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Liu Y, Wang S, Liu Y. Ultrasound-mediated host-guest self-assembly between different dietary fatty acids and sodium caseinate and their complexes improving the water dispersibility, stability, and bioaccessibility of quercetin. Food Chem 2024; 448:139054. [PMID: 38552465 DOI: 10.1016/j.foodchem.2024.139054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 03/13/2024] [Accepted: 03/14/2024] [Indexed: 04/24/2024]
Abstract
Quercetin (QUE) sufferred from poor processing adaptability and absorbability, hindering its application as a dietary supplement in the food industry. In this study, fatty acids (FAs)-sodium caseinate (NaCas) ligand complexes carriers were fabricated to improve the aqueous dispersibility, storage/thermal stability, and bioaccessibility of QUE using an ultrasound method. The results indicated that all six selected common dietary FAs formed stable hydrophilic complexes with NaCas and the FAs-NaCas complexes achieved an encapsulation efficiency greater than 90 % for QUE. Furthermore, the introduction of FAs enhanced the binding affinity between NaCas and QUE, but did not change the binding mode (static bursting) and types of intermolecular forces (mainly hydrogen bonding). In addition, a distinct improvement was discovered in the storage stability (>2.37-fold), thermal processing stability (>32.54 %), and bioaccessibility (>2.37-fold) of QUE. Therefore, the FAs-NaCas ligand complexes could effectively protect QUE to minimize degradation as fat-soluble polyphenol delivery vehicles.
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Affiliation(s)
- Yunjun Liu
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen, Fujian 361021, People's Republic of China
| | - Shengnan Wang
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen, Fujian 361021, People's Republic of China
| | - Yixiang Liu
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen, Fujian 361021, People's Republic of China.
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2
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Feng Y, Li R, Zhang H, Ren F, Liu J, Wang J. Formation, structural characteristics and specific peptide identification of gluten amyloid fibrils. Food Chem 2024; 445:138648. [PMID: 38354639 DOI: 10.1016/j.foodchem.2024.138648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 01/29/2024] [Accepted: 01/30/2024] [Indexed: 02/16/2024]
Abstract
This research investigates the formation of amyloid fibrils using enzymatically hydrolyzed peptides from gluten, including its components glutenin and gliadin. After completing the fibrillation incubation, the gluten group demonstrated the most significant average particle size (908.67 nm) and conversion ratio (57.64 %), with a 19.21 % increase in thioflavin T fluorescence intensity due to self-assembly. The results indicated increased levels of β-sheet structures after fibrillation. The gliadin group exhibited the highest zeta potential (∼13 mV) and surface hydrophobicity (H0 = 809.70). Around 71.15 % of predicted amyloidogenic regions within gliadin peptides showed heightened hydrophobicity. These findings emphasize the collaborative influence of both glutenin and gliadin in the formation of gluten fibrils, influenced by hydrogen bonding, hydrophobic, and electrostatic interactions. They also highlight the crucial role played by gliadin with amyloidogenic fragments such as ILQQIL and SLVLQTL, aiming to provide a theoretical basis for understanding the utilization of gluten proteins.
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Affiliation(s)
- Yulin Feng
- School of Food and Health, Beijing Technology & Business University (BTBU), Beijing 100048, China; National Center of Technology Innovation for Grain Industry (Comprehensive Utilization of Edible by-products), Beijing Technology and Business University, Beijing 100048, China; Key Laboratory of Special Food Supervision Technology for State Market Regulation, China
| | - Ren Li
- School of Food and Health, Beijing Technology & Business University (BTBU), Beijing 100048, China; National Center of Technology Innovation for Grain Industry (Comprehensive Utilization of Edible by-products), Beijing Technology and Business University, Beijing 100048, China; Key Laboratory of Special Food Supervision Technology for State Market Regulation, China
| | - Huijuan Zhang
- School of Food and Health, Beijing Technology & Business University (BTBU), Beijing 100048, China; National Center of Technology Innovation for Grain Industry (Comprehensive Utilization of Edible by-products), Beijing Technology and Business University, Beijing 100048, China; Key Laboratory of Special Food Supervision Technology for State Market Regulation, China.
| | - Feiyue Ren
- School of Food and Health, Beijing Technology & Business University (BTBU), Beijing 100048, China; National Center of Technology Innovation for Grain Industry (Comprehensive Utilization of Edible by-products), Beijing Technology and Business University, Beijing 100048, China; Key Laboratory of Special Food Supervision Technology for State Market Regulation, China
| | - Jie Liu
- School of Food and Health, Beijing Technology & Business University (BTBU), Beijing 100048, China; National Center of Technology Innovation for Grain Industry (Comprehensive Utilization of Edible by-products), Beijing Technology and Business University, Beijing 100048, China; Key Laboratory of Special Food Supervision Technology for State Market Regulation, China
| | - Jing Wang
- School of Food and Health, Beijing Technology & Business University (BTBU), Beijing 100048, China; National Center of Technology Innovation for Grain Industry (Comprehensive Utilization of Edible by-products), Beijing Technology and Business University, Beijing 100048, China; Key Laboratory of Special Food Supervision Technology for State Market Regulation, China.
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3
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Wang Y, Ma H, Liu J, Zhang Z, Yu Y, Zuo S. Broad-spectrum hybrid-driven triple-interface Z-Scheme 1T/2H phase sailboat-like molybdenum disulfide (MoS 2)/protonated N-defect nanoporous graphitic carbon nitride (g-C 3N 4) nanosheets piezo-photocatalyst: Superior degradation and hydrogen evolution. J Colloid Interface Sci 2024; 665:655-680. [PMID: 38552582 DOI: 10.1016/j.jcis.2024.03.145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 03/08/2024] [Accepted: 03/21/2024] [Indexed: 04/17/2024]
Abstract
Incorporating piezo-response into photocatalysis holds great promise for eco-friendly strategies in environmental remediation and sustainable energy conversion. Herein, flexible N-defect nanoporous g-C3N4 nanosheets (NPCNs) was prepared via one-step method, then whose surface was protonated. And existed dense 1T/2H phase and vertical interfaces in non-layer-dependent-piezo-response sailboat-like-MoS2 (Sv-MS) formed by in-situ stresses during nucleation and growth by experiments and MD-simulations. Noble-metal-free Z-scheme PC/VM heterojunction with broad-spectrum absorption, enhanced piezo-response and intimate triple-interface was established by electrostatic self-assembly, performing efficient hybrid-driven piezo-photocatalysis. With a systematic modification of morphology, grain size, phase composition, and surface condition of the components, the optimal PC(3.6H)/VM(u2) exhibited high piezo-photocatalytic rates for degradation of organic dyes and antibiotic (RhB (0.565 min-1), MO (0.052 min-1), MB (1.557 min-1), TC (0.062 min-1)) and hydrogen evolution (3528 μmolg-1h-1) under visible-light and ultrasonic-wave, with maintenance under NIR-light (λmax = 1000 nm) attributed to up-conversion effect (RhB: 0.212 min-1, H2: 2355 μmolg-1h-1). Furthermore, the piezo-photocatalytic mechanism was proposed by experiments and DFT-calculations for effective triple-interface Z-Scheme charge migration. This work provides a rational protocol for constructing diverse-energy-triggered, multiple-interfaces and broad-solar-spectrum (UV-Vis-NIR) piezo-photocatalysts in degradation and hydrogen evolution.
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Affiliation(s)
- Yimeng Wang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing, People's Republic of China
| | - Hecheng Ma
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing, People's Republic of China
| | - Jianjun Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing, People's Republic of China.
| | - Ziang Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing, People's Republic of China
| | - Yingchun Yu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing, People's Republic of China
| | - Shengli Zuo
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 North Third Ring Road East, Chaoyang District, Beijing, People's Republic of China
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Yu Z, Gao Y, Shang Z, Wang T, He X, Lei J, Tai F, Zhang L, Chen Y. A stable delivery system for curcumin: Fabrication and characterization of self-assembling acylated kidney bean protein isolate nanogels. Food Chem 2024; 443:138526. [PMID: 38290298 DOI: 10.1016/j.foodchem.2024.138526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/27/2023] [Accepted: 01/18/2024] [Indexed: 02/01/2024]
Abstract
The construction of protein-based nano-gels as curcumin delivery system effectively enhances the stability and bioavailability of curcumin. In this study, acylation modification and self-assembly techniques were jointly employed to construct acylated kidney bean protein isolate (AKBPI)-nanogels. Optimal conditions for AKBPI-nanogels were determined to be pH 7, concentration of 2 mg/mL, and temperature at 90℃ for 30 min. The optimized AKBPI-nanogels exhibited excellent uniformity as evidenced by decreasing average particle size (137.35 nm) and polydispersity index (0.38). Acylation enhanced the intermolecular interactions within the nanogel by reducing the polarity of tyrosine microenvironment and free sulfhydryl groups. AKBPI-nanogels demonstrated remarkable characteristics in terms of pH sensitivity, salt concentration, and storage tolerance. The curcumin-loaded AKBPI-nanogels exhibited an encapsulation efficiency of 92.30 % and maintained high antioxidant activity. In simulated gastrointestinal digestion, AKBPI-nanogels facilitated the controlled release and higher bioavailability of curcumin. Therefore, AKBPI-nanogels can be a stable tool for delivering curcumin.
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Affiliation(s)
- Zhihui Yu
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China; Houji Laboratory in Shanxi Province, Taiyuan 030031, Shanxi, China; Food Nutrition and Safety Institute, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China
| | - Yating Gao
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Ziqi Shang
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Tengfei Wang
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Xuli He
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Jian Lei
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Fei Tai
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Lixin Zhang
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China; Food Nutrition and Safety Institute, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China.
| | - Yisheng Chen
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China; Houji Laboratory in Shanxi Province, Taiyuan 030031, Shanxi, China; Food Nutrition and Safety Institute, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China.
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5
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Wang M, Yu A, Han W, Chen J, Lu C, Tu X. Self-assembled metal-phenolic nanocomplexes comprised of green tea catechin for tumor-specific ferroptosis. Mater Today Bio 2024; 26:101040. [PMID: 38590984 PMCID: PMC10999486 DOI: 10.1016/j.mtbio.2024.101040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/19/2024] [Accepted: 03/22/2024] [Indexed: 04/10/2024] Open
Abstract
Ferroptosis, a newly discovered form of regulated cell death, has garnered significant attention in the field of tumor therapy. However, the presence of overexpressed glutathione (GSH) and insufficient levels of H2O2 in the tumor microenvironment (TME) hinders the occurrence of ferroptosis. In response to these challenges, here we have constructed the self-assembled nanocomplexes (FeE NPs) utilizing epigallocatechin-3-gallate (EGCG) from green tea polyphenols and metal ions (Fe3+) as components. After grafting PEG, the nanocomplexes (FeE@PEG NPs) exhibit good biocompatibility and synergistically enhanced tumor-inhibitory properties. FeE@PEG NPs can be disassembled by H2O2 in the TME, leading to the rapid release of Fe3+ and EGCG. The released Fe3+ produces large amounts of toxic •OH by the Fenton reactions while having minimal impact on normal cells. The generated •OH effectively induces lipid peroxidation, which leads to ferroptosis in tumor cells. Meanwhile, the released EGCG can autoxidize to produce H2O2, which further promotes the production of •OH radicals and increases lipid peroxide levels. Moreover, EGCG also depletes the high levels of intracellular GSH, leading to an intracellular redox imbalance and triggering ferroptosis. This study provides new insights into advancing anticancer ferroptosis through rational material design, offering promising avenues for future research.
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Affiliation(s)
- Min Wang
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Aoling Yu
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Wen Han
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Jingyi Chen
- Department of Neurosurgery, Fujian Medical University Union Hospital, Neurosurgery Research Institute of Fujian Province, Fuzhou, Fujian, 350001, China
| | - Chunhua Lu
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Xiankun Tu
- Department of Neurosurgery, Fujian Medical University Union Hospital, Neurosurgery Research Institute of Fujian Province, Fuzhou, Fujian, 350001, China
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Yuan C, Guo Z, Tian S, Song N, Liang M. Glutathione ligand self-assembly enables luminescence from Au 15 nanoclusters for highly sensitive and selective monitoring of blood Pb(II) ions. Talanta 2024; 273:125905. [PMID: 38513473 DOI: 10.1016/j.talanta.2024.125905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/01/2024] [Accepted: 03/09/2024] [Indexed: 03/23/2024]
Abstract
Lead Pb(II) ions is a cumulative toxicant that impacts several biological systems and poses severe harm to young children. Accurate Pb(II) ions monitoring is thus of paramount importance. Here, we present the synthesis and application of glutathione-capped Au15 nanoclusters (Au15(SG)13) as a luminescence probe for the accurate and selective monitoring of blood Pb(II). The introduction of Pb(II) ions triggers orderly self-assembly of Au15 nanoclusters, resulting in the formation of rigid shell around Au nuclei. This limits the localized vibration of the glutathione ligands and their interaction with water molecules, greatly reducing non-radiative energy loss, and thereby enhancing the photoluminescence signal. Consequently, Au15(SG)13 nanoclusters exhibit high sensitivity for Pb(II) detection. The detection signal displays a linear relationship with Pb(II) over a wide detection range (0-800 μg/L), demonstrating a substantial sensitivity of 35.29 μg/L. Moreover, the developed nanoclusters show superior selectivity for Pb(II) ions, distinguishing them from other prevalent heavy metals. This work pave the way for the development of advanced Pb(II) sensors with high sensitivity and selectivity.
