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Cheng Y, Zhang H, Wei H, Yu CY. Injectable hydrogels as emerging drug-delivery platforms for tumor therapy. Biomater Sci 2024; 12:1151-1170. [PMID: 38319379 DOI: 10.1039/d3bm01840g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Tumor therapy continues to be a prominent field within biomedical research. The development of various drug carriers has been propelled by concerns surrounding the side effects and targeting efficacy of various chemotherapeutic drugs and other therapeutic agents. These carriers strive to enhance drug concentration at tumor sites, minimize systemic side effects, and improve therapeutic outcomes. Among the reported delivery systems, injectable hydrogels have emerged as an emerging candidate for the in vivo delivery of chemotherapeutic drugs due to their minimal invasive drug delivery properties. This review systematically summarizes the composition and preparation methodologies of injectable hydrogels and further highlights the delivery mechanisms of diverse drugs using these hydrogels for tumor therapy, along with an in-depth discussion on the optimized therapeutic efficiency of drugs encapsulated within the hydrogels. The work concludes by providing a dynamic forward-looking perspective on the potential challenges and possible solutions of the in situ injectable hydrogels for non-surgical and real-time diagnostic applications.
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Affiliation(s)
- Yao Cheng
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang 421001, Hunan, China.
| | - Haitao Zhang
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang 421001, Hunan, China.
| | - Hua Wei
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang 421001, Hunan, China.
| | - Cui-Yun Yu
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang 421001, Hunan, China.
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Li Y, Zhang X, Zhang X, Zhang Y, Hou D. Recent Progress of the Vat Photopolymerization Technique in Tissue Engineering: A Brief Review of Mechanisms, Methods, Materials, and Applications. Polymers (Basel) 2023; 15:3940. [PMID: 37835989 PMCID: PMC10574968 DOI: 10.3390/polym15193940] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/18/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
Vat photopolymerization (VP), including stereolithography (SLA), digital light processing (DLP), and volumetric printing, employs UV or visible light to solidify cell-laden photoactive bioresin contained within a vat in a point-by-point, layer-by-layer, or volumetric manner. VP-based bioprinting has garnered substantial attention in both academia and industry due to its unprecedented control over printing resolution and accuracy, as well as its rapid printing speed. It holds tremendous potential for the fabrication of tissue- and organ-like structures in the field of regenerative medicine. This review summarizes the recent progress of VP in the fields of tissue engineering and regenerative medicine. First, it introduces the mechanism of photopolymerization, followed by an explanation of the printing technique and commonly used biomaterials. Furthermore, the application of VP-based bioprinting in tissue engineering was discussed. Finally, the challenges facing VP-based bioprinting are discussed, and the future trends in VP-based bioprinting are projected.
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Affiliation(s)
- Ying Li
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
| | - Xueqin Zhang
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
| | - Xin Zhang
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
| | - Yuxuan Zhang
- FuYang Sineva Materials Technology Co., Ltd., Beijing 100176, China
| | - Dan Hou
- Chinese Academy of Meteorological Sciences, China National Petroleum Corporation, Beijing 102206, China
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Li X, Xu M, Geng Z, Liu Y. Functional hydrogels for the repair and regeneration of tissue defects. Front Bioeng Biotechnol 2023; 11:1190171. [PMID: 37260829 PMCID: PMC10227617 DOI: 10.3389/fbioe.2023.1190171] [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: 03/20/2023] [Accepted: 05/03/2023] [Indexed: 06/02/2023] Open
Abstract
Tissue defects can be accompanied by functional impairments that affect the health and quality of life of patients. Hydrogels are three-dimensional (3D) hydrophilic polymer networks that can be used as bionic functional tissues to fill or repair damaged tissue as a promising therapeutic strategy in the field of tissue engineering and regenerative medicine. This paper summarises and discusses four outstanding advantages of hydrogels and their applications and advances in the repair and regeneration of tissue defects. First, hydrogels have physicochemical properties similar to the extracellular matrix of natural tissues, providing a good microenvironment for cell proliferation, migration and differentiation. Second, hydrogels have excellent shape adaptation and tissue adhesion properties, allowing them to be applied to a wide range of irregularly shaped tissue defects and to adhere well to the defect for sustained and efficient repair function. Third, the hydrogel is an intelligent delivery system capable of releasing therapeutic agents on demand. Hydrogels are capable of delivering therapeutic reagents and releasing therapeutic substances with temporal and spatial precision depending on the site and state of the defect. Fourth, hydrogels are self-healing and can maintain their integrity when damaged. We then describe the application and research progress of functional hydrogels in the repair and regeneration of defects in bone, cartilage, skin, muscle and nerve tissues. Finally, we discuss the challenges faced by hydrogels in the field of tissue regeneration and provide an outlook on their future trends.
