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Typical two-dimensional gel electrophoresis map.
Notes: The seven protein spots having the highest discriminatory power between patients and healthy controls have been encircled and annotated: spot 3409 is an isoform of angiotensinogen; spots 5106 and 1505 are isoforms of alpha-1-antitrypsin; spots 1203, 1211, and 2205 are isoforms of haptoglobin; and spot 3308 is an isoform of pigment epithelium-derived factor.
Abbreviations: pI, isoelectric point; Mw, molecular weight.
