Proteomic analysis of pancreatic intraepithelial neoplasia and pancreatic carcinoma in rat models

Table 2 Differentially expressed proteins identified by matrix-assisted laser desorption/ionization-time of flight/time of flight tandem mass spectrometry in normal pancreatic, pancreatic intraepithelial neoplasia-2 and pancreatic cancer tissues

Spot position	Protein number in NCBI	Protein name	MW	PI	Mascot PMF score	P
230	Mixture,gi|6753406 + gi|74205924	Carboxyl ester lipase+unnamed protein product	70	6	136	4.10E-5
780	gi|158186649	Enolase 1	40	5.5	76	5.40E-5
1205	gi|6678437	Tumor protein translationally controlled 1	25	5	98	7.90E-5
1402	gi|55926145	Expressed in non-metastatic cells 2	20	8	185	0.000
1132	gi|149024340	Pancreatic elastase 3B	25	5.5	91	0.000
1066	gi|56676354	Necdin	30	8	63	0.000
1272	gi|6435547	Hbp23	25	7.5	62	0.001
226	gi|6753406	Carboxyl ester lipase	90	5.5	118	0.001
1405	gi|109488364	Chromodomain helicase DNA-binding protein 3	20	5.5	72	0.001
755	Mixture,gi|149033753 + gi|149039895	Albumin+retinoid X receptor-interacting protein	40	6.5	181	0.001
1259	gi|12832572	Unnamed protein product	25	6	38	0.001
298	gi|149063967	Phosphoenolpyruvate carboxykinase 2	66	7.5	229	0.002
1057	gi|4504447	Heterogeneous nuclear ribonucleoprotein A2/B1	30	8.5	62	0.002
993	gi|5174447	Guanine nucleotide binding-protein (G-protein), beta polypeptide 2-like 1	30	7.5	146	0.003
1040	gi|5174447	Guanine nucleotide binding-protein (G-protein), beta polypeptide 2-like 1	30	5.5	142	0.004
658	gi|66730435	Glycine C-acetyltransferase	40	8	211	0.008

NCBI:National Center for Biotechnology Information; PMF:Peptide mass fingerprint; MW: Molecular weight ; PI: Isoelectric point.