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Zhu Q, Zhou X, Zhang Y, Ye D, Yu K, Cao W, Zhang L, Zheng H, Sun Z, Guo C, Hong X, Zhu Y, Zhang Y, Xiao Y, Valencak TG, Ren T, Ren D. White-light crosslinkable milk protein bioadhesive with ultrafast gelation for first-aid wound treatment. Biomater Res 2023; 27:6. [PMID: 36737833 PMCID: PMC9898936 DOI: 10.1186/s40824-023-00346-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 01/25/2023] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Post-traumatic massive hemorrhage demands immediately available first-aid supplies with reduced operation time and good surgical compliance. In-situ crosslinking gels that are flexibly adapting to the wound shape have a promising potential, but it is still hard to achieve fast gelation, on-demand adhesion, and wide feasibility at the same time. METHODS A white-light crosslinkable natural milk-derived casein hydrogel bioadhesive is presented for the first time. Benefiting from abundant tyrosine residues, casein hydrogel bioadhesive was synthesized by forming di-tyrosine bonds under white light with a ruthenium-based catalyst. We firstly optimized the concentration of proteins and initiators to achieve faster gelation and higher mechanical strength. Then, we examined the degradation, cytotoxicity, tissue adhesion, hemostasis, and wound healing ability of the casein hydrogels to study their potential to be used as bioadhesives. RESULT Rapid gelation of casein hydrogel is initiated with an outdoor flashlight, a cellphone flashlight, or an endoscopy lamp, which facilitates its usage during first-aid and minimally invasive operations. The rapid gelation enables 3D printing of the casein hydrogel and excellent hemostasis even during liver hemorrhage due to section injury. The covalent binding between casein and tissue enables robust adhesion which can withstand more than 180 mmHg blood pressure. Moreover, the casein-based hydrogel can facilitate post-traumatic wound healing caused by trauma due to its biocompatibility. CONCLUSION Casein-based bioadhesives developed in this study pave a way for broad and practical application in emergency wound management.
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Affiliation(s)
- Qinchao Zhu
- grid.13402.340000 0004 1759 700XInstitute of Dairy Science, College of Animal Sciences, Zhejiang University, 310058 Hangzhou, China
| | - Xuhao Zhou
- grid.13402.340000 0004 1759 700XDepartment of Cardiology, Cardiovascular Key Laboratory of Zhejiang Province, Second Affiliated Hospital, School of Medicine, Zhejiang University, 310027 Hangzhou, China
| | - Yanan Zhang
- grid.13402.340000 0004 1759 700XKey Laboratory of Animal Virology of Ministry of Agriculture, Center for Veterinary Sciences, Zhejiang University, 310058 Hangzhou, China
| | - Di Ye
- grid.13402.340000 0004 1759 700XDepartment of Veterinary Medicine, College of Animal Sciences, Zhejiang University, 310058 Hangzhou, China
| | - Kang Yu
- grid.13402.340000 0004 1759 700XKey Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, 310027 Hangzhou, China
| | - Wangbei Cao
- grid.13402.340000 0004 1759 700XMOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 310027 Hangzhou, China
| | - Liwen Zhang
- grid.13402.340000 0004 1759 700XMOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 310027 Hangzhou, China
| | - Houwei Zheng
- grid.13402.340000 0004 1759 700XMOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 310027 Hangzhou, China
| | - Ziyang Sun
- grid.494629.40000 0004 8008 9315School of Engineering, Westlake University, 310023 Hangzhou, Zhejiang China
| | - Chengchen Guo
- grid.494629.40000 0004 8008 9315School of Engineering, Westlake University, 310023 Hangzhou, Zhejiang China
| | - Xiaoqian Hong
- grid.13402.340000 0004 1759 700XDepartment of Cardiology, Cardiovascular Key Laboratory of Zhejiang Province, Second Affiliated Hospital, School of Medicine, Zhejiang University, 310027 Hangzhou, China
| | - Yang Zhu
- grid.13402.340000 0004 1759 700XMOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 310027 Hangzhou, China
| | - Yajun Zhang
- grid.13402.340000 0004 1759 700XSir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 310020 Hangzhou, Zhejiang China
| | - Ying Xiao
- grid.13402.340000 0004 1759 700XSir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 310020 Hangzhou, Zhejiang China
| | - Teresa G. Valencak
- grid.13402.340000 0004 1759 700XInstitute of Dairy Science, College of Animal Sciences, Zhejiang University, 310058 Hangzhou, China
| | - Tanchen Ren
- grid.13402.340000 0004 1759 700XDepartment of Cardiology, Cardiovascular Key Laboratory of Zhejiang Province, Second Affiliated Hospital, School of Medicine, Zhejiang University, 310027 Hangzhou, China
| | - Daxi Ren
- grid.13402.340000 0004 1759 700XInstitute of Dairy Science, College of Animal Sciences, Zhejiang University, 310058 Hangzhou, China
