TABLE 3.
List of differentially expressed proteins (DEPs) during estrus (E) vs. proestrus (PE), metestrus (ME), and diestrus (DE) stages using LFQ-LC-MS/MS analysis.
| Accession | Gene symbol | Description | Peptide | Fold change | Fold change | Fold change |
|---|---|---|---|---|---|---|
| E/PE | E/ME | E/DE | ||||
| F1MES3 | LIPF | Gastric triacylglycerol lipase | 4 | 33.125 | 38.834 | 18.989 |
| Q29458 | LIPF | Gastric triacylglycerol lipase | 7 | 32.65 | 39.416 | 19.173 |
| A4FV72 | PPIE | Peptidyl-prolyl cis–trans isomerase E | 1 | 21.071 | 15.047 | 24.834 |
| P00639 | DNASE1 | Deoxyribonuclease-1 | 2 | 7.005 | 4.783 | 10.895 |
| F1N0N9 | — | Uncharacterized protein | 1 | 5.447 | 1.582 | 11.299 |
| P0CG53 | UBB | Polyubiquitin-B | 1 | 2.301 | 10.493 | 3.44 |
| P10790 | FABP3 | Fatty acid-binding protein, heart | 1 | 2.445 | 6.187 | 10.788 |
| P02690 | PMP2 | Myelin P2 protein | 1 | 2.445 | 6.187 | 10.788 |
| P15497 | APOA1 | Apolipoprotein A-I | 6 | 1.942 | 9.793 | 6.824 |
| G3MZU3 | LOC783399 | Uncharacterized protein | 4 | 1.175 | 8.238 | 5.386 |
| Q865V6 | CAPG | Macrophage-capping protein | 1 | 5.134 | 1.633 | 4.546 |
| Q1JPG7 | PKLR | Pyruvate kinase | 1 | 5.05 | 2.016 | 4.72 |
| G3N2P2 | LOC613345 | Uncharacterized protein | 2 | 4.503 | 2.859 | 2.129 |
| P19661 | CATHL3 | Cathelicidin-3 | 2 | 4.339 | 2.036 | 2.882 |
| Q2KJF1 | A1BG | Alpha-1B-glycoprotein | 1 | 4.135 | 1.934 | 3.79 |
| P02070 | LOC100850059; HBB | Hemoglobin subunit beta | 13 | 3.95 | 1.725 | 1.372 |
| P02313 | HMGN2 | Non-histone chromosomal protein HMG-17 | 1 | 3.74 | 3.175 | 2.366 |
| P19660 | CATHL2 | Cathelicidin-2 | 3 | 3.573 | 3.92 | 4.087 |
| Q2KIT0 | MGC137014 | Protein HP-20 homolog | 1 | 3.457 | 3.269 | 2.615 |
| G1K1L8 | SERPINB1 | Leukocyte elastase inhibitor | 7 | 3.116 | 2.307 | 3.904 |
| Q1JPB0 | SERPINB1 | Leukocyte elastase inhibitor | 10 | 3.01 | 2.349 | 3.419 |
| P79125 | BPIFA2B | Short palate, lung and nasal epithelium carcinoma–associated protein 2B | 1 | 2.938 | 2.139 | 1.437 |
| P54229 | CATHL5 | Cathelicidin-5 | 3 | 2.561 | 1.439 | 1.781 |
| P56425 | CAMP | Cathelicidin-7 | 2 | 2.351 | 2.847 | 1.202 |
| Q0VCX4 | CTNNB1 | Catenin beta-1 | 1 | 2.348 | 5.891 | 2.679 |
| Q3ZC09 | ENO3 | Beta-enolase | 3 | 2.302 | 0.7 | 4.444 |
| A5D984 | PKM | Pyruvate kinase | 11 | 2.293 | 1.513 | 1.65 |
| Q0VCW4 | SDS | l-Serine dehydratase/l-threonine deaminase | 6 | 2.233 | 1.876 | 1.996 |
| F1N0R8 | SDS | l-Serine dehydratase/l-threonine deaminase | 6 | 2.233 | 1.876 | 1.996 |
