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.