Mesenchymal stem cell-derived exosomes improve motor function and attenuate neuropathology in a mouse model of Machado-Joseph disease oleh Hua-Jing You, Shu-Bin Fang, Teng-Teng Wu, Hongyu Zhang, Yu-Kun Feng, Xue-Jiao Li, Hui-Hua Yang, Ge Li, Xun-Hua Li, Chao Wu, Qing-Ling Fu, Zhong Pei