| P00975 | — | Serum basic protease inhibitor | 1 | 2.154 | 1.683 | 1.943 |
| Q148F1 | CFL2 | Cofilin-2 | 1 | 2.097 | 1.326 | 1.337 |
| F1MLW2 | BPIFB1 | BPI fold-containing family B member 1 | 10 | 2.011 | 1.322 | 2.338 |
| F1MKB7 | GSTO1 | Uncharacterized protein | 2 | 1.859 | 1.86 | 4.825 |
| A5PJE3 | FGA | Fibrinogen alpha chain | 1 | 1.821 | 5.715 | 5.472 |
| P02672 | FGA | Fibrinogen alpha chain | 1 | 1.821 | 5.715 | 5.472 |
| P54228 | CATHL6 | Cathelicidin-6 | 4 | 1.785 | 2.494 | 1.382 |
| A6QR19 | ENO2 | ENO2 protein | 2 | 1.779 | 1.309 | 1.637 |
| P02754 | PAEP | Beta-lactoglobulin | 10 | 1.703 | 1.446 | 1.519 |
| G5E5H7 | PAEP | Uncharacterized protein | 9 | 1.703 | 1.732 | 1.371 |
| E1BI89 | — | Uncharacterized protein | 13 | 1.682 | 1.539 | 3.423 |
| P02676 | FGB | Fibrinogen beta chain | 1 | 1.568 | 7.645 | 6.275 |
| F1MBN5 | FOLR1; FOLR3 | Folate receptor alpha | 3 | 1.526 | 2.006 | 0.975 |
| P0CB32 | HSPA1L | Heat shock 70-kDa protein 1-like | 1 | 1.474 | 2.283 | 3.613 |
| Q27975 | HSPA1A | Heat shock 70-kDa protein 1A | 1 | 1.474 | 2.283 | 3.613 |
| Q27965 | HSPA1A | Heat shock 70-kDa protein 1B | 1 | 1.474 | 2.283 | 3.613 |
| G3X701 | LOC515966 | Uncharacterized protein | 2 | 1.44 | 1.708 | 2.409 |
| P05307 | P4HB | Protein disulfide-isomerase | 1 | 1.393 | 1.54 | 1.98 |
| Q0VCN9 | FOLR2 | Folate receptor 2 (Fetal) | 1 | 1.384 | 2.006 | 2.372 |
| G3MX65 | WFDC2 | Uncharacterized protein | 2 | 1.322 | 2.324 | 3.6 |
| G3X8G9 | — | Uncharacterized protein | 6 | 1.311 | 2.365 | 1.463 |
| Q865S1 | AP3D1 | AP-3 complex subunit delta-1 | 1 | 1.285 | 7.378 | 5.363 |
| Q2TBU0 | HP | Haptoglobin | 14 | 1.283 | 1.481 | 2.495 |
| A6H6Z5 | GALNT6 | Polypeptide N-acetylgalactosaminyl transferase 6 | 3 | 1.271 | 1.388 | 1.416 |
| E1BBX7 | LCNL1 | Uncharacterized protein | 2 | 1.24 | 2.655 | 8.647 |
| G5E5A7 | — | Uncharacterized protein | 34 | 1.142 | 1.536 | 1.602 |
| G3MX66 | VMO1 | Uncharacterized protein | 6 | 1.074 | 1.743 | 2.984 |
| F1MK50 | OBP2B | Uncharacterized protein | 3 | 1.056 | 1.341 | 2.985 |
| G3X799 | OBP | Uncharacterized protein | 9 | 0.944 | 1.437 | 1.674 |
| Q8SPU5 | BPIFA1 | BPI fold-containing family A member 1 | 4 | 0.791 | 5.438 | 5.007 |
| Downregulated protein | ||||||
| G3MZ19 | LOC100295741; ZG16B | HRPE773-like | 8 | 0.445 | 0.463 | 0.134 |
| A6QLQ8 | ENDOU | Poly(U)-specific endoribonuclease | 2 | 0.453 | 0.364 | 0.433 |
| A4IFU5 | HIST3H2A | Histone H2A | 3 | 0.43 | 0.443 | 0.539 |
| G5E5V1 | Uncharacterized protein | 2 | 0.56 | 0.306 | 0.581 | |