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Liu X, Guo Z, Wang J, Shen W, Jia Z, Jia S, Li L, Wang J, Wang L, Li J, Sun Y, Chen Y, Zhang M, Bai J, Wang L, Li X. Thiolation-Based Protein-Protein Hydrogels for Improved Wound Healing. Adv Healthc Mater 2024; 13:e2303824. [PMID: 38303578 DOI: 10.1002/adhm.202303824] [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: 11/02/2023] [Revised: 01/28/2024] [Indexed: 02/03/2024]
Abstract
The limitations of protein-based hydrogels, including their insufficient mechanical properties and restricted biological functions, arise from the highly specific functions of proteins as natural building blocks. A potential solution to overcome these shortcomings is the development of protein-protein hydrogels, which integrate structural and functional proteins. In this study, a protein-protein hydrogel formed by crosslinking bovine serum albumin (BSA) and a genetically engineered intrinsically disordered collagen-like protein (CLP) through Ag─S bonding is introduced. The approach involves thiolating lysine residues of BSA and crosslinking CLP with Ag+ ions, utilizing thiolation of BSA and the free-cysteines of CLP. The resulting protein-protein hydrogels exhibit exceptional properties, including notable plasticity, inherent self-healing capabilities, and gel-sol transition in response to redox conditions. In comparison to standalone BSA hydrogels, these protein-protein hydrogels demonstrate enhanced cellular viability, and improved cellular migration. In vivo experiments provide conclusive evidence of accelerated wound healing, observed not only in murine models with streptozotocin (Step)-induced diabetes but also in zebrafish models subjected to UV-burn injuries. Detailed mechanistic insights, combined with assessments of proinflammatory cytokines and the expression of epidermal differentiation-related proteins, robustly validate the protein-protein hydrogel's effectiveness in promoting wound repair.
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Affiliation(s)
- Xing Liu
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
| | - Zhao Guo
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
| | - Jie Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
| | - Wenting Shen
- Shandong Provincial Key Laboratory of Animal Resistance Biology, Key Laboratory of Food Nutrition and Safety of Shandong Normal University, College of Life Science, Shandong Normal University, Jinan, 250014, P. R. China
| | - Zhenzhen Jia
- Shandong Provincial Key Laboratory of Animal Resistance Biology, Key Laboratory of Food Nutrition and Safety of Shandong Normal University, College of Life Science, Shandong Normal University, Jinan, 250014, P. R. China
| | - Shuang Jia
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
| | - Limiao Li
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
| | - Jieqi Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
| | - Liping Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
| | - Jiaqi Li
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
| | - Yinan Sun
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
| | - Yufang Chen
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
| | - Min Zhang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
| | - Jia Bai
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
| | - Liyao Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
| | - Xinyu Li
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Key Laboratory for Molecular Regulation of the Cell, Institute of Biomedical Sciences, School of Life Sciences, Inner Mongolia University, Hohhot, 010020, P .R. China
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Nordberg RC, Bielajew BJ, Takahashi T, Dai S, Hu JC, Athanasiou KA. Recent advancements in cartilage tissue engineering innovation and translation. Nat Rev Rheumatol 2024; 20:323-346. [PMID: 38740860 DOI: 10.1038/s41584-024-01118-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/09/2024] [Indexed: 05/16/2024]
Abstract
Articular cartilage was expected to be one of the first successfully engineered tissues, but today, cartilage repair products are few and they exhibit considerable limitations. For example, of the cell-based products that are available globally, only one is marketed for non-knee indications, none are indicated for severe osteoarthritis or rheumatoid arthritis, and only one is approved for marketing in the USA. However, advances in cartilage tissue engineering might now finally lead to the development of new cartilage repair products. To understand the potential in this field, it helps to consider the current landscape of tissue-engineered products for articular cartilage repair and particularly cell-based therapies. Advances relating to cell sources, bioactive stimuli and scaffold or scaffold-free approaches should now contribute to progress in therapeutic development. Engineering for an inflammatory environment is required because of the need for implants to withstand immune challenge within joints affected by osteoarthritis or rheumatoid arthritis. Bringing additional cartilage repair products to the market will require an understanding of the translational vector for their commercialization. Advances thus far can facilitate the future translation of engineered cartilage products to benefit the millions of patients who suffer from cartilage injuries and arthritides.
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Affiliation(s)
- Rachel C Nordberg
- Department of Biomedical Engineering, University of California Irvine, Irvine, CA, USA
| | - Benjamin J Bielajew
- Department of Biomedical Engineering, University of California Irvine, Irvine, CA, USA
| | - Takumi Takahashi
- Department of Biomedical Engineering, University of California Irvine, Irvine, CA, USA
| | - Shuyan Dai
- Department of Biomedical Engineering, University of California Irvine, Irvine, CA, USA
| | - Jerry C Hu
- Department of Biomedical Engineering, University of California Irvine, Irvine, CA, USA
| | - Kyriacos A Athanasiou
- Department of Biomedical Engineering, University of California Irvine, Irvine, CA, USA.
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3
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Xu Z, Yu X, Gao F, Zang M, Huang L, Liu W, Xu J, Yu S, Wang T, Sun H, Liu J. Fighting bacteria with bacteria: A biocompatible living hydrogel patch for combating bacterial infections and promoting wound healing. Acta Biomater 2024; 181:176-187. [PMID: 38719158 DOI: 10.1016/j.actbio.2024.04.047] [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: 12/30/2023] [Revised: 04/28/2024] [Accepted: 04/30/2024] [Indexed: 05/23/2024]
Abstract
Bacterial infections are among the most critical global health challenges that seriously threaten the security of human. To address this issue, a biocompatible engineered living hydrogel patch was developed by co-embedding engineered photothermal bacteria (EM), photosensitizer (porphyrin) and reactive oxygen species amplifier (laccase) in a protein hydrogel. Remarkably, the genetice engineered bacteria can express melanin granules in vivo and this allows them to exhibit photothermal response upon being exposed to NIR-II laser (1064 nm) irradiation. Besides, electrostatically adhered tetramethylpyridinium porphyrin (TMPyP) on the bacterial surface and encapsulated laccase (Lac) in protein gel can generate highly toxic singlet oxygen (1O2) and hydroxyl radical (·OH) in the presence of visible light and lignin, respectively. Interestingly, the engineered bacteria hydrogel patch (EMTL@Gel) was successfully applied in synergistic photothermal, photodynamic and chemodynamic therapy, in which it was able to efficiently treat bacterial infection in mouse wounds and enhance wound healing. This work demonstrates the concept of "fighting bacteria with bacteria" combining bacterial engineering and material engineering into an engineered living hydrogel path that can synergistically boost the therapeutic outcome. STATEMENT OF SIGNIFICANCE: Genetically engineered bacteria produce melanin granules in vivo, exhibiting remarkable photothermal properties. These bacteria, along with a photosensitizer (TMPyP) and a reactive oxygen species amplifier (laccase), are incorporated into a biocompatible protein hydrogel patch. Under visible light, the patch generates toxic singlet oxygen (1O2) and hydroxyl radical (·OH), demonstrates outstanding synergistic effects in photothermal, photodynamic, and chemodynamic therapy, effectively treating bacterial infections and promoting wound healing in mice.
