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Sheng X, Che Z, Qiao H, Qiu C, Wu J, Li C, Tan C, Li J, Wang G, Liu W, Gao H, Li X. A functional mineralized collagen hydrogel to promote angiogenic and osteogenic for osseointegration of 3D-printed titanium alloy microporous scaffolds. Int J Biol Macromol 2024:133806. [PMID: 38996886 DOI: 10.1016/j.ijbiomac.2024.133806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 06/08/2024] [Accepted: 07/09/2024] [Indexed: 07/14/2024]
Abstract
Bone defects, resulting from trauma, inflammation, tumors, and various other factors, affect both health and quality of life. Although autologous bone transplantation is the gold-standard treatment for bone defects, it has disadvantages such as donor site limitations, prolonged surgical durations, and potential complications, necessitating the development of alternative bone tissue engineering materials. In this study, we used 3D printing technology to fabricate porous titanium implants characterized by superior biocompatibility and mechanical properties. Sodium alginate (SA) and strontium ions (Sr2+) were integrated into mineralized collagen matrices (MCs) to develop strontium-functionalized alginate-mineralized collagen hydrogels (SAMs) with high mechanical strength and sustained metal ion release ability. SAMs were seamlessly incorporated into the porous structures of 3D-printed titanium scaffolds, establishing a novel organic-inorganic bioactive interface. This composite system exhibited high biocompatibility in vitro and increased the expression of genes important for osteogenic differentiation and angiogenesis. In a rabbit model of femoral defect, the titanium implants effectively promoted bone and vascular regeneration on their surface, highlighting their potential in facilitating bone-implant integration.
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Affiliation(s)
- Xiao Sheng
- Huzhou Central Hospital, Fifth school of Clinical Medical Universtiy, Wuxing, Huzhou, Zhejiang 313000, PR China
| | - Zhenjia Che
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, No. 301 Middle Yanchang Road, Shanghai 200072, PR China
| | - Hongqing Qiao
- Weihai Municipal Hosp., 70 Heping Rd., Weihai 264200, China
| | - Chenhao Qiu
- Huzhou Central Hospital, Fifth school of Clinical Medical Universtiy, Wuxing, Huzhou, Zhejiang 313000, PR China
| | - Junhao Wu
- Huzhou Central Hospital, Fifth school of Clinical Medical Universtiy, Wuxing, Huzhou, Zhejiang 313000, PR China
| | - Chen Li
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun 130041, PR China
| | - Chengjie Tan
- Huzhou Central Hospital, Fifth school of Clinical Medical Universtiy, Wuxing, Huzhou, Zhejiang 313000, PR China
| | - Jianyou Li
- Huzhou Central Hospital, Fifth school of Clinical Medical Universtiy, Wuxing, Huzhou, Zhejiang 313000, PR China
| | - Guorong Wang
- Huzhou Central Hospital, Fifth school of Clinical Medical Universtiy, Wuxing, Huzhou, Zhejiang 313000, PR China
| | - Wei Liu
- Huzhou Central Hospital, Fifth school of Clinical Medical Universtiy, Wuxing, Huzhou, Zhejiang 313000, PR China
| | - Hongliang Gao
- Huzhou Central Hospital, Fifth school of Clinical Medical Universtiy, Wuxing, Huzhou, Zhejiang 313000, PR China.
| | - Xiongfeng Li
- Huzhou Central Hospital, Fifth school of Clinical Medical Universtiy, Wuxing, Huzhou, Zhejiang 313000, PR China
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Chen P, Cheng H, Tian J, Pan H, Chen S, Ye X, Chen J. Photo-crosslinking modified sodium alginate hydrogel for targeting delivery potential by NO response. Int J Biol Macromol 2023; 253:126454. [PMID: 37619688 DOI: 10.1016/j.ijbiomac.2023.126454] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/15/2023] [Accepted: 08/20/2023] [Indexed: 08/26/2023]
Abstract
In recent years, the incidence of inflammatory bowel disease has gradually increased. Traditional drugs can reduce inflammation, but cannot be targeting released and often require the coordination with delivery systems. However, a good targeting performance delivery system is still scarce currently. Inflammation can trigger oxidative stress, producing large amounts of oxides such as nitric oxide (NO). Based on this, the present experiment innovatively designed a hydrogel delivery system with NO response that could be inflammation targeting. The hydrogel is composed of sodium alginate modified with glycerol methacrylate, crosslinked with NO response agent by photo-crosslinking method, which have low swelling (37 %) and good mechanical properties with a stable structure even at 55 °C. The results of in vitro digestion also indicated that the hydrogel had a certain tolerance to gastrointestinal digestion. And in the NO environment, it was interestingly found that the structure and mechanical properties of the hydrogels changed significantly. Moreover, hydrogels have good biocompatibility, which ensures their safe use in vivo. In conclusion, this NO-responsive-based delivery system is feasible and provides a new approach for drugs and active factors targeting delivery in the future.
