(102)  Multiple sclerosis  Embryonic stem cells Bone marrow  None  Mice  ↓Clinical score↓Disease incidence↑Motor functions Effectiveness embryonic stem cells-derived MSCs > effectiveness bone marrow-derived MSCs  ↓IFN-γ+CD4+ Th1 cells into the central nervous system↓IL-17+CD4+ Th17 cells into the central nervous system↓T lymphocyte proliferation↓B lymphocyte proliferation↑PD-L1 expression