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Affiliation(s)
- Zhengwei Xu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Xiaoxuan Yu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Fan Gao
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Mingsong Zang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Liwei Huang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Wang Liu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Jiayun Xu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Shuangjiang Yu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Tingting Wang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, PR China.
| | - Hongcheng Sun
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, PR China.
| | - Junqiu Liu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, PR China.
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Jones AA, Snow CD. Porous protein crystals: synthesis and applications. Chem Commun (Camb) 2024; 60:5790-5803. [PMID: 38756076 DOI: 10.1039/d4cc00183d] [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: 05/18/2024]
Abstract
Large-pore protein crystals (LPCs) are an emerging class of biomaterials. The inherent diversity of proteins translates to a diversity of crystal lattice structures, many of which display large pores and solvent channels. These pores can, in turn, be functionalized via directed evolution and rational redesign based on the known crystal structures. LPCs possess extremely high solvent content, as well as extremely high surface area to volume ratios. Because of these characteristics, LPCs continue to be explored in diverse applications including catalysis, targeted therapeutic delivery, templating of nanostructures, structural biology. This Feature review article will describe several of the existing platforms in detail, with particular focus on LPC synthesis approaches and reported applications.
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Affiliation(s)
- Alec Arthur Jones
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO 80523-1301, USA.
| | - Christopher D Snow
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO 80523-1301, USA.
- Department of Chemical and Biological Engineering, Colorado State University, Fort Collins, CO 80523-1301, USA
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Gorantla A, Hall JTVE, Troidle A, Janjic JM. Biomaterials for Protein Delivery: Opportunities and Challenges to Clinical Translation. MICROMACHINES 2024; 15:533. [PMID: 38675344 PMCID: PMC11052476 DOI: 10.3390/mi15040533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024]
Abstract
The development of biomaterials for protein delivery is an emerging field that spans materials science, bioengineering, and medicine. In this review, we highlight the immense potential of protein-delivering biomaterials as therapeutic options and discuss the multifaceted challenges inherent to the field. We address current advancements and approaches in protein delivery that leverage stimuli-responsive materials, harness advanced fabrication techniques like 3D printing, and integrate nanotechnologies for greater targeting and improved stability, efficacy, and tolerability profiles. We also discuss the demand for highly complex delivery systems to maintain structural integrity and functionality of the protein payload. Finally, we discuss barriers to clinical translation, such as biocompatibility, immunogenicity, achieving reliable controlled release, efficient and targeted delivery, stability issues, scalability of production, and navigating the regulatory landscape for such materials. Overall, this review summarizes insights from a survey of the current literature and sheds light on the interplay between innovation and the practical implementation of biomaterials for protein delivery.
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Affiliation(s)
- Amogh Gorantla
- Department of Engineering, Wake Forest University, Winston-Salem, NC 27109, USA;
| | | | | | - Jelena M. Janjic
- School of Pharmacy, Duquesne University, Pittsburgh, PA 15282, USA;
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Lemine AS, Ahmad Z, Al-Thani NJ, Hasan A, Bhadra J. Mechanical properties of human hepatic tissues to develop liver-mimicking phantoms for medical applications. Biomech Model Mechanobiol 2024; 23:373-396. [PMID: 38072897 DOI: 10.1007/s10237-023-01785-4] [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: 05/08/2023] [Accepted: 10/17/2023] [Indexed: 03/26/2024]
Abstract
Using liver phantoms for mimicking human tissue in clinical training, disease diagnosis, and treatment planning is a common practice. The fabrication material of the liver phantom should exhibit mechanical properties similar to those of the real liver organ in the human body. This tissue-equivalent material is essential for qualitative and quantitative investigation of the liver mechanisms in producing nutrients, excretion of waste metabolites, and tissue deformity at mechanical stimulus. This paper reviews the mechanical properties of human hepatic tissues to develop liver-mimicking phantoms. These properties include viscosity, elasticity, acoustic impedance, sound speed, and attenuation. The advantages and disadvantages of the most common fabrication materials for developing liver tissue-mimicking phantoms are also highlighted. Such phantoms will give a better insight into the real tissue damage during the disease progression and preservation for transplantation. The liver tissue-mimicking phantom will raise the quality assurance of patient diagnostic and treatment precision and offer a definitive clinical trial data collection.
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Affiliation(s)
- Aicha S Lemine
- Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, 2713, Doha, Qatar
- Qatar University Young Scientists Center (QUYSC), Qatar University, 2713, Doha, Qatar
| | - Zubair Ahmad
- Qatar University Young Scientists Center (QUYSC), Qatar University, 2713, Doha, Qatar
- Center for Advanced Materials (CAM), Qatar University, PO Box 2713, Doha, Qatar
| | - Noora J Al-Thani
- Qatar University Young Scientists Center (QUYSC), Qatar University, 2713, Doha, Qatar
| | - Anwarul Hasan
- Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, 2713, Doha, Qatar
| | - Jolly Bhadra
- Qatar University Young Scientists Center (QUYSC), Qatar University, 2713, Doha, Qatar.
- Center for Advanced Materials (CAM), Qatar University, PO Box 2713, Doha, Qatar.
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Wen F, Wang Y, Tu B, Cui L. Superfast Gelation of Spider Silk-Based Artificial Silk Protein. Gels 2024; 10:69. [PMID: 38247791 PMCID: PMC10815891 DOI: 10.3390/gels10010069] [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: 11/20/2023] [Revised: 01/12/2024] [Accepted: 01/15/2024] [Indexed: 01/23/2024] Open
Abstract
Spider silk proteins (spidroins) have garnered attention in biomaterials research due to their ability to self-assemble into hydrogels. However, reported spidroin hydrogels require high protein concentration and prolonged gelation time. Our study engineered an artificial spidroin that exhibits unprecedented rapid self-assembly into hydrogels at physiologically relevant conditions, achieving gelation at a low concentration of 6 mg/mL at 37 °C without external additives. Remarkably, at a 30 mg/mL concentration, our engineered protein forms hydrogels within 30 s, a feature we termed "superfast gelation". This rapid formation is modulated by ions, pH, and temperature, offering versatility in biomedical applications. The hydrogel's capacity to encapsulate proteins and support E. coli growth while inducing RFP expression provides a novel platform for drug delivery and bioengineering applications. Our findings introduce a superfast, highly adaptable, and cytocompatible hydrogel that self-assembles under mild conditions, underscoring the practical implication of rapid gelation in biomedical research and clinical applications.
