A new co-culture system using human ESCs and extra-embryonic cells successfully mimics primitive streak formation, shedding light on gastrulation and embryonic diversity. PMID:42341759, Cell 2026, @Cell https://www.cell.com/cell/fulltext/S0092-8674(26)00645-8 #Medsky #Pharmsky #RNA #ASHG #ESHG 🧪
