Additional file 1 of Mesenchymal stem cell-derived exosomes improve motor function and attenuate neuropathology in a mouse model of Machado-Joseph disease

Additional file 1: Figure S1. Characterization of human induced pluripotent stem cell-derived mesenchymal stem cells. (a) Morphology of iPSC-MSCs (original magnification, 100×). (b) The MSC surface markers in iPSC-MSCs by flow cytometry. Cells were harvested at passage 9.