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Immunoaffinity, Capillary Electrophoresis, and Statistics for Studying Intact Alpha 1-Acid Glycoprot

2025-03-31 生物化学 加入收藏
Variations in the amino acid sequence, glycosylation, and/or other posttranslati

Variations in the amino acid sequence, glycosylation, and/or other posttranslational modifications in glycoproteins give rise to different molecules of the glycoprotein called forms. Qualitative and/or quantitative alterations in these forms are related to pathophysiological situations in the individuals. In this study, a methodology to analyze these differences in forms of the alpha 1-acid glycoprotein (AGP) between healthy individuals and patients with two different vascular diseases is detailed. The whole methodology includes a sample preparation method based on immunochromatography, a capillary electrophoresis method for separation of AGP peaks (isoforms), and statistical methods (Linear Discriminant Analysis) for sample classification. As a result, it is shown that the methodology proposed allows studying the role of AGP isoforms as potential vascular disease biomarkers.

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