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Affiliation(s)
- Chang Yuan
- Experimental Center of Advanced Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, China
| | - Zhanjun Guo
- Experimental Center of Advanced Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, China
| | - Shubo Tian
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Centre for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, China
| | - Ningning Song
- Experimental Center of Advanced Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, China.
| | - Minmin Liang
- Experimental Center of Advanced Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, China.
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7
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Zhang M, Wang H, Dai GC, Lu PP, Gao YC, Cao MM, Li YJ, Rui YF. Injectable self-assembled GDF5-containing dipeptide hydrogels for enhanced tendon repair. Mater Today Bio 2024; 26:101046. [PMID: 38600922 PMCID: PMC11004210 DOI: 10.1016/j.mtbio.2024.101046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/31/2024] [Accepted: 04/02/2024] [Indexed: 04/12/2024] Open
Abstract
Owing to the tissue characteristics of tendons with few blood vessels and cells, the regeneration and repair of injured tendons can present a considerable challenge, which considerably affects the motor function of limbs and leads to serious physical and mental pain, along with an economic burden on patients. Herein, we designed and fabricated a dipeptide hydrogel (DPH) using polypeptides P11-4 and P11-8. This hydrogel exhibited self-assembly characteristics and could be administered in vitro. To endow the hydrogel with differentiation and regeneration abilities, we added different concentrations of growth differentiation factor 5 (GDF5) to form GDF5@DPH. GDF5@DPH promoted the aggregation and differentiation of tendon stem/progenitor cells and promoted the regeneration and repair of tendon cells and collagen fibers in injured areas. In addition, GDF5@DPH inhibited inflammatory reactions in the injured area. Owing to its injectable properties, DPH can jointly inhibit adhesion and scar hyperplasia between tissues caused by endogenous inflammation and exogenous surgery and can provide a favorable internal environment for the regeneration and repair of the injured area. Overall, the GDF5@DPH system exhibits considerable promise as a novel approach to treating tendon injury.
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Affiliation(s)
- Ming Zhang
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Hao Wang
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Guan-Chun Dai
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Pan-Pan Lu
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Yu-Cheng Gao
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Mu-Ming Cao
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Ying-Juan Li
- Department of Geriatrics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
| | - Yun-Feng Rui
- Department of Orthopedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
- Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
- Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, PR China
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8
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Kłodzińska SN, Wang Q, Molchanova N, Mahmoudi N, Vallooran JJ, Hansen PR, Jenssen H, Mørck Nielsen H. Nanogel delivery systems for cationic peptides: More than a 'One Size Fits All' solution. J Colloid Interface Sci 2024; 663:449-457. [PMID: 38417296 DOI: 10.1016/j.jcis.2024.02.101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/12/2024] [Accepted: 02/12/2024] [Indexed: 03/01/2024]
Abstract
Self-assembled hyaluronic acid-based nanogels are versatile drug carriers due to their biodegradable nature and gentle preparation conditions, making them particularly interesting for delivery of peptide therapeutics. This study aims to elucidate the relation between peptide structure and encapsulation in a nanogel. Key peptide properties that affect encapsulation in octenyl succinic anhydride-modified hyaluronic acid nanogels were identified as we explored the effect on nanogel characteristics using 12 peptides with varying charge and hydrophobicity. The size and surface properties of the microfluidics-assembled peptide-loaded nanogels were evaluated using dynamic light scattering, laser Doppler electrophoresis, and small angle neutron scattering. Additionally, the change in peptide secondary structure upon encapsulation in nanogels, their release from the nanogels, and the in vitro antimicrobial activity were assessed. In conclusion, the more hydrophobic peptides showed stronger binding to the nanogel carrier and localized internally rather than on the surface of the nanogel, resulting in more spherical nanogels with smoother surfaces and slower release profiles. In contrast, cationic and hydrophilic peptides localized at the nanogel surface resulting in fluffier nanogel structures and quick and more complete release in biorelevant medium. These findings emphasize that the advantages of nanogel delivery systems for different applications depend on the therapeutic peptide properties.
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Affiliation(s)
- Sylvia N Kłodzińska
- Center for Biopharmaceuticals and Biobarriers in Drug Delivery (BioDelivery), Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Qiuyu Wang
- Center for Biopharmaceuticals and Biobarriers in Drug Delivery (BioDelivery), Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Natalia Molchanova
- Department of Science and Environment, Roskilde University, Universitetsvej 1, DK-4000 Roskilde, Denmark
| | - Najet Mahmoudi
- ISIS Neutron and Muon Source, STFC, Rutherford Appleton Laboratory, Harwell Campus, Didcot, UK
| | - Jijo J Vallooran
- Department of Chemistry, Nirmala College, Muvattupuzha, Kerala, India
| | - Paul R Hansen
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Håvard Jenssen
- Department of Science and Environment, Roskilde University, Universitetsvej 1, DK-4000 Roskilde, Denmark
| | - Hanne Mørck Nielsen
- Center for Biopharmaceuticals and Biobarriers in Drug Delivery (BioDelivery), Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark.
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9
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Wang J, Ouyang H, Ni Y, Zhang H, Sun L, Liu R, Li S. Magnetic self-assembled label-free electrochemical biosensor based on Fe 3O 4/α-Fe 2O 3 heterogeneous nanosheets for the detection of Tau proteins. Bioelectrochemistry 2024; 157:108678. [PMID: 38452441 DOI: 10.1016/j.bioelechem.2024.108678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 02/25/2024] [Accepted: 03/04/2024] [Indexed: 03/09/2024]
Abstract
A type of electrochemical biosensors based on magnetic Fe3O4/α-Fe2O3 heterogeneous nanosheets was constructed to detect Tau proteins for early diagnosis and intervention therapy of Alzheimer's disease (AD). Firstly, Fe3O4/α-Fe2O3 heterogeneous nanosheets were fabricated as the substrate to realize magnetic self-assembly and magnetic separation to improve current response, and Fe3O4/α-Fe2O3@Au-Apt/ssDNA/MCH biosensors were successfully constructed through the reduction process of chloroauric acid, the immobilizations of aptamer (Apt) and ssDNA, and the intercept process of 6-Mercapto-1-hexanol (MCH); the construction process of the electrochemical biosensor was monitored using Cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS), and the factors affecting the current response of this sensor (concentration of Fe3O4/α-Fe2O3@Au and Apt/ssDNA, incubation temperature and time of Tau) were explored and optimized using differential pulse voltammetry (DPV). Analyzing the performance of this sensor under optimal conditions, the linear range was finally obtained to be 0.1 pg/mL-10 ng/mL, the limit of detection (LOD) was 0.08 pg/mL, and the limit of quantification (LOQ) was 0.28 pg/mL. The selectivity, reproducibility and stability of the biosensors were further investigated, and in a really sample analysis using human serum, the recoveries were obtained in the range of 93.93 %-107.39 %, with RSD ranging from 1.05 % to 1.94 %.
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Affiliation(s)
- Jie Wang
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
| | - Hezhong Ouyang
- The People's Hospital of Danyang, Affiliated Danyang Hospital of Nantong University, Zhenjiang 212300, PR China
| | - Yun Ni
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
| | - Haoda Zhang
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
| | - Lei Sun
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
| | - Ruijiang Liu
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China.
| | - Shasha Li
- Affiliated Kunshan Hospital, Jiangsu University, Suzhou 215300, PR China.
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10
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Tang S, Liu P, Zhu S, Kou T, Li Y, Jiang L, Qi B. Self-assembly and aggregation behavior of temperature-controlled modified glycinin and d-galactose colloidal particles. Food Chem 2024; 441:138323. [PMID: 38199105 DOI: 10.1016/j.foodchem.2023.138323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 12/21/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024]
Abstract
The molecular structure and morphologies of complex colloidal particles with modified glycine (S-11S) and d-galactose were studied by multispectral, microscopic imaging and chromatographic techniques at different temperatures, and the self-assembly and aggregation mechanisms were determined. Overall, high-temperature-treated S-11S and d-galactose associate at cysteine and phenylalanine sites and self-assemble into colloidal particles of greater stability than glycinin and S-11S via ionic and disulfide bonds. The structure and subunit content of composite colloidal particles were changed. Assessing the sub-microstructure reveals that temperature can regulate the directional aggregation of complex colloidal particles. The elasticity of the complex colloidal particles is maximum enhanced at 95 ℃ as confirmed by the rheological. Thus, the heat-treated aggregation of the soy protein and its complex was evaluated to provide a new theoretical basis for the application of soy protein in gels and other areas and contribute to the design of new soy protein products.
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Affiliation(s)
- Shiqi Tang
- College of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Panling Liu
- College of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Sha Zhu
- College of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Tianzhan Kou
- College of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Yang Li
- College of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Lianzhou Jiang
- College of Food Science, Northeast Agricultural University, Harbin, 150030, China.
| | - Baokun Qi
- College of Food Science, Northeast Agricultural University, Harbin, 150030, China.
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11
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Tao Y, Liu Q, Cheng N. Sea hedgehog-inspired surface-enhanced Raman scattering biosensor probe for ultrasensitive determination of Staphylococcus aureus in food supplements. Biosens Bioelectron 2024; 252:116146. [PMID: 38417286 DOI: 10.1016/j.bios.2024.116146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 03/01/2024]
Abstract
Staphylococcus aureus contamination in food supplements poses substantial challenges to public health and large-scale production but the sensitive detection in a timely manner remains a bottleneck. Drawing inspiration from the sea hedgehog, gold nanostars (AuNSs) were leveraged to design an ultrasensitive surface-enhanced Raman scattering (SERS) biosensor for the determination of Staphylococcus aureus in food supplements. Besides the surface enhancement furnished by the AuNSs, Raman reporter molecules and specific aptamers sequentially self-assembled onto these AuNSs to construct the "three-in-one" SERS biosensor probe for label-based quantitation of Staphylococcus aureus. Following incubation with contaminated health product samples, the gold nanostars@Raman reporter-aptamer specifically recognize and assemble around Staphylococcus aureus cells, forming a distinctive sea hedgehog structure. This unique configuration results in an amplified Raman signal at 1338 cm-1 and an enhancement factor of up to 6.71 × 107. The entire quantitative detection process can be completed within 30 min, boasting an exceptional limit of detection as low as 1.0 CFU mL-1. The method exhibits a broad working range for the determination of Staphylococcus aureus, with concentrations spanning 2.15 CFU mL-1 to 2.15 × 105 CFU mL-1. Furthermore, it demonstrates outstanding precision, with relative standard deviation values consistently below 5.0%. As a showcase to validate the practicality of the SERS method, we conducted tests on determining Staphylococcus aureus in a herbal food supplement, i.e., Ginkgo Biloba extract (GBE); the results align closely with those obtained through the conventional lysogeny broth agar plate method, pointing to the potential applicability in real-world scenarios.
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Affiliation(s)
- Yi Tao
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, China.
| | - Qing Liu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, China
| | - Ningtao Cheng
- School of Public Health, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China.
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12
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Farias-Mancilla B, Balestri A, Zhang J, Frielinghaus H, Berti D, Montis C, Destarac M, Schubert US, Guerrero-Sanchez C, Harrisson S, Lonetti B. Morphology and thermal transitions of self-assembled NIPAM-DMA copolymers in aqueous media depend on copolymer composition profile. J Colloid Interface Sci 2024; 662:99-108. [PMID: 38340518 DOI: 10.1016/j.jcis.2024.02.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 01/18/2024] [Accepted: 02/04/2024] [Indexed: 02/12/2024]
Abstract
HYPOTHESIS There is a lack of understanding of the interplay between the copolymer composition profile and thermal transition observed in aqueous solutions of N-isopropyl acrylamide (NIPAM) copolymers, as well as the correlation between this transition and the formation and structure of copolymer self-assemblies. EXPERIMENTS For this purpose, we investigated the response of five copolymers with the same molar mass and chemical composition, but with different composition profile in aqueous solution against temperature. Using complementary analytical techniques, we probed structural properties at different length scales, from the molecular scale with Nuclear Magnetic Resonance (NMR) to the colloidal scale with Dynamic Light Scattering (DLS) and Small Angle Neutron Scattering (SANS). FINDINGS NMR and SANS investigations strengthen each other and allow a clear picture of the change of copolymer solubility and related copolymer self-assembly as a function of temperature. At the molecular scale, dehydrating NIPAM units drag N,N-dimethyl acrylamide (DMA) moieties with them in a gradual collapse of the copolymer chain; this induces a morphological transition of the self-assemblies from star-like nanostructures to crew-cut micelles. Interestingly, the transition spans a temperature range which depends on the monomer distribution profile in the copolymer chain, with the asymmetric triblock copolymer specimen revealing the broadest one. We show that the broad morphological transitions associated with gradient copolymers can be mimicked and even surpassed by the use of stepwise gradient (asymmetric) copolymers, which can be more easily and reproducibly synthesized than linear gradient copolymers.