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Affiliation(s)
- Fan Wen
- CCZU-JITRI Joint Bio-X Lab, School of Pharmacy & School of Biological and Food Engineering, Changzhou University, Changzhou 213164, China; (F.W.); (Y.W.)
| | - Yu Wang
- CCZU-JITRI Joint Bio-X Lab, School of Pharmacy & School of Biological and Food Engineering, Changzhou University, Changzhou 213164, China; (F.W.); (Y.W.)
| | - Bowen Tu
- Pathogenic Biological Laboratory, Changzhou Disease Control and Prevention Centre, Changzhou Medical Centre, Nanjing Medical University, Changzhou 213000, China;
| | - Lun Cui
- CCZU-JITRI Joint Bio-X Lab, School of Pharmacy & School of Biological and Food Engineering, Changzhou University, Changzhou 213164, China; (F.W.); (Y.W.)
- Biomaterials Lab, Changzhou AiRiBio Healthcare Co., Ltd., Changzhou 213164, China
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Gaspar-Morales EA, Waterston A, Sadqi M, Diaz-Parga P, Smith AM, Gopinath A, Andresen Eguiluz RC, de Alba E. Natural and Engineered Isoforms of the Inflammasome Adaptor ASC Form Noncovalent, pH-Responsive Hydrogels. Biomacromolecules 2023; 24:5563-5577. [PMID: 37930828 DOI: 10.1021/acs.biomac.3c00409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Abstract
The protein ASC polymerizes into intricate filament networks to assemble the inflammasome, a filamentous multiprotein complex that triggers the inflammatory response. ASC carries two Death Domains integrally involved in protein self-association for filament assembly. We have leveraged this behavior to create noncovalent, pH-responsive hydrogels of full-length, folded ASC by carefully controlling the pH as a critical factor in the polymerization process. We show that natural variants of ASC (ASC isoforms) involved in inflammasome regulation also undergo hydrogelation. To further demonstrate this general capability, we engineered proteins inspired by the ASC structure that also form hydrogels. We analyzed the structural network of the natural and engineered protein hydrogels using transmission and scanning electron microscopy and studied their viscoelastic behavior using shear rheology. Our results reveal one of the very few examples of hydrogels created by the self-assembly of globular proteins and domains in their native conformation and show that Death Domains can be used alone or as building blocks to engineer bioinspired hydrogels.
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Yang Z, Chen L, Liu J, Zhuang H, Lin W, Li C, Zhao X. Short Peptide Nanofiber Biomaterials Ameliorate Local Hemostatic Capacity of Surgical Materials and Intraoperative Hemostatic Applications in Clinics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2301849. [PMID: 36942893 DOI: 10.1002/adma.202301849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/12/2023] [Indexed: 06/18/2023]
Abstract
Short designer self-assembling peptide (dSAP) biomaterials are a new addition to the hemostat group. It may provide a diverse and robust toolbox for surgeons to integrate wound microenvironment with much safer and stronger hemostatic capacity than conventional materials and hemostatic agents. Especially in noncompressible torso hemorrhage (NCTH), diffuse mucosal surface bleeding, and internal medical bleeding (IMB), with respect to the optimal hemostatic formulation, dSAP biomaterials are the ingenious nanofiber alternatives to make bioactive neural scaffold, nasal packing, large mucosal surface coverage in gastrointestinal surgery (esophagus, gastric lesion, duodenum, and lower digestive tract), epicardiac cell-delivery carrier, transparent matrix barrier, and so on. Herein, in multiple surgical specialties, dSAP-biomaterial-based nano-hemostats achieve safe, effective, and immediate hemostasis, facile wound healing, and potentially reduce the risks in delayed bleeding, rebleeding, post-operative bleeding, or related complications. The biosafety in vivo, bleeding indications, tissue-sealing quality, surgical feasibility, and local usability are addressed comprehensively and sequentially and pursued to develop useful surgical techniques with better hemostatic performance. Here, the state of the art and all-round advancements of nano-hemostatic approaches in surgery are provided. Relevant critical insights will inspire exciting investigations on peptide nanotechnology, next-generation biomaterials, and better promising prospects in clinics.
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Affiliation(s)
- Zehong Yang
- Department of Biochemistry and Molecular Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, 610041, China
- Institute for Nanobiomedical Technology and Membrane Biology, West China Hospital of Sichuan University, Chengdu, Sichuan, 610041, China
| | - Lihong Chen
- Department of Biochemistry and Molecular Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Ji Liu
- Department of Biochemistry and Molecular Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Hua Zhuang
- Department of Ultrasonography, West China Hospital of Sichuan University, No. 37 Guoxue Road, Wuhou District, Chengdu, Sichuan, 610041, China
| | - Wei Lin
- Department of Obstetrics and Gynecology, Key Laboratory of Birth Defects and Related Women and Children Diseases of the Ministry of Education, Sichuan University, No. 17 People's South Road, Chengdu, Sichuan, 610041, China
| | - Changlong Li
- Department of Biochemistry and Molecular Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Xiaojun Zhao
- Institute for Nanobiomedical Technology and Membrane Biology, West China Hospital of Sichuan University, Chengdu, Sichuan, 610041, China
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Budai L, Budai M, Fülöpné Pápay ZE, Szalkai P, Niczinger NA, Kijima S, Sugibayashi K, Antal I, Kállai-Szabó N. Viscoelasticity of Liposomal Dispersions. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2340. [PMID: 37630925 PMCID: PMC10459094 DOI: 10.3390/nano13162340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/08/2023] [Accepted: 08/12/2023] [Indexed: 08/27/2023]
Abstract
Janus-faced viscoelastic gelling agents-possessing both elastic and viscous characteristics-provide materials with unique features including strengthening ability under stress and a liquid-like character with lower viscosities under relaxed conditions. The mentioned multifunctional character is manifested in several body fluids such as human tears, synovial liquids, skin tissues and mucins, endowing the fluids with a special physical resistance property that can be analyzed by dynamic oscillatory rheology. Therefore, during the development of pharmaceutical or cosmetical formulations-with the intention of mimicking the physiological conditions-rheological studies on viscoelasticity are strongly recommended and the selection of viscoelastic preparations is highlighted. In our study, we aimed to determine the viscoelasticity of various liposomal dispersions. We intended to evaluate the impact of lipid concentration, the presence of cholesterol or 1,2-distearoyl-sn-glycero-3-phosphocholine (DSPC) and the gelling agents polyvinyl alcohol (PVA) and hydroxyethylcellulose (HEC) on the viscoelasticity of vesicular systems. Furthermore, the effect of two model drugs (phenyl salicylate and caffeine) on the viscoelastic behavior of liposomal systems was studied. Based on our measurements, the oscillation rheological properties of the liposomal formulations were influenced both by the composition and the lamellarity/size of the lipid vesicles.
