Table 4. Mouse lung punch miRNA expression.

Mouse lung punch miRNA expression (% of PBS)	miR-let-7d	miR-29	miR-181b	miR-199 fibrotic	miR-34a fibrotic	miR-142 antifibrotic
Urine exosomes (n=6–8/group)
PBS	100±0.5	100±0.3	100±0.2	100±0.1	100±.3.1	100±0.2
Control exosomes	74±6.7	96±13.3	137±18	92±5	88±15	105±20
U-IPFexo	32±6.5 @	55±12.1 *&	52±17 +	169±18 + &	131±10 *+	74±14 = 0.5
Fibroblast exosomes (n=3–4/group)
PBS	100±0.1	100±0.3	100±0.5	100±0.5	100±0.2	100±0.2
Control exosomes	114±5	110.8±9.2	110±8.2	53±5	101±16.5	78±14
MF-IPFexo	57±5.9 @	56±7.9 *&	42±12.7@	115±14 NS	100.±27 NS	47±12 NS

^*+p = 0.05 compared to PBS, @<0.01 compared to PBS and control exosomes, * p<0.05 compared to control exosomes, &p<0.01 compared to control exosomes, p values were calculated by Mann-Whitney U test. NS = not significant.