101
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Avadanei M, Brunchi CE. Wheat gliadin/xanthan gum intermolecular complexes: Interaction mechanism and structural characterization. Food Chem 2024; 460:140619. [PMID: 39067426 DOI: 10.1016/j.foodchem.2024.140619] [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: 05/15/2024] [Revised: 07/10/2024] [Accepted: 07/22/2024] [Indexed: 07/30/2024]
Abstract
In this study, the interactions between wheat gliadin (GL) and xanthan gum (XG) were investigated to design new systems with potential applications as a gluten-free substitute product. Combining spectral with morphological and molecular docking methods allowed the establishment of the complexation mechanism between globular hydrophobic GL and the hydrophilic XG with an extended and partially disordered backbone. GL maintains intact its hydrophobic core even at high GL/XG ratios and organizes into small aggregate-type assemblies. The stable and uniform complexes have a low GL content, based on intermolecular hydrogen bonds and hydrophobic interactions. The GL/XG combining ratio influences the size, structure and interaction mechanism of the microparticles. The preferred sites of interaction and the binding affinities were determined by molecular docking on GL libraries and XG models. This research may provide significant knowledge for the development of low-GL wheat food products using a dietary fiber polysaccharide as a functional compound.
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Affiliation(s)
- Mihaela Avadanei
- "Petru Poni" Institute of Macromolecular Chemistry, 41A, Grigore Ghica Voda Alley, 700487, Iasi, Romania
| | - Cristina-Eliza Brunchi
- "Petru Poni" Institute of Macromolecular Chemistry, 41A, Grigore Ghica Voda Alley, 700487, Iasi, Romania.
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102
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An B, Xu M, Sun W, Ma C, Luo S, Li J, Liu S, Li W. Butterfly wing-inspired superhydrophobic photonic cellulose nanocrystal films for vapor sensors and asymmetric actuators. Carbohydr Polym 2024; 345:122595. [PMID: 39227114 DOI: 10.1016/j.carbpol.2024.122595] [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: 04/24/2024] [Revised: 07/15/2024] [Accepted: 08/07/2024] [Indexed: 09/05/2024]
Abstract
Cellulose nanocrystals (CNCs)-based stimuli responsive photonic materials demonstrate great application potential in mechanical and chemical sensors. However, due to the hydrophilic property of cellulose molecular, a significant challenge is to build a water-resistant photonic CNCs material. Here, inspired by butterfly wings with vivid structural color and superhydrophobic property, we have designed a CNCs based superhydrophobic iridescent film with hierarchical structures. The iridescent colored layer is ascribed to the chiral nematic alignment of CNCs, the superhydrophobic layer is ascribed to the micro-nano structures of polymer microspheres. Specially, superhydrophobic iridescent CNCs film could be used as an efficient colorimetric humidity sensor due to the existence of 'stomates' on superhydrophobic layer, which allowed the humid gas to enter into and out from the humidity responsive chiral nematic layers. Meanwhile, superhydrophobic iridescent films show out-standing self-cleaning and anti-fouling performance. Moreover, when the one side of the CNCs film was covered with superhydrophobic layer, the Janus film displays asymmetric expansion and bending behaviors as well as responsive structural colors in hydrous ethanol. This CNCs based hierarchical photonic materials have promising applications including photonic sensors suitable for extreme environment and smart photonic actuators.
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Affiliation(s)
- Bang An
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Mingcong Xu
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China.
| | - Wenye Sun
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Chunhui Ma
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Sha Luo
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Jian Li
- Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Shouxin Liu
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China; Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin 150040, China.
| | - Wei Li
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China.
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103
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Kumagai A, Sakakibara K. Effect of pectin modification on the properties of cellulose nanofibrils prepared from citrus peel. Carbohydr Polym 2024; 345:122556. [PMID: 39227119 DOI: 10.1016/j.carbpol.2024.122556] [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: 02/29/2024] [Revised: 07/25/2024] [Accepted: 07/29/2024] [Indexed: 09/05/2024]
Abstract
Cellulose nanofibrils (CNFs) from non-woody biomass, including citrus peel (CpCNFs), are promising naturally occurring nanomaterials; however, their properties depend on the composition of non-cellulosic components, including pectin. In this study, the effects of pectin modifications on CpCNFs were examined, including demethylesterification using alkaline treatment and enzymatic degradation of pectin using pectinase. CpCNFs could be redispersed in water with little aggregation after drying; however, the redispersibilities of both alkaline-treated (AT-CpCNFs) and pectinase-treated CpCNFs (PT-CpCNFs) were improved. Both AT-CpCNFs and PT-CpCNFs exhibited higher viscosity than untreated CpCNFs (UT-CpCNFs); redispersion in water after drying further increased the viscosity. A quartz crystal microbalance revealed that interactions between AT-CpCNFs were barely detectable, and interactions between PT-CpCNFs were stronger than those between UT-CpCNFs. The increase in the carboxylate groups of pectin due to demethylesterification in AT-CpCNF may have increased the viscosity and reduced the interactions between AT-CpCNFs, explaining the improved redispersibility. The increase in the viscosity of PT-CpCNFs may be attributed to the increased purity of CNFs, which is assumed to be more viscous than pectin. Our results show that the properties of CpCNFs are affected by the structure, properties, and content of pectin and can be controlled by pectin modification.
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Affiliation(s)
- Akio Kumagai
- Research Institute for Sustainable Chemistry, Department of Materials and Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), 3-11-32 Kagamiyama, Higashi, Hiroshima, Hiroshima 737-0046, Japan.
| | - Keita Sakakibara
- Research Institute for Sustainable Chemistry, Department of Materials and Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), 3-11-32 Kagamiyama, Higashi, Hiroshima, Hiroshima 737-0046, Japan
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104
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Yang X, Kimura M, Zhao Q, Ryo K, Descallar FBA, Matsukawa S. Gelation of gellan induced by trivalent cations and coexisting trivalent with monovalent cations studied by rheological and DSC measurements. Carbohydr Polym 2024; 345:122485. [PMID: 39227087 DOI: 10.1016/j.carbpol.2024.122485] [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: 03/09/2024] [Revised: 06/28/2024] [Accepted: 07/09/2024] [Indexed: 09/05/2024]
Abstract
The effect of trivalent cation Fe3+ on the gelation process of a sodium salt form of gellan (DG, deacylated gellan gum) was investigated by rheology and DSC studies. On addition of a fairly low concentration of Fe3+ (1 mM), both the complex modulus (G*) of a 1.0 % DG solution in gel state and the sol-gel transition temperature (Tgel) slightly decreased. At higher Fe3+ concentrations (2 and 3 mM), however, a slight increase in the G* and Tgel was observed. In the coexisting monovalent cation (K+) solutions, addition of Fe3+ always improved the G* in gel state and the Tgel in a concentration-dependent manner. Moreover, for all Fe3+ DG solutions, the ordered structure formation temperature (Torder) was always lower than Tgel and increased with increasing Fe3+ concentration. This finding indicates that the network formation in the DG solutions should occur in advance of the ordered structure formation of the DG chains and that the presence of Fe3+ unfavorably affected the conformational transition of DG. In coexisting cation solution, the presence of K+ ion made a favorable contribution to the binding of Fe3+ to the disordered DG chains and to the subsequent ordered structure formation of the DG chains.
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Affiliation(s)
- Xi Yang
- Department of Food Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan
| | - Momoka Kimura
- Department of Food Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan
| | - Qiuhua Zhao
- Department of Chemistry, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China
| | - Koki Ryo
- Department of Food Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan
| | - Faith Bernadette A Descallar
- Department of Food Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan
| | - Shingo Matsukawa
- Department of Food Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan.
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105
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Barman S, Kurnaz LB, Leighton R, Hossain MW, Decho AW, Tang C. Intrinsic antimicrobial resistance: Molecular biomaterials to combat microbial biofilms and bacterial persisters. Biomaterials 2024; 311:122690. [PMID: 38976935 PMCID: PMC11298303 DOI: 10.1016/j.biomaterials.2024.122690] [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: 12/03/2023] [Revised: 05/13/2024] [Accepted: 06/26/2024] [Indexed: 07/10/2024]
Abstract
The escalating rise in antimicrobial resistance (AMR) coupled with a declining arsenal of new antibiotics is imposing serious threats to global public health. A pervasive aspect of many acquired AMR infections is that the pathogenic microorganisms exist as biofilms, which are equipped with superior survival strategies. In addition, persistent and recalcitrant infections are seeded with bacterial persister cells at infection sites. Together, conventional antibiotic therapeutics often fail in the complete treatment of infections associated with bacterial persisters and biofilms. Novel therapeutics have been attempted to tackle AMR, biofilms, and persister-associated complex infections. This review focuses on the progress in designing molecular biomaterials and therapeutics to address acquired and intrinsic AMR, and the fundamental microbiology behind biofilms and persisters. Starting with a brief introduction of AMR basics and approaches to tackling acquired AMR, the emphasis is placed on various biomaterial approaches to combating intrinsic AMR, including (1) semi-synthetic antibiotics; (2) macromolecular or polymeric biomaterials mimicking antimicrobial peptides; (3) adjuvant effects in synergy; (4) nano-therapeutics; (5) nitric oxide-releasing antimicrobials; (6) antimicrobial hydrogels; (7) antimicrobial coatings. Particularly, the structure-activity relationship is elucidated in each category of these biomaterials. Finally, illuminating perspectives are provided for the future design of molecular biomaterials to bypass AMR and cure chronic multi-drug resistant (MDR) infections.
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Affiliation(s)
- Swagatam Barman
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, United States; Department of Environmental Health Sciences, University of South Carolina, Columbia, SC, 29208, United States
| | - Leman Buzoglu Kurnaz
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, United States
| | - Ryan Leighton
- Department of Environmental Health Sciences, University of South Carolina, Columbia, SC, 29208, United States
| | - Md Waliullah Hossain
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, United States
| | - Alan W Decho
- Department of Environmental Health Sciences, University of South Carolina, Columbia, SC, 29208, United States.
| | - Chuanbing Tang
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, United States.
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106
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Li P, Li J, Levin J, Kierulf A, Smoot J, Atkins Z, Khazdooz L, Zarei A, Marshall M, Abbaspourrad A. Edible structuring agent shaped via interfacial precipitation on solid template: Crosslinked starch colloidosome. Carbohydr Polym 2024; 345:122537. [PMID: 39227089 PMCID: PMC11401607 DOI: 10.1016/j.carbpol.2024.122537] [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: 05/17/2024] [Revised: 07/12/2024] [Accepted: 07/22/2024] [Indexed: 09/05/2024]
Abstract
Water-permeable hollow starch particles alter the rheological behavior of their granular suspensions. However, their thin shells can rupture limiting applications. In this study, we used amaranth starch as building blocks (1 μm) to craft a crosslinked superstructure. Pickering emulsions were used as the templates where starch coated the droplets. Emulsions were heated at 75 °C to induce interpenetration of the polymers followed by precipitation in ethanol to trigger colloidal fusion. Particles were then crosslinked by sodium tri-metaphosphate; hollow particles formed after the interior template was removed by hexane. When canola oil was used, the particles ruptured at pH 11.5 due to the repulsion between the strands. In contrast, palm oil, emulsified at 50 °C, formed a rigid core after cooling, locked the starch at the surface and retained the structure. The crosslinked colloidosomes were larger (89 μm) and exhibited higher viscosity, and stronger stability. Larger particles (>100 μm) were produced using higher templating volume. Gentle centrifugation to harvest the particles kept the shells intact. The hollow structure exhibited jamming transition above 10 w/w%, which could serve as a super-thickener. This work demonstrates that microarchitecture plays a critical role in shaping material functionality.
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Affiliation(s)
- Peilong Li
- Department of Food Science, Cornell University, Ithaca, NY 14853, USA
| | - Jieying Li
- Department of Food Science, Cornell University, Ithaca, NY 14853, USA
| | - Jacob Levin
- Department of Food Science, Cornell University, Ithaca, NY 14853, USA
| | - Arkaye Kierulf
- Tate & Lyle Solutions USA LLC, 5450 Prairie Stone Pkwy, Hoffman Estates, IL 60192, USA
| | - James Smoot
- Tate & Lyle Solutions USA LLC, 5450 Prairie Stone Pkwy, Hoffman Estates, IL 60192, USA
| | - Zoe Atkins
- Department of Food Science, Cornell University, Ithaca, NY 14853, USA
| | - Leila Khazdooz
- Department of Food Science, Cornell University, Ithaca, NY 14853, USA
| | - Amin Zarei
- Department of Food Science, Cornell University, Ithaca, NY 14853, USA
| | - Melanie Marshall
- Department of Food Science, Cornell University, Ithaca, NY 14853, USA
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107
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Cao L, Van de Walle D, Hirmz H, Wynendaele E, Dewettinck K, Parakhonskiy BV, Skirtach AG. Food-based biomaterials: pH-responsive alginate/gellan gum/carboxymethyl cellulose hydrogel beads for lactoferrin delivery. BIOMATERIALS ADVANCES 2024; 165:213999. [PMID: 39213959 DOI: 10.1016/j.bioadv.2024.213999] [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: 11/06/2023] [Revised: 05/15/2024] [Accepted: 08/17/2024] [Indexed: 09/04/2024]
Abstract
The present study utilizes a combination of sodium alginate (Alg), gellan gum (GG), and sodium carboxymethyl cellulose (CMC) to fabricate a ternary composite hydrogel system to encapsulate and release lactoferrin (LF). Rheological properties as well as extensive microscopy and spectroscopy characterization are performed on these materials demonstrating that the physical properties of the resultant hydrogels, such as particle size, water content, gray value, and shrinkage rate were related to the concentration of Alg. In addition, most of these hydrogels were found to have reticulated shells and inner laminar structures assembled based on hydrogen bonding and electrostatic forces. Furthermore, the encapsulation efficiency of LF in hydrogels ranged from 78.3 ± 0.3 to 83.5 ± 0.2 %. Notably, a small amount of encapsulated LF was released from the hydrogel beads in an acid environment (up to 2.2 ± 0.3 % in 2 h), while a controlled release manner was found to take place in an alkaline environment. This phenomenon indicated the potential of these hydrogels as promising matrices for bioactive compound loading and adsorption. The release mechanism varied from Alg concentration suggesting the tunable and versatile properties of this ternary composite hydrogel system. Our findings identify the potential of Alg-GG-CMC hydrogel as a delivery system suitable for various applications in the food industry.
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Affiliation(s)
- Lin Cao
- Nano-Biotechnology Laboratory, Department of Biotechnology, Ghent University, 9000 Ghent, Belgium
| | - Davy Van de Walle
- Food Structure and Function Laboratory, Department of Food Technology, Safety and Health, Ghent University, 9000 Ghent, Belgium
| | - Hannah Hirmz
- Drug Quality & Registration, Faculty of Pharmaceutical Sciences, Ghent University, 9000 Ghent, Belgium
| | - Evelien Wynendaele
- Drug Quality & Registration, Faculty of Pharmaceutical Sciences, Ghent University, 9000 Ghent, Belgium
| | - Koen Dewettinck
- Food Structure and Function Laboratory, Department of Food Technology, Safety and Health, Ghent University, 9000 Ghent, Belgium
| | - Bogdan V Parakhonskiy
- Nano-Biotechnology Laboratory, Department of Biotechnology, Ghent University, 9000 Ghent, Belgium.
| | - Andre G Skirtach
- Nano-Biotechnology Laboratory, Department of Biotechnology, Ghent University, 9000 Ghent, Belgium.
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108
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Zhang T, Sheng S, Cai W, Yang H, Li J, Niu L, Chen W, Zhang X, Zhou Q, Gao C, Li Z, Zhang Y, Wang G, Shen H, Zhang H, Hu Y, Yin Z, Chen X, Liu Y, Cui J, Su J. 3-D bioprinted human-derived skin organoids accelerate full-thickness skin defects repair. Bioact Mater 2024; 42:257-269. [PMID: 39285913 PMCID: PMC11404058 DOI: 10.1016/j.bioactmat.2024.08.036] [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: 07/10/2024] [Revised: 08/25/2024] [Accepted: 08/27/2024] [Indexed: 09/19/2024] Open
Abstract
The healing of large skin defects remains a significant challenge in clinical settings. The lack of epidermal sources, such as autologous skin grafting, limits full-thickness skin defect repair and leads to excessive scar formation. Skin organoids have the potential to generate a complete skin layer, supporting in-situ skin regeneration in the defect area. In this study, skin organoid spheres, created with human keratinocytes, fibroblasts, and endothelial cells, showed a specific structure with a stromal core surrounded by surface keratinocytes. We selected an appropriate bioink and innovatively combined an extrusion-based bioprinting technique with dual-photo source cross-linking technology to ensure the overall mechanical properties of the 3D bioprinted skin organoid. Moreover, the 3D bioprinted skin organoid was customized to match the size and shape of the wound site, facilitating convenient implantation. When applied to full-thickness skin defects in immunodeficient mice, the 3D bioprinted human-derived skin organoid significantly accelerated wound healing through in-situ regeneration, epithelialization, vascularization, and inhibition of excessive inflammation. The combination of skin organoid and 3D bioprinting technology can overcome the limitations of current skin substitutes, offering a novel treatment strategy to address large-area skin defects.