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Affiliation(s)
- Barbara Farias-Mancilla
- Laboratoire Softmat, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France
| | - Arianna Balestri
- Department of Chemistry "Ugo Schiff", University of Florence and CSGI, Florence, Italy
| | - Junliang Zhang
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Jena, Germany; Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Jena, Germany
| | - Henrich Frielinghaus
- Forschungszentrum Jülich GmbH, Jülich Center for Neutron Science at Heinz Maier-Leibnitz Zentrum, Lichtenbergstrasse 1, 85747 Garching, Germany
| | - Debora Berti
- Department of Chemistry "Ugo Schiff", University of Florence and CSGI, Florence, Italy
| | - Costanza Montis
- Department of Chemistry "Ugo Schiff", University of Florence and CSGI, Florence, Italy
| | - Mathias Destarac
- Laboratoire Softmat, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France
| | - Ulrich S Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Jena, Germany; Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Jena, Germany
| | - Carlos Guerrero-Sanchez
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Jena, Germany; Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Jena, Germany.
| | - Simon Harrisson
- LCPO, CNRS/Bordeaux-INP/Université de Bordeaux, Pessac, France.
| | - Barbara Lonetti
- Laboratoire Softmat, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
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13
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Tan G, Hou G, Qian J, Wang Y, Xu W, Luo W, Chen X, Suo A. Hyaluronan-decorated copper-doxorubicin-anlotinib nanoconjugate for targeted synergistic chemo/chemodynamic/antiangiogenic tritherapy against hepatocellular carcinoma. J Colloid Interface Sci 2024; 662:857-869. [PMID: 38382370 DOI: 10.1016/j.jcis.2024.02.085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/24/2024] [Accepted: 02/09/2024] [Indexed: 02/23/2024]
Abstract
Copper-based nanomaterials show considerable potential in the chemodynamic therapy of cancers. However, their clinical application is restricted by low catalytic activity in tumor microenvironment and copper-induced tumor angiogenesis. Herein, a novel copper-doxorubicin-anlotinib (CDA) nanoconjugate was constructed by the combination of copper-hydrazide coordination, hydrazone linkage and Schiff base bond. The CDA nanoconjugate consists of a copper-3,3'-dithiobis(propionohydrazide)-doxorubicin core and an anlotinib-hyaluronan shell. Benefiting from hyaluronan camouflage and abundant disulfide bonds and Cu2+, the CDA nanoconjugate possessed excellent tumor-targeting and glutathione-depleting abilities and enhanced chemodynamic efficacy. Released doxorubicin significantly improved copper-mediated chemodynamic therapy by upregulating nicotinamide adenine dinucleotide phosphate oxidase 4 expression to increase intracellular H2O2 level. Furthermore, the nanoconjugate produced excessive •OH to induce lipid peroxidation and mitochondrial dysfunction, thus greatly elevating doxorubicin-mediated chemotherapy. Importantly, anlotinib effectively inhibited the angiogenic potential of copper ions. In a word, the CDA nanoconjugate is successfully constructed by combined coordination and pH-responsive linkages, and displays the great potential of copper-drug conjugate for targeted synergistic chemo/chemodynamic/antiangiogenic triple therapy against cancers.
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Affiliation(s)
- Gang Tan
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China
| | - Guanghui Hou
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China; Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Lab Carbon Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
| | - Junmin Qian
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China.
| | - Yaping Wang
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China
| | - Weijun Xu
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China
| | - Wenjuan Luo
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Xiaobing Chen
- Department of Oncology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - Aili Suo
- Department of Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China.
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14
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Kamada H, Hata Y, Sugiura K, Sawada T, Serizawa T. Interfacial jamming of surface-alkylated synthetic nanocelluloses for structuring liquids. Carbohydr Polym 2024; 331:121896. [PMID: 38388029 DOI: 10.1016/j.carbpol.2024.121896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/17/2024] [Accepted: 01/30/2024] [Indexed: 02/24/2024]
Abstract
Nanocelluloses derived from natural cellulose sources are promising sustainable nanomaterials. Previous studies have reported that nanocelluloses are strongly adsorbed onto liquid-liquid interfaces with the concurrent use of ligands and allow for the structuring of liquids, that is, the kinetic trapping of nonequilibrium shapes of liquids. However, the structuring of liquids using nanocelluloses alone has yet to be demonstrated, despite its great potential in the development of sustainable liquid-based materials that are biocompatible and environmentally friendly. Herein, we demonstrated the structuring of liquids using rectangular sheet-shaped synthetic nanocelluloses with surface alkyl groups. Synthetic nanocelluloses with ethyl, butyl, and hexyl groups on their surfaces were readily prepared following our previous reports via the self-assembly of enzymatically synthesized cello-oligosaccharides having the corresponding alkyl groups. Among the alkylated synthetic nanocelluloses, the hexylated nanocellulose was adsorbed and jammed at water-n-undecane interfaces to form interfacial assemblies, which acted substantially as an integrated film for structuring liquids. These phenomena were attributed to the unique structural characteristics of the surface-hexylated synthetic nanocelluloses; their sheet shape offered a large area for adsorption onto interfaces, and their controlled surface hydrophilicity/hydrophobicity enhanced the affinity for both liquid phases. Our findings promote the development of all-liquid devices using nanocelluloses.
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Affiliation(s)
- Hirotaka Kamada
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Yuuki Hata
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Kai Sugiura
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Toshiki Sawada
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Takeshi Serizawa
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan.
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15
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Shaham-Niv S, Ezra A, Zaguri D, Shotan SR, Haimov E, Engel H, Brider T, Simhaev L, Barr HM, Adler-Abramovich L, Gazit E. Targeting phenylalanine assemblies as a prospective disease-modifying therapy for phenylketonuria. Biophys Chem 2024; 308:107215. [PMID: 38432113 DOI: 10.1016/j.bpc.2024.107215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/16/2024] [Accepted: 02/25/2024] [Indexed: 03/05/2024]
Abstract
Phenylketonuria is characterized by the accumulation of phenylalanine, resulting in severe cognitive and neurological disorders if not treated by a remarkably strict diet. There are two approved drugs today, yet both provide only a partial solution. We have previously demonstrated the formation of amyloid-like toxic assemblies by aggregation of phenylalanine, suggesting a new therapeutic target to be further pursued. Moreover, we showed that compounds that halt the formation of these assemblies also prevent their resulting toxicity. Here, we performed high-throughput screening, searching for compounds with inhibitory effects on phenylalanine aggregation. Morin hydrate, one of the most promising hits revealed during the screen, was chosen to be tested in vivo using a phenylketonuria mouse model. Morin hydrate significantly improved cognitive and motor function with a reduction in the number of phenylalanine brain deposits. Moreover, while phenylalanine levels remained high, we observed a recovery in dopaminergic, adrenergic, and neuronal markers. To conclude, the ability of Morin hydrate to halt phenylalanine aggregation without reducing phenylalanine levels implies the toxic role of the phenylalanine assemblies in phenylketonuria and opens new avenues for disease-modifying treatment.
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Affiliation(s)
- Shira Shaham-Niv
- The Shmunis School of Biomedicine and Cancer Research, Tel Aviv University, Tel Aviv 6997801, Israel; BLAVATNIK CENTER for Drug Discovery, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Assaf Ezra
- The Shmunis School of Biomedicine and Cancer Research, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Dor Zaguri
- The Shmunis School of Biomedicine and Cancer Research, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Stav Roni Shotan
- The Shmunis School of Biomedicine and Cancer Research, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Elvira Haimov
- BLAVATNIK CENTER for Drug Discovery, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Hamutal Engel
- BLAVATNIK CENTER for Drug Discovery, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Tamara Brider
- BLAVATNIK CENTER for Drug Discovery, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Luba Simhaev
- BLAVATNIK CENTER for Drug Discovery, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Haim Michael Barr
- Nancy and Stephen Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Lihi Adler-Abramovich
- Department of Oral Biology, The Goldschleger School of Dental Medicine, Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Ehud Gazit
- The Shmunis School of Biomedicine and Cancer Research, Tel Aviv University, Tel Aviv 6997801, Israel; BLAVATNIK CENTER for Drug Discovery, Tel Aviv University, Tel Aviv 6997801, Israel.
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16
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Pazzi J, Subramaniam AB. Dynamics of giant vesicle assembly from thin lipid films. J Colloid Interface Sci 2024; 661:1033-1045. [PMID: 38335788 DOI: 10.1016/j.jcis.2024.02.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 01/28/2024] [Accepted: 02/02/2024] [Indexed: 02/12/2024]
Abstract
MOTIVATION Giant unilamellar vesicles (GUVs), cell-like synthetic micrometer size structures, assemble when thin lipid films are hydrated in aqueous solutions. Quantitative measurements of static yields and distribution of sizes of GUVs obtained from thin film hydration methods were recently reported. Dynamic data such as the time evolution of yields and distribution of sizes, however, is not known. Dynamic data can provide insights into the assembly pathway of GUVs and guidelines for choosing conditions to obtain populations with desired size distributions. APPROACH We develop the 'stopped-time' technique to characterize the time evolution of the distribution of sizes and molar yields of populations of free-floating GUVs. We additionally capture high resolution time-lapse images of surface-attached GUV buds on the lipid films. We systematically study the dynamics of assembly of GUVs from three widely used thin film hydration methods, PAPYRUS (Paper-Abetted amPhiphile hYdRation in aqUeous Solutions), gentle hydration, and electroformation. FINDINGS We find that the molar yield versus time curves of GUVs demonstrate a characteristic sigmoidal shape, with an initial yield, a transient, and then a steady state plateau for all three methods. The population of GUVs showed a right-skewed distribution of diameters. The variance of the distributions increased with time. The systems reached steady state within 120 min. We rationalize the dynamics using the thermodynamically motivated budding and merging (BNM) model. These results further the understanding of lipid dynamics and provide for the first-time practical parameters to tailor the production of GUVs of specific sizes for applications.
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Affiliation(s)
- Joseph Pazzi
- Department of Bioengineering, University of California, Merced, CA 95343, United States
| | - Anand Bala Subramaniam
- Department of Bioengineering, University of California, Merced, CA 95343, United States.
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17
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Kuang Y, Li Z, Chen H, Wang X, Wen Y, Chen J. Advances in self-assembled nanotechnology in tumor therapy. Colloids Surf B Biointerfaces 2024; 237:113838. [PMID: 38484445 DOI: 10.1016/j.colsurfb.2024.113838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 02/28/2024] [Accepted: 03/08/2024] [Indexed: 04/08/2024]
Abstract
The emergence of nanotechnology has opened up a new way for tumor therapy. Among them, self-assembled nanotechnology has received extensive attention in medicine due to its simple preparation process, high drug-loading capacity, low toxicity, and low cost. This review mainly summarizes the preparation methods of self-assembled nano-delivery systems, as well as the self-assembled mechanism of carrier-free nanomedicine, polymer-carried nanomedicine, polypeptide, and metal drugs, and their applications in tumor therapy. In addition, we discuss the advantages and disadvantages, future challenges, and opportunities of these self-assembled nanomedicines, which provide important references for the development and application of self-assembled nanotechnology in the field of medical therapy.
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Affiliation(s)
- Yanting Kuang
- Inner Mongolia Medical University, No. 5, Xinhua Road, Hohhot, Inner Mongolia 010059, China
| | - Zhaokai Li
- Inner Mongolia Medical University, No. 5, Xinhua Road, Hohhot, Inner Mongolia 010059, China
| | - Hang Chen
- Shanghai Wei Er Lab, Shanghai 201707, China
| | - Xinyu Wang
- Shanghai Wei Er Lab, Shanghai 201707, China
| | - Yan Wen
- Department of Pharmacy, Changzheng Hospital, Naval Medical University, No.415, Fengyang Road, Shanghai 200003, China.
| | - Jianming Chen
- Inner Mongolia Medical University, No. 5, Xinhua Road, Hohhot, Inner Mongolia 010059, China; Shanghai Wei Er Lab, Shanghai 201707, China.
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18
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Ye J, Wei P, Qi Y, Xie Y, Yalikun N, Wang Q, Huang X. The cellulose nanocrystal jammed interfaces induced by CO 2-assisted self-assembly for enhancing oil recovery. Carbohydr Polym 2024; 331:121853. [PMID: 38388035 DOI: 10.1016/j.carbpol.2024.121853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/08/2024] [Accepted: 01/19/2024] [Indexed: 02/24/2024]
Abstract
Stability of displacement front is of great importance in the immiscible fluid displacement for enhancing oil recovery. Here, a CO2-strenghened assembly approach is demonstrated for the fabrication of highly jammed CNSs (cellulose nanocrystal surfactants) with EPD (N'-ethylpropane-1,3-diamine) and TOCNC (TEMPO oxidized cellulose nanocrystal), which produce a structured film at the oil-water interface to counteract the capillary force, and thus governing the local displacing pattern. In this approach, EPD molecules can be deeply protonated in the presence of CO2, favoring their binding forces with TOCNC at the interface to produce more CNSs. Meanwhile, the strong intermolecular attractions among CO2-bearing CNSs promote to form a striped interfacial film with both the close-packed rod-like arrays in horizontal and the multi-layer in lateral. Further, the CNSs-based film confers with a high strength and elasticity can reduce the capillary force by 87 % in micro-channels, yielding a smooth water-to-oil displacement front, which markedly enhances the oil recovery by 20.6 % compared to the surfactant-only flooding. This self-assembly strategy has a great implication in eco-friendly and cost-effective applications, such as enhanced oil recovery, CO2 geo-sequestration, and water infiltration.
