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Gupta A, Park JY, Choi H, Choi TH, Chung Y, Kim DH, Lee YS. Development of Alginate-Based Biodegradable Radioactive Microspheres Labeled with Positron Emitter through Click Chemistry Reaction: Stability and PET Imaging Study. Mol Pharm 2024. [PMID: 39169803 DOI: 10.1021/acs.molpharmaceut.4c00412] [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: 08/23/2024]
Abstract
Biodegradable radioactive microspheres labeled with positron emitters hold significant promise for diagnostic and therapeutic applications in cancers and other diseases, including arthritis. The alginate-based polymeric microspheres offer advantages such as biocompatibility, biodegradability, and improved stability, making them suitable for clinical applications. In this study, we developed novel positron emission tomography (PET) microspheres using alginate biopolymer radiolabeled with gallium-68 (68Ga) through a straightforward conjugation reaction. Polyethylenimine (PEI)-decorated calcium alginate microspheres (PEI-CAMSs) were fabricated and further modified using azadibenzocyclooctyne-N-hydroxysuccinimide ester (ADIBO-NHS). Subsequently, azide-functionalized NOTA chelator (N3-NOTA) was labeled with [68Ga]Ga to obtain [68Ga]Ga-NOTA-N3, which was then reacted with the surface-modified PEI-CAMSs using strain-promoted alkyne-azide cycloaddition (SPAAC) reaction to develop [68Ga]Ga-NOTA-PEI-CAMSs, a novel PET microsphere. The radiolabeling efficiency and radiochemical stability of [68Ga]Ga-NOTA-PEI-CAMSs were determined using the radio-instant thin-layer chromatography-silica gel (radio-ITLC-SG) method. The in vivo PET images were also acquired to study the in vivo stability of the radiolabeled microspheres in normal mice. The radiolabeling efficiency of [68Ga]Ga-NOTA-PEI-CAMSs was over 99%, and the microspheres exhibited high stability (92%) in human blood serum. PET images demonstrated the stability and biodistribution of the microspheres in mice for up to 2 h post injection. This study highlights the potential of biodegradable PET microspheres for preoperative imaging and targeted radionuclide therapy. Overall, the straightforward synthesis method and efficient radiolabeling technique provide a promising platform for the development of theranostic microspheres using other radionuclides such as 90Y, 177Lu, 188Re, and 64Cu.
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Affiliation(s)
- Arun Gupta
- Department of Radiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, United States
| | - Ji Yong Park
- Cancer Research Institute, Seoul National University, 03080 Seoul, Republic of Korea
- Department of Nuclear Medicine, Seoul National University College of Medicine, 03080 Seoul, Republic of Korea
- Institute of Radiation Medicine, Medical Research Center, Seoul National University College of Medicine, 03080 Seoul, Republic of Korea
| | - Hyunjun Choi
- Department of Radiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, United States
| | - Tae Hyeon Choi
- Department of Nuclear Medicine, Seoul National University College of Medicine, 03080 Seoul, Republic of Korea
| | - Yujin Chung
- Department of Nuclear Medicine, Seoul National University College of Medicine, 03080 Seoul, Republic of Korea
| | - Dong-Hyun Kim
- Department of Radiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, United States
- Department of Biomedical Engineering, McCormick School of Engineering, Evanston, Illinois 60208, United States
- Robert H. Lurie Comprehensive Cancer Center, Chicago, Illinois 60611, United States
| | - Yun-Sang Lee
- Cancer Research Institute, Seoul National University, 03080 Seoul, Republic of Korea
- Department of Nuclear Medicine, Seoul National University College of Medicine, 03080 Seoul, Republic of Korea
- Institute of Radiation Medicine, Medical Research Center, Seoul National University College of Medicine, 03080 Seoul, Republic of Korea
- Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
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Li X, Li L, Wang D, Zhang J, Yi K, Su Y, Luo J, Deng X, Deng F. Fabrication of polymeric microspheres for biomedical applications. MATERIALS HORIZONS 2024; 11:2820-2855. [PMID: 38567423 DOI: 10.1039/d3mh01641b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Polymeric microspheres (PMs) have attracted great attention in the field of biomedicine in the last several decades due to their small particle size, special functionalities shown on the surface and high surface-to-volume ratio. However, how to fabricate PMs which can meet the clinical needs and transform laboratory achievements to industrial scale-up still remains a challenge. Therefore, advanced fabrication technologies are pursued. In this review, we summarize the technologies used to fabricate PMs, including emulsion-based methods, microfluidics, spray drying, coacervation, supercritical fluid and superhydrophobic surface-mediated method and their advantages and disadvantages. We also review the different structures, properties and functions of the PMs and their applications in the fields of drug delivery, cell encapsulation and expansion, scaffolds in tissue engineering, transcatheter arterial embolization and artificial cells. Moreover, we discuss existing challenges and future perspectives for advancing fabrication technologies and biomedical applications of PMs.
