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Table 1 The differentially expressed proteins from hypothalamus in pigs under HS

From: Proteomic study of hypothalamus in pigs exposed to heat stress

Protein name

Accession number

Peptides

Ratio (Heat stress/Control)

Functions

Down-regulated in Hypothalamus

 Heat shock 70 kDa protein 12A

gi|350,593,095

7

0.439

ATP binding

 Similar to V-type proton ATPase subunit E 1 isoform 2

gi|350,584,473

6

0.513

hydrogen-exporting ATPase activity, phosphorylative mechanism

 HPCA

gi|115,394,790

7

0.151

actin binding and calcium ion binding

 Heat shock 90kD protein 1, beta

gi|346,986,428

15

0.666

GTP, CTP binding and UTP binding, chaperones

 Similar to protein kinase C and casein kinase substrate in neurons protein 1-like

gi|335,292,069

7

0.179

cytoskeletal protein binding

 Tubulin polymerization promoting protein p25 alpha

gi|170,178,280

7

0.225

microtubule binding and calcium ion binding

 Similar to annexin A6-like

gi|350,594,505

10

0.611

calcium ion binding

 Similar to tubulin alpha-4A chain

gi|335,303,414

18

0.161

protein binding and GTP binding

 Na+/K+ transporting alpha 3 polypeptide

gi|283,443,672

25

0.282

metal ion binding and sodium: potassium-exchanging ATPase activity

 Similar to pyruvate kinase isozymes M1/M2 isoform 1

gi|194,038,728

17

0.4

pyruvate kinase activity

 Similar to guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-2-like isoform 2

gi|311,251,041

5

0.474

signal transducer activity

 Similar to erythrocyte membrane protein band 4.1-like 1 isoform 1

gi|335,304,751

9

0.601

actin binding and structural molecule activity

 Tubulin beta-2B chain

gi|343,478,189

16

0.154

structural molecule activity

 Clathrin heavy chain

gi|224,492,556

38

0.362

ankyrin binding and structural molecule activity

 Similar to contactin-1-like isoform 2

gi|350,584,500

12

0.343

glycoprotein binding and carbohydrate binding

hexokinase 1

gi|342,187,282

15

0.637

hexokinase activity

 Similar to synaptic vesicle glycoprotein 2A

gi|194,036,298

6

0.325

Receptor and transmembrane transporter activity

 Galectin-1

gi|47,716,872

7

0.431

signal transducer activity and laminin binding

 Synapsin Ib

gi|212,525,788

13

0.205

ATP binding and actin binding

 Similar to tubulin alpha-1D chain

gi|194,043,861

17

0.121

GTP binding and protein heterodimerization activity

Up-regulated protein in hypothalamus

 Annexin A2

gi|52,631,987

14

2.322

phosphatidylinositol-4,5-bisphosphate binding

 Hsp27

gi|55,668,280

6

2.771

protein kinase C binding and protein kinase C inhibitor activity

 Similar to annexin A11

gi|194,042,189

6

2.757

serine-type endopeptidase inhibitor activity

 Similar to prohibitin

gi|3a50590415

6

1.519

sequence-specific DNA binding RNA polymerase II transcription factor activity

 Similar to glyoxalase domain-containing protein 4-like

gi|335,298,275

7

1.616

Amino acid transport and metabolism

 Stress-70 protein, mitochondrial

gi|311,250,237

16

2.105

ATP binding and unfolded protein binding, testosterone 17-beta-dehydrogenase (NADP+)

 Similar to protein disulfide-isomerase A4-like

gi|311,264,773

11

1.889

electron carrier activity and protein binding

 long-chain 3-ketoacyl-CoA thiolase

gi|6,165,556

7

3.162

NAD binding and long-chain- enoyl-CoA hydratase activity

 Similar to ezrin

gi|350,578,005

9

4.869

cell adhesion molecule binding and actin filament binding

 Gastrin-binding protein

gi|433,066

9

2.614

acetyl-CoA C-acetyltransferase activity

 Ppk 98; a protein kinase

gi|431,944

20

1.783

virion and calcium ion binding

 78 kDa glucose-regulated protein

gi|350,579,657

22

1.634

chaperone binding and unfolded protein binding

 Heat shock 10kD protein

gi|30,525,868

7

10.249

chaperone binding

 Similar to caldesmon

gi|311,275,365

5

2.353

Calmodulin, actin and myosin binding

 Similar to annexin A5

gi|335,293,906

12

2.117

calcium ion binding; binding, bridging

 Similar to annexin A11

gi|194,042,189

6

2.757

serine-type endopeptidase inhibitor activity

 Similar to selenium-binding protein 1

gi|194,036,227

20

2.677

selenium and protein binding

 Non-selenium glutathione phospholipid hydroperoxide peroxidase (PHGPx)

gi|6,689,393

7

2.148

glutathione peroxidase activity

 Similar to serpin A3–8

gi|350,587,171

10

4.428

serine-type endopeptidase inhibitor activity

 Glucosidase 2 subunit beta precursor

gi|347,446,687

6

1.733

phosphatidylinositol binding