The author's preferred proteolytic enzyme used to pretreat formalin-fixed, paraffin-embedded (FFPE) tissue sections is 0.25% trypsin with pH 7.6-7.8.

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The author's preferred proteolytic enzyme used to pretreat formalin-fixed, paraffin-embedded (FFPE) tissue sections is 0.25% trypsin with pH 7.6-7.8.

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