mussel‐Inspired
Biomaterials: From Chemistry to Clinic. Bioeng Transl Med 2022; 7:e10385. [PMID: 36176595 PMCID: PMC9472010 DOI: 10.1002/btm2.10385] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 05/25/2022] [Accepted: 07/16/2022] [Indexed: 11/18/2022] Open
Abstract
After several billions of years, nature still makes decisions on its own to identify, develop, and direct the most effective material for phenomena/challenges faced. Likewise, and inspired by the nature, we learned how to take steps in developing new technologies and materials innovations. Wet and strong adhesion by Mytilidae mussels (among which Mytilus edulis—blue mussel and Mytilus californianus—California mussel are the most well‐known species) has been an inspiration in developing advanced adhesives for the moist condition. The wet adhesion phenomenon is significant in designing tissue adhesives and surgical sealants. However, a deep understanding of engaged chemical moieties, microenvironmental conditions of secreted proteins, and other contributing mechanisms for outstanding wet adhesion mussels are essential for the optimal design of wet glues. In this review, all aspects of wet adhesion of Mytilidae mussels, as well as different strategies needed for designing and fabricating wet adhesives are discussed from a chemistry point of view. Developed muscle‐inspired chemistry is a versatile technique when designing not only wet adhesive, but also, in several more applications, especially in the bioengineering area. The applications of muscle‐inspired biomaterials in various medical applications are summarized for future developments in the field.
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Affiliation(s)
- Ali Taghizadeh
- Institute of Tissue Regeneration Engineering (ITREN) Dankook University Cheonan Republic of Korea
| | - Mohsen Taghizadeh
- Institute of Tissue Regeneration Engineering (ITREN) Dankook University Cheonan Republic of Korea
| | - Mohsen Khodadadi Yazdi
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science University of Tehran Tehran Iran
| | - Payam Zarrintaj
- School of Chemical Engineering, Oklahoma State University 420 Engineering North Stillwater OK United States
| | - Joshua D. Ramsey
- School of Chemical Engineering, Oklahoma State University 420 Engineering North Stillwater OK United States
| | - Farzad Seidi
- Jiangsu Co‐Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials Nanjing Forestry University Nanjing China
| | - Florian J. Stadler
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology Guangdong China
| | - Haeshin Lee
- Department of Chemistry Korea Advanced Institute of Science and Technology (KAIST) Daejeon Republic of Korea
| | - Mohammad Reza Saeb
- Department of Polymer Technology, Faculty of Chemistry Gdańsk University of Technology, G. Narutowicza 11 Gdańsk Poland
| | - Masoud Mozafari
- Department of Tissue Engineering & Regenerative Medicine Iran University of Medical Sciences Tehran Iran
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17
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Zhao Y, Liu X, Peng X, Zheng Y, Cheng Z, Sun S, Ding Q, Liu W, Ding C. A poloxamer/hyaluronic acid/chitosan-based thermosensitive hydrogel that releases dihydromyricetin to promote wound healing. Int J Biol Macromol 2022; 216:475-486. [PMID: 35810849 DOI: 10.1016/j.ijbiomac.2022.06.210] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 06/03/2022] [Accepted: 06/30/2022] [Indexed: 12/13/2022]
Abstract
Wounds caused by accidents and surgery are inevitable, and inflammation and microbial infection during the healing process are serious clinical challenges, resulting in slow wound healing. In this study, we created a 37 °C-sensitive hydrogel using poloxamer, chitosan and hyaluronic acid, loaded with the active substance dihydromyricetin, and further evaluated its potential for wound healing. The hydrogels were characterized by scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction and thermogravimetric analysis for their micromorphological structure, characteristic functional groups, crystal structure and thermal stability, and in vitro drug release assays showed that the hydrogel could slowly release dihydromyricetin. In addition, the hydrogels were found to exhibit good biocompatibility and significant in vitro antioxidant and anti-inflammatory activity according to hemolysis, in vitro antioxidant and anti-inflammatory tests. Methyl thiazolyl tetrazole cytotoxicity tests verified that the film was non-toxic to human keratinocyte (HaCaT) cells, while in vivo experiments showed that this hydrogel could promote skin repair by promoting skin-associated growth factor expression and inhibiting nuclear factor kappa B-mediated cellular inflammatory factors. These results demonstrated that the temperature-sensitive hydrogels loaded with dihydromyricetin could serve as potential candidates for guided skin repair.
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Affiliation(s)
- Yingchun Zhao
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Xinglong Liu
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Xiaojuan Peng
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Yinan Zheng
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Zhiqiang Cheng
- College of Resources and Environment, Jilin Agricultural University, Changchun 130118, China
| | - Shuwen Sun
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Qiteng Ding
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Wencong Liu
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; College of Resources and Environment, Jilin Agricultural University, Changchun 130118, China.
| | - Chuanbo Ding
- School of Chinese Medicine, Jilin Agricultural Science and Technology University, Jilin 132101, China.
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18
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Anderson CF, Chakroun RW, Grimmett ME, Domalewski CJ, Wang F, Cui H. Collagen-Binding Peptide-Enabled Supramolecular Hydrogel Design for Improved Organ Adhesion and Sprayable Therapeutic Delivery. NANO LETTERS 2022; 22:4182-4191. [PMID: 35522052 PMCID: PMC9844543 DOI: 10.1021/acs.nanolett.2c00967] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Spraying serves as an attractive, minimally invasive means of administering hydrogels for localized delivery, particularly due to high-throughput deposition of therapeutic depots over an entire target site of uneven surfaces. However, it remains a great challenge to design systems capable of rapid gelation after shear-thinning during spraying and adhering to coated tissues in wet, physiological environments. We report here on the use of a collagen-binding peptide to enable a supramolecular design of a biocompatible, bioadhesive, and sprayable hydrogel for sustained release of therapeutics. After spraying, the designed peptide amphiphile-based supramolecular filaments exhibit fast, physical cross-linking under physiological conditions. Our ex vivo studies suggest that the hydrogelator strongly adheres to the wet surfaces of multiple organs, and the extent of binding to collagen influences release kinetics from the gel. We envision that the sprayable organ-adhesive hydrogel can serve to enhance the efficacy of incorporated therapeutics for many biomedical applications.
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Affiliation(s)
- Caleb F Anderson
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Rami W Chakroun
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Department of Chemical Engineering and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Maria E Grimmett
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Christopher J Domalewski
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Feihu Wang
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Honggang Cui
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Department of Oncology and Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States
- Center for Nanomedicine, The Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, United States
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19
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Comparison of Surgical Outcomes of Laparoscopic Glue and Laparoscopic Suture Hernioplasty in Pediatric Female Inguinal Hernia. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9050724. [PMID: 35626901 PMCID: PMC9139667 DOI: 10.3390/children9050724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 05/03/2022] [Accepted: 05/11/2022] [Indexed: 11/16/2022]
Abstract
This study aimed to report the surgical outcomes of laparoscopic glue hernioplasty (LGH) compared with conventional laparoscopic suture hernioplasty (LSH) in pediatric female inguinal hernia repair. We retrospectively analyzed 465 female pediatric patients who underwent laparoscopic inguinal hernia repair between January 2013 and December 2020. LGH and LSH were performed in 95 and 370 cases, respectively. Surgical outcomes (length of hospital stay, operative time, complications, and recurrences) were compared between the LGH and LSH groups. We found that the operation times for bilateral hernia repair were shorter in the LGH group (LGH: 35.5 ± 8.2 min, LSH: 45.2 ± 11.6 min; p < 0.001). No significant differences in complications or recurrences were observed between the two groups during the follow-up period. Our findings suggest that LGH is a feasible and easily applied surgical technique for the treatment of pediatric female inguinal hernia.
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20
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Romano G, Almeida M, Varela Coelho A, Cutignano A, Gonçalves LG, Hansen E, Khnykin D, Mass T, Ramšak A, Rocha MS, Silva TH, Sugni M, Ballarin L, Genevière AM. Biomaterials and Bioactive Natural Products from Marine Invertebrates: From Basic Research to Innovative Applications. Mar Drugs 2022; 20:md20040219. [PMID: 35447892 PMCID: PMC9027906 DOI: 10.3390/md20040219] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/16/2022] [Accepted: 03/16/2022] [Indexed: 12/22/2022] Open
Abstract
Aquatic invertebrates are a major source of biomaterials and bioactive natural products that can find applications as pharmaceutics, nutraceutics, cosmetics, antibiotics, antifouling products and biomaterials. Symbiotic microorganisms are often the real producers of many secondary metabolites initially isolated from marine invertebrates; however, a certain number of them are actually synthesized by the macro-organisms. In this review, we analysed the literature of the years 2010–2019 on natural products (bioactive molecules and biomaterials) from the main phyla of marine invertebrates explored so far, including sponges, cnidarians, molluscs, echinoderms and ascidians, and present relevant examples of natural products of interest to public and private stakeholders. We also describe omics tools that have been more relevant in identifying and understanding mechanisms and processes underlying the biosynthesis of secondary metabolites in marine invertebrates. Since there is increasing attention on finding new solutions for a sustainable large-scale supply of bioactive compounds, we propose that a possible improvement in the biodiscovery pipeline might also come from the study and utilization of aquatic invertebrate stem cells.
