Table 2.
The effects of LPS inclusion (control, LPS50, and LPS100) and aging (1 or 14 d) on tenderness (WBSF), proteolysis (Troponin-T, Desmin), and isoprostane content (n = 29)
| Variable | Aging | Treatment1 | P-values | |||||
|---|---|---|---|---|---|---|---|---|
| Control | LPS50 | LPS100 | SEM | Trt | Age | Trt*Age | ||
| WBSF, kg | 1 | 8.06x | 6.59x | 7.27x | 0.39 | 0.10 | <0.0001 | 0.13 |
| 14 | 2.77y | 2.42y | 2.36y | 0.13 | 0.90 | |||
| Troponin-T degradation, % | 1 | 6.85by | 10.32ay | 6.24by | 1.08 | 0.02 | <0.0001 | 0.88 |
| 14 | 47.73x | 49.19x | 41.68x | 8.33 | 0.78 | |||
| Desmin degradation, % | 1 | 3.01y | 4.17y | 3.54y | 1.49 | 0.85 | <0.0001 | 0.08 |
| 14 | 55.02x | 41.73x | 54.94x | 4.92 | 0.10 | |||
| Isoprostane content2 | 1 | 165.51 | 239.51 | 219.95 | 30.61 | 0.21 | n/a | n/a |
1Control, saline injection; LPS50, 50 ng LPS/kg BW; LPS100, 100 ng LPS/kg BW.
2Larger 8-isoprostane content indicates a greater degree of oxidative stress within the sample, pg/mL.
a,bMeans within the same row with different superscripts denote treatment differences (P < 0.05).
x,yMeans within the same column of a variable with different superscripts denote significant differences (P < 0.05).