Table 2. PCA loadings.

Loading axis: PC2
Gene symbol	Cluster name	Loading
TRHDE	C8	0.31
PAX9	C11	0.3
COL9A2	C8	0.3
RTN4R	C8	0.3
APC2	C9	0.3
CNMD	C8	0.29
HOXD13	C8	0.29
FAM69C	C8	0.29
WFIKKN2	C8	0.29
HOXA13	C8	0.29
LRRN3	C12	0.29
HPSE2	C9	0.29
SERPINB1A	C11	0.29
CDKN2B	C8	0.28
LTBP1	C8	0.28
CDH19	C8	0.28
PDZD2	C8	0.28
NLGN3	C9	0.28
MATN1	C8	0.28
MYOD1	C8	0.28
TSPAN11	C12	0.28
SERINC2	C9	0.28
FYB	C8	0.28
KIF1A	C8	0.28
COL9A3	C8	0.28