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Affiliation(s)
- Giovanna Romano
- Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy;
- Correspondence: (G.R.); (L.B.)
| | - Mariana Almeida
- 3B’s Research Group, I3B’s—Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark—Parque de Ciência e Tecnologia, Barco, 4805-017 Guimarães, Portugal; (M.A.); (M.S.R.); (T.H.S.)
- ICVS/3B´s—PT Government Associate Laboratory, 4710-057 Braga, Portugal
| | - Ana Varela Coelho
- ITQB NOVA, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal; (A.V.C.); (L.G.G.)
| | - Adele Cutignano
- Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy;
- CNR-Institute of Biomolecular Chemistry, Via Campi Flegrei 34, 80078 Pozzuoli, Italy
| | - Luis G Gonçalves
- ITQB NOVA, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal; (A.V.C.); (L.G.G.)
| | - Espen Hansen
- Marbio, UiT-The Arctic University of Norway, 9037 Tromso, Norway;
| | - Denis Khnykin
- Laboratory for Immunohistochemistry and Immunopathology (LIIPAT), Department of Pathology, Oslo University Hospital-Rikshospitalet, 0450 Oslo, Norway;
| | - Tali Mass
- Faculty of Natural Science, Department of Marine Biology, Charney School of Marine Sciences, University of Haifa, Haifa 3498838, Israel;
| | - Andreja Ramšak
- National Institute of Biology, Marine Biology Station, Fornače 41, SI-6330 Piran, Slovenia;
| | - Miguel S. Rocha
- 3B’s Research Group, I3B’s—Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark—Parque de Ciência e Tecnologia, Barco, 4805-017 Guimarães, Portugal; (M.A.); (M.S.R.); (T.H.S.)
- ICVS/3B´s—PT Government Associate Laboratory, 4710-057 Braga, Portugal
| | - Tiago H. Silva
- 3B’s Research Group, I3B’s—Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark—Parque de Ciência e Tecnologia, Barco, 4805-017 Guimarães, Portugal; (M.A.); (M.S.R.); (T.H.S.)
- ICVS/3B´s—PT Government Associate Laboratory, 4710-057 Braga, Portugal
| | - Michela Sugni
- Department of Environmental Science and Policy, University of Milan, Via Celoria, 2, 20133 Milan, Italy;
| | - Loriano Ballarin
- Department of Biology, University of Padova, Via U. Bassi 58/B, 35100 Padova, Italy
- Correspondence: (G.R.); (L.B.)
| | - Anne-Marie Genevière
- Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique de Banyuls-sur-Mer, Sorbonne Université, CNRS, 1 Avenue Pierre Fabre, 66650 Banyuls-sur-Mer, France;
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21
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Zheng Z, Li M, Jiang P, Sun N, Lin S. Peptides derived from sea cucumber accelerate cells proliferation and migration for wound healing by promoting energy metabolism and upregulating the ERK/AKT pathway. Eur J Pharmacol 2022; 921:174885. [DOI: 10.1016/j.ejphar.2022.174885] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 03/03/2022] [Accepted: 03/09/2022] [Indexed: 12/19/2022]
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22
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Sahajpal K, Sharma S, Shekhar S, Kumar A, Meena MK, Bhagi AK, Sharma B. Dynamic Protein and Polypeptide Hydrogels Based on Schiff Base Co-assembly for Biomedicine. J Mater Chem B 2022; 10:3173-3198. [DOI: 10.1039/d2tb00077f] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Stimuli-responsive hydrogels are promising building blocks for biomedical devices, attributable to their excellent hydrophilicity, biocompatibility, and dynamic responsiveness to temperature, light, pH, and water content. Although hydrogels find interesting applications...
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23
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Puertas-Bartolomé M, Włodarczyk-Biegun MK, Del Campo A, Vázquez-Lasa B, San Román J. Development of bioactive catechol functionalized nanoparticles applicable for 3D bioprinting. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 131:112515. [PMID: 34857294 DOI: 10.1016/j.msec.2021.112515] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 10/19/2021] [Accepted: 10/22/2021] [Indexed: 12/11/2022]
Abstract
Efficient wound treatments to target specific events in the healing process of chronic wounds constitute a significant aim in regenerative medicine. In this sense, nanomedicine can offer new opportunities to improve the effectiveness of existing wound therapies. The aim of this study was to develop catechol bearing polymeric nanoparticles (NPs) and to evaluate their potential in the field of wound healing. Thus, NPs wound healing promoting activities, potential for drug encapsulation and controlled release, and further incorporation in a hydrogel bioink formulation to fabricate cell-laden 3D scaffolds are studied. NPs with 2 and 29 M % catechol contents (named NP2 and NP29) were obtained by nanoprecipitation and presented hydrodynamic diameters of 100 and 75 nm respectively. These nanocarriers encapsulated the hydrophobic compound coumarin-6 with 70% encapsulation efficiency values. In cell culture studies, the NPs had a protective effect in RAW 264.7 macrophages against oxidative stress damage induced by radical oxygen species (ROS). They also presented a regulatory effect on the inflammatory response of stimulated macrophages and promoted upregulation of the vascular endothelial growth factor (VEGF) in fibroblasts and endothelial cells. In particular, NP29 were used in a hydrogel bioink formulation using carboxymethyl chitosan and hyaluronic acid as polymeric matrices. Using a reactive mixing bioprinting approach, NP-loaded hydrogel scaffolds with good structural integrity, shape fidelity and homogeneous NPs dispersion, were obtained. The in vitro catechol NPs release profile of the printed scaffolds revealed a sustained delivery. The bioprinted scaffolds supported viability and proliferation of encapsulated L929 fibroblasts over 14 days. We envision that the catechol functionalized NPs and resulting bioactive bioink presented in this work offer promising advantages for wound healing applications, as they: 1) support controlled release of bioactive catechol NPs to the wound site; 2) can incorporate additional therapeutic functions by co-encapsulating drugs; 3) can be printed into 3D scaffolds with tailored geometries based on patient requirements.
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Affiliation(s)
- María Puertas-Bartolomé
- Institute of Polymer Science and Technology, ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain; CIBER's Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Health Institute Carlos III, Monforte de Lemos 3-5, 28029 Madrid, Spain; INM - Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany
| | | | - Aránzazu Del Campo
- INM - Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany; Chemistry Department, Saarland University, 66123 Saarbrücken, Germany
| | - Blanca Vázquez-Lasa
- Institute of Polymer Science and Technology, ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain; CIBER's Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Health Institute Carlos III, Monforte de Lemos 3-5, 28029 Madrid, Spain.
| | - Julio San Román
- Institute of Polymer Science and Technology, ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain; CIBER's Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Health Institute Carlos III, Monforte de Lemos 3-5, 28029 Madrid, Spain
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24
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Double-layered adhesive microneedle bandage based on biofunctionalized mussel protein for cardiac tissue regeneration. Biomaterials 2021; 278:121171. [PMID: 34624751 DOI: 10.1016/j.biomaterials.2021.121171] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/13/2021] [Accepted: 09/28/2021] [Indexed: 12/11/2022]
Abstract
Heart failure following myocardial infarction (MI), the primary cause of mortality worldwide, is the consequence of cardiomyocyte death or dysfunction. Clinical efforts involving the delivery of growth factors (GFs) and stem cells with the aim of regenerating cardiomyocytes for the recovery of structural and functional integrity have largely failed to deliver, mainly due to short half-lives and rapid clearance in in vivo environments. In this work, we selected and genetically fused four biofunctional peptides possessing angiogenic potential, originating from extracellular matrix proteins and GFs, to bioengineered mussel adhesive protein (MAP). We found that MAPs fused with vascular endothelial growth factor (VEGF)-derived peptide and fibronectin-derived RGD peptide significantly promoted the proliferation and migration of endothelial cells in vitro. Based on these characteristics, we fabricated advanced double-layered adhesive microneedle bandages (DL-AMNBs) consisting of a biofunctional MAP-based root and a regenerated silk fibroin (SF)-based tip, allowing homogeneous distribution of the regenerative factor via swellable microneedles. Our developed DL-AMNB system clearly demonstrated better preservation of cardiac muscle and regenerative effects on heart remodeling in a rat MI model, which might be attributed to the prolonged retention of therapeutic peptides as well as secure adhesion between the patch and host myocardium by MAP-inherent strong underwater adhesiveness.
