Development of an HLA-Bw60 antibody in a multiparous HLA-Bw61 positive woman.

An HLA-B7 related Bw60 antibody was produced by pregnancy in an HLA-Bw61 positive woman. The 2 specificities reacted with the B7, Bw60 cells of the proband's husband and could be separated by absorption. This report is an additional evidence of the heterogeneity of B40, a complex known to include the antigens Bw60 and Bw61.