TABLE 5

Effects of miR-34a on the PK parameters of individual drugs and metabolites

Data were fit to a noncompartmental PK model. Values represent means ± S.D. generated from six mice.

TreatmentCmaxaAUC0→∞bExtrapt1/2CL/FVz/F
%hl/hliters
Substrate
 MDZControl15.9 ± 8.923.4 ± 7.520.541.237 ± 0.7106.995 ± 4.3173.822 ± 1.115
miR-34a20.7 ± 3.037.4 ± 5.4*17.721.182 ± 0.2454.122 ± 0.8972.432 ± 0.351
 PHEControl229.0 ± 68.274.3 ± 14.613.270.256 ± 0.0682.349 ± 0.9816.243 ± 1.295
miR-34a225.7 ± 96.891.3 ± 13.8**14.950.297 ± 0.0442.166 ± 0.4615.032 ± 0.708
 DXMControl247.6 ± 88.1906.6 ± 388.737.303.052 ± 2.77170.33 ± 20.0423.56 ± 14.11
miR-34a349.2 ± 74.8*1276 ± 296***49.152.762 ± 0.98450.63 ± 11.4113.81 ± 4.80
 DICControl841.0 ± 174.52.345 ± 1.76830.091.832 ± 1.5887.630 ± 5.1505.067 ± 4.019
miR-34a1.448 ± 0.239*2.612 ± 0.75225.691.558 ± 0.4804.094 ± 1.7252.026 ± 1.058
 CLZControl9.856 ± 2.4438.722 ± 1.2484.160.644 ± 0.1586.751 ± 3.6138.152 ± 6.015
miR-34a10.73 ± 1.86611.14 ± 1.80***5.560.659 ± 0.1534.328 ± 2.0535.089 ± 3.450
Metabolite
 1′-OH-MDZControl2.665 ± 0.5667.807 ± 3.18629.441.432 ± 0.553
miR-34a2.443 ± 0.3777.424 ± 1.27532.671.630 ± 0.249
 APAPControl2.147 ± 0.3951.797 ± 0.3365.080.763 ± 0.265
miR-34a1.700 ± 0.169**1.640 ± 0.1584.860.692 ± 0.154
 DXOControl175.6 ± 48.8307.9 ± 41.722.181.271 ± 0.160
miR-34a163.2 ± 16.7358.9 ± 51.825.661.417 ± 0.144
 4′-OH-DICControl136.5 ± 51.4275.6 ± 105.820.941.286 ± 0.372
miR-34a126.0 ± 48.9284.5 ± 127.133.771.984 ± 0.656
 6-OH-CLZControl45.57 ± 0.0242.2 ± 11.625.770.629 ± 0.352
miR-34a47.50 ± 0.0140.0 ± 5.517.750.684 ± 0.150
  • Extrap, extrapolated contribution to AUC.

  • a Values are given in nM for MDZ, PHE, DXM, DIC (control), DXO, 4′-OH-DIC, and 6-OH-CLZ and in µM for DIC (miR-34a), CLZ, 1′-OH-MDZ, and APAP.

  • b Values are given in nM·h for MDZ, PHE, DXM, DXO, 4′-OH-DIC, and 6-OH-CLZ and in µM·h for DIC, CLZ, 1′-OH-MDZ, and APAP.

  • * P < 0.001; **P < 0.01; ***P < 0.05 compared with the control (one-way analysis of variance with paired Bonferroni post hoc tests).