目的观察乌司他丁对脓毒症大鼠炎症因子及细胞免疫的调节作用。方法按随机数字表法将290只雄性SD大鼠分为假手术组(A组) 15只,模型组(B组)、治疗组(C组)、实验1组(D组)、实验2组(E组)、实验3组(F组)各55只,B、C、D、E、F组采用盲肠结扎...目的观察乌司他丁对脓毒症大鼠炎症因子及细胞免疫的调节作用。方法按随机数字表法将290只雄性SD大鼠分为假手术组(A组) 15只,模型组(B组)、治疗组(C组)、实验1组(D组)、实验2组(E组)、实验3组(F组)各55只,B、C、D、E、F组采用盲肠结扎打孔制备脓毒症模型,A组只开腹、关腹。建模成功后剔除死亡大鼠,A组及B组术后皮下注射生理盐水;C组在B组的基础上应用左氧氟沙星;D、E、F组分别在C组基础上应用乌司他丁10万、25万、50万U/kg。各组大鼠观察至6 h(T1)、24 h(T2)、48 h(T3)时,分别取当时存活大鼠10只处死后取血,用ELISA法检测血清IL-6、TNF-α、IL-10,采用流式细胞仪检测T淋巴细胞亚群。结果与B组比较,T3时C、D、E、F组IL-6、TNF-α、IL-10降低,CD3^(+)、CD4^(+)、CD4^(+)/CD8^(+)比值升高[IL-6(pg/m L):256.72±32.28 vs. 226.32±29.10(C) vs. 198.82±25.99(D) vs. 173.55±21.80(E) vs.170.82±23.70(F);TNF-α(pg/m L):105.96±16.36 vs. 89.93±15.87(C) vs. 75.25±13.48(D)vs. 62.88±10.25(E) vs. 61.43±10.46(F);IL-10(pg/m L):36.48±6.30 vs. 29.48±5.97 (C) vs.24.22±4.06(D) vs. 19.58±3.04(E) vs. 18.78±3.18(F);CD3^(+)(%):39.77±4.45 vs. 44.28±3.99(C) vs. 48.10±4.79(D) vs. 53.88±5.09(E) vs. 52.33±5.39(F);CD4^(+)(%):28.65±3.26 vs.32.79±3.23(C) vs. 36.19±2.74(D) vs. 39.04±2.30 (E) vs. 39.42±3.17 (F);CD4^(+)/CD8^(+)(%):48.19±6.07 vs. 55.02±7.43(C) vs. 62.80±5.89(D) vs. 88.48±9.42(E) vs. 87.56±8.79(F);均P <0.05];与B组比较,T2时E、F组IL-6、TNF-α、IL-10降低,CD3^(+)、CD4^(+)、CD4^(+)/CD8^(+)比值升高[IL-6(pg/m L):268.84±30.50 vs. 228.58±33.47 (E) vs. 229.27±32.28 (F);TNF-α(pg/m L):114.11±16.67 vs. 96.64±16.66(E) vs. 95.56±15.44(F);IL-10(pg/m L):19.16±4.73 vs. 15.33±2.95(E) vs. 15.18±2.51 (F);CD3^(+)(%):44.36±4.21 vs. 49.50±4.47(E) vs.48.31±4.73(F);CD4^(+)(%):33.24±3.89 vs. 37.63±2.95(E) vs. 36.76±4.01(F);CD4^(+)/CD8^(+)(%):81.34±8.69 vs. 92.90±6.35(E) vs. 93.44±7.48(F);均P <0.05];与C组比较,T3时D、E、F组IL-6、TNF-α、IL-10降低,CD3^(+)、CD4^(+)、CD4^(+)/CD8^(+)比值升高[IL-6(pg/m L):226.32±29.10 vs. 198.82±25.99(D) vs. 173.55±21.80(E) vs. 170.82±23.70(F);TNF-α(pg/m L):89.93±15.87 vs. 75.25±13.48(D) vs. 62.88±10.25 (E) vs. 61.43±10.46 (F);IL-10 (pg/m L):29.48±5.97 vs. 24.22±4.06(D) vs. 19.58±3.04 (E) vs. 18.78±3.18 (F);CD3^(+)(%):44.28±3.99 vs.48.10±4.79(D) vs. 53.88±5.09 (E) vs. 52.33±5.39 (F);CD4^(+)(%):32.79±3.23 vs. 36.19±2.74(D) vs. 39.04±2.30 (E) vs. 39.42±3.17 (F);CD4^(+)/CD8^(+)(%):55.02±7.43 vs. 62.80±5.89(D) vs. 88.48±9.42(E) vs. 87.56±8.79(F);均P <0.05]。与D组比较,T3时E、F组IL-6、TNF-α、IL-10降低,CD3^(+)、CD4^(+)、CD4^(+)/CD8^(+)比值升高[IL-6(pg/m L):198.82±25.99 vs.173.55±21.80(E) vs. 170.82±23.70(F);TNF-α(pg/m L):75.25±13.48 vs. 62.88±10.25 (E)vs. 61.43±10.46 (F);IL-10 (pg/m L):24.22±4.06 vs. 19.58±3.04 (E) vs. 18.78±3.18 (F);CD3^(+)(%):48.10±4.79 vs. 53.88±5.09(E) vs. 52.33±5.39(F);CD4^(+)(%):36.19±2.74 vs.39.04±2.30 (E) vs. 39.42±3.17 (F);CD4^(+)/CD8^(+)(%):62.80±5.89 vs. 88.48±9.42(E) vs.87.56±8.79(F);均P <0.05]。结论乌司他丁可减轻脓毒症大鼠的炎症反应,改善脓毒症大鼠的细胞免疫功能,应用25万U/kg剂量较为合理。展开更多
