Two-dimensional gel electrophoresis database of cultured murine R1 embryonic stem cells

Steven T. Elliott, David G. Crider, Christopher P. Garham, Kenneth R. Boheler, Jennifer E. Van Eyk

Research output: Contribution to journalArticlepeer-review

Abstract

Embryonic stem (ES) cell lines represent a population of undifferentiated pluripotent cells capable of multilineage differentiation in vitro. Although very useful for studying developmental processes, human ES cell lines have also been suggested as a potential and unlimited source for cellular transplantation and the treatment of human disease. The proteomic basis of embryonic stemness (pluripotentiality and multilineage differentiation) and the transitions that lead to specific cell lineages however, remain to be defined. As an important first step in defining these processes, we have performed a proteomic analysis of undifferentiated mouse R1 ES cell lines using pH 3-10, 4-7 and 6-11 two-dimensional electrophoresis gels, matrix-assisted laser desorption/ ionization and tandem mass spectrometry. Of the 700 gel spots analyzed, 241 distinct protein species were identified corresponding to 218 unique proteins, with a significant proportion functionally related to protein expression.

Original languageEnglish (US)
Pages (from-to)3813-3832
Number of pages20
JournalProteomics
Volume4
Issue number12
DOIs
StatePublished - Dec 2004

Keywords

  • Database
  • Embryonic stem cell
  • Mouse
  • Two-dimensional gel electrophoresis

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology

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