Article Publish Status: FREE
Abstract Title:

Effect of paeoniflorin on cardiac remodeling in chronic heart failure rats through the transforming growth factorβ1/Smad signaling pathway.

Abstract Source:

Cardiovasc Diagn Ther. 2019 Jun ;9(3):272-280. PMID: 31275817

Abstract Author(s):

Mao Liu, Jiao Ai, Jie Feng, Jiankang Zheng, Kai Tang, Zhuang Shuai, Jingxi Yang

Article Affiliation:

Mao Liu


Background: Cardiac remodeling is an important mechanism for the occurrence and development of chronic heart failure (CHF). Paeoniflorin (Pae) is the main active ingredient of Chinese herbaceous peony and has novel anti-inflammatory effect. This study was conducted to assess the effects and mechanisms of Pae on cardiac remodeling in CHF rats.

Methods: A cardiac remodeling rat model was induced by isoprenaline (Iso). Pae (20µg/kg/d) was administrated to CHF rats for six weeks. Cardiac ultrasound was used to assess the structure and function of CHF rats. Collagen volume fraction (CVF) and perivascular collagen volume area of myocardial tissues were calculated. With real-time polymerase chain reaction and Western blot,the protein and mRNA levels of transforming growth factor β1 (TGF-β1) and Smad3 were detected.

Results: Compared to Iso group, Pae can alleviate cardiac remodeling and improve cardiac function in CHF rats. The levels of CVF and perivascular collagen volume area reduced in Pae group (P<0.05). The expression of TGF-β1 and Smad3 protein decreased in Pae and Cap group (P<0.05). Further, the expression of TGF-β1 and Smad3 mRNA also decreased markedly in the Pae group (P<0.05).

Conclusions: Pae could attenuate cardiac remodeling and improve cardiac function in CHF rats. The potential mechanism for the cardioprotective effect of Pae may be highly associated with the down-regulating of TGF-β1/Smad signaling pathway.

Study Type : Animal Study
Additional Links
Pharmacological Actions : Cardioprotective : CK(5377) : AC(1675)

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