December 5, 2022

IN BRIEF: stem cells; abortion pill

STEM CELL LINES: A mere 150 stem cell lines would provide treatments for 40% of the UK population, claim British geneticists. Based on a study of how kidney donors match transplant recipients, they found that a relatively small number of lines would be compatible — when stem cell therapy becomes a viable treatment. According to a report in news@nature.com, the best source would be discarded IVF embryos because cloned embryos still develop abnormally.