Research Article

Simultaneous Detection of Different MicroRNA Types Using the ZIP-Code Array System

Table 4

Validation of DNA microarray-based miRNA detection in human cells. Mature and precursor miRNA detection in HeLa cells by DNA microarray, validation of array signals by comparison to qRT-PCR data and/or comparison to literature data for mature miRNAs. The presence of individual miRNAs (Figure 7) was determined based on array signal intensity (threshold 190 a.u., according to Figure 3(a)) or qRT-PCR Ct values equal or below a threshold Ct value of 34.65 (corresponding to 2.4 × 102 copies).

miRBase IDInternal ZIP ID Mature/precursor miRNAPresence of miRNA according to DNA microarray results Presence of miRNA according to qRT-PCR (average Ct value from triplicates)Presence of miRNA according to Reference

hsa-miR-9-5p mi-9_ZIP AMature NoYes (33.1)No [38, 39]
hsa-mir-9-3 mi-9_ZIP BPrecursorYesNo (>40.0)
hsa-miR-16-5p mi-16_ZIP CMatureYesYes (18.1)
hsa-mir-16-1mi-16_ZIP DPrecursorYesYes (34.6)
hsa-miR-92a-3p mi-92_ZIP EMatureNon.d. No [39]
hsa-mir-92a-1mi-92_ZIP FPrecursorYesn.d.n/a
hsa-miR-100-5pmi-100_ZIP GMatureYesn.d.Yes [40]
hsa-mir-100mi-100_ZIP HPrecursorYesn.d.n/a
hsa-miR-19b-3p mi-19b_ZIP IMatureNon.d.No [39, 40]
hsa-mir-19b-1mi-19b_ZIP KPrecursorYesn.d.n/a
hsa-miR-139-5p mi-139_ZIP LMatureYesn.d.Yes [40]
hsa-mir-139mi-139_ZIP MPrecursorYesn.d.n/a
hsa-miR-29a-3p mi-29a_ZIP NMatureNon.d.No [39, 40]
hsa-mir-29ami-29a_ZIP OPrecursorYesn.d.n/a
hsa-miR-199b-5p mi-199b_ZIP PMature YesYes (31.4)
hsa-mir-199b mi-199b_ZIP QPrecursorYesYes (32.0)
hsa-miR-99a-5p mi-99a_ZIP RMatureYesYes (21.1)
hsa-mir-99a mi-99a_ZIP SPrecursorYesYes (33.4)