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Yuan Z, Zhang L, Shafiq M, Wang X, Cai P, Hafeez A, Ding Y, Wang Z, El-Newehy M, Meera Moydeen Abdulhameed, Jiang L, Mo X, Xu Y. Composite superplastic aerogel scaffolds containing dopamine and bioactive glass-based fibers for skin and bone tissue regeneration. J Colloid Interface Sci 2024; 673:411-425. [PMID: 38878375 DOI: 10.1016/j.jcis.2024.06.098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 07/26/2024]
Abstract
Multifunctional bioactive biomaterials with integrated bone and soft tissue regenerability hold great promise for the regeneration of trauma-affected skin and bone defects. The aim of this research was to fabricate aerogel scaffolds (GD-BF) by blending the appropriate proportions of short bioactive glass fiber (BGF), gelatin (Gel), and dopamine (DA). Electrospun polyvinyl pyrrolidone (PVP)-BGF fibers were converted into short BGF through calcination and homogenization. Microporous GD-BF scaffolds displayed good elastic deformation recovery and promoted neo-tissue formation. The DA could enable thermal crosslinking and enhance the mechanical properties and structural stability of the GD-BF scaffolds. The BGF-mediated release of therapeutic ions shorten hemostatic time (<30 s) in a rat tail amputation model and a rabbit artery injury model alongside inducing the regeneration of skin appendages (e.g., blood vessels, glands, etc.) in a full-thickness excisional defect model in rats (percentage wound closure: GD-BF2, 98 % vs. control group, 83 %) at day 14 in vitro. Taken together, these aerogel scaffolds may have significant promise for soft and hard tissue repair, which may also be worthy for the other related disciplines.
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Affiliation(s)
- Zhengchao Yuan
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University, No. 183, Xinqiao Street, Shapingba District, Chongqing 400037, China; State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Songjiang, Shanghai 201600, PR China
| | - Lixiang Zhang
- Department of Health Management, Characteristic Medical Center of Chinese People's Armed Police Force, 220 Chenglin Road, Hedong District, Tianjin, China
| | - Muhammad Shafiq
- Innovation Center of Nanomedicine, Kawasaki Institute of Industrial Promotion, Kawasaki, Kanagawa 210-0821, Japan
| | - Xinyi Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Songjiang, Shanghai 201600, PR China
| | - Pengfei Cai
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Songjiang, Shanghai 201600, PR China
| | - Abdul Hafeez
- Department of Mechanical Engineering, Faculty of Engineering, University of Engineering & Technology (UET), Lahore 54000, Pakistan
| | - Yangfan Ding
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Songjiang, Shanghai 201600, PR China
| | - Zewen Wang
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University, No. 183, Xinqiao Street, Shapingba District, Chongqing 400037, China
| | - Mohamed El-Newehy
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Meera Moydeen Abdulhameed
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Lianyong Jiang
- Department of Cardiothoracic Surgery, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Xiumei Mo
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Songjiang, Shanghai 201600, PR China.
| | - Yuan Xu
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University, No. 183, Xinqiao Street, Shapingba District, Chongqing 400037, China.
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Xue H, Chen S, Hu Y, Huang J, Shen Y. Advances in 3D printing for the repair of tympanic membrane perforation: a comprehensive review. Front Bioeng Biotechnol 2024; 12:1439499. [PMID: 39188376 PMCID: PMC11345550 DOI: 10.3389/fbioe.2024.1439499] [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: 05/28/2024] [Accepted: 07/19/2024] [Indexed: 08/28/2024] Open
Abstract
Tympanic membrane perforation (TMP) is one of the most common conditions in otolaryngology worldwide, and hearing damage caused by inadequate or prolonged healing can be distressing for patients. This article examines the rationale for utilizing three-dimensional (3D) printing to produce scaffolds for repairing TMP, compares the advantages and disadvantages of 3D printed and bioprinted grafts with traditional autologous materials and other tissue engineering materials in TMP repair, and highlights the practical and clinical significance of 3D printing in TMP repair while discussing the current progress and promising future of 3D printing and bioprinting. There is a limited number of reviews specifically dedicated to 3D printing for TMP repair. The majority of reviews offer a general overview of the applications of 3D printing in the broader realm of tissue regeneration, with some mention of TMP repair. Alternatively, they explore the biopolymers, cells, and drug molecules utilized for TMP repair. However, more in-depth analysis is needed on the strategies for selecting bio-inks that integrate biopolymers, cells, and drug molecules for tympanic membrane repair.