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Affiliation(s)
- Jun Ye
- MOE Key Laboratory of Oil and Gas Fine Chemicals, College of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, China
| | - Peng Wei
- MOE Key Laboratory of Oil and Gas Fine Chemicals, College of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, China.
| | - Ying Qi
- MOE Key Laboratory of Oil and Gas Fine Chemicals, College of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, China
| | - Yahong Xie
- MOE Key Laboratory of Oil and Gas Fine Chemicals, College of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, China
| | - Nuerbiya Yalikun
- MOE Key Laboratory of Oil and Gas Fine Chemicals, College of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, China
| | - Qiang Wang
- MOE Key Laboratory of Oil and Gas Fine Chemicals, College of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, China
| | - Xueli Huang
- MOE Key Laboratory of Oil and Gas Fine Chemicals, College of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, China
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Fernández Z, Sánchez L, Santhosh Babu S, Fernández G. Oligo(phenyleneethynylene)s: Shape-Tunable Building Blocks for Supramolecular Self-Assembly. Angew Chem Int Ed Engl 2024; 63:e202402259. [PMID: 38421233 DOI: 10.1002/anie.202402259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/28/2024] [Accepted: 02/29/2024] [Indexed: 03/02/2024]
Abstract
Oligo(phenyleneethynylene)s (OPEs) have attracted widespread attention due to their remarkable (opto)electronic and photophysical properties, which have enabled numerous applications. The versatile functionalization possibilities of OPEs make them unique candidates to form various shape-persistent geometries, including linear, triangular, rectangular, hexagonal and macrocyclic. However, as a result of this structural variety, it is oftentimes challenging to correlate molecular design with self-assembly properties. In this minireview, we have classified OPEs based on their molecular shapes and correlated them with their self-assembly behavior in solution. Particularly, we provide important insights into the aggregation propensity of the different molecular shapes and how to tune the association strength using various non-covalent interactions. Our classification will enable a better understanding of the structure-property correlation in OPEs, which is key to develop supramolecular functional materials.
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Affiliation(s)
- Zulema Fernández
- Universität Münster, Organisch-Chemisches Institut, Corrensstraße 36, 48149, Münster, Germany
| | - Luis Sánchez
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain
| | - Sukumaran Santhosh Babu
- Universität Münster, Organisch-Chemisches Institut, Corrensstraße 36, 48149, Münster, Germany
- CSIR, National Chemical Laboratory, Dr. Homi Bhabha Road, 411008, Pune, India
| | - Gustavo Fernández
- Universität Münster, Organisch-Chemisches Institut, Corrensstraße 36, 48149, Münster, Germany
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20
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Bokotial D, Acharyya K, Chowdhury A, Mukherjee PS. Pt(II)/Pd(II)-Based Metallosupramolecular Architectures as Light Harvesting Systems and their Applications. Angew Chem Int Ed Engl 2024; 63:e202401136. [PMID: 38379203 DOI: 10.1002/anie.202401136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 02/15/2024] [Accepted: 02/19/2024] [Indexed: 02/22/2024]
Abstract
The development of artificial light-harvesting systems mimicking the natural photosynthesis method is an ever-growing field of research. Numerous systems such as polymers, metal complexes, POFs, COFs, supramolecular frameworks etc. have been fabricated to accomplish more efficient energy transfer and storage. Among them, the supramolecular coordination complexes (SCCs) formed by non-covalent metal-ligand interaction, have shown the capacity to not only undergo single and multistep energy migration but also to utilize the harvested energy for a wide variety of applications such as photocatalysis, tunable emissive systems, encrypted anti-counterfeiting materials, white light emitters etc. This review sheds light on the light-harvesting behavior of both the 2D metallacycles and 3D metallacages where design ingenuity has been executed to afford energy harvesting by both donor ligands as well as metal acceptors.
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Affiliation(s)
- Dikshit Bokotial
- Department of Industrial Chemistry, Mizoram University, Aizawl, 796004, Mizoram, India
| | - Koushik Acharyya
- Department of Inorganic and Physical Chemistry, Indian Institution of Science, Bangalore, 560012, Karnataka
| | - Aniket Chowdhury
- Department of Industrial Chemistry, Mizoram University, Aizawl, 796004, Mizoram, India
| | - Partha Sarathi Mukherjee
- Department of Inorganic and Physical Chemistry, Indian Institution of Science, Bangalore, 560012, Karnataka
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21
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Yang J, Yang Z, Wang H, Chang Y, Xu JF, Zhang X. A Polymeric Nanoparticle to Co-Deliver Mitochondria-Targeting Peptides and Pt(IV) Prodrug: Toward High Loading Efficiency and Combination Efficacy. Angew Chem Int Ed Engl 2024; 63:e202402291. [PMID: 38380542 DOI: 10.1002/anie.202402291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 02/22/2024]
Abstract
Developing combination chemotherapy systems with high drug loading efficiency at predetermined drug ratios to achieve a synergistic effect is important for cancer therapy. Herein, a polymeric dual-drug nanoparticle composed of a Pt(IV) prodrug derived from oxaliplatin and a mitochondria-targeting cytotoxic peptide is constructed through emulsion interfacial polymerization, which processes high drug loading efficiency and high biocompatibility. The depolymerization of polymeric dual-drug nanoparticle and the activation of Pt prodrug can be effectively triggered by the acidic tumor environment extracellularly and the high levels of glutathione intracellularly in cancer cells, respectively. The utilization of mitochondria-targeting peptide can inhibit ATP-dependent processes including drug efflux and DNA damage repair. This leads to increased accumulation of Pt-drugs within cancer cells. Eventually, the polymeric dual-drug nanoparticle demonstrates appreciable antitumor effects on both cell line derived and patient derived xenograft lung cancer model. It is highly anticipated that the polymeric dual-or multi-drug systems can be applied for combination chemotherapy to achieve enhanced anticancer activity and reduced side effects.
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Affiliation(s)
- Jinpeng Yang
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Zhenlin Yang
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Hua Wang
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Yincheng Chang
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Jiang-Fei Xu
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Xi Zhang
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
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22
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Carlsson A, Axell E, Emanuelsson C, Olsson U, Linse S. The Ability of DNAJB6b to Suppress Amyloid Formation Depends on the Chaperone Aggregation State. ACS Chem Neurosci 2024. [PMID: 38640082 DOI: 10.1021/acschemneuro.4c00120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/21/2024] Open
Abstract
For many chaperones, a propensity to self-assemble correlates with function. The highly efficient amyloid suppressing chaperone DNAJB6b has been reported to oligomerize. A key question is whether the DNAJB6b self-assemblies or their subunits are active units in the suppression of amyloid formation. Here, we address this question using a nonmodified chaperone. We use the well-established aggregation kinetics of the amyloid β 42 peptide (Aβ42) as a readout of the amyloid suppression efficiency. The experimental setup relies on the slow dissociation of DNAJB6b assemblies upon dilution. We find that the dissociation of the chaperone assemblies correlates with its ability to suppress fibril formation. Thus, the data show that the subunits of DNAJB6b assemblies rather than the large oligomers are the active forms in amyloid suppression. Our results provide insights into how DNAJB6b operates as a chaperone and illustrate the importance of established assembly equilibria and dissociation rates for the design of kinetic experiments.
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Affiliation(s)
- Andreas Carlsson
- Lund University, Biochemistry and Structural Biology, Lund, Naturvetarvägen 16, 223 62, Sweden
| | - Emil Axell
- Lund University, Biochemistry and Structural Biology, Lund, Naturvetarvägen 16, 223 62, Sweden
| | - Cecilia Emanuelsson
- Lund University, Biochemistry and Structural Biology, Lund, Naturvetarvägen 16, 223 62, Sweden
| | - Ulf Olsson
- Lund University, Physical Chemistry, Lund, Naturvetarvägen 16, 223 62, Sweden
| | - Sara Linse
- Lund University, Biochemistry and Structural Biology, Lund, Naturvetarvägen 16, 223 62, Sweden
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23
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Hu G, Li J, Wang Z, Yang W, Hu Y. PCL/Yam Polysaccharide nanofibrous membranes loaded with self-assembled HP-β-CD/ECG inclusion complexes for food packaging. Food Chem 2024; 438:138031. [PMID: 37995588 DOI: 10.1016/j.foodchem.2023.138031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/01/2023] [Accepted: 11/15/2023] [Indexed: 11/25/2023]
Abstract
In this study, Polycaprolactone (PCL)/Yam Polysaccharide (YP) fiber membranes loaded the ultrasound-mediated assembly of 2-Hydroxypropyl-β-cyclodextrin (HP-β-CD)/Epicatechin gallate (ECG) inclusion complexes were prepared by electrospinning technology for food packaging. Morphology, infrared spectroscopy and X-ray diffraction results showed that the inclusion complexes were successfully assembled. With the addition of inclusion complexes, the average diameter of the fibers increased from 2480.96 to 10179.12 nm, the crystallinity decreased, the thermal stability improved, the hydrophilicity enhanced, and the water vapor permeability enhanced. Meanwhile, thermogravimetry and differential scanning calorimetry results showed that the inclusion complexes formed hydrogen bonds between the fibers, which improved the thermal stability, but the mechanical behavior suffered a certain loss. In addition, the fiber membrane could continuously release ECG within 240 h, which showed excellent antibacterial effects both in vitro and in vivo. These results indicated that the fiber film developed based on electrospinning had a broad application prospect in food packaging.
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Affiliation(s)
- Guoxing Hu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, China
| | - Jixiang Li
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, China
| | - Ziteng Wang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, China
| | - Wenge Yang
- School of Pharmaceutical Sciences, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, China.
| | - Yonghong Hu
- College of Food Science and Light Industry, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, China
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24
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Li H, Zhang P, Yuan X, Peng S, Yang X, Li Y, Shen Z, Bai J. Targeted drug-loaded peptides induce tumor cell apoptosis and immunomodulation to increase antitumor efficacy. Biomater Adv 2024; 160:213852. [PMID: 38636118 DOI: 10.1016/j.bioadv.2024.213852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 03/18/2024] [Accepted: 04/07/2024] [Indexed: 04/20/2024]
Abstract
Immunotherapy is an emerging approach for the treatment of solid tumors. Although chemotherapy is generally considered immunosuppressive, specific chemotherapeutic agents can induce tumor immunity. In this study, we developed a targeted, acid-sensitive peptide nanoparticle (DT/Pep1) to deliver doxorubicin (DOX) and triptolide (TPL) to breast cancer cells via the enhanced permeability and retention (EPR) effect and the breast cancer-targeting effect of peptide D8. Compared with administration of the free drugs, treatment with the DT/Pep1 system increased the accumulation of DOX and TPL at the tumor site and achieved deeper penetration into the tumor tissue. In an acidic environment, DT/Pep1 transformed from spherical nanoparticles to aggregates with a high aspect ratio, which successfully extended the retention of the drugs in the tumor cells and bolstered the anticancer effect. In both in vivo and in vitro experiments, DT/Pep1 effectively blocked the cell cycle and induced apoptosis. Importantly, the DT/Pep1 system efficiently suppressed tumor development in mice bearing 4T1 tumors while simultaneously promoting immune system activation. Thus, the results of this study provide a system for breast cancer therapy and offer a novel and promising platform for peptide nanocarrier-based drug delivery.
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Affiliation(s)
- Hongjie Li
- School of Medical Sciences, Affiliated Hospital of Shandong Second Medical University, Shandong Second Medical University, Weifang 261053, China
| | - Peirong Zhang
- School of Medical Sciences, Affiliated Hospital of Shandong Second Medical University, Shandong Second Medical University, Weifang 261053, China
| | - Xiaomeng Yuan
- School of Bioscience and Technology, Shandong Second Medical University, Weifang 261053, China
| | - Shan Peng
- School of Stomatology, Shandong Second Medical University, Weifang 261053, China
| | - Xingyue Yang
- School of Bioscience and Technology, Shandong Second Medical University, Weifang 261053, China
| | - Yuxia Li
- School of Medical Sciences, Affiliated Hospital of Shandong Second Medical University, Shandong Second Medical University, Weifang 261053, China
| | - Zhen Shen
- Clinical laboratory, Affiliated Hospital of Shandong Second Medical University, Weifang 261053, China
| | - Jingkun Bai
- School of Bioscience and Technology, Shandong Second Medical University, Weifang 261053, China.
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25
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Yan S, Yan X, Li Y, Qi B. Comparison of pH-induced protein-polyphenol self-assembly methods: Binding mechanism, structure, and functional characteristics. Food Chem 2024; 438:137996. [PMID: 37979260 DOI: 10.1016/j.foodchem.2023.137996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 11/06/2023] [Accepted: 11/12/2023] [Indexed: 11/20/2023]
Abstract
Herein, we used pH-shifted and pH-driven methods to assemble kidney-bean protein isolate (KPI) and luteolin (Lut) into a nanocomplex and subsequently investigated their binding mechanism, structure, and functional properties. Results showed that the nanocomplex prepared by the pH-driven method exhibited a better encapsulation effect and controlled release of Lut. Fluorescence spectroscopy and molecular docking analysis showed that the binding affinities under alkaline conditions were higher than those under acidic and neutral conditions. Various spectral techniques were used to determine the structural changes in the KPI-Lut nanocomplex, including the transformation of α-helices and β-sheets and alteration of specific amino acid microenvironments, which were more pronounced in the pH-driven nanocomplex. The structural changes in the nanocomplex further affected their surface hydrophobicity and thermal stability. Additionally, the combination of KPI and Lut significantly improved the antioxidant activity and α-glucosidase inhibitory ability of the resultant nanocomplexes, particularly the one prepared by the pH-driven method.