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Affiliation(s)
- Tao Zhang
- Department of Orthopedics, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200433, China
- Department of Orthopedics, First Affiliated Hospital, Naval Medical University, Shanghai, 200433, China
| | - Shihao Sheng
- Department of Orthopedics, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200433, China
| | - Weihuang Cai
- School of Mechatronic Engineering and Automation, Shanghai University, Shanghai, 200444, China
| | - Huijian Yang
- Department of Laboratory Medicine, Shanghai Zhongye Hospital, Shanghai, 200941, China
| | - Jiameng Li
- Department of Orthopedics, First Affiliated Hospital, Naval Medical University, Shanghai, 200433, China
| | - Luyu Niu
- Department of Orthopedics, First Affiliated Hospital, Naval Medical University, Shanghai, 200433, China
| | - Wanzhuo Chen
- Department of Orthopedics, First Affiliated Hospital, Naval Medical University, Shanghai, 200433, China
| | - Xiuyuan Zhang
- Department of Orthopedics, First Affiliated Hospital, Naval Medical University, Shanghai, 200433, China
| | - Qirong Zhou
- Department of Orthopedics, First Affiliated Hospital, Naval Medical University, Shanghai, 200433, China
| | - Chuang Gao
- School of Mechatronic Engineering and Automation, Shanghai University, Shanghai, 200444, China
| | - Zuhao Li
- Department of Orthopedics, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200433, China
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China
- Trauma Orthopedics Center, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
- Institute of Musculoskeletal Injury and Translational Medicine of Organoids, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Yuanwei Zhang
- Department of Orthopedics, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200433, China
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China
- Trauma Orthopedics Center, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
- Institute of Musculoskeletal Injury and Translational Medicine of Organoids, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Guangchao Wang
- Department of Orthopedics, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200433, China
- Trauma Orthopedics Center, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
- Institute of Musculoskeletal Injury and Translational Medicine of Organoids, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Hao Shen
- Department of Orthopedics, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200433, China
- Trauma Orthopedics Center, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
- Institute of Musculoskeletal Injury and Translational Medicine of Organoids, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Hao Zhang
- Department of Orthopedics, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200433, China
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China
- Trauma Orthopedics Center, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
- Institute of Musculoskeletal Injury and Translational Medicine of Organoids, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Yan Hu
- Department of Orthopedics, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200433, China
- Trauma Orthopedics Center, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
- Institute of Musculoskeletal Injury and Translational Medicine of Organoids, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Zhifeng Yin
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China
- Department of Orthopedics, Shanghai Zhongye Hospital, Shanghai, 200941, China
| | - Xiao Chen
- Department of Orthopedics, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200433, China
- Trauma Orthopedics Center, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
- Institute of Musculoskeletal Injury and Translational Medicine of Organoids, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Yuanyuan Liu
- School of Mechatronic Engineering and Automation, Shanghai University, Shanghai, 200444, China
- Wenzhou Institute of Shanghai University, Wenzhou, 325000, China
| | - Jin Cui
- Department of Orthopedics, First Affiliated Hospital, Naval Medical University, Shanghai, 200433, China
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China
| | - Jiacan Su
- Department of Orthopedics, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200433, China
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China
- Institute of Biomedicine, Shanghai University, Shanghai, 200444, China
- National Center for Translational Medicine (Shanghai), SHU Branch, Shanghai University, Shanghai, 200444, China
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109
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Balaban Hanoglu S, Harmanci D, Evran S, Timur S. Detection strategies of infectious diseases via peptide-based electrochemical biosensors. Bioelectrochemistry 2024; 160:108784. [PMID: 39094447 DOI: 10.1016/j.bioelechem.2024.108784] [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: 04/30/2024] [Revised: 07/21/2024] [Accepted: 07/24/2024] [Indexed: 08/04/2024]
Abstract
Infectious diseases have threatened human life for as long as humankind has existed. One of the most crucial aspects of fighting against these infections is diagnosis to prevent disease spread. However, traditional diagnostic methods prove insufficient and time-consuming in the face of a pandemic. Therefore, studies focusing on detecting viruses causing these diseases have increased, with a particular emphasis on developing rapid, accurate, specific, user-friendly, and portable electrochemical biosensor systems. Peptides are used integral components in biosensor fabrication for several reasons, including various and adaptable synthesis protocols, long-term stability, and specificity. Here, we discuss peptide-based electrochemical biosensor systems that have been developed over the last decade for the detection of infectious diseases. In contrast to other reports on peptide-based biosensors, we have emphasized the following points i) the synthesis methods of peptides for biosensor applications, ii) biosensor fabrication approaches of peptide-based electrochemical biosensor systems, iii) the comparison of electrochemical biosensors with other peptide-based biosensor systems and the advantages and limitations of electrochemical biosensors, iv) the pros and cons of peptides compared to other biorecognition molecules in the detection of infectious diseases, v) different perspectives for future studies with the shortcomings of the systems developed in the past decade.
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Affiliation(s)
- Simge Balaban Hanoglu
- Department of Biochemistry, Faculty of Science, Ege University, Bornova, Izmir 35100, Turkey.
| | - Duygu Harmanci
- Central Research Test and Analysis Laboratory, Application and Research Center, Ege University, Bornova, Izmir 35100, Turkey
| | - Serap Evran
- Department of Biochemistry, Faculty of Science, Ege University, Bornova, Izmir 35100, Turkey
| | - Suna Timur
- Department of Biochemistry, Faculty of Science, Ege University, Bornova, Izmir 35100, Turkey; Central Research Test and Analysis Laboratory, Application and Research Center, Ege University, Bornova, Izmir 35100, Turkey.
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110
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Zhou W, Chai Y, Lu S, Yang Q, Tang L, Zhou D. Advances in the study of tissue-engineered retinal pigment epithelial cell sheets. Regen Ther 2024; 27:419-433. [PMID: 38694444 PMCID: PMC11062139 DOI: 10.1016/j.reth.2024.04.008] [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: 02/22/2024] [Revised: 03/22/2024] [Accepted: 04/11/2024] [Indexed: 05/04/2024] Open
Abstract
Regarded as the most promising treatment modality for retinal degenerative diseases, retinal pigment epithelium cell replacement therapy holds significant potential. Common retinal degenerative diseases, including Age-related Macular Degeneration, are frequently characterized by damage to the unit comprising photoreceptors, retinal pigment epithelium, and Bruch's membrane. The selection of appropriate tissue engineering materials, in conjunction with retinal pigment epithelial cells, for graft preparation, can offer an effective treatment for retinal degenerative diseases. This article presents an overview of the research conducted on retinal pigment epithelial cell tissue engineering, outlining the challenges and future prospects.
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Affiliation(s)
- Wang Zhou
- NHC Key Laboratory of Human Stem and Reproductive Engineering, School of Basic Medical Science, Central South University, Changsha, China
- National Engineering Research Center of Human Stem Cells, Changsha, China
| | - Yujiao Chai
- NHC Key Laboratory of Human Stem and Reproductive Engineering, School of Basic Medical Science, Central South University, Changsha, China
- National Engineering Research Center of Human Stem Cells, Changsha, China
| | - Shan Lu
- National Engineering Research Center of Human Stem Cells, Changsha, China
- Hunan Guangxiu Hospital, Hunan Normal University, Changsha, China
| | - Qiaohui Yang
- NHC Key Laboratory of Human Stem and Reproductive Engineering, School of Basic Medical Science, Central South University, Changsha, China
- Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China
| | - Liying Tang
- NHC Key Laboratory of Human Stem and Reproductive Engineering, School of Basic Medical Science, Central South University, Changsha, China
- National Engineering Research Center of Human Stem Cells, Changsha, China
| | - Di Zhou
- NHC Key Laboratory of Human Stem and Reproductive Engineering, School of Basic Medical Science, Central South University, Changsha, China
- National Engineering Research Center of Human Stem Cells, Changsha, China
- Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China
- National Center for Drug Evaluation, National Medical Products Administration, Beijing, China
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111
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Xiang Y, Zhao Z, Yao EJ, Balayan A, Fiering SN, Steinmetz NF, Chen S. Multifaceted cancer alleviation by cowpea mosaic virus in a bioprinted ovarian cancer peritoneal spheroid model. Biomaterials 2024; 311:122663. [PMID: 38878481 DOI: 10.1016/j.biomaterials.2024.122663] [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: 01/29/2024] [Revised: 06/01/2024] [Accepted: 06/08/2024] [Indexed: 08/06/2024]
Abstract
Ovarian cancer (OvCa) is a leading cause of mortality among gynecological malignancies and usually manifests as intraperitoneal spheroids that generate metastases, ascites, and an immunosuppressive tumor microenvironment. In this study, we explore the immunomodulatory properties of cowpea mosaic virus (CPMV) as an adjuvant immunotherapeutic agent using an in vitro model of OvCa peritoneal spheroids. Previous findings highlighted the potent efficacy of intratumoral CPMV against OvCa in mouse tumor models. Leveraging the precision control over material deposition and cell patterning afforded by digital-light-processing (DLP) based bioprinting, we constructed OvCa-macrophage spheroids to mimic peritoneal spheroids using gelatin methacrylate (GelMA), a collagen-derived photopolymerizable biomaterial to mimic the extracellular matrix. Following CPMV treatment, bioprinted spheroids exhibited inhibited OvCa progression mediated by macrophage activation. Our analysis indicates that CPMV regulates and activates macrophage to both induce OvCa cell killing and restore normal cell-cell junctions. This study deepened our understanding of the mechanism of CPMV intratumoral immunotherapy in the setting of OvCa. This study also highlights the potential of studying immunotherapies using high throughput tissue models via DLP bioprinting.
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Affiliation(s)
- Yi Xiang
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA
| | - Zhongchao Zhao
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Center for Nano-ImmunoEngineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Moores Cancer Center, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA
| | - Emmie J Yao
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA
| | - Alis Balayan
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; School of Medicine, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA
| | - Steven N Fiering
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Lebanon, NH, 03756, USA; Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth and Dartmouth Health, Lebanon, NH, 03756, USA
| | - Nicole F Steinmetz
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Center for Nano-ImmunoEngineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Moores Cancer Center, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Department of Radiology, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Shu Chien-Gene Lay Department of Bioengineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Institute for Materials Discovery and Design, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Center for Engineering in Cancer, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Shu and K.C. Chien and Peter Farrell Collaboratory, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA.
| | - Shaochen Chen
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Center for Nano-ImmunoEngineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Shu Chien-Gene Lay Department of Bioengineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Institute for Materials Discovery and Design, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA.
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112
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Li Y, Feng Q, Wang L, Gao X, Xi Y, Ye L, Ji J, Yang X, Zhai G. Current targeting strategies and advanced nanoplatforms for atherosclerosis therapy. J Drug Target 2024; 32:128-147. [PMID: 38217526 DOI: 10.1080/1061186x.2023.2300694] [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: 09/16/2023] [Accepted: 12/24/2023] [Indexed: 01/15/2024]
Abstract
Atherosclerosis is one of the major causes of death worldwide, and it is closely related to many cardiovascular diseases, such as stroke, myocardial infraction and angina. Although traditional surgical and pharmacological interventions can effectively retard or slow down the progression of atherosclerosis, it is very difficult to prevent or even reverse this disease. In recent years, with the rapid development of nanotechnology, various nanoagents have been designed and applied to different diseases including atherosclerosis. The unique atherosclerotic microenvironment with signature biological components allows nanoplatforms to distinguish atherosclerotic lesions from normal tissue and to approach plaques specifically. Based on the process of atherosclerotic plaque formation, this review summarises the nanodrug delivery strategies for atherosclerotic therapy, trying to provide help for researchers to understand the existing atherosclerosis management approaches as well as challenges and to reasonably design anti-atherosclerotic nanoplatforms.
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Affiliation(s)
- Yingchao Li
- Department of Pharmaceutics, Shandong University, Jinan, Shandong, P.R. China
| | - Qixiang Feng
- Department of Pharmaceutics, Shandong University, Jinan, Shandong, P.R. China
| | - Luyue Wang
- Department of Pharmaceutics, Shandong University, Jinan, Shandong, P.R. China
| | - Xi Gao
- Department of Pharmaceutics, Shandong University, Jinan, Shandong, P.R. China
| | - Yanwei Xi
- Department of Pharmaceutics, Shandong University, Jinan, Shandong, P.R. China
| | - Lei Ye
- Department of Pharmaceutics, Shandong University, Jinan, Shandong, P.R. China
| | - Jianbo Ji
- Department of Pharmaceutics, Shandong University, Jinan, Shandong, P.R. China
| | - Xiaoye Yang
- Department of Pharmaceutics, Shandong University, Jinan, Shandong, P.R. China
| | - Guangxi Zhai
- Department of Pharmaceutics, Shandong University, Jinan, Shandong, P.R. China
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113
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Friero I, Martínez-Subirà M, Romero MP, Moralejo M. Improving functional and nutritional profiles of barley flours with diverse starch types through pearling. Food Chem 2024; 460:140611. [PMID: 39068808 DOI: 10.1016/j.foodchem.2024.140611] [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: 01/17/2024] [Revised: 07/08/2024] [Accepted: 07/22/2024] [Indexed: 07/30/2024]
Abstract
A comparative analysis of chemical, functional, and digestive parameters was conducted on five new barley genotypes designed for food purposes, differing in starch type, β-glucans, and arabinoxylan content. Both whole and pearled grain flours were examined. Amylose exhibited positive correlations with least gelation capacity (r = 0.60), gelation temperature (r = 0.90), and resistant starch (r = 0.80). Waxy varieties showed greater water-holding capacity, viscosity, and rapid digestibility compared to normal and high-amylose varieties. Pearling (10%) decreased arabinoxylans by 48% and proteins by 7%, while increasing β-glucans by 8% and starch by 13%. Additionally, pearling improved viscosity and hydration parameters across varieties. This allowed normal and high-amylose genotypes to enhance their functional properties and nutritional value through increased β-glucan and resistant starch content. This exploration advances the understanding of barley's functional attributes for food industry and underscores the potential of pearling to augment consumer nutritional value and health-promoting properties.
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Affiliation(s)
- Iván Friero
- Universidad de Lleida - agrotecnio-cerca Center, Av. Alcalde Rovira Roure, 191, 25198 Lleida, Spain.
| | - Mariona Martínez-Subirà
- Universidad de Lleida - agrotecnio-cerca Center, Av. Alcalde Rovira Roure, 191, 25198 Lleida, Spain.
| | - María-Paz Romero
- Universidad de Lleida - agrotecnio-cerca Center, Av. Alcalde Rovira Roure, 191, 25198 Lleida, Spain.
| | - Marian Moralejo
- Universidad de Lleida - agrotecnio-cerca Center, Av. Alcalde Rovira Roure, 191, 25198 Lleida, Spain.
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114
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Cruz TM, Lima AS, Zhou F, Zhang L, Azevedo L, Marques MB, Granato D. Bioaccessibility of bioactive compounds from Pereskia aculeata and their cellular antioxidant effect. Food Chem 2024; 460:140484. [PMID: 39047477 DOI: 10.1016/j.foodchem.2024.140484] [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: 04/02/2024] [Revised: 07/14/2024] [Accepted: 07/14/2024] [Indexed: 07/27/2024]
Abstract
Ora-pro-nobis (Pereskia aculeata) is a Cactaceae plant with edible leaves and fruits whose extracts are consumed to promote health, albeit bioactive compounds' bioaccessibility was still not assessed. To address this, ora-pro-nobis fruits (FE) and leaf extracts (LE) were subjected to in vitro digestion to better understand how this process impacts the bioactivities of the extracts. The study investigated the composition of the extracts, their cytotoxicity, and their chemical, plasmatic, and cellular antioxidant capacity. The results revealed that total polyphenolics were about 70% bioaccessible in LE and FE, with phenylalanine being the most bioaccessible essential amino acid in leaves (42.7%) and fruits (83.6%). The samples' antioxidant activity (CUPRAC) was reduced by 25%. LE demonstrated antioxidant activity against human plasma oxidation and haemolysis (21.8%), but digestion mitigated these activities. FE diminished haemolysis (47.0%) and presented cytotoxicity (IC50 = 1086 μg/mL) to HUVEC cells, but these properties were lost following digestion. Ultimately, digestion partially degraded the samples' bioactive compounds, diminishing their cellular protection against oxidative stress.
