ESPE Yearbook of Paediatric Endocrinology

In Brief: The authors use cell-tracing of Axin2-positive chondroprogenitor cells in the resting zone during and after food restriction to demonstrate that nutrient availability influences the balance between accumulation and differentiation of resting zone chondrocytes and that this is influenced by Igf-1.Commentary: Catch-up growth is the rapid growth that occurs after growth-inhibiting conditions have been cured or removed. The molecular mechanism for ...