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Affiliation(s)
- Lívia Budai
- Department of Pharmaceutics, Semmelweis University, Hőgyes Str. 7, 1092 Budapest, Hungary; (L.B.); (M.B.); (Z.E.F.P.); (P.S.); (N.A.N.)
| | - Marianna Budai
- Department of Pharmaceutics, Semmelweis University, Hőgyes Str. 7, 1092 Budapest, Hungary; (L.B.); (M.B.); (Z.E.F.P.); (P.S.); (N.A.N.)
| | - Zsófia Edit Fülöpné Pápay
- Department of Pharmaceutics, Semmelweis University, Hőgyes Str. 7, 1092 Budapest, Hungary; (L.B.); (M.B.); (Z.E.F.P.); (P.S.); (N.A.N.)
| | - Petra Szalkai
- Department of Pharmaceutics, Semmelweis University, Hőgyes Str. 7, 1092 Budapest, Hungary; (L.B.); (M.B.); (Z.E.F.P.); (P.S.); (N.A.N.)
| | - Noémi Anna Niczinger
- Department of Pharmaceutics, Semmelweis University, Hőgyes Str. 7, 1092 Budapest, Hungary; (L.B.); (M.B.); (Z.E.F.P.); (P.S.); (N.A.N.)
| | - Shosho Kijima
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado 350-0295, Saitama, Japan; (S.K.); (K.S.)
| | - Kenji Sugibayashi
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado 350-0295, Saitama, Japan; (S.K.); (K.S.)
| | - István Antal
- Department of Pharmaceutics, Semmelweis University, Hőgyes Str. 7, 1092 Budapest, Hungary; (L.B.); (M.B.); (Z.E.F.P.); (P.S.); (N.A.N.)
| | - Nikolett Kállai-Szabó
- Department of Pharmaceutics, Semmelweis University, Hőgyes Str. 7, 1092 Budapest, Hungary; (L.B.); (M.B.); (Z.E.F.P.); (P.S.); (N.A.N.)
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11
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Zhang Y, Wang Z, Sun Q, Li Q, Li S, Li X. Dynamic Hydrogels with Viscoelasticity and Tunable Stiffness for the Regulation of Cell Behavior and Fate. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5161. [PMID: 37512435 PMCID: PMC10386333 DOI: 10.3390/ma16145161] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 07/16/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023]
Abstract
The extracellular matrix (ECM) of natural cells typically exhibits dynamic mechanical properties (viscoelasticity and dynamic stiffness). The viscoelasticity and dynamic stiffness of the ECM play a crucial role in biological processes, such as tissue growth, development, physiology, and disease. Hydrogels with viscoelasticity and dynamic stiffness have recently been used to investigate the regulation of cell behavior and fate. This article first emphasizes the importance of tissue viscoelasticity and dynamic stiffness and provides an overview of characterization techniques at both macro- and microscale. Then, the viscoelastic hydrogels (crosslinked via ion bonding, hydrogen bonding, hydrophobic interactions, and supramolecular interactions) and dynamic stiffness hydrogels (softening, stiffening, and reversible stiffness) with different crosslinking strategies are summarized, along with the significant impact of viscoelasticity and dynamic stiffness on cell spreading, proliferation, migration, and differentiation in two-dimensional (2D) and three-dimensional (3D) cell cultures. Finally, the emerging trends in the development of dynamic mechanical hydrogels are discussed.
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Affiliation(s)
- Yuhang Zhang
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, China (Q.L.)
- National Center for International Joint Research of Micro-Nano Moulding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Zhuofan Wang
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, China (Q.L.)
- National Center for International Joint Research of Micro-Nano Moulding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Qingqing Sun
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Qian Li
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, China (Q.L.)
- National Center for International Joint Research of Micro-Nano Moulding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Shaohui Li
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaomeng Li
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, China (Q.L.)
- National Center for International Joint Research of Micro-Nano Moulding Technology, Zhengzhou University, Zhengzhou 450001, China
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12
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Gaspar-Morales EA, Waterston A, Diaz-Parga P, Smith AM, Sadqi M, Gopinath A, Andresen Eguiluz RC, de Alba E. Natural and engineered isoforms of the inflammasome adaptor ASC form non-covalent, pH-responsive hydrogels. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.03.539154. [PMID: 37205378 PMCID: PMC10187214 DOI: 10.1101/2023.05.03.539154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The protein ASC polymerizes into intricate filament networks to assemble the inflammasome, a filamentous multiprotein complex that triggers the inflammatory response. ASC carries two Death Domains integrally involved in protein self-association for filament assembly. We have leveraged this behavior to create non-covalent, pH-responsive hydrogels of full-length, folded ASC by carefully controlling the pH as a critical factor in the polymerization process. We show that natural variants of ASC (ASC isoforms) involved in inflammasome regulation also undergo hydrogelation. To further demonstrate this general capability, we engineered proteins inspired in the ASC structure that successfully form hydrogels. We analyzed the structural network of the natural and engineered protein hydrogels using transmission and scanning electron microscopy, and studied their viscoelastic behavior by shear rheology. Our results reveal one of the very few examples of hydrogels created by the self-assembly of globular proteins and domains in their native conformation and show that Death Domains can be used alone or as building blocks to engineer bioinspired hydrogels.
