P2k Phenotype: Rare Blood Group Genetics and Clinical Management
1. Introduction The P2k phenotype represents an extraordinarily rare and clinically precarious anomaly within human immunohematology. Individuals with this phenotype present a complex serological profile: their erythrocytes abundantly express the Pk glycosphingolipid antigen but completely lack both the P antigen and the P1 antigen. This specific biochemical configuration triggers a profound immunological response, dictating the … Read more