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Affiliation(s)
- Shizhang Yan
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Xinyue Yan
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Yang Li
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Baokun Qi
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
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26
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Su D, Luo X, Chen J, Lu N, Zhao J, Wan Y, Gao Y, Liu Q, Luo Z. Construction of a three-dimensional inflammation model of human bronchial epithelial cells BEAS-2B by using the self-assembling D-form peptide Sciobio-Ⅲ. Biochem Biophys Res Commun 2024; 704:149701. [PMID: 38408415 DOI: 10.1016/j.bbrc.2024.149701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/13/2024] [Accepted: 02/20/2024] [Indexed: 02/28/2024]
Abstract
Human bronchial epithelial cells in the airway system, as the primary barrier between humans and the surrounding environment, assume a crucial function in orchestrating the processes of airway inflammation. Target to develop a new three-dimensional (3D) inflammatory model to airway system, and here we report a strategy by using self-assembling D-form peptide to cover the process. By testing physicochemical properties and biocompatibility of Sciobio-Ⅲ, we confirmed that it can rapidly self-assembles under the trigger of ions to form a 3D nanonetwork-like scaffold, which supports 3D cell culture including the cell strains like BEAS-2B cells. Subsequently, inflammation model was established by lipopolysaccharide (LPS), the expression of some markers of tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6), and interleukin-8 (IL-8), the levels of relevant inflammatory factors were measured by RT-qPCR and the secretion profile of inflammatory cytokines by ELISA, are obtained the quite difference effects in 2D and 3D microenvironment, which suggested Sciobio-Ⅲ hydrogel is an ideal scaffold that create the microenvironment for 3D cell culture. Here we are success to establish a 3D inflammation model for airway system. This innovative model allows for rapid and accurate evaluation of drug metabolism and toxicological side effects, hope to use in drug screening for airway inflammatory diseases and beyond.
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Affiliation(s)
- Di Su
- College of Basic Medical Sciences, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing, 400016, China
| | - Xinyi Luo
- College of Basic Medical Sciences, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing, 400016, China; Department of Materials Science and Engineering, University of California, Irvine, CA, 92697, USA
| | - Jialei Chen
- College of Basic Medical Sciences, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing, 400016, China
| | - Na Lu
- College of Basic Medical Sciences, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing, 400016, China
| | - Jiawei Zhao
- College of Basic Medical Sciences, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing, 400016, China
| | - Yuan Wan
- College of Basic Medical Sciences, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing, 400016, China; Roy J. Carver Department of Biomedical Engineering, College of Engineering, University of Iowa, IA, 52242, USA
| | - Yu Gao
- College of Basic Medical Sciences, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing, 400016, China
| | - Qichen Liu
- College of Basic Medical Sciences, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing, 400016, China
| | - Zhongli Luo
- College of Basic Medical Sciences, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing, 400016, China.
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27
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Fang C, Kanemaru K, Carvalho WSP, Fruehauf KR, Zhang S, Das PP, Xu C, Lu Y, Rajagopalan N, Kulka M, Makeiff DA, Serpe MJ. Self-assembled poloxamer-legumin/vicilin nanoparticles for the nanoencapsulation and controlled release of folic acid. Int J Biol Macromol 2024:131646. [PMID: 38636765 DOI: 10.1016/j.ijbiomac.2024.131646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 04/12/2024] [Accepted: 04/14/2024] [Indexed: 04/20/2024]
Abstract
Plant-based food proteins are a promising choice for the preparation of nanoparticles (NPs) due to their high digestibility, low cost, and ability to interact with various compounds and nutrients. Moreover, nanoencapsulation offers a potential solution for protecting nutrients during processing and enhancing their bioavailability. This study aimed to develop and evaluate nanoparticles (NPs) based on legumin/vicilin (LV) proteins extracted from fava beans, with the goal of encapsulating and delivering a model nutraceutical compound, folic acid (FA). Specifically, NPs were self-assembled from LV proteins extracted from commercially available frozen fava beans using a pH-coacervation method with poloxamer 188 (P188) and chemically cross-linked with glutaraldehyde. Microscopy and spectroscopy studies were carried out on the empty and FA-loaded NPs in order to evaluate the particle morphology, size, size distribution, composition, mechanism of formation, impact of FA loading and release behavior. In vitro studies with Caco-2 cells also confirmed that the empty and FA-loaded nanoparticles were non-toxic. Thus, the LV-NPs are good candidates as food additives for the delivery and stabilization of nutrients as well as in drug delivery for the controlled release of therapeutics.
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Affiliation(s)
- Changhao Fang
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - Karen Kanemaru
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | | | - Krista R Fruehauf
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - Sunshine Zhang
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - Prem P Das
- Aquatic and Crop Resource Development Research Centre, National Research Council Canada, 110 Gymnasium Pl, Saskatoon, SK S7N 0W9, Canada
| | - Caishuang Xu
- Aquatic and Crop Resource Development Research Centre, National Research Council Canada, 110 Gymnasium Pl, Saskatoon, SK S7N 0W9, Canada
| | - Yuping Lu
- Aquatic and Crop Resource Development Research Centre, National Research Council Canada, 110 Gymnasium Pl, Saskatoon, SK S7N 0W9, Canada
| | - Nandhakishore Rajagopalan
- Aquatic and Crop Resource Development Research Centre, National Research Council Canada, 110 Gymnasium Pl, Saskatoon, SK S7N 0W9, Canada; Department of Chemical and Biological Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, SK S7N 5A9, Canada
| | - Marianna Kulka
- Nanotechnology Research Centre, National Research Council Canada, 11421 Saskatchewan Dr NW, Edmonton, AB T6G 2M9, Canada; Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - Darren A Makeiff
- Nanotechnology Research Centre, National Research Council Canada, 11421 Saskatchewan Dr NW, Edmonton, AB T6G 2M9, Canada.
| | - Michael J Serpe
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada.
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28
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Ye Y, Hong Y, Liang Q, Wang Y, Wang P, Luo J, Yin A, Ren Z, Liu H, Qi X, He S, Yu S, Wei J. Bioinspired electrically stable, optically tunable thermal management electronic skin via interfacial self-assembly. J Colloid Interface Sci 2024; 660:608-616. [PMID: 38266342 DOI: 10.1016/j.jcis.2024.01.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/27/2023] [Accepted: 01/06/2024] [Indexed: 01/26/2024]
Abstract
The skin is the largest organ in the human body and serves vital functions such as sensation, thermal management, and protection. While electronic skin (E-skin) has made significant progress in sensory functions, achieving adaptive thermal management akin to human skin has remained a challenge. Drawing inspiration from squid skin, we have developed a hybrid electronic-photonic skin (hEP-skin) using an elastomer semi-embedded with aligned silver nanowires through interfacial self-assembly. With mechanically adjustable optical properties, the hEP-skin demonstrates adaptive thermal management abilities, warming in the range of +3.5°C for heat preservation and cooling in the range of -4.2°C for passive cooling. Furthermore, it exhibits an ultra-stable high electrical conductivity of ∼4.5×104 S/cm, even under stretching, bending or torsional deformations over 10,000 cycles. As a proof of demonstration, the hEP-skin successfully integrates stretchable light-emitting electronic skin with adaptive thermal management photonic skin.
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Affiliation(s)
- Yang Ye
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Yang Hong
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Qimin Liang
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Yuxin Wang
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Peike Wang
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Jingjing Luo
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Ao Yin
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Zhongqi Ren
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Haipeng Liu
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Xue Qi
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Sisi He
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China.
| | - Suzhu Yu
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China.
| | - Jun Wei
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China.
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29
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Wang S, Cheng X, Ma T, Wang S, Yang S, Zhu W, Song J, Han J, Jin Y, Guo J. High-substituted hydroxypropyl cellulose prepared by homogeneous method and its clouding and self-assembly behaviors. Carbohydr Polym 2024; 330:121822. [PMID: 38368103 DOI: 10.1016/j.carbpol.2024.121822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/09/2024] [Accepted: 01/11/2024] [Indexed: 02/19/2024]
Abstract
Hydroxypropyl cellulose (HPC) is a sustainable cellulose derivative valued for its excellent biocompatibility and solubility and is widely used in various fields. Recent scientific research on high-substituted HPC mainly focused on its efficient preparation and phase transition behavior. Herein, a novel strategy of high-substituted HPC synthesis was demonstrated by employing DMSO/TBAF·3H2O as a cellulose solvent, exhibiting more efficiency than traditional approaches. High-substituted HPC prepared has remarkable thermal stability, exceptional hydrophilicity, and satisfactory solubility. Phase transition behavior of HPC with varying molar degrees of substitution (MS) was delved and a notable negative correlation between MS and cloud point temperature (TCP), was revealed, particularly evident at an MS of 12.3, where the TCP drops to 33 °C. Moreover, a unique self-assembly behavior featuring structural color and responsiveness to force in a solvent-free environment emerged when the MS exceeded 10.4. These insights comprehensively strengthen the understanding and knowledge of high-substituted HPC, simultaneously paving the way for further HPC investigation and exploitation.
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Affiliation(s)
- Shihao Wang
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Xiaoyu Cheng
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Tao Ma
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Shasha Wang
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Shilong Yang
- Advanced Analysis and Testing Center, Nanjing Forestry University, Nanjing, 210037, China
| | - Wenyuan Zhu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Junlong Song
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Jingquan Han
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China; College of Material Science and Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Yongcan Jin
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Jiaqi Guo
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
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30
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Feng X, Ma Q, Liu J, Li R, Yang Y, Zhang W, Liu J. Acetic acid-driven synthesis of environmentally stable MAPb 0.5Sn 0.5Br 3 nano-assembly for anti-counterfeiting. J Colloid Interface Sci 2024; 660:449-457. [PMID: 38244510 DOI: 10.1016/j.jcis.2024.01.113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 12/29/2023] [Accepted: 01/16/2024] [Indexed: 01/22/2024]
Abstract
In mixed Sn-Pb perovskites, the synergistic properties of tin (Sn) and lead (Pb) are leveraged, effectively combining the merits of Pb-based perovskites while simultaneously reducing Pb-associated toxicity. However, the propensity for Sn to undergo facile oxidation from Sn2+ to Sn4+ poses a significant challenge to the stability of these mixed perovskites, limiting their advancement. This study proposes an innovative acetic acid (HAc)-driven synthesis approach to obtain a stable chain-like MAPb0.5Sn0.5Br3 nano-assembly. Leveraging the acidic properties of HAc serves a dual purpose. Primarily, it curtails the oxidation of Sn2+ to Sn4+. Secondly, it orchestrates nanocrystals (NCs) into a more uniform and ordered chain-like assembly, a consequence of hydrogen bonding and coordination interactions facilitated by the HAc. Additionally, HAc demonstrates its capability to passivate MAPb0.5Sn0.5Br3 surface through coordination bonding with unsaturated sites (i.e., Sn2+ or Pb2+), thus effectively compensating for bromide vacancies. Introducing HAc during the synthesis process yields perovskite NCs with enhanced thermal resilience, optical and water stability. Drawing upon the different stimulus responses of synthesized perovskite NCs when exposed to external environment, the optical anti-counterfeiting labels are prepared. The findings provide a potent strategy for augmenting the stability of perovskite NCs, suggesting their potential applicability in anti-counterfeiting endeavors.
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Affiliation(s)
- Xiaoxia Feng
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou 730070, PR China.
| | - Qian Ma
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou 730070, PR China
| | - Jinli Liu
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou 730070, PR China
| | - Ruicong Li
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou 730070, PR China
| | - Yixin Yang
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou 730070, PR China
| | - Wenyuan Zhang
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou 730070, PR China
| | - Jiacheng Liu
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province College of Chemistry and Chemical Engineering Northwest Normal University Lanzhou 730070, PR China
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Zhang X, Liu L, Jiao X, Su K, Cheng W, Xu B. Insight into the structural characteristics of self-assembled liposome with epigallocatechin gallate/alcohol dehydrogenase. Colloids Surf B Biointerfaces 2024; 238:113917. [PMID: 38615391 DOI: 10.1016/j.colsurfb.2024.113917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 03/27/2024] [Accepted: 04/11/2024] [Indexed: 04/16/2024]
Abstract
In this study, the encapsulation and structural characteristics of the self-assembled liposome formed by epigallocatechin gallate (EGCG) and alcohol dehydrogenase (ADH) were studied. According to the results, EGCG significantly increased the catalytic activity of ADH with a 33.33 % activation rate and the liposomes were able to entrap EGCG-ADH with an effectiveness of 88.94 %. The self-assembled monolayers had nanometer-sized particles, and the excellent self-assembled system was demonstrated by the low PDI value and high surface absolute potential. The scanning electron microscope showed that the self-assembled liposome was honeycomb, groove-shaped, and rough. The spectroscopic results showed that EGCG-ADH complex was formed through hydrogen bond, which changed the secondary structure of the liposome, and verified EGCG-ADH liposome system was successfully prepared. In vitro digestion experiments showed that the gastrointestinal tolerance and antioxidant activity of EGCG-ADH liposomes were significantly higher than those of free EGCG-ADH.
