Fig. 2.
(a) The size distribution of RNAs of three independent erythrocyte samples (lanes 2–4 labeled RBC #1–3) and one PBMC sample (lane 5 labeled as PBMC) were determined with Agilent Bioanalyzer with the indicated size markers (lane 1 as indicated). (b) Left: the microRNA expression pattern obtained with microRNA microarrays of three mature erythrocyte samples was compared to that of two erythroleukemia K562 cell lines. Right: the expression of erythrocyte-specific microRNAs in the CD34+ erythroid progenitor cells at indicated stages of erythroid differentiation in a previously published study (14).