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Abstract
The multipotent mouse F9 embryonic carcinoma cell is an ideal model system to investigate the mechanism of retinoic acid (RA) in cell differentiation and cell growth control and the biochemical basis of early embryonic development. We reported here a proteomics approach to study protein expression changes during the differentiation of F9 cells into the visceral endoderm. F9 cells were incubated with or without RA at 0, 24, 48, and 72 h. Total proteins extracted were separated by two‐dimensional electrophoresis (2‐DE) and the protein patterns on the gels were comparatively analyzed by computer. Approximately 1,100 protein spots were detected in the F9 proteome, within the pH 3–10 range. Fourteen protein spots which the levels of expression were found to be altered dramatically during the F9 cells differentiating, and were identified by MALDI‐TOF MS or ESI‐MS/MS. These proteins included metabolism enzymes, HSP60s, RAN, hnRNP K, FUBP1, VDAC1, STI1, and prohibitin. These proteins are involved in cellar metabolism, gene expression regulation, stress response, and apoptosis, respectively. The data from proteomic analyze are consistent with the result obtained from Western blot analysis. This study increases our understanding of the proteomics changes during F9 cells differentiation induced by RA. J. Cell. Biochem. 113: 1811–1819, 2012. © 2012 Wiley Periodicals, Inc.
| Authors: | Jiao, Rui‐Qing; Li, Guanwu; Chiu, Jen‐Fu | |
| Journal: | Journal of Cellular Biochemistry | |
| Volume: | 113 | |
| Issue: | 6 | |
| Year: | 2012 | |
| Pages: | 1811 | |
| DOI: | 10.1002/jcb.24091 | |
| Publication date: | 01-06-2012 |
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