A plasma protein fractionation procedure for use in studies of protein metabolism. Its application to the measurement of synthesis rates of two α1-glycoproteins and other serum proteins in the rat |
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| Authors: | J Ho K N Jeejeebhoy and R H Painter |
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| Institution: | Departments of Medicine and Biochemistry, University of Toronto, Toronto, Ontario, Canada M5S 1A8 |
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| Abstract: | A two-step method for the separation of five different plasma proteins on a preparative scale, which is capable of being extended to allow the separation of other plasma proteins, is described. The proteins separated were fibrinogen, two alpha(1)-glycoproteins, albumin and transferrin. The alpha(1)-glycoproteins were characterized in terms of electrophoretic mobility, ultracentrifugal and immunological characteristics. By using this method, it was shown that a single sample of plasma could be fractionated to yield purified proteins in sufficient quantity to simultaneously measure the synthesis of the two alpha(1)-glycoproteins, albumin and transferrin in the rat with McFarlane's technique (McFarlane, 1963; Reeve et al., 1963; McFarlane et al., 1965). |
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