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The effect and significance of rhEPO to the expression of BCL-2 and Caspase-9 in the new type BPD model’ s lung tissue / 安徽医科大学学报
Acta Universitatis Medicinalis Anhui ; (6): 933-936, 2015.
Article in Chinese | WPRIM | ID: wpr-467600
ABSTRACT
Objective To explore the role of phosphatidylinositol 3-kinase/protein kinase B(PI3K/AKT) pathway in recombinant human erythropoietin( rhEPO) protecting new type BPD. Methods Injected LPS or PBS to 40 spra-gue-dawley (SD) rats, gestational sacs on 15th day of gestation, the newborn rats were divided into four groupscontrol group, hyperoxia group, rhEPO group, rhEPO+LY294002 group. To detect the expression of lung tissue BCL-2 and Caspase - 9 protein and mRNA by Western blot and RT-PCR. Results In the hyperoxia group and rhEPO+LY294002 group, BCL-2 expression was decreased,while Caspase-9 expression was increased apparently;in the rhEPO group, BCL-2 expression was increased, while Caspase-9 expression was decreased. The differences between each group were statistically significant on 1st,7th and 14th day of hyperoxia exposure (P<0. 05). Con-clusion Intrauterine inflammatory exposure combined with hyperoxia after birth can cause lung cell apoptosis in-creases. While rhEPO has certain control effects on BPD, possibly by reducing the pulmonary apoptosis. The mechanism may be associated with PI3K/AKT signaling pathway.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Acta Universitatis Medicinalis Anhui Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Acta Universitatis Medicinalis Anhui Year: 2015 Type: Article