| abstract |
The present invention relates to the stem cell of the trophoderm basal layer (basal portion of chorionic trophoblast layer, bCT) from the microscopic structure as placenta and include its cellular therapeutic agent.Compared with the existing stem cell for deriving from entire placenta or other tissues, stem cell from trophoderm basal layer of the invention has homogeneous growth characteristics, outstanding multiplication characteristic and differentiation characteristic, there is outstanding regeneration effect in tissue defect animal model, so as to effectively serve as cellular therapeutic agent. |