Tissue-specific cell-aggregating factors were previously obtained from the supernatant media of embryonic cell cultures. We describe here that such factors can be extracted from cell-membrane preparations derived directly from embryonic tissues: neural retina, cerebrum, and spinal cord of chick embryos.
No takes yet. Share an insight, caveat, or question.
Hausman et al. (1976) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: