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Celis, Julio E.; Dejgaard, Kurt; Madsen, Peder; Leffers, Henrik; Gesser, Borbala; Honore, Bent; Rasmussen, Hanne Holm; Olsen, Eydfinnur; Lauridsen, Jette B.; Ratz, Gitte; Mouritzen, Solveig; Basse, Bodil; Hellerup, Marianne; Celis, Ariana; Puype, Magda; Damme, Josef Van; Vandekerckhove, Joel

The MRC‐5 human embryonal lung fibroblast two‐dimensional gel cellular protein database: Quantitative identification of polypeptides whose relative abundance differs between quiescent, proliferating and SV 40 transformed cells

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  • Media type: E-Article
  • Title: The MRC‐5 human embryonal lung fibroblast two‐dimensional gel cellular protein database: Quantitative identification of polypeptides whose relative abundance differs between quiescent, proliferating and SV 40 transformed cells
  • Contributor: Celis, Julio E.; Dejgaard, Kurt; Madsen, Peder; Leffers, Henrik; Gesser, Borbala; Honore, Bent; Rasmussen, Hanne Holm; Olsen, Eydfinnur; Lauridsen, Jette B.; Ratz, Gitte; Mouritzen, Solveig; Basse, Bodil; Hellerup, Marianne; Celis, Ariana; Puype, Magda; Damme, Josef Van; Vandekerckhove, Joel
  • Published: Wiley, 1990
  • Published in: ELECTROPHORESIS, 11 (1990) 12, Seite 1072-1113
  • Language: English
  • DOI: 10.1002/elps.1150111203
  • ISSN: 0173-0835; 1522-2683
  • Keywords: Clinical Biochemistry ; Biochemistry ; Analytical Chemistry
  • Origination:
  • Footnote:
  • Description: AbstractA new version of the MRC‐5 two‐dimensional gel cellular protein database (Celis et al., Electrophoresis 1989, 10, 76–115) is presented. Gels were scanned with a Molecular Dynamics laser scanner and processed by the PDQUEST IITM software. A total of 1895 [35S]methionine‐labeled cellular polypeptides (1323 with isoelectric focusing and 572 with nonequilibrium pH gradient electrophoresis) are recorded in this database, containing quantitative and qualitative data on the relative abundance of cellular proteins synthesized by quiescent, proliferating and SV40 transformed MRC‐5 fibroblasts. Of the 592 proteins quantitated so far, the levels of 138 were up‐or down‐ regulated (51 and 87, respectively) by two times or more in the transformed cells as compared to their normal proliferating counterparts, while only 14 behaved similarly in quiescent cells. Seven MRC‐5 SV40 proteins, including plastin and two interferon‐induced proteins, were not detected in the master MRC‐5 images. The identity of 36 of the transformation‐sensitive proteins whose levels are up or down regulated by two times or more was determined and additional information can be transferred from the master transformed human epithelial amnion cells (AMA) database (Celis et al., Electrophoresis 1990, 11, 989–1071) for those polypeptides of known and unknown identity that have been matched to AMA polypeptides. As more information is gathered in this and other laboratories, including data on oncogene proteins and transcription factors, this comprehensive database will outline an integrated picture of the expression levels and properties of the thousands of protein components of organelles, pathways and cytoskeletal systems that may be directly or indirectly involved in properties associated with the transformed state.