Hierarchical clustering analysis on the 129 miRNAs expressed in CLL using all the CLL samples.

<p>Microarray analysis was performed in 16 CLL patients, using different conditions: Pre (n = 8), Ctrl (n = 15), and IL-4 (n = 15), being all the Ctrl and IL-4 samples paired. The ZAP-70 status of the patients, positive (n = 11) and negative (n = 5), and the conditions of the samples, are indicated on the top. The relative levels of expression of miRNAs are depicted according to the shown log₂ color scale on the bottom.