Agglutinin Anti-S in Human Serum

MNS Blood Group System

“…Anti -S are usually immune, although ' naturally occurring ' examples are known [505,506] . Anti -S, -s, and -U are generally non -complement binding IgG antibodies [440] , although IgM anti -S has been reported [507] .…”

A New Example of the Anti-S Agglutinin

“…The first example was described by Walsh and Montgomery (1947), and the other by Mary Pickles (1948). A naturally occurring antibody anti-S was found in the serum of a patient by Coombs et al (1951) and in the blood of a donor by Vogel and Rosenfield (see Race and Sanger, 1950). In three cases the formation of anti-S was the result of multiple transfusions (Cutbush and Mollison, 1949;Race et al, 1949;Collins et al, 1950).…”