Figure 6

Relative expression stability of 'popular normalizers' in the cycle study. Relative expression stability of genes commonly used as internal references for normalization (popular normalizers). Each dot represents one probe set. Data from normally menstruating rhesus macaques. Values closer to zero (top of histogram) indicate greater expression stability. Microarray data from the amygdala, hippocampus and arcuate hypothalamus of normally menstruating rhesus macaques evaluated using the Affymetrix^® human GeneChip^®. The chart shows expression stabilities of 45 probe sets representing 15 popular genes. The ordinate axis shows expression stability rank relative to expression stabilities of 1433 probe sets representing 575 human genes reliably expressed under multiple conditions. Gene expression stability values were generated from gene expression values grouped according to brain region or menstrual cycle phase using NormFinder software.