Ontology highlight
ABSTRACT: Aim
To analyze proteomic and signal transduction alterations in irradiated melanoma cells.Methods
We combined stable isotope labeling with amino acids in cell culture (SILAC) with highly sensitive shotgun tandem mass spectrometry (MS) to create an efficient approach for protein quantification. Protein-protein interaction was used to analyze relationships among proteins.Results
Energy metabolism protein levels were significantly different in glycolysis and not significantly different in oxidative phosphorylation after irradiation. Conversely, tumor suppressor proteins related to cell growth and development were downregulated, and those related to cell death and cell cycle were upregulated in irradiated cells.Conclusion
Our results indicate that irradiation induces differential expression of the 29 identified proteins closely related to cell survival, cell cycle arrest, and growth inhibition. The data may provide new insights into the pathogenesis of uveal melanoma and guide appropriate radiotherapy.
SUBMITTER: Yan LB
PROVIDER: S-EPMC3693007 | biostudies-literature | 2013
REPOSITORIES: biostudies-literature
Yan Lu-Bin LB Shi Kai K Bing Zhi-Tong ZT Sun Yi-Lan YL Shen Yang Y
International journal of ophthalmology 20130618 3
<h4>Aim</h4>To analyze proteomic and signal transduction alterations in irradiated melanoma cells.<h4>Methods</h4>We combined stable isotope labeling with amino acids in cell culture (SILAC) with highly sensitive shotgun tandem mass spectrometry (MS) to create an efficient approach for protein quantification. Protein-protein interaction was used to analyze relationships among proteins.<h4>Results</h4>Energy metabolism protein levels were significantly different in glycolysis and not significantl ...[more]