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13
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Cook KR, Head D, Dougan L. Modelling network formation in folded protein hydrogels by cluster aggregation kinetics. SOFT MATTER 2023; 19:2780-2791. [PMID: 36988480 DOI: 10.1039/d3sm00111c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Globular folded protein-based hydrogels are becoming increasingly attractive due to their specific biological functionality, as well as their responsiveness to stimuli. By modelling folded proteins as colloids, there are rich opportunities to explore network formation mechanisms in protein hydrogels that negate the need for computationally expensive simulations which capture the full complexity of proteins. Here we present a kinetic lattice-based model which simulates the formation of irreversibly chemically crosslinked, folded protein-based hydrogels. We identify the critical point of gel percolation, explore the range of network regimes covering diffusion-limited to reaction-limited cluster aggregation (DLCA and RLCA, respectively) network formation mechanisms and predict the final network structure, fractal dimensions and final gel porosity. We reveal a crossover between DLCA and RLCA mechanisms as a function of protein volume fraction and show how the final network structure is governed by the structure at the percolation point, regardless of the broad variation of non-percolating cluster masses observed across all systems. An analysis of the pore size distribution in the final network structures reveals that, approaching RLCA, gels have larger maximal pores than the DLCA counterparts for both volume fractions studied. This general kinetic model and the analysis tools generate predictions of network structure and concurrent porosity over a broad range of experimentally controllable parameters that are consistent with current expectations and understanding of experimental results.
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Affiliation(s)
- Kalila R Cook
- School of Physics and Astronomy, Faculty of Engineering and Physical Sciences, University of Leeds, Leeds, UK.
| | - David Head
- School of Computing, University of Leeds, Leeds, UK
| | - Lorna Dougan
- School of Physics and Astronomy, Faculty of Engineering and Physical Sciences, University of Leeds, Leeds, UK.
- Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds, UK
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14
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Brown CP, Hughes MDG, Mahmoudi N, Brockwell DJ, Coletta PL, Peyman S, Evans SD, Dougan L. Structural and mechanical properties of folded protein hydrogels with embedded microbubbles. Biomater Sci 2023; 11:2726-2737. [PMID: 36815670 PMCID: PMC10088474 DOI: 10.1039/d2bm01918c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 02/02/2023] [Indexed: 02/11/2023]
Abstract
Globular folded proteins are powerful building blocks to create biomaterials with mechanical robustness and inherent biological functionality. Here we explore their potential as advanced drug delivery scaffolds, by embedding microbubbles (MBs) within a photo-activated, chemically cross-linked bovine serum albumin (BSA) protein network. Using a combination of circular dichroism (CD), rheology, small angle neutron scattering (SANS) and microscopy we determine the nanoscale and mesoscale structure and mechanics of this novel multi-composite system. Optical and confocal microscopy confirms the presence of MBs within the protein hydrogel, their reduced diffusion and their effective rupture using ultrasound, a requirement for burst drug release. CD confirms that the inclusion of MBs does not impact the proportion of folded proteins within the cross-linked protein network. Rheological characterisation demonstrates that the mechanics of the BSA hydrogels is reduced in the presence of MBs. Furthermore, SANS reveals that embedding MBs in the protein hydrogel network results in a smaller number of clusters that are larger in size (∼16.6% reduction in number of clusters, 17.4% increase in cluster size). Taken together, we show that MBs can be successfully embedded within a folded protein network and ruptured upon application of ultrasound. The fundamental insight into the impact of embedded MBs in protein scaffolds at the nanoscale and mesoscale is important in the development of future platforms for targeted and controlled drug delivery applications.
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Affiliation(s)
- Christa P Brown
- School of Physics and Astronomy, Faculty of Engineering and Physical Sciences, University of Leeds, Leeds, UK.
| | - Matt D G Hughes
- School of Physics and Astronomy, Faculty of Engineering and Physical Sciences, University of Leeds, Leeds, UK.
| | - Najet Mahmoudi
- ISIS Neutron and Muon Spallation Source, STFC Rutherford Appleton Laboratory, Oxfordshire, UK
| | - David J Brockwell
- Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds, UK
- School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, UK
| | - P Louise Coletta
- Leeds Institute of Medical Research, Wellcome Trust Brenner Building, St James's University Hospital, Leeds, UK
| | - Sally Peyman
- School of Physics and Astronomy, Faculty of Engineering and Physical Sciences, University of Leeds, Leeds, UK.
| | - Stephen D Evans
- School of Physics and Astronomy, Faculty of Engineering and Physical Sciences, University of Leeds, Leeds, UK.
| | - Lorna Dougan
- School of Physics and Astronomy, Faculty of Engineering and Physical Sciences, University of Leeds, Leeds, UK.
- Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds, UK
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15
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Nadendla K, Simpson GG, Becher J, Journeaux T, Cabeza-Cabrerizo M, Bernardes GJL. Strategies for Conditional Regulation of Proteins. JACS AU 2023; 3:344-357. [PMID: 36873677 PMCID: PMC9975842 DOI: 10.1021/jacsau.2c00654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 06/18/2023]
Abstract
Design of the next-generation of therapeutics, biosensors, and molecular tools for basic research requires that we bring protein activity under control. Each protein has unique properties, and therefore, it is critical to tailor the current techniques to develop new regulatory methods and regulate new proteins of interest (POIs). This perspective gives an overview of the widely used stimuli and synthetic and natural methods for conditional regulation of proteins.
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Affiliation(s)
- Karthik Nadendla
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, CB2 1EW, Cambridge, U.K.
| | - Grant G. Simpson
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, CB2 1EW, Cambridge, U.K.
| | - Julie Becher
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, CB2 1EW, Cambridge, U.K.
| | - Toby Journeaux
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, CB2 1EW, Cambridge, U.K.
| | - Mar Cabeza-Cabrerizo
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, CB2 1EW, Cambridge, U.K.
| | - Gonçalo J. L. Bernardes
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, CB2 1EW, Cambridge, U.K.
- Instituto
de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal
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16
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Pérez-Benito Á, Huerta-López C, Alegre-Cebollada J, García-Aznar JM, Hervas-Raluy S. Computational modelling of the mechanical behaviour of protein-based hydrogels. J Mech Behav Biomed Mater 2023; 138:105661. [PMID: 36630754 DOI: 10.1016/j.jmbbm.2023.105661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/20/2022] [Accepted: 01/04/2023] [Indexed: 01/07/2023]
Abstract
Protein-based hydrogels have been extensively studied in the field of biomaterials given their ability to mimic living tissues and their special resemblance to the extracellular matrix. Despite this, the methods used for the control of mechanical properties of hydrogels are very limited, focusing mainly on their elasticity, with an often unrealistic characterization of mechanical properties such as extensibility, stiffness and viscoelasticity. Being able to control these properties is essential for the development of new biomaterials, since it has been demonstrated that mechanical properties affect cell behaviour and biological processes. To better understand the mechanical behaviour of these biopolymers, a computational model is here developed to characterize the mechanical behaviour of two different protein-based hydrogels. Strain-stress tests and stress-relaxation tests are evaluated computationally and compared to the results obtained experimentally in a previous work. To achieve this goal the Finite Element Method is used, combining hyperelastic and viscoelastic models. Different hyperelastic constitutive models (Mooney-Rivlin, Neo-Hookean, first and third order Ogden, and Yeoh) are proposed to estimate the mechanical properties of the protein-based hydrogels by least-square fitting of the in-vitro uniaxial test results. Among these models, the first order Ogden model with a viscoelastic model defined in Prony parameters better reproduces the strain-stress response and the change of stiffness with strain observed in the in-vitro tests.