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Ojima K, Kushibiki T, Mayumi Y, Miyai K, Shinchi M, Hirano Y, Azuma R, Ito K, Ishihara M, Horiguchi A. Ability of photocurable gelatin to prevent stricture recurrence after urethral dilation in rabbits. Int J Urol 2022; 29:170-175. [PMID: 34664326 DOI: 10.1111/iju.14730] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 09/24/2021] [Indexed: 01/19/2023]
Abstract
OBJECTIVES To evaluate the ability of photocurable gelatin to prevent stricture recurrence after urethral dilation in a rabbit urethral stricture model. METHODS We created urethral strictures in the bulbar urethras of 10 male Japanese white rabbits using electrocoagulation. After 1 month, the rabbits were randomly divided into Group A (n = 5; urethral stricture dilation and the local application of photocurable gelatin using a ruthenium photoinitiator and irradiation with a light-emitting diode light [λ = 455 nm, 50 mW/cm2 ] for 1 min) and Group B (n = 5; dilation only). Urethral stricture status was evaluated 1-2 months later by retrograde urethrography and urethroscopy. The lumen ratio (urethral width at the stricture site to the normal urethral width on retrograde urethrography) was calculated. Urethral patency was considered to be improved when the urethral lumen could accommodate a 10-Fr urethroscope without resistance. Urethral specimens were harvested for histopathological examination. RESULTS The mean lumen ratio did not differ significantly between Groups A and B before dilation (25.8% vs 23.4%; P = 0.40), but differed significantly after dilation (65.5% vs 27.3%, respectively; P = 0.03). Urethral patency improved in all rabbits in Group A (100%) versus one rabbit in Group B (20%; P = 0.02). The mean circumference of the regenerated urethral epithelium at the stricture site was larger in Group A than in Group B (14 mm vs 6.6 mm; P = 0.06). CONCLUSIONS Photocurable gelatin can reduce urethral stricture recurrence after dilation in a rabbit model.
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Affiliation(s)
- Kenichiro Ojima
- Department of Urology, National Defense Medical College, Saitama, Japan
| | - Toshihiro Kushibiki
- Department of Medical Engineering, National Defense Medical College, Saitama, Japan
| | - Yoshine Mayumi
- Department of Medical Engineering, National Defense Medical College, Saitama, Japan
| | - Kosuke Miyai
- Department of Basic Pathology, National Defense Medical College, Saitama, Japan
| | - Masayuki Shinchi
- Department of Urology, Nishisaitama-chuo National Hospital, Saitama, Japan
| | - Yusuke Hirano
- Department of Urology, National Defense Medical College, Saitama, Japan
| | - Ryuichi Azuma
- Department of Plastic Surgery, National Defense Medical College, Saitama, Japan
| | - Keiichi Ito
- Department of Urology, National Defense Medical College, Saitama, Japan
| | - Miya Ishihara
- Department of Medical Engineering, National Defense Medical College, Saitama, Japan
| | - Akio Horiguchi
- Department of Urology, National Defense Medical College, Saitama, Japan
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Kushibiki T, Mayumi Y, Nakayama E, Azuma R, Ojima K, Horiguchi A, Ishihara M. Photocrosslinked gelatin hydrogel improves wound healing and skin flap survival by the sustained release of basic fibroblast growth factor. Sci Rep 2021; 11:23094. [PMID: 34845307 PMCID: PMC8630120 DOI: 10.1038/s41598-021-02589-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 11/15/2021] [Indexed: 01/09/2023] Open
Abstract
Biomaterials traditionally used for wound healing can act as a temporary barrier to halt bleeding, prevent infection, and enhance regeneration. Hydrogels are among the best candidates for wound healing owing to their moisture retention and drug-releasing properties. Photo-polymerization using visible light irradiation is a promising method for hydrogel preparation since it can easily control spatiotemporal reaction kinetics and rapidly induce a single-step reaction under mild conditions. In this study, photocrosslinked gelatin hydrogels were imparted with properties namely fast wound adherence, strong wet tissue surface adhesion, greater biocompatibility, long-term bFGF release, and importantly, ease of use through the modification and combination of natural bio-macromolecules. The production of a gelatin hydrogel made of natural gelatin (which is superior to chemically modified gelatin), crosslinked by visible light, which is more desirable than UV light irradiation, will enable its prolonged application to uneven wound surfaces. This is due to its flexible shape, along with the administration of cell growth factors, such as bFGF, for tissue regeneration. Further, the sustained release of bFGF enhances wound healing and skin flap survival. The photocrosslinking gelatin hydrogel designed in this study is a potential candidate to enhance wound healing and better skin flap survival.
