Table 5.

Clustered miRNAs by PCA

miRNA	Component loading	Eigenvalue	Cumulative variance
MIR factor 1		8.0	0.67
miR-126	0.94
miR-30a	0.93
miR-10b	0.90
miR-143	0.87
miR-125a-5p	0.84
miR-26b	0.82
miR-107	0.81
miR-26a	0.80
miR-125b	0.78
miR-193a-3p	0.75

PCA clustering of 23 miRNAs that were different at 6 h after exercise in YNG men revealed a miR factor containing 10 miRNAs that were significantly associated with lean mass when accounting for age.