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Wang LL, Tuohy S, Xu KL, Nace A, Yang R, Zheng Y, Burdick JA, Cotsarelis G. Local and Sustained Baricitinib Delivery to the Skin through Injectable Hydrogels Containing Reversible Thioimidate Adducts. Adv Healthc Mater 2024; 13:e2303256. [PMID: 38207170 DOI: 10.1002/adhm.202303256] [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: 09/25/2023] [Revised: 11/30/2023] [Indexed: 01/13/2024]
Abstract
Janus kinase (JAK) inhibitors are approved for many dermatologic disorders, but their use is limited by systemic toxicities including serious cardiovascular events and malignancy. To overcome these limitations, injectable hydrogels are engineered for the local and sustained delivery of baricitinib, a representative JAK inhibitor. Hydrogels are formed via disulfide crosslinking of thiolated hyaluronic acid macromers. Dynamic thioimidate bonds are introduced between the thiolated hyaluronic acid and nitrile-containing baricitinib for drug tethering, which is confirmed with 1H and 13C nuclear magnetic resonance (NMR). Release of baricitinib is tunable over six weeks in vitro and active in inhibiting JAK signaling in a cell line containing a luciferase reporter reflecting interferon signaling. For in vivo activity, baricitinib hydrogels or controls are injected intradermally into an imiquimod-induced mouse model of psoriasis. Imiquimod increases epidermal thickness in mice, which is unaffected when treated with baricitinib or hydrogel alone. Treatment with baricitinib hydrogels suppresses the increased epidermal thickness in mice treated with imiquimod, suggesting that the sustained and local release of baricitinib is important for a therapeutic outcome. This study is the first to utilize a thioimidate chemistry to deliver JAK inhibitors to the skin through injectable hydrogels, which has translational potential for treating inflammatory disorders.
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Affiliation(s)
- Leo L Wang
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, 1053 Biomedical Research Building, 421 Curie Blvd, Philadelphia, PA, 19104, USA
| | - Spencer Tuohy
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, 1053 Biomedical Research Building, 421 Curie Blvd, Philadelphia, PA, 19104, USA
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, 220 South 33rd Street, 107 Towne Building, Philadelphia, PA, 19104-6391, USA
| | - Karen L Xu
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, 220 South 33rd Street, 107 Towne Building, Philadelphia, PA, 19104-6391, USA
- BioFrontiers Institute and Department of Chemical and Biological Engineering, College of Engineering and Applied Science, University of Colorado Boulder, 1111 Engineering Dr, Boulder, CO, 80309, USA
| | - Arben Nace
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, 1053 Biomedical Research Building, 421 Curie Blvd, Philadelphia, PA, 19104, USA
| | - Ruifeng Yang
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, 1053 Biomedical Research Building, 421 Curie Blvd, Philadelphia, PA, 19104, USA
| | - Ying Zheng
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, 1053 Biomedical Research Building, 421 Curie Blvd, Philadelphia, PA, 19104, USA
| | - Jason A Burdick
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, 220 South 33rd Street, 107 Towne Building, Philadelphia, PA, 19104-6391, USA
- BioFrontiers Institute and Department of Chemical and Biological Engineering, College of Engineering and Applied Science, University of Colorado Boulder, 1111 Engineering Dr, Boulder, CO, 80309, USA
| | - George Cotsarelis
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, 1053 Biomedical Research Building, 421 Curie Blvd, Philadelphia, PA, 19104, USA
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Chen H, Xue H, Zeng H, Dai M, Tang C, Liu L. 3D printed scaffolds based on hyaluronic acid bioinks for tissue engineering: a review. Biomater Res 2023; 27:137. [PMID: 38142273 DOI: 10.1186/s40824-023-00460-0] [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: 08/16/2023] [Accepted: 11/07/2023] [Indexed: 12/25/2023] Open
Abstract
Hyaluronic acid (HA) is widely distributed in human connective tissue, and its unique biological and physicochemical properties and ability to facilitate biological structure repair make it a promising candidate for three-dimensional (3D) bioprinting in the field of tissue regeneration and biomedical engineering. Moreover, HA is an ideal raw material for bioinks in tissue engineering because of its histocompatibility, non-immunogenicity, biodegradability, anti-inflammatory properties, anti-angiogenic properties, and modifiability. Tissue engineering is a multidisciplinary field focusing on in vitro reconstructions of mammalian tissues, such as cartilage tissue engineering, neural tissue engineering, skin tissue engineering, and other areas that require further clinical applications. In this review, we first describe the modification methods, cross-linking methods, and bioprinting strategies for HA and its derivatives as bioinks and then critically discuss the strengths, shortcomings, and feasibility of each method. Subsequently, we reviewed the practical clinical applications and outcomes of HA bioink in 3D bioprinting. Finally, we describe the challenges and opportunities in the development of HA bioink to provide further research references and insights.
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Affiliation(s)
- Han Chen
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
- Ningxia Medical University, Ningxia, 750004, China
- Xijing Hospital of Air Force Military Medical University, Xi'an, 710032, China
| | - Huaqian Xue
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
- Ningxia Medical University, Ningxia, 750004, China
| | - Huanxuan Zeng
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
| | - Minghai Dai
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
| | - Chengxuan Tang
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China.
| | - Liangle Liu
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China.
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Herrada-Manchón H, Fernández MA, Aguilar E. Essential Guide to Hydrogel Rheology in Extrusion 3D Printing: How to Measure It and Why It Matters? Gels 2023; 9:517. [PMID: 37504396 PMCID: PMC10379134 DOI: 10.3390/gels9070517] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 06/23/2023] [Accepted: 06/25/2023] [Indexed: 07/29/2023] Open
Abstract
Rheology plays a crucial role in the field of extrusion-based three-dimensional (3D) printing, particularly in the context of hydrogels. Hydrogels have gained popularity in 3D printing due to their potential applications in tissue engineering, regenerative medicine, and drug delivery. The rheological properties of the printing material have a significant impact on its behaviour throughout the 3D printing process, including its extrudability, shape retention, and response to stress and strain. Thus, understanding the rheological characteristics of hydrogels, such as shear thinning behaviour, thixotropy, viscoelasticity, and gelling mechanisms, is essential for optimising the printing process and achieving desired product quality and accuracy. This review discusses the theoretical foundations of rheology, explores different types of fluid and their properties, and discusses the essential rheological tests necessary for characterising hydrogels. The paper emphasises the importance of terminology, concepts, and the correct interpretation of results in evaluating hydrogel formulations. By presenting a detailed understanding of rheology in the context of 3D printing, this review paper aims to assist researchers, engineers, and practitioners in the field of hydrogel-based 3D printing in optimizing their printing processes and achieving desired product outcomes.
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Affiliation(s)
- Helena Herrada-Manchón
- Fundación Idonial, Parque Científico y Tecnológico de Gijón, Avda, Jardín Botánico 1345, 33203 Gijón, Spain
| | - Manuel Alejandro Fernández
- Fundación Idonial, Parque Científico y Tecnológico de Gijón, Avda, Jardín Botánico 1345, 33203 Gijón, Spain
| | - Enrique Aguilar
- Centro de Innovación en Química Avanzada (ORFEO-CINQA), Instituto Universitario de Química Organometálica "Enrique Moles", Departamento de Química Orgánica e Inorgánica, Universidad de Oviedo, C/Julián Clavería 8, 33006 Oviedo, Spain
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