Question: Should I generate FFPE blocks from fresh tissue to use with the Visium for FFPE assay?
Answer: If starting out with fresh tissue, we would advise snap-freezing, OCT embedding, and then methanol fixing the samples to be used as inputs for our standard Visium assay (for snap-frozen and OCT embedded tissue). Methanol fixation will maintain the RNA quality better than formalin fixation.
Products: Visium for FFPE; Visium CytAssist for FFPE