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Affiliation(s)
- Ángela Pérez-Benito
- Multiscale in Mechanical and Biological Engineering, Instituto de Investigacion en Ingenieria de Aragon(I3A), University of Zaragoza, Zaragoza, 50014, Spain
| | - Carla Huerta-López
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain
| | | | - José Manuel García-Aznar
- Multiscale in Mechanical and Biological Engineering, Instituto de Investigacion en Ingenieria de Aragon(I3A), University of Zaragoza, Zaragoza, 50014, Spain
| | - Silvia Hervas-Raluy
- Multiscale in Mechanical and Biological Engineering, Instituto de Investigacion en Ingenieria de Aragon(I3A), University of Zaragoza, Zaragoza, 50014, Spain.
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17
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Godoy-Gallardo M, Merino-Gómez M, Matiz LC, Mateos-Timoneda MA, Gil FJ, Perez RA. Nucleoside-Based Supramolecular Hydrogels: From Synthesis and Structural Properties to Biomedical and Tissue Engineering Applications. ACS Biomater Sci Eng 2023; 9:40-61. [PMID: 36524860 DOI: 10.1021/acsbiomaterials.2c01051] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Supramolecular hydrogels are of great interest in tissue scaffolding, diagnostics, and drug delivery due to their biocompatibility and stimuli-responsive properties. In particular, nucleosides are promising candidates as building blocks due to their manifold noncovalent interactions and ease of chemical modification. Significant progress in the field has been made over recent years to allow the use of nucleoside-based supramolecular hydrogels in the biomedical field, namely drug delivery and 3D bioprinting. For example, their long-term stability, printability, functionality, and bioactivity have been greatly improved by employing more than one gelator, incorporating different cations, including silver for antibacterial activity, or using additives such as boric acid or even biomolecules. This now permits their use as bioinks for 3D printing to produce cell-laden scaffolds with specified geometries and pore sizes as well as a homogeneous distribution of living cells and bioactive molecules. We have summarized the latest advances in nucleoside-based supramolecular hydrogels. Additionally, we discuss their synthesis, structural properties, and potential applications in tissue engineering and provide an outlook and future perspective on ongoing developments in the field.
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Affiliation(s)
- Maria Godoy-Gallardo
- Bioengineering Institute of Technology (BIT), Department of Basic Science, International University of Catalonia (UIC), Carrer de Josep Trueta, 08195 Sant Cugat del Vallès, Barcelona, Spain
| | - Maria Merino-Gómez
- Bioengineering Institute of Technology (BIT), Department of Basic Science, International University of Catalonia (UIC), Carrer de Josep Trueta, 08195 Sant Cugat del Vallès, Barcelona, Spain
| | - Luisamaria C Matiz
- Bioengineering Institute of Technology (BIT), Department of Basic Science, International University of Catalonia (UIC), Carrer de Josep Trueta, 08195 Sant Cugat del Vallès, Barcelona, Spain
| | - Miguel A Mateos-Timoneda
- Bioengineering Institute of Technology (BIT), Department of Basic Science, International University of Catalonia (UIC), Carrer de Josep Trueta, 08195 Sant Cugat del Vallès, Barcelona, Spain
| | - F Javier Gil
- Bioengineering Institute of Technology (BIT), Department of Basic Science, International University of Catalonia (UIC), Carrer de Josep Trueta, 08195 Sant Cugat del Vallès, Barcelona, Spain.,Department of Dentistry, Faculty of Dentistry, International University of Catalonia (UIC), Carrer de Josep Trueta, 08195 Sant Cugat del Vallès, Barcelona, Spain
| | - Roman A Perez
- Bioengineering Institute of Technology (BIT), Department of Basic Science, International University of Catalonia (UIC), Carrer de Josep Trueta, 08195 Sant Cugat del Vallès, Barcelona, Spain
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18
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Haq-Siddiqi NA, Britton D, Kim Montclare J. Protein-engineered biomaterials for cartilage therapeutics and repair. Adv Drug Deliv Rev 2023; 192:114647. [PMID: 36509172 DOI: 10.1016/j.addr.2022.114647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 10/17/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022]
Abstract
Cartilage degeneration and injury are major causes of pain and disability that effect millions, and yet treatment options for conditions like osteoarthritis (OA) continue to be mainly palliative or involve complete replacement of injured joints. Several biomaterial strategies have been explored to address cartilage repair either by the delivery of therapeutics or as support for tissue repair, however the complex structure of cartilage tissue, its mechanical needs, and lack of regenerative capacity have hindered this goal. Recent advances in synthetic biology have opened new possibilities for engineered proteins to address these unique needs. Engineered protein and peptide-based materials benefit from inherent biocompatibility and nearly unlimited tunability as they utilize the body's natural building blocks to fabricate a variety of supramolecular structures. The pathophysiology and needs of OA cartilage are presented here, along with an overview of the current state of the art and next steps for protein-engineered repair strategies for cartilage.
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Affiliation(s)
- Nada A Haq-Siddiqi
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, NY 11201, United States
| | - Dustin Britton
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, NY 11201, United States
| | - Jin Kim Montclare
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, NY 11201, United States; Department of Chemistry, New York University, New York 10003, United States; Department of Radiology, New York University Grossman School of Medicine, New York 10016, United States; Department of Biomaterials, NYU College of Dentistry, New York, NY 10010, United States; Department of Biomedical Engineering, New York University Tandon School of Engineering, Brooklyn, NY 11201, United States.
