Cell Aggregation: Its Enhancement by a Supernatant from Cultures of Homologous Cells

Science  07 Jul 1967:
Vol. 157, Issue 3784, pp. 70-72
DOI: 10.1126/science.157.3784.70


A supernatant medium has been prepared from living embryonic neural retina cells which specifically promotes their histogenetic aggregation. Its function is dependent upon at least two experimentally separable steps: selective uptake and functional utilization.