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. 2018 Nov 20;5:289. doi: 10.3389/fvets.2018.00289

Figure 4.

Figure 4

Correlations between miRNA parameters and renal function in cats. (A)The ratio of miR-21 to let-7b, miR-181a to let-7b, and miR-181a to miR-10b in urinary exosome-derived miRNA in cats. Cats were divided into the normal renal function group (NR, blood urea nitrogen (BUN) = 12.8–29.8 mg/dL, serum creatinine (sCRE) = 0.4–1.5 mg/dL, n = 43) and kidney disease group (KD, BUN = 30.1–140.0 mg/dL, sCRE = 1.8–14.0 mg/dL, n = 47). Furthermore, based on serum creatinine levels, the KD group was divided into three groups including KD1 (1.6–2.8 mg/dL), KD2 (2.9–5.0 mg/dL), and KD3 (5.0> mg/dL). Kruskal-Wallis test was used for comparing over three populations or time points, and multiple comparisons were performed using Dunnett's test when a significant difference was observed (*, **, *** P < 0.05, 0.01, 0.001). TaqMan PCR method. Bars in graphs show the mean of each group. For each value, a receiver operating characteristic (ROC) curve was drawn. AUC, area under the curve; CV, cutoff value; Sp, specificity; Se, sensitivity. Objective variables were examined as 0 (NR) and 1 (KD). (B)Correlation between the ratio of miR-21 to let-7b and sCRE, BUN, and uCRE. Spearman's correlation test was used to analyze the correlation between the two parameters (**P < 0.01). NR (blue, n = 43), KD1 (green, n = 19), KD2 (light blue, n = 18), and KD3 (red, n = 8) cats were analyzed. (C)The correlation between the ratio of miR-21 to let-7b and sCRE, BUN, and uCRE. Spearman's correlation test was used to analyze the correlation between two parameters (*, ** P < 0.05, P < 0.01). KD (45) cats were analyzed.