Engineered macrophage nanoparticles enhance microwave ablation efficacy in osteosarcoma via targeting the CD47-SIRPα Axis: A novel Biomimetic immunotherapeutic approach

Osteosarcoma (OS) is a lethal bone tumor that primarily affects adolescents. OS is characterized by a high incidence of recurrence following surgical intervention, which is attributed to the presence of residual microscopic disease. Tumor-associated macrophages, which dominate the tumor microenviron...

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Main Authors: Xiongfa Ji, Xin Qian, Guowen Luo, Wenjie Yang, Wenhan Huang, Zehua Lei, Jiaqi Zhou, Guoqing Zhong, Jielong Zhou, Nan Liu, Limin Ma, Mei Li, Xiangmei Liu, Shuilin Wu, Yu Zhang
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Language:English
Published: KeAi Communications Co., Ltd. 2025-05-01
Series:Bioactive Materials
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Online Access:http://www.sciencedirect.com/science/article/pii/S2452199X25000118
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author Xiongfa Ji
Xin Qian
Guowen Luo
Wenjie Yang
Wenhan Huang
Zehua Lei
Jiaqi Zhou
Guoqing Zhong
Jielong Zhou
Nan Liu
Limin Ma
Mei Li
Xiangmei Liu
Shuilin Wu
Yu Zhang
author_facet Xiongfa Ji
Xin Qian
Guowen Luo
Wenjie Yang
Wenhan Huang
Zehua Lei
Jiaqi Zhou
Guoqing Zhong
Jielong Zhou
Nan Liu
Limin Ma
Mei Li
Xiangmei Liu
Shuilin Wu
Yu Zhang
author_sort Xiongfa Ji
collection DOAJ
description Osteosarcoma (OS) is a lethal bone tumor that primarily affects adolescents. OS is characterized by a high incidence of recurrence following surgical intervention, which is attributed to the presence of residual microscopic disease. Tumor-associated macrophages, which dominate the tumor microenvironment, often suppress immune responses and facilitate tumor progression and recurrence. This study developed an innovative nanotherapeutic approach by utilizing genetically engineered macrophage membranes with M1 polarization, stably overexpressing signal regulatory protein alpha (SIRPα), to encapsulate microwave-responsive nano-Prussian blue (SIRPα-M@nanoPB) nanoparticles. These nanoparticles induce tumor cell death selectively through hyperthermia and microwave dynamic effects upon targeted microwave irradiation. It is of critical importance to note that the enhancement of SIRPα on the nanoparticle surface actively targets and binds CD47 of tumor cells, thereby disrupting the ''don't-eat-me'' signal and effectively countering the immunosuppressive tumor environment. This action restores macrophage phagocytosis with M1 polarization, triggering potent immune responses. Our strategy holds considerable promise when it comes to improving the efficacy of microwave ablation through immune modulation, while reducing thermal damage to adjacent normal tissue and minimizing the risk of tumor recurrence. Thus, it offers a significant advancement in microwave therapies for patients with OS.
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spelling doaj-art-1a3aa4540884444584b5ca7b58c773122025-01-26T05:04:27ZengKeAi Communications Co., Ltd.Bioactive Materials2452-199X2025-05-0147248265Engineered macrophage nanoparticles enhance microwave ablation efficacy in osteosarcoma via targeting the CD47-SIRPα Axis: A novel Biomimetic immunotherapeutic approachXiongfa Ji0Xin Qian1Guowen Luo2Wenjie Yang3Wenhan Huang4Zehua Lei5Jiaqi Zhou6Guoqing Zhong7Jielong Zhou8Nan Liu9Limin Ma10Mei Li11Xiangmei Liu12Shuilin Wu13Yu Zhang14Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, ChinaBeijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, No.168 Litang Road, Changping District, 100000, Beijing, ChinaDepartment of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China; Guang Dong Engineering Technology Research Center of Functional, Repair of Bone Defects and Biomaterials, 510080, Guangzhou, China; Medical Research Center, Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, ChinaDepartment of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China; Guang Dong Engineering Technology Research Center of Functional, Repair of Bone Defects and Biomaterials, 510080, Guangzhou, China; Medical Research Center, Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, ChinaDepartment of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China; Guang Dong Engineering Technology Research Center of Functional, Repair of Bone Defects and Biomaterials, 510080, Guangzhou, China; Medical Research Center, Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, ChinaDepartment of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China; Medical Research Center, Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, ChinaDepartment of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China; Guang Dong Engineering Technology Research Center of Functional, Repair of Bone Defects and Biomaterials, 510080, Guangzhou, China; Medical Research Center, Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, ChinaDepartment of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China; Guang Dong Engineering Technology Research Center of Functional, Repair of Bone Defects and Biomaterials, 