[Antigenic composition of protein fractions of the human cerebral cortex extracted by chromatography on

S A Ignatov, L V Vedernikova, G Sh Burbaeva

Zhurnal Nevropatologii I Psikhiatrii Imeni S.S. Korsakova (Moscow, Russia : 1952)

|January 1, 1977

Abstract:

In fractionating a phosphate protein extract from the human brain cortex on DEAE-cellulose 10 fractions of the basic acid proteins were received. Analyses of these fractions were conducted by the method of disc electrophoresis in polyacridamide gel with dodecylsulphate Na and a subsequent separate staining of the desitograms of proteins and glycoproteins, precipitation in agar gel, immunoelectrophoresis and autoimmunography with the use of labeled I125 antibodies to rabbit gamma-globulin. In the first 2 basic fractions there were brain specific antigens with electrophoretic mobility of the beta2--gamma globulin. In the first acid fraction--2 antigens: alpha1-globulin and alpha2-globulin of a glycoprotein nature. In subsequent acid fractions--one antigen with a mobility of alpha1-globulin. A study of the antigen activity of these fractions in a complement fixation test on cold with the serum of schizophrenic patients and disseminated sclerosis depicted differences in the activity of the basic and acid fractions.

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Abstract:

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