Yanxia Posted April 16, 2014 Share Posted April 16, 2014 (edited) My friend told me a case : a leukemia patient, anti-A 2+mf, anti-B neg, A1 cells neg, B cells 4+.Then further test : anti-A1 2+,anti-AB 3+stronger.I prefer call it antigen reduction ,but I can't explain the anti-AB result is stronger than anti-A and anti-A1. Edited April 16, 2014 by shily Link to comment Share on other sites More sharing options...
Malcolm Needs ☆ Posted April 16, 2014 Share Posted April 16, 2014 In my experience, reactions with anti-A,B tend to be stronger than with anti-A or anti-A1, even in this era of monoclonal grouping reagents. David Saikin, Yanxia, GAFFER and 2 others 5 Link to comment Share on other sites More sharing options...
galvania Posted April 21, 2014 Share Posted April 21, 2014 I agree with Malcolm in that almost all weak A or B antigens will react better with anti-AB than with anti-A or B alone. monoclonal anti-AB reagents should be true anti-A,B rather than a mixture of anti-A and anti-B. The latter are not really worth using. This could either be a true weak sub type of A; or, as your patient has a leukaemia, it could be the disease that is weakening the antigen. Malcolm Needs, Yanxia and David Saikin 3 Link to comment Share on other sites More sharing options...
L106 Posted April 22, 2014 Share Posted April 22, 2014 I agree with Malcolm and Anna. Donna Malcolm Needs 1 Link to comment Share on other sites More sharing options...
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