...H. Frederik Nijhout; Emily Laub; Laura W. Grunert ABSTRACT The wing imaginal disks of Lepidoptera can be grown in tissue culture, but require both insulin and ecdysone to grow normally. Here, we investigate the contributions the two hormones make to growth. Ecdysone is required to maintain mitoses...

... embryo. * Author for correspondence ( mconcha@med.uchile.cl ) Competing interests The authors declare no competing financial interests. © 2014. Published by The Company of Biologists Ltd 2014 Cell migration Guidance cues Environmental signals Cell-cell contact Tissue culture...

... in contact with the basement membrane differentiate into functional odontoblasts Key words: cell-matrix interaction, dentin, proteins, dental papilla, enamel organ, polarization, tissue culture. 196 H. LESOT, A. J. SMITH, J.-M. MEYER, A. STAUBLI AND J. V. RUCH secreting the predentin. Cells of the inner...