Duffy (008) BLOOD GROUP SYSTEM Flashcards
Duffy antigens that are well-developed at birth; moderately immunogenic; destroyed by enzymes:
Fya and Fyb antigens
Duffy antigen that is an antigenic determinant or precursor common to Fya & Fyb
Fy3 antigen
Duffy antigen that is a result of interaction between the Rh complex & Duffy protein
Fy5
Duffy antibody commonly encountered; IgG, 37C/AHG reactive; can cause HTR and HDN
Anti-Fya
Duffy antibody less commonly encountered; IgG, 37C/AHG reactive; can cause HTR and HDN
Anti-Fyb
Duffy phenotype that is common in African-American black population (68%); has resistant to malarial invasion of P. vivax and P. knowlesi
Fy (a-b-)
Duffy phenotype that is common in Chinese population:
Fy (a+b-)