1. 药物制剂
2. 体外抗炎作用
与阴性对照组相比,脂质体滴眼剂对巨噬细胞分泌炎性细胞因子NO和TNF- a的抑制作用更明显(p<0.01)。与阳性对照组相比,阳性对照组(地塞米松溶液,250μg/mL)与脂质体(18250μg/mL)的体外抗炎作用无显著差异(p﹥0.05)。说明脂质体滴眼液具有良好的体外抗炎作用。结果如表和图所示。
Table. Effect on NO and TNF-α secretion in RAW264.7 cells. (mean ±SD, n=6)
Group |
NO concentrations(μmol/L) |
TNF-α concentrations(μmol/L) |
|
Blank control |
4.62±0.26 |
78.6±3.69 |
|
LPS |
19.45±0.74 |
7737.3±251.75 |
|
Liposomes(μg/ml) |
3 |
9.31±0.55 |
5527.6±225.83 |
10 |
7.96±0.29* |
3529.2±189.17* |
|
18 |
5.73±0.22** |
2549.3±134.17** |
|
24 |
5.46±0.34** |
1563.4±83.33** |
|
30 |
4.20±0.23** |
556.9±28.67** |
|
Negative control |
10.12±0.62 |
5387.79±226.45 |
|
Positive control |
5.81±0.24** |
2413.9±148.5** |
Note: * means the difference is significant compared with the LPS group (P < 0.05), ** means the difference is very significant (P < 0.01).
Fig. 8. (A) Effect on TNF-α secretion of RAW264.7 cells, (B) Effect on the secretion of inflammatory mediator NO in RAW264.7 cells.
3. 体内抗炎效果
体内抗炎效果结果见下图。
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