Table 1. Expression of SEMA3, Plexin and NRP in patients with PDAC.

Molecule	Case	Immuno-positivity (number, %)
	No.	Tumor	Ductal epithelia
SEMA3A	59	32 (54.24%),**	0 (0%)
SEMA3B	60	41 (68.33%),**	0 (0%)
SEMA3C	62	24 (38.71%),**	0 (0%)
SEMA3E	62	58 (93.55%),**	0 (0%)
SEMA3F	59	28 (47.46%),**	0 (0%)
PLXNA1	60	19 (31.67%),**	0 (0%)
PLXNA2	61	42 (68.85%),**	0 (0%)
PLXNA3	57	38 (66.67%),**	0 (0%)
PLXND1	62	57 (91.94%),**	0 (0%)
NRP1	62	57 (91.94%),**	0 (0%)
NRP2	62	9 (14.52%),**	0 (0%)

Paired t-test,

^**: P<0.0001.