Lipoprotein immunogenetics and atherosclerosis

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Abstract
The discovery of the first human lipoprotein polymorphism by Allison and Blumberg [Lancet i:634‐637, 1961] and the availability of alloimmune sera stimulated us to begin immunogenetic studies on swine in search of lipoprotein diversity and its relationship to biological functions. We found considerable lipoprotein polymorphism, complexity, and heterogeneity in this species. These results and the correlation between immunogenetically defined lipoprotein type and arterial lipidosis in swine, fed a high fat diet, are discussed. Immunogenetic studies of lipoproteins, initiated more recently in rhesus monkeys, will be reviewed also. Preliminary data show similarities between these two species with regard to polymorphism, complexity, phenotypic expression of lipoprotein genes and, most importantly, their serological relationship to human lipoproteins. We also note immunogenetic studies on lipoproteins done by other investigators, or in other species. Brief remarks on implications of the lipoproteins in atherosclerosis, their general classification, immunological properties, and immunological methods used in their study precede the immunogenetic presentation.