ReviewPublished 30 September 2026MSC-derived extracellular vesicles for spinal cord injury: inflammatory microenvironment modulation, stage-dependent repair mechanisms, and translational challengesHang Yu · Yifan Liu · Shulong Yin · Haoyue Hu · Linquan Li · Taotao Zhu · Jie Liu · Sheng Liu · Chenxi Zhao · Shiqing FengFrontiers in Cellular Neurosciencedoi 10.3389/fncel.2026.1960271