. 2020 Dec 18;7(2):421–429. doi: 10.1016/j.aninu.2020.08.005

Table 8.

Relative mRNA expression levels of mitochondria respiratory chain related genes in skeletal muscle of Xiangcun black finishing pigs fed the diets with various levels of mulberry powder.

Item	Mulberry inclusion level, %					SEM	P-value
Item	0	3	6	9	12	SEM	ANOVA	Linear	Quadratic
Longissimus dorsi muscle
PGC-1α	0.85	0.81	0.68	0.85	0.89	0.12	0.80	0.74	0.59
Nrf2	1.53^b	1.43^bc	1.47^bc	1.96^a	1.05^c	0.15	<0.01	0.44	0.15
UCP2	0.93	0.70	0.91	0.79	1.12	0.11	0.11	0.20	0.08
UCP3	0.99^ab	0.80^b	0.77^b	1.11^ab	1.23^a	0.13	0.08	0.07	0.03
Biceps femoris muscle
PGC-1α	1.29^b	0.85^b	1.24^b	1.78^a	0.91^b	0.16	<0.01	0.78	0.63
Nrf2	1.25^a	0.53^b	0.83^b	0.71^b	0.62^b	0.11	<0.01	0.01	0.01
UCP2	0.99^b	0.92^b	1.66^a	1.18^b	1.21^b	0.15	0.01	0.20	0.11
UCP3	0.65^b	0.54^b	0.58^b	0.71^b	1.39^a	0.11	<0.01	<0.01	<0.01

PGC-1α = peroxisome proliferator-activated receptor γ coactiva-tor-1α; Nrf2 = nuclear respiratory factor 2; UCP2 = uncoupling protein-2; UCP3 = uncoupling protein-3.

^{a, b, c} Within a row, values with different superscript letters differ (P < 0.05). n = 6.