Human pluripotent stem cells(PSCs)such as embryonic stem cells(ESCs)and induced pluripotent stem cells(iPSCs)hold great promise in regenerative medicine as they are an important source of functional cells for potentia...Human pluripotent stem cells(PSCs)such as embryonic stem cells(ESCs)and induced pluripotent stem cells(iPSCs)hold great promise in regenerative medicine as they are an important source of functional cells for potential cell replacement.These human PSCs,similar to their counterparts of mouse,have the full potential to give rise to any type of cells in the body.However,for the promise to be fulfilled,it is necessary to convert these PSCs into functional specialized cells.Using the developmental principles of neural lineage specification,human ESCs and iPSCs have been effectively differentiated to regional and functional specific neurons and glia,such as striatal gama-aminobutyric acid(GABA)-ergic neurons,spinal motor neurons and myelin sheath forming oligodendrocytes.The human PSCs,in general differentiate after the similar developmental program as that of the mouse:they use the same set of cell signaling to tune the cell fate and they share a conserved transcriptional program that directs the cell fate transition.However,the human PSCs,unlike their counterparts of mouse,tend to respond divergently to the same set of extracellular signals at certain stages of differentiation,which will be a critical consideration to translate the animal model based studies to clinical application.展开更多
基金supported by grants from the Ministry of Science and Technology of China(No.2012CB966300)the National Natural Science Foundation of China(Grant No.31171430)the"Strate-gic Priority Research Program"of the Chinese Academy of Sciences(No.XDA01040109).
文摘Human pluripotent stem cells(PSCs)such as embryonic stem cells(ESCs)and induced pluripotent stem cells(iPSCs)hold great promise in regenerative medicine as they are an important source of functional cells for potential cell replacement.These human PSCs,similar to their counterparts of mouse,have the full potential to give rise to any type of cells in the body.However,for the promise to be fulfilled,it is necessary to convert these PSCs into functional specialized cells.Using the developmental principles of neural lineage specification,human ESCs and iPSCs have been effectively differentiated to regional and functional specific neurons and glia,such as striatal gama-aminobutyric acid(GABA)-ergic neurons,spinal motor neurons and myelin sheath forming oligodendrocytes.The human PSCs,in general differentiate after the similar developmental program as that of the mouse:they use the same set of cell signaling to tune the cell fate and they share a conserved transcriptional program that directs the cell fate transition.However,the human PSCs,unlike their counterparts of mouse,tend to respond divergently to the same set of extracellular signals at certain stages of differentiation,which will be a critical consideration to translate the animal model based studies to clinical application.
