[Histonet] IHC-CD117 (c-kit)
slappycraw <@t> yahoo.com
Mon Feb 19 22:11:21 CST 2007
I would order another CD117 antibody (not a predilute) and run a parallel test with both controls and then go from there. How far in advance do you cut your slides and where do you store them, may be another angle I would look at. How old is the kit?
"W. Ozanne" <wayneozanne <@t> sympatico.ca> wrote: We are using the Dako c-kit with the predilute antibody. We are staining on
the Dako Autostainer using the Dako Target Retrieval, Envision + detection
kit and DAB+ chromogen. We are experiencing inconsistent staining with the
positive control slide provided with the kit as well as a known positive
tissue control that we use.
Today the positive control slide was negative, the known positive patient
case control slide containing a previously identified GIST was very weakly
positive (however the mast cells were nicely positive).
Any suggestions or helpful hints from my colleagues would be so greatly
Chief Technologist, Pathology Department
St. Joseph's Health Centre
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