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25
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Hosseini M, Shafiee A. Engineering Bioactive Scaffolds for Skin Regeneration. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2101384. [PMID: 34313003 DOI: 10.1002/smll.202101384] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 03/24/2021] [Indexed: 06/13/2023]
Abstract
Large skin wounds pose a major clinical challenge. Scarcity of donor site and postsurgical scarring contribute to the incomplete or partial loss of function and aesthetic concerns in skin wound patients. Currently, a wide variety of skin grafts are being applied in clinical settings. Scaffolds are used to overcome the issues related to the misaligned architecture of the repaired skin tissues. The current review summarizes the contribution of biomaterials to wound healing and skin regeneration and addresses the existing limitations in skin grafting. Then, the clinically approved biologic and synthetic skin substitutes are extensively reviewed. Next, the techniques for modification of skin grafts aiming for enhanced tissue regeneration are outlined, and a summary of different growth factor delivery systems using biomaterials is presented. Considering the significant progress in biomaterial science and manufacturing technologies, the idea of biomaterial-based skin grafts with the ability for scarless wound healing and reconstructing full skin organ is more achievable than ever.
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Affiliation(s)
- Motaharesadat Hosseini
- Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Kelvin Grove, Brisbane, QLD, 4059, Australia
| | - Abbas Shafiee
- Herston Biofabrication Institute, Metro North Hospital and Health Service, Brisbane, QLD, 4029, Australia
- Royal Brisbane and Women's Hospital, Metro North Hospital and Health Service, Brisbane, QLD, 4029, Australia
- UQ Diamantina Institute, Translational Research Institute, The University of Queensland, Brisbane, QLD, 4102, Australia
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26
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Beneficial effect on rapid skin wound healing through carboxylic acid-treated chicken eggshell membrane. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112350. [PMID: 34474899 DOI: 10.1016/j.msec.2021.112350] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 07/13/2021] [Accepted: 07/26/2021] [Indexed: 01/05/2023]
Abstract
At the initial stage of wound healing, growth factors stimulate tissue regeneration by interacting with the extracellular matrix (ECM), leading to rapid wound repair and structural support. Chicken eggshell membrane (ESM) is a low-cost and highly functional ECM biomaterial for tissue regeneration. However, natural ESM has limitations for tissue engineering purposes because it is difficult to control the size, shape, and biocompatibility of the surfaces. To overcome this, blends of synthetic materials and natural ESMs, such as soluble eggshell membrane protein, are combined for biomaterial applications. Unfortunately, it is difficult to pattern fibrous structure. Here, we modified the natural chicken ESM through weak acid treatment to promote wound healing and skin regeneration without loss of fibrous structure. Treatment of citric acid and acetic acid reacted the amine or amide group with carboxyl groups (R-COOH) and achieved hydrophilicity for adherence of proliferating regenerative cells. Our in vitro study revealed that the modified ESM scaffolds significantly promoted human dermal fibroblasts adhesion, viability, proliferation, and cytokine secretion, compared with natural ESM. In addition, the modified ESM accelerated skin regeneration and enhanced the wound healing process even at early stages in an in vivo rat wound model. Collectively, the modified ESM performed best for promoting skin regeneration, cytokine secretion, epidermal cell proliferation, and controlling the inflammatory response both in vitro and in vivo.
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27
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Maeng S, Park TY, Min JS, Jin L, Joo KI, Park WC, Cha HJ. Sutureless Transplantation of Amniotic Membrane Using a Visible Light-Curable Protein Bioadhesive for Ocular Surface Reconstruction. Adv Healthc Mater 2021; 10:e2100100. [PMID: 34050621 DOI: 10.1002/adhm.202100100] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 05/16/2021] [Indexed: 02/06/2023]
Abstract
The conjunctiva is a thin mucous membrane of the eye. Pterygium, a commonly appearing disease on the ocular surface, requires surgery to excise the conjunctiva to prevent visual deterioration. Recently, transplantation of the amniotic membrane (AM), which is the innermost membrane of the placenta, has been highlighted as an efficient method to cure conjunctiva defects because of its advantages of no side effects compared to mitomycin C treatment and not leaving additional scars on donor site compared to conjunctival autografting. However, to minimize additional damage to the ocular surface by suturing, AM transplantation (AMT) needs to be simplified by using a less invasive, time-saving method. In this work, a visible light-curable protein bioadhesive (named FixLight) for efficient sutureless AMT is applied. FixLight, which is based on bioengineered mussel adhesive protein (MAP), is easily applied between damaged ocular surfaces and transplanted AM, and rapidly cured by harmless blue light activation. Through in vivo evaluation using a rabbit model, the authors demonstrated that FixLight enabled facile, fast, and strong attachment of AM on sclera and promoted ocular surface reconstruction with good biocompatibility. Thus, FixLight can be successfully used as a promising clinical bioadhesive in opthalmological surgeries that require sutureless and rapid operation.
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Affiliation(s)
- Seong‐Woo Maeng
- Department of Chemical Engineering Pohang University of Science and Technology Pohang 37673 Republic of Korea
| | - Tae Yoon Park
- Department of Chemical Engineering Pohang University of Science and Technology Pohang 37673 Republic of Korea
| | - Ji Sang Min
- Department of Ophthalmology Dong‐A University College of Medicine Busan 49201 Republic of Korea
- Institute of Vision Research Department of Ophthalmology Yonsei University College of Medicine Seoul 03722 Republic of Korea
| | - Longyu Jin
- Department of Ophthalmology Dong‐A University College of Medicine Busan 49201 Republic of Korea
- Department of Ophthalmology Shenzen People's Hospital Shenzen 1017 China
| | - Kye Il Joo
- Department of Chemical Engineering Pohang University of Science and Technology Pohang 37673 Republic of Korea
- Division of Chemical Engineering and Materials Science Ewha Womans University Seoul 03760 Republic of Korea
| | - Woo Chan Park
- Department of Ophthalmology Dong‐A University College of Medicine Busan 49201 Republic of Korea
| | - Hyung Joon Cha
- Department of Chemical Engineering Pohang University of Science and Technology Pohang 37673 Republic of Korea
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28
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Park TY, Maeng SW, Jeon EY, Joo KI, Cha HJ. Adhesive protein-based angiogenesis-mimicking spatiotemporal sequential release of angiogenic factors for functional regenerative medicine. Biomaterials 2021; 272:120774. [PMID: 33798963 DOI: 10.1016/j.biomaterials.2021.120774] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 02/18/2021] [Accepted: 03/21/2021] [Indexed: 01/08/2023]
Abstract
Damaged vascular structures after critical diseases are difficult to completely restore to their original conditions without specific treatments. Thus, therapeutic angiogenesis has been spotlighted as an attractive strategy. However, effective strategies for mimicking angiogenic processes in the body have not yet been developed. In the present work, we developed a bioengineered mussel adhesive protein (MAP)-based novel therapeutic angiogenesis platform capable of spatiotemporally releasing angiogenic growth factors to target disease sites with high viscosity and strong adhesiveness in a mucus-containing environment with curvature. Polycationic MAP formed complex coacervate liquid microdroplets with polyanionic hyaluronic acid and subsequently gelated into microparticles. Platelet-derived growth factor (PDGF), which is a late-phase angiogenic factor, was efficiently encapsulated during the process of coacervate microparticle formation. These PDGF-loaded microparticles were blended with vascular endothelial growth factor (VEGF), which is the initial-phase angiogenic factor, in MAP-based pregel solution and finally crosslinked in situ into a hydrogel at the desired site. The microparticle-based angiogenic-molecule spatiotemporal sequential (MASS) release platform showed good adhesion and underwater durability, and its elasticity was close to that of target tissue. Using two in vivo critical models, i.e., full-thickness excisional wound and myocardial infarction models, the MASS release platform was evaluated for its in vivo feasibility as an angiogenesis-inducing platform and demonstrated effective angiogenesis as well as functional regenerative efficacy. Based on these superior physicochemical characteristics, the developed MASS release platform could be successfully applied in many biomedical practices as a waterproof bioadhesive with the capability for the spatiotemporal delivery of angiogenic molecules in the treatment of ischemic diseases.
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Affiliation(s)
- Tae Yoon Park
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Seong-Woo Maeng
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Eun Young Jeon
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Kye Il Joo
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea; Division of Chemical Engineering and Materials Science, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Hyung Joon Cha
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.