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Affiliation(s)
- Hao Xue
- Ningbo Institute of Innovation for Combined Medicine and Engineering, The Affiliated Lihuili Hospital of Ningbo University, Ningbo, Zhejiang, China
- School of Medicine, Ningbo University, Ningbo, Zhejiang, China
| | - Shengjia Chen
- Ningbo Institute of Innovation for Combined Medicine and Engineering, The Affiliated Lihuili Hospital of Ningbo University, Ningbo, Zhejiang, China
- School of Medicine, Ningbo University, Ningbo, Zhejiang, China
| | - Yi Hu
- Ningbo Institute of Innovation for Combined Medicine and Engineering, The Affiliated Lihuili Hospital of Ningbo University, Ningbo, Zhejiang, China
| | - Juntao Huang
- Ningbo Institute of Innovation for Combined Medicine and Engineering, The Affiliated Lihuili Hospital of Ningbo University, Ningbo, Zhejiang, China
| | - Yi Shen
- Ningbo Institute of Innovation for Combined Medicine and Engineering, The Affiliated Lihuili Hospital of Ningbo University, Ningbo, Zhejiang, China
- School of Medicine, Ningbo University, Ningbo, Zhejiang, China
- Centre for Medical Research, Ningbo No.2 Hospital, Ningbo, Zhejiang, China
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McLoughlin ST, Wilcox P, Han S, Caccamese JF, Fisher JP. Comparison of cation and anion-mediated resolution enhancement of bioprinted hydrogels for membranous tissue fabrication. J Biomed Mater Res A 2024. [PMID: 39101685 DOI: 10.1002/jbm.a.37783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 06/13/2024] [Accepted: 07/23/2024] [Indexed: 08/06/2024]
Abstract
Fabrication of engineered thin membranous tissues (TMTs) presents a significant challenge to researchers, as these structures are small in scale, but present complex anatomies containing multiple stratified cell layers. While numerous methodologies exist to fabricate such tissues, many are limited by poor mechanical properties, need for post-fabrication, or lack of cytocompatibility. Extrusion bioprinting can address these issues, but lacks the resolution necessary to generate biomimetic, microscale TMT structures. Therefore, our goal was to develop a strategy that enhances bioprinting resolution below its traditional limit of 150 μm and delivers a viable cell population. We have generated a system to effectively shrink printed gels via electrostatic interactions between anionic and cationic polymers. Base hydrogels are composed of gelatin methacrylate type A (cationic), or B (anionic) treated with anionic alginate, and cationic poly-L-lysine, respectively. Through a complex coacervation-like mechanism, the charges attract, causing compaction of the base GelMA network, leading to reduced sample dimensions. In this work, we evaluate the role of both base hydrogel and shrinking polymer charge on effective print resolution and cell viability. The alginate anion-mediated system demonstrated the ability to reach bioprinting resolutions of 70 μm, while maintaining a viable cell population. To our knowledge, this is the first study that has produced such significant enhancement in extrusion bioprinting capabilities, while also remaining cytocompatible.
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Affiliation(s)
- Shannon T McLoughlin
- Fischell Department of Bioengineering, University of Maryland, College Park, Maryland, USA
- Center for Engineering Complex Tissues, University of Maryland, College Park, Maryland, USA
| | - Paige Wilcox
- Center for Engineering Complex Tissues, University of Maryland, College Park, Maryland, USA
- Department of Chemical and Biomolecular Engineering, University of Maryland, College Park, Maryland, USA
| | - Sarang Han
- Fischell Department of Bioengineering, University of Maryland, College Park, Maryland, USA
- Center for Engineering Complex Tissues, University of Maryland, College Park, Maryland, USA
| | - John F Caccamese
- Department of Oral and Maxillofacial Surgery, University of Maryland School of Dentistry, University of Maryland Medical Center, Baltimore, Maryland, USA
| | - John P Fisher
- Fischell Department of Bioengineering, University of Maryland, College Park, Maryland, USA
- Center for Engineering Complex Tissues, University of Maryland, College Park, Maryland, USA
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Park HW, Lee CE, Kim S, Jeong WJ, Kim K. Ex Vivo Peptide Decoration Strategies on Stem Cell Surfaces for Augmenting Endothelium Interaction. TISSUE ENGINEERING. PART B, REVIEWS 2024; 30:327-339. [PMID: 37830185 DOI: 10.1089/ten.teb.2023.0210] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
Ischemic vascular diseases remain leading causes of disability and death. Although various clinical therapies have been tried, reperfusion injury is a major issue, occurring when blood recirculates at the damaged lesion. As an alternative approach, cell-based therapy has emerged. Mesenchymal stem cells (MSCs) are attractive cellular candidates due to their therapeutic capacities, including differentiation, safety, angiogenesis, and tissue repair. However, low levels of receptors/ligands limit targeted migration of stem cells. Thus, it is important to improve homing efficacy of transplanted MSCs toward damaged endothelium. Among various MSC modulations, ex vivo cell surface engineering could effectively augment homing efficiency by decorating MSC surfaces with alternative receptors/ligands, thereby facilitating intercellular interactions with the endothelium. Especially, exogenous decoration of peptides onto stem cell surfaces could provide appropriate functional signaling moieties to achieve sufficient MSC homing. Based on their protein-like functionalities, high modularity in molecular design, and high specific affinities and multivalency to target receptors, peptides could be representative surface-presentable moieties. Moreover, peptides feature a mild synthetic process, enabling precise control of amino acid composition and sequence. Such ex vivo stem cell surface engineering could be achieved primarily by hydrophobic interactions of the cellular bilayer with peptide-conjugated anchor modules and by covalent conjugation between peptides and available compartments in membranes. To this end, this review provides an overview of currently available peptide-mediated, ex vivo stem cell surface engineering strategies for enhancing MSC homing efficiency by facilitating interactions with endothelial cells. Stem cell surface engineering techniques using peptide-based bioconjugates have the potential to revolutionize current vascular disease treatments while addressing their technical limitations.
