To determine the HLA-phenotype of a potential donor of pancreatic islet cells, use was made of lymphocytes from 18-25-week-old human fetuses. The HLA-phenotype was clearly established in 39 out of 52 cases. In 13 cases, the authors failed to reveal histocompatibility antigens because of low viability of lymphocytes. The relationship was ascertained between the detectability of HLA-antigens in fetal donors and cytophysiological characteristics of islet cell cultures prepared from the pancreas.
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