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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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Zhang M, Luo M, Chen G, Guo H, Zhao J. Study on the properties of a dual-system-based protein scaffold for orthogonal self-assembly. Int J Biol Macromol 2024; 256:127946. [PMID: 37977451 DOI: 10.1016/j.ijbiomac.2023.127946] [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: 07/19/2023] [Revised: 10/06/2023] [Accepted: 10/30/2023] [Indexed: 11/19/2023]
Abstract
Protein scaffolds possessing the ability to efficiently organize enzymes to improve the catalytic performance, enzyme stability and provide an optimal micro-environment for biocatalysis. Here, SpyCatcher fused to the C-terminus of Treptavidin (a variant of streptavidin) to construct a chimeric tetramers protein scaffold (Tr-SC) with dual orthogonal conjugation moieties. The results showed that the expressed Tr-SC scaffold was an active tetramer with good stability under 80 °C and pH 6.5-8.5, which could bind 4 SpyTag-mCherry and 4 Biotin-EGFP. Tr-SC scaffold can bind 1-4 ligands alone under different conditions. The order in which protein scaffolds bind to proteins has little effect on the final complex structure. It is more difficult for SpyTag-mCherry than Biotin-EGFP to bind to Tr-SC, so incomplete conjugates of a hexameric complex composed of 2 SpyTag-mCherry and 4 Biotin-EGFP form when the molar ratio of scaffold and two ligands is 1:4:4. Therefore, it was suggest that the Tr-SC can first bind to excess SpyTag-protein and mixed with Biotin-protein to promote the formation of higher multimers. The results can be important reference for more extensive use of Tr-SC to construct heterologous protein polymers and assembly of heterologous enzyme molecular machine in vitro to carry on efficient cascade reaction in the future.
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Affiliation(s)
- Meng Zhang
- Department of Bioengineering and Biotechnology, Huaqiao University, Jimei Ave. 668, Xiamen 361021, China
| | - Mianxing Luo
- Department of Bioengineering and Biotechnology, Huaqiao University, Jimei Ave. 668, Xiamen 361021, China
| | - Guo Chen
- Department of Bioengineering and Biotechnology, Huaqiao University, Jimei Ave. 668, Xiamen 361021, China.
| | - Hongwei Guo
- Department of Bioengineering and Biotechnology, Huaqiao University, Jimei Ave. 668, Xiamen 361021, China
| | - Jun Zhao
- Department of Bioengineering and Biotechnology, Huaqiao University, Jimei Ave. 668, Xiamen 361021, China
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Niidome Y, Wakabayashi R, Goto M, Fujigaya T, Shiraki T. Protein-structure-dependent spectral shifts of near-infrared photoluminescence from locally functionalized single-walled carbon nanotubes based on avidin-biotin interactions. NANOSCALE 2022; 14:13090-13097. [PMID: 35938498 DOI: 10.1039/d2nr01440h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Single-walled carbon nanotubes (SWCNTs) emit photoluminescence (PL) in the near-infrared (NIR) region (>900 nm). To enhance their PL properties, defect doping via local chemical functionalization has been developed. The locally functionalized SWCNTs (lf-SWCNTs) emit red-shifted and bright E11* PL originating from the excitons localized at the defect-doped sites. Here, we observe the E11* PL energy shifts induced by protein adsorption via the avidin-biotin interactions at the doped sites of lf-SWCNTs. We establish that the difference in the structures of the avidin derivatives notably influences the energy shifts. First, lf-SWCNT-tethering biotin groups (lf-SWCNTs-b) are synthesized based on diazonium chemistry, followed by post-modification. The responsiveness of the lf-SWCNTs-b to different microenvironments is investigated, and a correlation between the E11* PL energy shift and the induction-polarity parameters of surrounding solvents is established. The adsorption of neutravidin onto the lf-SWCNTs-b induces an increase in the induction-polarity parameters around the biotin-doped sites, resulting in the red-shift of the E11* PL peak. The E11* PL shift behaviors of the lf-SWCNTs-b change noticeably when avidin and streptavidin are introduced compared to the case with neutravidin. This is due to the different microenvironments formed at the biotin-doped sites, attributed to the difference in the structural features of the introduced avidin derivatives. Moreover, we successfully enhance the detection signals of lf-SWCNTs-b (>three fold) for streptavidin detection using a fabricated film device. Therefore, lf-SWCNTs exhibit significant promise for application in advanced protein detection/recognition devices based on NIR PL.