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29
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Lin H, Zheng Z, Yuan J, Zhang C, Cao W, Qin X. Collagen Peptides Derived from Sipunculus nudus Accelerate Wound Healing. Molecules 2021; 26:molecules26051385. [PMID: 33806637 PMCID: PMC7961935 DOI: 10.3390/molecules26051385] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/01/2021] [Accepted: 03/01/2021] [Indexed: 12/13/2022] Open
Abstract
Marine collagen peptides have high potential in promoting skin wound healing. This study aimed to investigate wound healing activity of collagen peptides derived from Sipunculus nudus (SNCP). The effects of SNCP on promoting healing were studied through a whole cortex wound model in mice. Results showed that SNCP consisted of peptides with a molecular weight less than 5 kDa accounted for 81.95%, rich in Gly and Arg. SNCP possessed outstanding capacity to induce human umbilical vein endothelial cells (HUVEC), human immortalized keratinocytes (HaCaT) and human skin fibroblasts (HSF) cells proliferation and migration in vitro. In vivo, SNCP could markedly improve the healing rate and shorten the scab removal time, possessing a scar-free healing effect. Compared with the negative control group, the expression level of tumor necrosis factor-α, interleukin-1β and transforming growth factor-β1 (TGF-β1) in the SNCP group was significantly down-regulated at 7 days post-wounding (p < 0.01). Moreover, the mRNA level of mothers against decapentaplegic homolog 7 (Smad7) in SNCP group was up-regulated (p < 0.01); in contrast, type II TGF-β receptors, collagen I and α-smooth muscle actin were significantly down-regulated at 28 days (p < 0.01). These results indicate that SNCP possessed excellent activity of accelerating wound healing and inhibiting scar formation, and its mechanism was closely related to reducing inflammation, improving collagen deposition and recombination and blockade of the TGF-β/Smads signal pathway. Therefore, SNCP may have promising clinical applications in skin wound repair and scar inhibition.
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Affiliation(s)
- Haisheng Lin
- Key Laboratory of Inshore Resources Biotechnology (Quanzhou Normal University), Fujian Province University, Quanzhou 362000, China;
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China; (Z.Z.); (W.C.); (X.Q.)
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Zhanjiang 524088, China
- Guangdong Province Engineering Laboratory for Marine Biological Products, Zhanjiang 524088, China
- Guangdong Provincial Engineering Technology Research Center of Marine Food, Zhanjiang 524088, China
- Key Laboratory of Advanced Processing of Aquatic Product of Guangdong Higher Education Institu-tion, Zhanjiang 524088, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
| | - Zhihong Zheng
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China; (Z.Z.); (W.C.); (X.Q.)
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Zhanjiang 524088, China
- Guangdong Province Engineering Laboratory for Marine Biological Products, Zhanjiang 524088, China
- Guangdong Provincial Engineering Technology Research Center of Marine Food, Zhanjiang 524088, China
- Key Laboratory of Advanced Processing of Aquatic Product of Guangdong Higher Education Institu-tion, Zhanjiang 524088, China
| | - Jianjun Yuan
- Key Laboratory of Inshore Resources Biotechnology (Quanzhou Normal University), Fujian Province University, Quanzhou 362000, China;
- Correspondence: (J.Y.); (C.Z.); Tel.: +86-15980016199 (J.Y.); +86-13902501963 (C.Z.)
| | - Chaohua Zhang
- Key Laboratory of Inshore Resources Biotechnology (Quanzhou Normal University), Fujian Province University, Quanzhou 362000, China;
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China; (Z.Z.); (W.C.); (X.Q.)
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Zhanjiang 524088, China
- Guangdong Province Engineering Laboratory for Marine Biological Products, Zhanjiang 524088, China
- Guangdong Provincial Engineering Technology Research Center of Marine Food, Zhanjiang 524088, China
- Key Laboratory of Advanced Processing of Aquatic Product of Guangdong Higher Education Institu-tion, Zhanjiang 524088, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
- Correspondence: (J.Y.); (C.Z.); Tel.: +86-15980016199 (J.Y.); +86-13902501963 (C.Z.)
| | - Wenhong Cao
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China; (Z.Z.); (W.C.); (X.Q.)
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Zhanjiang 524088, China
- Guangdong Province Engineering Laboratory for Marine Biological Products, Zhanjiang 524088, China
- Guangdong Provincial Engineering Technology Research Center of Marine Food, Zhanjiang 524088, China
- Key Laboratory of Advanced Processing of Aquatic Product of Guangdong Higher Education Institu-tion, Zhanjiang 524088, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
| | - Xiaoming Qin
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China; (Z.Z.); (W.C.); (X.Q.)
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Zhanjiang 524088, China
- Guangdong Province Engineering Laboratory for Marine Biological Products, Zhanjiang 524088, China
- Guangdong Provincial Engineering Technology Research Center of Marine Food, Zhanjiang 524088, China
- Key Laboratory of Advanced Processing of Aquatic Product of Guangdong Higher Education Institu-tion, Zhanjiang 524088, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
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Li Z, Bratlie KM. Fibroblasts treated with macrophage conditioned medium results in phenotypic shifts and changes in collagen organization. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 122:111915. [PMID: 33641908 DOI: 10.1016/j.msec.2021.111915] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/30/2020] [Accepted: 01/23/2021] [Indexed: 01/08/2023]
Abstract
In tissue regeneration, the goal is to regenerate tissue similar to what was damaged or missing while preventing fibrotic scarring, which may lead to decreased mechanical strength and dissimilar tissue characteristics compared to native tissue. We believe collagen orientation plays a critical role in wound contraction and scarring and that it is modulated by myofibroblasts. We used macrophage conditioned medium to simulate complex events that can influence the fibroblast phenotype during the wound healing process. In addition to examining the effect of macrophage phenotype on fibroblasts, we inhibited focal adhesion kinase (FAK), Rho-associated protein kinase (ROCK), and myosin II for fibroblasts cultured on both tissue culture plastic and methacrylated gellan gum to understand how different pathways and materials influence fibroblast responses. Collagen orientation, α-SMA expression, focal adhesion area, and cell migration were altered by inhibition of FAK, ROCK, or myosin II and macrophage phenotype, along with the substrate. An increase in either focal adhesion area or α-smooth muscle actin (α-SMA) expression correlated with an aligned collagen orientation. Gellan gum hydrogels upregulated α-SMA expression in ROCK inhibited conditioned media and downregulated the FAK area in FAK and ROCK inhibited conditioned media. Myosin II had no impact on the α-SMA expression on the substrate compared to coverslip except for M2 conditioned medium. Gellan gum hydrogel significantly increased cell migration under FAK and Myosin II mediated conditioned media and unconditioned media. Collectively, our study examined how macrophage phenotype influences fibroblast response, which would be beneficial in controlling scar tissue formation.
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Affiliation(s)
- Zhuqing Li
- Department of Materials Science & Engineering, Iowa State University, Ames, IA 50011, USA
| | - Kaitlin M Bratlie
- Department of Materials Science & Engineering, Iowa State University, Ames, IA 50011, USA; Department of Chemical & Biological Engineering, Iowa State University, Ames, IA 50011, USA.
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31
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Stoica AE, Grumezescu AM, Hermenean AO, Andronescu E, Vasile BS. Scar-Free Healing: Current Concepts and Future Perspectives. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2179. [PMID: 33142891 PMCID: PMC7693882 DOI: 10.3390/nano10112179] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 10/15/2020] [Accepted: 10/27/2020] [Indexed: 02/07/2023]
Abstract
Every year, millions of people develop scars due to skin injuries after trauma, surgery, or skin burns. From the beginning of wound healing development, scar hyperplasia, and prolonged healing time in wound healing have been severe problems. Based on the difference between adult and fetal wound healing processes, many promising therapies have been developed to decrease scar formation in skin wounds. Currently, there is no good or reliable therapy to cure or prevent scar formation. This work briefly reviews the engineering methods of scarless wound healing, focusing on regenerative biomaterials and different cytokines, growth factors, and extracellular components in regenerative wound healing to minimize skin damage cell types, and scar formation.
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Affiliation(s)
- Alexandra Elena Stoica
- 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.); (A.M.G.); (E.A.)
- National Research Center for Micro and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania
| | - 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.); (A.M.G.); (E.A.)
| | - Anca Oana Hermenean
- Institute of Life Sciences, Vasile Goldiş Western University of Arad, 310025 Arad, Romania;
| | - Ecaterina Andronescu
- 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.); (A.M.G.); (E.A.)
| | - Bogdan Stefan Vasile
- 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.); (A.M.G.); (E.A.)
- National Research Center for Micro and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania
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32
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Monavarian M, Kader S, Moeinzadeh S, Jabbari E. Regenerative Scar-Free Skin Wound Healing. TISSUE ENGINEERING PART B-REVIEWS 2020; 25:294-311. [PMID: 30938269 DOI: 10.1089/ten.teb.2018.0350] [Citation(s) in RCA: 115] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
IMPACT STATEMENT Millions of people every year develop scars in response to skin injuries after surgery, trauma, or burns with significant undesired physical and psychological effects. This review provides an update on engineering strategies for scar-free wound healing and discusses the role of different cell types, growth factors, cytokines, and extracellular components in regenerative wound healing. The use of pro-regenerative matrices combined with engineered cells with less intrinsic potential for fibrogenesis is a promising strategy for achieving scar-free skin tissue regeneration.
