Simultaneous three-color analysis of the surface phenotype and DNA-RNA quantitation using 7-amino-actinomycin D and pyronin Y.


We developed an improved technique that permits simultaneous DNA and RNA quantitation by a flow cytofluorometry using 7-amino-actinomycin D (7AAD) and pyronin Y (PY), respectively. Detailed cell cycle analyses based upon the cellular DNA/RNA levels were performed using cells suspended in a buffer containing 0.004% saponin. This method preserved the light… (More)

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