... (bothfor naive and memory T cells) , cytotoxic T-lymphocyteformation, IFN-γ production by Th1 cells, and interleukin-4 pro-duction by Th2 cells. [39,40]. The ability to decrease IFN-γproduction, ... ofmesenchymal progenitors. Stem Cells 2005, 23:220-229.26. Yen BL, Huang HI, Chien CC, Jui HY, Ko BS, Yao M, Shun CT, YenML, Lee MC, Chen YC: Isolation of multipotent cells from human term ... generallyobserved: (a) fibroblast-like spindle-shaped morphology, (b)round morphology and large nuclei (monocytic contamina-tion), and (c) very small, epitheloid cells with polygonal mor-phology...