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Affiliation(s)
- Thiago M Cruz
- Graduation Program in Chemistry, State University of Ponta Grossa, Av. Carlos Cavalcanti, 4748, 84030-900, Ponta Grossa, PR, Brazil.; Bioactivity & Applications Laboratory, Department of Biological Sciences, Faculty of Science and Engineering, School of Natural Sciences, University of Limerick, V94 T9PX Limerick, Ireland
| | - Amanda S Lima
- Bioactivity & Applications Laboratory, Department of Biological Sciences, Faculty of Science and Engineering, School of Natural Sciences, University of Limerick, V94 T9PX Limerick, Ireland.; In vitro and in vivo Nutritional and Toxicological Analysis Lab, Federal University of Alfenas, Rua Gabriel Monteiro da Silva, 714, 37130-000 Alfenas, MG, Brazil
| | - Feng Zhou
- Anhui Agricultural University, State Key Laboratory of Tea Plant Biology and Utilization, Hefei 230036, China
| | - Liang Zhang
- Anhui Agricultural University, State Key Laboratory of Tea Plant Biology and Utilization, Hefei 230036, China
| | - Luciana Azevedo
- Bioactivity & Applications Laboratory, Department of Biological Sciences, Faculty of Science and Engineering, School of Natural Sciences, University of Limerick, V94 T9PX Limerick, Ireland.; In vitro and in vivo Nutritional and Toxicological Analysis Lab, Federal University of Alfenas, Rua Gabriel Monteiro da Silva, 714, 37130-000 Alfenas, MG, Brazil
| | - Mariza B Marques
- Graduation Program in Chemistry, State University of Ponta Grossa, Av. Carlos Cavalcanti, 4748, 84030-900, Ponta Grossa, PR, Brazil
| | - Daniel Granato
- Bioactivity & Applications Laboratory, Department of Biological Sciences, Faculty of Science and Engineering, School of Natural Sciences, University of Limerick, V94 T9PX Limerick, Ireland.; Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland.
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115
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Zhang L, Yang J, Ding C, Sun S, Zhang S, Ding Q, Zhao T, Liu W. Application of polysaccharide-based crosslinking agents based on schiff base linkages for biomedical scaffolds. Carbohydr Polym 2024; 345:122585. [PMID: 39227125 DOI: 10.1016/j.carbpol.2024.122585] [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: 01/23/2024] [Revised: 08/04/2024] [Accepted: 08/06/2024] [Indexed: 09/05/2024]
Abstract
Chemical crosslinking is a method widely used to enhance the mechanical strength of biopolymer-based scaffolds. Polysaccharides are natural and biodegradable carbohydrate polymers that can act as crosslinking agents to promote the formation of scaffolds. Compared to synthetic crosslinking agents, Polysaccharide-based crosslinking agents have better biocompatibility for cell adhesion and growth. Traditional Chinese medicine has special therapeutic effects on various diseases and is rich in various bioactive ingredients. Among them, polysaccharides have immune regulatory, antioxidant, and anti-inflammation effects, which allow them to not only act as crosslinking agents but endow the scaffold with greater bioactivity. This article focuses on the latest developments of polysaccharide-based crosslinking agents for biomedical scaffolds, including hyaluronic acid, chondroitin sulfate, dextran, alginate, cellulose, gum polysaccharides, and traditional Chinese medicine polysaccharides. Also, we provide a summary and prospects on the research of polysaccharide-based crosslinking agents.
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Affiliation(s)
- Lifeng Zhang
- College of traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China
| | - Jiali Yang
- College of traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China
| | - Chuanbo Ding
- College of traditional Chinese Medicine, Jilin Agriculture Science and Technology College, Jilin 132101, China
| | - Shuwen Sun
- College of traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China
| | - Shuai Zhang
- College of traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China
| | - Qiteng Ding
- College of traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China
| | - Ting Zhao
- College of traditional Chinese Medicine, Jilin Agriculture Science and Technology College, Jilin 132101, China.
| | - Wencong Liu
- School of Food and Pharmaceutical Engineering, Wuzhou University, Wuzhou 543002, China.
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116
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Zhou L, Zheng X, Yan J, He X, McClements DJ, Qiu C, Dai L, Sun Q. Preparation of debranched starch with high thermal stability and crystallinity using a novel thermal cycling treatment. Carbohydr Polym 2024; 345:122583. [PMID: 39227111 DOI: 10.1016/j.carbpol.2024.122583] [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: 04/28/2024] [Revised: 07/03/2024] [Accepted: 08/05/2024] [Indexed: 09/05/2024]
Abstract
Herein, the effects of temperature cycling (4 °C/50 °C/100 °C) on the recrystallization, physicochemical properties, and digestibility of debranched starch (DBS) were investigated. Temperature cycling involved heating DBS to 100 °C to dissociate weak heat-sensitive crystalline structures and cooling to 4 °C to induce the rapid growth of crystal nuclei, followed by maintaining the temperature at 50 °C to promote orderly crystalline growth. This procedure aimed to increase the degree of crystalline structure in recrystallized DBS, thereby resulting in DBS that was heat- and digestion-resistant. Temperature cycling increased the dissociation temperature of DBS, and temperatures of up to 114.8 °C were attained after five cycling times. With increasing cycles, the crystalline structure of DBS transitioned from B-type to the more robust and compact A-type, and the crystallinity increased to ∼81.9 % (after seven cycles). Raman and Fourier transform infrared (FTIR) spectra indicated that temperature cycling enhanced the short-range ordered structure of DBS. Moreover, in vitro digestion experiments demonstrated that the resistant starch content of DBS increased to ∼61.9 % after eight cycles. To summarize, this study demonstrated a green and effective method for preparing heat-and digestion-resistant recrystallized DBS, which can be used for developing dietary supplements and low gastrointestinal staples.
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Affiliation(s)
- Liyang Zhou
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, People's Republic of China; Qingdao Special Food Research Institute, Qingdao 266109, People's Republic of China
| | - Xiyin Zheng
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, People's Republic of China; Qingdao Special Food Research Institute, Qingdao 266109, People's Republic of China
| | - Jiahui Yan
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, People's Republic of China; Qingdao Special Food Research Institute, Qingdao 266109, People's Republic of China
| | - Xiaoyang He
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, People's Republic of China; College of Science, Health, Engineering and Education, Murdoch University, Murdoch 6150, Western Australia, Australia
| | - David Julian McClements
- Department of Food Science, University of Massachusetts Amherst, Amherst, MA 01003, United States
| | - Chao Qiu
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Lei Dai
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, People's Republic of China; Qingdao Special Food Research Institute, Qingdao 266109, People's Republic of China.
| | - Qingjie Sun
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, People's Republic of China; Qingdao Special Food Research Institute, Qingdao 266109, People's Republic of China; College of Science, Health, Engineering and Education, Murdoch University, Murdoch 6150, Western Australia, Australia.
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117
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de Oliveira D, Luiz GP, Scussel R, Fagundes MI, Galvani NC, Abel JDS, Zaccaron RP, de Bem Silveira G, de Andrade TAM, Lock Silveira PC, Andrez Machado-de-Ávila R. The combined treatment of gold nanoparticles associated with photobiomodulation accelerate the healing of dermonecrotic lesion. J Drug Target 2024; 32:172-185. [PMID: 38155427 DOI: 10.1080/1061186x.2023.2298848] [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: 10/24/2023] [Accepted: 12/10/2023] [Indexed: 12/30/2023]
Abstract
Introduction: The search for fast and efficient treatment for dermonecrotic lesions caused by the venom of the spider from the Loxosceles simillis, is a demand in health. Prednisolone is one of the most used drugs, however it has side effects. In this context, addictionally gold nanoparticles (GNPs) have anti-inflammatory, antioxidant, and antibacterial properties. The use of photobiomodulation has show to be efficient in the process of tissue repair. Therefore, the purpose of this study was to investigate the anti-inflammatory effect of photobiomodulation and GNPs associated or not with a low concentration of prednisolone in animal models of dermonecrotic lesion.Methodology: For this, rabbits with venon-induced dermonecrotic lesion were subjected to topical treatment with prednisolone + laser or GNPs + laser or Pred-GNPs + laser. The area of edema, necrosis and erythema were measured. On the last day of treatment, the animals were euthanized to remove the organs for histopathological and biochemical analysis.Results: All treatments combinations were effective in promoting the reduction of necrotic tissue and erythema.Conclusion: With this results, we suggest that the use of laser and nanoparticles, associated or not with prednisolone, should be considered for the treatment of dermonecrotic injury.
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Affiliation(s)
- Daysiane de Oliveira
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Gabriel Paulino Luiz
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Rahisa Scussel
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Mirian Ivens Fagundes
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Nathália Coral Galvani
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Jessica da Silva Abel
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Rubya Pereira Zaccaron
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Gustavo de Bem Silveira
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Thiago Antônio Moretti de Andrade
- Postgraduate in Biomedical Sciences, University Center of Herminio Ometto Foundation, Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
| | - Paulo Cesar Lock Silveira
- Postgraduate in Health Sciences, Universidade do Extremo Sul de Catarinense, Criciúma, Santa Catarina, Brazil
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Jiang H, Guo Y, Tan X, Jiang Y, Pang N, Niu C, Liu L, Zhou Z, Liu L, Li H. Oxidized cellulose microneedle patch combined with vascular embolization and local delivery of timolol maleate for hemangiomas. Colloids Surf B Biointerfaces 2024; 244:114174. [PMID: 39197327 DOI: 10.1016/j.colsurfb.2024.114174] [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: 06/20/2024] [Revised: 08/09/2024] [Accepted: 08/23/2024] [Indexed: 09/01/2024]
Abstract
Hemangiomas are superficial tumors characterized by dense vascular structures that often affect the patient's aesthetic appearance due to the obvious red appearance on the skin. Current treatments, especially timolol maleate in the form of eye drops and hydrogels, suffer from low transdermal drug delivery rates, resulting in prolonged treatment time. To address this challenge, our study introduced a soluble microneedle patch with dextran as the main material to form microcatheters for sustained delivery of timolol maleate. In addition, we proposed a vascular embolization strategy to disrupt the blood supply in hemangiomas. Oxidized cellulose (C-cellulose) was selected for its excellent hemostatic properties. We incorporated C-cellulose into dextran microneedles to facilitate thrombosis in the vascular-rich areas of hemangiomas. The innovative microneedle patch we developed can penetrate the skin to a depth of 430 μm and dissolve rapidly within 3 minutes, ensuring direct drug delivery to the subcutaneous layer. Notably, the treated skin area regained its original appearance within two hours after treatment. In addition to excellent skin permeability and rapid dissolution, these patches significantly promoted apoptosis and inhibited cell migration in mouse hemangioendothelioma EOMA cells. Our results demonstrate that this approach not only achieves significant tumor inhibition in a mouse hemangioma model, but also represents a more effective, convenient, and non-invasive treatment option. Therefore, dextran/C-cellulose/timolol maleate microneedle patch (MNs/Timolol) has broad clinical application prospects in the treatment of hemangiomas, minimizing the risk of additional damage and improving treatment efficacy.
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Affiliation(s)
- Hua Jiang
- Department of Interventional Hemangioma, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510600, China
| | - Yiqun Guo
- Department of Interventional Hemangioma, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510600, China
| | - Xiaoyun Tan
- Department of Interventional Hemangioma, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510600, China
| | - Yizhou Jiang
- Department of Interventional Hemangioma, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510600, China
| | - Ningdong Pang
- Department of Interventional Hemangioma, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510600, China
| | - Chuanqiang Niu
- Department of Interventional Hemangioma, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510600, China
| | - Lang Liu
- Department of Interventional Hemangioma, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510600, China
| | - Zijun Zhou
- Department of Interventional Hemangioma, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510600, China
| | - Lu Liu
- Department of Interventional Hemangioma, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510600, China
| | - Haibo Li
- Department of Interventional Hemangioma, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510600, China.
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Jarmila P, Veronika M, Peter M. Advances in the delivery of anticancer drugs by nanoparticles and chitosan-based nanoparticles. Int J Pharm X 2024; 8:100281. [PMID: 39297017 PMCID: PMC11408389 DOI: 10.1016/j.ijpx.2024.100281] [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: 04/09/2024] [Revised: 08/22/2024] [Accepted: 08/24/2024] [Indexed: 09/21/2024] Open
Abstract
Cancer is the leading cause of death globally, and conventional treatments have limited efficacy with severe side effects. The use of nanotechnology has the potential to reduce the side effects of drugs by creating efficient and controlled anticancer drug delivery systems. Nanoparticles (NPs) used as drug carriers offer several advantages, including enhanced drug protection, biodistribution, selectivity and, pharmacokinetics. Therefore, this review is devoted to various organic (lipid, polymeric) as well as inorganic nanoparticles based on different building units and providing a wide range of potent anticancer drug delivery systems. Within these nanoparticulate systems, chitosan (CS)-based NPs are discussed with particular emphasis due to the unique properties of CS and its derivatives including non-toxicity, biodegradability, mucoadhesivity, and tunable physico-chemical as well as biological properties allowing their alteration to specifically target cancer cells. In the context of streamlining the nanoparticulate drug delivery systems (DDS), innovative nanoplatform-based cancer therapy pathways involving passive and active targeting as well as stimuli-responsive DDS enhancing overall orthogonality of developed NP-DDS towards the target are included. The most up-to-date information on delivering anti-cancer drugs using modern dosage forms based on various nanoparticulate systems and, specifically, CSNPs, are summarised and evaluated concerning their benefits, limitations, and advanced applications.
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Affiliation(s)
- Prieložná Jarmila
- Department of Galenic Pharmacy, Faculty of Pharmacy, Comenius University Bratislava, Odbojárov 10, 83232 Bratislava, Slovakia
| | - Mikušová Veronika
- Department of Galenic Pharmacy, Faculty of Pharmacy, Comenius University Bratislava, Odbojárov 10, 83232 Bratislava, Slovakia
| | - Mikuš Peter
- Department of Pharmaceutical Analysis and Nuclear Pharmacy, Faculty of Pharmacy, Comenius University Bratislava, Odbojárov 10, 83232 Bratislava, Slovakia
- Toxicological and Antidoping Center, Faculty of Pharmacy, Comenius University Bratislava, Odbojárov 10, 83232 Bratislava, Slovakia
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Bhoopathy J, Vedakumari Sathyaraj W, Yesudhason BV, Rajendran S, Dharmalingam S, Seetharaman J, Muthu R, Murugesan R, Raghunandhakumar S, Anandasadagopan SK. Haemostatic potency of sodium alginate/aloe vera/sericin composite scaffolds - preparation, characterisation, and evaluation. ARTIFICIAL CELLS, NANOMEDICINE, AND BIOTECHNOLOGY 2024; 52:35-45. [PMID: 38112317 DOI: 10.1080/21691401.2023.2293784] [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: 09/01/2023] [Accepted: 11/20/2023] [Indexed: 12/21/2023]
Abstract
Fabrication of haemostatic materials with excellent antimicrobial, biocompatible and biodegradable properties remains as a major challenge in the field of medicine. Haemostatic agents play vital role in protecting patients and military individuals during emergency situations. Natural polymers serve as promising materials for fabricating haemostatic compounds due to their efficacy in promoting hemostasis and wound healing. In the present work, sodium alginate/aloe vera/sericin (SA/AV/S) scaffold has been fabricated using a simple cost-effective casting method. The prepared SA/AV/S scaffolds were characterised for their physicochemical properties such as scanning electron microscope, UV-visible spectroscopy and Fourier transform infra-red spectroscopy. SA/AV/S scaffold showed good mechanical strength, swelling behaviour and antibacterial activity. In vitro experiments using erythrocytes proved the hemocompatible and biocompatible features of SA/AV/S scaffold. In vitro blood clotting assay performed using human blood demonstrated the haemostatic and blood absorption properties of SA/AV/S scaffold. Scratch wound assay was performed to study the wound healing efficacy of prepared scaffolds. Chick embryo chorioallantoic membrane assay carried out using fertilised embryos proved the angiogenic property of SA/AV/S scaffold. Thus, SA/AV/S scaffold could serve as a potential haemostatic healthcare product due to its outstanding haemostatic, antimicrobial, hemocompatible, biocompatible and angiogenic properties.
