Using a recently developed enzyme-linked immunosorbent assay, gene dosage effects were demonstrated for the Duffy, Ss, and Rh red blood cell antigen systems. We report a comparison by an antibody-binding assay of the relative amounts of Fya and Fyb antigens on FyaFya, FyaFyb, FybFyb, FyaFyx, and FyxFyx erthrocytes, and of s antigen on cells homozygous and heterozygous for s. The immunosorbent assay also was used to study Rh antigens, and data which had been obtained using radiolabelled antibodies were confirmed.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/6815840