Close encounters with very small stem cells

  Interest in VSELs, or Very Small Embryonic-Like cells, has spiked again recently, driven by the penning of these largely negative pieces in Cell Stem Cell, Nature, Stem Cell Reports and Scientific American. VSELs could be a game-changer for the stem cell field – the clichéd ‘Holy Grail'. As they are nonembryonic cells, if VSELs exist then they could replace …