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高氧致新生鼠肺VEGF、PECAM-1、HIF-1α mRNA的动态改变 被引量:2

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摘要 目的研究高氧吸入致新生鼠肺VEGF、HIF-1α,PECAM-1mRNA的动态改变,探讨高氧对发育中鼠肺微血管损伤的调节机制。方法采用新生SD大鼠制作CLD模型,RT-PCR技术检测实验组和对照组在生后1、4、7、14、21天肺组织VEGF、PECAM-1、HIF-1αmRNA表达。结果新生鼠肺VEGF、PECAM-1mRNA表达量随生后日龄增长而增加,高氧导致VEGF、PECAM-1及HIF-1α表达减少。结论高氧导致肺组织VEGF、PECAM-1及HIF-1αmRNA表达减少。推测,高氧可能通过抑制HIF-1-VEGF信号通路或者直接损伤内皮细胞干扰肺血管发育过程。致CLD的病理改变。
出处 《中国优生与遗传杂志》 2007年第7期21-23,12,共4页 Chinese Journal of Birth Health & Heredity
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同被引文献35

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