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Affiliation(s)
- Xuebing Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China.
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, P. R. China
| | - Luohuizi Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China.
| | - Dehui Wang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China.
| | - Jun Zhang
- Shandong Pharmaceutical Glass Co. Ltd, Zibo, 256100, P. R. China
| | - Kangfeng Yi
- Shandong Pharmaceutical Glass Co. Ltd, Zibo, 256100, P. R. China
| | - Yucai Su
- Shandong Pharmaceutical Glass Co. Ltd, Zibo, 256100, P. R. China
| | - Jing Luo
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China.
| | - Xu Deng
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China.
- Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Shenzhen, 518110, P. R. China
| | - Fei Deng
- Department of Nephrology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China
- Department of Nephrology, Sichuan Provincial People's Hospital Jinniu Hospital, Chengdu Jinniu District People's Hospital, Chengdu 610054, P. R. China.
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Gao F, Rafiq M, Cong H, Yu B, Shen Y. Current research status and development prospects of embolic microspheres containing biological macromolecules and others. Int J Biol Macromol 2024; 267:131494. [PMID: 38608974 DOI: 10.1016/j.ijbiomac.2024.131494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 03/27/2024] [Accepted: 04/08/2024] [Indexed: 04/14/2024]
Abstract
Transcatheter arterial embolization (TACE) has been used in the treatment of malignant tumors, sudden hemorrhage, uterine fibroids, and other diseases, and with advances in imaging techniques and devices, materials science, and drug release technology, more and more embolic agents that are drug-carrying, self-imaging, or have multiple functions are being developed. Microspheres provide safer and more effective therapeutic results as embolic agents, with their unique spherical appearance and good embolic properties. Embolic microspheres are the key to arterial embolization, blocking blood flow and nutrient supply to the tumor target. This review summarizes some of the currently published embolic microspheres, classifies embolic microspheres according to matrix, and summarizes the characteristics of the microsphere materials, the current status of research, directions, and the value of existing and potential applications. It provides a direction to promote the development of embolic microspheres towards multifunctionalization, and provides a reference to promote the research and application of embolic microspheres in the treatment of tumors.
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Affiliation(s)
- Fengyuan Gao
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Muhammad Rafiq
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Hailin Cong
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China; School of Materials Science and Engineering, Shandong University of Technology, Zibo 255000, China.
| | - Bing Yu
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China.
| | - Youqing Shen
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China; Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Center for Bionanoengineering, and Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China
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Liu Y, Lam DMK, Luan M, Zheng W, Ai H. Recent development of oral vaccines (Review). Exp Ther Med 2024; 27:223. [PMID: 38590568 PMCID: PMC11000446 DOI: 10.3892/etm.2024.12511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 02/08/2024] [Indexed: 04/10/2024] Open
Abstract
Oral immunization can elicit an effective immune response and immune tolerance to specific antigens. When compared with the traditional injection route, delivering antigens via the gastrointestinal mucosa offers superior immune effects and compliance, as well as simplicity and convenience, making it a more optimal route for immunization. At present, various oral vaccine delivery systems exist. Certain modified bacteria, such as Salmonella, Escherichia coli and particularly Lactobacillus, are considered promising carriers for oral vaccines. These carriers can significantly enhance immunization efficiency by actively replicating in the intestinal tract following oral administration. The present review provided a discussion of the main mechanisms of oral immunity and the research progress made in the field of oral vaccines. Additionally, it introduced the advantages and disadvantages of the currently more commonly administered injectable COVID-19 vaccines, alongside the latest advancements in this area. Furthermore, recent developments in oral vaccines are summarized, and their potential benefits and side effects are discussed.
