Figure 3From: RNA degradation compromises the reliability of microRNA expression profilingmiCHIP analysis of miRNA expression. Hierarchical clustering was used to assess which samples cluster together based on their miRNA expression profiles. The data show that even severely degraded total RNA samples are defined by tissue-specific miRNA signatures. The key color bar shows miRNA expression levels (dark red indicates high signal intensities, while dark blue indicates no detectable signal).Back to article page