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Affiliation(s)
- Jayavardhini Bhoopathy
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam 603103, Tamil Nadu, India
| | - Weslen Vedakumari Sathyaraj
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam 603103, Tamil Nadu, India
| | - Beryl Vedha Yesudhason
- Regeneration and Stem Cell Biology Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science and Technology, Chennai 600119, India
| | - Selvarajan Rajendran
- Centre for Nano Science and Technology, Alagappa College of Technology Campus, Anna University, Chennai 600025, Tamil Nadu, India
| | - Sankari Dharmalingam
- Department of Biotechnology, College of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - Jayashri Seetharaman
- Department of Biotechnology, College of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - Ranjitha Muthu
- Department of Research, Karpaga Vinayaga Institute of Medical Science and Research Centre, GST Road, Chinna Kolambakkam, Palayanoor (PO), Tamil Nadu 603308, Tamil Nadu
| | - Ramachandran Murugesan
- Department of Research, Karpaga Vinayaga Institute of Medical Science and Research Centre, GST Road, Chinna Kolambakkam, Palayanoor (PO), Tamil Nadu 603308, Tamil Nadu
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Zhou Z, Ou M, Shen W, Jin W, Yang G, Huang W, Guo C. Caffeine weakens the astringency of epigallocatechin gallate by inhibiting its interaction with salivary proteins. Food Chem 2024; 460:140753. [PMID: 39116773 DOI: 10.1016/j.foodchem.2024.140753] [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: 03/05/2024] [Revised: 07/31/2024] [Accepted: 08/01/2024] [Indexed: 08/10/2024]
Abstract
The astringency of green tea is an integrated result of the synergic and antagonistic effects of individual tea components, whose mechanism is highly complex and not completely understood. Herein, we used an epigallocatechin gallate (EGCG)/caffeine (CAF)/saliva model to simulate the oral conditions during tea drinking. The effect of CAF on the interaction between EGCG and salivary proteins was first investigated using molecular docking and isothermal titration calorimetry (ITC). Then, the rheological properties and the micro-network structure of saliva were studied to relate the molecular interactions and perceived astringency. The results revealed that CAF partially occupied the binding sites of EGCG to salivary proteins, inhibiting their interaction and causing changes in the elastic network structure of the salivary film, thereby reducing astringency.
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Affiliation(s)
- Zhenyu Zhou
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, 430023, China; Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education, Wuhan, 430023, China; Hubei Key Laboratory for Processing and Transformation of Agricultural Products, Wuhan Polytechnic University, Wuhan, 430023, China
| | - Miaoling Ou
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, 430023, China; Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education, Wuhan, 430023, China; Hubei Key Laboratory for Processing and Transformation of Agricultural Products, Wuhan Polytechnic University, Wuhan, 430023, China
| | - Wangyang Shen
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, 430023, China; Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education, Wuhan, 430023, China; Hubei Key Laboratory for Processing and Transformation of Agricultural Products, Wuhan Polytechnic University, Wuhan, 430023, China
| | - Weiping Jin
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, 430023, China; Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education, Wuhan, 430023, China; Hubei Key Laboratory for Processing and Transformation of Agricultural Products, Wuhan Polytechnic University, Wuhan, 430023, China
| | - Guoyan Yang
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, 430023, China; Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education, Wuhan, 430023, China; Hubei Key Laboratory for Processing and Transformation of Agricultural Products, Wuhan Polytechnic University, Wuhan, 430023, China
| | - Wenjing Huang
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, 430023, China; Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education, Wuhan, 430023, China; Hubei Key Laboratory for Processing and Transformation of Agricultural Products, Wuhan Polytechnic University, Wuhan, 430023, China
| | - Cheng Guo
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, 430023, China; Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education, Wuhan, 430023, China; Hubei Key Laboratory for Processing and Transformation of Agricultural Products, Wuhan Polytechnic University, Wuhan, 430023, China.
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122
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Li T, Cheng X, Feng Y, Zhu E, Zhang Q, Wang B, Zhang L, Wang Z. Tough and highly conductive deep eutectic solvent-based gel electrolyte strengthened by high aspect ratio of hemp lignocellulosic nanofiber. Carbohydr Polym 2024; 345:122566. [PMID: 39227121 DOI: 10.1016/j.carbpol.2024.122566] [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: 05/18/2024] [Revised: 07/15/2024] [Accepted: 07/30/2024] [Indexed: 09/05/2024]
Abstract
Flexible electronic sensing and energy storage technology impose heightened demands on the mechanical and stable properties of gel electrolyte materials. Lignocellulosic nanofiber (LCNF) present a promising avenue for improving the properties of electrolyte networks and mechanical strength. In this study, LCNF derived from hemp fibers was prepared using lactic acid/choline chloride deep eutectic solvent (DES) through a combination of cooking and colloid mill mechanical treatment to achieve nanocellulose with a high aspect ratio and uniform dimensions. The outcomes demonstrated that LCNF, a width of below 20 nm and a length of over 5 μm, can be effectively produced through the DES cooking pretreatment in conjunction with colloid mill mechanical treatment. Meanwhile, DES lignin possessed a purity of ∼90 % and was obtained as a by-product. Subsequently, the as-prepared LCNF was integrated as a nanofiller into gel electrolyte. Ag-L NPs/LCNF/DES/PAA exhibited dense porous structures and showcased exceptional properties, including a high conductivity exceeding 10 mS/cm and remarkable adhesion strength surpassing 100 KPa. The presence of LCNF allowed Ag-L NPs/LCNF/DES/PAA to achieve strains above 1000 % and compression properties over 1000 KPa. The supercapacitor based on this assembly had a high specific capacitance of 271 F g-1 at 0.5 A g-1), along with an impressive capacity retention rate reaching ∼100 % after 3000 cycles. This investigation offers valuable insights into the utilization of lignocellulosic multi-component approaches in the development of flexible electronic devices.
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Affiliation(s)
- Tianqi Li
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China.
| | - Xinyu Cheng
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China.
| | - Yifan Feng
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Enqing Zhu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China.
| | - Qing Zhang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China.
| | - Baihui Wang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China.
| | - Lili Zhang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China.
| | - Zhiguo Wang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China.
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Yang F, Shu R, Dai W, Li B, Liu C, Yang H, Johnson HM, Yu S, Bai D, Yang W, Deng Y. H 2Se-evolving bio-heterojunctions promote cutaneous regeneration in infected wounds by inhibiting excessive cellular senescence. Biomaterials 2024; 311:122659. [PMID: 38861831 DOI: 10.1016/j.biomaterials.2024.122659] [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: 01/25/2024] [Revised: 06/04/2024] [Accepted: 06/06/2024] [Indexed: 06/13/2024]
Abstract
Pathogenic infection leads to excessive senescent cell accumulation and stagnation of wound healing. To address these issues, we devise and develop a hydrogen selenide (H2Se)-evolving bio-heterojunction (bio-HJ) composed of graphene oxide (GO) and FeSe2 to deracinate bacterial infection, suppress cellular senescence and remedy recalcitrant infected wounds. Excited by near-infrared (NIR) laser, the bio-HJ exerts desired photothermal and photodynamic effects, resulting in rapid disinfection. The crafted bio-HJ could also evolve gaseous H2Se to inhibit cellular senescence and dampen inflammation. Mechanism studies reveal the anti-senescence effects of H2Se-evolving bio-HJ are mediated by selenium pathway and glutathione peroxidase 1 (GPX1). More critically, in vivo experiments authenticate that the H2Se-evolving bio-HJ could inhibit cellular senescence and potentiate wound regeneration in rats. As envisioned, our work not only furnishes the novel gasotransmitter-delivering bio-HJ for chronic infected wounds, but also gets insight into the development of anti-senescence biomaterials.
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Affiliation(s)
- Fan Yang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, College of Biomedical Engineering, School of Chemical Engineering, Sichuan University, Chengdu, China; Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Rui Shu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, College of Biomedical Engineering, School of Chemical Engineering, Sichuan University, Chengdu, China; Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Wenyu Dai
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, College of Biomedical Engineering, School of Chemical Engineering, Sichuan University, Chengdu, China; Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Bin Li
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, College of Biomedical Engineering, School of Chemical Engineering, Sichuan University, Chengdu, China; Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Chuang Liu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, College of Biomedical Engineering, School of Chemical Engineering, Sichuan University, Chengdu, China
| | - Hang Yang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, College of Biomedical Engineering, School of Chemical Engineering, Sichuan University, Chengdu, China
| | - Hannah M Johnson
- Department of Chemistry, Washington State University, Washington, USA
| | - Sheng Yu
- Department of Chemistry, Washington State University, Washington, USA
| | - Ding Bai
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, College of Biomedical Engineering, School of Chemical Engineering, Sichuan University, Chengdu, China; Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Weizhong Yang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, College of Biomedical Engineering, School of Chemical Engineering, Sichuan University, Chengdu, China.
| | - Yi Deng
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, College of Biomedical Engineering, School of Chemical Engineering, Sichuan University, Chengdu, China; State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, China; Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, China.
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124
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Rahaman MS, Arin A, Farwa U, Park M, Bae SH, Lee BT. ECM derivatized alginate augmenting bio-functionalities of lyophilized mat for skin and liver wound treatment. Biomaterials 2024; 311:122698. [PMID: 38968688 DOI: 10.1016/j.biomaterials.2024.122698] [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: 12/27/2023] [Revised: 06/27/2024] [Accepted: 07/01/2024] [Indexed: 07/07/2024]
Abstract
Peptides and molecular residues sourced from the fragmentation of the extracellular matrix (ECM) can exacerbate a plethora of cellular functions. We selected a natural ECM-derived complex peptide mixture to functionalize sodium alginate. Three alginate derivatives (sodium alginate conjugated with ECM) SALE-1, SALE-2, and SALE-3 were synthesized using the lowest (10 % w/w), moderate (50 % w/w), and highest (100 % w/w) concentrations of ECM. Thereafter, they were used to fabricate three groups of mat scaffolds EMAT-1 (ECM derivatized alginate thrombin-mat), EMAT-2, and EMAT-3, respectively by the freeze-drying process. To enhance the hemostatic activity, thrombin was loaded onto the scaffolds. Another group, AT, without any derivatized alginate was additionally included in order to comparative analysis. Physical characteristics revealed that the porous mat scaffold showed enhancement in degradation and swelling ability with the increase in ECM content. The higher cell proliferation, migration, and cell viability were noticed in the higher ECM-containing samples EMAT-2 and EMAT-3. In vivo studies using rodent hepatic and rabbit ear models were carried out to ensure the hemostatic ability of the scaffolds. EMAT-2 and EMAT-3 demonstrate excellent liver regeneration ability in rat models. Moreover, the rat cutaneous wound model depicted that EMAT-3 dramatically elevated the skin's healing ability, thereby rendering it an excellent candidate for future clinical application in wound healing.
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Affiliation(s)
- Md Sohanur Rahaman
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan, 31151, Republic of Korea
| | - Asuva Arin
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan, 31151, Republic of Korea
| | - Ume Farwa
- Institute of Tissue Regeneration, Soonchunhyang University, Cheonan-31151, Republic of Korea
| | - Myeongki Park
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan, 31151, Republic of Korea
| | - Sang Ho Bae
- Department of Surgery, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Republic of Korea
| | - Byong-Taek Lee
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan, 31151, Republic of Korea; Institute of Tissue Regeneration, Soonchunhyang University, Cheonan-31151, Republic of Korea.
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Jeong MY, Kim S, Kim HR, Jeon J, Won SS, Yang KJ, Park JS, Yang IG, Lee DG, Myung JH, Kim YG, Jin SG, Choi YS, Kim DK, Kang MJ. Dexamethasone nanocrystals-embedded hydroxypropyl methylcellulose hydrogel increases cochlear delivery and attenuates hearing loss following intratympanic injection. Carbohydr Polym 2024; 345:122546. [PMID: 39227091 DOI: 10.1016/j.carbpol.2024.122546] [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: 04/05/2024] [Revised: 07/09/2024] [Accepted: 07/24/2024] [Indexed: 09/05/2024]
Abstract
Herein, dexamethasone (DEX) nanocrystalline suspension (NS)-embedded hydrogel (NS-G) was constructed using a hydroxypropyl methylcellulose (HPMC) polymer to enhance cochlear delivery and attenuate hearing loss following intratympanic (IT) injection. Hydrophobic steroidal nanocrystals were prepared using a bead milling technique and incorporated into a polysaccharide hydrogel. The NS-G system with HPMC (average molecular weight, 86,000 g/mol; 15 mg/mL) was characterized as follows: rod-shaped drug crystalline; particle size <300 nm; and constant complex viscosity ≤1.17 Pa·s. Pulverization of the drug particles into submicron diameters enhanced drug dissolution, while the HPMC matrix increased the residence time in the middle ear cavity, exhibiting a controlled release profile. The IT NS-G system elicited markedly enhanced and prolonged drug delivery (> 9 h) to the cochlear tissue compared with that of DEX sodium phosphate (DEX-SP), a water-soluble prodrug. In mice with kanamycin- and furosemide-induced ototoxicity, NS-G markedly enhanced hearing preservation across all frequencies (8-32 kHz), as revealed by an auditory brainstem response test, compared with both saline and DEX-SP. Moreover, treatment with NS-G showed enhanced anti-inflammatory effects, as evidenced by decreased levels of inflammation-related cytokines. Therefore, the IT administration of DEX NS-loaded HPMC hydrogels is a promising strategy for treating hearing loss.
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Affiliation(s)
- Min Young Jeong
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 31116, Republic of Korea
| | - Subin Kim
- Department of Otolaryngology, College of Medicine, The Catholic University of Korea. 64 Daeheung-ro, Jung-gu, Daejeon, 34943, Republic of Korea
| | - Hye Rim Kim
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 31116, Republic of Korea
| | - Jiae Jeon
- Department of Otolaryngology, College of Medicine, The Catholic University of Korea. 64 Daeheung-ro, Jung-gu, Daejeon, 34943, Republic of Korea
| | - Seong Su Won
- Department of Otolaryngology, College of Medicine, The Catholic University of Korea. 64 Daeheung-ro, Jung-gu, Daejeon, 34943, Republic of Korea
| | - Keum-Jin Yang
- Department of Otolaryngology, College of Medicine, The Catholic University of Korea. 64 Daeheung-ro, Jung-gu, Daejeon, 34943, Republic of Korea
| | - Jun Soo Park
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 31116, Republic of Korea
| | - In Gyu Yang
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 31116, Republic of Korea
| | - Dong Geon Lee
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 31116, Republic of Korea
| | - Jin Hyuk Myung
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 31116, Republic of Korea
| | - Yoon-Gyoon Kim
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 31116, Republic of Korea
| | - Sung Giu Jin
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 31116, Republic of Korea
| | - Yong Seok Choi
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 31116, Republic of Korea
| | - Dong-Kee Kim
- Department of Otolaryngology, College of Medicine, The Catholic University of Korea. 64 Daeheung-ro, Jung-gu, Daejeon, 34943, Republic of Korea.
| | - Myung Joo Kang
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 31116, Republic of Korea.
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Schwartzman JD, McCall M, Ghattas Y, Pugazhendhi AS, Wei F, Ngo C, Ruiz J, Seal S, Coathup MJ. Multifunctional scaffolds for bone repair following age-related biological decline: Promising prospects for smart biomaterial-driven technologies. Biomaterials 2024; 311:122683. [PMID: 38954959 DOI: 10.1016/j.biomaterials.2024.122683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 06/09/2024] [Accepted: 06/23/2024] [Indexed: 07/04/2024]
Abstract
The repair of large bone defects due to trauma, disease, and infection can be exceptionally challenging in the elderly. Despite best clinical practice, bone regeneration within contemporary, surgically implanted synthetic scaffolds is often problematic, inconsistent, and insufficient where additional osteobiological support is required to restore bone. Emergent smart multifunctional biomaterials may drive important and dynamic cellular crosstalk that directly targets, signals, stimulates, and promotes an innate bone repair response following age-related biological decline and when in the presence of disease or infection. However, their role remains largely undetermined. By highlighting their mechanism/s and mode/s of action, this review spotlights smart technologies that favorably align in their conceivable ability to directly target and enhance bone repair and thus are highly promising for future discovery for use in the elderly. The four degrees of interactive scaffold smartness are presented, with a focus on bioactive, bioresponsive, and the yet-to-be-developed autonomous scaffold activity. Further, cell- and biomolecular-assisted approaches were excluded, allowing for contemporary examination of the capabilities, demands, vision, and future requisites of next-generation biomaterial-induced technologies only. Data strongly supports that smart scaffolds hold significant promise in the promotion of bone repair in patients with a reduced osteobiological response. Importantly, many techniques have yet to be tested in preclinical models of aging. Thus, greater clarity on their proficiency to counteract the many unresolved challenges within the scope of aging bone is highly warranted and is arguably the next frontier in the field. This review demonstrates that the use of multifunctional smart synthetic scaffolds with an engineered strategy to circumvent the biological insufficiencies associated with aging bone is a viable route for achieving next-generation therapeutic success in the elderly population.
