... animals (stage 51-52) by a 48 h treatment with thyroxine. All hepatocytes are responsive. The thyroxine-dependent induction of the expression of N-CAM in the liver provides the first example of hormonally induced expression of a cell adhesion molecule. These results are discussed in terms of the potential...

... of an adult cartilage in the same place. In this study we focus on the fate of the larval chondrocytes. Two hypotheses are considered: one, larval cells simply die off during metamorphosis, or, alternatively, they dedifferentiate and participate in the formation of the adult element. Thyroxine treatment...