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Affiliation(s)
- Toshihiro Kushibiki
- Department of Medical Engineering, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan.
| | - Yoshine Mayumi
- Department of Medical Engineering, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan
| | - Eiko Nakayama
- Department of Plastic Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan
| | - Ryuichi Azuma
- Department of Plastic Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan
| | - Kenichiro Ojima
- Department of Urology, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan
| | - Akio Horiguchi
- Department of Urology, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan
| | - Miya Ishihara
- Department of Medical Engineering, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, Japan
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Shin GR, Kim HE, Kim JH, Choi S, Kim MS. Advances in Injectable In Situ-Forming Hydrogels for Intratumoral Treatment. Pharmaceutics 2021; 13:1953. [PMID: 34834369 PMCID: PMC8624884 DOI: 10.3390/pharmaceutics13111953] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 11/08/2021] [Accepted: 11/16/2021] [Indexed: 12/25/2022] Open
Abstract
Chemotherapy has been linked to a variety of severe side effects, and the bioavailability of current chemotherapeutic agents is generally low, which decreases their effectiveness. Therefore, there is an ongoing effort to develop drug delivery systems to increase the bioavailability of these agents and minimize their side effects. Among these, intratumoral injections using in situ-forming hydrogels can improve drugs' bioavailability and minimize drugs' accumulation in non-target organs or tissues. This review describes different types of injectable in situ-forming hydrogels and their intratumoral injection for cancer treatment, after which we discuss the antitumor effects of intratumoral injection of drug-loaded hydrogels. This review concludes with perspectives on the future applicability of, and challenges for, the adoption of this drug delivery technology.
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Affiliation(s)
- Gi Ru Shin
- Department of Molecular Science and Technology, Ajou University, 206, World Cup-ro, Yeongtong-gu, Suwon-si 16499, Gyeonggi-do, Korea; (G.R.S.); (H.E.K.); (J.H.K.); (S.C.)
| | - Hee Eun Kim
- Department of Molecular Science and Technology, Ajou University, 206, World Cup-ro, Yeongtong-gu, Suwon-si 16499, Gyeonggi-do, Korea; (G.R.S.); (H.E.K.); (J.H.K.); (S.C.)
| | - Jae Ho Kim
- Department of Molecular Science and Technology, Ajou University, 206, World Cup-ro, Yeongtong-gu, Suwon-si 16499, Gyeonggi-do, Korea; (G.R.S.); (H.E.K.); (J.H.K.); (S.C.)
| | - Sangdun Choi
- Department of Molecular Science and Technology, Ajou University, 206, World Cup-ro, Yeongtong-gu, Suwon-si 16499, Gyeonggi-do, Korea; (G.R.S.); (H.E.K.); (J.H.K.); (S.C.)
| | - Moon Suk Kim
- Department of Molecular Science and Technology, Ajou University, 206, World Cup-ro, Yeongtong-gu, Suwon-si 16499, Gyeonggi-do, Korea; (G.R.S.); (H.E.K.); (J.H.K.); (S.C.)
- Research Institute, Medipolymer, 274-Samsung-ro, Suwon-si 16522, Gyeonggi-do, Korea
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