Table 5.

Microarray analysis of jejunum in piglets fed diets with different proportions of crude protein.

Item	Regulation	Gene symbol	Genbank accession	Gene name	P-value1
1	up	HTR1D	NM_214158	5-hydroxytryptamine (serotonin) receptor 1D, G protein-coupled	0.0015
2	up	BMP3	NM_001206388	bone morphogenetic protein 3	0.0423
3	up	HMX3		H6 family homeobox 3	0.0454
4	up	IFIT3	NM_001204395	interferon-induced protein with tetratricopeptide repeats 3	0.0475
5	up	MMP11	XM_001929445	matrix metallopeptidase 11 (stromelysin 3)	0.0485
6	up	SLA-6	NM_001113704	MHC class I antigen 6	0.0281
7	up	OBFC1	NM_001243685	oligonucleotide/oligosaccharide -binding fold containing 1	0.0425
8	up	PGLYRP4	NM_001244284	peptidoglycan recognition protein 4	0.0392
9	up	LOC100154160	AK235490	phosphoserine aminotransferase	0.0437
10	up	LOC100154160	AK235490	phosphoserine aminotransferase	0.0499
11	up	RUNX1T1	AK396951	runt-related transcription factor 1; translocated to, 1 (cyclin D-related)	0.0230
12	up	SEMA6D	XM_003121524	sema domain, transmembrane domain (TM), and cytoplasmic domain, (semaphorin) 6D	0.0498
13	down	ANG1	NM_001044573	angiogenin	0.0243
14	down	ANG1	NM_001044573	angiogenin	0.0329
15	down	ANG1	NM_001044573	angiogenin	0.0288
16	down	ATP4B	NM_001001258	ATPase, H+/K+ exchanging, beta polypeptide	0.0347
17	down	ATP4B	NM_001001258	ATPase, H+/K+ exchanging, beta polypeptide	0.0214
18	down	BPI	NM_001159307	bactericidal/permeability -increasing protein	0.0386
19	down	BPI	NM_001159307	bactericidal/permeability -increasing protein	0.0451
20	down	BST2	NM_001161755	bone marrow stromal cell antigen 2	0.0136
21	down	CCL2	NM_214214	chemokine (C-C motif) ligand 2	0.0030
22	down	CCL28	NM_001024695	chemokine (C-C motif) ligand 28	0.0248
23	down	CXCL2	NM_001001861	chemokine (C-X-C motif) ligand 2	0.0258
24	down	CSF2	NM_214118	colony stimulating factor 2 (granulocyte-macrophage)	0.0300
25	down	LOC100037951	NM_001097448	complement component C9	0.0103
26	down	CRISP3	AK399726	cysteine-rich secretory protein 3	0.0304
27	down	CYTB	AK399730	cytochrome b	0.0336
28	down	DUOX2	NM_213999	dual oxidase 2	0.0344
29	down	DUOX2	NM_213999	dual oxidase 2	0.0093
30	down	DUOXA2	NM_001243550	dual oxidase maturation factor 2	0.0334
31	down	EGFL8	NM_001123111	EGF-like-domain, multiple 8	0.0488
32	down	E3	NM_001244471	Epididymal secretory protein E3	0.0262
33	down	FCN2	NM_213868	ficolin (collagen/fibrinogen domain containing lectin) 2 (hucolin)	0.0402
34	down	FXYD3	NM_214208	FXYD domain containing ion transport regulator 3	0.00515
35	down	GIF	AK400404	gastric intrinsic factor (vitamin B synthesis)	0.0366
36	down	GLUL	NM_213909	glutamate-ammonia ligase	0.0182
37	down	GLUL	AK230941	glutamate-ammonia ligase	0.0360
38	down	LOC100156419	AK232803	homer 2	0.0184
39	down	HSD11B1	NM_214248	hydroxysteroid (11-beta) dehydrogenase 1	0.0330
40	down	LTF	NM_214362	lactotransferrin	0.0433
41	down	ND3	AK391734	NADH dehydrogenase subunit 3	0.0500
42	down	ND4	AK389834	NADH dehydrogenase subunit 4	0.0124
43	down	KCNA1	EF424223	potassium voltage-gated channel, shaker-related subfamily, member 1 (episodic ataxia with myokymia)	0.0018
44	down	REG3G	NM_001144847	regenerating islet-derived 3 gamma	0.0175
45	down	REG4	NM_001190251	regenerating islet-derived family, member 4	0.0049
46	down	RNASE1	NM_001167655	ribonuclease, RNase A family, 1 (pancreatic)	0.0187
47	down	SDS	AK233471	serine dehydratase	0.0207
48	down	TCN1	X52566	transcobalamin I (vitamin B12 binding protein, R binder family)	0.0199
49	down	LOC100621891	X52566	transcobalamin-1-like	0.0167
50	down	LOC100621891	AK391024	transcobalamin-1-like	0.0164
51	down	LOC100516673	XR_130576	transmembrane protease serine 6-like	0.0490
52	down	TNNC2	NM_001001862	troponin C type 2 (fast)	0.0488

¹Parametric P-value of the univariate test.