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MALDI TOF/TOF determination of serum plasminogen sialylation profile from patients with gastric precancerous lesions

机译:MALDI TOF / TOF测定胃癌癌前病变患者血清纤溶酶原唾液酸化谱的测定

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To discover new biomarkers of gastric disease, we performed a innovative and focused glycoproteomics approach. In this work we show that: 1. T and STn antigens are expressed mainly in gastric lesions; 2. The glycoproteomic strategy was able to highlight truncated glycans present in serum proteins and to identify, by MALDI-TOF/TOF, the proteins bearing these antigens; 3. We have developed a method to selectively enrich and characterize serum glycopeptides carrying the STn glycoform, focusing on Plasminogen glycosylation.
机译:为了发现胃病的新生物标志物,我们进行了一种创新和重点的糖蛋白方法。在这项工作中,我们表明:1。T和STN抗原主要表达胃病变; 2.糖蛋白策略能够突出血清蛋白中存在的截短的聚糖,并通过MALDI-TOF / TOF鉴定含有这些抗原的蛋白质; 3.我们开发了一种选择性地富集和表征携带​​STN糖族血清糖肽的血清糖肽,其专注于纤溶酶原糖基化。

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