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Effects of baicalin on collagen Ι and collagen ΙΙΙ expression in pulmonary arteries of rats with hypoxic pulmonary hypertension

  • Authors:
    • Panpan Liu
    • Shuangquan Yan
    • Mayun Chen
    • Ali Chen
    • Dan Yao
    • Xiaomei Xu
    • Xueding Cai
    • Liangxing Wang
    • Xiaoying Huang
  • View Affiliations / Copyright

    Affiliations: Intensive Care Unit, Ningbo Medical Treatment Center Lihuili Hospital, Ningbo, Zhejiang 315040, P.R. China, Division of Respiratory Medicine, Taizhou Enze Medical Center Luqiao Hospital, Taizhou, Zhejiang 318050, P.R. China, Division of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University and Key Laboratory of Heart and Lung, Wenzhou, Zhejiang 325035, P.R. China
    Copyright: © Liu et al. This is an open access article distributed under the terms of Creative Commons Attribution License [CC BY_NC 3.0].
  • Pages: 901-908
    |
    Published online on: February 25, 2015
       https://doi.org/10.3892/ijmm.2015.2110
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Abstract

The synthesis and accumulation of collagen play an important role in the formation and progression of hypoxic pulmonary hypertension. Baicalin has been reported to prevent bleomycin-induced pulmonary fibrosis. However, the role of baicalin in the treatment of pulmonary hypertension remains unknown. A disintegrin and metalloprotease with thrombospondin type-1 motif (ADAMTS-1) is a secreted enzyme that acts on a wide variety of extracellular matrix (ECM) substrates associated with vascular diseases. In this study, we aimed to investigate the effects of baicalin on the synthesis of collagen I in rats with pulmonary hypertension induced by hypoxia and the changes in ADAMTS-1 expression. A total of 24 Sprague Dawley rats were randomly assigned to 3 groups as follows: the control group (C), the hypoxia group (H) and the hypoxia + baicalin group (B). The rats in groups H and B were kept in a normobaric hypoxic chamber for 4 weeks, and the rats in group C were exposed to room air. We measured the hemodynamic indexes, including mean pulmonary artery pressure (mPAP), mean systemic (carotid) artery pressure (mSAP), and then calculated the mass ratio of right ventricle to left ventricle plus septum [RV/(LV + S)] to reflect the extent of right ventricular hypertrophy. We measured the mRNA and protein expression levels of type I collagen, type III collagen and ADAMTS-1 by hybridization in situ, and immunohistochemistry and western blot analysis, respectively. The results revealed that treatment with baicalin significantly reduced pulmonary artery pressure and attenuated the remodeling of the pulmonary artery under hypoxic conditions by increasing the expression of ADAMTS-1, so that the synthesis of type I collagen and its mRNA expression were inhibited. In conclusion, baicalin effectively inhibits the synthesis of collagen I in pulmonary arteries and this is associated with an increase in the expression of ADAMTS-1. Thus, treatment with baicalin may be an effective method for lowering pulmonary artery pressure and preventing pulmonary artery remodeling.
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Copy and paste a formatted citation
Spandidos Publications style
Liu P, Yan S, Chen M, Chen A, Yao D, Xu X, Cai X, Wang L and Huang X: Effects of baicalin on collagen Ι and collagen ΙΙΙ expression in pulmonary arteries of rats with hypoxic pulmonary hypertension. Int J Mol Med 35: 901-908, 2015.
APA
Liu, P., Yan, S., Chen, M., Chen, A., Yao, D., Xu, X. ... Huang, X. (2015). Effects of baicalin on collagen Ι and collagen ΙΙΙ expression in pulmonary arteries of rats with hypoxic pulmonary hypertension. International Journal of Molecular Medicine, 35, 901-908. https://doi.org/10.3892/ijmm.2015.2110
MLA
Liu, P., Yan, S., Chen, M., Chen, A., Yao, D., Xu, X., Cai, X., Wang, L., Huang, X."Effects of baicalin on collagen Ι and collagen ΙΙΙ expression in pulmonary arteries of rats with hypoxic pulmonary hypertension". International Journal of Molecular Medicine 35.4 (2015): 901-908.
Chicago
Liu, P., Yan, S., Chen, M., Chen, A., Yao, D., Xu, X., Cai, X., Wang, L., Huang, X."Effects of baicalin on collagen Ι and collagen ΙΙΙ expression in pulmonary arteries of rats with hypoxic pulmonary hypertension". International Journal of Molecular Medicine 35, no. 4 (2015): 901-908. https://doi.org/10.3892/ijmm.2015.2110
Copy and paste a formatted citation
x
Spandidos Publications style
Liu P, Yan S, Chen M, Chen A, Yao D, Xu X, Cai X, Wang L and Huang X: Effects of baicalin on collagen Ι and collagen ΙΙΙ expression in pulmonary arteries of rats with hypoxic pulmonary hypertension. Int J Mol Med 35: 901-908, 2015.
APA
Liu, P., Yan, S., Chen, M., Chen, A., Yao, D., Xu, X. ... Huang, X. (2015). Effects of baicalin on collagen Ι and collagen ΙΙΙ expression in pulmonary arteries of rats with hypoxic pulmonary hypertension. International Journal of Molecular Medicine, 35, 901-908. https://doi.org/10.3892/ijmm.2015.2110
MLA
Liu, P., Yan, S., Chen, M., Chen, A., Yao, D., Xu, X., Cai, X., Wang, L., Huang, X."Effects of baicalin on collagen Ι and collagen ΙΙΙ expression in pulmonary arteries of rats with hypoxic pulmonary hypertension". International Journal of Molecular Medicine 35.4 (2015): 901-908.
Chicago
Liu, P., Yan, S., Chen, M., Chen, A., Yao, D., Xu, X., Cai, X., Wang, L., Huang, X."Effects of baicalin on collagen Ι and collagen ΙΙΙ expression in pulmonary arteries of rats with hypoxic pulmonary hypertension". International Journal of Molecular Medicine 35, no. 4 (2015): 901-908. https://doi.org/10.3892/ijmm.2015.2110
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