Exosomes derived from vMIP-II-Lamp2b gene-modified M2 cells provide neuroprotection by targeting the injured spinal cord, inhibiting chemokine signals and modulating microglia/macrophage polarization in mice

Gui-Qiang Fu, Yangyang Wang, Yao-Mei Xu, Mingming Bian, Lin Zhang, Hua-Zheng Yan, Jianxiong Gao, Jinglu Li, Yuqing Chen, Nan Zhang, Shu‐Qin Ding, Rui Wang, Jiang-Yan Li, Jianguo Hu, He‐Zuo Lü