Please use this identifier to cite or link to this item:
|Title:||Tianma modulates blood vessel tonicity||Authors:||Feng, Lin
Sze, Siu Kwan
|Keywords:||DRNTU::Science::Biological sciences::Biochemistry||Issue Date:||2012||Source:||Feng, L., Manavalan, A., Mishra, M., Sze, S. K., Hu, J. M., & Heese, K. (2012). Tianma modulates blood vessel tonicity. The open biochemistry journal, 6, 56-65.||Series/Report no.:||The open biochemistry journal||Abstract:||Tianma is a traditional Chinese medicine (TCM) often used for the treatment of hypertension and heart diseases. To elucidate the function of tianma at the molecular level, we investigated the effect of tianma on vascular functions and aortic protein metabolism. We found that long-term treatment with tianma (~2.5g/kg/day for three months) in one-year-old rats could enhance acetylcholine (ACh)-induced vasorelaxation in endothelium-intact thoracic aortic rings against both KCl (80 mM)- and phenylephrine (PE)-induced contraction. By using the iTRAQ (isobaric tag for relative and absolute quantification) technique, we confirmed from the functional data at the proteome level that tianma treatment down-regulated the expressions of contractile proteins (e.g. Acta2) and other related structural proteins (e.g. desmin), and up-regulated the expressions of extracellular matrix (ECM) glycoproteins (e.g. Fbln5) and anti-thrombotic proteins (e.g. Anxa2) in aortic tissue. By inductive reasoning, tianma could perform its vasodilatory effect not only by inhibiting vascular smooth muscle contraction, but also by enhancing blood vessel elasticity and stabilizing the arterial structure. Thus, tianma might become a novel therapeutic herbal medicine for cardiovascular diseases by regulating the aortic proteome metabolism.||URI:||https://hdl.handle.net/10356/99178
|ISSN:||1874-091X||DOI:||http://dx.doi.org/10.2174/1874091X01206010056||Fulltext Permission:||none||Fulltext Availability:||No Fulltext|
|Appears in Collections:||SBS Journal Articles|
Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.