首页|Nanoparticles for the treatment of spinal cord injury
Nanoparticles for the treatment of spinal cord injury
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Spinal cord injuries lead to significant loss of motor,sensory,and autonomic functions,presenting major challenges in neural regeneration.Achieving effective therapeutic concentrations at injury sites has been a slow process,partly due to the difficulty of delivering drugs effectively.Nanoparticles,with their targeted delivery capabilities,biocompatibility,and enhanced bioavailability over conventional drugs,are garnering attention for spinal cord injury treatment.This review explores the current mechanisms and shortcomings of existing treatments,highlighting the benefits and progress of nanoparticle-based approaches.We detail nanoparticle delivery methods for spinal cord injury,including local and intravenous injections,oral delivery,and biomaterial-assisted implantation,alongside strategies such as drug loading and surface modification.The discussion extends to how nanoparticles aid in reducing oxidative stress,dampening inflammation,fostering neural regeneration,and promoting angiogenesis.We summarize the use of various types of nanoparticles for treating spinal cord injuries,including metallic,polymeric,protein-based,inorganic non-metallic,and lipid nanoparticles.We also discuss the challenges faced,such as biosafety,effectiveness in humans,precise dosage control,standardization of production and characterization,immune responses,and targeted delivery in vivo.Additionally,we explore future directions,such as improving biosafety,standardizing manufacturing and characterization processes,and advancing human trials.Nanoparticles have shown considerable progress in targeted delivery and enhancing treatment efficacy for spinal cord injuries,presenting significant potential for clinical use and drug development.
Department of Orthopedic Surgery,The First Affiliated Hospital of Zhengzhou University,Zhengzhou,Henan Province,China
CAS Key Laboratory of Standardization and Measurement for Nanotechnology,CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety,CAS Center for Excellence in Nanoscience,National Center for Nanoscience and Technology,Beijing,China
University of Chinese Academy of Sciences,Beijing,China
Department of Neurosurgery,The First Affiliated Hospital of Chongqing Medical University,Chongqing,China
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