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Wu D, Ji W, Xu S, Li Y, Ji Y, Fu K, Yang G. Near-infrared Light-Triggered Size-Shrinkable theranostic nanomicelles for effective tumor targeting and regression. Int J Pharm 2024; 658:124203. [PMID: 38705249 DOI: 10.1016/j.ijpharm.2024.124203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 04/03/2024] [Accepted: 05/03/2024] [Indexed: 05/07/2024]
Abstract
Most nanomedicines with suitable sizes (normally 100-200 nm) exhibit favorable accumulation in the periphery of tumors but hardly penetrate into deep tumors. Effective penetration of nanomedicines requires smaller sizes (less than 30 nm) to overcome the elevated tumor interstitial fluid pressure. Moreover, integrating an efficient diagnostic agent in the nanomedicines is in high demand for precision theranostics of tumors. To this end, a near-infrared light (NIR) -triggered size-shrinkable micelle system (Fe3O4@AuNFs/DOX-M) coloaded antitumor drug doxorubicin (DOX) and biomodal imaging agent magnetic gold nanoflower (Fe3O4@AuNFs) was developed to achieve efficient theranostic of tumors. Upon the accumulation of Fe3O4@AuNFs/DOX-M in the tumor periphery, a NIR laser was irradiated near the tumor sites, and the loaded Fe3O4@Au NFs could convert the light energy to heat, which triggered the cleavage of DOX-M to the ultra-small micelles (∼5 nm), thus realizing the deep penetration of micelles and on-demand drug release. Moreover, Fe3O4@AuNFs in the micelles could also be used as CT/MRI dual-modal contrast agent to "visualize" the tumor. Up to 92.6 % of tumor inhibition was achieved for the developed Fe3O4@AuNFs/DOX-M under NIR irradiation. This versatile micelle system provided a promising drug carrier platform realizing efficient tumor dual-modal diagnosis and photothermal-chemotherapy integration.
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Affiliation(s)
- Danjun Wu
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Weili Ji
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China
| | - Shumin Xu
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yazhen Li
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yaning Ji
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China
| | - Kaili Fu
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China
| | - Gensheng Yang
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China.
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Bonlawar J, Setia A, Challa RR, Vallamkonda B, Mehata AK, Vaishali, Viswanadh MK, Muthu MS. Targeted Nanotheransotics: Integration of Preclinical MRI and CT in the Molecular Imaging and Therapy of Advanced Diseases. Nanotheranostics 2024; 8:401-426. [PMID: 38751937 PMCID: PMC11093717 DOI: 10.7150/ntno.95791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 03/29/2024] [Indexed: 05/18/2024] Open
Abstract
The integration of preclinical magnetic resonance imaging (MRI) and computed tomography (CT) methods has significantly enhanced the area of therapy and imaging of targeted nanomedicine. Nanotheranostics, which make use of nanoparticles, are a significant advancement in MRI and CT imaging. In addition to giving high-resolution anatomical features and functional information simultaneously, these multifunctional agents improve contrast when used. In addition to enabling early disease detection, precise localization, and personalised therapy monitoring, they also enable early disease detection. Fusion of MRI and CT enables precise in vivo tracking of drug-loaded nanoparticles. MRI, which provides real-time monitoring of nanoparticle distribution, accumulation, and release at the cellular and tissue levels, can be used to assess the efficacy of drug delivery systems. The precise localization of nanoparticles within the body is achievable through the use of CT imaging. This technique enhances the capabilities of MRI by providing high-resolution anatomical information. CT also allows for quantitative measurements of nanoparticle concentration, which is essential for evaluating the pharmacokinetics and biodistribution of nanomedicine. In this article, we emphasize the integration of preclinical MRI and CT into molecular imaging and therapy for advanced diseases.
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Affiliation(s)
- Jyoti Bonlawar
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi-221005, India
| | - Aseem Setia
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi-221005, India
| | - Ranadheer Reddy Challa
- Department of Pharmaceutical Science, School of Applied Sciences and Humanities, VIGNAN'S Foundation for Science, Technology & Research, Vadlamudi, Andhra Pradesh, India
| | - Bhaskar Vallamkonda
- Department of Pharmaceutical Science, School of Applied Sciences and Humanities, VIGNAN'S Foundation for Science, Technology & Research, Vadlamudi, Andhra Pradesh, India
| | - Abhishesh Kumar Mehata
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi-221005, India
| | - Vaishali
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi-221005, India
| | - Matte Kasi Viswanadh
- Department of Pharmaceutics, KL College of Pharmacy, Koneru Lakshmaiah Education Foundation, Greenfields, Vaddeswaram 522302, AP, India
| | - Madaswamy S Muthu
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi-221005, India
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Zheng LX, Yu Q, Li Q, Zheng CD. Targeted local anesthesia: a novel slow-release Fe 3O 4-lidocaine-PLGA microsphere endowed with a magnetic targeting function. J Anesth 2024; 38:232-243. [PMID: 38310577 DOI: 10.1007/s00540-023-03305-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 12/25/2023] [Indexed: 02/06/2024]
Abstract
PURPOSE Lidocaine microspheres can prolong the analgesic time to 24-48 h, which still cannot meet the need of postoperative analgesia lasting more than 3 days. Therefore, we added Fe3O4 to the lidocaine microspheres and used an applied magnetic field to attract Fe3O4 to fix the microspheres around the target nerves, reducing the diffusion of magnetic lidocaine microspheres to the surrounding tissues and prolonging the analgesic time. METHODS Fe3O4-lidocaine-PLGA microspheres were prepared by the complex-emulsion volatilization method to characterize and study the release properties in vitro. The neural anchoring properties and in vivo morphology of the drug were obtained by magnetic resonance imaging. The nerve blocking effect and analgesic effect of magnetic lidocaine microspheres were evaluated by animal experiments. RESULTS The mean diameter of magnetically responsive lidocaine microspheres: 9.04 ± 3.23 μm. The encapsulation and drug loading of the microspheres were 46.18 ± 3.26% and 6.02 ± 1.87%, respectively. Magnetic resonance imaging showed good imaging of Fe3O4-Lidocain-PLGA microspheres, a drug-carrying model that slowed down the diffusion of the microspheres in the presence of an applied magnetic field. Animal experiments demonstrated that this preparation had a significantly prolonged nerve block, analgesic effect, and a nerve anchoring function. CONCLUSION Magnetically responsive lidocaine microspheres can prolong analgesia by slowly releasing lidocaine, which can be immobilized around the nerve by a magnetic field on the body surface, avoiding premature diffusion of the microspheres to surrounding tissues and improving drug targeting.