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Affiliation(s)
- Pin Chen
- College of Biosystems Engineering and Food Science, Ningbo Innovation Center, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agri-Food Processing, Zhejiang University, Hangzhou 310058, China
| | - Huan Cheng
- College of Biosystems Engineering and Food Science, Ningbo Innovation Center, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agri-Food Processing, Zhejiang University, Hangzhou 310058, China; Zhejiang University Zhongyuan Institute, Zhengzhou 450000, China; Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi 276000, China; Innovation Center of Yangtze River Delta, Zhejiang University, Jiaxing 314102, China
| | - Jinhu Tian
- College of Biosystems Engineering and Food Science, Ningbo Innovation Center, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agri-Food Processing, Zhejiang University, Hangzhou 310058, China; Zhejiang University Zhongyuan Institute, Zhengzhou 450000, China; Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi 276000, China
| | - Haibo Pan
- College of Biosystems Engineering and Food Science, Ningbo Innovation Center, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agri-Food Processing, Zhejiang University, Hangzhou 310058, China; Innovation Center of Yangtze River Delta, Zhejiang University, Jiaxing 314102, China
| | - Shiguo Chen
- College of Biosystems Engineering and Food Science, Ningbo Innovation Center, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agri-Food Processing, Zhejiang University, Hangzhou 310058, China; Zhejiang University Zhongyuan Institute, Zhengzhou 450000, China; Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi 276000, China; Innovation Center of Yangtze River Delta, Zhejiang University, Jiaxing 314102, China
| | - Xingqian Ye
- College of Biosystems Engineering and Food Science, Ningbo Innovation Center, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agri-Food Processing, Zhejiang University, Hangzhou 310058, China; Zhejiang University Zhongyuan Institute, Zhengzhou 450000, China; Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi 276000, China.
| | - Jianle Chen
- College of Biosystems Engineering and Food Science, Ningbo Innovation Center, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agri-Food Processing, Zhejiang University, Hangzhou 310058, China; Zhejiang University Zhongyuan Institute, Zhengzhou 450000, China; Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi 276000, China.
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Gao YZ, Li A, Chen JC, Cui Z, Wu YX. Quaternized Sodium Alginate- g-Ethyl-Oxazoline Copolymer Brushes and Their Supramolecular Networks via Hydrogen Bonding. ACS Biomater Sci Eng 2022; 8:3424-3437. [PMID: 35878006 DOI: 10.1021/acsbiomaterials.2c00436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Novel copolymer brushes of quaternized sodium alginate-g-(2-ethyl-2-oxazoline)n are achieved by the grafting reaction of 2-ethyl-2-oxazoline (EOX) from benzyl bromide groups in quaternized sodium alginate (QSA). The average number of (EOX)n structural units is mediated from 1 to 5 by changing the molar ratio of the EOX monomer to benzyl bromide side groups. There exists obvious microphase separation between the QSA backbone and (EOX)n segments in the copolymer brushes due to their thermodynamic incompatibility. The strong hydrogen-bonding interaction between -OH groups in the backbone and N─C═O groups in (EOX)n segments is helpful for the construction of reversible supramolecular networks. The copolymer brushes show low cytotoxicity for HeLa cells and good antibacterial properties for Escherichia coli and Staphylococcus aureus for the contribution of hydrophilic (EOX)n segments and antibacterial activity of the quaternary ammonium. The antiprotein behavior of polymer surfaces is improved after rearrangement of (EOX)n segments by tetrahydrofuran (THF) vapor induction. These copolymer brushes have good prospects for biomedical applications.