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Affiliation(s)
| | - Max McCall
- College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Yasmine Ghattas
- College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Abinaya Sindu Pugazhendhi
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA
| | - Fei Wei
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA
| | - Christopher Ngo
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA
| | - Jonathan Ruiz
- College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Sudipta Seal
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA; Advanced Materials Processing and Analysis Centre, Nanoscience Technology Center (NSTC), Materials Science and Engineering, College of Medicine, University of Central Florida, USA, Orlando, FL
| | - Melanie J Coathup
- College of Medicine, University of Central Florida, Orlando, FL, USA; Biionix Cluster, University of Central Florida, Orlando, FL, USA.
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Wang Y, Liu J, Cui H, Zhang L, Li Z, Wang X, Wang J, Chen Q, Zhao Y. Triple-transformable dynamic surroundings for programmed transportation of bio-vulnerable mRNA payloads towards systemic treatment of intractable solid tumors. Biomaterials 2024; 311:122677. [PMID: 38917704 DOI: 10.1016/j.biomaterials.2024.122677] [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: 02/25/2024] [Revised: 05/25/2024] [Accepted: 06/21/2024] [Indexed: 06/27/2024]
Abstract
The surface physiochemical properties of nanomedicine play a crucial role in modulating biointerfacial reactions in sequential biological compartments, accordingly accomplishing the desired programmed delivery scenario to intracellular targets. PEGylation, which involves modifying the surface with a layer of poly(ethylene glycol), has been validated as an effective strategy for minimizing adverse biointerfacial interactions. However, it has also been observed to impede cellular uptake and intracellular trafficking activities. To address this dilemma, we propose a dynamic surface chemistry approach that actively prevents non-specific reactions in systemic circulation, while readily facilitating cellular uptake by converting into a highly cytomembrane-adhesive state. Moreover, the surface becomes more adhesive to endolysosomal membranes, enabling translocation into the cytosol. In this study, PEGylated mRNA delivery nanoparticulates were tethered with charge-reversible polymers to create dynamic surroundings through click chemistry. Importantly, the dynamic surroundings exhibited negative charges under physiological conditions (pH 7.4). This property prevented degradation by anionic nucleases and structural disassembly induced by endogenous charged biological species. Consequently, the nanoparticles exhibited appreciable stealth function, effectively managing the first pass effect, leading to prolonged blood retention and improved bioavailabilities at targeted cells. Furthermore, the dynamic surroundings shifted towards relatively positive charges in the tumor microenvironment (pH 6.8). As a result, the nanoparticles were more likely to be taken up by tumors due to their electrostatic affinities towards polyanionic cytomembranes. Eventually, the internalized mRNA nanomedicine transformed responsive to the surrounding microenvironment into highly positive charges within acidic endolysosomes (pH 5.0), exerting explosive disruptive potencies on the endolysosomal structures, thus facilitating translocation of mRNA from the digestive endolysosomes into the targeted cytosol. Notably, the dynamic surroundings also reduced the immunogenicity of naked mRNA due to their stealthy properties and rapid endolysosomal translocation functions. In summary, our proposed unique triple-transformable dynamic surface chemistry provided an intriguing delivery scenario that overcomes sequential biological barriers, contributing to efficient expression of the encapsulated mRNA at targeted tumors.
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Affiliation(s)
- Yue Wang
- Department of Gastric Surgery, Cancer Hospital of Dalian University of Technology, No. 44 Xiaoheyan Road, Dadong District, Shenyang, Liaoning, 110042, China; Department of Gastric Surgery, Cancer Hospital of China Medical University, No. 44 Xiaoheyan Road, Dadong District, Shenyang, Liaoning, 110042, China; Provincial Key Laboratory of Interdisciplinary Medical Engineering for Gastrointestinal Carcinoma, Liaoning Cancer Hospital & Institute, No. 44 Xiaoheyan Road, Dadong District, Shenyang, Liaoning, 110042, China; China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang City, Liaoning Province 110122, China
| | - Jun Liu
- School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China; Jiaxing Qingzhun Pharmaceutical Technology Co., Ltd, Western Kechuang Bay Valley, Tongxiang Town, Jiaxing, Zhejiang, 314500, China
| | - Hongyan Cui
- Innovation Center of Yangtze River Delta, Zhejiang University, Jiaxing, Zhejiang, 314100, China
| | - Liuwei Zhang
- Innovation Center of Yangtze River Delta, Zhejiang University, Jiaxing, Zhejiang, 314100, China
| | - Zhen Li
- College of Pharmacy, Dalian Medical University, No. 9 West Section Lvshun South Road, Dalian, Liaoning, 116044, China
| | - Xiumei Wang
- School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Jing Wang
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 100 Haining Road, Shanghai, 200080, China.
| | - Qixian Chen
- Innovation Center of Yangtze River Delta, Zhejiang University, Jiaxing, Zhejiang, 314100, China.
| | - Yan Zhao
- Department of Gastric Surgery, Cancer Hospital of Dalian University of Technology, No. 44 Xiaoheyan Road, Dadong District, Shenyang, Liaoning, 110042, China; Department of Gastric Surgery, Cancer Hospital of China Medical University, No. 44 Xiaoheyan Road, Dadong District, Shenyang, Liaoning, 110042, China; Provincial Key Laboratory of Interdisciplinary Medical Engineering for Gastrointestinal Carcinoma, Liaoning Cancer Hospital & Institute, No. 44 Xiaoheyan Road, Dadong District, Shenyang, Liaoning, 110042, China.
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128
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Rama E, Mohapatra SR, Sugimura Y, Suzuki T, Siebert S, Barmin R, Hermann J, Baier J, Rix A, Lemainque T, Koletnik S, Elshafei AS, Pallares RM, Dadfar SM, Tolba RH, Schulz V, Jankowski J, Apel C, Akhyari P, Jockenhoevel S, Kiessling F. In vitro and in vivo evaluation of biohybrid tissue-engineered vascular grafts with transformative 1H/ 19F MRI traceable scaffolds. Biomaterials 2024; 311:122669. [PMID: 38906013 DOI: 10.1016/j.biomaterials.2024.122669] [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: 02/06/2024] [Revised: 06/09/2024] [Accepted: 06/14/2024] [Indexed: 06/23/2024]
Abstract
Biohybrid tissue-engineered vascular grafts (TEVGs) promise long-term durability due to their ability to adapt to hosts' needs. However, the latter calls for sensitive non-invasive imaging approaches to longitudinally monitor their functionality, integrity, and positioning. Here, we present an imaging approach comprising the labeling of non-degradable and degradable TEVGs' components for their in vitro and in vivo monitoring by hybrid 1H/19F MRI. TEVGs (inner diameter 1.5 mm) consisted of biodegradable poly(lactic-co-glycolic acid) (PLGA) fibers passively incorporating superparamagnetic iron oxide nanoparticles (SPIONs), non-degradable polyvinylidene fluoride scaffolds labeled with highly fluorinated thermoplastic polyurethane (19F-TPU) fibers, a smooth muscle cells containing fibrin blend, and endothelial cells. 1H/19F MRI of TEVGs in bioreactors, and after subcutaneous and infrarenal implantation in rats, revealed that PLGA degradation could be faithfully monitored by the decreasing SPIONs signal. The 19F signal of 19F-TPU remained constant over weeks. PLGA degradation was compensated by cells' collagen and α-smooth-muscle-actin deposition. Interestingly, only TEVGs implanted on the abdominal aorta contained elastin. XTT and histology proved that our imaging markers did not influence extracellular matrix deposition and host immune reaction. This concept of non-invasive longitudinal assessment of cardiovascular implants using 1H/19F MRI might be applicable to various biohybrid tissue-engineered implants, facilitating their clinical translation.
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Affiliation(s)
- Elena Rama
- Institute for Experimental Molecular Imaging, Faculty of Medicine, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany
| | - Saurav Ranjan Mohapatra
- Department of Biohybrid & Medical Textiles, AME-Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany
| | - Yukiharu Sugimura
- Department of Cardiac Surgery, Medical Faculty and RWTH University Hospital Aachen, RWTH Aachen University, Aachen, Germany
| | - Tomoyuki Suzuki
- Department of Cardiac Surgery, Medical Faculty and RWTH University Hospital Aachen, RWTH Aachen University, Aachen, Germany
| | - Stefan Siebert
- Department of Biohybrid & Medical Textiles, AME-Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany
| | - Roman Barmin
- Institute for Experimental Molecular Imaging, Faculty of Medicine, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany
| | - Juliane Hermann
- Institute for Molecular Cardiovascular Research (IMCAR), University Hospital RWTH Aachen, Aachen, Germany
| | - Jasmin Baier
- Institute for Experimental Molecular Imaging, Faculty of Medicine, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany
| | - Anne Rix
- Institute for Experimental Molecular Imaging, Faculty of Medicine, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany
| | - Teresa Lemainque
- Institute for Experimental Molecular Imaging, Faculty of Medicine, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany; Department of Diagnostic and Interventional Radiology, Medical Faculty, RWTH Aachen University, 52074 Aachen, Germany
| | - Susanne Koletnik
- Institute for Experimental Molecular Imaging, Faculty of Medicine, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany
| | - Asmaa Said Elshafei
- Institute for Experimental Molecular Imaging, Faculty of Medicine, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany
| | - Roger Molto Pallares
- Institute for Experimental Molecular Imaging, Faculty of Medicine, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany
| | - Seyed Mohammadali Dadfar
- Institute for Experimental Molecular Imaging, Faculty of Medicine, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany; Ardena Oss, 5349 AB Oss, the Netherlands
| | - René H Tolba
- Institute for Laboratory Animal Science and Experimental Surgery, Medical Faculty, RWTH Aachen International University, Aachen, Germany
| | - Volkmar Schulz
- Institute for Experimental Molecular Imaging, Faculty of Medicine, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany
| | - Joachim Jankowski
- Institute for Molecular Cardiovascular Research (IMCAR), University Hospital RWTH Aachen, Aachen, Germany; Aachen-Maastricht Institute for CardioRenal Disease (AMICARE), University Hospital RWTH Aachen, Aachen, Germany; Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), University of Maastricht, the Netherlands
| | - Christian Apel
- Department of Biohybrid & Medical Textiles, AME-Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany
| | - Payam Akhyari
- Department of Cardiac Surgery, Medical Faculty and RWTH University Hospital Aachen, RWTH Aachen University, Aachen, Germany
| | - Stefan Jockenhoevel
- Department of Biohybrid & Medical Textiles, AME-Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany
| | - Fabian Kiessling
- Institute for Experimental Molecular Imaging, Faculty of Medicine, RWTH Aachen University, Forckenbeckstraße 55, 52074 Aachen, Germany.
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129
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Zhang X, Shen A, Zhang Z, Zhang T, Jiang L, Zhou W, Zhang Y, Sui X. Advancing molecular understanding in high moisture extrusion for plant-based meat analogs: Challenges and perspectives. Food Chem 2024; 460:140458. [PMID: 39029364 DOI: 10.1016/j.foodchem.2024.140458] [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: 03/06/2024] [Revised: 06/09/2024] [Accepted: 07/12/2024] [Indexed: 07/21/2024]
Abstract
In recent years, meat analogs based on plant proteins have received increasing attention. However, the process of high moisture extrusion (HME), the method for their preparation, has not been thoroughly explored, particularly in terms of elucidating the complex interactions that occur during extrusion, which remain challenging. These interactions arise from the various ingredients added during HME, including proteins, starches, edible gums, dietary fibers, lipids, and enzymes. These ingredients undergo intricate conformational changes and interactions under extreme conditions of high temperature, pressure, and shear, ultimately forming the fibrous structure of meat analogs. This review offers a overview of these ingredients and the molecular interaction changes they undergo during the extrusion process. Additionally, it delves into the major molecular interactions such as disulfide bonding, hydrogen bonding, and hydrophobic interactions, providing detailed insights into each.
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Affiliation(s)
- Xin Zhang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Ao Shen
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Zhaonan Zhang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Tianyi Zhang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Lianzhou Jiang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; Department of Food Science and Technology, National University of Singapore, 117542, Singapore
| | - Weibiao Zhou
- Department of Food Science and Technology, National University of Singapore, 117542, Singapore; Heilongjiang Joint Laboratory of Plant-Based Food Science (International Cooperation), Harbin 150030, China
| | - Yan Zhang
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, China; Heilongjiang Joint Laboratory of Plant-Based Food Science (International Cooperation), Harbin 150030, China
| | - Xiaonan Sui
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; Department of Food Science and Technology, National University of Singapore, 117542, Singapore; Heilongjiang Joint Laboratory of Plant-Based Food Science (International Cooperation), Harbin 150030, China.
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130
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Li S, Wu Z, Chen J, Ye F, Wang Y, Zhao G. Lignin nanoparticle as a vehicle to load, release, and improve the stability and antioxidant activity of curcumin: Comparison between dropping and pouring regimes. Food Chem 2024; 460:140513. [PMID: 39053278 DOI: 10.1016/j.foodchem.2024.140513] [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: 05/09/2024] [Revised: 07/02/2024] [Accepted: 07/16/2024] [Indexed: 07/27/2024]
Abstract
Curcumin (Cur) was loaded in lignin nanoparticles (LNP) via an antisolvent method by pouring (P-) and dropping (D-) regimes, respectively, and Cur-loaded LNP (Cur/LNP) were comparatively characterized. The results indicated that P-Cur/LNP (62-92 nm) was much smaller than D-Cur/LNP (134-139 nm). For both regimes, their maximum loading efficiencies were comparable (91 ± 3%), while dropping regime (236.2 mg/g) demonstrated a higher loading capacity than pouring regime (174.6 mg/g). In both regimes, Cur was loaded in an amorphous form via the hydrophobic, hydrogen-bonding, and π-π interactions with lignin matrix and it demonstrated a controlled release in in vitro digestion test. In comparison, Cur in D-Cur/LNP showed higher stabilities against photodegradation, thermal treatment, and 30-d storage than that in P-Cur/LNP, while P-Cur/LNP concluded a higher antioxidant activity than D-Cur/LNP. The present findings attested that LNP was a valuable tool to stabilize and controlled release of lipophilic phytochemicals as well as improve their bioactivities.
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Affiliation(s)
- Sheng Li
- College of Food Science, Southwest University, Chongqing 400715, PR China; Chongqing Academy of Chinese Materia Medica, Chongqing College of Traditional Chinese Medicine, Chongqing 402760, PR China
| | - Zhen Wu
- Chongqing Academy of Chinese Materia Medica, Chongqing College of Traditional Chinese Medicine, Chongqing 402760, PR China
| | - Jia Chen
- College of Food Science, Southwest University, Chongqing 400715, PR China
| | - Fayin Ye
- College of Food Science, Southwest University, Chongqing 400715, PR China
| | - Yongde Wang
- Chongqing Academy of Chinese Materia Medica, Chongqing College of Traditional Chinese Medicine, Chongqing 402760, PR China
| | - Guohua Zhao
- College of Food Science, Southwest University, Chongqing 400715, PR China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, PR China.
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131
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Campalani C, Bertuol I, Bersani C, Calmanti R, Filonenko S, Rodríguez-Padrón D, Selva M, Perosa A. Green extraction of chitin from hard spider crab shells. Carbohydr Polym 2024; 345:122565. [PMID: 39227120 DOI: 10.1016/j.carbpol.2024.122565] [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: 03/07/2024] [Revised: 06/20/2024] [Accepted: 07/30/2024] [Indexed: 09/05/2024]
Abstract
A green protocol to extract chitin from crab shells using water soluble ionic liquids (ILs) is here reported. Compared to conventional multistep acid-base extraction methods, this one-pot procedure achieves pulping of recalcitrant crustacean waste shells by employing ammonium acetate, ammonium formate and hydroxylammonium acetate as water-soluble, low-cost and easy to prepare ILs. An extensive parametric analysis of the pulping process has been carried out with different ILs, different ratios, temperature and time. The optimized protocol provides a high-quality chitin comparable, if not better, to commercial chitin. The best results were obtained at 150 °C with ammonium formate prepared in-situ from aqueous ammonia and formic acid: chitin was isolated in a 17 wt% yield (based on dried crab shells as starting biowaste), a degree of acetylation (DA) > 94 %, a crystallinity index of 39-46 %, a molecular weight up to 6.6 × 105 g/mol and a polydispersity of ca 2.0.
