The expressions of SP A,SP B and SP CmRNA decreased at day 3 after BLM administration and decreased maximally at day 7,and then began to increase at day 14 and significantly increased at day 28,though they were still below the control levels.

• 灌注博莱霉素后第3天SP?A、SP?B及SP?CmRNA的表达即开始下降，7天时降至最低点，而后于14天时开始回升，至28天时上升最明显。 但仍低于正常。