Archive for

>More on dead embryos and stem cells.

Posted by bnuckols ⋅ September 23, 2006 ⋅ Leave a comment

>A couple of corrections and some comments on the original article, from the journal, Stem Cells. The authors did not achieve any stem cell lines (“hESCs”)from the early (2-10) cell lines. So I was wrong about their having done what Lanza and Advanced Cell Technology claimed to have done. Also, the Nature article by Alison … Continue reading →

More on dead embryos and stem cells.

Posted by bnuckols ⋅ September 23, 2006 ⋅ Leave a comment

A couple of corrections and some comments on the original article, from the journal, Stem Cells. The authors did not achieve any stem cell lines (“hESCs”)from the early (2-10) cell lines. So I was wrong about their having done what Lanza and Advanced Cell Technology claimed to have done. Also, the Nature article by Alison … Continue reading →

>Naturally dead embryos for stem cell research.

Posted by bnuckols ⋅ September 23, 2006 ⋅ Leave a comment

>Okay, first: there’s a problem with the idea that in vitro embryos can be called “natural.” However, the rest is ethical. news@nature.com carries a report that does what Lanza did not: shows that single cells (blastomeres) from embryos can grow to yield embryonic stem cells without the intentional killing of an embryo. The embryos were … Continue reading →

Naturally dead embryos for stem cell research.

Posted by bnuckols ⋅ September 23, 2006 ⋅ Leave a comment

Okay, first: there’s a problem with the idea that in vitro embryos can be called “natural.” However, the rest is ethical. news@nature.com carries a report that does what Lanza did not: shows that single cells (blastomeres) from embryos can grow to yield embryonic stem cells without the intentional killing of an embryo. The embryos were … Continue reading →