1 |
Select well established marker genes that have a known distribution. If no marker genes are known, use DESeq2median or DESeq2spike to select at least five DEGs from each derived cluster profile, so as to reduce the probability (<0.005) of selecting outlier marker genes. |
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2 |
Ensure that the marker gene count across all replicates and sample section/condition are adequate (example >100). |
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3 |
Assess the relative abundance of the marker genes within each sample section/condition using RT-qPCR. |
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4 |
Use NormQ to renormalize the data. |
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5 |
Use degCheckFactor to assess the effectiveness of the size factors used. If the distribution between different sample sections/conditions are not well separated, then DESeq2median or DESeq2spike may be more appropriate methods as there is no asymmetry of your data. |
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6 |
Compare the NormQ, DESeq2median or DESeq2spike normalized data to the RT-qPCR derived profile to determine which technique best fits the data. |