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Affiliation(s)
- Hee Won Park
- Department of Chemical and Biochemical Engineering, Dongguk University, Seoul, Republic of Korea
| | - Chae Eun Lee
- Department of Chemical and Biochemical Engineering, Dongguk University, Seoul, Republic of Korea
| | - Sungjun Kim
- Department of Chemical and Biochemical Engineering, Dongguk University, Seoul, Republic of Korea
| | - Woo-Jin Jeong
- Department of Biological Engineering, Inha University, Incheon, Republic of Korea
| | - Kyobum Kim
- Department of Chemical and Biochemical Engineering, Dongguk University, Seoul, Republic of Korea
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Sen RK, Prabhakar P, Shruti, Verma P, Vikram A, Mishra A, Dwivedi A, Gowri VS, Chaurasia JP, Mondal DP, Srivastava AK, Dwivedi N, Dhand C. Smart Nanofibrous Hydrogel Wound Dressings for Dynamic Infection Diagnosis and Control: Soft but Functionally Rigid. ACS APPLIED BIO MATERIALS 2024; 7:999-1016. [PMID: 38198289 DOI: 10.1021/acsabm.3c01000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
Chronic wounds, such as burns and diabetic foot ulcers, pose significant challenges to global healthcare systems due to prolonged hospitalization and increased costs attributed to susceptibility to bacterial infections. The conventional use of antibiotic-loaded and metal-impregnated dressings exacerbates concerns related to multidrug resistance and skin argyrosis. In response to these challenges, our research introduces a unique approach utilizing antibiotic-free smart hydrogel wound dressings with integrated infection eradication and diagnostic capabilities. Electrospinning stands out as a method capable of producing hydrogel nanofibrous materials possessing favorable characteristics for treating wounds and detecting infections under conditions utilizing sustainable materials. In this study, innovative dressings are fabricated through electrospinning polycaprolactone (PCL)/gelatin (GEL) hybrid hydrogel nanofibers, incorporating pDA as a cross-linker, εPL as a broad-spectrum antimicrobial agent, and anthocyanin as a pH-responsive probe. The developed dressings demonstrate exceptional antioxidant (>90% radical scavenging) and antimicrobial properties (95-100% killing). The inclusion of polyphenols/flavonoids and εPL leads to absolute bacterial eradication, and in vitro assessments using HaCaT cells indicate increased cell proliferation, decreased reactive oxygen species (ROS) production, and enhanced cell viability (100% Cell viability). The dressings display notable alterations in color that correspond to different wound conditions. Specifically, they exhibit a red/violet hue under healthy wound conditions (pH 4-6.5) and a green/blue color under unhealthy wound conditions (pH > 6.5). These distinctive color changes provide valuable insights into the versatile applications of the dressings in the care and management of wounds. Our findings suggest that these antibiotic-free smart hydrogel wound dressings hold promise as an effective and sustainable solution for chronic wounds, providing simultaneous infection control and diagnostic monitoring. This research contributes to advancing the field of wound care, offering a potential paradigm shift in the development of next-generation wound dressings.
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Affiliation(s)
- Raj Kumar Sen
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Priyanka Prabhakar
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Shruti
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Priya Verma
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow 226001, India
| | - Apeksha Vikram
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India
| | - Aradhana Mishra
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow 226001, India
| | - Ashish Dwivedi
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India
| | - Vijay Sorna Gowri
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Jamuna Prasad Chaurasia
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Dehi Pada Mondal
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Avanish Kumar Srivastava
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Neeraj Dwivedi
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Chetna Dhand
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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