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Shirk BD, Heichel DL, Eccles LE, Rodgers LI, Lateef AH, Burke KA, Stoppel WL. Modifying Naturally Occurring, Nonmammalian-Sourced Biopolymers for Biomedical Applications. ACS Biomater Sci Eng 2024. [PMID: 39259773 DOI: 10.1021/acsbiomaterials.4c00689] [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: 09/13/2024]
Abstract
Natural biopolymers have a rich history, with many uses across the fields of healthcare and medicine, including formulations for wound dressings, surgical implants, tissue culture substrates, and drug delivery vehicles. Yet, synthetic-based materials have been more successful in translation due to precise control and regulation achievable during manufacturing. However, there is a renewed interest in natural biopolymers, which offer a diverse landscape of architecture, sustainable sourcing, functional groups, and properties that synthetic counterparts cannot fully replicate as processing and sourcing of these materials has improved. Proteins and polysaccharides derived from various sources (crustaceans, plants, insects, etc.) are highlighted in this review. We discuss the common types of polysaccharide and protein biopolymers used in healthcare and medicine, highlighting methods and strategies to alter structures and intra- and interchain interactions to engineer specific functions, products, or materials. We focus on biopolymers obtained from natural, nonmammalian sources, including silk fibroins, alginates, chitosans, chitins, mucins, keratins, and resilins, while discussing strategies to improve upon their innate properties and sourcing standardization to expand their clinical uses and relevance. Emphasis will be placed on methods that preserve the structural integrity and native biological functions of the biopolymers and their makers. We will conclude by discussing the untapped potential of new technologies to manipulate native biopolymers while controlling their secondary and tertiary structures, offering a perspective on advancing biopolymer utility in novel applications within biomedical engineering, advanced manufacturing, and tissue engineering.
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Affiliation(s)
- Bryce D Shirk
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, Florida 32611, United States
| | - Danielle L Heichel
- Department of Chemical Engineering, University of Connecticut, Storrs, Connecticut 06269-3222, United States
- Polymer Program, Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269-3136, United States
| | - Lauren E Eccles
- Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611, United States
| | - Liam I Rodgers
- Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611, United States
| | - Ali H Lateef
- Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611, United States
| | - Kelly A Burke
- Department of Chemical Engineering, University of Connecticut, Storrs, Connecticut 06269-3222, United States
- Polymer Program, Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269-3136, United States
| | - Whitney L Stoppel
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, Florida 32611, United States
- Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611, United States
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Poongodi R, Chen YL, Yang TH, Huang YH, Yang KD, Lin HC, Cheng JK. Bio-Scaffolds as Cell or Exosome Carriers for Nerve Injury Repair. Int J Mol Sci 2021; 22:13347. [PMID: 34948144 PMCID: PMC8707664 DOI: 10.3390/ijms222413347] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/08/2021] [Accepted: 12/10/2021] [Indexed: 12/12/2022] Open
Abstract
Central and peripheral nerve injuries can lead to permanent paralysis and organ dysfunction. In recent years, many cell and exosome implantation techniques have been developed in an attempt to restore function after nerve injury with promising but generally unsatisfactory clinical results. Clinical outcome may be enhanced by bio-scaffolds specifically fabricated to provide the appropriate three-dimensional (3D) conduit, growth-permissive substrate, and trophic factor support required for cell survival and regeneration. In rodents, these scaffolds have been shown to promote axonal regrowth and restore limb motor function following experimental spinal cord or sciatic nerve injury. Combining the appropriate cell/exosome and scaffold type may thus achieve tissue repair and regeneration with safety and efficacy sufficient for routine clinical application. In this review, we describe the efficacies of bio-scaffolds composed of various natural polysaccharides (alginate, chitin, chitosan, and hyaluronic acid), protein polymers (gelatin, collagen, silk fibroin, fibrin, and keratin), and self-assembling peptides for repair of nerve injury. In addition, we review the capacities of these constructs for supporting in vitro cell-adhesion, mechano-transduction, proliferation, and differentiation as well as the in vivo properties critical for a successful clinical outcome, including controlled degradation and re-absorption. Finally, we describe recent advances in 3D bio-printing for nerve regeneration.
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Affiliation(s)
- Raju Poongodi
- Department of Medical Research, Mackay Memorial Hospital, Taipei 10449, Taiwan; (R.P.); (T.-H.Y.)
| | - Ying-Lun Chen
- Department of Anesthesiology, Mackay Memorial Hospital, Taipei 10449, Taiwan; (Y.-L.C.); (Y.-H.H.)
- Department of Medicine, Mackay Medical College, New Taipei City 25245, Taiwan
| | - Tao-Hsiang Yang
- Department of Medical Research, Mackay Memorial Hospital, Taipei 10449, Taiwan; (R.P.); (T.-H.Y.)
| | - Ya-Hsien Huang
- Department of Anesthesiology, Mackay Memorial Hospital, Taipei 10449, Taiwan; (Y.-L.C.); (Y.-H.H.)
- Department of Medicine, Mackay Medical College, New Taipei City 25245, Taiwan
| | - Kuender D. Yang
- Institute of Biomedical Science, Mackay Medical College, New Taipei City 25245, Taiwan;
- Department of Pediatrics, Mackay Memorial Hospital, Taipei 10449, Taiwan
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
| | - Hsin-Chieh Lin
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan;
| | - Jen-Kun Cheng
- Department of Medical Research, Mackay Memorial Hospital, Taipei 10449, Taiwan; (R.P.); (T.-H.Y.)
- Department of Anesthesiology, Mackay Memorial Hospital, Taipei 10449, Taiwan; (Y.-L.C.); (Y.-H.H.)
- Department of Medicine, Mackay Medical College, New Taipei City 25245, Taiwan
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