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19
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Chen J, Xu M, Wang L, Li T, Li Z, Wang T, Li P. Converting lysozyme to hydrogel: A multifunctional wound dressing that is more than antibacterial. Colloids Surf B Biointerfaces 2022; 219:112854. [PMID: 36154996 DOI: 10.1016/j.colsurfb.2022.112854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/27/2022] [Accepted: 09/13/2022] [Indexed: 11/19/2022]
Abstract
Wounds are usually irregular in shapes, and accompanied with a series of disorders such as hemorrhage and bacteria contamination. Here, we report a multifunctional hydrogel prepared by phase-transited lysozyme (PTL), which presents antimicrobial, injectable, self-healing, tissue adhesive, hemostatic and biodegradable properties that fit the requirements of wound treatment. The lysozyme was unfolded under the action of tris(2-carboxyethyl)phosphine (TCEP), and then self-assembled into a hydrogel (PTLG). The phase transition expanded the antibacterial spectrum of lysozyme, PTLG effectively killed both Gram-positive bacteria (Staphylococcus aureus, Staphylococcus epidermidis) and Gram-negative bacteria (Escherichia coli, Acinetobacter baumannii) on contact. This dynamically cross-linked hydrogel exhibited injectable and self-healing abilities, and was capable of adapting to various wound morphologies. The tissue-adhesive nature derived from phase-transition, endowed PTLG with hemostatic effect. Meanwhile, PTLG exhibited biocompatibility towards mammalian cells. Furthermore, its anti-infective ability in vivo was verified in a mouse subcutaneous infection model, more than 98 % of S. epidermidis was reduced under PTLG injection. And PTLG could be biodegraded within four weeks in mice body. Overall, the proposed PTLG is a promising multifunctional dressing material that could accommodate the various demands of complex and deep wounds.
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Affiliation(s)
- Jingjie Chen
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi 710072, PR China
| | - Miao Xu
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi 710072, PR China; Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211816, PR China
| | - Lei Wang
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi 710072, PR China
| | - Tian Li
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi 710072, PR China
| | - Ziyue Li
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi 710072, PR China; Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211816, PR China
| | - Tengjiao Wang
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi 710072, PR China
| | - Peng Li
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi 710072, PR China; Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 211816, PR China.
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20
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Sekitmen GB, Su E, Gür SD, İde S, Okay O. Sterilization studies of hydrogel nanocomposites designed for possible biomedical applications before in vivo research. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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21
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The Potential of Pharmaceutical Hydrogels in the Formulation of Topical Administration Hormone Drugs. Polymers (Basel) 2022; 14:polym14163307. [PMID: 36015564 PMCID: PMC9413899 DOI: 10.3390/polym14163307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/12/2022] [Accepted: 08/12/2022] [Indexed: 11/16/2022] Open
Abstract
Hormones have attracted considerable interest in recent years due to their potential use in treatment of many diseases. Their ability to have a multidirectional effect leads to searching for new and increasingly effective drugs and therapies. Limitations in formulating drug forms containing hormones are mainly due to their low enzymatic stability, short half-life and limited bioavailability. One of the solutions may be to develop a hydrogel as a potential hormone carrier, for epidermal and transdermal application. This review discusses the main research directions in developing this drug formulation. The factors determining the action of hormones as drugs are presented. An analysis of hydrogel substrates and permeation enhancers that have the potential to enhance the efficacy of hormones applied to the skin is reviewed.
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22
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Nowitzke J, Popa I. What Is the Force-per-Molecule Inside a Biomaterial Having Randomly Oriented Units? J Phys Chem Lett 2022; 13:7139-7146. [PMID: 35901371 DOI: 10.1021/acs.jpclett.2c01720] [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: 06/15/2023]
Abstract
Both synthetic and natural protein-based materials are made of randomly oriented cross-linked molecules. Here we introduce a coarse-grained approach to estimate the average force-per-molecule for materials made from globular proteins. Our approach has three steps: placement of molecules inside a unit volume, cross-linking, and trimming to remove the protein domains that do not participate to the force response. Following this procedure, we estimate the number of active domains per cross-section area, that allows for a direct calculation of the force-per-domain. Among the variables considered, we found that concentration was the most sensitive parameter. We then synthesized protein hydrogels made from BSA and polyprotein L and measured the stresses that these materials can withstand. We found that forces-per-molecules of up to 17 pN per domain can be obtained experimentally using protein hydrogels. Our approach represents an important step toward understanding the scaling of tension in biomaterials.
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Affiliation(s)
- Joel Nowitzke
- Department of Physics, University of Wisconsin-Milwaukee, 3135 N. Maryland Avenue, Milwaukee, Wisconsin 53211, United States
| | - Ionel Popa
- Department of Physics, University of Wisconsin-Milwaukee, 3135 N. Maryland Avenue, Milwaukee, Wisconsin 53211, United States
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23
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Helmprobst F, Hupfer A, Lauth M, Pagenstecher A. Electron Microscopy of Cells Grown on Polyacrylamide Hydrogels. Curr Protoc 2022; 2:e524. [PMID: 35943400 DOI: 10.1002/cpz1.524] [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: 06/15/2023]
Abstract
The composition of the cell culture environment profoundly affects cultured cells. Standard cell culture equipment such as plastic and glass provide extremely stiff surfaces compared to physiological cell environments (i.e., tissue). A growing body of evidence documents the artificial behavior and morphology of cells cultured on supraphysiologically stiff surfaces, such as glass (elastic modulus ca. 70,000 MPA) or plastic (e.g., polystyrol ca. 3300 MPA). Therefore, polymer-based hydrogels are increasingly employed as more physiologically appropriate (<100 kPA) supports for 2D or 3D culture. Since multiple properties that influence the cultured cells may be easily adjusted, hydrogels have become versatile tools for studying cells in a more native in vitro environment. Polyacrylamide-based hydrogels can be used as culture substrates for a broad variety of adherent cells and are easy to handle in most downstream biological assays, such as immunohistochemistry or molecular biology methods. We faced, however, serious difficulties with processing high stiffness polyacrylamide-based hydrogels for electron microscopy. To overcome this problem, we developed a simple protocol for embedding and processing cells grown on high stiffness polyacrylamide hydrogels that do not require modifications of routine embedding protocols. © 2022 The Authors. Current Protocols published by Wiley Periodicals LLC. Basic Protocol: Embedding of polyacrylamide-based hydrogels for transmission electron microscopy Alternate Protocol 1: Procedure for detached hydrogels Alternate Protocol 2: Procedure for attached hydrogels.
