I don't think we, ourselves, can access neural stem cells [outside our brains, where we have them!], because we're not working in research labs.

Here's a wikipedia article about neural stem cells: neural stem cells

The wikipedia article says neural stem cells were first isolated from a part of the mouse brain in the 1990s.

Note from ScienceLine Moderator: I suggest you also read the information on the following link, it will be useful for you.