Table 3. Differentially expressed target genes in NP tissues from IDD and controls.

miRNAs	Training set		Validation set
	Fold change	P	Fold change	P
AKIRIN1	0.23	0.21	-	-
CELA2B	0.18	0.33	-	-
STAP1	0.03	0.002**	0.05	0.001**
DCAF7	0.11	0.14	-	-
HDGFL1	0.32	0.07	-	-
NOVA1	0.17	0.008**	0.13	0.17
NPR2	0.15	0.42	-	-
CCL18	0.12	0.007**	0.18	0.29

NP, nucleus pulposus; IDD, intervertebral disc degeneration; Hsa: human; ** P < 0.01.