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Stem cells are undifferentiated or partially differentiated cells that can differentiate into various types of cells and proliferate indefinitely to produce more of the same stem cell.
The term stem cell was coined by Theodor Boveri and Valentin Haecker in late 19th century. Pioneering works in theory of blood stem cell were conducted in the beginning of 20th century by Artur Pappenheim, Alexander Maximow, Franz Ernst Christian Neumann. The first therapy using stem cells was a bone marrow transplant performed by French oncologist Georges Mathé in 1958 on five workers at the Vinča Nuclear Institute in Yugoslavia who had been affected by a criticality accident. The workers all survived.
Self-renewal, Potency, Identification