The researchers first obtained the stem cells from patients via a muscle biopsy. (sciencemag.org)
«There are perfectly ethical ways of obtaining stem cells to cure disease, which do not involve embryo destruction, so no matter what moral value one places on the human embryo, we do not need to use it.» (politics.co.uk)
Through this technology, scientists obtained stem cells from individuals with a genetic abnormality that confers increased susceptibility to schizophrenia, and they observed deficits during nerve development that could be traced to a specific gene called CYFIP1, which helps maintain a nerve cell's structure. (sciencedaily.com)