Lymphocyte antigens in Norwegian goats: serological and genetic studies

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Abstract
Altogether, 292 goat alloantisera were screened for antilymphocyte reactivity in a two-step dye exclusion microcytotoxicity test. Fifteen different lymphocyte antigen specificities were characterized by cluster analysis and absorption studies. The specificities were designated N1-N15 (N for Norwegian). Lymphocytes from 247 Norwegian dairy goats were tested. Each animal displayed from none to four of the characterized specificities. Lysostrip testing and family studies indicated that the specificities N1-N14 were coded for by multiple alleles belonging to at least two closely linked loci. It is suggested that these loci are part of the caprine major histocompatibility complex. Family studies gave strong evidence that the specificity N15 was not coded for by genes located in the same region as the other 14 specificities. Absorption studies showed that this specificity was located on both lymphocytes and erythrocytes.