. 2015 Nov 18;1(4):313–319. doi: 10.1016/j.aninu.2015.11.005

Table 9.

Gene expression in the ileum of broilers for different dietary leucine levels.

Item	Day	Group
Item	Day	1.37TM	1.77TM	2.17TM	2.57TM
mTOR	7	1.13 ± 0.18^a	1.15 ± 0.04^a	1.38 ± 0.06^b	1.30 ± 0.11^ab
	14	1.18 ± 0.15^a	1.81 ± 0.24^b	1.83 ± 0.07^b	1.70 ± 0.15^b
	21	0.83 ± 0.09^a	0.95 ± 0.17^ab	1.09 ± 0.24^b	0.75 ± 0.05^a
S6K1	7	1.34 ± 0.11	1.44 ± 0.32	1.57 ± 0.23	1.47 ± 0.17
	14	1.79 ± 0.11^a	2.31 ± 0.16^b	2.29 ± 0.25^b	2.08 ± 0.20^b
	21	0.99 ± 0.22^a	1.02 ± 0.13^a	1.27 ± 0.06^b	1.31 ± 0.14^b
4E-BP1	7	1.67 ± 0.27	1.59 ± 0.19	1.78 ± 0.19	1.64 ± 0.25
	14	2.05 ± 0.11	2.14 ± 0.19	2.36 ± 0.25	2.31 ± 0.24
	21	1.36 ± 0.18^a	1.36 ± 0.13^a	1.81 ± 0.16^b	1.65 ± 0.20^b

1.37TM = 1.37% leucine in the nutrient composition, etc; mTOR = mammalian target of rapamycin; S6K1 = p70 ribosomal protein S6 kinase 1; 4E-BP1 = eukaryotic translation initiation factor 4E binding protein 1.

^a,b Within a row, means with different superscripts differ significantly (P < 0.05).