(a)

Peptidase	PTC	Non neoplastic	P
Soluble fraction
APB	7419 ± 1363	4259 ± 867	0.094
AspAP	130 ± 15	87 ± 13	0.039
PG I	206 ± 39	77 ± 18	0.008
PEP	3836 ± 633	1977 ± 449	0.026
AlaAP	8819 ± 1194	4122 ± 1111	0.007
Membrane-bound fraction
APA	1250 ± 280	1120 ± 258	0.96
APN/CD13	2301 ± 538	2533 ± 516	0.554
CAP	875 ± 253	665 ± 180	0.425
DPPIV/CD26	4274 ± 1301	1347 ± 278	0.017
NEP/CD10	3.1 ± 0.66	1.9 ± 0.45	0.12