As our bodies form, cells within the embryo divide and separate. Certain cells come together to form the outer layer, or ectoderm, of the early embryo, and give rise to tissue such…
In a study published in the journal Developmental Cell, Sarah Millar PhD, professor of Dermatology and Cell and Developmental Biology at the University of Pennsylvania School of Medicine,…
Scientists have reprogrammed stem cells from a key organ in the immune system in a development that could have implications for tissue regeneration…
Sonic hedgehog, a gene that plays a crucial rule in the positioning and growth of limbs, fingers and toes, has been confirmed in an unexpected place in the embryos of developing mice…