期刊
PROTEOMICS
卷 17, 期 10, 页码 -出版社
WILEY
DOI: 10.1002/pmic.201700037
关键词
Comparative proteomics; Label-free quantitation; MS-LC-MS/MS; Trophoblastic cell lines
资金
- PI award from Science Foundation Ireland [10/IN.1/B3012]
- Irish Research Council [GOIPG/2014/575]
- Science Foundation Ireland (SFI) [10/IN.1/B3012] Funding Source: Science Foundation Ireland (SFI)
Trophoblastic cell lines are widely used in in vitro studies of placental function as a surrogate for primary trophoblasts. To date, no reference proteomics dataset exists to directly compare the shared and unique characteristics of these cells. Here, we performed comparative proteomic profiling of the BeWo and HTR8/SVneo cell lines using label-free quantitative MS. A total of 1557 proteins were identified, which included 338 uniquely attributed to BeWo cells, and a further 304 specifically identified in HTR8/SVneo cells. Raw data are available via Proteome-Xchange, identifier PDX005045. Of the 915 proteins expressed by both cell lines, 105 were of higher abundance in BeWo cells, while 199 proteins had a significantly higher expression in HTR8/SVneo cells. Comparative GO of unique and upregulated proteins revealed principal differences in cell junction/adhesion, catenin complex, spindle and microtubule associated complex, as well as cell differentiation. Our data indicate that BeWo cells express an epithelial proteome more characteristic of villous trophoblasts, whereas HTR8/SVneo cells embrace a mesenchymal phenotype, more characteristic of extravillous trophoblasts. This novel comparative proteomic profiling of these trophoblastic cell lines provides a useful platform for future investigations of placental function.
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