TITLE

Sonodynamic Therapy Inhibits Fibrogenesis in Rat Cardiac Fibroblasts Induced by TGF-β1

AUTHOR(S)
Yuanyuan Guo; Zengxiang Dong; Yuanqi Shi; Wei Wang; Lu Wang; Jing Sun; Xin Sun; Zhen Tian; Jianting Yao; Zhitao Li; Jiali Cheng; Ye Tian
PUB. DATE
December 2016
SOURCE
Cellular Physiology & Biochemistry (Karger AG);Dec2016, Vol. 40 Issue 5, p579
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background/Aims: Sonodynamic therapy (SDT) is a localized ultrasound-activated therapy for atherosclerosis when combined with a sonosensitizer, 5-aminolevulinic acid (ALA), but whether it can prevent cardiac fibrosis has not been studied. In the present study, we evaluated the effects SDT on fibrogenesis in rat cardiac fibroblasts. Methods: The primary cardiac fibroblasts were isolated from rats, and induced to fibrogenesis with TGF-β1. With this in vitro model, we tested the preventive effects of SDT on fibrogenesis and further the underlying mechanism. Results: TGF-β1 stimulation up-regulated α-SMA and COLI/III protein levels in cardiac fibroblasts, and enhanced the progression of cells from the G0/G1 phase to the S phase. SDT inhibited the TGF-β1 mediated cell proliferation and decreased the levels of α-SMA and COLI/III by activating AKT/GSK3β pathway and blocking TGF-β1/SMAD3 signaling. Conclusion: Our studies demonstrate an antifibrotic effect of SDT in rat cardiac fibroblasts, suggesting that SDT may intervene cardiac fibrogenesis by regulating myocardial fibrotic remodeling.
ACCESSION #
123445143

 

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