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Published on: February 18, 2017
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Selective profiling of liver-related specific proteins based on sofosbuvir-modified magnetic separation material
Yini Pan1, Zhenxin Wang2, Sen Xu1
1Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, People's Republic of China.
Summary
A novel magnetic nanoparticle material functionalized with Sofosbuvir (SOF) efficiently profiles liver-related proteins from serum. This strategy shows high specificity for identifying potential biomarkers in diseases like hepatocellular carcinoma (HCC).
Area of Science:
- Biochemistry and Molecular Biology
- Nanotechnology
- Proteomics
Background:
- Protein profiling is crucial for understanding diseases and drug development.
- Specific protein-drug interactions offer a novel avenue for targeted protein separation and analysis.
- Hepatocellular carcinoma (HCC) requires sensitive diagnostic and therapeutic strategies.
Purpose of the Study:
- To develop an efficient protein profiling strategy utilizing specific protein-drug interactions.
- To fabricate a novel magnetic separation material for selective protein adsorption.
- To demonstrate the strategy's efficacy in profiling liver-related proteins from biological samples.
Main Methods:
- Modification of magnetic nanoparticles (Fe3O4@SiO2@PAA) with Sofosbuvir (SOF) to create Fe3O4@SiO2@PAA@SOF.
- Utilizing protein-SOF interactions for selective adsorption of proteins from fetal bovine serum (FBS) and HCC patient serum.
- Mass spectrometry (MS) analysis for protein identification and profiling, using sequence coverage as a screening parameter.
Main Results:
- Successfully profiled nine proteins from FBS, with eight being liver-related.
- Profiled eight liver-related proteins from HCC patient serum, demonstrating high specificity.
- Identified one unique differential protein (D3DQX7) in HCC patients compared to healthy individuals, a potential therapeutic target.
Conclusions:
- The Fe3O4@SiO2@PAA@SOF material and protein profiling strategy exhibit superb specificity and selectivity for liver-related proteins.
- This approach holds promise for identifying disease biomarkers and advancing pharmacological studies.
- The material design and strategy can be extended to other drug-target interactions for diverse applications.
