Hi Melissa,
It is possible to have a double negative K/L depending on patient’s diagnosis.
It is also normal to have positive K/L expression in tissue samples.
They are historically dirty in IHC. But you would have more control if you
optimized with a concentrate version of the antibody inste
Good Afternoon,
We are recently experiencing some staining issues with our IHC kappa and
lambda. These antibodies have historically been problematic. We are currently
running cell marque clones EP171 and EP 172 with Roche ultraview detection.
The issues are complicated as sometimes they contr