文摘目的观察乌司他丁对脓毒症大鼠炎症因子及细胞免疫的调节作用。方法按随机数字表法将290只雄性SD大鼠分为假手术组(A组) 15只,模型组(B组)、治疗组(C组)、实验1组(D组)、实验2组(E组)、实验3组(F组)各55只,B、C、D、E、F组采用盲肠结扎打孔制备脓毒症模型,A组只开腹、关腹。建模成功后剔除死亡大鼠,A组及B组术后皮下注射生理盐水;C组在B组的基础上应用左氧氟沙星;D、E、F组分别在C组基础上应用乌司他丁10万、25万、50万U/kg。各组大鼠观察至6 h(T1)、24 h(T2)、48 h(T3)时,分别取当时存活大鼠10只处死后取血,用ELISA法检测血清IL-6、TNF-α、IL-10,采用流式细胞仪检测T淋巴细胞亚群。结果与B组比较,T3时C、D、E、F组IL-6、TNF-α、IL-10降低,CD3^(+)、CD4^(+)、CD4^(+)/CD8^(+)比值升高[IL-6(pg/m L):256.72±32.28 vs. 226.32±29.10(C) vs. 198.82±25.99(D) vs. 173.55±21.80(E) vs.170.82±23.70(F);TNF-α(pg/m L):105.96±16.36 vs. 89.93±15.87(C) vs. 75.25±13.48(D)vs. 62.88±10.25(E) vs. 61.43±10.46(F);IL-10(pg/m L):36.48±6.30 vs. 29.48±5.97 (C) vs.24.22±4.06(D) vs. 19.58±3.04(E) vs. 18.78±3.18(F);CD3^(+)(%):39.77±4.45 vs. 44.28±3.99(C) vs. 48.10±4.79(D) vs. 53.88±5.09(E) vs. 52.33±5.39(F);CD4^(+)(%):28.65±3.26 vs.32.79±3.23(C) vs. 36.19±2.74(D) vs. 39.04±2.30 (E) vs. 39.42±3.17 (F);CD4^(+)/CD8^(+)(%):48.19±6.07 vs. 55.02±7.43(C) vs. 62.80±5.89(D) vs. 88.48±9.42(E) vs. 87.56±8.79(F);均P <0.05];与B组比较,T2时E、F组IL-6、TNF-α、IL-10降低,CD3^(+)、CD4^(+)、CD4^(+)/CD8^(+)比值升高[IL-6(pg/m L):268.84±30.50 vs. 228.58±33.47 (E) vs. 229.27±32.28 (F);TNF-α(pg/m L):114.11±16.67 vs. 96.64±16.66(E) vs. 95.56±15.44(F);IL-10(pg/m L):19.16±4.73 vs. 15.33±2.95(E) vs. 15.18±2.51 (F);CD3^(+)(%):44.36±4.21 vs. 49.50±4.47(E) vs.48.31±4.73(F);CD4^(+)(%):33.24±3.89 vs. 37.63±2.95(E) vs. 36.76±4.01(F);CD4^(+)/CD8^(+)(%):81.34±8.69 vs. 92.90±6.35(E) vs. 93.44±7.48(F);均P <0.05];与C组比较,T3时D、E、F组IL-6、TNF-α、IL-10降低,CD3^(+)、CD4^(+)、CD4^(+)/CD8^(+)比值升高[IL-6(pg/m L):226.32±29.10 vs. 198.82±25.99(D) vs. 173.55±21.80(E) vs. 170.82±23.70(F);TNF-α(pg/m L):89.93±15.87 vs. 75.25±13.48(D) vs. 62.88±10.25 (E) vs. 61.43±10.46 (F);IL-10 (pg/m L):29.48±5.97 vs. 24.22±4.06(D) vs. 19.58±3.04 (E) vs. 18.78±3.18 (F);CD3^(+)(%):44.28±3.99 vs.48.10±4.79(D) vs. 53.88±5.09 (E) vs. 52.33±5.39 (F);CD4^(+)(%):32.79±3.23 vs. 36.19±2.74(D) vs. 39.04±2.30 (E) vs. 39.42±3.17 (F);CD4^(+)/CD8^(+)(%):55.02±7.43 vs. 62.80±5.89(D) vs. 88.48±9.42(E) vs. 87.56±8.79(F);均P <0.05]。与D组比较,T3时E、F组IL-6、TNF-α、IL-10降低,CD3^(+)、CD4^(+)、CD4^(+)/CD8^(+)比值升高[IL-6(pg/m L):198.82±25.99 vs.173.55±21.80(E) vs. 170.82±23.70(F);TNF-α(pg/m L):75.25±13.48 vs. 62.88±10.25 (E)vs. 61.43±10.46 (F);IL-10 (pg/m L):24.22±4.06 vs. 19.58±3.04 (E) vs. 18.78±3.18 (F);CD3^(+)(%):48.10±4.79 vs. 53.88±5.09(E) vs. 52.33±5.39(F);CD4^(+)(%):36.19±2.74 vs.39.04±2.30 (E) vs. 39.42±3.17 (F);CD4^(+)/CD8^(+)(%):62.80±5.89 vs. 88.48±9.42(E) vs.87.56±8.79(F);均P <0.05]。结论乌司他丁可减轻脓毒症大鼠的炎症反应,改善脓毒症大鼠的细胞免疫功能,应用25万U/kg剂量较为合理。