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Affiliation(s)
- Mehri Monavarian
- 1Biomimetic Materials and Tissue Engineering Laboratory, Department of Chemical Engineering, University of South Carolina, Columbia, South Carolina
| | - Safaa Kader
- 1Biomimetic Materials and Tissue Engineering Laboratory, Department of Chemical Engineering, University of South Carolina, Columbia, South Carolina.,2Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina
| | - Seyedsina Moeinzadeh
- 1Biomimetic Materials and Tissue Engineering Laboratory, Department of Chemical Engineering, University of South Carolina, Columbia, South Carolina
| | - Esmaiel Jabbari
- 1Biomimetic Materials and Tissue Engineering Laboratory, Department of Chemical Engineering, University of South Carolina, Columbia, South Carolina
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33
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Kalirajan C, Palanisamy T. Bioengineered Hybrid Collagen Scaffold Tethered with Silver-Catechin Nanocomposite Modulates Angiogenesis and TGF-β Toward Scarless Healing in Chronic Deep Second Degree Infected Burns. Adv Healthc Mater 2020; 9:e2000247. [PMID: 32378364 DOI: 10.1002/adhm.202000247] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 04/19/2020] [Indexed: 12/12/2022]
Abstract
Management of burn wounds with diabetes and microbial infection is challenging in tissue engineering. The delayed wound healing further leads to scar formation in severe burn injury. Herein, a silver-catechin nanocomposite tethered collagen scaffold with angiogenic and antibacterial properties is developed to enable scarless healing in chronic wounds infected with Pseudomonas aeruginosa under diabetic conditions. Histological observations of the granulation tissues collected from an experimental rat model show characteristic structural organizations similar to normal skin, whereas the open wound and pristine collagen scaffold treated animals display elevated dermis with thick epidermal layer and lack of appendages. Epidermal thickness of the hybrid scaffold treated diabetic animals is lowered to 33 ± 2 µm compared to 90 ± 2 µm for pristine collagen scaffold treated groups. Further, the scar elevation index of 1.3 ± 0.1 estimated for the bioengineered scaffold treated diabetic animals is closer to the normal skin. Immunohistochemical analyses provide compelling evidence for the enhanced angiogenesis as well as downregulated transforming growth factor- β1 (TGF-β1) and upregulated TGF-β3 expressions in the hybrid scaffold treated animal groups. The insights from this study endorse the bioengineered collagen scaffolds for applications in tissue regeneration without scar in chronic burn wounds.
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Affiliation(s)
- Cheirmadurai Kalirajan
- Advanced Materials LaboratoryCentral Leather Research Institute (Council of Scientific and Industrial Research) Adyar Chennai 600020 India
- University of Madras Chepauk Chennai 600005 India
| | - Thanikaivelan Palanisamy
- Advanced Materials LaboratoryCentral Leather Research Institute (Council of Scientific and Industrial Research) Adyar Chennai 600020 India
- University of Madras Chepauk Chennai 600005 India
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34
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Park TY, Oh JM, Cho JS, Sim SB, Lee J, Cha HJ. Stem cell-loaded adhesive immiscible liquid for regeneration of myocardial infarction. J Control Release 2020; 321:602-615. [DOI: 10.1016/j.jconrel.2020.02.047] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 02/27/2020] [Accepted: 02/28/2020] [Indexed: 10/24/2022]
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Li Y, Xu T, Tu Z, Dai W, Xue Y, Tang C, Gao W, Mao C, Lei B, Lin C. Bioactive antibacterial silica-based nanocomposites hydrogel scaffolds with high angiogenesis for promoting diabetic wound healing and skin repair. Am J Cancer Res 2020; 10:4929-4943. [PMID: 32308759 PMCID: PMC7163448 DOI: 10.7150/thno.41839] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 03/06/2020] [Indexed: 12/18/2022] Open
Abstract
Diabetic wound repair and skin regeneration remains a worldwide challenge due to the impaired functionality of re-vascularization. Methods: This study reports a bioactive self-healing antibacterial injectable dual-network silica-based nanocomposite hydrogel scaffolds that can significantly enhance the diabetic wound healing/skin tissue formation through promoting early angiogenesis without adding any bioactive factors. The nanocomposite scaffold comprises a main network of polyethylene glycol diacrylate (PEGDA) forming scaffolds, with an auxiliary dynamic network formed between bioactive glass nanoparticles containing copper (BGNC) and sodium alginate (ALG) (PABC scaffolds). Results: PABC scaffolds exhibit the biomimetic elastomeric mechanical properties, excellent injectabilities, self-healing behavior, as well as the robust broad-spectrum antibacterial activity. Importantly, PABC hydrogel significantly promoted the viability, proliferation and angiogenic ability of endothelial progenitor cells (EPCs) in vitro. In vivo, PABC hydrogel could efficiently restore blood vessels networks through enhancing HIF-1α/VEGF expression and collagen matrix deposition in the full-thickness diabetic wound, and significantly accelerate wound healing and skin tissue regeneration. Conclusion: The prominent multifunctional properties and angiogenic capacity of PABC hydrogel scaffolds enable their promising applications in angiogenesis-related regenerative medicine.
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Zhang N, Gao T, Wang Y, Liu J, Zhang J, Yao R, Wu F. Modulating cationicity of chitosan hydrogel to prevent hypertrophic scar formation during wound healing. Int J Biol Macromol 2020; 154:835-843. [PMID: 32194120 DOI: 10.1016/j.ijbiomac.2020.03.161] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 03/16/2020] [Accepted: 03/16/2020] [Indexed: 12/26/2022]
Abstract
It is of great clinical significance to design wound dressing materials with combined excellent wound healing properties and superior capability to suppress hypertrophic scar formation. This study aimed to examine if and how the cationicity of chitosan would affect the hypertrophic scar-related outcomes, through preparing carboxymethyl chitosan hydrogels with different genipin concentrations (2.5%, 5%, 10% and 15%, respectively). An optimum window of chitosan cationicity (5% in our case) demonstrated potential to mitigate hypertrophic scar in wound healing by suppressing the expression of a-smooth muscle actin (a-SMA) and promoting secretion of type I matrix metalloproteinases (MMP-1). In vivo, the CMCS-5% hydrogel again showed smaller, thinner and smoother wound appearance. Moreover, the CMCS-5% sample with additional incorporation of 2% (V/V) Aloe vera gel exhibited further improved performance in scar inhibition. Overall, such findings might have important implications in chitosan-based wound dressing design for high-quality wound repair and effective scar inhibition.
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Affiliation(s)
- Nihui Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China
| | - Tao Gao
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China
| | - Yao Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China
| | - Juan Liu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China
| | - Junwei Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China
| | - Ruijuan Yao
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China
| | - Fang Wu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, PR China.
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Pandey N, Soto-Garcia LF, Liao J, Zimmern P, Nguyen KT, Hong Y. Mussel-inspired bioadhesives in healthcare: design parameters, current trends, and future perspectives. Biomater Sci 2020; 8:1240-1255. [PMID: 31984389 PMCID: PMC7056592 DOI: 10.1039/c9bm01848d] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Mussels are well-known for their extraordinary capacity to adhere onto different surfaces in various hydrophillic conditions. Their unique adhesion ability under water or in wet conditions has generated considerable interest towards developing mussel inspired polymeric systems that can mimic the chemical mechanisms used by mussels for their adhesive properties. Catechols like 3,4-dihydroxy phenylalanine (DOPA) and their biochemical interactions have been largely implicated in mussels' strong adhesion to various substrates and have been the centerpoint of research and development efforts towards creating superior tissue adhesives for surgical and tissue engineering applications. In this article, we review bioadhesion and adhesives from an engineering standpoint, specifically the requirements of a good tissue glue, the relevance that DOPA and other catechols have in tissue adhesion, current trends in mussel-inspired bioadhesives, strategies to develop mussel-inspired tissue glues, and perspectives for future development of these materials.
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Affiliation(s)
- Nikhil Pandey
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
| | - Luis F. Soto-Garcia
- 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
| | - 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
| | - Yi Hong
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
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38
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Ma M, Zhong Y, Jiang X. Thermosensitive and pH-responsive tannin-containing hydroxypropyl chitin hydrogel with long-lasting antibacterial activity for wound healing. Carbohydr Polym 2020; 236:116096. [PMID: 32172898 DOI: 10.1016/j.carbpol.2020.116096] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 01/02/2020] [Accepted: 02/28/2020] [Indexed: 12/20/2022]
Abstract
Polysaccharide hydrogels have been widely used as wound dressings because of their biocompatibility and ability to provide moist environment for wound healing. However, bacterial infection often delays the healing process. Herein, a novel thermosensitive and pH-sensitive hydroxypropyl chitin/tannic acid/ferric ion (HPCH/TA/Fe) composite hydrogel was fabricated by a simple assembly. The pre-cooled hydrogel precursor solution can be injected onto the irregular wound area and gel rapidly at physiological temperature. The TA not only acted as a crosslinker to enhance mechanical properties of the hydrogel, but also as an antibacterial agent which could be sustainably released in response to the acidic environment. The composite hydrogel showed excellent broad-spectrum antibacterial activity up to 7 days with negligible cytotoxicity. Moreover, the hydrogel can inhibit bacterial infection and accelerate the wound healing process without scars in the mouse experiment. These results indicate the potential application of this composite hydrogel for the infected wound healing.
