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. 2023 Apr 24;13:6620. doi: 10.1038/s41598-023-33698-8

Figure 2.

Figure 2

Verification of URT-PCR sensitivity. The relative sensitivity of the URT-PCR strategy was tested against the commercial standard (probe-based qRT-PCR (TaqMan). For six of ten direct comparisons, URT-PCR detected trqnscript, but TaqMan did not; examples (Panel A) miR-140 and (Panel B) miR-423-3p are shown. (Top) Total RNA (1 ng/ul) from a mixture of epithelial lung cells pooled was interrogated by both methods; URT-qPCR (left) showed CT 27 versus 31 for TaqMan, or 2^4 = 16-fold more sensitive. (Bottom) Total RNA extracted from EBC by conventional means (Methods) showed miR 423-3p as detectable by URT-qPCR, but absent by TaqMan).