PMID: 15373683Sep 18, 2004Paper

Studies on the Dombrock blood group system in non-human primates

Immunohematology
C MogosM E Reid

Abstract

The Dombrock blood group system consists of five distinct antigens: two antithetical antigens, Doa and Dob, and three high-frequency antigens:Gya,Hy, and Joa. Although the prevalence of Doa and Dob in different populations makes them useful as genetic markers, the scarcity of reliable antibodies to these antigens has prevented this potential from being realized. The gene (DO;ART4) encoding the Dombrock glycoprotein has been cloned and sequenced, and the molecular bases of the various Dombrock phenotypes have been determined. The purpose of this study was to perform DNA-based assays on the DO homolog in non-human primates to determine the degree of conservation in the DO gene. Murine MoAbs to Dombrock protein were developed by standard hybridoma technologies and used to test RBCs from non-human primates by hemagglutination. PCR-RFLP analysis for the six single-nucleotide polymorphisms (SNPs) that have been defined in human alleles were performed on DNA extracted from fresh or frozen blood samples from numerous non-human primates. Hemagglutination tests with six MoAbs to the Dombrock glycoprotein revealed distinct epitopes on RBCs from the non-human primates. The gorillas and orangutans had the same PCR-RFLP digestion pattern for...Continue Reading

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