The proposals under consideration involve replacing the nucleus of an animal egg with the nucleus from a human somatic cell (), and allowing such an entity to develop in vitro for approximately 5 ...

A new study in Nature identifies a long-sought cytoplasmic 'sensor' that is responsible, at least in part, for interferon responses induced by double-stranded DNA. How do cells detect non-self ...

There are several types of hybrid embryo (listed below), but recent controversy has focused on cytoplasmic embryos. These are created by transferring nuclei containing DNA from human cells into ...