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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Characterization of Ia antigens in mouse serum.

Sera obtained from normal B10.BR mice were shown to inhibit selectively a specific anti-Ia alloantiserum.Partial purification of the Ia antigenic activity was accomplished by isolation of the high density lipoproteins from these sera by fractional precipitation with sodium phosphotungstate and MgCL2. Both H-2.23 and Iak antigens present in this high density lipoprotein fraction were completely adsorbed by rabbit anit-rat beta2-microglobulin immunoadsorbents, whereas specific anti-H-2.23 immunoadsorbents removed only the H-2 activity. These data deomnstrate that Ia antigens, like H-2 antigens in the sera of B10.BR mice are associated with high density lipoproteins and further suggest that both H-2 and Ia antigens are associated with a beta2-microglobulin-like molecule.[1]


  1. Characterization of Ia antigens in mouse serum. Callahan, G.N., Ferrone, S., Poulik, M.D., Reisfeld, R.A., Klein, J. J. Immunol. (1976) [Pubmed]
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