The key properties of a stem cell ended up initial defined by Ernest McCulloch and James Until for the University of Toronto as well as Ontario Most cancers Institute in the early sixties. They found out the blood-forming stem cell, the hematopoietic stem cell (HSC), via their revolutionary work in mice. McCulloch and Until started a series of expe

??? ????? ?????? ?? ??? ? ?? ???? ???? ????? ?? ??? ????? #????????#????????#???????#???????#??????#??????#?????#??????#??????#????????#????????#????????-??? ???? ?? ?? ??? ??? ?? ? ?? ?? ???? ????? ??? ???? ??? ? ????.?????? ???? ??? ?? ?? ??? ???? ?? ??? ???? ?????. ????? ?, ???, ??? ?? ?? ???? ??? ?? ?? ?? ?? ???? ?? ?? ????. ?? ?? ??? ????? ??

??? ???? ?????. ???? ??? ????? ??? ??? ?????. ?? ??? ?? ?? ????, ??? ????? ????, ??? ??? ???? ??????.??? ???? ??? ??? ??? ??? ?? ? ??? ???? ??? ? ????.??? ??? ???? ??? ???? ??? ? ?? ??? ??? ????? ????.?? ??? ??? ???? ????? ?? ??? ???? ?? '???? ?????'??????? ??? ???? ??? ??? ? ??? ??? ??? ???? ???? ??? ????? ????? ?? ??? ??? ??? ???? ???. ?? ???? ??

?? ??? ?????? ????? ??? ??????? ??????. ???? ??? ????? ?? ?? ??? ???? ??? ???? ?? ?? ??? ??? ??? ?? ? ????.????? ???? ???? ???? ???? ???? ???? ????? ??? ??? ????? ???? ??? ? ????.?????????????????????????????????????? ????? ????? ???? ???? ??????. ??????? ?????? ???? ??? ??? ??? ?? ???? ?? ??? ???? ????? ???.????? ?????? ?? ??? ??? ????, ??? ??? ??

?? ??: ??? ??? ?? ?? ??? ??? ???, ?? ????? ???? ?? ????? ??? ???? ?? ? ??? ???? ??? ??? ?? ?? ????,???,??,??,??,???,??,???,?????,????,????? ???? ???? ??? ???? ?????? ???? ???? ??? ???? ??? ? ????.???? ???? ???? ????? ????? ????? ?????????? ?? ???? ???? ?? ??? ?? ?? ??? ?? ?? ??? ???? ????? ??? ? ?? ??? ???? ? ??? ? ? ???, ??? ??? ???? ???? ??? ???