Studies on Acute Phase Proteins of Rat Serum. I. Isolation and Partial Characterization of an α1-Acid Glycoprotein and an α2-Macroglobulin
- 1 August 1972
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Biochemistry
- Vol. 50 (8) , 856-870
- https://doi.org/10.1139/o72-121
Abstract
An α1-acid glycoprotein and an α2-macroglobulin were isolated from serum from rats suffering from experimentally induced inflammation for 48 h. The proteins were characterized electrophoretically and immunologically and their carbohydrate compositions and some physical properties determined. The α1-acid glycoprotein contained 34.1% carbohydrate, had an isoelectric point of 2.95, and a molecular weight of 43 000. The α2-macroglobulin contained 15.9% carbohydrate, had an isoelectric point of 4.60, and a molecular weight of about 800 000. The properties of the two proteins are compared with those of similar proteins isolated from rats and other species.Keywords
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