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Liang Y, Wang PY, Liu ZY, Sun HF, Wang Q, Sun GB, Zhang X, Li YJ, Xie SY. Dual Stimuli-Responsive Micelles for Imaging-Guided Mitochondrion-Targeted Photothermal/Photodynamic/Chemo Combination Therapy-Induced Immunogenic Cell Death. Int J Nanomedicine 2023; 18:4381-4402. [PMID: 37551273 PMCID: PMC10404442 DOI: 10.2147/ijn.s410047] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 07/14/2023] [Indexed: 08/09/2023] Open
Abstract
Introduction As the special modality of cell death, immunogenic cell death (ICD) could activate immune response. Phototherapy in combination with chemotherapy (CT) is a particularly efficient tumor ICD inducing method that could overcome the defects of monotherapies. Methods In this study, new dual stimuli-responsive micelles were designed and prepared for imaging-guided mitochondrion-targeted photothermal/photodynamic/CT combination therapy through inducing ICD. A dual-sensitive methoxy-polyethylene glycol-SS-poly(L-γ-glutamylglutamine)-SS-IR780 (mPEG-SS-PGG-SS-IR780) polymer was synthesized by grafting IR780 with biodegradable di-carboxyl PGG as the backbone, and mPEG-SS-PGG-SS-IR780/paclitaxel micelles (mPEG-SS-PGG-SS-IR780/PTXL MCs) were synthesized by encapsulating PTXL in the hydrophobic core. Results In-vivo and -vitro results demonstrated that the three-mode combination micelles inhibited tumor growth and enhanced the therapeutic efficacy of immunotherapy. The dual stimuli-responsive mPEG-SS-PGG-SS-IR780/PTXL MCs were able to facilitate tumor cell endocytosis of nanoparticles. They were also capable of promoting micelles disintegration and accelerating PTXL release. The mPEG-SS-PGG-SS-IR780/PTXL MCs induced mitochondrial dysfunction by directly targeting the mitochondria, considering the thermo- and reactive oxygen species (ROS) sensitivity of the mitochondria. Furthermore, the mPEG-SS-PGG-SS-IR780/PTXL MCs could play the diagnostic and therapeutic roles via imaging capabilities. Conclusion In summary, this study formulated a high-efficiency nanoscale platform with great potential in combined therapy for tumors through ICD.
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Affiliation(s)
- Yan Liang
- Department of Biochemistry and Molecular Biology, Binzhou Medical University, YanTai, ShanDong, 264003, People’s Republic of China
- Department of Physiology and Pathophysiology, School of Basic Medicine, Qingdao University, QingDao, ShanDong, 266071, People’s Republic of China
| | - Ping-Yu Wang
- Department of Biochemistry and Molecular Biology, Binzhou Medical University, YanTai, ShanDong, 264003, People’s Republic of China
| | - Ze-Yun Liu
- School of International Studies, Binzhou Medical University, YanTai, ShanDong, 264003, People’s Republic of China
| | - Hong-Fang Sun
- Department of Biochemistry and Molecular Biology, Binzhou Medical University, YanTai, ShanDong, 264003, People’s Republic of China
| | - Qin Wang
- Department of Biochemistry and Molecular Biology, Binzhou Medical University, YanTai, ShanDong, 264003, People’s Republic of China
| | - Guang-Bin Sun
- Department of Biochemistry and Molecular Biology, Binzhou Medical University, YanTai, ShanDong, 264003, People’s Republic of China
| | - Xia Zhang
- Department of Biochemistry and Molecular Biology, Binzhou Medical University, YanTai, ShanDong, 264003, People’s Republic of China
| | - You-Jie Li
- Department of Biochemistry and Molecular Biology, Binzhou Medical University, YanTai, ShanDong, 264003, People’s Republic of China
| | - Shu-Yang Xie
- Department of Biochemistry and Molecular Biology, Binzhou Medical University, YanTai, ShanDong, 264003, People’s Republic of China
- Department of Physiology and Pathophysiology, School of Basic Medicine, Qingdao University, QingDao, ShanDong, 266071, People’s Republic of China
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