期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 19, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/ijms19020498
关键词
ischemic stroke; proteomics; biomarkers; endovascular therapy; thrombus
资金
- Navarre Government Funding (Industry and Health department) through ADITECH [PT030]
- Department of Economic Development from Government of Navarra [PC025]
- Obra Social la Caixa
- MINECO [PEJ-2014-A-61949]
- PE I+D+I - ISCIII
- FEDER
- [PT17/0019/009]
Thrombotic material retrieved from acute ischemic stroke (AIS) patients represents a valuable source of biological information. In this study, we have developed a clinical proteomics workflow to characterize the protein cargo of thrombi derived from AIS patients. To analyze the thrombus proteome in a large-scale format, we developed a workflow that combines the isolation of thrombus by endovascular thrombectomy and peptide chromatographic fractionation coupled to mass-spectrometry. Using this workflow, we have characterized a specific proteomic expression profile derived from four AIS patients included in this study. Around 1600 protein species were unambiguously identified in the analyzed material. Functional bioinformatics analyses were performed, emphasizing a clustering of proteins with immunological functions as well as cardiopathy-related proteins with blood-cell dependent functions and peripheral vascular processes. In addition, we established a reference proteomic fingerprint of 341 proteins commonly detected in all patients. Protein interactome network of this subproteome revealed protein clusters involved in the interaction of fibronectin with 14-3-3 proteins, TGF signaling, and TCP complex network. Taken together, our data contributes to the repertoire of the human thrombus proteome, serving as a reference library to increase our knowledge about the molecular basis of thrombus derived from AIS patients, paving the way toward the establishment of a quantitative approach necessary to detect and characterize potential novel biomarkers in the stroke field.
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