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Affiliation(s)
- Carlotta Campalani
- Department of Molecular Sciences and Nanosystems, Università Ca' Foscari di Venezia, 30172 Venezia Mestre, Italy
| | - Ilaria Bertuol
- Department of Molecular Sciences and Nanosystems, Università Ca' Foscari di Venezia, 30172 Venezia Mestre, Italy
| | - Chiara Bersani
- Department of Molecular Sciences and Nanosystems, Università Ca' Foscari di Venezia, 30172 Venezia Mestre, Italy
| | - Roberto Calmanti
- Department of Molecular Sciences and Nanosystems, Università Ca' Foscari di Venezia, 30172 Venezia Mestre, Italy; Max-Planck Institute of Colloids and Interfaces, Department of Colloid Chemistry, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Svitlana Filonenko
- Max-Planck Institute of Colloids and Interfaces, Department of Colloid Chemistry, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Daily Rodríguez-Padrón
- Department of Molecular Sciences and Nanosystems, Università Ca' Foscari di Venezia, 30172 Venezia Mestre, Italy
| | - Maurizio Selva
- Department of Molecular Sciences and Nanosystems, Università Ca' Foscari di Venezia, 30172 Venezia Mestre, Italy.
| | - Alvise Perosa
- Department of Molecular Sciences and Nanosystems, Università Ca' Foscari di Venezia, 30172 Venezia Mestre, Italy.
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132
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de La Bourdonnaye G, Ghazalova T, Fojtik P, Kutalkova K, Bednar D, Damborsky J, Rotrekl V, Stepankova V, Chaloupkova R. Computer-aided engineering of stabilized fibroblast growth factor 21. Comput Struct Biotechnol J 2024; 23:942-951. [PMID: 38379823 PMCID: PMC10877085 DOI: 10.1016/j.csbj.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 02/03/2024] [Accepted: 02/03/2024] [Indexed: 02/22/2024] Open
Abstract
FGF21 is an endocrine signaling protein belonging to the family of fibroblast growth factors (FGFs). It has emerged as a molecule of interest for treating various metabolic diseases due to its role in regulating glucogenesis and ketogenesis in the liver. However, FGF21 is prone to heat, proteolytic, and acid-mediated degradation, and its low molecular weight makes it susceptible to kidney clearance, significantly reducing its therapeutic potential. Protein engineering studies addressing these challenges have generally shown that increasing the thermostability of FGF21 led to improved pharmacokinetics. Here, we describe the computer-aided design and experimental characterization of FGF21 variants with enhanced melting temperature up to 15 °C, uncompromised efficacy at activation of MAPK/ERK signaling in Hep G2 cell culture, and ability to stimulate proliferation of Hep G2 and NIH 3T3 fibroblasts cells comparable with FGF21-WT. We propose that stabilizing the FGF21 molecule by rational design should be combined with other reported stabilization strategies to maximize the pharmaceutical potential of FGF21.
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Affiliation(s)
- Gabin de La Bourdonnaye
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
- Enantis Ltd., Biotechnology Incubator INBIT, Brno, Czech Republic
| | - Tereza Ghazalova
- Enantis Ltd., Biotechnology Incubator INBIT, Brno, Czech Republic
| | - Petr Fojtik
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | | | - David Bednar
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
- Loschmidt Laboratories, Centre for Toxic Compounds in the Environment RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czech Republic
| | - Jiri Damborsky
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
- Loschmidt Laboratories, Centre for Toxic Compounds in the Environment RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czech Republic
| | - Vladimir Rotrekl
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czech Republic
| | | | - Radka Chaloupkova
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
- Enantis Ltd., Biotechnology Incubator INBIT, Brno, Czech Republic
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133
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Goh M, Du M, Peng WR, Saw PE, Chen Z. Advancing burn wound treatment: exploring hydrogel as a transdermal drug delivery system. Drug Deliv 2024; 31:2300945. [PMID: 38366562 PMCID: PMC10878343 DOI: 10.1080/10717544.2023.2300945] [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: 08/16/2023] [Accepted: 12/05/2023] [Indexed: 02/18/2024] Open
Abstract
Burn injuries are prevalent and life-threatening forms that contribute significantly to mortality rates due to associated wound infections. The management of burn wounds presents substantial challenges. Hydrogel exhibits tremendous potential as an ideal alternative to traditional wound dressings such as gauze. This is primarily attributed to its three-dimensional (3D) crosslinked polymer network, which possesses a high water content, fostering a moist environment that supports effective burn wound healing. Additionally, hydrogel facilitates the penetration of loaded therapeutic agents throughout the wound surface, combating burn wound pathogens through the hydration effect and thereby enhancing the healing process. However, the presence of eschar formation on burn wounds obstructs the passive diffusion of therapeutics, impairing the efficacy of hydrogel as a wound dressing, particularly in cases of severe burns involving deeper tissue damage. This review focuses on exploring the potential of hydrogel as a carrier for transdermal drug delivery in burn wound treatment. Furthermore, strategies aimed at enhancing the transdermal delivery of therapeutic agents from hydrogel to optimize burn wound healing are also discussed.
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Affiliation(s)
- MeeiChyn Goh
- Institute of Medical Imaging, Hengyang Medical School, University of South China, Hengyang, China
| | - Meng Du
- Institute of Medical Imaging, Hengyang Medical School, University of South China, Hengyang, China
| | - Wang Rui Peng
- Institute of Medical Imaging, Hengyang Medical School, University of South China, Hengyang, China
- The Seventh Affiliated Hospital, Hunan Veterans Administration Hospital, Hengyang Medical School, University of South China, Changsha, China
| | - Phei Er Saw
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan, China
| | - Zhiyi Chen
- Institute of Medical Imaging, Hengyang Medical School, University of South China, Hengyang, China
- The Seventh Affiliated Hospital, Hunan Veterans Administration Hospital, Hengyang Medical School, University of South China, Changsha, China
- The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
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134
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Zhang B, Zhou Z, Zhang Y, Miu Y, Jin C, Ding W, Zhao G, Xu Y. A sugary solution: Harnessing polysaccharide-based materials for osteoporosis treatment. Carbohydr Polym 2024; 345:122549. [PMID: 39227093 DOI: 10.1016/j.carbpol.2024.122549] [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: 06/24/2024] [Revised: 07/14/2024] [Accepted: 07/25/2024] [Indexed: 09/05/2024]
Abstract
Osteoporosis, a prevalent skeletal disorder characterized by diminished bone density, compromised microstructure, and heightened fracture susceptibility, poses a growing public health concern exacerbated by aging demographics. Polysaccharides-based materials, derived from a diverse range of sources, exhibit exceptional biocompatibility. They possess a structure similar to the extracellular matrix, which can enhance cell adhesion in vivo, and demonstrate superior biological activity compared to artificial materials. This study delved into an in-depth examination of the various biomaterials and polysaccharide families associated with the treatment of osteoporosis. This article elucidates the benefits and attributes of polysaccharide-based materials in contrast to current clinical treatment modalities, delineating how these materials address prevalent challenges in the clinical management of osteoporosis. An overview of the prospective applications of polysaccharide-based materials in the future is also provided, as well as outlines the challenges that should be addressed prior to the clinical implementation of such materials.
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Affiliation(s)
- Bohan Zhang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou Medical College, Soochow University, Suzhou 215000, China; Orthopaedic Institute, Suzhou Medical College, Soochow University, Suzhou 215000, China
| | - Zhiyi Zhou
- Wuxi Ninth People's Hospital Affiliated to Soochow University, Wuxi 214061, China
| | - Yige Zhang
- Department of Orthopaedics, Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Yan Miu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou Medical College, Soochow University, Suzhou 215000, China; Orthopaedic Institute, Suzhou Medical College, Soochow University, Suzhou 215000, China
| | - Chenyang Jin
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou Medical College, Soochow University, Suzhou 215000, China; Orthopaedic Institute, Suzhou Medical College, Soochow University, Suzhou 215000, China
| | - Wenge Ding
- Department of Orthopaedics, Third Affiliated Hospital of Soochow University, Changzhou 213003, China.
| | - Gang Zhao
- Wuxi Ninth People's Hospital Affiliated to Soochow University, Wuxi 214061, China
| | - Yong Xu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou Medical College, Soochow University, Suzhou 215000, China; Orthopaedic Institute, Suzhou Medical College, Soochow University, Suzhou 215000, China.
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135
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Cai X, Yu M, Li B, Zhang Y, Han Y. Cobalt ions-derived nanoenzyme array for endosseous neural network reconstruction and osseointegration. Bioact Mater 2024; 42:1-17. [PMID: 39246698 PMCID: PMC11378756 DOI: 10.1016/j.bioactmat.2024.08.005] [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: 06/07/2024] [Revised: 07/20/2024] [Accepted: 08/07/2024] [Indexed: 09/10/2024] Open
Abstract
Interactions between bone cells and neurocytes are crucial for endosseous nerve and ensuing bone regeneration. However, absence of neural stem cells in bone makes the innervation of implant osseointegration a major challenge. Herein, a nanorod-like array of sodium hydrogen titanate (ST) co-doped with Co2+ and Co3+, namely STCh that behaves as a reactive oxygen species (ROS)-scavenging enzyme, was hydrothermally formed on Ti substrate. We show that the doped Co2+ and Co3+ locate at TiO6 octahedral interlayers and within octahedra of STCh lattice, appearing releasable and un-releasable, respectively, leading to an increase in Co3+/Co2+ ratio and enzyme activity of the array with immersion. The nanoenzyme-released Co2+ triggers macrophages (MΦs) towards M1 phenotype, then the nanoenzyme scavenges extracellular ROS inducing M1-to-M2 transition. The neurogenic factors secreted by STCh-regulated MΦs, in combination with the released Co2+, promote mesenchymal stem cells to differentiate into neurons and Schwann cells compared to sole Co2+and ST. STCh array greatly enhances nerve reconstruction, type-H capillary formation and ensuing osseointegration in normal rat bone, and antibacteria via engulfing S. aureus by MΦs and osteogenesis in infective case. This nanoenzyme provides an alternative strategy to orchestrate endosseous nerve regeneration for osseointegration without loading exogenous neurotrophins in implants.
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Affiliation(s)
- Xinmei Cai
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Meng Yu
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Bo Li
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yingang Zhang
- Department of Orthopaedics, The First Affiliated Hospital College of Medicine, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yong Han
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
- Department of Orthopaedics, The First Affiliated Hospital College of Medicine, Xi'an Jiaotong University, Xi'an, 710061, China
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136
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Liu L, Li Y, Lu Z, Miao R, Zhang N. Thermal and light-driven soft actuators based on a conductive polypyrrole nanofibers integrated poly(N-isopropylacrylamide) hydrogel with intelligent response. J Colloid Interface Sci 2024; 675:336-346. [PMID: 38972121 DOI: 10.1016/j.jcis.2024.07.017] [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: 05/04/2024] [Revised: 06/10/2024] [Accepted: 07/03/2024] [Indexed: 07/09/2024]
Abstract
The development of soft hydrogel actuators with outstanding mechanical properties, fast actuation speed, and available quantification of self-sensing actuation remains a challenging endeavor. In this work, dopamine-decorated polypyrrole nanofibers (DAPPy) were introduced into the polyethylene glycol diacrylate (PEGDA)-crosslinked poly(N-isopropyl acrylamide) network to generate a stretchable, NIR-responsive, and strain sensitive DAPPy/PNIPAM hydrogel layer. Besides, this active layer was combined with the passive ligninsulfonate sodium/polyacrylamide (LS/PAAM) to give DAPPy/PNIPAM//LS/PAAM bilayer hydrogel actuator, which exhibits ultrafast thermo-responsive actuation (19°/s) and underwater grasping and lifting performance. Moreover, the DAPPy/PNIPAM layer has excellent electrical conductivity (0.29 S/m) and thermal conversion ability (10.8 °C/min), which enable such a conductive hydrogel to act as a highly sensitive strain and temperature sensor with real-time resistance change in response to tensile strain (gauge factor up to 3.4), applied pressure, temperature, and remote NIR light irradiation. More importantly, the bilayer hydrogel actuator can integrate both actuation and self-sensing functions through the bending angle-surface temperature-relative resistance change relationship of the photothermal process. With excellent mechanical actuation and self-sensing ability, the resulting bilayer hydrogel showed a promising application potential as soft biomimetic actuating materials and soft intelligent actuators.
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Affiliation(s)
- Lingke Liu
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China; College of Chemical Engineering, Jiangsu Key Lab for the Chemistry & Utilization of Agricultural and Forest Biomass, Nanjing Forestry University, Nanjing 210037, China
| | - Yueqin Li
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China; College of Chemical Engineering, Jiangsu Key Lab for the Chemistry & Utilization of Agricultural and Forest Biomass, Nanjing Forestry University, Nanjing 210037, China.
| | - Zichun Lu
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China; College of Chemical Engineering, Jiangsu Key Lab for the Chemistry & Utilization of Agricultural and Forest Biomass, Nanjing Forestry University, Nanjing 210037, China
| | - Ruantian Miao
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China; College of Chemical Engineering, Jiangsu Key Lab for the Chemistry & Utilization of Agricultural and Forest Biomass, Nanjing Forestry University, Nanjing 210037, China
| | - Ning Zhang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China; College of Chemical Engineering, Jiangsu Key Lab for the Chemistry & Utilization of Agricultural and Forest Biomass, Nanjing Forestry University, Nanjing 210037, China
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Xu S, Zhang H, Qian Z, Yuan W. pH-Responsive injectable self-healing hydrogels loading Au nanoparticles-decorated bimetallic organic frameworks for synergistic sonodynamic-chemodynamic-starvation-chemo therapy of cancer. J Colloid Interface Sci 2024; 675:746-760. [PMID: 38996704 DOI: 10.1016/j.jcis.2024.07.039] [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: 04/23/2024] [Revised: 07/04/2024] [Accepted: 07/05/2024] [Indexed: 07/14/2024]
Abstract
A novel and efficient cancer therapy was developed using a smart hydrogel containing multifunctional bimetallic organic frameworks and anticancer drugs. The injectable self-healing hydrogel with pH-responsiveness was constructed through borate ester and imine bonds among dopamine-grafted sodium alginate (SADA), hydroxypropyl chitosan (HPCS) and 2-formylphenylboronic acid (2-FPBA). The Au nanoparticles-decorated Ti/Fe bimetallic organic framework tetragonal nanosheets (Au/TF-MOF TNS) were synthesized and incorporated into the hydrogel with the anticancer drugs doxorubicin (DOX). Upon intratumoral injection of nanocomposite hydrogel, the acidic tumor microenvironment triggered the cleavage of borate ester and imine bonds, causing the hydrogel to break down and accelerating the release of both Au/TF-MOF TNS and DOX. These Au/TF-MOF TNS functioned as nanozymes, producing hydroxyl radicals (·OH) for chemodynamic therapy (CDT), generating oxygen (O2) to support sonodynamic therapy (SDT), and depleting glucose for starvation therapy (ST). Additionally, the Au/TF-MOF TNS served as sonosensitizers, capable of converting O2 into singlet oxygen (1O2) upon ultrasound irradiation to achieve SDT. Therefore, this nanocomposite hydrogel system enabled synergistic sonodynamic-chemodynamic-starvation-chemo therapy (SDT-CDT-ST-CT) of cancer, presenting a promising platform for advanced cancer therapy strategies.
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Affiliation(s)
- Sicheng Xu
- School of Materials Science and Engineering, Key Laboratory of Advanced Civil Materials of Ministry of Education, Tongji University, Shanghai 201804, People's Republic of China
| | - Hanyan Zhang
- School of Materials Science and Engineering, Key Laboratory of Advanced Civil Materials of Ministry of Education, Tongji University, Shanghai 201804, People's Republic of China
| | - Zhiyi Qian
- School of Materials Science and Engineering, Key Laboratory of Advanced Civil Materials of Ministry of Education, Tongji University, Shanghai 201804, People's Republic of China
| | - Weizhong Yuan
- School of Materials Science and Engineering, Key Laboratory of Advanced Civil Materials of Ministry of Education, Tongji University, Shanghai 201804, People's Republic of China.
