[Histonet] RE: BK virus detection
I use this same antibody for BK virus on IHC. What you need to do is use
enzyme rather than heat for epitope retrieval. I use DAKO proteinase K for
4 minutes, 35 minute primary, 30 min. with DAKO Envision+ monoclonal, and 7
minutes of DAKO DAB+. My dilution is at 1:6000.
FYI: Don't be shy about demanding a different lot of antibody from this
company for their BK virus as I have gotten only 2 out of 4 lots to work.
The other 2 lots were a lost cause and I wasted at least 50 slides trying to
get them working to no avail. The good antibody lots worked immediately and
I just had to fine tune them a bit. Try it out at about 1:2000 first and
you should see striking results with BK virus positive kidney. When the
antibody is working, it works extremely well.
Glen Dawson BS, HT & QIHC (ASCP)
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