Reproductive and Developmental Biology

The Korean Society of Animal Reproduction (한국동물번식학회)
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A Comparative Study of Protein Profiles in Porcine Fetus Fibroblast Cells with Different Confluence States

  • Han, Rong-Xun (Division of Animal Science & Resources, Research Center for Transgenic and Cloned Pigs, Chungnam National University) ;
  • Kim, Hong-Rye (Division of Animal Science & Resources, Research Center for Transgenic and Cloned Pigs, Chungnam National University) ;
  • Diao, Yunfei (Division of Animal Science & Resources, Research Center for Transgenic and Cloned Pigs, Chungnam National University) ;
  • Kim, Myung-Youn (Division of Animal Science & Resources, Research Center for Transgenic and Cloned Pigs, Chungnam National University) ;
  • Park, Chang-Sik (Division of Animal Science & Resources, Research Center for Transgenic and Cloned Pigs, Chungnam National University) ;
  • Jin, Dong-Il (Division of Animal Science & Resources, Research Center for Transgenic and Cloned Pigs, Chungnam National University)
  • Published : 2009.12.31
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Abstract

To examine the differential expression of proteins during the cycling (70~80% confluences) and G0/G1 (full confluences) phases in porcine fetal fibroblast cells, we used a global proteomics approach by 2-D gel electrophoresis (2-DE) and MALDI-TOF-MS. Cycling cell were harvested at approximately 70% to 80% confluent state while cells in G0/G1 phase were recovered after maintenance of a confluent state for 48 hr. Cellular proteins with isoelectric points ranging between 3.0~10.0, were analyzed by 2-DE with 2 replicates of each sample. A total of approximately 700 spots were detected by 2.D gels stained with Coomassie brilliant blue. On comparing the cell samples obtained from the cycling and G0/G1 phases, a total of 13 spots were identified as differentially expressed proteins, of which 8 spots were up-regulated in the cycling cell and 5 were up-regulated in the G0/G1 phase. Differentially expressed proteins included K3 keratin, similar to serine protease 23 precursor, protein disulfide-isomerase A3, microsomal protease ER-60, alpha-actinin-2, and heat-shock protein 90 beta. The identified proteins were grouped on the basis of their basic functions such as molecular binding, catabolic, cell growth, and transcription regulatory proteins. Our results show expression profiles of key proteins in porcine fetal fibroblast cells during different cell cycle status.

Keywords

References

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