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138
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Liu T, Chen Y, Feng L, Wang F, Shang M, Wang Y, Bao Y, Zheng J. Sustained-release mechanism of β-Cyclodextrin/cationic cellulose-stabilized Pickering emulsions loaded with citrus essential oil. Food Chem 2024; 460:140674. [PMID: 39089025 DOI: 10.1016/j.foodchem.2024.140674] [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: 05/09/2024] [Revised: 07/09/2024] [Accepted: 07/25/2024] [Indexed: 08/03/2024]
Abstract
Citrus oil (CO) is a commonly used natural flavor with high volatility, which is not conducive to sustained release under food environmental stress. This study constructed novel β-cyclodextrin/cationic cellulose nanocrystal (β-CD/C-CNC) complexes via noncovalent interaction, which were used to stabilize CO-loaded Pickering emulsions (PEβ-CD/C-CNC). The C-CNC greatly improved the physical stability, droplet dispersion and viscoelasticity of PEβ-CD/C-CNC by forming a tight network structure, as verified by rheological behavior. Moreover, C-CNC improved the wettability of β-CD/C-CNC complexes and enhanced the interaction between adjacent β-CD/C-CNC complexes. C-CNC also contributed to the interfacial viscoelasticity, hydrated mass, and layer thickness via the interfacial dilational modulus and QCM-D. β-CD/C-CNC complexes adsorbed on the oil-water interface gave rise to a dense filling layer as a physical barrier, enhancing the sustained-release performance of PEβ-CD/C-CNC by limiting diffusion of citrus essential oil into the headspace. This study provides new technical approaches for aroma retention in the food industry.
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Affiliation(s)
- Ting Liu
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Yuying Chen
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Liping Feng
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Fengzhang Wang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Mengshan Shang
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China
| | - Yanqi Wang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Yuming Bao
- Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jinkai Zheng
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China.
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139
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Li Y, Yuan K, Deng C, Tang H, Wang J, Dai X, Zhang B, Sun Z, Ren G, Zhang H, Wang G. Biliary stents for active materials and surface modification: Recent advances and future perspectives. Bioact Mater 2024; 42:587-612. [PMID: 39314863 PMCID: PMC11417150 DOI: 10.1016/j.bioactmat.2024.08.031] [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: 05/03/2024] [Revised: 08/27/2024] [Accepted: 08/27/2024] [Indexed: 09/25/2024] Open
Abstract
Demand for biliary stents has expanded with the increasing incidence of biliary disease. The implantation of plastic or self-expandable metal stents can be an effective treatment for biliary strictures. However, these stents are nondegradable and prone to restenosis. Surgical removal or replacement of the nondegradable stents is necessary in cases of disease resolution or restenosis. To overcome these shortcomings, improvements were made to the materials and surfaces used for the stents. First, this paper reviews the advantages and limitations of nondegradable stents. Second, emphasis is placed on biodegradable polymer and biodegradable metal stents, along with functional coatings. This also encompasses tissue engineering & 3D-printed stents were highlighted. Finally, the future perspectives of biliary stents, including pro-epithelialization coatings, multifunctional coated stents, biodegradable shape memory stents, and 4D bioprinting, were discussed.
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Affiliation(s)
- Yuechuan Li
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, National Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400044, China
- National United Engineering Laboratory for Biomedical Material Modification, Dezhou, 251100, China
| | - Kunshan Yuan
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, National Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400044, China
- National United Engineering Laboratory for Biomedical Material Modification, Dezhou, 251100, China
| | - Chengchen Deng
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, National Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400044, China
- National United Engineering Laboratory for Biomedical Material Modification, Dezhou, 251100, China
| | - Hui Tang
- Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
- National United Engineering Laboratory for Biomedical Material Modification, Dezhou, 251100, China
| | - Jinxuan Wang
- School of Biosciences and Technology, Chengdu Medical College, Chengdu, 610500, China
| | - Xiaozhen Dai
- School of Biosciences and Technology, Chengdu Medical College, Chengdu, 610500, China
| | - Bing Zhang
- Nanjing Key Laboratory for Cardiovascular Information and Health Engineering Medicine (CVIHEM), Drum Tower Hospital, Nanjing University, Nanjing, China
| | - Ziru Sun
- National United Engineering Laboratory for Biomedical Material Modification, Dezhou, 251100, China
- College of materials science and engineering, Shandong University of Technology, Zibo, 25500, Shandong, China
| | - Guiying Ren
- National United Engineering Laboratory for Biomedical Material Modification, Dezhou, 251100, China
- College of materials science and engineering, Shandong University of Technology, Zibo, 25500, Shandong, China
| | - Haijun Zhang
- Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
- National United Engineering Laboratory for Biomedical Material Modification, Dezhou, 251100, China
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, National Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400044, China
- School of Biosciences and Technology, Chengdu Medical College, Chengdu, 610500, China
- Nanjing Key Laboratory for Cardiovascular Information and Health Engineering Medicine (CVIHEM), Drum Tower Hospital, Nanjing University, Nanjing, China
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140
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Han L, Song T, Wang X, Luo Y, Gu C, Li X, Wen J, Wen Z, Shi X. miR-21 Responsive Nanocarrier Targeting Ovarian Cancer Cells. Comput Struct Biotechnol J 2024; 24:196-204. [PMID: 38495121 PMCID: PMC10940798 DOI: 10.1016/j.csbj.2024.02.021] [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: 11/10/2023] [Revised: 02/20/2024] [Accepted: 02/26/2024] [Indexed: 03/19/2024] Open
Abstract
In recent years, DNA origami-based nanocarriers have been extensively utilized for efficient cancer therapy. However, developing a nanocarrier capable of effectively protecting cargos such as RNA remains a challenge. In this study, we designed a compact and controllable DNA tubular origami (DTO) measuring 120 nm in length and 18 nm in width. The DTO exhibited appropriate structural characteristics for encapsulating and safeguarding cargo. Inside the DTO, we incorporated 20 connecting points to facilitate the delivery of cargoes to various ovarian and normal epithelial cell lines. Specifically, fluorescent-labeled DNA strands were attached to these sites as cargoes. The DTO was engineered to open upon encountering miR-21 through RNA/DNA strand displacement. Significantly, for the first time, we inhibited fluorescence using the compact DNA nanotube and observed dynamic fluorescent signals, indicating the controllable opening of DTO through live-cell imaging. Our results demonstrated that the DTO remained properly closed, exhibited effective internalization in ovarian cancer cells in vitro, showcasing marked differential expression of miR-21, and efficiently opened with short-term exposure to miR-21. Leveraging its autonomous behavior and compact design, the DTO emerges as a promising nanocarrier for various clinically relevant materials. It holds significant application prospects in anti-cancer therapy and the development of flexible biosensors.
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Affiliation(s)
- Liting Han
- Department of Gynecology 2, Renmin Hospital of Wuhan University, Wuhan, China
| | - Tao Song
- College of Computer Science and Technology, China University of Petroleum (East China), Qingdao, China
| | - Xinyu Wang
- Department of Gynecology 2, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yan Luo
- Department of Gynecology 2, Renmin Hospital of Wuhan University, Wuhan, China
| | - Chuanqi Gu
- Department of Gynecology 2, Renmin Hospital of Wuhan University, Wuhan, China
- College of Computer Science and Technology, China University of Petroleum (East China), Qingdao, China
- Institute of Computing Science and Technology, Guangzhou University, Guangzhou, China
| | - Xin Li
- Department of Gynecology 2, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jinda Wen
- Institute of Computing Science and Technology, Guangzhou University, Guangzhou, China
| | - Zhibin Wen
- Institute of Computing Science and Technology, Guangzhou University, Guangzhou, China
| | - Xiaolong Shi
- Institute of Computing Science and Technology, Guangzhou University, Guangzhou, China
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141
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Wang X, Yu S, Sun R, Xu K, Wang K, Wang R, Zhang J, Tao W, Yu S, Linghu K, Zhao X, Zhou J. Identification of a human type XVII collagen fragment with high capacity for maintaining skin health. Synth Syst Biotechnol 2024; 9:733-741. [PMID: 38911060 PMCID: PMC11192991 DOI: 10.1016/j.synbio.2024.06.001] [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: 03/05/2024] [Revised: 06/04/2024] [Accepted: 06/05/2024] [Indexed: 06/25/2024] Open
Abstract
Collagen XVII (COL17) is a transmembrane protein that mediates skin homeostasis. Due to expression of full length collagen was hard to achieve in microorganisms, arising the needs for selection of collagen fragments with desired functions for microbial biosynthesis. Here, COL17 fragments (27-33 amino acids) were extracted and replicated 16 times for recombinant expression in Escherichia coli. Five variants were soluble expressed, with the highest yield of 223 mg/L. The fusion tag was removed for biochemical and biophysical characterization. Circular dichroism results suggested one variant (sample-1707) with a triple-helix structure at >37 °C. Sample-1707 can assemble into nanofiber (width, 5.6 nm) and form hydrogel at 3 mg/mL. Sample-1707 was shown to induce blood clotting and promote osteoblast differentiation. Furthermore, sample-1707 exhibited high capacity to induce mouse hair follicle stem cells differentiation and osteoblast migration, demonstrating a high capacity to induce skin cell regeneration and promote wound healing. A strong hydrogel was prepared from a chitosan and sample-1707 complex with a swelling rate of >30 % higher than simply using chitosan. Fed-batch fermentation of sample-1707 with a 5-L bioreactor obtained a yield of 600 mg/L. These results support the large-scale production of sample-1707 as a biomaterial for use in the skin care industry.
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Affiliation(s)
- Xinglong Wang
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
| | - Shuyao Yu
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
| | - Ruoxi Sun
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
| | - Kangjie Xu
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
| | - Kun Wang
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
| | - Ruiyan Wang
- Bloomage Biotechnology Corporation Limited, 678 Tianchen Street, Jinan, Shandong, 250101, China
| | - Junli Zhang
- Bloomage Biotechnology Corporation Limited, 678 Tianchen Street, Jinan, Shandong, 250101, China
| | - Wenwen Tao
- Bloomage Biotechnology Corporation Limited, 678 Tianchen Street, Jinan, Shandong, 250101, China
| | - Shangyang Yu
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
| | - Kai Linghu
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
| | - Xinyi Zhao
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
| | - Jingwen Zhou
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu, 214122, China
- Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi, 214122, China
- School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, China
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142
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Zeng J, Desmond P, Ngo HH, Lin W, Liu X, Liu B, Li G, Ding A. Membrane modification in enhancement of virus removal: A critical review. J Environ Sci (China) 2024; 146:198-216. [PMID: 38969448 DOI: 10.1016/j.jes.2023.07.003] [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: 04/25/2023] [Revised: 07/04/2023] [Accepted: 07/04/2023] [Indexed: 07/07/2024]
Abstract
Many waterborne diseases are related with viruses, and COVID-19 worldwide has raised the concern of virus security in water into the public horizon. Compared to other conventional water treatment processes, membrane technology can achieve satisfactory virus removal with fewer chemicals, and prevent the outbreaks of viruses to a maximal extent. Researchers developed new modification methods to improve membrane performance. This review focused on the membrane modifications that enhance the performance in virus removal. The characteristics of viruses and their removal by membrane filtration were briefly generalized, and membrane modifications were systematically discussed through different virus removal mechanisms, including size exclusion, hydrophilic and hydrophobic interactions, electronic interactions, and inactivation. Advanced functional materials for membrane modification were summarized based on their nature. Furthermore, it is suggested that membranes should be enhanced through different mechanisms mainly based on their ranks of pore size. The current review provided theoretical support regarding membrane modifications in the enhancement of virus removal and avenues for practical application.
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Affiliation(s)
- Jie Zeng
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Peter Desmond
- Institute of Environmental Engineering (ISA), RWTH Aachen University, Aachen 52056, Germany
| | - Huu Hao Ngo
- Faculty of Engineering, University of Technology Sydney, Sydney 2007, Australia
| | - Wei Lin
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Xiao Liu
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Bingsheng Liu
- The Second Construction Co. Ltd. of China Construction Third Engineering Bureau, China
| | - Guibai Li
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - An Ding
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China.
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143
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Liu J, Gensberger-Reigl S, Zenker H, Schichtl TM, Utz W, Pischetsrieder M. Regioselective analysis of heat-induced conformational changes of β-lactoglobulin by quantitative liquid chromatography-mass spectrometry analysis of chemical labeling kinetics. Food Chem 2024; 460:140716. [PMID: 39106758 DOI: 10.1016/j.foodchem.2024.140716] [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: 03/06/2024] [Revised: 05/08/2024] [Accepted: 07/28/2024] [Indexed: 08/09/2024]
Abstract
β-Lactoglobulin is a main allergen in cow's milk; its allergenicity is strongly impacted by processing. To understand heat-induced epitope-specific effects, the present study analyzed regiospecific conformational changes of heated native β-lactoglobulin variant A (BLG-A). Complementary fluorescence spectroscopy methods indicated two denaturation phases comprising minor sequential conformational changes (25-75 °C) and complete transitions (80-90 °C). Regioselective conformational changes of BLG-A in the native state (25 °C), sequential (70 °C) and complete transition (90 °C) were determined by quantitative liquid chromatography-mass spectrometry analysis of chemical labeling kinetics covering 14 lysine residues and the N-terminus. Conformational changes in two phases were observed for N-terminus, K8 (both N-terminal chain), K60 (β-sheet C), K75 (β-sheet D), K77 (DE loop), K83 (β-sheet E), K100 and K101 (FG loop). The residues K14 (β-sheet A1), K47 (β-sheet B), K69, K70 (both β-sheet D), and K91 (β-sheet F) were not involved in conformational changes.
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Affiliation(s)
- Jiajia Liu
- Food Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Straße 10, 91058 Erlangen, Germany.
| | - Sabrina Gensberger-Reigl
- Food Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Straße 10, 91058 Erlangen, Germany.
| | - Hannah Zenker
- Food Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Straße 10, 91058 Erlangen, Germany.
| | - Theresa Maria Schichtl
- Food Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Straße 10, 91058 Erlangen, Germany.
| | - Wolfgang Utz
- Food Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Straße 10, 91058 Erlangen, Germany.
| | - Monika Pischetsrieder
- Food Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Straße 10, 91058 Erlangen, Germany; FAU NeW - Research Center New Bioactive Compounds, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany.
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144
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Oberlintner A, Shvalya V, Santhosh NM, Košiček M, Jerman I, Huš M, Cvelbar U, Novak U, Likozar B. Janus nanocellulose membrane by nitrogen plasma: Hydrophilicity to hydrophobicity selective switch. Carbohydr Polym 2024; 345:122558. [PMID: 39227097 DOI: 10.1016/j.carbpol.2024.122558] [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: 03/27/2024] [Revised: 07/26/2024] [Accepted: 07/29/2024] [Indexed: 09/05/2024]
Abstract
Cellulose nanofibrils are one of the keystone materials for sustainable future, yet their poor water repellency hinders their push into industrial applications. Due to complexity and poor economical outcome and/or processing toxicity of the existing hydrophobization methods, nanocellulose loses against its antagonist plastic in medical and food industries. Herein, we demonstrate for the first time the "one-side selective water-repellency activation" in nanocellulose membranes by the means of mild N2-plasma treatment, exhibiting lowest wettability after 20 s of treatment. Hydrophobicity and accompanying Janus character were justified by the topological, chemical and structural reorganizations in cellulose nanofibrils. The findings suggest that the mechanism behind the hydrophilic/hydrophobic change primarily relies on the interplay between OH removal and appearance of SiCH3, originating from the polysiloxanes-based substrate, as well as complementary CNH2 groups formation. First-principles calculations show that NH2 groups moderately increase hydrophobicity, while various SiCH3 substitutions wholly change the character of the surface to repel water. Using nitrogen is shown to be crucial, as N(H)Si(CH3)3 groups induce greater hydrophobicity than simple OSi(CH3)3. Finally, the obtained materials absorb water on the hydrophilic side, while remaining hydrophobic on the other, exhibit high tensile strength, and protection against UV light, demonstrating applicability over wide range of applications.
