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Qiu H, Wang J, Hu H, Song L, Liu Z, Xu Y, Liu S, Zhu X, Wang H, Bao C, Lin H. Preparation of an injectable and photocurable carboxymethyl cellulose/hydroxyapatite composite and its application in cranial regeneration. Carbohydr Polym 2024; 333:121987. [PMID: 38494238 DOI: 10.1016/j.carbpol.2024.121987] [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: 12/04/2023] [Revised: 02/08/2024] [Accepted: 02/24/2024] [Indexed: 03/19/2024]
Abstract
Limited bone regeneration, uncontrollable degradation rate, mismatched defect zone and poor operability have plagued the reconstruction of irregular bone defect by tissue-engineered materials. A combination of biomimetic scaffolds with hydroxyapatite has gained great popularity in promoting bone regeneration. Therefore, we designed an injectable, photocurable and in-situ curing hydrogel by methacrylic anhydride -modified carboxymethyl cellulose (CMC-MA) loading with spherical hydroxyapatite (HA) to highly simulate the natural bony matrix and match any shape of damaged tissue. The prepared carboxymethyl cellulose-methacrylate/ hydroxyapatite(CMC-MA/HA) composite presented good rheological behavior, swelling ratio and mechanical property under light illumination. Meanwhile, this composite hydrogel promoted effectively proliferation, supported adhesion and upregulated the osteogenic-related genes expression of MC3T3-E1 cells in vitro, as well as the activity of the osteogenic critical protein, Integrin α1, β1, Myosin 9, Myosin 10, BMP-2 and Smad 1 in Integrin/BMP-2 signal pathway. Together, the composite hydrogels realized promotion of bone regeneration, deformity improvement, and the enhanced new bone strength in skull defect. It also displayed a good histocompatibility and stability of subcutaneous implantation in vivo. Overall, this study laid the groundwork for future research into developing a novel biomaterial and a minimally invasive therapeutic strategies for reconstructing bone defects and contour deficiencies.
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Affiliation(s)
- He Qiu
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China
| | - Jing Wang
- National Engineering Research Center for Biomaterials, College Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Hong Hu
- National Engineering Research Center for Biomaterials, College Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Lu Song
- National Engineering Research Center for Biomaterials, College Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Zhanhong Liu
- National Engineering Research Center for Biomaterials, College Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Yang Xu
- National Engineering Research Center for Biomaterials, College Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Shuo Liu
- National Engineering Research Center for Biomaterials, College Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Xiangdong Zhu
- National Engineering Research Center for Biomaterials, College Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Hang Wang
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China
| | - Chongyun Bao
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China.
| | - Hai Lin
- National Engineering Research Center for Biomaterials, College Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China.
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Zhai D, Wang Y, Yu S, Zhou J, Song J, Hao S, Chen X. Design and evaluation of 32P-labeled hydroxyapatite nanoparticles for bone tumor therapy. Drug Deliv 2023; 30:2168791. [PMID: 36688268 PMCID: PMC9873276 DOI: 10.1080/10717544.2023.2168791] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
The clinical diagnosis and treatment of malignant bone tumors are still major clinical challenges due to their high incidence are difficulty. Targeted therapies have become a critical approach to treat bone tumors. In recent years, radiopharmaceuticals have been used widely and have shown potent and efficient results in treating bone tumors, among which 32P and the labeled radiopharmaceuticals play an essential role. In this study, the 32P-labeled hydroxyapatite (HA) was prepared through chemical synthesis (32P-Hap) and physical adsorption (32P-doped-Hap). The in vitro stability of 32P-labeled HA was analyzed to assess the superiority of the new-found chemical synthesis. The radiolabeling yield and stability of chemical synthesis (97.6 ± 0.5%) were significantly improved compared with physical adsorption (92.7 ± 0.4%). Furthermore, the CT results corroborate that 32P-Hap (100 μCi) +DOX group has the highest tumor suppression rate and can effectively reduce bone destruction. The results corroborate the effectiveness of the chemical synthesis and validate the application of 32P-Hap in bone tumors. Therefore, 32P-Hap (100 μCi) + DOX may be an effective strategy for bone metastasis treatments.
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Affiliation(s)
- Dongliang Zhai
- Department of Nuclear Medicine, Chongqing University Cancer Hospital, Chongqing, China
| | - Yumei Wang
- Department of Nuclear Medicine, Chongqing University Cancer Hospital, Chongqing, China
| | - Songke Yu
- Department of Nuclear Medicine, Chongqing University Cancer Hospital, Chongqing, China
| | - Jiren Zhou
- Department of Nuclear Medicine, Chongqing University Cancer Hospital, Chongqing, China
| | - Jia Song
- Department of Nuclear Medicine, Chongqing University Cancer Hospital, Chongqing, China
| | - Shilei Hao
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, China,Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital and Chongqing Cancer Institute and Chongqing Cancer Hospital, Chongqing, China
| | - Xiaoliang Chen
- Department of Nuclear Medicine, Chongqing University Cancer Hospital, Chongqing, China,CONTACT Xiaoliang Chen Department of Nuclear Medicine, Chongqing University Cancer Hospital, 181 Hanyu Road, Shapingba District, Chongqing 400030, China; Shilei Hao Shilei _hao @cqu.edu.cn Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, 174 Shazhengjie, Shapingba District, Chongqing 400030, China; Jia Song Department of Nuclear Medicine, Chongqing University Cancer Hospital, 181 Hanyu Road, Shapingba District, Chongqing 400030, China
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