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Protein Patterns of Early Mouse Embryos During Development

Authors
Journal
Differentiation
0301-4681
Publisher
Elsevier
Publication Date
Volume
17
Identifiers
DOI: 10.1111/j.1432-0436.1980.tb01092.x
Keywords
  • Original Articles
Disciplines
  • Biology

Abstract

Using high resolution two-dimensional polyacrylamide gel electrophoresis, the major protein species (labeled in vitro with 35S-methionine) of mouse embryos were examined starting with the unfertilized egg up to the blastocyst stage (fourth day of development). The analysis was then continued using in vitro culture techniques up to the 10th equivalent gestation day. At all periods of development distinct protein changes could be seen. However, major alterations in the protein synthesis pattern were noted between the 2nd and 3rd day in vivo and around the 8th equivalent gestation day in vitro. A complete series of gels is presented such that proteins can be easily identified in terms of their molecular weights and isoelectric points.

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