TGF‐β signaling pathway in spinal cord injury: Mechanisms and therapeutic potential

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Abstract
Spinal cord injury (SCI) is a highly disabling central nervous system injury with a complex pathological process, resulting in severe sensory and motor dysfunction. The current treatment modalities only alleviate its symptoms and cannot effectively intervene or treat its pathological process. Many studies have reported that the transforming growth factor (TGF)‐β signaling pathway plays an important role in neuronal differentiation, growth, survival, and axonal regeneration after central nervous system injury. Furthermore, the TGF‐β signaling pathway has a vital regulatory role in SCI pathophysiology and neural regeneration. Following SCI, regulation of the TGF‐β signaling pathway can suppress inflammation, reduce apoptosis, prevent glial scar formation, and promote neural regeneration. Due to its role in SCI, the TGF‐β signaling pathway could be a potential therapeutic target. This article reported the pathophysiology of SCI, the characteristics of the TGF‐β signaling pathway, the role of the TGF‐β signaling pathway in SCI, and the latest evidence for targeting the TGF‐β signaling pathway for treating SCI. In addition, the limitations and difficulties in TGF‐β signaling pathway research in SCI are discussed, and solutions are provided to address these potential challenges. We hope this will provide a reference for the TGF‐β signaling pathway and SCI research, offering a theoretical basis for targeted therapy of SCI.
Funding Information
  • National Natural Science Foundation of China

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