Table 3. CF Peptides Presented in Significantly Different Levels between Pancreatic Cancer and Chronic Pancreatitis^a.

accession no.	protein name	CF peptideb	N/SR	CP/SR	PC/SR
P54289	Voltage-dependent calcium channel  subunit alpha-2/delta-1	DDLDPEKn*DSEPGSQR	1.13 ± 1.01	1.16 ± 0.42	0.70 ± 0.15d
Q9BXJ4	Complement C1q tumor necrosis  factor	TGTVDn*NTSTDLK	9.88 ± 0.42	1.45 ± 0.55c	0.83 ± 0.25d
Q12913	Receptor-type tyrosine-protein  phosphatase eta	Sn*DTAASEYK	0.85 ± 0.25	1.26 ± 0.26c	0.85 ± 0.26d
P01023	Alpha-2-macroglobulin	GNEANYYSn*ATTDEHGLVQFSIn*TTNVMGTSLTVR	1.14 ± 0.49	1.88 ± 0.34c	1.04 ± 0.39d
Q7Z7G0	Target of Nesh-SH3	En*GSFSGK	0.80 ± 0.27	1.24 ± 0.20c	0.85 ± 0.19d
P16112	Aggrecan	TVYLYPn*QTGLPDPLSR	0.91 ± 0.29	1.25 ± 0.39	0.83 ± 0.14d
P58215	Lysyl oxidase homologue 3	n*ITAEDCSHSQDAGVR	0.88 ± 0.41	0.75 ± 0.30	1.19 ± 0.19d
P12111	Collagen alpha-3(VI) chain	VAVVQHAPSESVDn*ASMPPVK	0.93 ± 0.24	1.34 ± 0.31c	0.99 ± 0.20d
P20023	Complement receptor type 2	TPNGn*HTGGNIAR	0.87 ± 0.30	1.10 ± 0.30c	0.57 ± 0.34d
P13591	Neural cell adhesion  molecule 1	n*ISSEEK	1.05 ± 0.43	1.26 ± 0.44c	0.89 ± 0.32d
Q13477	Mucosal addressin cell adhesion molecule 1	n*ASLSAAGTR	1.13 ± 0.50	1.76 ± 0.72c	0.94 ± 0.20d
P14151	L-selectin	IGGIWTWVGTn*K(SL)	1.09 ± 0.41	1.15 ± 0.27c	0.90 ± 0.29d
P01011	Alpha-1-antichymotrypsin	LINDYVKn*GTR	0.53 ± 0.38	1.41 ± 0.64c	0.91 ± 0.39cd

^aData represent the mean and SD value based on the reporter ion ratios for CF proteins quantified in at least 5 sample sets. Significant difference level P ≤ 0.05; N, healthy controls; CP, chronic pancreatitis; PC, pancreatic cancer; SR, standard reference.

^bAsterisk (*) indicates CF modification at asparagine (n) residue.

^cDifference between healthy controls and pancreatic cancer or chronic pancreatitis.

^dDifference between pancreatic cancer and chronic pancreatitis.