Characterization of haptoglobin glycoforms in human serum Petra Darebná (Katedra biochemie, Přírodovědecká fakulta, Univerzita Karlova v Praze, Česká republika) Changes in glycosylation of proteins are associated with several types of cancer, including hepatocelular carcinoma and colorectal carcinoma. This project deals with data independent analysis using ion cyclotron resonance with Fourier transform and tandem mass spectrometry with liquid chromatogramy and multiple reaction monitoring to quantify these changes in hepatocelular cancinoma and colorectal carcinoma with liver metastases. In the first part of the project the haptoglobin was enriched from pooled serum samples of pacients with hepatocellular carcinoma, colorectal cancer and colorectal carcinoma with metastases using hemoglobin immobilized on CNBr-activated Sepharose 4B and then purified by high pressure liquid chromatography. Individual haptoglobin glycopeptides were analyzed using ion cyclotron resonance with Fourier transform. In the second part of the project we analyzed changes in glycosylation depending on diferent tumor diseases in partially depleted serum of individual patients using ethanol precipitation. Individual fucosylated glycoforms of N-glycopeptides of serum proteins were compared with their nonfucosylated forms. In...
| Identifer | oai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:353849 |
| Date | January 2015 |
| Creators | Darebná, Petra |
| Contributors | Pompach, Petr, Ptáčková, Renata |
| Source Sets | Czech ETDs |
| Language | Czech |
| Detected Language | English |
| Type | info:eu-repo/semantics/masterThesis |
| Rights | info:eu-repo/semantics/restrictedAccess |
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