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Rh33 in two of three German siblings with D+ C+ c+ E- e+ red cells
P Moores1, E Smart, J Sternberger
1Natal Institute of Immunology, Durban, South Africa.
Abstract:
The proposita in a German family of three siblings has D+ C+ c+ E- e+ f+ Rh: -17,19,33,34 red cells with weak C, e, f, Rh19, and Rh34 and stronger-than-usual Rh33 expression. One sibling has D+ C+ c+ E- e+ f+ Rh:17,19,33,34 red cells with weak f and ordinary-strength Rh33, and the other sibling has D+ C+ c+ E- e+ f+ Rh:17,19,-33,34 red cells. In the absence of any further family members, the proposita's unusual phenotype suggests that she has an RoHar haplotype and a "new" Rh haplotype, provisionally named R1Lisa, that encodes Rh33, normal-strength D, weak C, weak or nondemonstrable e, Rh19, and Rh34, but not Rh17. Her Rh:33 sibling may have R1 and RoHar and her Rh:-33 sibling R1 and r haplotypes.