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Transfusion

Noncellular immunoadsorbents for preparing typing sera that recognize high-frequency red cell antigens.


PMID 3057683

Abstract

The feasibility of using salivary ABH substance, covalently coupled to an affinity gel as an immunoadsorbent for anti-A and -B in sera containing antibodies to high-frequency antigens was investigated. Several examples of anti-Hy (n = 4), -Jra (n = 3), -U (n = 3), -Lub (n = 3), -Tja (n = 8), and -Vel (n = 6), plus one anti-Coa, were treated by batch adsorption with the affinity gel. Titration of the adsorbed sera with ABO-incompatible cells lacking the relevant high-frequency antigen, in parallel with ABO-compatible cells expressing the high-frequency antigen, revealed that ABO antibodies could be adsorbed to exhaustion without loss of the sera's activity against cells bearing high-frequency antigens.

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