HLA TYPING B27 BY FLOW
ernest stapleton (kstaplet@morgan.ucs.mun.ca)
Tue, 15 Apr 1997 22:33:50 -0400
Our laboratory has also evaluated B27 typing by flow and have found
there is no monospecific antibody to B27 yet. The one lambda clone
also reacts with most hla B44 positives as well. Other labs have also
found this cross reaction.
If any lab does screen for B27 there are other antibodies available
(they also cross react with B7), namely Serotec and Becton Dickinson.
I would STRONGLY recommend ANY positives, weak or strong, to be
confirmed by serology or molecular methods before reporting it as
such.
Does One lambda admit to this cross reactivity to B44 yet? It has been
confirmed by our lab and sylvia wu's lab in british columbia but yet
to see it in their literature.
Ernest Stapleton
Clinical Immunology Lab
St. John's NFLD
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