Re: HLA-B27 Testing Questions

From: Te Chih Liu (liutc@pacific.net.sg)
Date: Fri Sep 03 1999 - 07:28:35 EST


>Our questions are concerning controls:  How often are positive controls run
>by those of you perfoming this test clinically?  Do you have a way to
>preserve positive control blood that has worked for you?
>

>Also, what have you learned about cross-reactions (like B7)?

We've been running it in parallel with our traditional serology tests for 
a short time - approx 100 samples. Works well. Just had a single B7 
cross-reaction which the Ab/software resolved clearly.

We don't get that many positive B27s here in Singapore and we'll not be 
able to put in a positive patient control with our test runs. So far 
we've depended on BD's supplied positive control.

Te-Chih



Te-Chih Liu, MRCP(UK), MRCPath
Haematology Division
National University Hospital
Singapore

Phone: (65)-7725353
Fax: (65)-7751757

Email: liutc@pacific.net.sg



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