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Affiliation(s)
- Mengsi Ma
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, PR China.
| | - Yalan Zhong
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, PR China.
| | - Xulin Jiang
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, PR China.
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39
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Sapru S, Das S, Mandal M, Ghosh AK, Kundu SC. Nonmulberry silk protein sericin blend hydrogels for skin tissue regeneration - in vitro and in vivo. Int J Biol Macromol 2019; 137:545-553. [DOI: 10.1016/j.ijbiomac.2019.06.121] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 05/15/2019] [Accepted: 06/17/2019] [Indexed: 12/30/2022]
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40
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Goldbloom-Helzner L, Hao D, Wang A. Developing Regenerative Treatments for Developmental Defects, Injuries, and Diseases Using Extracellular Matrix Collagen-Targeting Peptides. Int J Mol Sci 2019; 20:E4072. [PMID: 31438477 PMCID: PMC6747276 DOI: 10.3390/ijms20174072] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 08/19/2019] [Accepted: 08/20/2019] [Indexed: 12/11/2022] Open
Abstract
Collagen is the most widespread extracellular matrix (ECM) protein in the body and is important in maintaining the functionality of organs and tissues. Studies have explored interventions using collagen-targeting tissue engineered techniques, using collagen hybridizing or collagen binding peptides, to target or treat dysregulated or injured collagen in developmental defects, injuries, and diseases. Researchers have used collagen-targeting peptides to deliver growth factors, drugs, and genetic materials, to develop bioactive surfaces, and to detect the distribution and status of collagen. All of these approaches have been used for various regenerative medicine applications, including neovascularization, wound healing, and tissue regeneration. In this review, we describe in depth the collagen-targeting approaches for regenerative therapeutics and compare the benefits of using the different molecules for various present and future applications.
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Affiliation(s)
- Leora Goldbloom-Helzner
- Surgical Bioengineering Laboratory, Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA
- Department of Biomedical Engineering, University of California Davis, Davis, CA 95616, USA
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA 95817, USA
| | - Dake Hao
- Surgical Bioengineering Laboratory, Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA
- Department of Biomedical Engineering, University of California Davis, Davis, CA 95616, USA
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA 95817, USA
| | - Aijun Wang
- Surgical Bioengineering Laboratory, Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA.
- Department of Biomedical Engineering, University of California Davis, Davis, CA 95616, USA.
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA 95817, USA.
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41
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Jeon EY, Lee J, Kim BJ, Joo KI, Kim KH, Lim G, Cha HJ. Bio-inspired swellable hydrogel-forming double-layered adhesive microneedle protein patch for regenerative internal/external surgical closure. Biomaterials 2019; 222:119439. [PMID: 31465886 DOI: 10.1016/j.biomaterials.2019.119439] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 08/17/2019] [Accepted: 08/17/2019] [Indexed: 12/21/2022]
Abstract
Significant tissue damage, scarring, and an intense inflammatory response remain the greatest concerns for conventional wound closure options, including sutures and staples. In particular, wound closure in internal organs poses major clinical challenges due to air/fluid leakage, local ischemia, and subsequent impairment of healing. Herein, to overcome these limitations, inspired by endoparasites that swell their proboscis to anchor to host's intestines, we developed a hydrogel-forming double-layered adhesive microneedle (MN) patch consisting of a swellable mussel adhesive protein (MAP)-based shell and a non-swellable silk fibroin (SF)-based core. By possessing tissue insertion capability (7-times greater than the force for porcine skin penetration), MAP-derived surface adhesion, and selective swelling-mediated physical entanglement, our hydrogel-forming adhesive MN patch achieved ex vivo superior wound sealing capacity against luminal leaks (139.7 ± 14.1 mmHg), which was comparable to suture (151.0 ± 23.3 mmHg), as well as in vivo excellent performance for wet and/or dynamic external and internal tissues. Collectively, our bioinspired adhesive MN patch can be successfully used in diverse practical applications ranging from vascular and gastrointestinal wound healing to transdermal delivery for pro-regenerative or anti-inflammatory agents to target tissues.
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Affiliation(s)
- Eun Young Jeon
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, South Korea
| | - Jungho Lee
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, South Korea
| | - Bum Ju Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, South Korea
| | - Kye Il Joo
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, South Korea
| | - Ki Hean Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, South Korea
| | - Geunbae Lim
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, South Korea.
| | - Hyung Joon Cha
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, South Korea.
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Puertas-Bartolomé M, Benito-Garzón L, Fung S, Kohn J, Vázquez-Lasa B, San Román J. Bioadhesive functional hydrogels: Controlled release of catechol species with antioxidant and antiinflammatory behavior. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110040. [PMID: 31546368 DOI: 10.1016/j.msec.2019.110040] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 07/22/2019] [Accepted: 07/30/2019] [Indexed: 12/13/2022]
Abstract
Chronic wounds are particularly difficult to heal and constitute an important global health care problem. Some key factors that make chronic wounds challenging to heal are attributed to the incessant release of free radicals, which activate the inflammatory system and impair the repair of the wound. Intrinsic characteristics of hydrogels are beneficial for wound healing, but the effective control of free radical levels in the wound and subsequent inflammation is still a challenge. Catechol, the key molecule responsible for the mechanism of adhesion of mussels, has been proven to be an excellent radical scavenger and anti-inflammatory agent. Our approach in this work lies in the preparation of a hybrid system combining the beneficial properties of hydrogels and catechol for its application as a bioactive wound dressing to assist in the treatment of chronic wounds. The hydrogel backbone is obtained through a self-covalent crosslinking between chitosan (Ch) and oxidized hyaluronic acid (HAox) in the presence of a synthetic catechol terpolymer, which is subsequently coordinated to Fe to obtain an interpenetrated polymer network (IPN). The structural analysis, catechol release profiles, in vitro biological behavior and in vivo performance of the IPN are analyzed and compared with the semi-IPN (without Fe) and the Ch/HAox crosslinked hydrogels as controls. Catechol-containing hydrogels present high tissue adhesion strength under wet conditions, support growth, migration and proliferation of hBMSCs, protect cells against oxidative stress damage induce by ROS, and promote down-regulation of the pro-inflammatory cytokine IL-1β. Furthermore, in vivo experiments reveal their biocompatibility and stability, and histological studies indicate normal inflammatory responses and faster vascularization, highlighting the performance of the IPN system. The novel IPN design also allows for the in situ controlled and sustained delivery of catechol. Therefore, the developed IPN is a suitable ECM-mimic platform with high cell affinity and bioactive functionalities that, together with the controlled catechol release, will enhance the tissue regeneration process and has a great potential for its application as wound dressing.
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Affiliation(s)
- María Puertas-Bartolomé
- Institute of Polymer Science and Technology, ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain; CIBER-BBN, Institute of Health Carlos III, Monforte de Lemos 3-5 (11), 28029 Madrid, Spain
| | | | - Stephanie Fung
- Rutgers University, New Jersey Center for Biomaterials, 08854 Piscataway, NJ, USA
| | - Joachim Kohn
- Rutgers University, New Jersey Center for Biomaterials, 08854 Piscataway, NJ, USA
| | - Blanca Vázquez-Lasa
- Institute of Polymer Science and Technology, ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain; CIBER-BBN, Institute of Health Carlos III, Monforte de Lemos 3-5 (11), 28029 Madrid, Spain.
