期刊
BIOLOGICAL & PHARMACEUTICAL BULLETIN
卷 37, 期 6, 页码 961-967出版社
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/bpb.b13-00921
关键词
Danshensu; beta-adrenergic receptor; cardiac fibrosis; p38 MAPK; reactive oxygen specy
资金
- National Basic Research Program of China [2011CB503903]
- National Natural Science Foundation of China [81030001, 81070078, 81270157]
- Beijing Municipal Natural Science Foundation [7102158]
- Changjiang Scholars and Innovative Research Team in University [IRT1174]
Danshensu, the effective ingredient of the plant Salvia miltiorrhiza (Danshen), has been widely used for treatment of cardiovascular diseases. Cardiac fibrosis is an important process in pathological cardiac remodeling and leads to heart failure. We investigated the effect of Danshensu on beta-adrenergic receptor (beta-AR)-mediated cardiac fibrosis and the involved signaling transduction. Danshensu inhibited cardiofibroblast proliferation and collagen I synthesis induced by isoproterenol (ISO), a selective beta-AR agonist. Phosphorylation of p38 mitogen-activated protein kinase (MAPK), which mediates ISO-induced cardiac fibrosis, was negatively regulated in this process. The negative regulation depended on the ISO inhibition of reactive oxygen species (ROS) production. Taken together, Danshensu may inhibit beta-AR-mediated cardiac fibrosis by negative regulation of ROS-p38 MAPK signaling.
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