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Affiliation(s)
- Frederik Helmprobst
- Philipps University Marburg, Institute of Neuropathology, Marburg, Germany
- Philipps University Marburg, Core Facility for Mouse Pathology and Electron Microscopy, Marburg, Germany
| | - Anna Hupfer
- Philipps University Marburg, Center for Tumor and Immune Biology, Clinic for Gastroenterology, Endocrinology and Metabolism, Marburg, Germany
| | - Matthias Lauth
- Philipps University Marburg, Center for Tumor and Immune Biology, Clinic for Gastroenterology, Endocrinology and Metabolism, Marburg, Germany
| | - Axel Pagenstecher
- Philipps University Marburg, Institute of Neuropathology, Marburg, Germany
- Philipps University Marburg, Core Facility for Mouse Pathology and Electron Microscopy, Marburg, Germany
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Hughes MD, Cussons S, Mahmoudi N, Brockwell DJ, Dougan L. Tuning Protein Hydrogel Mechanics through Modulation of Nanoscale Unfolding and Entanglement in Postgelation Relaxation. ACS NANO 2022; 16:10667-10678. [PMID: 35731007 PMCID: PMC9331141 DOI: 10.1021/acsnano.2c02369] [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: 05/20/2023]
Abstract
Globular folded proteins are versatile nanoscale building blocks to create biomaterials with mechanical robustness and inherent biological functionality due to their specific and well-defined folded structures. Modulating the nanoscale unfolding of protein building blocks during network formation (in situ protein unfolding) provides potent opportunities to control the protein network structure and mechanics. Here, we control protein unfolding during the formation of hydrogels constructed from chemically cross-linked maltose binding protein using ligand binding and the addition of cosolutes to modulate protein kinetic and thermodynamic stability. Bulk shear rheology characterizes the storage moduli of the bound and unbound protein hydrogels and reveals a correlation between network rigidity, characterized as an increase in the storage modulus, and protein thermodynamic stability. Furthermore, analysis of the network relaxation behavior identifies a crossover from an unfolding dominated regime to an entanglement dominated regime. Control of in situ protein unfolding and entanglement provides an important route to finely tune the architecture, mechanics, and dynamic relaxation of protein hydrogels. Such predictive control will be advantageous for future smart biomaterials for applications which require responsive and dynamic modulation of mechanical properties and biological function.
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Affiliation(s)
- Matt D.
G. Hughes
- School of
Physics and Astronomy, Faculty of Engineering and Physical Sciences, University of Leeds, Leeds LS2 9JT, U.K.
| | - Sophie Cussons
- Astbury Centre
for Structural Molecular Biology, University
of Leeds, Leeds LS2 9JT, U.K.
- School of
Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, U.K.
| | - Najet Mahmoudi
- ISIS
Neutron
and Muon Spallation Source, STFC Rutherford
Appleton Laboratory, Oxfordshire OX11 0QX, U.K.
| | - David J. Brockwell
- Astbury Centre
for Structural Molecular Biology, University
of Leeds, Leeds LS2 9JT, U.K.
- School of
Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, U.K.
| | - Lorna Dougan
- School of
Physics and Astronomy, Faculty of Engineering and Physical Sciences, University of Leeds, Leeds LS2 9JT, U.K.
- Astbury Centre
for Structural Molecular Biology, University
of Leeds, Leeds LS2 9JT, U.K.
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Head D. Viscoelastic Scaling Regimes for Marginally Rigid Fractal Spring Networks. PHYSICAL REVIEW LETTERS 2022; 129:018001. [PMID: 35841566 DOI: 10.1103/physrevlett.129.018001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 05/06/2022] [Accepted: 06/10/2022] [Indexed: 06/15/2023]
Abstract
A family of marginally rigid (isostatic) spring networks with fractal structure up to a controllable length was devised, and the viscoelastic spectra G^{*}(ω) calculated. Two nontrivial scaling regimes were observed, (i) G^{'}≈G^{''}∝ω^{Δ} at low frequencies, consistent with Δ=1/2, and (ii) G^{'}∝G^{''}∝ω^{Δ^{'}} for intermediate frequencies corresponding to fractal structure, consistent with a theoretical prediction Δ^{'}=(ln3-ln2)/(ln3+ln2). The crossover between these two regimes occurred at lower frequencies for larger fractals in a manner suggesting diffusivelike dispersion. Solid gels generated by introducing internal stresses exhibited similar behavior above a low-frequency cutoff, indicating the relevance of these findings to real-world applications.
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Affiliation(s)
- David Head
- School of Computing, University of Leeds, Leeds LS2 9JT, United Kingdom
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Preparation and characterization of a novel antibacterial hydrogel based on thiolated ovalbumin/gelatin with silver ions. INNOV FOOD SCI EMERG 2022. [DOI: 10.1016/j.ifset.2022.103007] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Slawinski M, Khoury LR, Sharma S, Nowitzke J, Gutzman JH, Popa I. Kinetic Method of Producing Pores Inside Protein-Based Biomaterials without Compromising Their Structural Integrity. ACS Biomater Sci Eng 2022; 8:1132-1142. [PMID: 35188361 DOI: 10.1021/acsbiomaterials.1c01534] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Hydrogels made from globular proteins cross-linked covalently into a stable network are becoming an important type of biomaterial, with applications in artificial tissue design and cell culture scaffolds, and represent a promising system to study the mechanical and biochemical unfolding of proteins in crowded environments. Due to the small size of the globular protein domains, typically 2-5 nm, the primary network allows for a limited transfer of protein molecules and prevents the passing of particles and aggregates with dimensions over 100 nm. Here, we demonstrate a method to produce protein materials with micrometer-sized pores and increased permeability. Our approach relies on forming two competing networks: a covalent network made from cross-linked bovine serum albumin (BSA) proteins via a light-activated reaction and a physical network triggered by the aggregation of a polysaccharide, alginate, in the presence of Ca2+ ions. By fine-tuning the reaction times, we produce porous-protein hydrogels that retain the mechanical characteristics of their less-porous counterparts. We further describe a simple model to investigate the kinetic balance between the nucleation of alginate and cross-linking of BSA molecules and find the upper rate of the alginate aggregation reaction driving pore formation. By enabling a more significant permeability for protein-based materials without compromising their mechanical response, our method opens new vistas into studying protein-protein interactions and cell growth and designing novel affinity methods.
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Affiliation(s)
- Marina Slawinski
- Department of Physics, University of Wisconsin-Milwaukee, 3135 N. Maryland Ave, Milwaukee, Wisconsin 53211, United States
| | - Luai R Khoury
- Department of Physics, University of Wisconsin-Milwaukee, 3135 N. Maryland Ave, Milwaukee, Wisconsin 53211, United States.,Department of Materials Science and Engineering, Technion Israel Institute of Technology, Haifa 32000, Israel
| | - Sabita Sharma
- Department of Physics, University of Wisconsin-Milwaukee, 3135 N. Maryland Ave, Milwaukee, Wisconsin 53211, United States
| | - Joel Nowitzke
- Department of Physics, University of Wisconsin-Milwaukee, 3135 N. Maryland Ave, Milwaukee, Wisconsin 53211, United States
| | - Jennifer H Gutzman
- Department of Biological Sciences, University of Wisconsin-Milwaukee, 3209 N. Maryland Ave, Milwaukee, Wisconsin 53211, United States
| | - Ionel Popa
- Department of Physics, University of Wisconsin-Milwaukee, 3135 N. Maryland Ave, Milwaukee, Wisconsin 53211, United States
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