期刊
CURRENT PHARMACEUTICAL DESIGN
卷 26, 期 3, 页码 372-375出版社
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1381612826666200129091610
关键词
Epithelial mesenchymal transition; proteome; alternative proteins; breast cancer; OpenProt database; predicted isoforms
资金
- PRIN Project (MIUR) [2017J92TM5_004]
Background: Molecular changes associated with the initiation of the epithelial to mesenchymal transition (EMT) program involve alterations of large proteome-based networks. The role of protein products mapping to non-coding genomic regions is still unexplored. Objective: The goal of this study was the identification of an alternative protein signature in breast cancer cellular models with a distinct expression of EMT markers. Methods: We profiled MCF-7 and MDA-MB-231 cells using liquid-chromatography mass/spectrometry (LC-MS/MS) and interrogated the OpenProt database to identify novel predicted isoforms and novel predicted proteins from alternative open reading frames (AltProts). DOI: Results: Our analysis revealed an AltProt and isoform protein signature capable of classifying the two breast cancer cell tines. Among the most highly expressed alternative proteins, we observed proteins potentially associated with inflammation, metabolism and EMT. Conclusion: Here, we present an AltPmts signature associated with EMT. Further studies will be needed to define their role in cancer progression.
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