Abstract STEM CELL SUSPENSIONThe present invention provides a mammalian stem cell5 suspension containing mammalian stem cells and at least one polysaccharide such as trehalose, and the like； a mammalian stem cell aggregation inhibitor containing polysaccharide such as trehalose, and the like； a method of suppressing aggregation of mammalian stem cells, containing suspending the mammalian/o stem cells in an aqueous physiological solution containing polysaccharide； an inhibitor of a decrease in the survival rate of mammalian stem cells containing polysaccharide such as trehalose and the like； a method of suppressing a decrease in the survival rate of mammalian stem cells, containing/5 suspending the mammalian stem cells in an aqueous physiological solution containing polysaccharides, and the like.(No figure to accompany Abstract)
