Assertion: embryo's stem cell | /r/ObjectUse | used in therapy
Facets:
value: for decades
type: TEMPORAL
Source sentences:
text: The hematopoietic stem cells in bone marrow and umbilical cord blood, which make red and white blood cells as well as platelets, are the easiest to isolate, and have been used in therapy for decades.
text: If an individual with diabetes is to be cured, the stem cells used for treatment must develop into new insulin-producing islet cells, not heart tissue or other cells.