510080, Guangzhou, China; Medical Research Center, Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, ChinaDepartment of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China; Guang Dong Engineering Technology Research Center of Functional, Repair of Bone Defects and Biomaterials, 510080, Guangzhou, China; Medical Research Center, Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, ChinaDepartment of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, ChinaDepartment of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China; Guang Dong Engineering Technology Research Center of Functional, Repair of Bone Defects and Biomaterials, 510080, Guangzhou, China; Medical Research Center, Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, ChinaDepartment of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China; Guang Dong Engineering Technology Research Center of Functional, Repair of Bone Defects and Biomaterials, 510080, Guangzhou, China; Medical Research Center, Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China; Corresponding author. Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China.School of Health Science & Biomedical Engineering, Hebei University of Technology, Xiping Avenue 5340, 300401, Tianjin, China; Corresponding author.School of Materials Science & Engineering, Peking University, Yi-He-Yuan Road 5, 100871, Beijing, China; Corresponding author.Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China; Guang Dong Engineering Technology Research Center of Functional, Repair of Bone Defects and Biomaterials, 510080, Guangzhou, China; Medical Research Center, Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China; Corresponding author. Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, 510080, Guangzhou, China.Osteosarcoma (OS) is a lethal bone tumor that primarily affects adolescents. OS is characterized by a high incidence of recurrence following surgical intervention, which is attributed to the presence of residual microscopic disease. Tumor-associated macrophages, which dominate the tumor microenvironment, often suppress immune responses and facilitate tumor progression and recurrence. This study developed an innovative nanotherapeutic approach by utilizing genetically engineered macrophage membranes with M1 polarization, stably overexpressing signal regulatory protein alpha (SIRPα), to encapsulate microwave-responsive nano-Prussian blue (SIRPα-M@nanoPB) nanoparticles. These nanoparticles induce tumor cell death selectively through hyperthermia and microwave dynamic effects upon targeted microwave irradiation. It is of critical importance to note that the enhancement of SIRPα on the nanoparticle surface actively targets and binds CD47 of tumor cells, thereby disrupting the ''don't-eat-me'' signal and effectively countering the immunosuppressive tumor environment. This action restores macrophage phagocytosis with M1 polarization, triggering potent immune responses. Our strategy holds considerable promise when it comes to improving the efficacy of microwave ablation through immune modulation, while reducing thermal damage to adjacent normal tissue and minimizing the risk of tumor recurrence. Thus, it offers a significant advancement in microwave therapies for patients with OS.http://www.sciencedirect.com/science/article/pii/S2452199X25000118OsteosarcomaNano prussian blueMacrophage cell membraneMicrowave responsive
spellingShingle Xiongfa Ji
Xin Qian
Guowen Luo
Wenjie Yang
Wenhan Huang
Zehua Lei
Jiaqi Zhou
Guoqing Zhong
Jielong Zhou
Nan Liu
Limin Ma
Mei Li
Xiangmei Liu
Shuilin Wu
Yu Zhang
Engineered macrophage nanoparticles enhance microwave ablation efficacy in osteosarcoma via targeting the CD47-SIRPα Axis: A novel Biomimetic immunotherapeutic approach
Bioactive Materials
Osteosarcoma
Nano prussian blue
Macrophage cell membrane
Microwave responsive
title Engineered macrophage nanoparticles enhance microwave ablation efficacy in osteosarcoma via targeting the CD47-SIRPα Axis: A novel Biomimetic immunotherapeutic approach
title_full Engineered macrophage nanoparticles enhance microwave ablation efficacy in osteosarcoma via targeting the CD47-SIRPα Axis: A novel Biomimetic immunotherapeutic approach
title_fullStr Engineered macrophage nanoparticles enhance microwave ablation efficacy in osteosarcoma via targeting the CD47-SIRPα Axis: A novel Biomimetic immunotherapeutic approach
title_full_unstemmed Engineered macrophage nanoparticles enhance microwave ablation efficacy in osteosarcoma via targeting the CD47-SIRPα Axis: A novel Biomimetic immunotherapeutic approach
title_short Engineered macrophage nanoparticles enhance microwave ablation efficacy in osteosarcoma via targeting the CD47-SIRPα Axis: A novel Biomimetic immunotherapeutic approach
title_sort engineered macrophage nanoparticles enhance microwave ablation efficacy in osteosarcoma via targeting the cd47 sirpα axis a novel biomimetic immunotherapeutic approach
topic Osteosarcoma
Nano prussian blue
Macrophage cell membrane
Microwave responsive
url http://www.sciencedirect.com/science/article/pii/S2452199X25000118
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