| | - Julio San Román
- Institute of Polymer Science and Technology, ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain; CIBER-BBN, Institute of Health Carlos III, Monforte de Lemos 3-5 (11), 28029 Madrid, Spain
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43
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Park U, Lee MS, Jeon J, Lee S, Hwang MP, Wang Y, Yang HS, Kim K. Coacervate-mediated exogenous growth factor delivery for scarless skin regeneration. Acta Biomater 2019; 90:179-191. [PMID: 30936036 DOI: 10.1016/j.actbio.2019.03.052] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 03/12/2019] [Accepted: 03/25/2019] [Indexed: 11/19/2022]
Abstract
Although there are numerous medical applications to recover damaged skin tissue, scarless wound healing is being extensively investigated to provide a better therapeutic outcome. The exogenous delivery of therapeutic growth factors (GFs) is one of the engineering strategies for skin regeneration. This study presents an exogenous GF delivery platform developed using coacervates (Coa), a tertiary complex of poly(ethylene argininyl aspartate diglyceride) (PEAD) polycation, heparin, and cargo GFs (i.e., transforming growth factor beta 3 (TGF-β3) and interleukin 10 (IL-10)). Coa encompasses the advantage of high biocompatibility, facile preparation, protection of cargo GFs, and sustained GF release. We therefore speculated that coacervate-mediated dual delivery of TGF-β3/IL-10 would exhibit synergistic effects for the reduction of scar formation during physiological wound healing. Our results indicate that the exogenous administration of dual GF via Coa enhances the proliferation and migration of skin-related cells. Gene expression profiles using RT-PCR revealed up-regulation of ECM formation at early stage of wound healing and down-regulation of scar-related genes at later stages. Furthermore, direct injection of the dual GF Coa into the edges of damaged skin in a rat skin wound defect model demonstrated accelerated wound closure and skin regeneration after 3 weeks. Histological evaluation and immunohistochemical staining also revealed enhanced formation of the epidermal layer along with facilitated angiogenesis following dual GF Coa delivery. Based on these results, we conclude that polycation-mediated Coa fabrication and exogenous dual GF delivery via the Coa platform effectively augments both the quantity and quality of regenerated skin tissues without scar formation. STATEMENT OF SIGNIFICANCE: This study was conducted to develop a simple administration platform for scarless skin regeneration using polycation-based coacervates with dual GFs. Both in vitro and in vivo studies were performed to confirm the therapeutic efficacy of this platform toward scarless wound healing. Our results demonstrate that the platform developed by us enhances the proliferation and migration of skin-related cells. Sequential modulation in various gene expression profiles suggests a balanced collagen-remodeling process by dual GFs. Furthermore, in vivo histological evaluation demonstrates that our technique enhances clear epidermis formation with less scab and thicker woven structure of collagen bundle, similar to that of a normal tissue. We propose that simple administration of dual GFs with Coa has the potential to be applied as a clinical approach for fundamental scarless skin regeneration.
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Affiliation(s)
- Uiseon Park
- Division of Bioengineering, Incheon National University, Incheon, Republic of Korea
| | - Min Suk Lee
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
| | - Jin Jeon
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
| | - Sangmin Lee
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Mintai P Hwang
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Yadong Wang
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Hee Seok Yang
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea.
| | - Kyobum Kim
- Division of Bioengineering, Incheon National University, Incheon, Republic of Korea.
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Cheong H, Kim J, Kim BJ, Kim E, Park HY, Choi BH, Joo KI, Cho ML, Rhie JW, Lee JI, Cha HJ. Multi-dimensional bioinspired tactics using an engineered mussel protein glue-based nanofiber conduit for accelerated functional nerve regeneration. Acta Biomater 2019; 90:87-99. [PMID: 30978510 DOI: 10.1016/j.actbio.2019.04.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Revised: 04/03/2019] [Accepted: 04/04/2019] [Indexed: 12/16/2022]
Abstract
Limited regenerative capacity of the nervous system makes treating traumatic nerve injuries with conventional polymer-based nerve grafting a challenging task. Consequently, utilizing natural polymers and biomimetic topologies became obvious strategies for nerve conduit designs. As a bioinspired natural polymer from a marine organism, mussel adhesive proteins (MAPs) fused with biofunctional peptides from extracellular matrix (ECM) were engineered for accelerated nerve regeneration by enhancing cell adhesion, proliferation, neural differentiation, and neurite formation. To physically promote contact guidance of neural and Schwann cells and to achieve guided nerve regeneration, MAP was fabricated into an electrospun aligned nanofiber conduit by introducing synthetic polymer poly(lactic-co-glycolic acid) (PLGA) to control solubility and mechanical property. In vitro and in vivo experiments demonstrated that the multi-dimensional tactics of combining adhesiveness from MAP, integrin-mediated interaction from ECM peptides (in particular, IKVAV derived from laminin α1 chain), and contact guidance from aligned nanofibers synergistically accelerated functional nerve regeneration. Thus, MAP-based multi-dimensional approach provides new opportunities for neural regenerative applications including nerve grafting. STATEMENT OF SIGNIFICANCE: Findings in neural regeneration indicate that a bioinspired polymer-based nerve conduit design should harmoniously constitute various factors, such as biocompatibility, neurotrophic molecule, biodegradability, and contact guidance. Here, we engineered three fusion proteins of mussel-derived adhesive protein with ECM-derived biofunctional peptides to simultaneously provide biocompatibility and integrin-based interactions. In addition, a fabrication of robust aligned nanofiber conduits containing the fusion proteins realized suitable biodegradability and contact guidance. Thus, our multi-dimensional strategy on conduit design provided outstanding biocompatibility, biodegradability, integrin-interaction, and contact guidance to achieve an accelerated functional nerve regeneration. We believe that our bioengineered mussel adhesive protein-based multi-dimensional strategy would offer new insights into the design of nerve tissue engineering biomaterials.
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Demina NB, Chernova LV, Kozlova ZM. [Application of adhesive compositions in surgery (in Russian only)]. Khirurgiia (Mosk) 2019:129-134. [PMID: 30938368 DOI: 10.17116/hirurgia2019031129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
New adhesive compositions will almost completely prevent leakage of surgical sutures and undue tissue damage, improve healing and postoperative rehabilitation. At present time there is no universal type of bioadhesives that is suitable for all tissues and types of sutures because of various surgeries and their specificity. The article describes the advantages and disadvantages of all common types of bioadhesives, as well as the ways to overcome their disadvantages.
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Affiliation(s)
- N B Demina
- Institute of Pharmacy of Sechenov First State Medical University, Moscow, Russia, Chair of Pharmaceutical Technology, Moscow, Russia
| | - L V Chernova
- Institute of Pharmacy of Sechenov First State Medical University, Moscow, Russia, Chair of Pharmaceutical Technology, Moscow, Russia
| | - Zh M Kozlova
- Institute of Pharmacy of Sechenov First State Medical University, Moscow, Russia, Chair of Pharmaceutical Technology, Moscow, Russia
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46
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Han K, Park TY, Yong K, Cha HJ. Combinational Biomimicking of Lotus Leaf, Mussel, and Sandcastle Worm for Robust Superhydrophobic Surfaces with Biomedical Multifunctionality: Antithrombotic, Antibiofouling, and Tissue Closure Capabilities. ACS APPLIED MATERIALS & INTERFACES 2019; 11:9777-9785. [PMID: 30785265 DOI: 10.1021/acsami.8b21122] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Surface wetting occurring in daily life causes undesired contaminations, which are critical issues in various fields. To solve these problems, the nonwetting property of a superhydrophobic (SH) surface has proven its utility by preventing contaminant infiltration, serious infections, or malfunction. However, the application of SH surfaces in the biomedical field has been limited due to the weak durability and toxicity of the related components. To overcome these limitations, we developed a robust and biocompatible SH surface through combinational biomimicking of three natural organisms, lotus leaf, mussel, and sandcastle worm, for the first time. Using the water-immiscible and polycationic characteristics of mussel adhesive protein (iMglue), an SH iMglue-SiO2(TiO2/SiO2)2 coating was fabricated by solution-based electrical charge-controlled layer-by-layer growth of nanoparticles (NPs). The fabricated iMglue-SiO2(TiO2/SiO2)2 SH surface showed excellent durable nonwetting properties and was applied to an intracatheter tube coating to develop antithrombotic catheters under blood flow. Furthermore, we developed a iMglue-employed SH patch for a tissue closure bandage by spraying hydrophobic SiO2 NPs on the iMglue-covered cotton pads. The prepared iMglue-employing SH patch showed perfect bifunctionality with excellent antibiofouling and tissue closure capabilities. Our work presents a novel, useful strategy for fabricating a biomedically multifunctional, robust SH surface through combinational mimicking of natural organisms.
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Affiliation(s)
- Kiduk Han
- Department of Chemical Engineering , Pohang University of Science and Technology , Pohang 37673 , Korea
| | - Tae Yoon Park
- Department of Chemical Engineering , Pohang University of Science and Technology , Pohang 37673 , Korea
| | - Kijung Yong
- Department of Chemical Engineering , Pohang University of Science and Technology , Pohang 37673 , Korea
| | - Hyung Joon Cha
- Department of Chemical Engineering , Pohang University of Science and Technology , Pohang 37673 , Korea
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Fernández Robledo JA, Yadavalli R, Allam B, Pales Espinosa E, Gerdol M, Greco S, Stevick RJ, Gómez-Chiarri M, Zhang Y, Heil CA, Tracy AN, Bishop-Bailey D, Metzger MJ. From the raw bar to the bench: Bivalves as models for human health. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2019; 92:260-282. [PMID: 30503358 PMCID: PMC6511260 DOI: 10.1016/j.dci.2018.11.020] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 11/09/2018] [Accepted: 11/24/2018] [Indexed: 05/05/2023]
Abstract
Bivalves, from raw oysters to steamed clams, are popular choices among seafood lovers and once limited to the coastal areas. The rapid growth of the aquaculture industry and improvement in the preservation and transport of seafood have enabled them to be readily available anywhere in the world. Over the years, oysters, mussels, scallops, and clams have been the focus of research for improving the production, managing resources, and investigating basic biological and ecological questions. During this decade, an impressive amount of information using high-throughput genomic, transcriptomic and proteomic technologies has been produced in various classes of the Mollusca group, and it is anticipated that basic and applied research will significantly benefit from this resource. One aspect that is also taking momentum is the use of bivalves as a model system for human health. In this review, we highlight some of the aspects of the biology of bivalves that have direct implications in human health including the shell formation, stem cells and cell differentiation, the ability to fight opportunistic and specific pathogens in the absence of adaptive immunity, as source of alternative drugs, mucosal immunity and, microbiome turnover, toxicology, and cancer research. There is still a long way to go; however, the next time you order a dozen oysters at your favorite raw bar, think about a tasty model organism that will not only please your palate but also help unlock multiple aspects of molluscan biology and improve human health.
