ORIGINAL RESEARCH

Significance of miR-146a quantification in human blood plasma for the diagnosis of colorectal cancer

Shirshova AN1, Shamovskaya DA1, Boyarskikh UA1, Apalko SV2, Leskov LS3, Sokolov AV, Kovalenko SA2, Scherbak SG2, Pikalov IV4, Kel AE1, Filipenko ML1,5
About authors

1 Institute of Chemical Biology and Fundamental Medicine SB RAS, Novosibirsk, Russia

2 City Hospital No. 40, Saint Petersburg, Russia

3 City Clinical Hospital No. 1, Novosibirsk, Russia

4 Novosibirsk State Medical University, Novosibirsk, Russia

5 Novosibirsk State University, Novosibirsk, Russia

Correspondence should be addressed: Maxim L. Filipenko
Prospekt Ak. Lavrientieva, d. 8, Novosibirsk, Russia, 630090; ur.csn.hcobin@xam

About paper

Funding: this works was supported by the Federal Targeted Program for Research and Development in Priority Areas of Advancement of the Russian Scientific and Technological Complex for 2014–2020 (Grant No. 14.604.21.0101, ID RFMEFI60414X0101).

All authors' contribution to this work is equal: selection and analysis of literature, research planning, data collection, analysis, and interpretation, drafting of a manuscript, editing.

Received: 2017-08-25 Accepted: 2017-08-30 Published online: 2017-10-30
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Fig. 1. Distribution of normalized miR-146a concentrations expressed in arbitrary units in 10 plasma pools obtained from patients with colorectal cancer (Т) and controls (C)
Fig. 2. Distribution of normalized miR-146a concentrations expressed in arbitrary units in patients with colorectal cancer (Т) and controls (C)
Fig. 3. The ROC-curve (shown in blue) constructed from the distribution of measured miR-146a concentrations expressed in arbitrary units for patients with and without colorectal cancer. Confidence intervals are represented by grey curves
Table 1. The group of patients with colorectal cancer (n = 102)
Table 2. The control group (no malignancies detected, n = 100)
Table 3. Nucleotide sequences of oligonucleotide primers and hydrolizable fluorescently labeled probes used in the study
Table 4. Analysis of miR-146a levels circulating in the blood plasma of patients with colorectal cancer (T) and controls (C)