Antigen Society #6 Report (B21, B49, Bw50, BN21, B12, B44, B45)
Antigen Society and Group 6 was the result of a collaboration of fifteen laboratories. They typed persons for the B12 and B21 antigens using a combination of antigen society and core trays. A total of 546 cells and 171 anti-sera was included on the final dataset that was incorporated into the present analysis, 443 of these cells having a reaction profile greater than 0.75, all having been tested against both the antigen society and core anti-sera. Antigen B12 and its splits were represented by 186 of the “non-flagged” cells while B21 and its subtypes were present on 135 cells. Twenty ethnic groups were represented in Antigen Society and Group 6. Only the 443 cells with the high reaction profiles were used for the analysis whereas anti-sera were chosen for their high serum-by-serum correlations and because they gave clear patterns in the cell-by-serum matrices. A complete listing of the sera which were submitted to Antigen Society and Group 6 as containing B12 and B21 specificities is contained in the Appendix.
KeywordsArthritis Tray Dick Sera
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