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. 2020 May 14;18:1173–1181. doi: 10.1016/j.csbj.2020.05.010

Table 2.

Recommendations for the selection of NormQ for RNASeq normalization.

Recommendations
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.



2 Ensure that the marker gene count across all replicates and sample section/condition are adequate (example >100).



3 Assess the relative abundance of the marker genes within each sample section/condition using RT-qPCR.



4 Use NormQ to renormalize the data.



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.



6 Compare the NormQ, DESeq2median or DESeq2spike normalized data to the RT-qPCR derived profile to determine which technique best fits the data.