news 2026

Only a few animals in the world possess the ability to regenerate tissue, enabling them to regrow limb parts or whole limbs after amputation. In a study published in the journal PNAS , a research team from Inserm, the University of Montpellier and Montpellier University Hospital shows that laboratory-grown mouse embryos can only initiate regeneration of forelimb buds, such as the front legs, for an extremely short period: between 10.5 and 12.5 days after fertilization, when limb buds are just beginning to form.

following an acute coronary syndrome (ACS), the risk of recurrence of a major cardiovascular event (new infarction, coronary event or death) is particularly high. This is because some patients have residual or chronic inflammation for which there is currently no treatment.