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Affiliation(s)
- Ying Liu
- Key Laboratory of Follicular Development and Reproductive Health in Liaoning Province, Jinzhou Medical University, Jinzhou, Liaoning 121000, P.R. China
| | | | - Mei Luan
- Department of Geriatric Medicine, Jinzhou Medical University, Jinzhou, Liaoning 121000, P.R. China
| | - Wenfu Zheng
- Chinese Academy of Sciences Key Lab for Biological Effects of Nanomaterials and Nanosafety, National Center for NanoScience and Technology, Beijing 100190, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Hao Ai
- Key Laboratory of Follicular Development and Reproductive Health in Liaoning Province, Jinzhou Medical University, Jinzhou, Liaoning 121000, P.R. China
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Wu K, Ma S, Xu X, Liu Y, Tian C, Zhang C, Shan J, Li Z, Ren K, Ren J, Han X, Zhao Y. Celecoxib and cisplatin dual-loaded microspheres synergistically enhance transarterial chemoembolization effect of hepatocellular carcinoma. Mater Today Bio 2024; 24:100927. [PMID: 38234462 PMCID: PMC10792487 DOI: 10.1016/j.mtbio.2023.100927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 12/10/2023] [Accepted: 12/18/2023] [Indexed: 01/19/2024] Open
Abstract
Transarterial chemoembolization (TACE) is a first-line treatment for intermediate to advanced-stage liver cancer, with drug-eluting microspheres commonly used as embolic agents. However, currently available drug-eluting microspheres suffer from low drug-loading capacity and limited drug options. In this work, we developed polydopamine-modified polyvinyl alcohol dual-drug-loaded microspheres encapsulating celecoxib and cisplatin (referred to as PCDMS). Physicochemical characterization revealed that the surface of the microspheres displayed increased roughness after polydopamine modification, and celecoxib and cisplatin were successfully loaded onto the microsphere surface. In vitro cell experiments demonstrated that the PCDMS significantly inhibited the proliferation and migration of highly metastatic human liver cancer cells (MHCC-97H) and human liver cancer cells (SMMC-7721). Furthermore, the dual-loaded microspheres exhibited remarkable tumor growth inhibition and reshaped the tumor microenvironment in both subcutaneous H22 liver cancer model in Balb/c mice and intrahepatic VX2 tumor model in New Zealand rabbits, demonstrating a synergistic antitumor effect where 1 + 1>2. This work provides a potential therapeutic approach for the treatment of refractory liver cancer and holds significant translational potential.
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Affiliation(s)
- Kunpeng Wu
- Department of Interventional Radiology, Key Laboratory of Interventional Radiology of Henan Province, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, 450052, China
| | - Shengnan Ma
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Xiaohong Xu
- Department of Interventional Radiology, Key Laboratory of Interventional Radiology of Henan Province, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, 450052, China
| | - Yiming Liu
- Department of Interventional Radiology, Key Laboratory of Interventional Radiology of Henan Province, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, 450052, China
| | - Chuan Tian
- Department of Interventional Medical Center, the Affiliated Hospital of Qingdao University, No. 1677 Wutaishan Road, Shandong, 266000, Qingdao, China
| | - Chengzhi Zhang
- Department of Interventional Radiology, Key Laboratory of Interventional Radiology of Henan Province, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, 450052, China
| | - Jiheng Shan
- Department of Interventional Radiology, Key Laboratory of Interventional Radiology of Henan Province, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, 450052, China
| | - Zongming Li
- Department of Interventional Radiology, Key Laboratory of Interventional Radiology of Henan Province, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, 450052, China
| | - Kewei Ren
- Department of Interventional Radiology, Key Laboratory of Interventional Radiology of Henan Province, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, 450052, China
| | - Jianzhuang Ren
- Department of Interventional Radiology, Key Laboratory of Interventional Radiology of Henan Province, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, 450052, China
| | - Xinwei Han
- Department of Interventional Radiology, Key Laboratory of Interventional Radiology of Henan Province, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, 450052, China
| | - Yanan Zhao
- Department of Interventional Radiology, Key Laboratory of Interventional Radiology of Henan Province, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Institute of Zhengzhou University, Zhengzhou, 450052, China
- Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, 450052, China
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Rastegar G, Salman MM, Sirsi SR. Remote Loading: The Missing Piece for Achieving High Drug Payload and Rapid Release in Polymeric Microbubbles. Pharmaceutics 2023; 15:2550. [PMID: 38004529 PMCID: PMC10675060 DOI: 10.3390/pharmaceutics15112550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/23/2023] [Accepted: 10/24/2023] [Indexed: 11/26/2023] Open
Abstract
The use of drug-loaded microbubbles for targeted drug delivery, particularly in cancer treatment, has been extensively studied in recent years. However, the loading capacity of microbubbles has been limited due to their surface area. Typically, drug molecules are loaded on or within the shell, or drug-loaded nanoparticles are coated on the surfaces of microbubbles. To address this significant limitation, we have introduced a novel approach. For the first time, we employed a transmembrane ammonium sulfate and pH gradient to load doxorubicin in a crystallized form in the core of polymeric microcapsules. Subsequently, we created remotely loaded microbubbles (RLMBs) through the sublimation of the liquid core of the microcapsules. Remotely loaded microcapsules exhibited an 18-fold increase in drug payload compared with physically loaded microcapsules. Furthermore, we investigated the drug release of RLMBs when exposed to an ultrasound field. After 120 s, an impressive 82.4 ± 5.5% of the loaded doxorubicin was released, demonstrating the remarkable capability of remotely loaded microbubbles for on-demand drug release. This study is the first to report such microbubbles that enable rapid drug release from the core. This innovative technique holds great promise in enhancing drug loading capacity and advancing targeted drug delivery.
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Affiliation(s)
| | | | - Shashank R. Sirsi
- Department of Bioengineering, Erik Johnson School of Engineering, The University of Texas at Dallas, Richardson, TX 75080, USA; (G.R.); (M.M.S.)
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