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Protein synthesis and differentiation in a clonal line of teratocarcinoma and in preimplantation mouse embryo.

Abstract
Undifferentiated cells of a clonal line of teratocarcinoma can differentiate in vitro into embryoid bodies with morphological and biochemical features of early mouse embryo. During the first step of differentiation protein synthesis has been analysed by 2 dimensional gel electrophoresis. While new proteins are synthesized, the synthesis of others turned off with the appearance of endodermal cells in embryoid bodies. We have compared protein synthesis during teratocarcinoma differentiation and during early mouse embryogenesis at three stages of mouse preimplantation embryo. The results demonstrate that only the late blastocyst protein synthesis pattern shows most of the polypeptides identified in the differentiated protein synthesis pattern of teratocarcinoma. In contrast, protein synthesis during the early stages of mouse embryonic development is very different from protein synthesis in undifferentiated teratocarcinoma.
AuthorsC Failly-Crépin, G R Martin
JournalCell differentiation (Cell Differ) Vol. 8 Issue 1 Pg. 61-73 (Feb 1979) ISSN: 0045-6039 [Print] Ireland
PMID455474 (Publication Type: Comparative Study, Journal Article)
Topics
  • Animals
  • Autoradiography
  • Cells, Cultured
  • Embryo, Mammalian (metabolism)
  • Embryonic Development
  • Female
  • Mice
  • Neoplasms, Experimental (metabolism)
  • Pregnancy
  • Protein Biosynthesis
  • Teratoma (metabolism)

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