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Affiliation(s)
- Xiaodan Zhang
- College of Food and Bioengineering, National Experimental Teaching Demonstration Center for Food Processing and Security, Henan Engineering Technology Research Center of Food Raw Materials, International Joint Laboratory of Food Processing and Quality Safety Control of Henan Province, Henan Engineering Technology Research Center of Food Microbiology, Henan University of Science and Technology, Luoyang 471023, PR China
| | - Lili Liu
- College of Food and Bioengineering, National Experimental Teaching Demonstration Center for Food Processing and Security, Henan Engineering Technology Research Center of Food Raw Materials, International Joint Laboratory of Food Processing and Quality Safety Control of Henan Province, Henan Engineering Technology Research Center of Food Microbiology, Henan University of Science and Technology, Luoyang 471023, PR China.
| | - Xueyuan Jiao
- College of Food and Bioengineering, National Experimental Teaching Demonstration Center for Food Processing and Security, Henan Engineering Technology Research Center of Food Raw Materials, International Joint Laboratory of Food Processing and Quality Safety Control of Henan Province, Henan Engineering Technology Research Center of Food Microbiology, Henan University of Science and Technology, Luoyang 471023, PR China
| | - Kenan Su
- College of Food and Bioengineering, National Experimental Teaching Demonstration Center for Food Processing and Security, Henan Engineering Technology Research Center of Food Raw Materials, International Joint Laboratory of Food Processing and Quality Safety Control of Henan Province, Henan Engineering Technology Research Center of Food Microbiology, Henan University of Science and Technology, Luoyang 471023, PR China
| | - Weiwei Cheng
- College of Food and Bioengineering, National Experimental Teaching Demonstration Center for Food Processing and Security, Henan Engineering Technology Research Center of Food Raw Materials, International Joint Laboratory of Food Processing and Quality Safety Control of Henan Province, Henan Engineering Technology Research Center of Food Microbiology, Henan University of Science and Technology, Luoyang 471023, PR China
| | - Baocheng Xu
- College of Food and Bioengineering, National Experimental Teaching Demonstration Center for Food Processing and Security, Henan Engineering Technology Research Center of Food Raw Materials, International Joint Laboratory of Food Processing and Quality Safety Control of Henan Province, Henan Engineering Technology Research Center of Food Microbiology, Henan University of Science and Technology, Luoyang 471023, PR China
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Fan Y, Wang J, Qian S, Xue H, Tian J, Jiang T. Assembling carbon nitride quantum dots into hollow fusiformis and loading CoP for photocatalytic hydrogen evolution. J Colloid Interface Sci 2024; 667:128-135. [PMID: 38631251 DOI: 10.1016/j.jcis.2024.04.066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 04/08/2024] [Accepted: 04/10/2024] [Indexed: 04/19/2024]
Abstract
The self-assembled carbon nitride quantum dots (CNQDs) has been largely advanced owing to the structure-relative photocatalytic activities, especially its electronic structure, which can be regulated by defects, functional groups, and doping. However, there are still issues such as wide band gaps for the assembles and severe recombination of photoinduced charges. Herein, we demonstrate the self-assembly of CNQDs into fusiform hollow superstructures (CNFHs), induced by hydrogen bonding between the terminal functional groups (-OH, -COOH, and -NH2). During the top-down assembly process, the hydrogen bonding dominates and initiates lateral cross-linking between adjacent CNQDs, which further twist into fusiform hollow structures. Benefitted greatly from the ultrathin and hollow nature of the superstructure that provides more exposed active sites, coupled with the introduction of phosphorus doping atoms into the framework induced narrowed band gap, CNFHs exhibits an 18-fold higher activity than the bulk counterpart toward photocatalytic hydrogen evolution after loading the CoP co-catalyst. This work presents a new platform to design and manipulate carbon nitride superstructures.
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Affiliation(s)
- Yu Fan
- School of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, Yangzhou 225002, People's Republic of China
| | - Junhua Wang
- School of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, Yangzhou 225002, People's Republic of China
| | - Sheng Qian
- School of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, Yangzhou 225002, People's Republic of China
| | - Huaiguo Xue
- School of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, Yangzhou 225002, People's Republic of China
| | - Jingqi Tian
- School of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, Yangzhou 225002, People's Republic of China
| | - Tengfei Jiang
- School of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, Yangzhou 225002, People's Republic of China.
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Li M, Zhang Y, Ma H, Peng Q, Min D, Zhang P, Jiang L. Improved antioxidant activity of pretreated lignin nanoparticles: Evaluation and self-assembly. Int J Biol Macromol 2024; 267:131472. [PMID: 38599437 DOI: 10.1016/j.ijbiomac.2024.131472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 03/21/2024] [Accepted: 04/06/2024] [Indexed: 04/12/2024]
Abstract
Lignin nanoparticles (LNPs) have gained significant attention for their potential as natural antioxidants. This study investigated the effect of various pretreatment methods on the lignin structure and subsequent antioxidant activity of LNPs. Among four pretreated LNPs, hydrothermal LNPs exhibited the highest antioxidant activity, surpassing unpretreated, acid-pretreated and kraft LNPs, with an impressive efficacy of 91.6%. The relationship between LNPs' structure and antioxidant activity was revealed by 2D heteronuclear singular quantum correlation (1H13C HSQC) and 31P nuclear magnetic resonance (NMR). 1H13C HSQC suggested the cleavage of β-O-4 ether bonds, as well as a decrease in ferulic acid and p-coumaric acid, which directly influenced the antioxidant activity of LNPs. 31P NMR demonstrated a positive correlation between the total hydroxyl group content and the antioxidant activity. Besides, an isothermal kinetic model for scavenging free radicals was established based on Langmuir kinetic model instead of Freundlich model. Moreover, multilayer LNPs, based on layer-by-layer self-assembly, were prepared and exhibited remarkable antioxidant activity of 95.8%. More importantly, when blended with pure cosmetic cream, the multilayer LNPs maintained antioxidant activity of 86.7%. These finding may promote the practical applications of biomolecules, e.g. lignin additives in cosmetics and pharmaceuticals.
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Affiliation(s)
- Mingfu Li
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangzhou, Guangdong 510316, China; Guangdong Province Engineering Research Center for Green Technology of Sugar Industry, Guangzhou, Guangdong 510316, China
| | - Yingchuan Zhang
- Department of Chemistry, The University of Hong Kong, Hong Kong
| | - Hongli Ma
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangzhou, Guangdong 510316, China; College of Engineering, Nanjing Agricultural University, Nanjing 210031, China
| | - Qida Peng
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangzhou, Guangdong 510316, China; College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, China
| | - Douyong Min
- College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, PR China
| | - Pingjun Zhang
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangzhou, Guangdong 510316, China; Guangdong Province Engineering Research Center for Green Technology of Sugar Industry, Guangzhou, Guangdong 510316, China.
| | - Liqun Jiang
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangzhou, Guangdong 510316, China; Guangdong Province Engineering Research Center for Green Technology of Sugar Industry, Guangzhou, Guangdong 510316, China.
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34
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Dai J, Fischer NG, Rahimi JR, Wang H, Hu C, Chen W, Lin Y, Sang T, Chew HP, Kong L, Aparicio C, Ye Z, Huang S. Interpenetrating nanofibrillar membrane of self-assembled collagen and antimicrobial peptides for enhanced bone regeneration. Int J Biol Macromol 2024; 267:131480. [PMID: 38599427 DOI: 10.1016/j.ijbiomac.2024.131480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 03/27/2024] [Accepted: 04/07/2024] [Indexed: 04/12/2024]
Abstract
Bone regeneration remains a major clinical challenge, especially when infection necessitates prolonged antibiotic treatment. This study presents a membrane composed of self-assembled and interpenetrating GL13K, an antimicrobial peptide (AMP) derived from a salivary protein, in a collagen membrane for antimicrobial activity and enhanced bone regeneration. Commercially available collagen membranes were immersed in GL13K solution, and self-assembly was initiated by raising the solution pH to synthesize the multifunctional membrane called COL-GL. COL-GL was composed of interpenetrating large collagen fibers and short GL13K nanofibrils, which increased hydrophobicity, reduced biodegradation from collagenase, and stiffened the matrix compared to control collagen membranes. Incorporation of GL13K led to antimicrobial and anti-fouling activity against early oral surface colonizer Streptococcus gordonii while not affecting fibroblast cytocompatibility or pre-osteoblast osteogenic differentiation. GL13K in solution also reduced macrophage inflammatory cytokine expression and increased pro-healing cytokine expression. Bone formation in a rat calvarial model was accelerated at eight weeks with COL-GL compared to the gold-standard collagen membrane based on microcomputed tomography and histology. Interpenetration of GL13K within collagen sidesteps challenges with antimicrobial coatings on bone regeneration scaffolds while increasing bone regeneration. This strength makes COL-GL a promising approach to reduce post-surgical infections and aid bone regeneration in dental and orthopedic applications. STATEMENT OF SIGNIFICANCE: The COL-GL membrane, incorporating the antimicrobial peptide GL13K within a collagen membrane, signifies a noteworthy breakthrough in bone regeneration strategies for dental and orthopedic applications. By integrating self-assembled GL13K nanofibers into the membrane, this study successfully addresses the challenges associated with antimicrobial coatings, exhibiting improved antimicrobial and anti-fouling activity while preserving compatibility with fibroblasts and pre-osteoblasts. The accelerated bone formation observed in a rat calvarial model emphasizes the potential of this innovative approach to minimize post-surgical infections and enhance bone regeneration outcomes. As a promising alternative for future therapeutic interventions, this material tackles the clinical challenges of extended antibiotic treatments and antibiotic resistance in bone regeneration scenarios.
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Affiliation(s)
- Jinhong Dai
- Institute of Stomatology & Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, 373 Xueyuan Xi Road, Wenzhou, Zhejiang, China
| | - Nicholas G Fischer
- MDRCBB, Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, Minneapolis, MN, United States
| | - Joseph R Rahimi
- MDRCBB, Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, Minneapolis, MN, United States
| | - Hongning Wang
- Institute of Stomatology & Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, 373 Xueyuan Xi Road, Wenzhou, Zhejiang, China
| | - Chaoming Hu
- Institute of Stomatology & Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, 373 Xueyuan Xi Road, Wenzhou, Zhejiang, China
| | - Wener Chen
- Division of Paediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Hong Kong
| | - Yifan Lin
- Division of Paediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Hong Kong
| | - Ting Sang
- School of Stomatology of Nanchang University & The Key Laboratory of Oral Biomedicine, Nanchang, Jiangxi Province, China
| | - Hooi Pin Chew
- MDRCBB, Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, Minneapolis, MN, United States
| | - Liang Kong
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Conrado Aparicio
- MDRCBB, Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, Minneapolis, MN, United States; Division of Basic Research, Faculty of Odontology UIC Barcelona, Universitat Internacional de Catalunya, Barcelona, Spain; Institute for Bioengineering of Catalonia (IBEC), Barcelona, Spain.
| | - Zhou Ye
- MDRCBB, Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, Minneapolis, MN, United States; Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong.
| | - Shengbin Huang
- Institute of Stomatology & Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, 373 Xueyuan Xi Road, Wenzhou, Zhejiang, China.
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Khanra P, Rajdev P, Das A. Seed-Induced Living Two-Dimensional (2D) Supramolecular Polymerization in Water: Implications on Protein Adsorption and Enzyme Inhibition. Angew Chem Int Ed Engl 2024; 63:e202400486. [PMID: 38265331 DOI: 10.1002/anie.202400486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 01/22/2024] [Accepted: 01/24/2024] [Indexed: 01/25/2024]
Abstract
In biological systems, programmable supramolecular frameworks characterized by coordinated directional non-covalent interactions are widespread. However, only a small number of reports involve pure water-based dynamic supramolecular assembly of artificial π-amphiphiles, primarily due to the formidable challenge of counteracting the strong hydrophobic dominance of the π-surface in water, leading to undesired kinetic traps. This study reveals the pathway complexity in hydrogen-bonding-mediated supramolecular polymerization of an amide-functionalized naphthalene monoimide (NMI) building block with a hydrophilic oligo-oxyethylene (OE) wedge. O-NMI-2 initially produced entropically driven, collapsed spherical particles in water (Agg-1); however, over a span of 72 h, these metastable Agg-1 gradually transformed into two-dimensional (2D) nanosheets (Agg-2), favoured by both entropy and enthalpy contributions. The intricate self-assembly pathways in O-NMI-2 enable us to explore seed-induced living supramolecular polymerization (LSP) in water for controlled synthesis of monolayered 2D assemblies. Furthermore, we demonstrated the nonspecific surface adsorption of a model enzyme, serine protease α-Chymotrypsin (α-ChT), and consequently the enzyme activity, which could be regulated by controlling the morphological transformation of O-NMI-2 from Agg-1 to Agg-2. We delve into the thermodynamic aspects of such shape-dependent protein-surface interactions and unravel the impact of seed-induced LSP on temporally controlling the catalytic activity of α-ChT.
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Affiliation(s)
- Payel Khanra
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science (IACS), 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata, 700032, India
| | - Priya Rajdev
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science (IACS), 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata, 700032, India
| | - Anindita Das
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science (IACS), 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata, 700032, India
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Lou H, Zhang H, Yao C, Chen M, Zhang Z, Xia B, Sun Y, Zhang W, Wang H, Lang X, Cai K. Synergistically engineered in-situ self-assembled heterostructure composite nanofiber cathode with superior oxygen reduction reaction catalysis for solid oxide fuel cells. J Colloid Interface Sci 2024; 666:285-295. [PMID: 38603872 DOI: 10.1016/j.jcis.2024.04.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 03/26/2024] [Accepted: 04/04/2024] [Indexed: 04/13/2024]
Abstract
The engineering and exploration of cathode materials to achieve superior oxygen reduction catalytic activity and resistance to CO2 are crucial for enhancing the performance of solid oxide fuel cells (SOFCs). Herein, a novel heterostructure composite nanofiber cathode comprised of PrBa0.5Sr0.5Co2O5+δ and Ce0.8Pr0.2O1.9 (PBSC-CPO-ES) was prepared for the first time through a synergistic approach involving in-situ self-assembly and electrostatic spinning techniques. PBSC-CPO-ES exhibits exceptionally high oxygen reduction catalytic activity and CO2 resistance, which is attributed to its unique nanofiber microstructure and abundant presence of heterointerfaces, significantly accelerating the charge transfer process, surface exchange and bulk diffusion of oxygen. The introduction of CPO not only effectively reduces the thermal expansion of PBSC but also changes the characteristics of oxygen ion transport anisotropy in layered perovskite materials, forming three-dimensional oxygen ion transport pathways. At 750 °C, the single cell employing the PBSC-CPO-ES heterostructure nanofiber attains an impressive peak power density of 1363 mW cm-2. This represents a notable 60.7 % improvement in comparison to the single-phase PBSC powder. Moreover, PBSC-CPO-ES exhibits excellent CO2 tolerance and performance recovery after CO2 exposure. This work provides new perspectives to the design and advancement of future high-performance and high-stability SOFC cathode materials.
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Affiliation(s)
- Hao Lou
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China
| | - Haixia Zhang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China
| | - Chuangang Yao
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China.
| | - Mingcun Chen
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China
| | - Zhe Zhang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China
| | - Baixi Xia
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China
| | - Yuxi Sun
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China
| | - Wenwen Zhang
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China
| | - Haocong Wang
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan
| | - Xiaoshi Lang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China
| | - Kedi Cai
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China.
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Zhang B, Lee H, Holstein JJ, Clever GH. Shape-Complementary Multicomponent Assembly of Low-Symmetry Co(III)Salphen-Based Coordination Cages. Angew Chem Int Ed Engl 2024:e202404682. [PMID: 38573026 DOI: 10.1002/anie.202404682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 03/28/2024] [Accepted: 03/28/2024] [Indexed: 04/05/2024]
Abstract
While metal-mediated self-assembly is a popular technique to construct discrete nanosized objects, highly symmetric structures, built from one type of ligand at a time, are dominating reported systems. The tailored integration of a set of different ligands requires sophisticated approaches to avoid narcissistic separation or formation of statistical mixtures. Here, we demonstrate how the combination of three structure-guiding effects (metal-templated macrocyclization, additional bridging ligands and shape-complementarity) based on Co(III)salphen metal nodes allows for a rational and high-yielding synthesis of structurally complex, lantern-shaped cages with up to four differentiable bridges. Three new heteroleptic coordination cages based on dinuclear Co(III)salphen macrocycles were synthesized in a one-pot reaction approach and fully characterized, including single crystal X-ray analyses. One cage groups two of the same ligands, another two different ligands around a symmetric Co2-bis-salphen ring. In the most complex structure, this ring is unsymmetric, rendering all four connections between the two metal centers distinguishable. While heteroleptic assembly around Pd(II) nodes has been shown to be dynamic, beneficial for cage-to-cage transformations, assembly cascades and adaptive systems, the herein introduced cages based on kinetically more inert Co(III)salphen will be advantageous for applications in enzyme-like catalysis and molecular machinery that require enhanced structural and chemical stability.
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Affiliation(s)
- Bo Zhang
- TU Dortmund University, Chemistry and Chemical Biology, GERMANY
| | - Haeri Lee
- Hannam University, Chemistry, KOREA, REPUBLIC OF
| | | | - Guido H Clever
- TU Dortmund University, Faculty for Chemistry and Chemical Biology, Otto-Hahn-Str. 6, 44227, Dortmund, GERMANY
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38
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Lee S, Kwon S, Lee S, Oh MJ, Jung I, Park S. Combinatorial Effect of Tricomponent Dual-Rim Nanoring Building Blocks: Label-Free SERS Detection of Biomolecules. Nano Lett 2024; 24:3930-3936. [PMID: 38513221 DOI: 10.1021/acs.nanolett.4c00083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
Detecting weakly adsorbing molecules via label-free surface-enhanced Raman scattering (SERS) has presented a significant challenge. To address this issue, we propose a novel approach for creating tricomponent SERS substrates using dual-rim nanorings (DRNs) made of Au, Ag, and CuO, each possessing distinct functionalities. Our method involves depositing different metals on Pt nanoring skeletons to obtain each nanoring with varying surface compositions while maintaining a similar size and shape. Next, the mixture of these nanorings is transferred into a monolayer assembly with homogeneous intermixing on a solid substrate. The surface of the CuO DRNs has dangling bonds (Cu2+) that facilitate the strong adsorption of carboxylates through the formation of chelating bonds, while the combination of Au and Ag DRNs significantly enhances the SERS signal intensity through a strong coupling effect. Notably, the tricomponent assemblies enable the successful SERS-based analysis of biomolecules such as amino acids, proteins, nucleobases, and nucleotides.
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Affiliation(s)
- Soohyun Lee
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Sunwoo Kwon
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Sungwoo Lee
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Institute of Basic Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Myeong Jin Oh
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Insub Jung
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Institute of Basic Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Sungho Park
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea
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Lei Y, Lee Y. Nanoencapsulation and delivery of bioactive ingredients using zein nanocarriers: approaches, characterization, applications, and perspectives. Food Sci Biotechnol 2024; 33:1037-1057. [PMID: 38440671 PMCID: PMC10908974 DOI: 10.1007/s10068-023-01489-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 11/06/2023] [Accepted: 11/19/2023] [Indexed: 03/06/2024] Open
Abstract
Zein has garnered widespread attention as a versatile material for nanosized delivery systems due to its unique self-assembly properties, amphiphilicity, and biocompatibility characteristics. This review provides an overview of current approaches, characterizations, applications, and perspectives of nanoencapsulation and delivery of bioactive ingredients within zein-based nanocarriers. Various nanoencapsulation strategies for bioactive ingredients using various types of zein-based nanocarrier structures, including nanoparticles, nanofibers, nanoemulsions, and nanogels, are discussed in detail. Factors affecting the stability of zein nanocarriers and characterization methods of bioactive-loaded zein nanocarrier structures are highlighted. Additionally, current applications of zein nanocarriers loaded with bioactive ingredients are summarized. This review will serve as a guide for the selection of appropriate nanoencapsulation techniques within zein nanocarriers and a comprehensive understanding of zein-based nanocarriers for specific applications in the food, pharmaceutical, cosmetic, and agricultural industries. Supplementary Information The online version contains supplementary material available at 10.1007/s10068-023-01489-6.
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Affiliation(s)
- Yanlin Lei
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL 61801 USA
| | - Youngsoo Lee
- Department of Biological Systems Engineering, Washington State University at Pullman, Pullman, WA 203, L.J. Smith Hall, 1935 E. Grimes Way99164-6120 USA
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40
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Zhang Y, Li DQ, Yang CX, Xiong ZW, Tohti M, Zhang YQ, Chen HJ, Li J. Polymerization strategy for cellulose nanocrystals-based photonic crystal films with water resisting property. Int J Biol Macromol 2024; 265:130793. [PMID: 38503368 DOI: 10.1016/j.ijbiomac.2024.130793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 02/26/2024] [Accepted: 03/09/2024] [Indexed: 03/21/2024]
Abstract
Cellulose nanocrystals (CNCs) can form a liquid crystal film with a chiral nematic structure by evaporative-induced self-assembly (EISA). It has attracted much attention as a new class of photonic liquid crystal material because of its intrinsic, unique structural characteristics, and excellent optical properties. However, the CNCs-based photonic crystal films are generally prepared via the physical crosslinking strategy, which present water sensitivity. Here, we developed CNCs-g-PAM photonic crystal film by combining free radical polymerization and EISA. FT-IR, SEM, POM, XRD, TG-DTG, and UV-Vis techniques were employed to characterize the physicochemical properties and microstructure of the as-prepared films. The CNCs-g-PAM films showed a better thermo-stability than CNCs-based film. Also, the mechanical properties were significantly improved, viz., the elongation at break was 9.4 %, and tensile strength reached 18.5 Mpa, which was a much better enhancement than CNCs-based film. More importantly, the CNCs-g-PAM films can resist water dissolution for more than 24 h, which was impossible for the CNCs-based film. The present study provided a promising strategy to prepare CNCs-based photonic crystal film with high flexibility, water resistance, and optical properties for applications such as decoration, light management, and anti-counterfeiting.
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Affiliation(s)
- Yue Zhang
- College of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumchi 830052, China
| | - De-Qiang Li
- College of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumchi 830052, China.
| | - Cai-Xia Yang
- College of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumchi 830052, China
| | - Zi-Wei Xiong
- College of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumchi 830052, China
| | - Maryamgul Tohti
- College of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumchi 830052, China
| | - Yu-Qing Zhang
- College of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumchi 830052, China
| | - Hong-Jie Chen
- College of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumchi 830052, China
| | - Jun Li
- College of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumchi 830052, China.
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Zhou H, Fang Y, Zhang J, Xiong T, Peng F. Site-directed immobilization of enzymes on nanoparticles using self-assembly systems. Bioresour Technol 2024; 397:130505. [PMID: 38423485 DOI: 10.1016/j.biortech.2024.130505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 02/26/2024] [Accepted: 02/26/2024] [Indexed: 03/02/2024]
Abstract
Enzyme immobilization is an effective method for improving the stability and reusability. However, linking at random sites on the enzyme results in low catalytic efficiency due to blockage of the active site or conformational changes. Therefore, controlling the orientation of enzymes on the carrier has been developed. Here, the site-specific mutation and the SpyTag/SpyCatcher systems were used to prepare a site-directed immobilized enzyme. The thermal stability of the immobilized enzyme was better than that of the free enzyme, and ≥80 % of the catalytic activity was retained after 30 days of storage. Furthermore, the Michaelis constant (Km) and the turnover number (kcat) of the immobilized enzyme were 5.23-fold lower and 6.11-fold higher than those of the free enzyme, respectively, which appeared to be related to changes in secondary structure after immobilization. These findings provide a new and effective option for enzyme-directed immobilization.
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Affiliation(s)
- Haili Zhou
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China
| | - Yuling Fang
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China
| | - Jing Zhang
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China
| | - Tao Xiong
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China; State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China
| | - Fei Peng
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China; State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China.
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42
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Lindberg M, Axell E, Sparr E, Linse S. A label-free high-throughput protein solubility assay and its application to Aβ40. Biophys Chem 2024; 307:107165. [PMID: 38309218 DOI: 10.1016/j.bpc.2023.107165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/18/2023] [Accepted: 12/25/2023] [Indexed: 02/05/2024]
Abstract
A major hallmark of Alzheimer's disease is the accumulation of aggregated amyloid β peptide (Aβ) in the brain. Here we develop a solubility assay for proteins and measure the solubility of Aβ40. In brief, the method utilizes 96-well filter plates to separate monomeric Aβ from aggregated Aβ, and the small species are quantified with the amine reactive dye o-phthalaldehyde (OPA). This procedure ensures that solubility is measured for unlabeled species, and makes the assay high-throughput and inexpensive. We demonstrate that the filter plates successfully separate fibrils from monomer, with negligible monomer adsorption, and that OPA can quantify Aβ peptides in a concentration range from 40 nM to 20 μM. We also show that adding a methionine residue to the N-terminus of Aβ1-40 decreases the solubility by <3-fold. The method will facilitate further solubility studies, and contribute to the understanding of the thermodynamics of amyloid fibril formation.
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Affiliation(s)
- Max Lindberg
- Biochemistry and Structural Biology, Lund University, Lund, Sweden
| | - Emil Axell
- Biochemistry and Structural Biology, Lund University, Lund, Sweden
| | - Emma Sparr
- Division of Physical Chemistry, Department of Chemistry, Lund University, Lund, Sweden
| | - Sara Linse
- Biochemistry and Structural Biology, Lund University, Lund, Sweden.
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43
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Arul SS, Balakrishnan B, Handanahal SS, Venkataraman S. Viral nanoparticles: Current advances in design and development. Biochimie 2024; 219:33-50. [PMID: 37573018 DOI: 10.1016/j.biochi.2023.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/06/2023] [Accepted: 08/07/2023] [Indexed: 08/14/2023]
Abstract
Viral nanoparticles (VNPs) are self-assembling, adaptable delivery systems for vaccines and other therapeutic agents used in a variety of biomedical applications. The potential of viruses to invade and infect various hosts and cells renders them suitable as potential nanocarriers, possessing distinct functional characteristics, immunogenic properties, and improved biocompatibility and biodegradability. VNPs are frequently produced through precise genetic or chemical engineering, which involves adding diverse sequences or functional payloads to the capsid protein (CP). Several spherical and helical plant viruses, bacteriophages, and animal viruses are currently being used as VNPs, or non-infectious virus-like particles (VLPs). In addition to their broad use in cancer therapy, vaccine technology, diagnostics, and molecular imaging, VNPs have made important strides in the realms of tissue engineering, biosensing, and antimicrobial prophylaxis. They are also being used in energy storage cells due to their binding and piezoelectric properties. The large-scale production of VNPs for research, preclinical testing, and clinical use is fraught with difficulties, such as those relating to cost-effectiveness, scalability, and purity. Consequently, many plants- and microorganism-based platforms are being developed, and newer viruses are being explored. The goal of the current review is to provide an overview of these advances.
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Hao Z, Feng Q, Wang Y, Wang Y, Li H, Hu Y, Chen T, Wang J, Chen R, Lv X, Yang Z, Chen J, Guo X, Li J. A parathyroid hormone related supramolecular peptide for multi-functionalized osteoregeneration. Bioact Mater 2024; 34:181-203. [PMID: 38235308 PMCID: PMC10792172 DOI: 10.1016/j.bioactmat.2023.12.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 11/30/2023] [Accepted: 12/17/2023] [Indexed: 01/19/2024] Open
Abstract
Supramolecular peptide nanofiber hydrogels are emerging biomaterials for tissue engineering, but it is difficult to fabricate multi-functional systems by simply mixing several short-motif-modified supramolecular peptides because relatively abundant motifs generally hinder nanofiber cross-linking or the formation of long nanofiber. Coupling bioactive factors to the assembling backbone is an ideal strategy to design multi-functional supramolecular peptides in spite of challenging synthesis and purification. Herein, a multi-functional supramolecular peptide, P1R16, is developed by coupling a bioactive factor, parathyroid hormone related peptide 1 (PTHrP-1), to the basic supramolecular peptide RADA16-Ⅰ via solid-phase synthesis. It is found that P1R16 self-assembles into long nanofibers and co-assembles with RADA16-Ⅰ to form nanofiber hydrogels, thus coupling PTHrP-1 to hydrogel matrix. P1R16 nanofiber retains osteoinductive activity in a dose-dependent manner, and P1R16/RADA16-Ⅰ nanofiber hydrogels promote osteogenesis, angiogenesis and osteoclastogenesis in vitro and induce multi-functionalized osteoregeneration by intramembranous ossification and bone remodeling in vivo when loaded to collagen (Col) scaffolds. Abundant red blood marrow formation, ideal osteointegration and adapted degradation are observed in the 50% P1R16/Col scaffold group. Therefore, this study provides a promising strategy to develop multi-functional supramolecular peptides and a new method to topically administrate parathyroid hormone or parathyroid hormone related peptides for non-healing bone defects.
