1 材料与方法
1.1 试剂配制
1.2 细胞培养
1.3 试验设计
1.4 样品采集
1.5 测定指标及方法
1.6 数据处理与分析
2 结果与分析
2.1 IL-1Ra对LPS诱导的BMEC RGR的影响
图1 IL-1Ra对LPS诱导的奶牛乳腺上皮细胞相对增殖率的影响数据柱标相同小写字母表示差异不显著(P>0.05),不同小写字母表示差异显著(P<0.05)。 Fig.1 Effects of IL-1Ra on RGR of BMEC induced by LPS Value columns with the same small letter mean no significant difference (P>0.05), while with different small letters mean significant difference (P<0.05). |
2.2 IL-1Ra对LPS诱导的BMEC内抗氧化指标的影响
表1 IL-1Ra对LPS诱导的BMEC内抗氧化指标的影响Table 1 Effects of IL-1Ra on antioxidant indices in BMEC induced by LPS |
| 项目 Items | 组别Groups | SEM | P值 P-value | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 对照 Control | 脂多糖 LPS | ra0.25 | ra0.5 | ra1 | ra5 | ra10 | Lra0.25 | Lra0.5 | Lra1 | Lra5 | Lra10 | |||
| 谷胱甘肽过氧化物酶1 GPx1/(U/mg prot) | 80.00a | 50.96b | 73.67ab | 72.48ab | 75.68ab | 75.72ab | 75.41ab | 51.70b | 79.71a | 98.73a | 81.68a | 77.31ab | 6.42 | 0.002 3 |
| 硫氧还蛋白还原酶1 TrxR1/(U/g prot) | 9.79 | 8.87 | 9.38 | 9.63 | 9.64 | 9.35 | 9.51 | 9.19 | 9.22 | 9.75 | 9.22 | 9.21 | 0.21 | 0.343 1 |
| 超氧化物歧化酶SOD/(U/mL) | 17.05a | 7.01i | 16.33bc | 15.79cd | 15.57d | 15.66cd | 15.90cd | 8.93h | 10.20g | 16.64ab | 14.53e | 13.32f | 0.23 | <0.000 1 |
| 过氧化氢酶CAT/(U/mL) | 3.18a | 1.66b | 2.84a | 2.81a | 2.91a | 3.06a | 2.94a | 1.87b | 1.94b | 3.09a | 1.63b | 1.60b | 0.13 | <0.000 1 |
| 总抗氧化能力T-AOC/(U/mL) | 1.56a | 0.69d | 1.38a | 1.41a | 1.43a | 1.44a | 1.41a | 0.77cd | 1.09b | 1.48a | 0.90bc | 0.89bc | 0.06 | <0.000 1 |
| 丙二醛MDA/(nmol/mg prot) | 3.21d | 4.33a | 3.36cd | 3.22d | 3.23d | 3.12d | 3.12d | 3.78b | 3.41bcd | 3.14d | 3.64bc | 3.66bc | 0.11 | <0.000 1 |
同行数据肩标中不含有相同小写字母表示组间差异显著(P<0.05),反之差异不显著(P>0.05)。下表同。 | |
Values within a row without the same lowercase letter superscripts mean significant difference between groups (P<0.05). Conversely, the difference was not significant (P>0.05). The same as below. |
2.3 IL-1Ra对LPS诱导的BMEC内炎性因子、iNOS、NO及ROS含量的影响
表2 IL-1Ra对LPS诱导的BMEC内炎性因子、iNOS、NO及ROS含量的影响Table 2 Effects of IL-1Ra on inflammatory factors, iNOS, NO and ROS contents in BMEC induced by LPS |
| 项目 Items | 组别Groups | SEM | P值 P-value | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 对照 Control | 脂多糖 LPS | ra0.25 | ra0.5 | ra1 | ra5 | ra10 | Lra0.25 | Lra0.5 | Lra1 | Lra5 | Lra10 | |||
| 白细胞介素-1 IL-1/(pg/mL) | 42.40e | 98.62a | 35.77f | 35.17f | 34.04f | 34.07f | 31.87f | 65.19bc | 61.73cd | 34.97f | 59.22d | 69.96b | 1.82 | <0.000 1 |
| 白细胞介素-6 IL-6/(pg/mL) | 251.26ab | 256.21a | 239.18bc | 239.29bc | 236.84bcd | 239.62bc | 238.54bc | 236.43bcd | 230.48cd | 221.46d | 237.75bc | 238.49bc | 3.96 | 0.014 2 |
| 肿瘤坏死因子-α TNF-α/(pg/mL) | 224.94b | 241.51a | 226.16b | 226.40b | 225.43b | 227.44b | 229.16ab | 234.24ab | 230.47ab | 225.58b | 235.12ab | 237.54ab | 3.58 | 0.036 0 |
| 诱导型一氧化氮合酶 iNOS/(ng/mL) | 21.77cde | 23.53ab | 21.33de | 21.34de | 20.97e | 20.73e | 20.78e | 23.00abc | 21.95cde | 21.77cde | 22.37bcd | 23.66a | 0.33 | <0.000 1 |
| 一氧化氮 NO/(μmol/L) | 152.54cde | 168.12a | 147.48de | 148.29de | 148.53de | 146.92de | 144.58e | 154.33bcd | 154.02bcd | 149.81de | 160.09abc | 161.87ab | 2.00 | <0.000 1 |
| 活性氧ROS/(ng/mL) | 1.478b | 2.432a | 1.340b | 1.375b | 1.467b | 1.389b | 1.367b | 2.366a | 1.850ab | 1.266b | 1.634ab | 1.901ab | 0.224 | 0.028 9 |
