[Histonet] Endogenous enzyme activity - eosinophils
Do eosinophils have a different type of endogenous peroxidase that
survives quenching in 3% hydrogen peroxide prior to immunohistochemical
staining? Thanks! I have seen a few cases recently where the
eosinophils are strongly reactive following normal quenching.
Interestingly, pretreatment with antigen retrieval using heat destroys
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