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Xu H, Shi D, Chen K. Inhibition of vascular remodelling in a porcine coronary injury model by herbal extract XS0601. Chin Med. 2006;1:2doi: 10.1186/1749-8546-1-2.
Xu, H., Shi, D., & Chen, K. (2006). Inhibition of vascular remodelling in a porcine coronary injury model by herbal extract XS0601. Chinese medicine, 12. https://doi.org/10.1186/1749-8546-1-2
Xu, Hao, et al. "Inhibition of vascular remodelling in a porcine coronary injury model by herbal extract XS0601." Chinese medicine vol. 1 (2006): 2. doi: https://doi.org/10.1186/1749-8546-1-2
Xu H, Shi D, Chen K. Inhibition of vascular remodelling in a porcine coronary injury model by herbal extract XS0601. Chin Med. 2006 Nov 23;1:2. doi: 10.1186/1749-8546-1-2. PMID: 17302965; PMCID: PMC1761146.
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Chin Med. 2006 Nov 23;1:2. doi: 10.1186/1749-8546-1-2.

Inhibition of vascular remodelling in a porcine coronary injury model by herbal extract XS0601.

Chinese medicine

Hao Xu, Dazhuo Shi, Keji Chen

Affiliations

  1. National Integrative Medicine Centre for Cardiovascular Diseases, China-Japan Friendship Hospital, 2 Yinghuayuan East Street, Chaoyang District, Beijing 100029, China. [email protected]

PMID: 17302965 PMCID: PMC1761146 DOI: 10.1186/1749-8546-1-2

Abstract

BACKGROUND: Arterial remodelling is a major pathologic change of restenosis after percutaneous coronary intervention (PCI). Our previous studies showed that XS0601 (consisting of Chuangxingol and paeoniflorin) had some effects on the prevention of restenosis after PCI. Therefore, the purpose of this study was to examine whether and how its mechanism was related to the regulation of the arterial remodelling after endothelial injury by balloon dilation.

METHODS: Twenty Chinese mini-pigs were randomized into four groups: control, probucol, low-dose XS0601 and high-dose XS0601 group before oversized balloon injury of the left anterior descending coronary arteries. Starting from two days before balloon injury, the mini-pigs in the treated group were administered with probucol (2 g/day) and XS0601 (0.02 g/kg/day for low dose; 0.04 g/kg/day for high dose) for four weeks after balloon injury. The animals receiving balloon injury alone were used as control. Morphometric and angiographic analysis of the injured arteries were performed.

RESULTS: The contribution of intimal hyperplasia and arterial remodelling to angiographic late lumen loss was 41% and 59% respectively. XS0601 markedly inhibited proliferation of smooth muscle cells (SMCs) and transformation of SMCs from contractile to synthetic phenotype in neointima, inhibited hyperplasia-related indices of morphometric analysis and reduce late angiographic lumen loss. The reduction of the late angiographic lumen loss resulting from vascular remodelling was greater after XS0601 treatment.

CONCLUSION: Both intimal hyperplasia and vascular remodelling are attributed to late lumen loss in this porcine coronary injury model. XS0601 markedly reduced angiographic late lumen loss resulting from intimal hyperplasia, vascular remodelling and XS0601 may be a potential agent to prevent restenosis after PCI.

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