Drug‐Free “Triboelectric Immunotherapy” Activating Immunity for Osteomyelitis Treatment and Recurrence Prevention
Abstract: Treatment of osteomyelitis is clinically challenging with low therapeutic efficacy and high risk of recurrence owing to the immunosuppressive microenvironment. Existing therapies are limited by drug concentration and single regulatory effect on the immune network, and emphasize the role of anti‐inflammatory effects in reducing osteoclast rather than the role of proinflammatory effects in accelerating infection clearance, which is not conducive to complete bacteria elimination and recurrence prevention. Herein, a direct‐current triboelectric nanogenerator (DC‐TENG) is established to perform antibacterial effects and modulate immunological properties of infectious microenvironments of osteomyelitis through electrical stimulation, namely triboelectric immunotherapy. Seeing from the results, the triboelectric immunotherapy successfully activates polarization to proinflammatory (M1) macrophages in vitro, accompanied by satisfying direct antibacterial effects. The antibacterial and osteogenic abilities of triboelectric immunotherapy are verified in rat cranial osteomyelitis models. The effects on the polarization and differentiation of immune‐related cells in vivo are investigated by establishing in situ tibial osteomyelitis models and immunosurveillance models in C57 mice respectively, indicating the ability of activating immunity and producing immunological memory for in situ infection and secondary recurrence, thus accelerating healing and preventing relapse. This study provides an efficient, long‐acting, multifunctional, and wearable triboelectric immunotherapy strategy for drug‐free osteomyelitis treatment systems.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Drug‐Free “Triboelectric Immunotherapy” Activating Immunity for Osteomyelitis Treatment and Recurrence Prevention ; day:30 ; month:08 ; year:2024 ; extent:14
Advanced materials ; (30.08.2024) (gesamt 14)
- Creator
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Yuan, Ying
Li, Haimei
Song, Yuchen
Zhang, Dong
Wang, Zheng
Yi, Xinzeyu
Qi, Baiwen
Zhang, Xianzheng
Jiang, Peng
Yu, Aixi
- DOI
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10.1002/adma.202408473
- URN
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urn:nbn:de:101:1-2408301442377.256065849813
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:28 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Yuan, Ying
- Li, Haimei
- Song, Yuchen
- Zhang, Dong
- Wang, Zheng
- Yi, Xinzeyu
- Qi, Baiwen
- Zhang, Xianzheng
- Jiang, Peng
- Yu, Aixi
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