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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Melas, Ioannis N. Messinis, Dimitris E. Rodriguez, Julio-Saez Mitsos, Alexander Weiss, Thomas S. Alexopoulos, Leonidas G. |
| Copyright Year | 2012 |
| Abstract | Construction of large and cell-specific signaling pathways is essential to understand information processing under normal and pathological conditions. On this front, gene-based approaches offer the advantage of large pathway exploration whereas phosphoproteomic approaches offer a more reliable view of pathway activities but are applicable to small pathway sizes. In this paper, we demonstrate an experimentally adaptive approach to construct large signaling pathways from phosphoproteomic data within a 3-day time frame. Our approach—taking advantage of the fast turnaround time of the xMAP technology—is carried out in four steps: (i) screen optimal pathway inducers, (ii) select the responsive ones, (iii) combine them in a combinatorial fashion to construct a phosphoproteomic dataset, and (iv) optimize a reduced generic pathway via an Integer Linear Programming formulation. As a case study, we uncover novel players and their corresponding pathways in primary human hepatocytes by interrogating the signal transduction downstream of 81 receptors of interest and constructing a detailed model for the responsive part of the network comprising 177 species (of which 14 are measured) and 365 interactions. |
| Starting Page | 1571 |
| Ending Page | 1584 |
| Page Count | 14 |
| File Format | HTM / HTML PDF |
| ISSN | 1742206X |
| Volume Number | 8 |
| Issue Number | 5 |
| Journal | Molecular BioSystems |
| DOI | 10.1039/c2mb05482e |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Signal transduction Hepatocyte Combinatorial optimization |
| Content Type | Text |
| Resource Type | Article |
| Subject | Molecular Biology Biotechnology |
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