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Effect of Xuefu Zhuyu Capsule (血府逐瘀胶囊) on Angiogenesis in Hindlimb Ischemic Rats

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Abstract

Objective

To investigate the effect and mechanism of Xuefu Zhuyu Capsule (血府逐瘀胶囊, XZC) on pro-angiogenesis in the hindlimb ischemic model rats.

Methods

A total of 100 Sprague Dawley rats were randomly divided into a model group, a regular-dose XZC group (0.48 g•kg-1•d-1) and a high-dose XZC group (0.96 g•kg-1•d-1) using random number table method. The model of hindlimb ischemic rats were made through femoral artery embolization with Bletilla microsphere agent. XZC were given on the first day after embolization surgery and lasted 5 days. Finally 72 models were obtained with 12 in each group for each time point. The lower ischemic limb was amputated on the third day after embolization surgery. Histopathological characters and the number of blood vessels of granulation tissues were observed at 36 and 48 h after amputation, respectively. The main genes were obtained from microarray analysis and were validated using real-time quantitative polymerase chain reaction.

Results

The vascular number of granulation tissues at both 36 and 48 h were characterized by new and fresh vessels. The number of angiogenesis in the high-dose XZC group at 36 and 48 h was greater compared with that in the regular-dose XZC and model groups (P<0.01), and high-dose XZC at 36 h increased more vessels than that at 48 h (P<0.01). Consequently, granulation tissues from the high-dose XZC group at 36 h were chosen for microarray analysis. In all, 2,085 differentially expressed genes (DEGs) were detected and 25 DEGs were determined to be directly related to angiogenesis. Four biological process terms were found including angiogenesis, regulation of angiogenesis, positive regulation of angiogenesis, and positive regulation of vascular endothelial growth factor receptor signaling pathway (P<0.05). Microarray analysis also showed 49 pathways including 11 pathways related to angiogenesis.

Conclusion

XZC promoted angiogenesis moderately and the mechanism involved multiple DEGs and multiple pathways.

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Authors and Affiliations

  1. Laboratory of Cardiovascular Disease, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China

    Wei-li Shi & Ke-ji Chen

  2. Cardiovascular Department, the Third Affiliated Hospital of Henan University of Traditional Chinese Medicine, Zhengzhou, 450008, China

    Peng-fei Lu

  3. Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, 350108, China

    Dong Gao

  4. Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing, 100700, China

    Jun Song

Authors
  1. Wei-li Shi
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  2. Peng-fei Lu
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  3. Dong Gao
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  4. Jun Song
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  5. Ke-ji Chen
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Contributions

Shi WL is responsible for the most work of the experiment, including model production, HE staining and analysis of results. Lu PF assisted in the production of animal models and HE staining. Gao D supervised the implementation of the whole experiment and assisted in the writing of this article. Song J supervised the implementation of the whole experiment. Chen KJ reviewed the entire work and article.

Corresponding author

Correspondence to Jun Song.

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Conflict of Interest

The authors declare that there are no conflicts of interest regarding the publication of this paper.

Supported by the National Natural Science Foundation of China (No. 81072933, 81173431) and the Beijing Natural Science Foundation Program (No. 7122120)

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Shi, Wl., Lu, Pf., Gao, D. et al. Effect of Xuefu Zhuyu Capsule (血府逐瘀胶囊) on Angiogenesis in Hindlimb Ischemic Rats. Chin. J. Integr. Med. 26, 39–45 (2020). https://doi.org/10.1007/s11655-019-3059-x

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  • DOI: https://doi.org/10.1007/s11655-019-3059-x

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