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Affiliation(s)
- Ling-Xi Zheng
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu, 610031, Sichuan, China
| | - Qian Yu
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu, 610031, Sichuan, China
| | - Qiang Li
- Department of Anesthesiology, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, 19 Yangshi Street, Qingyang District, Chengdu, 610031, Sichuan, China
| | - Chuan-Dong Zheng
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu, 610031, Sichuan, China.
- Department of Anesthesiology, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, 19 Yangshi Street, Qingyang District, Chengdu, 610031, Sichuan, China.
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Yue H, Zhao D, Tegafaw T, Ahmad MY, Saidi AKAA, Liu Y, Cha H, Yang BW, Chae KS, Nam SW, Chang Y, Lee GH. Core-Shell Fe 3O 4@C Nanoparticles as Highly Effective T 2 Magnetic Resonance Imaging Contrast Agents: In Vitro and In Vivo Studies. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:177. [PMID: 38251140 PMCID: PMC10819740 DOI: 10.3390/nano14020177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/08/2024] [Accepted: 01/09/2024] [Indexed: 01/23/2024]
Abstract
Magnetite nanoparticles (Fe3O4 NPs) have been intensively investigated because of their potential biomedical applications due to their high saturation magnetization. In this study, core-shell Fe3O4@C NPs (core = Fe3O4 NPs and shell = amorphous carbons, davg = 35.1 nm) were synthesized in an aqueous solution. Carbon coating terminated with hydrophilic -OH and -COOH groups imparted excellent biocompatibility and hydrophilicity to the NPs, making them suitable for biomedical applications. The Fe3O4@C NPs exhibited ideal relaxometric properties for T2 magnetic resonance imaging (MRI) contrast agents (i.e., high transverse and negligible longitudinal water proton spin relaxivities), making them exclusively induce only T2 relaxation. Their T2 MRI performance as contrast agents was confirmed in vivo by measuring T2 MR images in mice before and after intravenous injection.
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Affiliation(s)
- Huan Yue
- Department of Chemistry, College of Natural Sciences, Kyungpook National University, Taegu 41566, Republic of Korea; (H.Y.); (D.Z.); (T.T.); (M.Y.A.); (A.K.A.A.S.); (Y.L.)
| | - Dejun Zhao
- Department of Chemistry, College of Natural Sciences, Kyungpook National University, Taegu 41566, Republic of Korea; (H.Y.); (D.Z.); (T.T.); (M.Y.A.); (A.K.A.A.S.); (Y.L.)
| | - Tirusew Tegafaw
- Department of Chemistry, College of Natural Sciences, Kyungpook National University, Taegu 41566, Republic of Korea; (H.Y.); (D.Z.); (T.T.); (M.Y.A.); (A.K.A.A.S.); (Y.L.)
| | - Mohammad Yaseen Ahmad
- Department of Chemistry, College of Natural Sciences, Kyungpook National University, Taegu 41566, Republic of Korea; (H.Y.); (D.Z.); (T.T.); (M.Y.A.); (A.K.A.A.S.); (Y.L.)
| | - Abdullah Khamis Ali Al Saidi
- Department of Chemistry, College of Natural Sciences, Kyungpook National University, Taegu 41566, Republic of Korea; (H.Y.); (D.Z.); (T.T.); (M.Y.A.); (A.K.A.A.S.); (Y.L.)
| | - Ying Liu
- Department of Chemistry, College of Natural Sciences, Kyungpook National University, Taegu 41566, Republic of Korea; (H.Y.); (D.Z.); (T.T.); (M.Y.A.); (A.K.A.A.S.); (Y.L.)
| | - Hyunsil Cha
- Division of Biomedical Science, School of Medicine, Kyungpook National University, Taegu 41944, Republic of Korea;
| | - Byeong Woo Yang
- Theranocure, Medlifescience Bldg. 1, Chilgok, Bukgu, Taegu 41405, Republic of Korea;
| | - Kwon Seok Chae
- Department of Biology Education, Teachers’ College, Kyungpook National University, Taegu 41566, Republic of Korea;
| | - Sung-Wook Nam
- Department of Molecular Medicine, School of Medicine, Kyungpook National University, Taegu 41944, Republic of Korea;
| | - Yongmin Chang
- Department of Molecular Medicine, School of Medicine, Kyungpook National University, Taegu 41944, Republic of Korea;
| | - Gang Ho Lee
- Department of Chemistry, College of Natural Sciences, Kyungpook National University, Taegu 41566, Republic of Korea; (H.Y.); (D.Z.); (T.T.); (M.Y.A.); (A.K.A.A.S.); (Y.L.)
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