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Abstract Title:

[Effect of puerarin on hypoxic pulmonary hypertension and accompanying pulmonary fibrosi].

Abstract Source:

Zhongguo Zhong Yao Za Zhi. 2018 Jun ;43(12):2618-2623. PMID: 29950085

Abstract Author(s):

Xiao-Dan Zhang, Wei Du, Chen Zhang, Shu-Jing Wang, Jie-Jing Sheng, Yue Li, Gen-le Si, Da-Ling Zhu

Article Affiliation:

Xiao-Dan Zhang

Abstract:

To investigate the effect and regulatory mechanism of puerarin on pulmonary arterial hypertension due to hypoxia and the possible accompanying pulmonary fibrosis, The rat model of hypoxic pulmonary hypertension and the rat model of hypoxia were established. Totally 18 clean-grade SD rats were fed and randomly divided into normal control group, model group and hypoxia+medicine group. Each group received intraperitoneal injection 30 min before modeling every day; hypoxia+medicine group was injected with 20 mg·kg⁻¹ puerarin. Normal control group and model group were injected with the equal volume of 0.9% NaCl solution. Normal control group was cultured under normal conditions in the laboratory, while model group and hypoxia+medicine group were cultured in ahypoxia environment for 21 days to observe rat hypoxic characteristics and make the preliminary judgment about modeling. Afterwards, small animal echocardiography, right cardiac catheterization, HE dyeing and other experiments were used to verify the successful modeling, and puerarin has a therapeutic effect in pulmonary hypertension caused by hypoxia in SD rats. Fluorescence quantitative PCR, Western blot and immunofluorescence method were used to detect the changes caused by hypoxia pulmonary fibrosis-associated protein. It was found that puerarin could be given in anoxia to promote the expressions of CD31, VE-cadherin, inhibit the expressions of α-SMA, vimentin and fibronection, namely the inhibition of vascular wall thickening. Puerarin has the therapeutic effect on the pulmonary hypertension and accompanying pulmonary fibrosis in rats induced by hypoxia.

Study Type : Animal Study

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