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Affiliation(s)
- Ana Oberlintner
- Department of Catalysis and Chemical Reaction Engineering, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia.
| | - Vasyl Shvalya
- Department of Gaseous Electronics, Institute Jožef Stefan, Jamova 39, SI-1000 Ljubljana, Slovenia
| | - Neelakandan M Santhosh
- Department of Gaseous Electronics, Institute Jožef Stefan, Jamova 39, SI-1000 Ljubljana, Slovenia
| | - Martin Košiček
- Department of Gaseous Electronics, Institute Jožef Stefan, Jamova 39, SI-1000 Ljubljana, Slovenia
| | - Ivan Jerman
- Laboratory for Coating Development, Department of Materials Chemistry, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia
| | - Matej Huš
- Department of Catalysis and Chemical Reaction Engineering, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia; Association for Technical Culture of Slovenia (ZOTKS), Zaloška 65, SI-1000 Ljubljana, Slovenia; Institute for the Protection of Cultural Heritage of Slovenia (ZVKDS), Poljanska 40, SI-1000 Ljubljana, Slovenia
| | - Uroš Cvelbar
- Department of Gaseous Electronics, Institute Jožef Stefan, Jamova 39, SI-1000 Ljubljana, Slovenia
| | - Uroš Novak
- Department of Catalysis and Chemical Reaction Engineering, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia.
| | - Blaž Likozar
- Department of Catalysis and Chemical Reaction Engineering, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia
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145
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Chang L, Chen Y, Zhou M, Gao Y, Wang Y, Li W, Cui Z, Zhou C, He Y, Qin J. Photothermal enhanced antibacterial chitosan-based polydopamine composite hydrogel for hemostasis and burn wound repairing. Carbohydr Polym 2024; 345:122568. [PMID: 39227122 DOI: 10.1016/j.carbpol.2024.122568] [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: 05/26/2024] [Revised: 07/13/2024] [Accepted: 07/30/2024] [Indexed: 09/05/2024]
Abstract
Bleeding and bacterial infection are common problems associated with wound treatment, while effective blood clotting and vessel regeneration promotion are the primary considerations to design the wound dressing materials. This research presents a chitosan-based hydrogel with grafted quaternary ammonium and polyphosphate (QCSP hydrogel) as the antibacterial hemostatic dressing to achieve burn wound treatment. The tissue adhesion of the hydrogel sealed the blood flow and the polyphosphate grafted to the chitosan promoted the activation of coagulation factor V to enhance the hemostasis. At the same time, the grafted quaternary ammonium enhanced the antibacterial ability of the biodegradable hydrogel wound dressing. In addition, the polydopamine as a photothermal agent was composited into the hydrogel to enhance the antibacterial and reactive oxygen scavenging performance. The in vivo hemostasis experiment proved the polyphosphate enhanced the coagulation property. Moreover, this photothermal property of the composite hydrogel enhanced the burn wound repairing rate combined with the NIR stimulus. As a result, this hydrogel could have potential application in clinic as dressing material for hemostasis and infection prone would repairing.
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Affiliation(s)
- Liming Chang
- College of Chemistry and Environmental Science, Hebei University, Baoding City, Hebei Province 071002, China
| | - Yanai Chen
- College of Chemistry and Environmental Science, Hebei University, Baoding City, Hebei Province 071002, China
| | - Min Zhou
- College of pharmaceutical Science, Hebei University, Baoding City, Hebei Province 071002, China
| | - Yuanwei Gao
- College of pharmaceutical Science, Hebei University, Baoding City, Hebei Province 071002, China
| | - Yong Wang
- Key Laboratory of Pathogenesis mechanism and control of inflammatory-autoimmune diseases in Hebei Province, Hebei University, Baoding City, Hebei Province 071002, China
| | - Wenjuan Li
- Key Laboratory of Pathogenesis mechanism and control of inflammatory-autoimmune diseases in Hebei Province, Hebei University, Baoding City, Hebei Province 071002, China
| | - Zhe Cui
- College of pharmaceutical Science, Hebei University, Baoding City, Hebei Province 071002, China
| | - Chengyan Zhou
- College of pharmaceutical Science, Hebei University, Baoding City, Hebei Province 071002, China
| | - Yingna He
- Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Pharmaceutical College, Hebei University of Chinese Medicine, Shijiazhuang City, Hebei Province 050200, China
| | - Jianglei Qin
- College of Chemistry and Environmental Science, Hebei University, Baoding City, Hebei Province 071002, China; Key Laboratory of Pathogenesis mechanism and control of inflammatory-autoimmune diseases in Hebei Province, Hebei University, Baoding City, Hebei Province 071002, China.
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146
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Zhang Y, Hao F, Liu Y, Yang M, Zhang B, Bai Z, Zhao B, Li X. Recent advances of copper-based metal phenolic networks in biomedical applications. Colloids Surf B Biointerfaces 2024; 244:114163. [PMID: 39154599 DOI: 10.1016/j.colsurfb.2024.114163] [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: 04/29/2024] [Revised: 08/04/2024] [Accepted: 08/12/2024] [Indexed: 08/20/2024]
Abstract
Metal-phenolic Networks (MPNs) are a novel class of nanomaterial developed gradually in recent years which are self-assembled by metal ions and polyphenolic ligands. Due to their environmental protection, good adhesion, and biocompatibility with green phenolic ligands, MPNs can be used as a new type of nanomaterial. They show excellent properties such as anti-inflammatory, antioxidant, antibacterial, and anticancer, and have been widely studied in the biomedical field. As one of the most common subclasses of the MPNs family, copper-based MPNs have been widely studied for drug delivery, Photodynamic Therapy (PDT), Chemo dynamic Therapy (CDT), antibacterial and anti-inflammatory, bone tissue regeneration, skin regeneration wound repair, and metal ion imaging. In this paper, the preparation strategies of different types of copper-based MPNs are reviewed. Then, the application status of copper-based MPNs in the biomedical field under different polyphenol ligands is introduced in detail. Finally, the existing problems and challenges of copper-based MPNs are discussed, as well as their future application prospects in the biomedical field.
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Affiliation(s)
- Ying Zhang
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China; Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China; Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Fengxiang Hao
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China; Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China; Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Yingyu Liu
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China; Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China; Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Mengqi Yang
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China; Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China; Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Bo Zhang
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China; Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China; Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Ziyang Bai
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China; Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China; Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Bin Zhao
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China; Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China.
| | - Xia Li
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China; Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China.
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147
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Wang Z, Zhai B, Sun J, Zhang X, Zou J, Shi Y, Guo D. Recent advances of injectable in situ-forming hydrogels for preventing postoperative tumor recurrence. Drug Deliv 2024; 31:2400476. [PMID: 39252545 PMCID: PMC11389645 DOI: 10.1080/10717544.2024.2400476] [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: 04/12/2024] [Revised: 07/17/2024] [Accepted: 08/30/2024] [Indexed: 09/11/2024] Open
Abstract
The unavoidable residual tumor tissue from surgery and the strong aggressiveness of tumor cells pose challenges to the postoperative treatment of tumor patients, accompanied by in situ tumor recurrence and decreased quality of life. Therefore, there is an urgent need to explore appropriate postoperative therapeutic strategies to remove residual tumor cells after surgery to inhibit tumor recurrence and metastasis after surgery. In recent years, with the rapid development of biomedical materials, the study of local delivery systems as postoperative delivery of therapeutic agents has gradually attracted the attention of researchers. Injectable in situ-forming hydrogel is a locally administered agent injected in situ as a solution that can be loaded with various therapeutic agents and rapidly gels to form a semi-solid gel at the treatment site. This type of hydrogel tightly fills the surgical site and covers irregular excision surfaces. In this paper, we review the recent advances in the application of injectable in situ-forming hydrogels in postoperative therapy, focusing on the matrix materials of this type of hydrogel and its application in the postoperative treatment of different types of tumors, as well as discussing the challenges and prospects of its clinical application.
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Affiliation(s)
- Zhanpeng Wang
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an, People's Republic of China
| | - Bingtao Zhai
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an, People's Republic of China
- State Key Laboratory of Research & Development of Characteristic Qin Medicine Resources (Cultivation), Shaanxi University of Chinese Medicine, Xi'an, People's Republic of China
| | - Jing Sun
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an, People's Republic of China
| | - Xiaofei Zhang
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an, People's Republic of China
| | - Junbo Zou
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an, People's Republic of China
| | - Yajun Shi
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an, People's Republic of China
| | - Dongyan Guo
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an, People's Republic of China
- Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, Shaanxi University of Chinese Medicine, Xi'an, People's Republic of China
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148
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Nazari N, Imani R, Nasiraie LR. Fiber/hydrogel hybrid wound dressing based on eggshell membrane containing postbiotic ingredients. BIOMATERIALS ADVANCES 2024; 165:214004. [PMID: 39213956 DOI: 10.1016/j.bioadv.2024.214004] [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: 05/02/2024] [Revised: 08/14/2024] [Accepted: 08/21/2024] [Indexed: 09/04/2024]
Abstract
Skin is the largest organ in body which has important functions. Therefore, to have a healthy skin is very essential, and wound dressings are specifically designed to promote the wound healing process. The aim of this study is to prepare and characterize a fiber-hydrogel wound dressing based on eggshell membrane (ESM) enriched with postbiotic compounds extracted from Lactobacillus plantarum NIMBB003 bacteria. For this purpose, ESM was effectively separated from eggshells through acidic treatment. Then, ultrasound was used for an optimal duration of 1.89 min at 95 % of device's power to expand the pore size of ESM from 6.89 to 10.84 μm to enhance hydrogel infiltration into ESM. The hydrogel (alginate and oxidized alginate) was then infiltrated into the ESM. ATR, SEM, and weight measurement of samples showed the proper infiltration of the hydrogel within the ESM structure. However, biostability analysis revealed that alginate hydrogel was more stable in the hybrid structure compared to oxidase alginate hydrogel. Alginate infiltration into ESM, improved the ultimate strength of the ESM to 1.89 ± 0.17 MPa and water uptake degree to 368.05 % ± 24.34 %. The water vapor transmission rate of the designed dressing was 34.14 ± 1.05 mg/cm2 after 72 h, which means the proper moist management in wound bed. Finally, addition of postbiotics at a concentration of 10 mg/ml into the hydrogel improved cell proliferation in five days. Furthermore, human dermal fibroblast cells adhered to the wound dressings properly and spread along the fibers of the ESM. In general, the developed wound dressing composed of natural biomaterials with extracellular matrix-like structure, can be used effectively to assist the wound healing process.
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Affiliation(s)
- Neda Nazari
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Rana Imani
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran.
| | - Leila Roozbeh Nasiraie
- Department of Food Science & Technology, Islamic Azad University, Nour, Iran; Research and Development Center, Shams Bavarane Salamate Nour Consulting & Production Services, Tehran, Iran
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149
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Kyser AJ, Mahmoud MY, Fotouh B, Patel R, Armstrong C, Aagard M, Rush I, Lewis W, Lewis A, Frieboes HB. Sustained dual delivery of metronidazole and viable Lactobacillus crispatus from 3D-printed silicone shells. BIOMATERIALS ADVANCES 2024; 165:214005. [PMID: 39208497 PMCID: PMC11443601 DOI: 10.1016/j.bioadv.2024.214005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 08/01/2024] [Accepted: 08/21/2024] [Indexed: 09/04/2024]
Abstract
Bacterial vaginosis (BV) is an imbalance of the vaginal microbiome in which there are limited lactobacilli and an overgrowth of anaerobic and fastidious bacteria such as Gardnerella. The propensity for BV recurrence is high, and therapies involving multiple treatment modalities are emerging to meet this need. However, current treatments requiring frequent therapeutic administration are challenging for patients and impact user compliance. Three-dimensional (3D)-printing offers a novel alternative to customize platforms to facilitate sustained therapeutic delivery to the vaginal tract. This study designed a novel vehicle intended for dual sustained delivery of both antibiotic and probiotic. 3D-printed compartmental scaffolds consisting of an antibiotic-containing silicone shell and a core containing probiotic Lactobacillus were developed with multiple formulations including biomaterials sodium alginate (SA), polyethylene glycol (PEG), polyvinyl alcohol (PVA), polyethylene oxide (PEO), and kappa-carrageenan (KC). The vehicles were loaded with 50 μg of metronidazole/mg polymer and 5 × 107 CFU of L. crispatus/mg scaffold. Metronidazole-containing shells exhibited cumulative drug release of 324.2 ± 31.2 μg/mL after 14 days. Multiple polymeric formulations for the probiotic core demonstrated cumulative L. crispatus recovery of >5 × 107 CFU/mg scaffold during this timeframe. L. crispatus-loaded polymeric formulations exhibited ≥2 log CFU/mL reduction in free Gardnerella in the presence of VK2/E6E7 vaginal epithelial cells. As a first step towards the goal of facilitating patient compliance, this study demonstrates in vitro effect of a novel 3D-printed dual antibiotic and probiotic delivery platform to target BV.
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Affiliation(s)
- Anthony J Kyser
- Department of Bioengineering, University of Louisville, Louisville, KY, USA
| | - Mohamed Y Mahmoud
- Department of Bioengineering, University of Louisville, Louisville, KY, USA; Department of Toxicology and Forensic Medicine, Faculty of Veterinary Medicine, Cairo University, Egypt
| | - Bassam Fotouh
- Department of Bioengineering, University of Louisville, Louisville, KY, USA
| | - Rudra Patel
- Department of Bioengineering, University of Louisville, Louisville, KY, USA
| | - Christy Armstrong
- Glycobiology Research and Training Center, University of California San Diego, La Jolla, CA, USA; Department of Obstetrics, Gynecology and Reproductive Sciences, University of California San Diego, La Jolla, CA, USA
| | - Marnie Aagard
- Glycobiology Research and Training Center, University of California San Diego, La Jolla, CA, USA; Department of Obstetrics, Gynecology and Reproductive Sciences, University of California San Diego, La Jolla, CA, USA
| | - Isaiah Rush
- Department of Chemical Engineering, University of Dayton, Dayton, OH, USA
| | - Warren Lewis
- Glycobiology Research and Training Center, University of California San Diego, La Jolla, CA, USA; Department of Obstetrics, Gynecology and Reproductive Sciences, University of California San Diego, La Jolla, CA, USA
| | - Amanda Lewis
- Glycobiology Research and Training Center, University of California San Diego, La Jolla, CA, USA; Department of Obstetrics, Gynecology and Reproductive Sciences, University of California San Diego, La Jolla, CA, USA
| | - Hermann B Frieboes
- Department of Bioengineering, University of Louisville, Louisville, KY, USA; Center for Predictive Medicine, University of Louisville, Louisville, KY, USA; Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY, USA; UofL Health - Brown Cancer Center, University of Louisville, KY, USA.
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150
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Cui J, Liu D, Zhang Y, Ma M, Shang M, Zhao C, Lu X, Zhao C, Zheng J. Structural characteristics and gelling properties of citrus pectins after chemical and enzymatic modifications: Conformation plays a vital role in Ca 2+-induced gelation. Food Chem 2024; 459:140370. [PMID: 38986208 DOI: 10.1016/j.foodchem.2024.140370] [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: 05/21/2024] [Revised: 06/22/2024] [Accepted: 07/04/2024] [Indexed: 07/12/2024]
Abstract
Due to the excellent health benefits of rhamnogalacturonan I (RG-I)-enriched pectin, there has been increasing research interest in its gelling properties. To elucidate its structure-gelation relationship, chemical modifications were used to obtain RG-I-enriched pectin (P11). Then, enzymatic modification was performed to obtain debranched pectins GP11 and AP11, respectively. The effects of RG-I side chains on structural characteristics (especially spatial conformation) and gelling properties were investigated. Among the low-methoxylated pectins (LMPs), AP11, with a loose conformation (Dmax 52 nm) showed the poorest gelling, followed by GP11. In addition to primary structure, spatial conformation (Dmax and Rg) also showed strong correlations (r2 > 0.8) with gelation. We speculate that compact conformation may shorten distance between pectin chains and reduces steric hindrance, contributing to formation of strong gel network. This is particularly important in LMPs with abundant side chains. The results provide novel insights into relationship between spatial conformation and gelling properties of RG-I-enriched pectin.
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Affiliation(s)
- Jiefen Cui
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China; Key Laboratory of Special Food Processing (Co-construction by Ministry and Province), Ministry of Agriculture Rural Affairs, Qingdao Agricultural University, Qingdao, 266109, China; Shandong Technology Innovation Center of Special Food, Qingdao, 266109, China; Qingdao Special Food Research Institute, Qingdao, 266109, China
| | - Dan Liu
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China; Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Yuyang Zhang
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China; Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Mengyu Ma
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Mengshan Shang
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China; Key Laboratory of Special Food Processing (Co-construction by Ministry and Province), Ministry of Agriculture Rural Affairs, Qingdao Agricultural University, Qingdao, 266109, China; Shandong Technology Innovation Center of Special Food, Qingdao, 266109, China; Qingdao Special Food Research Institute, Qingdao, 266109, China
| | - Cheng Zhao
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China; Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Xingmiao Lu
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Chengying Zhao
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Jinkai Zheng
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China; Key Laboratory of Special Food Processing (Co-construction by Ministry and Province), Ministry of Agriculture Rural Affairs, Qingdao Agricultural University, Qingdao, 266109, China; Shandong Technology Innovation Center of Special Food, Qingdao, 266109, China; Qingdao Special Food Research Institute, Qingdao, 266109, China; Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
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