The spheres were collected at 5 days and dissociated into single cells, and placed in DMEM supplemented 20% fetal calf serum (FCS).の
single cellsとAfter 7–14 days, muscle cells were stained のmuscle cells とどういう関係にあるのかね?そもそも、The spheres ってどの組織から
得られたものなのかね?