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Review | 12-March-2020

The Dombrock blood group system: a review

The Dombrock blood group system (Do) consists of two antithetical antigens (Doa and Dob) and five antigens of high prevalence (Gya, Hy, Joa, DOYA, and DOMR). Do antigens are carried on the Dombrock glycoprotein, which is attached to the RBC membrane via a glycosylphosphatidylinositol linkage. The gene (DO, ART4) encoding the Do glycoprotein, located on the short arm of chromosome 12, has been cloned and sequenced, allowing the molecular basis of the various Do phenotypes to be determined. Doa

Christine Lomas-Francis, Marion E. Reid

Immunohematology, Volume 26 , ISSUE 2, 71–78

Article | 14-October-2020

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

The Dombrock blood group system consists of five distinct antigens: two antithetical antigens, Doa and Dob , and three highfrequency 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

Cristina Mogos, Alissa Schawalder, Gregory R. Halverson, Marion E. Reid

Immunohematology, Volume 19 , ISSUE 3, 77–82

Case report | 09-October-2019

A suspected delayed hemolytic transfusion reaction mediated by anti-Joa

Ryan P. Jajosky, Wendy C. Lumm, Scott C. Wise, Roni J. Bollag, James F. Shikle

Immunohematology, Volume 33 , ISSUE 2, 73–75

Case report | 13-April-2020

Case report: DNA testing resolves unusual serologic results in the Dombrock system

Typing for antigens in the Dombrock blood group system and identifying the corresponding antibodies are notoriously difficult tasks. The reagents are scarce and the antibodies are weakly reactive. When RBCs from family members of a patient with an antibody to a high-prevalence Dombrock antigen were tested for compatibility,an unusual pattern of inheritance was observed:RBCs from the patient’s children and one niece,in addition to those from some of the patient’s siblings,were

Diane MacFarland, Kim Hue-Roye, Scott Carter, Dawn Moreau, James Barry, Marilyn K. Moulds, Christine Lomas-Francis, Marion E. Reid

Immunohematology, Volume 22 , ISSUE 2, 69–71

Article | 16-November-2020

Effect of pronase on highincidence blood group antigens and the prevalence of antibodies to pronase-treated erythrocytes

Cromer and Lutheran blood group systems and the JMH antigen were sensitive to pronase treatment of RBCs. Antigens in the Dombrock blood group system and Sc1 were either sensitive to or markedly weakened by pronase treatment of RBCs. The following high-incidence antigens were resistant to treatment of RBCs with pronase: AnWj, Ata, Coa, Co3, Dib, EnaFR, Era, Fy3, Jk3, Jra, k, Kpb, Jsb, K14, Lan, Oka, Rh17, U, Vel, and Wrb. Over half of the serum samples from normal blood donors contained antibodies to

Marion E. Reid, Carole A. Green, Jack Hoffer, Ragnhild Øyen

Immunohematology, Volume 12 , ISSUE 4, 139–142

Article | 10-November-2020

Anti-Holley detected in a primary immune response

. Recent scientific information has resulted in the placement of Hy in the Dombrock blood group system. Alloantibodies to Dombrock system antigens have not been associated with severe HDN.

Vicki J. Barrett, M. Margaret O’Brien, John J Moulds, Peggy Spruell, Valerie Jackson, James R. Stubbs

Immunohematology, Volume 12 , ISSUE 2, 62–65

Article | 14-October-2020

DNA analysis for donor screening of Dombrock blood group antigens

Jill R. Storry, Connie M. Westhoff, Dalisay Charles-Pierre, Maria Rios, Kim Hue-Roye, Sunitha Vege, Sandra Nance, Marion E. Reid

Immunohematology, Volume 19 , ISSUE 3, 73–76

Report | 25-March-2020

Molecular studies of DO alleles reveal that JO is more prevalent than HY in Brazil, whereas HY  is more prevalent in New York

Because of the scarcity of anti-Hy and anti-Joa, hemagglutination typing for the Dombrock blood group system antigens, Hy and Joa, is not feasible.  The molecular bases associated with these antigens have been determined, making it possible to distinguish HY and JO from wild-type DO.  This provides a tool to predict the probable phenotype of patients and to screen for antigen-negative donors.  PCR-RFLP assays and a microchip assay were used to determine the frequency of HY and JO

Lilian Castilho, Wilson Baleotti, Edith Tossas, Kim Hue-Roye, Karina R. Ribeiro, Christine Lomas-Francis, Daisy Charles-Pierre, Marion E. Reid

Immunohematology, Volume 24 , ISSUE 4, 135–137

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