Dr Nishat Hyder-Rahman

Regulators in the US have approved 13 new human embryonic stem cell (ES cell)lines - the first to be approved since President Obama lifted the restriction on stem cell research earlier this year in March. The 13 stem cell lines are the first the National Institutes of Health (NIH) has approved under the ethical guidelines that were unveiled in July; they are also the first new stem cells lines available to US scientists in almost a decade. It is hoped that the new lines, which are of