Summary: A new histo-blood group system was discovered, based on the identification of Forssman glycolipid antigen on human red blood cells. A newly described polymorphism in the GBGT1 gene activates the encoded enzyme to synthesize Forssman antigen.
Svensson, Lola,. Annika K. Hult, Robert Stamps, Jonas Ångström, Susann Teneberg, Jill R. Storry, René Jørgensen, Lennart Rydberg, Stephen M. Henry and Martin L. Olssonet al. “Forssman expression on human erythrocytes: biochemical and genetic evidence of a new histo-blood group system.” Blood (2013); 121(8): 1459-1468.