Engineered small extracellular vesicles for targeted delivery of perlecan to stabilise the blood–spinal cord barrier after spinal cord injury. - Peng, Wei; Zhang, Wentao; Cui, Wei; Chen, Wenjin; Zhuang, Yin; Chu, Rupeng; Tan, Jinghua; Xue, Jingbo; Yan, Yiguo; Yin, Guoyong; Zhang, Shujun; Xie, Yong (Clinical & Translational Medicine, 2025)