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Affiliation(s)
- Zhuowen Hao
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Qinyu Feng
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Yi Wang
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Ying Wang
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Hanke Li
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Yingkun Hu
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Tianhong Chen
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Junwu Wang
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Renxin Chen
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Xuan Lv
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Zhiqiang Yang
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Jiayao Chen
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Xiaodong Guo
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jingfeng Li
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
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Miyazaki R, Suzuki M, Nakajima N, Hamada M, Koyama Y. Synthesis and self-assembly behaviors of α-galactosyl ceramide (1,2)-polysaccharide analogue. Int J Biol Macromol 2024; 263:130276. [PMID: 38373566 DOI: 10.1016/j.ijbiomac.2024.130276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 02/21/2024]
Abstract
α-Galactosyl ceramide (GalCer) as a glycolipid has been long used as a standard reference for positive control in natural killer T cell studies. The (1,2)-disaccharide analogue of GalCer attracts a special attention in the study of lysosomal glycolipid processing. This paper describes the synthesis and self-assembly behaviors of GalCer 1,2-polysaccharide analogue (PolyGalCer), having considered the 1,2-disaccharide analogue as a structural motif. The synthesis of PolyGalCer is performed via one-pot glycosidation technique of 1,2-linked oligogalactan exploiting chain polymerization of galactose-based cyclic sulfite as a monomer initiated with ceramide-based alcoholic aglycon. Through the concentration dependence of PolyGalCer solutions in water or in MeOH on the turbidity, it is found that PolyGalCer forms associates in both media. From the intersection points, the critical aggregation concentration (CAC) values of PolyGalCer in water and MeOH were estimated. To know the self-assembly and the thermal transition behaviors, we performed dynamic light scattering (DLS) analysis of the associates comprising PolyGalCer in water. The transmission electron microscopy observations of the aqueous sample solution indicate that the solution of PolyGalCer includes large spherical associates. The results clarify that the 1,2-galactan moiety of PolyGalCer skeleton contributes on the kinetic inhibition of large associate formation and the metamorphosis of associates.
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Affiliation(s)
- Ryo Miyazaki
- Department of Pharmaceutical Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Misaki Suzuki
- Department of Pharmaceutical Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Noriyuki Nakajima
- Department of Pharmaceutical Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan; Biotechnology Research Center, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Masahiro Hamada
- Department of Pharmaceutical Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan; Biotechnology Research Center, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Yasuhito Koyama
- Department of Pharmaceutical Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan; Biotechnology Research Center, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan.
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46
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Zanata SM, El-Shafai NM, Beltagi AM, Alshehri S, El-Sherbiny M, El-Mehasseb IM. Bio-study: Modeling of natural nanomolecules as a nanocarrier surface for antioxidant and glucose biosensor. Int J Biol Macromol 2024; 264:130634. [PMID: 38460624 DOI: 10.1016/j.ijbiomac.2024.130634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 02/25/2024] [Accepted: 03/03/2024] [Indexed: 03/11/2024]
Abstract
The nature of nano molecules as a self-assembled nanocomposite surface depends on the nanoparticles of sodium butyrate, cellulose, and pycnogenol; the synthesis is achieved via precipitation and grinding methods. The excellent functionalized surface of nanocomposite (NCP) enables the loading of the selected drugs, where the efficiency of the NCP surface arrived at 92.2 %. The electrochemical behavior emphasized the success of a functionalized NCP surface for incorporation with drugs for the drug delivery system, the results of cytotoxicity detect the effect of NCP on the mouse normal liver (BNL) cells, where the high and low concentrations on the BNL cells have a safe dose. Cell viability with BNL cells was reported at 101.8 % with10 μL and 100.12 % with 100 μL, the interaction between the NCP and the human serum albumin (HSA) at room temperature. The low interaction rate with the glutamate and increased binding with the oxidized glutathione disulfide (GSSG) and reduced glutathione (SGH) reflect the antioxidant activity of NCP. The strong binding of NCP with biomolecules such as glucose is referred to as the biosensor property. The results recommend that NCP is an excellent nanocarrier for drug delivery and glucose biosensors for diabetes.
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Affiliation(s)
- Samar M Zanata
- Nanotechnology Center, Chemistry Department, Faculty of Science, Kafrelsheikh University 33516, Egypt
| | - Nagi M El-Shafai
- Nanotechnology Center, Chemistry Department, Faculty of Science, Kafrelsheikh University 33516, Egypt.
| | - Amr M Beltagi
- Nanotechnology Center, Chemistry Department, Faculty of Science, Kafrelsheikh University 33516, Egypt
| | - Sultan Alshehri
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mohamed El-Sherbiny
- Department of Basic Medical Sciences, College of Medicine, AlMaarefa University, P.O. Box 71666, Riyadh, 11597, Saudi Arabia
| | - Ibrahim M El-Mehasseb
- Nanotechnology Center, Chemistry Department, Faculty of Science, Kafrelsheikh University 33516, Egypt
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Wu Z, Xie Z, Zhu Y, Wang B, Nie Y, Qiu J, Le Z. Solvent-regulated self-assembled carbon nitride for photocatalytic reduction of U(VI) in water. Photochem Photobiol Sci 2024; 23:651-664. [PMID: 38430372 DOI: 10.1007/s43630-024-00541-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 01/18/2024] [Indexed: 03/03/2024]
Abstract
Manufacturing high-performance and reusable materials from radioactive uranium-containing wastewater remains a significant challenge. Herein, a supramolecular self-assembly strategy was proposed, using melamine and cyanuric acid as precursors and using intermolecular hydrogen bond force to form carbon nitride (CN-D) in different solvents through a single thermal polymerization strategy. Supramolecular self-assembly method is a promising strategy to synthesize a novel carbon nitride with molecular regulatory properties. In addition, 98% of U(VI) in wastewater can be removed by using CN-D for 60 min under visible light. After five cycles of recycling, more than 95% of U(VI) can still be reduced, indicating that it has good recyclability and reusability. This study not only provides an efficient photocatalytic method of uranium reduction, but also provides a new method for self-assembly synthesis.
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Affiliation(s)
- Zhiwen Wu
- Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China
| | - Zongbo Xie
- Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China.
| | - Ye'an Zhu
- Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China
| | - Bo Wang
- Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China
| | - Yidan Nie
- Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China
| | - Jialin Qiu
- Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China
| | - Zhanggao Le
- Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China.
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, 330013, China.
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48
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Banerjee K, Rasheeda K, Tarannum A, Fathima NN. Structural and mechanical behavior of type-I collagen fibrils in presence of induced electrostatic interactions through ionic liquids. Biophys Chem 2024; 307:107192. [PMID: 38335806 DOI: 10.1016/j.bpc.2024.107192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 01/03/2024] [Accepted: 01/24/2024] [Indexed: 02/12/2024]
Abstract
Tuning the self-assembly of collagen has broad applications in the biomedical field owing to their desired biological performance as collagenous materials with tunable functionalities can further determine cellular responses. In this work, an attempt has been made to tune the self-assembly of collagen using ionic liquids, viz., imidazolium chloride (IC) and choline dihydrogen phosphate (CDHP) at its physiological pH, followed by probing assembled systems using various characterization methods. Turbidity measurements of fibrillar networks were performed to ascertain the rate of fibril formation in addition of imidazolium chloride and choline dihydrogen phosphate to collagen at physiological pH. Morphological changes were examined using Scanning Electron Microscope (SEM), binding affinities were measured by Microscale Thermophoresis (MST), in addition to, changes in the shear viscosity, mechanical strength of collagen fibrils when interacted with imidazolium and choline based ILs were carried out using rotational rheometer and Quartz Crystal Microbalance (QCM) measurements. Experimental result depicts that CDHP imparts better crosslinking as well as mechanical strength compare to IC, which is already known for destabilizing the triple helix structure is inhibiting the fibril formation. This self-assembled, ionic-liquid treated collagen-fibrillar system would accelerate various force modulated fibrillar network study, for mimicking the ECM and tissue engineering application.
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Affiliation(s)
- Kuntala Banerjee
- Inorganic and Physical Chemistry Laboratory, CSIR-Central Leather Research Institute (CSIR-CLRI), Adyar, Chennai 600 020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - K Rasheeda
- Inorganic and Physical Chemistry Laboratory, CSIR-Central Leather Research Institute (CSIR-CLRI), Adyar, Chennai 600 020, India
| | - Aafiya Tarannum
- Inorganic and Physical Chemistry Laboratory, CSIR-Central Leather Research Institute (CSIR-CLRI), Adyar, Chennai 600 020, India
| | - N Nishad Fathima
- Inorganic and Physical Chemistry Laboratory, CSIR-Central Leather Research Institute (CSIR-CLRI), Adyar, Chennai 600 020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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49
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Ding X, Wang Y, Zhang S, Zhang R, Chen D, Liu C, Xu J, Chen L. Reductive amination of ω-conotoxin MVIIA: synthesis, determination of modification sites, and self-assembly. Amino Acids 2024; 56:26. [PMID: 38554247 PMCID: PMC10981597 DOI: 10.1007/s00726-023-03366-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 12/13/2023] [Indexed: 04/01/2024]
Abstract
Peptide drugs have disadvantages such as low stability, short half-life and side effects, which limit their widespread use in clinical practice. Therefore, peptide drugs can be modified to improve these disadvantages. Numerous studies have shown that alkyl-modified peptide drugs can self-assemble to prolong the duration of efficacy and/or reduce side effects. However, the commonly used solid-phase synthesis method for alkyl-modified peptides is time-consuming. To overcome this, a simple reductive amination reaction was employed, which can directly graft the alkyl chain to the peptide sequence and effectively avoid stepwise synthesis from C- to N-terminal with amino acids. In this study, ω-conotoxin MVIIA was used as the peptide drug, while myristic aldehyde was used as the alkylating agent. To obtain the maximum productivity of modified peptides, the molar ratio of peptide MVIIA to myristic aldehyde in the reductive amination reaction was optimized. Furthermore, the peptide modification sites in this reaction were confirmed by secondary mass spectrometry analysis. Besides, alkyl-modified peptide MVIIA was able to form micelles by self-assembly and improved stability in serum, which was related to our previous work where myristoylated peptide MVIIA micelles can improve the drug stability. Finally, this study was intended to provide a methodological basis for modifying the alkyl chain of peptide drugs.
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Affiliation(s)
- Xiufang Ding
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, China
| | - Yue Wang
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, China
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Sida Zhang
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, China
| | - Ruihua Zhang
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, China
| | - Dong Chen
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, China
| | - Changcai Liu
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, China
| | - Jianfu Xu
- State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, China.
| | - Long Chen
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China.
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Song K, Wang Y, Dong W, Li Z, Xia Q, Zhu P, He H. Decoding silkworm spinning programmed by pH and metal ions. Sci Bull (Beijing) 2024; 69:792-802. [PMID: 38245448 DOI: 10.1016/j.scib.2023.12.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 11/11/2023] [Accepted: 12/28/2023] [Indexed: 01/22/2024]
Abstract
Silk is one of the toughest fibrous materials known despite spun at ambient temperature and pressure with water as a solvent. It is a great challenge to reproduce high-performance artificial fibers comparable to natural silk by bionic for the incomplete understanding of silkworm spinning in vivo. Here, we found that amphipol and digitonin stabilized the structure of natural silk fibroin (NSF) by a large-scale screening in vitro, and then studied the close-to-native ultrastructure and hierarchical assembly of NSF in the silk gland lumen. Our study showed that NSF formed reversible flexible nanofibrils mainly composed of random coils with a sedimentation coefficient of 5.8 S and a diameter of about 4 nm, rather than a micellar or rod-like structure assembled by the aggregation of globular NSF molecules. Metal ions were required for NSF nanofibril formation. The successive pH decrease from posterior silk gland (PSG) to anterior silk gland (ASG) resulted in a gradual increase in NSF hydrophobicity, thus inducing the sol-gelation transition of NSF nanofibrils. NSF nanofibrils were randomly dispersed from PSG to ASG-1, and self-assembled into anisotropic herringbone patterns at ASG-2 near the spinneret ready for silkworm spinning. Our findings reveal the controlled self-assembly mechanism of the multi-scale hierarchical architecture of NSF from nanofibrils to herringbone patterns programmed by metal ions and pH gradient, which provides novel insights into the spinning mechanism of silk-secreting animals and bioinspired design of high-performance fibers.
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Affiliation(s)
- Kai Song
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Biological Science Research Center, Southwest University, Chongqing 400715, China; National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Yejing Wang
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Biological Science Research Center, Southwest University, Chongqing 400715, China
| | - Wenjie Dong
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Zhenzhen Li
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Biological Science Research Center, Southwest University, Chongqing 400715, China
| | - Qingyou Xia
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Biological Science Research Center, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400715, China.
| | - Ping Zhu
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Huawei He
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Biological Science Research Center, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, Chongqing 400715, China.
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