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Affiliation(s)
- Yu-Zhuang Gao
- State Key Laboratory of Chemical Resource Engineering, College of Material Science and Engineering, Beijing University of Chemical Technology, 15 North 3th-Ring East Road, Chaoyang District, Beijing 100029, China
| | - Ang Li
- State Key Laboratory of Chemical Resource Engineering, College of Material Science and Engineering, Beijing University of Chemical Technology, 15 North 3th-Ring East Road, Chaoyang District, Beijing 100029, China
| | - Jun-Cai Chen
- State Key Laboratory of Chemical Resource Engineering, College of Material Science and Engineering, Beijing University of Chemical Technology, 15 North 3th-Ring East Road, Chaoyang District, Beijing 100029, China
| | - Zhe Cui
- State Key Laboratory of Chemical Resource Engineering, College of Material Science and Engineering, Beijing University of Chemical Technology, 15 North 3th-Ring East Road, Chaoyang District, Beijing 100029, China
| | - Yi-Xian Wu
- State Key Laboratory of Chemical Resource Engineering, College of Material Science and Engineering, Beijing University of Chemical Technology, 15 North 3th-Ring East Road, Chaoyang District, Beijing 100029, China
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Medeiros Salviano Santos MK, Sousa MH, Chaker JA. Drug dual-release matrix proprieties and the correlations with nanostructure aggregation kinetics for siloxane-polyether/hydrogel nanocomposites. RSC Adv 2021; 11:3863-3869. [PMID: 35424348 PMCID: PMC8694224 DOI: 10.1039/d0ra08270h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 01/05/2021] [Indexed: 11/21/2022] Open
Abstract
The influence of hydrogels on the nanostructural formation of siloxane-polyether nanocomposites was examined. The nanostructure was studied with small-angle X-ray scattering (SAXS) to determine the siloxane nanostructure aggregation mechanisms. The interactions between matrix and drug were examined by infrared spectroscopy to verify the compatibility of the drug with the matrix. For in vitro release tests Piroxicam was used as a model molecule. The variation of the different types of hydrogels, bis-acrylamide (BIS), poly(acrylamide-co-acrylic acid) (PAM) and polyvinylpyrrolidone (PVP) can modify the drug release profiles. The release behaviour was determined to be composed of two concomitant release mechanisms. The first is in the early stages of drug release, governed by erosion, diffusion and swelling and the second, in advanced stages of release, typical of diffusion through pores. These dependencies were found to be correlated to the physical and chemical properties of the nanocomposites, including the interactions disturbing polycondensation formation. The release rate depends on intramolecular matrix-matrix and intermolecular drug-matrix interactions, as well as a crystalline state of the matrix.
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Affiliation(s)
- Mac-Kedson Medeiros Salviano Santos
- Institute of Biological Sciences, University of Brasilia Brasilia Brazil
- Faculty of Ceilandia, University of Brasilia Brasilia Brazil
- Centro Universitário Unieuro Brasília DF Brazil
| | - Marcelo Henrique Sousa
- Institute of Biological Sciences, University of Brasilia Brasilia Brazil
- Faculty of Ceilandia, University of Brasilia Brasilia Brazil
| | - Juliano Alexandre Chaker
- Institute of Biological Sciences, University of Brasilia Brasilia Brazil
- Faculty of Ceilandia, University of Brasilia Brasilia Brazil
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The Effects of Vinegar Processing on the Changes in the Physical Properties of Frankincense Related to the Absorption of the Main Boswellic Acids. Molecules 2019; 24:molecules24193453. [PMID: 31547594 PMCID: PMC6804284 DOI: 10.3390/molecules24193453] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 09/17/2019] [Accepted: 09/21/2019] [Indexed: 12/21/2022] Open
Abstract
Boswellic acids (BAs), as the main components of frankincense, exhibit notable anti-inflammatory properties. However, their pharmaceutical development has been severely limited by their poor oral bioavailability. Traditional Chinese medicinal processing, called Pao Zhi, is believed to improve bioavailability, yet the mechanism is still completely unclear. Previous research suggested that the bioavailability of a drug can be influenced by physical properties. This paper was designed to investigate the physical properties of frankincense and processed frankincense, including the surface morphology, particle size, polydispersity index (PDI), zeta potential (ZP), specific surface area, porosity, and viscosity. The differences in the intestinal absorption characteristics and equilibrium solubilities between frankincense and processed frankincense were determined by an ultra-high-performance liquid chromatography coupled with a triple quadrupole electrospray tandem mass spectrometry (UHPLC-TQ-MS) analysis method. The results showed that vinegar processing can alter the surface morphology, decrease the particle size and PDI, raise the absolute values of the ZP, specific surface area and porosity, and drop the viscosity of frankincense. Meanwhile, the rates of absorption and dissolution of the main BAs were increased after the processing of frankincense. The present study proves that the physical properties were changed after processing, in which case the bioavailability of frankincense was enhanced.
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