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Affiliation(s)
- Yoshiaki Niidome
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
| | - Rie Wakabayashi
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
| | - Masahiro Goto
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
- Center for Future Chemistry (CFC), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Tsuyohiko Fujigaya
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
- Center for Molecular Systems (CMS), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Tomohiro Shiraki
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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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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Yamaguchi S, Chujo K, Ohashi N, Minamihata K, Nagamune T. Photo‐Degradable Protein‐Polymer Hybrid Shells for Caging Living Cells. Chemistry 2022; 28:e202103941. [DOI: 10.1002/chem.202103941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Indexed: 11/08/2022]
Affiliation(s)
- Satoshi Yamaguchi
- Research Center for Advanced Science and Technology The University of Tokyo 4-6-1 Komaba, Meguro-ku Tokyo 153–8904 Japan
| | - Kazuki Chujo
- Department of Chemistry and Biotechnology The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113–8656 Japan
| | - Noriyuki Ohashi
- Department of Chemistry and Biotechnology The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113–8656 Japan
| | - Kosuke Minamihata
- Department of Applied Chemistry Graduate School of Engineering Kyushu University 744 Moto-oka Fukuoka 819–0395 Japan
| | - Teruyuki Nagamune
- Department of Chemistry and Biotechnology The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113–8656 Japan
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Molecular super-gluing: a straightforward tool for antibody labelling and its application to mycotoxin biosensing. Anal Bioanal Chem 2022; 414:5373-5384. [PMID: 34978587 PMCID: PMC9242940 DOI: 10.1007/s00216-021-03841-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/30/2021] [Accepted: 12/08/2021] [Indexed: 11/29/2022]
Abstract
Mycotoxins are low molecular weight toxic compounds, which can cause severe health problems in animals and humans. Immunoassays allow rapid, simple and cost-effective screening of mycotoxins. Sandwich assays with a direct readout provide great improvement in terms of selectivity and sensitivity, compared to the widely used competitive assay formats, for the analysis of low molecular weight molecules. In this work, we report a non-competitive fluorescence anti-immune complex (IC) immunoassay, based on the specific recognition of HT-2 toxin with a pair of recombinant antibody fragments, namely antigen-binding fragment (Fab) (anti-HT-2 (10) Fab) and single-chain variable fragment (scFv) (anti-IC HT-2 (10) scFv). The SpyTag and SpyCatcher glue proteins were applied for the first time as a bioconjugation tool for the analysis of mycotoxins. To this aim, a SpyTag-mScarlet-I (fluorescent protein) and scFv-SpyCatcher fusion proteins were constructed, produced and fused in situ during the assay by spontaneous Tag-Catcher binding. The assay showed an excellent sensitivity with an EC50 of 4.8 ± 0.4 ng mL−1 and a dynamic range from 1.7 ± 0.3 to 13 ± 2 ng mL−1, an inter-day reproducibility of 8.5% and a high selectivity towards HT-2 toxin without cross-reactivity with other Fusarium toxins. The bioassay was applied to the analysis of the toxin in an oat reference material and in oat samples, with a LOD of 0.6 µg kg−1, and the results were validated by analysing a certificate reference material and by HPLC–MS/MS.
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Yamaguchi S, Ohashi N, Minamihata K, Nagamune T. Photodegradable avidin-biotinylated polymer conjugate hydrogels for cell manipulation. Biomater Sci 2021; 9:6416-6424. [PMID: 34195701 DOI: 10.1039/d1bm00585e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Protein-synthetic polymer hybrid hydrogels crosslinked via protein-ligand binding are promising materials for the three-dimensional culture of various cells, while photo-responsive hydrogels have been widely used for the spatio-temporal control of cell functions and patterning. Photo-responsive protein-polymer hybrid hydrogels are therefore attractive candidates for use in cell and artificial tissue fabrication; however, no examples combining these properties have been reported to date. Herein, a photodegradable hydrogel consisting of avidin and biotinylated polyethylene glycol (PEG) was developed as a multi-functional matrix for cell culture and sorting. A four-branched PEG with a biotinylated photocleavable group at the end of each chain was crosslinked with avidin to produce a photodegradable hydrogel. A cytokine-dependent immunocyte was successfully cultured in the hydrogel by supplying cytokine from a medium layered on the hydrogel. Additionally, the adhesion and survival of fibroblasts could be controlled by decorating the hydrogel with a biotinylated cell-adhesive peptide. Cells embedded in the hydrogels could be recovered without cell damage as a result of light-induced hydrogel degradation. Moreover, model target cells expressing red fluorescent protein were selectively liberated from a hydrogel containing cells of different colors by irradiating with a targeted light. Owing to both the selective biotin-binding ability of avidin and the photocleavable properties of the synthetic polymer, the hydrogels were easy to prepare and decorate with functional molecules; they provided an internal structure suitable for cell culture, and allowed light-guided cell manipulation. The hydrogels are therefore expected to contribute to various cell fabrication processes as useful cell engineering and sorting tools.
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Affiliation(s)
- Satoshi Yamaguchi
- Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan. and PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Hon-cho, Kawaguchi, Saitama 351-0198, Japan
| | - Noriyuki Ohashi
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kosuke Minamihata
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Moto-oka, Fukuoka 819-0395, Japan
| | - Teruyuki Nagamune
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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