Abstract Title:

Gallic acid attenuates pulmonary fibrosis in a mouse model of transverse aortic contraction-induced heart failure.

Abstract Source:

Vascul Pharmacol. 2017 Dec ;99:74-82. Epub 2017 Oct 31. PMID: 29097327

Abstract Author(s):

Li Jin, Zhe Hao Piao, Simei Sun, Bin Liu, Yuhee Ryu, Sin Young Choi, Gwi Ran Kim, Hyung-Seok Kim, Hae Jin Kee, Myung Ho Jeong

Article Affiliation:

Li Jin


Gallic acid, a trihydroxybenzoic acid found in tea and other plants, attenuates cardiac hypertrophy, fibrosis, and hypertension in animal models. However, the role of gallic acid in heart failure remains unknown. In this study, we show that gallic acid administration prevents heart failure-induced pulmonary fibrosis. Heart failure induced in mice, 8weeks after transverse aortic constriction (TAC) surgery, was confirmed by echocardiography. Treatment for 2weeks with gallic acid but not furosemide prevented cardiac dysfunction in mice. Gallic acid significantly inhibited TAC-induced pathological changes in the lungs, such as increased lung mass, pulmonary fibrosis, and damaged alveolar morphology. It also decreased the expression of fibrosis-related genes, including collagen types I and III, fibronectin, connective tissue growth factor (CTGF), and phosphorylated Smad3. Further, it inhibited the expression of epithelial-mesenchymal transition (EMT)-related genes, such as N-cadherin, vimentin, E-cadherin, SNAI1, and TWIST1. We suggest that gallic acid has therapeutic potential for the treatment of heart failure-induced pulmonary fibrosis.

Study Type : Animal Study

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