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Are post-natal neural stem cells identical
to those harvested from pre-natal embryonic tissue?
At the present time there is evidence that suggests that
the neural precursors harvested from post-natal brain are
different from those harvested from fetal brain.
Neural precursors harvested from post-natal brain differ
in their rate of cell division, their morphology, and their
propensity to differentiate into different classes of cells.
However, it is not known if these differences are substantial
enough to conclude that the post-natal cells are sufficiently
different from the fetal cells as to preclude them from some
of the applications for which neural precursors are thought
to be useful.
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