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Immunoregulatory Properties of alpha(2)-Macroglobulin
N. V. Maltseva1, O. F. Lykova, T. V. Konysheva
1Central Research Laboratory, Physician Postgraduate Training Institute, Novokuznetsk, Russia.
Native and modified with ammonium ions alpha(2)-macroglobulin forms exhibit similar abilities to influence proliferative activity and secretion of immunoglobulins in cultures of human blood mononuclear cells in vitro. Effects of modified with ammonium ions alpha(2)-macroglobulin were more significant than those of native alpha(2)-macroglobulin. Revealed properties of native alpha(2)-macroglobulin could be conditioned by a partial modification of its structure with endogenous proteinases or cytokines, some of which were shown to be common affinants for both forms.
Native and modified with ammonium ions alpha(2)-macroglobulin forms exhibit similar abilities to influence proliferative activity and secretion of immunoglobulins in cultures of human blood mononuclear cells in vitro. Effects of modified with ammonium ions alpha(2)-macroglobulin were more significant than those of native alpha(2)-macroglobulin. Revealed properties of native alpha(2)-macroglobulin could be conditioned by a partial modification of its structure with endogenous proteinases or cytokines, some of which were shown to be common affinants for both forms.