Craig Taylor and colleagues (Dec 10, p 2019) 1 estimate that about 150 human embryonic
stem-cell (hESC) lines would be needed for most of the UK population, and that as few as …

Background Human embryonic stem (hES) cells are a promising source for transplantation
to replace diseased or damaged tissue, but their differentiated progeny express human …

In The Lancet, Steven Schwartz and colleagues1 report the first clinical experience of
patients treated with cells derived from human embryonic stem cells (hESCs). A patient with …

In the fifth year since human cloning to generate stem cells was legalised in the UK, what
progress has been made towards taking stem-cell therapy from laboratory to clinical …

Sir—Boris Tutschek and colleagues (Nov 18, p 1736) 1 report the successful clonal culture
of fetal cells from an unspecified volume of maternal blood for non-invasive prenatal …

Comment because they would otherwise be discarded, they obviate many of the ethical
issues about donation of embryos for research and allow for the generation of disease …

Viewpoint cells. Thus, the state effectively rewards the creation of stem-cell lines and so
becomes complicit in the destruction of embryos. Opponents of time-restriction policies are …

The ethical debate about human embryonic stem-cell research has revisited the old embryo-
research debate, which UK law put within a framework as long ago as 1990, 1 licensing it …

Human embryonic stem (hES) cell lines are of great potential in cell transplantation therapy.
However, recipients of such allogeneic transplants probably need treatment with …

Comment embryonic stem-cell lines in 1981. 2, 3 Unlike in the mouse, 4 leukaemia-
inhibitory factor was not able to maintain the non-differentiated growth of human embryonic …