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Affiliation(s)
| | | | - Bassem Allam
- Stony Brook University, School of Marine and Atmospheric Sciences, Stony Brook, NY, 11794, USA
| | | | - Marco Gerdol
- University of Trieste, Department of Life Sciences, 34127, Trieste, Italy
| | - Samuele Greco
- University of Trieste, Department of Life Sciences, 34127, Trieste, Italy
| | - Rebecca J Stevick
- University of Rhode Island, Graduate School of Oceanography, Narragansett, RI, 02882, USA
| | - Marta Gómez-Chiarri
- University of Rhode Island, Department of Fisheries, Animal and Veterinary Science, Kingston, RI, 02881, USA
| | - Ying Zhang
- University of Rhode Island, Department of Cell and Molecular Biology, Kingston, RI, 02881, USA
| | - Cynthia A Heil
- Bigelow Laboratory for Ocean Sciences, East Boothbay, ME, 04544, USA
| | - Adrienne N Tracy
- Bigelow Laboratory for Ocean Sciences, East Boothbay, ME, 04544, USA; Colby College, Waterville, 4,000 Mayflower Hill Dr, ME, 04901, USA
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48
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Jahangirian H, Lemraski EG, Rafiee-Moghaddam R, Webster TJ. A review of using green chemistry methods for biomaterials in tissue engineering. Int J Nanomedicine 2018; 13:5953-5969. [PMID: 30323585 PMCID: PMC6177385 DOI: 10.2147/ijn.s163399] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Although environmentally safe, or green, technologies have revolutionized other fields (such as consumables, automobiles, etc.), its use in biomaterials is still at its infancy. However, in the few cases in which safe manufacturing technology and materials have been implemented to prevent postpollution and reduce the consumption of synthesized scaffold (such as bone, cartilage, blood cell, nerve, skin, and muscle) has had a significant impact on different applications of tissue engineering. In the present research, we report the use of biological materials as templates for preparing different kinds of tissues and the application of safe green methods in tissue engineering technology. These include green methods for bone and tissue engineering-based biomaterials, which have received the greatest amount of citations in recent years. Thoughts on what is needed for this field to grow are also critically included. In this paper, the impending applications of safe, ecofriendly materials and green methods in tissue engineering have been detailed.
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Affiliation(s)
- Hossein Jahangirian
- Department of Chemical Engineering, Northeastern University, Boston, MA, USA,
| | | | | | - Thomas J Webster
- Department of Chemical Engineering, Northeastern University, Boston, MA, USA,
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49
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Qiang W, Zhou T, Lan X, Zhang X, Guo Y, Noman M, Du L, Zheng J, Li W, Li H, Lu Y, Wang H, Guan L, Zhang L, Li X, Yang J, Li H. A new nanoscale transdermal drug delivery system: oil body-linked oleosin-hEGF improves skin regeneration to accelerate wound healing. J Nanobiotechnology 2018; 16:62. [PMID: 30165861 PMCID: PMC6116364 DOI: 10.1186/s12951-018-0387-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 07/28/2018] [Indexed: 11/23/2022] Open
Abstract
Background Epidermal growth factor (EGF) can promote cell proliferation as well as migration, which is feasible in tissue wound healing. Oil bodies have been exploited as an important platform to produce exogenous proteins. The exogenous proteins were expressed in oil bodies from plant seeds. The process can reduce purification steps, thereby significantly reducing the purification cost. Mostly, the diameter of oil body particle ranges between 1.0 and 1.5 µm in the safflower seeds, however, it reduces to 700–1000 nm in the transgenic safflower seeds. The significant reduction of particle size in transgenic seeds is extremely beneficial to skin absorption. Results The diameter of oil body in the transgenic safflower seeds was recorded in the range of 700–1000 nm. The smaller particle size improved their skin absorption. The expression level of oleosin-hEGF-hEGF in T3 transgenic seeds was highest at 69.32 mg/g of seeds. The oil body expressing oleosin-hEGF-hEGF had significant proliferative activity on NIH/3T3 cells and improved skin regeneration thereby accelerating wound healing in rats. The wound coverage rate exceeded 98% after treatment for 14 days with oil body expressing oleosin-hEGF-hEGF, while the saline without EGF group and wild type oil body group both showed less than 80%. The neonatal fibroblast and collagen were found to be increased in the safflower oil body expressing oleosin-hEGF-hEGF treatment group. TGF-β1, bFGF and VEGF were noted as important growth factors in the repair of cutaneous wounds. Their expression level increased after 4 and 7 day treatment, but decreased after 14 days. Therefore, it can promote skin regeneration to accelerate wounds healing. Conclusions The expression of oleosin-hEGF-hEGF in T3 transgenic seeds was 80.43 ng/μL oil body. It had significant proliferative activity on NIH/3T3 cells and improved skin regeneration to accelerate wound healing in rats. The expression process of TGF-β1, bFGF and VEGF increased at first and then gradually declined. Electronic supplementary material The online version of this article (10.1186/s12951-018-0387-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Weidong Qiang
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China
| | - Tingting Zhou
- Jilin KingMed Center for Clinical Laboratory Co., Ltd, Changchun, 130000, China
| | - Xinxin Lan
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China
| | - Xiaomei Zhang
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China
| | - Yongxin Guo
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China
| | - Muhammad Noman
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China
| | - Linna Du
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China
| | - Jie Zheng
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China
| | - Wenqing Li
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China
| | - Haoyang Li
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China
| | - Yubin Lu
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China
| | - Hongyu Wang
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China
| | - Lili Guan
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China
| | - Linbo Zhang
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China
| | - Xiaokun Li
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China.
| | - Jing Yang
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China.
| | - Haiyan Li
- College of Life Science, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, 130118, China.
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50
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Puertas-Bartolomé M, Vázquez-Lasa B, San Román J. Bioactive and Bioadhesive Catechol Conjugated Polymers for Tissue Regeneration. Polymers (Basel) 2018; 10:polym10070768. [PMID: 30960693 PMCID: PMC6403640 DOI: 10.3390/polym10070768] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 07/03/2018] [Accepted: 07/11/2018] [Indexed: 01/12/2023] Open
Abstract
The effective treatment of chronic wounds constitutes one of the most common worldwide healthcare problem due to the presence of high levels of proteases, free radicals and exudates in the wound, which constantly activate the inflammatory system, avoiding tissue regeneration. In this study, we describe a multifunctional bioactive and resorbable membrane with in-built antioxidant agent catechol for the continuous quenching of free radicals as well as to control inflammatory response, helping to promote the wound-healing process. This natural polyphenol (catechol) is the key molecule responsible for the mechanism of adhesion of mussels providing also the functionalized polymer with bioadhesion in the moist environment of the human body. To reach that goal, synthesized statistical copolymers of N-vinylcaprolactam (V) and 2-hydroxyethyl methacrylate (H) have been conjugated with catechol bearing hydrocaffeic acid (HCA) molecules with high yields. The system has demonstrated good biocompatibility, a sustained antioxidant response, an anti-inflammatory effect, an ultraviolet (UV) screen, and bioadhesion to porcine skin, all of these been key features in the wound-healing process. Therefore, these novel mussel-inspired materials have an enormous potential for application and can act very positively, favoring and promoting the healing effect in chronic wounds.
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Affiliation(s)
- María Puertas-Bartolomé
- Institute of Polymer Science and Technology, ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain.
- CIBER's Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Health Institute Carlos III, C/Monforte de Lemos 3-5, Pabellón 11, 28029 Madrid, Spain.
| | - Blanca Vázquez-Lasa
- Institute of Polymer Science and Technology, ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain.
- CIBER's Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Health Institute Carlos III, C/Monforte de Lemos 3-5, Pabellón 11, 28029 Madrid, Spain.
| | - Julio San Román
- Institute of Polymer Science and Technology, ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain.
- CIBER's Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Health Institute Carlos III, C/Monforte de Lemos 3-5, Pabellón 11, 28029 Madrid, Spain.
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