For 10 points, name these undifferentiated cells that can be used to produce many kinds of tissue.
U.S. District Judge Royce Lamberth placed a temporary injunction on an executive order by Barack Obama about these things due to the Dickey-Wicker Amendment, although Lamberth later upheld that order in Sherley v. Sebelius. Yoshiki Sasai hung himself after the 2014 retraction of a study claiming to create one form of these things. That paper, led by RIKEN researcher Haruko Obokata, claimed to produce them by treating murine (*) CD45-plus spleen cells with weak acid, a technique called STAP. Hwang Woo-Suk faked research in which he claimed to create a human line of them from a cloned blasto•cyst. Shinya Yamanaka discovered a set of factors that could induce pluri•potency in these cells, and funding for ones from adults has increased due to controversy over those sourced from embryos. For 10 points, name these undifferentiated cells that can be used to produce many kinds of tissue.
U.S. District Judge Royce Lamberth placed a temporary injunction on an executive order by Barack Obama about these things due to the Dickey-Wicker Amendment, although Lamberth later upheld that order in Sherley v. Sebelius.
stem cells [accept specific kinds of stem cells such as pluri•potent stem cells or toti•potent stem cells or human stem cells] &lt;Kothari&gt;